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cpu/gd32v: Initial include of the GD32VF103 device

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This adds support for the gd32v class devices from Gigadevice. The
gd32vf103 contains an 108 MHz RISC-V core with similar peripherals as
the stm32f1 devices

Co-authored-by: Benjamin Valentin <benjamin.valentin@ml-pa.com>
This commit is contained in:
Koen Zandberg 2021-02-17 13:47:50 +01:00 committed by Benjamin Valentin
parent 48aa533639
commit 3d470b0c12
42 changed files with 29710 additions and 1 deletions
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38
cpu/gd32v/Kconfig Normal file
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# Copyright (c) 2020 Inria
#
# This file is subject to the terms and conditions of the GNU Lesser
# General Public License v2.1. See the file LICENSE in the top level
# directory for more details.
#
config CPU_FAM_GD32V
bool
select CPU_CORE_RV32I
select HAS_CPU_GD32V
select HAS_PERIPH_CLIC
select HAS_PERIPH_GPIO
select HAS_PERIPH_FLASHPAGE
select HAS_PERIPH_FLASHPAGE_PAGEWISE
select HAS_PERIPH_PM
select HAS_PERIPH_WDT
config CPU_MODEL_GD32VF103VBT6
bool
select CPU_FAM_GD32V
## Definition of specific features
config HAS_CPU_GD32V
bool
help
Indicates that a 'gd32v' cpu is being used.
config CPU_FAM
default "gd32v" if CPU_FAM_GD32V
config CPU_MODEL
default "gd32vf103vbt6" if CPU_MODEL_GD32VF103VBT6
config CPU
default "gd32v" if CPU_FAM_GD32V
source "$(RIOTCPU)/riscv_common/Kconfig"

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# define the module that is built
MODULE = cpu
DIRS += periph $(RIOTCPU)/riscv_common
include $(RIOTBASE)/Makefile.base

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FEATURES_REQUIRED += periph_clic
FEATURES_REQUIRED_ANY += newlib|picolibc
ifneq (,$(filter newlib,$(USEMODULE)))
USEMODULE += newlib_nano
USEMODULE += newlib_syscalls_default
endif
USEMODULE += periph
USEMODULE += riscv_common
ifneq (,$(filter periph_pm,$(USEMODULE)))
FEATURES_REQUIRED += periph_wdt
endif
include $(RIOTCPU)/riscv_common/Makefile.dep

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cpu/gd32v/Makefile.features Normal file
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FEATURES_PROVIDED += periph_clic
FEATURES_PROVIDED += periph_gpio
FEATURES_PROVIDED += periph_timer
FEATURES_PROVIDED += periph_wdt
FEATURES_PROVIDED += periph_pm
FEATURES_PROVIDED += periph_flashpage
FEATURES_PROVIDED += periph_flashpage_pagewise
include $(RIOTCPU)/riscv_common/Makefile.features

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RAM_START_ADDR ?= 0x20000000
RAM_LEN ?= 32K
ROM_START_ADDR ?= 0x08000000
ROM_LEN ?= 128K
LINKER_SCRIPT ?= riscv.ld
include $(RIOTCPU)/riscv_common/Makefile.include

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cpu/gd32v/clock.c Normal file
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/*
* Copyright (C) 2020 Koen Zandberg <koen@bergzand.net>
*
* This file is subject to the terms and conditions of the GNU Lesser General
* Public License v2.1. See the file LICENSE in the top level directory for more
* details.
*/
/**
* @ingroup cpu_gd32v
* @{
*
* @file
* @brief GD32V Clock initialization
*
* @author Koen Zandberg <koen@bergzand.net>
*
* Heavily based on the stm32f1 connectivity line clock initialization
*/
#include "kernel_defines.h"
#include "irq.h"
#include "cpu.h"
#include "periph_conf.h"
#define CLOCK_AHB CLOCK_CORECLOCK /* Equal to the CPU clock */
#define CLOCK_APB1 CLOCK_AHB/2 /* Half AHB clock */
#define CLOCK_APB2 CLOCK_AHB /* Equal to the AHB clock */
#define CLOCK_AHB_DIV 0 /* Max speed at 108 MHz */
#define CLOCK_APB1_DIV (0x04 | 0) /* Max speed at 54 MHz */
#define CLOCK_APB2_DIV (0x0 | 0) /* Max speed at 108 MHz */
#define CLOCK_AHB_DIV_CONF (CLOCK_AHB_DIV << RCU_CFG0_AHBPSC_Pos)
#define CLOCK_APB1_DIV_CONF (CLOCK_APB1_DIV << RCU_CFG0_APB1PSC_Pos)
#define CLOCK_APB2_DIV_CONF (CLOCK_APB2_DIV << RCU_CFG0_APB2PSC_Pos)
#define PREDV0_CONF 1 /* Divide by 2 */
#define PLL_MULT_FACTOR (CLOCK_CORECLOCK / \
(CLOCK_HXTAL / (PREDV0_CONF + 1)) - 1)
#define RCU_CFG0_SCS_IRC8 (0 << RCU_CFG0_SCS_Pos)
#define RCU_CFG0_SCS_HXTAL (1 << RCU_CFG0_SCS_Pos)
#define RCU_CFG0_SCS_PLL (2 << RCU_CFG0_SCS_Pos)
#define ENABLE_DEBUG 0
#include "debug.h"
void periph_clk_en(bus_t bus, uint32_t mask)
{
switch (bus) {
case AHB:
cpu_reg_enable_bits(&RCU->AHBEN, mask);
break;
case APB1:
cpu_reg_enable_bits(&RCU->APB1EN, mask);
break;
case APB2:
cpu_reg_enable_bits(&RCU->APB2EN, mask);
break;
default:
DEBUG("unsupported bus %d\n", (int)bus);
break;
}
}
void periph_clk_dis(bus_t bus, uint32_t mask)
{
switch (bus) {
case AHB:
cpu_reg_disable_bits(&RCU->AHBEN, mask);
break;
case APB1:
cpu_reg_disable_bits(&RCU->APB1EN, mask);
break;
case APB2:
cpu_reg_disable_bits(&RCU->APB2EN, mask);
break;
default:
DEBUG("unsupported bus %d\n", (int)bus);
break;
}
}
uint32_t periph_apb_clk(bus_t bus)
{
switch (bus) {
case AHB:
return CLOCK_AHB;
case APB1:
return CLOCK_APB1;
case APB2:
return CLOCK_APB2;
}
return 0;
}
void gd32v_enable_irc8(void)
{
cpu_reg_enable_bits(&RCU->CTL, RCU_CTL_IRC8MEN_Msk);
while (!(RCU->CTL & RCU_CTL_IRC8MSTB_Msk)) {}
}
void gd32v_disable_irc8(void)
{
RCU->CTL &= ~(RCU_CTL_IRC8MEN_Msk);
}
void gd32vf103_clock_init(void)
{
unsigned is = irq_disable();
/* enable HSI clock for the duration of initialization */
gd32v_enable_irc8();
/* use HSI as system clock while we do any further configuration and
* configure the AHB and APB clock dividers as configure by the board */
RCU->CFG0 = (RCU_CFG0_SCS_IRC8 | CLOCK_AHB_DIV_CONF |
CLOCK_APB1_DIV_CONF | CLOCK_APB2_DIV_CONF);
while ((RCU->CFG0 & RCU_CFG0_SCSS_Msk) !=
(RCU_CFG0_SCS_IRC8 << RCU_CFG0_SCSS_Pos)) {}
/* disable all active clocks except IRC8 -> resets the clk configuration */
RCU->CTL = (RCU_CTL_IRC8MEN_Msk);
if (IS_ACTIVE(CONFIG_BOARD_HAS_HXTAL)) {
cpu_reg_enable_bits(&RCU->CTL, RCU_CTL_HXTALEN_Msk);
while (!(RCU->CTL & RCU_CTL_HXTALSTB_Msk)) {}
}
RCU->CFG1 = (PREDV0_CONF);
RCU->CFG0 |= (CLOCK_HXTAL << RCU_CFG0_PLLSEL_Pos) |
((PLL_MULT_FACTOR & 0xf) << RCU_CFG0_PLLMF_3_0_Pos) |
((PLL_MULT_FACTOR & 0x10) << (RCU_CFG0_PLLMF_4_Pos - 4));
RCU->CTL |= (RCU_CTL_PLLEN_Msk);
/* Wait for PLL to stabilize */
while ((RCU->CTL & RCU_CTL_PLLSTB_Msk) != RCU_CTL_PLLSTB_Msk) {}
/* Switch clock input */
RCU->CFG0 |= RCU_CFG0_SCS_PLL;
RCU->AHBEN &= ~RCU_AHBEN_FMCSPEN_Msk;
while ((RCU->CFG0 & RCU_CFG0_SCSS_Msk) !=
(RCU_CFG0_SCS_PLL << RCU_CFG0_SCSS_Pos)) {}
gd32v_disable_irc8();
irq_restore(is);
}

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/*
* Copyright (C) 2020 Koen Zandberg <koen@bergzand.net>
*
* This file is subject to the terms and conditions of the GNU Lesser General
* Public License v2.1. See the file LICENSE in the top level directory for more
* details.
*/
/**
* @ingroup cpu_gd32v
* @{
*
* @file
* @brief GD32V CPU initialization
*
* @author Koen Zandberg <koen@bergzand.net>
*/
#include "stdio_uart.h"
#include "periph/init.h"
#include "irq_arch.h"
#include "periph_cpu.h"
#include "periph_conf.h"
#define ENABLE_DEBUG 0
#include "debug.h"
extern void __libc_init_array(void);
void cpu_init(void)
{
gd32vf103_clock_init();
/* Common RISC-V initialization */
riscv_init();
stdio_init();
periph_init();
}

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cpu/gd32v/doc.txt Normal file
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/**
* @defgroup cpu_gd32v GD32V
* @ingroup cpu
* @brief GigaDevice GD32 RISC-V Microcontrollers
*
*/

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cpu/gd32v/include/cpu_conf.h Normal file
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/*
* Copyright (C) 2020 Koen Zandberg <koen@bergzand.net>
*
* This file is subject to the terms and conditions of the GNU Lesser General
* Public License v2.1. See the file LICENSE in the top level directory for more
* details.
*/
/**
* @ingroup cpu_gd32v
* @{
*
* @file
* @brief CPU specific configuration options
*
* @author Koen Zandberg <koen@bergzand.net>
*/
#include "vendor/gd32vf103_core.h"
#include "cpu_conf_common.h"
#ifndef CPU_CONF_H
#define CPU_CONF_H
#ifdef __cplusplus
extern "C" {
#endif
#define CLIC_NUM_INTERRUPTS (ECLIC_NUM_INTERRUPTS)
#define CLIC_BASE_ADDR (ECLIC_CTRL_ADDR)
#define CPU_DEFAULT_IRQ_PRIO (0xFF)
/**
* @brief The gd32v doesn't use the MIE CSR, but uses the CLIC instead
*/
#define HAVE_CSR_MIE (0)
/**
* @name Flashpage settings
* @{
*/
#define FLASHPAGE_SIZE (1024U)
#define FLASHPAGE_NUMOF (128U)
#define FLASHPAGE_WRITE_BLOCK_SIZE (2U)
#define FLASHPAGE_WRITE_BLOCK_ALIGNMENT (4U)
#define CPU_FLASH_BASE 0x08000000
/** @} */
#ifdef __cplusplus
}
#endif
#endif /* CPU_CONF_H */
/** @} */

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/*
* Copyright (C) 2020 Koen Zandberg <koen@bergzand.net>
*
* This file is subject to the terms and conditions of the GNU Lesser General
* Public License v2.1. See the file LICENSE in the top level directory for more
* details.
*/
/**
* @ingroup cpu_gd32v
* @{
*
* @file
* @brief CPU specific definitions for internal peripheral handling
*
* @author Koen Zandberg <koen@bergzand.net>
*/
#ifndef PERIPH_CPU_H
#define PERIPH_CPU_H
#include <inttypes.h>
#include "cpu.h"
#include "clic.h"
#include "kernel_defines.h"
#ifdef __cplusplus
extern "C" {
#endif
/**
* @name Power management configuration
* @{
*/
#define PROVIDES_PM_SET_LOWEST
/** @} */
/**
* @brief On-Chip buses
*/
typedef enum {
AHB, /**< Advanced High-performance Bus */
APB1, /**< Advanced Peripheral Bus 1 */
APB2, /**< Advanced Peripheral Bus 2 */
} bus_t;
/**
* @brief Available GPIO ports
*/
enum {
#ifdef GPIOA
PORT_A = 0, /**< port A */
#endif
#ifdef GPIOB
PORT_B = 1, /**< port B */
#endif
#ifdef GPIOC
PORT_C = 2, /**< port C */
#endif
#ifdef GPIOD
PORT_D = 3, /**< port D */
#endif
#ifdef GPIOE
PORT_E = 4, /**< port E */
#endif
};
#ifndef DOXYGEN
/**
* @brief Overwrite the default gpio_t type definition
* @{
*/
#define HAVE_GPIO_T
typedef uint32_t gpio_t;
/** @} */
/**
* @brief Definition of a fitting UNDEF value
*/
#define GPIO_UNDEF (0xffffffff)
/**
* @brief Define a CPU specific GPIO pin generator macro
*/
#define GPIO_PIN(x, y) ((GPIOA_BASE + (x << 10)) | y)
/**
* @brief Generate GPIO mode bitfields
*
* We use 5 bit to encode the mode:
* - bit 0+1: pin mode (input / output)
* - bit 2+3: pull resistor configuration
* - bit 4: output type (0: push-pull, 1: open-drain)
*/
#define GPIO_MODE(io, pr, ot) ((io << 0) | (pr << 2) | (ot << 4))
/**
* @brief Override GPIO mode options
*
* We use 4 bit to encode CNF and MODE.
* @{
*/
#define HAVE_GPIO_MODE_T
typedef enum {
GPIO_IN = GPIO_MODE(0, 1, 0), /**< input w/o pull R */
GPIO_IN_PD = GPIO_MODE(0, 2, 0), /**< input with pull-down */
GPIO_IN_PU = GPIO_MODE(0, 2, 1), /**< input with pull-up */
GPIO_OUT = GPIO_MODE(3, 0, 0), /**< push-pull output */
GPIO_OD = GPIO_MODE(3, 1, 0), /**< open-drain w/o pull R */
GPIO_OD_PU = (0xff) /**< not supported by HW */
} gpio_mode_t;
/** @} */
#endif /* ndef DOXYGEN */
/**
* @brief Override alternative GPIO mode options
*/
typedef enum {
GPIO_AF_OUT_PP = 0xb, /**< alternate function output - push-pull */
GPIO_AF_OUT_OD = 0xf, /**< alternate function output - open-drain */
} gpio_af_t;
/**
* @brief Timer configuration
*/
typedef struct {
TIMER_Type *dev; /**< timer device */
uint32_t max; /**< maximum value to count to (16/32 bit) */
uint32_t rcu_mask; /**< corresponding bit in the RCC register */
uint8_t bus; /**< APBx bus the timer is clock from */
uint8_t irqn; /**< global IRQ channel */
} timer_conf_t;
/**
* @brief Structure for UART configuration data
*/
typedef struct {
USART_Type *dev; /**< UART device base register address */
uint32_t rcu_mask; /**< bit in clock enable register */
gpio_t rx_pin; /**< RX pin */
gpio_t tx_pin; /**< TX pin */
uint8_t bus; /**< APB bus */
uint8_t irqn; /**< IRQ channel */
} uart_conf_t;
/**
* @brief UART interrupt priority
*/
#define UART_ISR_PRIO (2)
/**
* @name This CPU makes use of the following shared SPI functions
* @{
*/
#define PERIPH_SPI_NEEDS_TRANSFER_BYTE 1
#define PERIPH_SPI_NEEDS_TRANSFER_REG 1
#define PERIPH_SPI_NEEDS_TRANSFER_REGS 1
/** @} */
/**
* @brief Structure for SPI configuration data
*/
typedef struct {
uint32_t addr; /**< SPI control register address */
gpio_t mosi; /**< MOSI pin */
gpio_t miso; /**< MISO pin */
gpio_t sclk; /**< SCLK pin */
} spi_conf_t;
/**
* @name Use the shared I2C functions
* @{
*/
/** Use read reg function from periph common */
#define PERIPH_I2C_NEED_READ_REG
/** Use write reg function from periph common */
#define PERIPH_I2C_NEED_WRITE_REG
/** Use read regs function from periph common */
#define PERIPH_I2C_NEED_READ_REGS
/** Use write regs function from periph common */
#define PERIPH_I2C_NEED_WRITE_REGS
/** @} */
#ifndef DOXYGEN
/**
* @brief Default mapping of I2C bus speed values
* @{
*/
#define HAVE_I2C_SPEED_T
typedef enum {
I2C_SPEED_NORMAL, /**< normal mode: ~100kbit/s */
I2C_SPEED_FAST, /**< fast mode: ~400kbit/s */
} i2c_speed_t;
/** @} */
#endif /* ndef DOXYGEN */
/**
* @brief I2C configuration options
*/
typedef struct {
uint32_t addr; /**< device base address */
gpio_t scl; /**< SCL pin */
gpio_t sda; /**< SDA pin */
i2c_speed_t speed; /**< I2C speed */
} i2c_conf_t;
/**
* @name WDT upper and lower bound times in ms
* @{
*/
#define NWDT_TIME_LOWER_LIMIT (1)
/* Ensure the internal "count" variable stays within the uint32 bounds.
This variable corresponds to max_time * RTC_FREQ / MS_PER_SEC. On fe310,
RTC_FREQ is 32768Hz. The 15 right shift is equivalent to a division by RTC_FREQ.
*/
#define NWDT_TIME_UPPER_LIMIT ((UINT32_MAX >> 15) * MS_PER_SEC + 1)
/** @} */
/**
* @brief WDT interrupt priority: use highest priority
*/
#define WDT_INTR_PRIORITY (PLIC_NUM_PRIORITIES)
/**
* @brief No brakes on the WDT train
*/
#define WDT_HAS_STOP (0)
/**
* @name RTT/RTC configuration
*
* @{
*/
#define RTT_INTR_PRIORITY (2)
#define RTT_MAX_VALUE (0xffffffff)
#define RTT_CLOCK_FREQUENCY (32768U) /* in Hz */
#define RTT_MAX_FREQUENCY (RTT_CLOCK_FREQUENCY) /* in Hz */
#define RTT_MIN_FREQUENCY (1U) /* in Hz */
#ifndef RTT_FREQUENCY
#define RTT_FREQUENCY (RTT_MAX_FREQUENCY) /* in Hz */
#endif
/**
* @brief Enable the given peripheral clock
*
* @param[in] bus bus the peripheral is connected to
* @param[in] mask bit in the RCU enable register
*/
void periph_clk_en(bus_t bus, uint32_t mask);
/**
* @brief Disable the given peripheral clock
*
* @param[in] bus bus the peripheral is connected to
* @param[in] mask bit in the RCU enable register
*/
void periph_clk_dis(bus_t bus, uint32_t mask);
/**
* @brief Get the actual bus clock frequency for the APB buses
*
* @param[in] bus target APBx bus
*
* @return bus clock frequency in Hz
*/
uint32_t periph_apb_clk(bus_t bus);
/**
* @brief Configure the alternate function for the given pin
*
* @param[in] pin pin to configure
* @param[in] af alternate function to use
*/
void gpio_init_af(gpio_t pin, gpio_af_t af);
void gd32vf103_clock_init(void);
void gd32v_enable_irc8(void);
void gd32v_disable_irc8(void);
/** @} */
#ifdef __cplusplus
}
#endif
#endif /* PERIPH_CPU_H */
/** @} */

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/*!
\file gd32vf103.h
\brief general definitions for GD32VF103
\version 2019-06-05, V1.0.0, firmware for GD32VF103
*/
/*
Copyright (c) 2019, GigaDevice Semiconductor Inc.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
3. Neither the name of the copyright holder nor the names of its contributors
may be used to endorse or promote products derived from this software without
specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
OF SUCH DAMAGE.
*/
#ifndef GD32VF103_H
#define GD32VF103_H
#ifdef cplusplus
extern "C" {
#endif
/* IO definitions (access restrictions to peripheral registers) */
/**
<strong>IO Type Qualifiers</strong> are used
\li to specify the access to peripheral variables.
\li for automatic generation of peripheral register debug information.
*/
#ifdef __cplusplus
#define __I volatile /*!< Defines 'read only' permissions */
#else
#define __I volatile const /*!< Defines 'read only' permissions */
#endif
#define __O volatile /*!< Defines 'write only' permissions */
#define __IO volatile /*!< Defines 'read / write' permissions */
#include "vendor/gd32vf103_periph.h"
/* define interrupt number */
typedef enum IRQn
{
CLIC_INT_RESERVED = 0, /*!< RISC-V reserved */
CLIC_INT_SFT = 3, /*!< Software interrupt */
CLIC_INT_TMR = 7, /*!< CPU Timer interrupt */
CLIC_INT_BWEI = 17, /*!< Bus Error interrupt */
CLIC_INT_PMOVI = 18, /*!< Performance Monitor */
/* interruput numbers */
WWDGT_IRQn = 19, /*!< window watchDog timer interrupt */
LVD_IRQn = 20, /*!< LVD through EXTI line detect interrupt */
TAMPER_IRQn = 21, /*!< tamper through EXTI line detect */
RTC_IRQn = 22, /*!< RTC alarm interrupt */
FMC_IRQn = 23, /*!< FMC interrupt */
RCU_CTC_IRQn = 24, /*!< RCU and CTC interrupt */
EXTI0_IRQn = 25, /*!< EXTI line 0 interrupts */
EXTI1_IRQn = 26, /*!< EXTI line 1 interrupts */
EXTI2_IRQn = 27, /*!< EXTI line 2 interrupts */
EXTI3_IRQn = 28, /*!< EXTI line 3 interrupts */
EXTI4_IRQn = 29, /*!< EXTI line 4 interrupts */
DMA0_Channel0_IRQn = 30, /*!< DMA0 channel0 interrupt */
DMA0_Channel1_IRQn = 31, /*!< DMA0 channel1 interrupt */
DMA0_Channel2_IRQn = 32, /*!< DMA0 channel2 interrupt */
DMA0_Channel3_IRQn = 33, /*!< DMA0 channel3 interrupt */
DMA0_Channel4_IRQn = 34, /*!< DMA0 channel4 interrupt */
DMA0_Channel5_IRQn = 35, /*!< DMA0 channel5 interrupt */
DMA0_Channel6_IRQn = 36, /*!< DMA0 channel6 interrupt */
ADC0_1_IRQn = 37, /*!< ADC0 and ADC1 interrupt */
CAN0_TX_IRQn = 38, /*!< CAN0 TX interrupts */
CAN0_RX0_IRQn = 39, /*!< CAN0 RX0 interrupts */
CAN0_RX1_IRQn = 40, /*!< CAN0 RX1 interrupts */
CAN0_EWMC_IRQn = 41, /*!< CAN0 EWMC interrupts */
EXTI5_9_IRQn = 42, /*!< EXTI[9:5] interrupts */
TIMER0_BRK_IRQn = 43, /*!< TIMER0 break interrupts */
TIMER0_UP_IRQn = 44, /*!< TIMER0 update interrupts */
TIMER0_TRG_CMT_IRQn = 45, /*!< TIMER0 trigger and commutation interrupts */
TIMER0_Channel_IRQn = 46, /*!< TIMER0 channel capture compare interrupts */
TIMER1_IRQn = 47, /*!< TIMER1 interrupt */
TIMER2_IRQn = 48, /*!< TIMER2 interrupt */
TIMER3_IRQn = 49, /*!< TIMER3 interrupts */
I2C0_EV_IRQn = 50, /*!< I2C0 event interrupt */
I2C0_ER_IRQn = 51, /*!< I2C0 error interrupt */
I2C1_EV_IRQn = 52, /*!< I2C1 event interrupt */
I2C1_ER_IRQn = 53, /*!< I2C1 error interrupt */
SPI0_IRQn = 54, /*!< SPI0 interrupt */
SPI1_IRQn = 55, /*!< SPI1 interrupt */
USART0_IRQn = 56, /*!< USART0 interrupt */
USART1_IRQn = 57, /*!< USART1 interrupt */
USART2_IRQn = 58, /*!< USART2 interrupt */
EXTI10_15_IRQn = 59, /*!< EXTI[15:10] interrupts */
RTC_ALARM_IRQn = 60, /*!< RTC alarm interrupt EXTI */
USBFS_WKUP_IRQn = 61, /*!< USBFS wakeup interrupt */
EXMC_IRQn = 67, /*!< EXMC global interrupt */
TIMER4_IRQn = 69, /*!< TIMER4 global interrupt */
SPI2_IRQn = 70, /*!< SPI2 global interrupt */
UART3_IRQn = 71, /*!< UART3 global interrupt */
UART4_IRQn = 72, /*!< UART4 global interrupt */
TIMER5_IRQn = 73, /*!< TIMER5 global interrupt */
TIMER6_IRQn = 74, /*!< TIMER6 global interrupt */
DMA1_Channel0_IRQn = 75, /*!< DMA1 channel0 global interrupt */
DMA1_Channel1_IRQn = 76, /*!< DMA1 channel1 global interrupt */
DMA1_Channel2_IRQn = 77, /*!< DMA1 channel2 global interrupt */
DMA1_Channel3_IRQn = 78, /*!< DMA1 channel3 global interrupt */
DMA1_Channel4_IRQn = 79, /*!< DMA1 channel3 global interrupt */
CAN1_TX_IRQn = 82, /*!< CAN1 TX interrupt */
CAN1_RX0_IRQn = 83, /*!< CAN1 RX0 interrupt */
CAN1_RX1_IRQn = 84, /*!< CAN1 RX1 interrupt */
CAN1_EWMC_IRQn = 85, /*!< CAN1 EWMC interrupt */
USBFS_IRQn = 86, /*!< USBFS global interrupt */
ECLIC_NUM_INTERRUPTS
} IRQn_Type;
/* includes */
#include <stdint.h>
/* bit operations */
#define REG32(addr) (*(volatile uint32_t *)(uint32_t)(addr))
#define REG16(addr) (*(volatile uint16_t *)(uint32_t)(addr))
#define REG8(addr) (*(volatile uint8_t *)(uint32_t)(addr))
#define BIT(x) ((uint32_t)((uint32_t)0x01U<<(x)))
#define BITS(start, end) ((0xFFFFFFFFUL << (start)) & (0xFFFFFFFFUL >> (31U - (uint32_t)(end))))
#define GET_BITS(regval, start, end) (((regval) & BITS((start),(end))) >> (start))
#define _REG32(p, i) (*(volatile uint32_t *) ((p) + (i)))
/* main flash and SRAM memory map */
#define FLASH_BASE ((uint32_t)0x08000000U) /*!< main FLASH base address */
#define SRAM_BASE ((uint32_t)0x20000000U) /*!< SRAM0 base address */
#define OB_BASE ((uint32_t)0x1FFFF800U) /*!< OB base address */
#define DBG_BASE ((uint32_t)0xE0042000U) /*!< DBG base address */
#define EXMC_BASE ((uint32_t)0xA0000000U) /*!< EXMC register base address */
/* peripheral memory map */
#define APB1_BUS_BASE ((uint32_t)0x40000000U) /*!< apb1 base address */
#define APB2_BUS_BASE ((uint32_t)0x40010000U) /*!< apb2 base address */
#define AHB1_BUS_BASE ((uint32_t)0x40018000U) /*!< ahb1 base address */
#define AHB3_BUS_BASE ((uint32_t)0x60000000U) /*!< ahb3 base address */
/* advanced peripheral bus 1 memory map */
#define TIMER_BASE (APB1_BUS_BASE + 0x00000000U) /*!< TIMER base address */
#define RTC_BASE (APB1_BUS_BASE + 0x00002800U) /*!< RTC base address */
#define WWDGT_BASE (APB1_BUS_BASE + 0x00002C00U) /*!< WWDGT base address */
#define FWDGT_BASE (APB1_BUS_BASE + 0x00003000U) /*!< FWDGT base address */
#define SPI_BASE (APB1_BUS_BASE + 0x00003800U) /*!< SPI base address */
#define USART_BASE (APB1_BUS_BASE + 0x00004400U) /*!< USART base address */
#define I2C_BASE (APB1_BUS_BASE + 0x00005400U) /*!< I2C base address */
#define CAN_BASE (APB1_BUS_BASE + 0x00006400U) /*!< CAN base address */
#define BKP_BASE (APB1_BUS_BASE + 0x00006C00U) /*!< BKP base address */
#define PMU_BASE (APB1_BUS_BASE + 0x00007000U) /*!< PMU base address */
#define DAC_BASE (APB1_BUS_BASE + 0x00007400U) /*!< DAC base address */
/* advanced peripheral bus 2 memory map */
#define AFIO_BASE (APB2_BUS_BASE + 0x00000000U) /*!< AFIO base address */
#define EXTI_BASE (APB2_BUS_BASE + 0x00000400U) /*!< EXTI base address */
#define GPIO_BASE (APB2_BUS_BASE + 0x00000800U) /*!< GPIO base address */
#define GPIOA_BASE (APB2_BUS_BASE + 0x00000800U) /*!< GPIOA base address */
#define GPIOB_BASE (APB2_BUS_BASE + 0x00000C00U) /*!< GPIOA base address */
#define GPIOC_BASE (APB2_BUS_BASE + 0x00001000U) /*!< GPIOA base address */
#define GPIOD_BASE (APB2_BUS_BASE + 0x00001400U) /*!< GPIOA base address */
#define GPIOE_BASE (APB2_BUS_BASE + 0x00001800U) /*!< GPIOA base address */
#define ADC_BASE (APB2_BUS_BASE + 0x00002400U) /*!< ADC base address */
/* advanced high performance bus 1 memory map */
#define DMA_BASE (AHB1_BUS_BASE + 0x00008000U) /*!< DMA base address */
#define RCU_BASE (AHB1_BUS_BASE + 0x00009000U) /*!< RCU base address */
#define FMC_BASE (AHB1_BUS_BASE + 0x0000A000U) /*!< FMC base address */
#define CRC_BASE (AHB1_BUS_BASE + 0x0000B000U) /*!< CRC base address */
#define USBFS_BASE (AHB1_BUS_BASE + 0x0FFE8000U) /*!< USBFS base address */
#ifdef cplusplus
}
#endif
#endif

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/*!
\file gd32vf103_adc.h
\brief definitions for the ADC
\version 2019-06-05, V1.0.0, firmware for GD32VF103
*/
/*
Copyright (c) 2019, GigaDevice Semiconductor Inc.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
3. Neither the name of the copyright holder nor the names of its contributors
may be used to endorse or promote products derived from this software without
specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
OF SUCH DAMAGE.
*/
#ifndef GD32VF103_ADC_H
#define GD32VF103_ADC_H
#include "gd32vf103.h"
/* ADC definitions */
#define ADC0 ADC_BASE
#define ADC1 (ADC_BASE + 0x400U)
/* registers definitions */
#define ADC_STAT(adcx) REG32((adcx) + 0x00U) /*!< ADC status register */
#define ADC_CTL0(adcx) REG32((adcx) + 0x04U) /*!< ADC control register 0 */
#define ADC_CTL1(adcx) REG32((adcx) + 0x08U) /*!< ADC control register 1 */
#define ADC_SAMPT0(adcx) REG32((adcx) + 0x0CU) /*!< ADC sampling time register 0 */
#define ADC_SAMPT1(adcx) REG32((adcx) + 0x10U) /*!< ADC sampling time register 1 */
#define ADC_IOFF0(adcx) REG32((adcx) + 0x14U) /*!< ADC inserted channel data offset register 0 */
#define ADC_IOFF1(adcx) REG32((adcx) + 0x18U) /*!< ADC inserted channel data offset register 1 */
#define ADC_IOFF2(adcx) REG32((adcx) + 0x1CU) /*!< ADC inserted channel data offset register 2 */
#define ADC_IOFF3(adcx) REG32((adcx) + 0x20U) /*!< ADC inserted channel data offset register 3 */
#define ADC_WDHT(adcx) REG32((adcx) + 0x24U) /*!< ADC watchdog high threshold register */
#define ADC_WDLT(adcx) REG32((adcx) + 0x28U) /*!< ADC watchdog low threshold register */
#define ADC_RSQ0(adcx) REG32((adcx) + 0x2CU) /*!< ADC regular sequence register 0 */
#define ADC_RSQ1(adcx) REG32((adcx) + 0x30U) /*!< ADC regular sequence register 1 */
#define ADC_RSQ2(adcx) REG32((adcx) + 0x34U) /*!< ADC regular sequence register 2 */
#define ADC_ISQ(adcx) REG32((adcx) + 0x38U) /*!< ADC inserted sequence register */
#define ADC_IDATA0(adcx) REG32((adcx) + 0x3CU) /*!< ADC inserted data register 0 */
#define ADC_IDATA1(adcx) REG32((adcx) + 0x40U) /*!< ADC inserted data register 1 */
#define ADC_IDATA2(adcx) REG32((adcx) + 0x44U) /*!< ADC inserted data register 2 */
#define ADC_IDATA3(adcx) REG32((adcx) + 0x48U) /*!< ADC inserted data register 3 */
#define ADC_RDATA(adcx) REG32((adcx) + 0x4CU) /*!< ADC regular data register */
#define ADC_OVSCR(adcx) REG32((adcx) + 0x80U) /*!< ADC oversample control register */
/* bits definitions */
/* ADC_STAT */
#define ADC_STAT_WDE BIT(0) /*!< analog watchdog event flag */
#define ADC_STAT_EOC BIT(1) /*!< end of conversion */
#define ADC_STAT_EOIC BIT(2) /*!< inserted channel end of conversion */
#define ADC_STAT_STIC BIT(3) /*!< inserted channel start flag */
#define ADC_STAT_STRC BIT(4) /*!< regular channel start flag */
/* ADC_CTL0 */
#define ADC_CTL0_WDCHSEL BITS(0,4) /*!< analog watchdog channel select bits */
#define ADC_CTL0_EOCIE BIT(5) /*!< interrupt enable for EOC */
#define ADC_CTL0_WDEIE BIT(6) /*!< analog watchdog interrupt enable */
#define ADC_CTL0_EOICIE BIT(7) /*!< interrupt enable for inserted channels */
#define ADC_CTL0_SM BIT(8) /*!< scan mode */
#define ADC_CTL0_WDSC BIT(9) /*!< when in scan mode, analog watchdog is effective on a single channel */
#define ADC_CTL0_ICA BIT(10) /*!< automatic inserted group conversion */
#define ADC_CTL0_DISRC BIT(11) /*!< discontinuous mode on regular channels */
#define ADC_CTL0_DISIC BIT(12) /*!< discontinuous mode on inserted channels */
#define ADC_CTL0_DISNUM BITS(13,15) /*!< discontinuous mode channel count */
#define ADC_CTL0_SYNCM BITS(16,19) /*!< sync mode selection */
#define ADC_CTL0_IWDEN BIT(22) /*!< analog watchdog enable on inserted channels */
#define ADC_CTL0_RWDEN BIT(23) /*!< analog watchdog enable on regular channels */
/* ADC_CTL1 */
#define ADC_CTL1_ADCON BIT(0) /*!< ADC converter on */
#define ADC_CTL1_CTN BIT(1) /*!< continuous conversion */
#define ADC_CTL1_CLB BIT(2) /*!< ADC calibration */
#define ADC_CTL1_RSTCLB BIT(3) /*!< reset calibration */
#define ADC_CTL1_DMA BIT(8) /*!< direct memory access mode */
#define ADC_CTL1_DAL BIT(11) /*!< data alignment */
#define ADC_CTL1_ETSIC BITS(12,14) /*!< external trigger select for inserted channel */
#define ADC_CTL1_ETEIC BIT(15) /*!< external trigger enable for inserted channel */
#define ADC_CTL1_ETSRC BITS(17,19) /*!< external trigger select for regular channel */
#define ADC_CTL1_ETERC BIT(20) /*!< external trigger conversion mode for inserted channels */
#define ADC_CTL1_SWICST BIT(21) /*!< start on inserted channel */
#define ADC_CTL1_SWRCST BIT(22) /*!< start on regular channel */
#define ADC_CTL1_TSVREN BIT(23) /*!< channel 16 and 17 enable of ADC0 */
/* ADC_SAMPTx x=0..1 */
#define ADC_SAMPTX_SPTN BITS(0,2) /*!< channel n sample time selection */
/* ADC_IOFFx x=0..3 */
#define ADC_IOFFX_IOFF BITS(0,11) /*!< data offset for inserted channel x */
/* ADC_WDHT */
#define ADC_WDHT_WDHT BITS(0,11) /*!< analog watchdog high threshold */
/* ADC_WDLT */
#define ADC_WDLT_WDLT BITS(0,11) /*!< analog watchdog low threshold */
/* ADC_RSQx x=0..2 */
#define ADC_RSQX_RSQN BITS(0,4) /*!< nth conversion in regular sequence */
#define ADC_RSQ0_RL BITS(20,23) /*!< regular channel sequence length */
/* ADC_ISQ */
#define ADC_ISQ_ISQN BITS(0,4) /*!< nth conversion in inserted sequence */
#define ADC_ISQ_IL BITS(20,21) /*!< inserted sequence length */
/* ADC_IDATAx x=0..3*/
#define ADC_IDATAX_IDATAN BITS(0,15) /*!< inserted data n */
/* ADC_RDATA */
#define ADC_RDATA_RDATA BITS(0,15) /*!< regular data */
#define ADC_RDATA_ADC1RDTR BITS(16,31) /*!< ADC1 regular channel data */
/* ADC_OVSCR */
#define ADC_OVSCR_OVSEN BIT(0) /*!< oversampling enable */
#define ADC_OVSCR_OVSR BITS(2,4) /*!< oversampling ratio */
#define ADC_OVSCR_OVSS BITS(5,8) /*!< oversampling shift */
#define ADC_OVSCR_TOVS BIT(9) /*!< triggered oversampling */
#define ADC_OVSCR_DRES BITS(12,13) /*!< ADC data resolution */
/* constants definitions */
/* adc_stat register value */
#define ADC_FLAG_WDE ADC_STAT_WDE /*!< analog watchdog event flag */
#define ADC_FLAG_EOC ADC_STAT_EOC /*!< end of conversion */
#define ADC_FLAG_EOIC ADC_STAT_EOIC /*!< inserted channel end of conversion */
#define ADC_FLAG_STIC ADC_STAT_STIC /*!< inserted channel start flag */
#define ADC_FLAG_STRC ADC_STAT_STRC /*!< regular channel start flag */
/* adc_ctl0 register value */
#define CTL0_DISNUM(regval) (BITS(13,15) & ((uint32_t)(regval) << 13)) /*!< write value to ADC_CTL0_DISNUM bit field */
/* scan mode */
#define ADC_SCAN_MODE ADC_CTL0_SM /*!< scan mode */
/* inserted channel group convert automatically */
#define ADC_INSERTED_CHANNEL_AUTO ADC_CTL0_ICA /*!< inserted channel group convert automatically */
/* ADC sync mode */
#define CTL0_SYNCM(regval) (BITS(16,19) & ((uint32_t)(regval) << 16)) /*!< write value to ADC_CTL0_SYNCM bit field */
#define ADC_MODE_FREE CTL0_SYNCM(0) /*!< all the ADCs work independently */
#define ADC_DAUL_REGULAL_PARALLEL_INSERTED_PARALLEL CTL0_SYNCM(1) /*!< ADC0 and ADC1 work in combined regular parallel + inserted parallel mode */
#define ADC_DAUL_REGULAL_PARALLEL_INSERTED_ROTATION CTL0_SYNCM(2) /*!< ADC0 and ADC1 work in combined regular parallel + trigger rotation mode */
#define ADC_DAUL_INSERTED_PARALLEL_REGULAL_FOLLOWUP_FAST CTL0_SYNCM(3) /*!< ADC0 and ADC1 work in combined inserted parallel + follow-up fast mode */
#define ADC_DAUL_INSERTED_PARALLEL_REGULAL_FOLLOWUP_SLOW CTL0_SYNCM(4) /*!< ADC0 and ADC1 work in combined inserted parallel + follow-up slow mode */
#define ADC_DAUL_INSERTED_PARALLEL CTL0_SYNCM(5) /*!< ADC0 and ADC1 work in inserted parallel mode only */
#define ADC_DAUL_REGULAL_PARALLEL CTL0_SYNCM(6) /*!< ADC0 and ADC1 work in regular parallel mode only */
#define ADC_DAUL_REGULAL_FOLLOWUP_FAST CTL0_SYNCM(7) /*!< ADC0 and ADC1 work in follow-up fast mode only */
#define ADC_DAUL_REGULAL_FOLLOWUP_SLOW CTL0_SYNCM(8) /*!< ADC0 and ADC1 work in follow-up slow mode only */
#define ADC_DAUL_INSERTED_TRIGGER_ROTATION CTL0_SYNCM(9) /*!< ADC0 and ADC1 work in trigger rotation mode only */
/* adc_ctl1 register value */
#define ADC_DATAALIGN_RIGHT ((uint32_t)0x00000000U) /*!< LSB alignment */
#define ADC_DATAALIGN_LEFT ADC_CTL1_DAL /*!< MSB alignment */
/* continuous mode */
#define ADC_CONTINUOUS_MODE ADC_CTL1_CTN /*!< continuous mode */
/* external trigger select for regular channel */
#define CTL1_ETSRC(regval) (BITS(17,19) & ((uint32_t)(regval) << 17)) /*!< write value to ADC_CTL1_ETSRC bit field */
/* for ADC0 and ADC1 regular channel */
#define ADC0_1_EXTTRIG_REGULAR_T0_CH0 CTL1_ETSRC(0) /*!< TIMER0 CH0 event select */
#define ADC0_1_EXTTRIG_REGULAR_T0_CH1 CTL1_ETSRC(1) /*!< TIMER0 CH1 event select */
#define ADC0_1_EXTTRIG_REGULAR_T0_CH2 CTL1_ETSRC(2) /*!< TIMER0 CH2 event select */
#define ADC0_1_EXTTRIG_REGULAR_T1_CH1 CTL1_ETSRC(3) /*!< TIMER1 CH1 event select */
#define ADC0_1_EXTTRIG_REGULAR_T2_TRGO CTL1_ETSRC(4) /*!< TIMER2 TRGO event select */
#define ADC0_1_EXTTRIG_REGULAR_T3_CH3 CTL1_ETSRC(5) /*!< TIMER3 CH3 event select */
#define ADC0_1_EXTTRIG_REGULAR_EXTI_11 CTL1_ETSRC(6) /*!< external interrupt line 11 */
#define ADC0_1_EXTTRIG_REGULAR_NONE CTL1_ETSRC(7) /*!< software trigger */
/* external trigger mode for inserted channel */
#define CTL1_ETSIC(regval) (BITS(12,14) & ((uint32_t)(regval) << 12)) /*!< write value to ADC_CTL1_ETSIC bit field */
/* for ADC0 and ADC1 inserted channel */
#define ADC0_1_EXTTRIG_INSERTED_T0_TRGO CTL1_ETSIC(0) /*!< TIMER0 TRGO event select */
#define ADC0_1_EXTTRIG_INSERTED_T0_CH3 CTL1_ETSIC(1) /*!< TIMER0 CH3 event select */
#define ADC0_1_EXTTRIG_INSERTED_T1_TRGO CTL1_ETSIC(2) /*!< TIMER1 TRGO event select */
#define ADC0_1_EXTTRIG_INSERTED_T1_CH0 CTL1_ETSIC(3) /*!< TIMER1 CH0 event select */
#define ADC0_1_EXTTRIG_INSERTED_T2_CH3 CTL1_ETSIC(4) /*!< TIMER2 CH3 event select */
#define ADC0_1_EXTTRIG_INSERTED_T3_TRGO CTL1_ETSIC(5) /*!< TIMER3 TRGO event select */
#define ADC0_1_EXTTRIG_INSERTED_EXTI_15 CTL1_ETSIC(6) /*!< external interrupt line 15 */
#define ADC0_1_EXTTRIG_INSERTED_NONE CTL1_ETSIC(7) /*!< software trigger */
/* adc_samptx register value */
#define SAMPTX_SPT(regval) (BITS(0,2) & ((uint32_t)(regval) << 0)) /*!< write value to ADC_SAMPTX_SPT bit field */
#define ADC_SAMPLETIME_1POINT5 SAMPTX_SPT(0) /*!< 1.5 sampling cycles */
#define ADC_SAMPLETIME_7POINT5 SAMPTX_SPT(1) /*!< 7.5 sampling cycles */
#define ADC_SAMPLETIME_13POINT5 SAMPTX_SPT(2) /*!< 13.5 sampling cycles */
#define ADC_SAMPLETIME_28POINT5 SAMPTX_SPT(3) /*!< 28.5 sampling cycles */
#define ADC_SAMPLETIME_41POINT5 SAMPTX_SPT(4) /*!< 41.5 sampling cycles */
#define ADC_SAMPLETIME_55POINT5 SAMPTX_SPT(5) /*!< 55.5 sampling cycles */
#define ADC_SAMPLETIME_71POINT5 SAMPTX_SPT(6) /*!< 71.5 sampling cycles */
#define ADC_SAMPLETIME_239POINT5 SAMPTX_SPT(7) /*!< 239.5 sampling cycles */
/* adc_ioffx register value */
#define IOFFX_IOFF(regval) (BITS(0,11) & ((uint32_t)(regval) << 0)) /*!< write value to ADC_IOFFX_IOFF bit field */
/* adc_wdht register value */
#define WDHT_WDHT(regval) (BITS(0,11) & ((uint32_t)(regval) << 0)) /*!< write value to ADC_WDHT_WDHT bit field */
/* adc_wdlt register value */
#define WDLT_WDLT(regval) (BITS(0,11) & ((uint32_t)(regval) << 0)) /*!< write value to ADC_WDLT_WDLT bit field */
/* adc_rsqx register value */
#define RSQ0_RL(regval) (BITS(20,23) & ((uint32_t)(regval) << 20)) /*!< write value to ADC_RSQ0_RL bit field */
/* adc_isq register value */
#define ISQ_IL(regval) (BITS(20,21) & ((uint32_t)(regval) << 20)) /*!< write value to ADC_ISQ_IL bit field */
/* ADC channel group definitions */
#define ADC_REGULAR_CHANNEL ((uint8_t)0x01U) /*!< adc regular channel group */
#define ADC_INSERTED_CHANNEL ((uint8_t)0x02U) /*!< adc inserted channel group */
#define ADC_REGULAR_INSERTED_CHANNEL ((uint8_t)0x03U) /*!< both regular and inserted channel group */
#define ADC_CHANNEL_DISCON_DISABLE ((uint8_t)0x04U) /*!< disable discontinuous mode of regular & inserted channel */
/* ADC inserted channel definitions */
#define ADC_INSERTED_CHANNEL_0 ((uint8_t)0x00U) /*!< adc inserted channel 0 */
#define ADC_INSERTED_CHANNEL_1 ((uint8_t)0x01U) /*!< adc inserted channel 1 */
#define ADC_INSERTED_CHANNEL_2 ((uint8_t)0x02U) /*!< adc inserted channel 2 */
#define ADC_INSERTED_CHANNEL_3 ((uint8_t)0x03U) /*!< adc inserted channel 3 */
/* ADC channel definitions */
#define ADC_CHANNEL_0 ((uint8_t)0x00U) /*!< ADC channel 0 */
#define ADC_CHANNEL_1 ((uint8_t)0x01U) /*!< ADC channel 1 */
#define ADC_CHANNEL_2 ((uint8_t)0x02U) /*!< ADC channel 2 */
#define ADC_CHANNEL_3 ((uint8_t)0x03U) /*!< ADC channel 3 */
#define ADC_CHANNEL_4 ((uint8_t)0x04U) /*!< ADC channel 4 */
#define ADC_CHANNEL_5 ((uint8_t)0x05U) /*!< ADC channel 5 */
#define ADC_CHANNEL_6 ((uint8_t)0x06U) /*!< ADC channel 6 */
#define ADC_CHANNEL_7 ((uint8_t)0x07U) /*!< ADC channel 7 */
#define ADC_CHANNEL_8 ((uint8_t)0x08U) /*!< ADC channel 8 */
#define ADC_CHANNEL_9 ((uint8_t)0x09U) /*!< ADC channel 9 */
#define ADC_CHANNEL_10 ((uint8_t)0x0AU) /*!< ADC channel 10 */
#define ADC_CHANNEL_11 ((uint8_t)0x0BU) /*!< ADC channel 11 */
#define ADC_CHANNEL_12 ((uint8_t)0x0CU) /*!< ADC channel 12 */
#define ADC_CHANNEL_13 ((uint8_t)0x0DU) /*!< ADC channel 13 */
#define ADC_CHANNEL_14 ((uint8_t)0x0EU) /*!< ADC channel 14 */
#define ADC_CHANNEL_15 ((uint8_t)0x0FU) /*!< ADC channel 15 */
#define ADC_CHANNEL_16 ((uint8_t)0x10U) /*!< ADC channel 16 */
#define ADC_CHANNEL_17 ((uint8_t)0x11U) /*!< ADC channel 17 */
/* ADC interrupt */
#define ADC_INT_WDE ADC_STAT_WDE /*!< analog watchdog event interrupt */
#define ADC_INT_EOC ADC_STAT_EOC /*!< end of group conversion interrupt */
#define ADC_INT_EOIC ADC_STAT_EOIC /*!< end of inserted group conversion interrupt */
/* ADC interrupt flag */
#define ADC_INT_FLAG_WDE ADC_STAT_WDE /*!< analog watchdog event interrupt flag */
#define ADC_INT_FLAG_EOC ADC_STAT_EOC /*!< end of group conversion interrupt flag */
#define ADC_INT_FLAG_EOIC ADC_STAT_EOIC /*!< end of inserted group conversion interrupt flag */
/* ADC resolution definitions */
#define OVSCR_DRES(regval) (BITS(12,13) & ((uint32_t)(regval) << 12))
#define ADC_RESOLUTION_12B OVSCR_DRES(0) /*!< 12-bit ADC resolution */
#define ADC_RESOLUTION_10B OVSCR_DRES(1) /*!< 10-bit ADC resolution */
#define ADC_RESOLUTION_8B OVSCR_DRES(2) /*!< 8-bit ADC resolution */
#define ADC_RESOLUTION_6B OVSCR_DRES(3) /*!< 6-bit ADC resolution */
/* ADC oversampling mode */
#define ADC_OVERSAMPLING_ALL_CONVERT 0 /*!< all oversampled conversions for a channel are done consecutively after a trigger */
#define ADC_OVERSAMPLING_ONE_CONVERT 1 /*!< each oversampled conversion for a channel needs a trigger */
/* ADC oversampling shift */
#define OVSCR_OVSS(regval) (BITS(5,8) & ((uint32_t)(regval) << 5))
#define ADC_OVERSAMPLING_SHIFT_NONE OVSCR_OVSS(0) /*!< no oversampling shift */
#define ADC_OVERSAMPLING_SHIFT_1B OVSCR_OVSS(1) /*!< 1-bit oversampling shift */
#define ADC_OVERSAMPLING_SHIFT_2B OVSCR_OVSS(2) /*!< 2-bit oversampling shift */
#define ADC_OVERSAMPLING_SHIFT_3B OVSCR_OVSS(3) /*!< 3-bit oversampling shift */
#define ADC_OVERSAMPLING_SHIFT_4B OVSCR_OVSS(4) /*!< 4-bit oversampling shift */
#define ADC_OVERSAMPLING_SHIFT_5B OVSCR_OVSS(5) /*!< 5-bit oversampling shift */
#define ADC_OVERSAMPLING_SHIFT_6B OVSCR_OVSS(6) /*!< 6-bit oversampling shift */
#define ADC_OVERSAMPLING_SHIFT_7B OVSCR_OVSS(7) /*!< 7-bit oversampling shift */
#define ADC_OVERSAMPLING_SHIFT_8B OVSCR_OVSS(8) /*!< 8-bit oversampling shift */
/* ADC oversampling ratio */
#define OVSCR_OVSR(regval) (BITS(2,4) & ((uint32_t)(regval) << 2))
#define ADC_OVERSAMPLING_RATIO_MUL2 OVSCR_OVSR(0) /*!< oversampling ratio X2 */
#define ADC_OVERSAMPLING_RATIO_MUL4 OVSCR_OVSR(1) /*!< oversampling ratio X4 */
#define ADC_OVERSAMPLING_RATIO_MUL8 OVSCR_OVSR(2) /*!< oversampling ratio X8 */
#define ADC_OVERSAMPLING_RATIO_MUL16 OVSCR_OVSR(3) /*!< oversampling ratio X16 */
#define ADC_OVERSAMPLING_RATIO_MUL32 OVSCR_OVSR(4) /*!< oversampling ratio X32 */
#define ADC_OVERSAMPLING_RATIO_MUL64 OVSCR_OVSR(5) /*!< oversampling ratio X64 */
#define ADC_OVERSAMPLING_RATIO_MUL128 OVSCR_OVSR(6) /*!< oversampling ratio X128 */
#define ADC_OVERSAMPLING_RATIO_MUL256 OVSCR_OVSR(7) /*!< oversampling ratio X256 */
/* function declarations */
/* initialization config */
/* reset ADC */
void adc_deinit(uint32_t adc_periph);
/* configure the ADC sync mode */
void adc_mode_config(uint32_t mode);
/* enable or disable ADC special function */
void adc_special_function_config(uint32_t adc_periph, uint32_t function, ControlStatus newvalue);
/* configure ADC data alignment */
void adc_data_alignment_config(uint32_t adc_periph, uint32_t data_alignment);
/* enable ADC interface */
void adc_enable(uint32_t adc_periph);
/* disable ADC interface */
void adc_disable(uint32_t adc_periph);
/* ADC calibration and reset calibration */
void adc_calibration_enable(uint32_t adc_periph);
/* enable the temperature sensor and Vrefint channel */
void adc_tempsensor_vrefint_enable(void);
/* disable the temperature sensor and Vrefint channel */
void adc_tempsensor_vrefint_disable(void);
/* DMA config */
/* enable DMA request */
void adc_dma_mode_enable(uint32_t adc_periph);
/* disable DMA request */
void adc_dma_mode_disable(uint32_t adc_periph);
/* regular group and inserted group config */
/* configure ADC discontinuous mode */
void adc_discontinuous_mode_config(uint32_t adc_periph, uint8_t adc_channel_group, uint8_t length);
/* configure the length of regular channel group or inserted channel group */
void adc_channel_length_config(uint32_t adc_periph, uint8_t adc_channel_group, uint32_t length);
/* configure ADC regular channel */
void adc_regular_channel_config(uint32_t adc_periph, uint8_t rank, uint8_t adc_channel, uint32_t sample_time);
/* configure ADC inserted channel */
void adc_inserted_channel_config(uint32_t adc_periph, uint8_t rank, uint8_t adc_channel, uint32_t sample_time);
/* configure ADC inserted channel offset */
void adc_inserted_channel_offset_config(uint32_t adc_periph, uint8_t inserted_channel, uint16_t offset);
/* configure ADC external trigger source */
void adc_external_trigger_source_config(uint32_t adc_periph, uint8_t adc_channel_group, uint32_t external_trigger_source);
/* configure ADC external trigger */
void adc_external_trigger_config(uint32_t adc_periph, uint8_t adc_channel_group, ControlStatus newvalue);
/* enable ADC software trigger */
void adc_software_trigger_enable(uint32_t adc_periph, uint8_t adc_channel_group);
/* get channel data */
/* read ADC regular group data register */
uint16_t adc_regular_data_read(uint32_t adc_periph);
/* read ADC inserted group data register */
uint16_t adc_inserted_data_read(uint32_t adc_periph, uint8_t inserted_channel);
/* read the last ADC0 and ADC1 conversion result data in sync mode */
uint32_t adc_sync_mode_convert_value_read(void);
/* watchdog config */
/* configure ADC analog watchdog single channel */
void adc_watchdog_single_channel_enable(uint32_t adc_periph, uint8_t adc_channel);
/* configure ADC analog watchdog group channel */
void adc_watchdog_group_channel_enable(uint32_t adc_periph, uint8_t adc_channel_group);
/* disable ADC analog watchdog */
void adc_watchdog_disable(uint32_t adc_periph);
/* configure ADC analog watchdog threshold */
void adc_watchdog_threshold_config(uint32_t adc_periph, uint16_t low_threshold, uint16_t high_threshold);
/* interrupt & flag functions */
/* get the ADC flag bits */
FlagStatus adc_flag_get(uint32_t adc_periph, uint32_t adc_flag);
/* clear the ADC flag bits */
void adc_flag_clear(uint32_t adc_periph, uint32_t adc_flag);
/* get the bit state of ADCx software start conversion */
FlagStatus adc_regular_software_startconv_flag_get(uint32_t adc_periph);
/* get the bit state of ADCx software inserted channel start conversion */
FlagStatus adc_inserted_software_startconv_flag_get(uint32_t adc_periph);
/* get the ADC interrupt bits */
FlagStatus adc_interrupt_flag_get(uint32_t adc_periph, uint32_t adc_interrupt);
/* clear the ADC flag */
void adc_interrupt_flag_clear(uint32_t adc_periph, uint32_t adc_interrupt);
/* enable ADC interrupt */
void adc_interrupt_enable(uint32_t adc_periph, uint32_t adc_interrupt);
/* disable ADC interrupt */
void adc_interrupt_disable(uint32_t adc_periph, uint32_t adc_interrupt);
/* ADC resolution & oversample */
/* ADC resolution config */
void adc_resolution_config(uint32_t adc_periph, uint32_t resolution);
/* ADC oversample mode config */
void adc_oversample_mode_config(uint32_t adc_periph, uint8_t mode, uint16_t shift, uint8_t ratio);
/* enable ADC oversample mode */
void adc_oversample_mode_enable(uint32_t adc_periph);
/* disable ADC oversample mode */
void adc_oversample_mode_disable(uint32_t adc_periph);
#endif /* GD32VF103_ADC_H */

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/*!
\file gd32vf103_bkp.h
\brief definitions for the BKP
\version 2019-06-05, V1.0.0, firmware for GD32VF103
*/
/*
Copyright (c) 2019, GigaDevice Semiconductor Inc.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
3. Neither the name of the copyright holder nor the names of its contributors
may be used to endorse or promote products derived from this software without
specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
OF SUCH DAMAGE.
*/
#ifndef GD32VF103_BKP_H
#define GD32VF103_BKP_H
#include "gd32vf103.h"
/* BKP definitions */
#define BKP BKP_BASE /*!< BKP base address */
/* registers definitions */
#define BKP_DATA0 REG16((BKP) + 0x04U) /*!< BKP data register 0 */
#define BKP_DATA1 REG16((BKP) + 0x08U) /*!< BKP data register 1 */
#define BKP_DATA2 REG16((BKP) + 0x0CU) /*!< BKP data register 2 */
#define BKP_DATA3 REG16((BKP) + 0x10U) /*!< BKP data register 3 */
#define BKP_DATA4 REG16((BKP) + 0x14U) /*!< BKP data register 4 */
#define BKP_DATA5 REG16((BKP) + 0x18U) /*!< BKP data register 5 */
#define BKP_DATA6 REG16((BKP) + 0x1CU) /*!< BKP data register 6 */
#define BKP_DATA7 REG16((BKP) + 0x20U) /*!< BKP data register 7 */
#define BKP_DATA8 REG16((BKP) + 0x24U) /*!< BKP data register 8 */
#define BKP_DATA9 REG16((BKP) + 0x28U) /*!< BKP data register 9 */
#define BKP_DATA10 REG16((BKP) + 0x40U) /*!< BKP data register 10 */
#define BKP_DATA11 REG16((BKP) + 0x44U) /*!< BKP data register 11 */
#define BKP_DATA12 REG16((BKP) + 0x48U) /*!< BKP data register 12 */
#define BKP_DATA13 REG16((BKP) + 0x4CU) /*!< BKP data register 13 */
#define BKP_DATA14 REG16((BKP) + 0x50U) /*!< BKP data register 14 */
#define BKP_DATA15 REG16((BKP) + 0x54U) /*!< BKP data register 15 */
#define BKP_DATA16 REG16((BKP) + 0x58U) /*!< BKP data register 16 */
#define BKP_DATA17 REG16((BKP) + 0x5CU) /*!< BKP data register 17 */
#define BKP_DATA18 REG16((BKP) + 0x60U) /*!< BKP data register 18 */
#define BKP_DATA19 REG16((BKP) + 0x64U) /*!< BKP data register 19 */
#define BKP_DATA20 REG16((BKP) + 0x68U) /*!< BKP data register 20 */
#define BKP_DATA21 REG16((BKP) + 0x6CU) /*!< BKP data register 21 */
#define BKP_DATA22 REG16((BKP) + 0x70U) /*!< BKP data register 22 */
#define BKP_DATA23 REG16((BKP) + 0x74U) /*!< BKP data register 23 */
#define BKP_DATA24 REG16((BKP) + 0x78U) /*!< BKP data register 24 */
#define BKP_DATA25 REG16((BKP) + 0x7CU) /*!< BKP data register 25 */
#define BKP_DATA26 REG16((BKP) + 0x80U) /*!< BKP data register 26 */
#define BKP_DATA27 REG16((BKP) + 0x84U) /*!< BKP data register 27 */
#define BKP_DATA28 REG16((BKP) + 0x88U) /*!< BKP data register 28 */
#define BKP_DATA29 REG16((BKP) + 0x8CU) /*!< BKP data register 29 */
#define BKP_DATA30 REG16((BKP) + 0x90U) /*!< BKP data register 30 */
#define BKP_DATA31 REG16((BKP) + 0x94U) /*!< BKP data register 31 */
#define BKP_DATA32 REG16((BKP) + 0x98U) /*!< BKP data register 32 */
#define BKP_DATA33 REG16((BKP) + 0x9CU) /*!< BKP data register 33 */
#define BKP_DATA34 REG16((BKP) + 0xA0U) /*!< BKP data register 34 */
#define BKP_DATA35 REG16((BKP) + 0xA4U) /*!< BKP data register 35 */
#define BKP_DATA36 REG16((BKP) + 0xA8U) /*!< BKP data register 36 */
#define BKP_DATA37 REG16((BKP) + 0xACU) /*!< BKP data register 37 */
#define BKP_DATA38 REG16((BKP) + 0xB0U) /*!< BKP data register 38 */
#define BKP_DATA39 REG16((BKP) + 0xB4U) /*!< BKP data register 39 */
#define BKP_DATA40 REG16((BKP) + 0xB8U) /*!< BKP data register 40 */
#define BKP_DATA41 REG16((BKP) + 0xBCU) /*!< BKP data register 41 */
#define BKP_OCTL REG16((BKP) + 0x2CU) /*!< RTC signal output control register */
#define BKP_TPCTL REG16((BKP) + 0x30U) /*!< tamper pin control register */
#define BKP_TPCS REG16((BKP) + 0x34U) /*!< tamper control and status register */
/* bits definitions */
/* BKP_DATA */
#define BKP_DATA BITS(0,15) /*!< backup data */
/* BKP_OCTL */
#define BKP_OCTL_RCCV BITS(0,6) /*!< RTC clock calibration value */
#define BKP_OCTL_COEN BIT(7) /*!< RTC clock calibration output enable */
#define BKP_OCTL_ASOEN BIT(8) /*!< RTC alarm or second signal output enable */
#define BKP_OCTL_ROSEL BIT(9) /*!< RTC output selection */
/* BKP_TPCTL */
#define BKP_TPCTL_TPEN BIT(0) /*!< tamper detection enable */
#define BKP_TPCTL_TPAL BIT(1) /*!< tamper pin active level */
/* BKP_TPCS */
#define BKP_TPCS_TER BIT(0) /*!< tamper event reset */
#define BKP_TPCS_TIR BIT(1) /*!< tamper interrupt reset */
#define BKP_TPCS_TPIE BIT(2) /*!< tamper interrupt enable */
#define BKP_TPCS_TEF BIT(8) /*!< tamper event flag */
#define BKP_TPCS_TIF BIT(9) /*!< tamper interrupt flag */
/* constants definitions */
/* BKP data register number */
typedef enum
{
BKP_DATA_0 = 1, /*!< BKP data register 0 */
BKP_DATA_1, /*!< BKP data register 1 */
BKP_DATA_2, /*!< BKP data register 2 */
BKP_DATA_3, /*!< BKP data register 3 */
BKP_DATA_4, /*!< BKP data register 4 */
BKP_DATA_5, /*!< BKP data register 5 */
BKP_DATA_6, /*!< BKP data register 6 */
BKP_DATA_7, /*!< BKP data register 7 */
BKP_DATA_8, /*!< BKP data register 8 */
BKP_DATA_9, /*!< BKP data register 9 */
BKP_DATA_10, /*!< BKP data register 10 */
BKP_DATA_11, /*!< BKP data register 11 */
BKP_DATA_12, /*!< BKP data register 12 */
BKP_DATA_13, /*!< BKP data register 13 */
BKP_DATA_14, /*!< BKP data register 14 */
BKP_DATA_15, /*!< BKP data register 15 */
BKP_DATA_16, /*!< BKP data register 16 */
BKP_DATA_17, /*!< BKP data register 17 */
BKP_DATA_18, /*!< BKP data register 18 */
BKP_DATA_19, /*!< BKP data register 19 */
BKP_DATA_20, /*!< BKP data register 20 */
BKP_DATA_21, /*!< BKP data register 21 */
BKP_DATA_22, /*!< BKP data register 22 */
BKP_DATA_23, /*!< BKP data register 23 */
BKP_DATA_24, /*!< BKP data register 24 */
BKP_DATA_25, /*!< BKP data register 25 */
BKP_DATA_26, /*!< BKP data register 26 */
BKP_DATA_27, /*!< BKP data register 27 */
BKP_DATA_28, /*!< BKP data register 28 */
BKP_DATA_29, /*!< BKP data register 29 */
BKP_DATA_30, /*!< BKP data register 30 */
BKP_DATA_31, /*!< BKP data register 31 */
BKP_DATA_32, /*!< BKP data register 32 */
BKP_DATA_33, /*!< BKP data register 33 */
BKP_DATA_34, /*!< BKP data register 34 */
BKP_DATA_35, /*!< BKP data register 35 */
BKP_DATA_36, /*!< BKP data register 36 */
BKP_DATA_37, /*!< BKP data register 37 */
BKP_DATA_38, /*!< BKP data register 38 */
BKP_DATA_39, /*!< BKP data register 39 */
BKP_DATA_40, /*!< BKP data register 40 */
BKP_DATA_41, /*!< BKP data register 41 */
}bkp_data_register_enum;
/* BKP register */
#define BKP_DATA0_9(number) REG16((BKP) + 0x04U + (number) * 0x04U)
#define BKP_DATA10_41(number) REG16((BKP) + 0x40U + ((number)-10U) * 0x04U)
/* get data of BKP data register */
#define BKP_DATA_GET(regval) GET_BITS((uint32_t)(regval), 0, 15)
/* RTC clock calibration value */
#define OCTL_RCCV(regval) (BITS(0,6) & ((uint32_t)(regval) << 0))
/* RTC output selection */
#define RTC_OUTPUT_ALARM_PULSE ((uint16_t)0x0000U) /*!< RTC alarm pulse is selected as the RTC output */
#define RTC_OUTPUT_SECOND_PULSE ((uint16_t)0x0200U) /*!< RTC second pulse is selected as the RTC output */
/* tamper pin active level */
#define TAMPER_PIN_ACTIVE_HIGH ((uint16_t)0x0000U) /*!< the tamper pin is active high */
#define TAMPER_PIN_ACTIVE_LOW ((uint16_t)0x0002U) /*!< the tamper pin is active low */
/* tamper flag */
#define BKP_FLAG_TAMPER BKP_TPCS_TEF /*!< tamper event flag */
/* tamper interrupt flag */
#define BKP_INT_FLAG_TAMPER BKP_TPCS_TIF /*!< tamper interrupt flag */
/* function declarations */
/* reset BKP registers */
void bkp_deinit(void);
/* write BKP data register */
void bkp_data_write(bkp_data_register_enum register_number, uint16_t data);
/* read BKP data register */
uint16_t bkp_data_read(bkp_data_register_enum register_number);
/* RTC related functions */
/* enable RTC clock calibration output */
void bkp_rtc_calibration_output_enable(void);
/* disable RTC clock calibration output */
void bkp_rtc_calibration_output_disable(void);
/* enable RTC alarm or second signal output */
void bkp_rtc_signal_output_enable(void);
/* disable RTC alarm or second signal output */
void bkp_rtc_signal_output_disable(void);
/* select RTC output */
void bkp_rtc_output_select(uint16_t outputsel);
/* set RTC clock calibration value */
void bkp_rtc_calibration_value_set(uint8_t value);
/* tamper pin related functions */
/* enable tamper pin detection */
void bkp_tamper_detection_enable(void);
/* disable tamper pin detection */
void bkp_tamper_detection_disable(void);
/* set tamper pin active level */
void bkp_tamper_active_level_set(uint16_t level);
/* interrupt & flag functions */
/* enable tamper interrupt */
void bkp_interrupt_enable(void);
/* disable tamper interrupt */
void bkp_interrupt_disable(void);
/* get tamper flag state */
FlagStatus bkp_flag_get(void);
/* clear tamper flag state */
void bkp_flag_clear(void);
/* get tamper interrupt flag state */
FlagStatus bkp_interrupt_flag_get(void);
/* clear tamper interrupt flag state */
void bkp_interrupt_flag_clear(void);
#endif /* GD32VF103_BKP_H */

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/*!
\file gd32vf103_can.h
\brief definitions for the CAN
\version 2019-06-05, V1.0.0, firmware for GD32VF103
\version 2019-11-27, V1.0.1, firmware for GD32VF103
*/
/*
Copyright (c) 2019, GigaDevice Semiconductor Inc.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
3. Neither the name of the copyright holder nor the names of its contributors
may be used to endorse or promote products derived from this software without
specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
OF SUCH DAMAGE.
*/
#ifndef GD32VF103_CAN_H
#define GD32VF103_CAN_H
#include "gd32vf103.h"
/* CAN definitions */
#define CAN0 CAN_BASE /*!< CAN0 base address */
#define CAN1 (CAN0 + 0x00000400U) /*!< CAN1 base address */
/* registers definitions */
#define CAN_CTL(canx) REG32((canx) + 0x00U) /*!< CAN control register */
#define CAN_STAT(canx) REG32((canx) + 0x04U) /*!< CAN status register */
#define CAN_TSTAT(canx) REG32((canx) + 0x08U) /*!< CAN transmit status register*/
#define CAN_RFIFO0(canx) REG32((canx) + 0x0CU) /*!< CAN receive FIFO0 register */
#define CAN_RFIFO1(canx) REG32((canx) + 0x10U) /*!< CAN receive FIFO1 register */
#define CAN_INTEN(canx) REG32((canx) + 0x14U) /*!< CAN interrupt enable register */
#define CAN_ERR(canx) REG32((canx) + 0x18U) /*!< CAN error register */
#define CAN_BT(canx) REG32((canx) + 0x1CU) /*!< CAN bit timing register */
#define CAN_TMI0(canx) REG32((canx) + 0x180U) /*!< CAN transmit mailbox0 identifier register */
#define CAN_TMP0(canx) REG32((canx) + 0x184U) /*!< CAN transmit mailbox0 property register */
#define CAN_TMDATA00(canx) REG32((canx) + 0x188U) /*!< CAN transmit mailbox0 data0 register */
#define CAN_TMDATA10(canx) REG32((canx) + 0x18CU) /*!< CAN transmit mailbox0 data1 register */
#define CAN_TMI1(canx) REG32((canx) + 0x190U) /*!< CAN transmit mailbox1 identifier register */
#define CAN_TMP1(canx) REG32((canx) + 0x194U) /*!< CAN transmit mailbox1 property register */
#define CAN_TMDATA01(canx) REG32((canx) + 0x198U) /*!< CAN transmit mailbox1 data0 register */
#define CAN_TMDATA11(canx) REG32((canx) + 0x19CU) /*!< CAN transmit mailbox1 data1 register */
#define CAN_TMI2(canx) REG32((canx) + 0x1A0U) /*!< CAN transmit mailbox2 identifier register */
#define CAN_TMP2(canx) REG32((canx) + 0x1A4U) /*!< CAN transmit mailbox2 property register */
#define CAN_TMDATA02(canx) REG32((canx) + 0x1A8U) /*!< CAN transmit mailbox2 data0 register */
#define CAN_TMDATA12(canx) REG32((canx) + 0x1ACU) /*!< CAN transmit mailbox2 data1 register */
#define CAN_RFIFOMI0(canx) REG32((canx) + 0x1B0U) /*!< CAN receive FIFO0 mailbox identifier register */
#define CAN_RFIFOMP0(canx) REG32((canx) + 0x1B4U) /*!< CAN receive FIFO0 mailbox property register */
#define CAN_RFIFOMDATA00(canx) REG32((canx) + 0x1B8U) /*!< CAN receive FIFO0 mailbox data0 register */
#define CAN_RFIFOMDATA10(canx) REG32((canx) + 0x1BCU) /*!< CAN receive FIFO0 mailbox data1 register */
#define CAN_RFIFOMI1(canx) REG32((canx) + 0x1C0U) /*!< CAN receive FIFO1 mailbox identifier register */
#define CAN_RFIFOMP1(canx) REG32((canx) + 0x1C4U) /*!< CAN receive FIFO1 mailbox property register */
#define CAN_RFIFOMDATA01(canx) REG32((canx) + 0x1C8U) /*!< CAN receive FIFO1 mailbox data0 register */
#define CAN_RFIFOMDATA11(canx) REG32((canx) + 0x1CCU) /*!< CAN receive FIFO1 mailbox data1 register */
#define CAN_FCTL(canx) REG32((canx) + 0x200U) /*!< CAN filter control register */
#define CAN_FMCFG(canx) REG32((canx) + 0x204U) /*!< CAN filter mode register */
#define CAN_FSCFG(canx) REG32((canx) + 0x20CU) /*!< CAN filter scale register */
#define CAN_FAFIFO(canx) REG32((canx) + 0x214U) /*!< CAN filter associated FIFO register */
#define CAN_FW(canx) REG32((canx) + 0x21CU) /*!< CAN filter working register */
#define CAN_F0DATA0(canx) REG32((canx) + 0x240U) /*!< CAN filter 0 data 0 register */
#define CAN_F1DATA0(canx) REG32((canx) + 0x248U) /*!< CAN filter 1 data 0 register */
#define CAN_F2DATA0(canx) REG32((canx) + 0x250U) /*!< CAN filter 2 data 0 register */
#define CAN_F3DATA0(canx) REG32((canx) + 0x258U) /*!< CAN filter 3 data 0 register */
#define CAN_F4DATA0(canx) REG32((canx) + 0x260U) /*!< CAN filter 4 data 0 register */
#define CAN_F5DATA0(canx) REG32((canx) + 0x268U) /*!< CAN filter 5 data 0 register */
#define CAN_F6DATA0(canx) REG32((canx) + 0x270U) /*!< CAN filter 6 data 0 register */
#define CAN_F7DATA0(canx) REG32((canx) + 0x278U) /*!< CAN filter 7 data 0 register */
#define CAN_F8DATA0(canx) REG32((canx) + 0x280U) /*!< CAN filter 8 data 0 register */
#define CAN_F9DATA0(canx) REG32((canx) + 0x288U) /*!< CAN filter 9 data 0 register */
#define CAN_F10DATA0(canx) REG32((canx) + 0x290U) /*!< CAN filter 10 data 0 register */
#define CAN_F11DATA0(canx) REG32((canx) + 0x298U) /*!< CAN filter 11 data 0 register */
#define CAN_F12DATA0(canx) REG32((canx) + 0x2A0U) /*!< CAN filter 12 data 0 register */
#define CAN_F13DATA0(canx) REG32((canx) + 0x2A8U) /*!< CAN filter 13 data 0 register */
#define CAN_F14DATA0(canx) REG32((canx) + 0x2B0U) /*!< CAN filter 14 data 0 register */
#define CAN_F15DATA0(canx) REG32((canx) + 0x2B8U) /*!< CAN filter 15 data 0 register */
#define CAN_F16DATA0(canx) REG32((canx) + 0x2C0U) /*!< CAN filter 16 data 0 register */
#define CAN_F17DATA0(canx) REG32((canx) + 0x2C8U) /*!< CAN filter 17 data 0 register */
#define CAN_F18DATA0(canx) REG32((canx) + 0x2D0U) /*!< CAN filter 18 data 0 register */
#define CAN_F19DATA0(canx) REG32((canx) + 0x2D8U) /*!< CAN filter 19 data 0 register */
#define CAN_F20DATA0(canx) REG32((canx) + 0x2E0U) /*!< CAN filter 20 data 0 register */
#define CAN_F21DATA0(canx) REG32((canx) + 0x2E8U) /*!< CAN filter 21 data 0 register */
#define CAN_F22DATA0(canx) REG32((canx) + 0x2F0U) /*!< CAN filter 22 data 0 register */
#define CAN_F23DATA0(canx) REG32((canx) + 0x3F8U) /*!< CAN filter 23 data 0 register */
#define CAN_F24DATA0(canx) REG32((canx) + 0x300U) /*!< CAN filter 24 data 0 register */
#define CAN_F25DATA0(canx) REG32((canx) + 0x308U) /*!< CAN filter 25 data 0 register */
#define CAN_F26DATA0(canx) REG32((canx) + 0x310U) /*!< CAN filter 26 data 0 register */
#define CAN_F27DATA0(canx) REG32((canx) + 0x318U) /*!< CAN filter 27 data 0 register */
#define CAN_F0DATA1(canx) REG32((canx) + 0x244U) /*!< CAN filter 0 data 1 register */
#define CAN_F1DATA1(canx) REG32((canx) + 0x24CU) /*!< CAN filter 1 data 1 register */
#define CAN_F2DATA1(canx) REG32((canx) + 0x254U) /*!< CAN filter 2 data 1 register */
#define CAN_F3DATA1(canx) REG32((canx) + 0x25CU) /*!< CAN filter 3 data 1 register */
#define CAN_F4DATA1(canx) REG32((canx) + 0x264U) /*!< CAN filter 4 data 1 register */
#define CAN_F5DATA1(canx) REG32((canx) + 0x26CU) /*!< CAN filter 5 data 1 register */
#define CAN_F6DATA1(canx) REG32((canx) + 0x274U) /*!< CAN filter 6 data 1 register */
#define CAN_F7DATA1(canx) REG32((canx) + 0x27CU) /*!< CAN filter 7 data 1 register */
#define CAN_F8DATA1(canx) REG32((canx) + 0x284U) /*!< CAN filter 8 data 1 register */
#define CAN_F9DATA1(canx) REG32((canx) + 0x28CU) /*!< CAN filter 9 data 1 register */
#define CAN_F10DATA1(canx) REG32((canx) + 0x294U) /*!< CAN filter 10 data 1 register */
#define CAN_F11DATA1(canx) REG32((canx) + 0x29CU) /*!< CAN filter 11 data 1 register */
#define CAN_F12DATA1(canx) REG32((canx) + 0x2A4U) /*!< CAN filter 12 data 1 register */
#define CAN_F13DATA1(canx) REG32((canx) + 0x2ACU) /*!< CAN filter 13 data 1 register */
#define CAN_F14DATA1(canx) REG32((canx) + 0x2B4U) /*!< CAN filter 14 data 1 register */
#define CAN_F15DATA1(canx) REG32((canx) + 0x2BCU) /*!< CAN filter 15 data 1 register */
#define CAN_F16DATA1(canx) REG32((canx) + 0x2C4U) /*!< CAN filter 16 data 1 register */
#define CAN_F17DATA1(canx) REG32((canx) + 0x24CU) /*!< CAN filter 17 data 1 register */
#define CAN_F18DATA1(canx) REG32((canx) + 0x2D4U) /*!< CAN filter 18 data 1 register */
#define CAN_F19DATA1(canx) REG32((canx) + 0x2DCU) /*!< CAN filter 19 data 1 register */
#define CAN_F20DATA1(canx) REG32((canx) + 0x2E4U) /*!< CAN filter 20 data 1 register */
#define CAN_F21DATA1(canx) REG32((canx) + 0x2ECU) /*!< CAN filter 21 data 1 register */
#define CAN_F22DATA1(canx) REG32((canx) + 0x2F4U) /*!< CAN filter 22 data 1 register */
#define CAN_F23DATA1(canx) REG32((canx) + 0x2FCU) /*!< CAN filter 23 data 1 register */
#define CAN_F24DATA1(canx) REG32((canx) + 0x304U) /*!< CAN filter 24 data 1 register */
#define CAN_F25DATA1(canx) REG32((canx) + 0x30CU) /*!< CAN filter 25 data 1 register */
#define CAN_F26DATA1(canx) REG32((canx) + 0x314U) /*!< CAN filter 26 data 1 register */
#define CAN_F27DATA1(canx) REG32((canx) + 0x31CU) /*!< CAN filter 27 data 1 register */
/* CAN transmit mailbox bank */
#define CAN_TMI(canx, bank) REG32((canx) + 0x180U + ((bank) * 0x10U)) /*!< CAN transmit mailbox identifier register */
#define CAN_TMP(canx, bank) REG32((canx) + 0x184U + ((bank) * 0x10U)) /*!< CAN transmit mailbox property register */
#define CAN_TMDATA0(canx, bank) REG32((canx) + 0x188U + ((bank) * 0x10U)) /*!< CAN transmit mailbox data0 register */
#define CAN_TMDATA1(canx, bank) REG32((canx) + 0x18CU + ((bank) * 0x10U)) /*!< CAN transmit mailbox data1 register */
/* CAN filter bank */
#define CAN_FDATA0(canx, bank) REG32((canx) + 0x240U + ((bank) * 0x8U) + 0x0U) /*!< CAN filter data 0 register */
#define CAN_FDATA1(canx, bank) REG32((canx) + 0x240U + ((bank) * 0x8U) + 0x4U) /*!< CAN filter data 1 register */
/* CAN receive fifo mailbox bank */
#define CAN_RFIFOMI(canx, bank) REG32((canx) + 0x1B0U + ((bank) * 0x10U)) /*!< CAN receive FIFO mailbox identifier register */
#define CAN_RFIFOMP(canx, bank) REG32((canx) + 0x1B4U + ((bank) * 0x10U)) /*!< CAN receive FIFO mailbox property register */
#define CAN_RFIFOMDATA0(canx, bank) REG32((canx) + 0x1B8U + ((bank) * 0x10U)) /*!< CAN receive FIFO mailbox data0 register */
#define CAN_RFIFOMDATA1(canx, bank) REG32((canx) + 0x1BCU + ((bank) * 0x10U)) /*!< CAN receive FIFO mailbox data1 register */
/* bits definitions */
/* CAN_CTL */
#define CAN_CTL_IWMOD BIT(0) /*!< initial working mode */
#define CAN_CTL_SLPWMOD BIT(1) /*!< sleep working mode */
#define CAN_CTL_TFO BIT(2) /*!< transmit FIFO order */
#define CAN_CTL_RFOD BIT(3) /*!< receive FIFO overwrite disable */
#define CAN_CTL_ARD BIT(4) /*!< automatic retransmission disable */
#define CAN_CTL_AWU BIT(5) /*!< automatic wakeup */
#define CAN_CTL_ABOR BIT(6) /*!< automatic bus-off recovery */
#define CAN_CTL_TTC BIT(7) /*!< time triggered communication */
#define CAN_CTL_SWRST BIT(15) /*!< CAN software reset */
#define CAN_CTL_DFZ BIT(16) /*!< CAN debug freeze */
/* CAN_STAT */
#define CAN_STAT_IWS BIT(0) /*!< initial working state */
#define CAN_STAT_SLPWS BIT(1) /*!< sleep working state */
#define CAN_STAT_ERRIF BIT(2) /*!< error interrupt flag*/
#define CAN_STAT_WUIF BIT(3) /*!< status change interrupt flag of wakeup from sleep working mode */
#define CAN_STAT_SLPIF BIT(4) /*!< status change interrupt flag of sleep working mode entering */
#define CAN_STAT_TS BIT(8) /*!< transmitting state */
#define CAN_STAT_RS BIT(9) /*!< receiving state */
#define CAN_STAT_LASTRX BIT(10) /*!< last sample value of rx pin */
#define CAN_STAT_RXL BIT(11) /*!< CAN rx signal */
/* CAN_TSTAT */
#define CAN_TSTAT_MTF0 BIT(0) /*!< mailbox0 transmit finished */
#define CAN_TSTAT_MTFNERR0 BIT(1) /*!< mailbox0 transmit finished and no error */
#define CAN_TSTAT_MAL0 BIT(2) /*!< mailbox0 arbitration lost */
#define CAN_TSTAT_MTE0 BIT(3) /*!< mailbox0 transmit error */
#define CAN_TSTAT_MST0 BIT(7) /*!< mailbox0 stop transmitting */
#define CAN_TSTAT_MTF1 BIT(8) /*!< mailbox1 transmit finished */
#define CAN_TSTAT_MTFNERR1 BIT(9) /*!< mailbox1 transmit finished and no error */
#define CAN_TSTAT_MAL1 BIT(10) /*!< mailbox1 arbitration lost */
#define CAN_TSTAT_MTE1 BIT(11) /*!< mailbox1 transmit error */
#define CAN_TSTAT_MST1 BIT(15) /*!< mailbox1 stop transmitting */
#define CAN_TSTAT_MTF2 BIT(16) /*!< mailbox2 transmit finished */
#define CAN_TSTAT_MTFNERR2 BIT(17) /*!< mailbox2 transmit finished and no error */
#define CAN_TSTAT_MAL2 BIT(18) /*!< mailbox2 arbitration lost */
#define CAN_TSTAT_MTE2 BIT(19) /*!< mailbox2 transmit error */
#define CAN_TSTAT_MST2 BIT(23) /*!< mailbox2 stop transmitting */
#define CAN_TSTAT_NUM BITS(24,25) /*!< mailbox number */
#define CAN_TSTAT_TME0 BIT(26) /*!< transmit mailbox0 empty */
#define CAN_TSTAT_TME1 BIT(27) /*!< transmit mailbox1 empty */
#define CAN_TSTAT_TME2 BIT(28) /*!< transmit mailbox2 empty */
#define CAN_TSTAT_TMLS0 BIT(29) /*!< last sending priority flag for mailbox0 */
#define CAN_TSTAT_TMLS1 BIT(30) /*!< last sending priority flag for mailbox1 */
#define CAN_TSTAT_TMLS2 BIT(31) /*!< last sending priority flag for mailbox2 */
/* CAN_RFIFO0 */
#define CAN_RFIFO0_RFL0 BITS(0,1) /*!< receive FIFO0 length */
#define CAN_RFIFO0_RFF0 BIT(3) /*!< receive FIFO0 full */
#define CAN_RFIFO0_RFO0 BIT(4) /*!< receive FIFO0 overfull */
#define CAN_RFIFO0_RFD0 BIT(5) /*!< receive FIFO0 dequeue */
/* CAN_RFIFO1 */
#define CAN_RFIFO1_RFL1 BITS(0,1) /*!< receive FIFO1 length */
#define CAN_RFIFO1_RFF1 BIT(3) /*!< receive FIFO1 full */
#define CAN_RFIFO1_RFO1 BIT(4) /*!< receive FIFO1 overfull */
#define CAN_RFIFO1_RFD1 BIT(5) /*!< receive FIFO1 dequeue */
/* CAN_INTEN */
#define CAN_INTEN_TMEIE BIT(0) /*!< transmit mailbox empty interrupt enable */
#define CAN_INTEN_RFNEIE0 BIT(1) /*!< receive FIFO0 not empty interrupt enable */
#define CAN_INTEN_RFFIE0 BIT(2) /*!< receive FIFO0 full interrupt enable */
#define CAN_INTEN_RFOIE0 BIT(3) /*!< receive FIFO0 overfull interrupt enable */
#define CAN_INTEN_RFNEIE1 BIT(4) /*!< receive FIFO1 not empty interrupt enable */
#define CAN_INTEN_RFFIE1 BIT(5) /*!< receive FIFO1 full interrupt enable */
#define CAN_INTEN_RFOIE1 BIT(6) /*!< receive FIFO1 overfull interrupt enable */
#define CAN_INTEN_WERRIE BIT(8) /*!< warning error interrupt enable */
#define CAN_INTEN_PERRIE BIT(9) /*!< passive error interrupt enable */
#define CAN_INTEN_BOIE BIT(10) /*!< bus-off interrupt enable */
#define CAN_INTEN_ERRNIE BIT(11) /*!< error number interrupt enable */
#define CAN_INTEN_ERRIE BIT(15) /*!< error interrupt enable */
#define CAN_INTEN_WIE BIT(16) /*!< wakeup interrupt enable */
#define CAN_INTEN_SLPWIE BIT(17) /*!< sleep working interrupt enable */
/* CAN_ERR */
#define CAN_ERR_WERR BIT(0) /*!< warning error */
#define CAN_ERR_PERR BIT(1) /*!< passive error */
#define CAN_ERR_BOERR BIT(2) /*!< bus-off error */
#define CAN_ERR_ERRN BITS(4,6) /*!< error number */
#define CAN_ERR_TECNT BITS(16,23) /*!< transmit error count */
#define CAN_ERR_RECNT BITS(24,31) /*!< receive error count */
/* CAN_BT */
#define CAN_BT_BAUDPSC BITS(0,9) /*!< baudrate prescaler */
#define CAN_BT_BS1 BITS(16,19) /*!< bit segment 1 */
#define CAN_BT_BS2 BITS(20,22) /*!< bit segment 2 */
#define CAN_BT_SJW BITS(24,25) /*!< resynchronization jump width */
#define CAN_BT_LCMOD BIT(30) /*!< loopback communication mode */
#define CAN_BT_SCMOD BIT(31) /*!< silent communication mode */
/* CAN_TMIx */
#define CAN_TMI_TEN BIT(0) /*!< transmit enable */
#define CAN_TMI_FT BIT(1) /*!< frame type */
#define CAN_TMI_FF BIT(2) /*!< frame format */
#define CAN_TMI_EFID BITS(3,31) /*!< the frame identifier */
#define CAN_TMI_SFID BITS(21,31) /*!< the frame identifier */
/* CAN_TMPx */
#define CAN_TMP_DLENC BITS(0,3) /*!< data length code */
#define CAN_TMP_TSEN BIT(8) /*!< time stamp enable */
#define CAN_TMP_TS BITS(16,31) /*!< time stamp */
/* CAN_TMDATA0x */
#define CAN_TMDATA0_DB0 BITS(0,7) /*!< transmit data byte 0 */
#define CAN_TMDATA0_DB1 BITS(8,15) /*!< transmit data byte 1 */
#define CAN_TMDATA0_DB2 BITS(16,23) /*!< transmit data byte 2 */
#define CAN_TMDATA0_DB3 BITS(24,31) /*!< transmit data byte 3 */
/* CAN_TMDATA1x */
#define CAN_TMDATA1_DB4 BITS(0,7) /*!< transmit data byte 4 */
#define CAN_TMDATA1_DB5 BITS(8,15) /*!< transmit data byte 5 */
#define CAN_TMDATA1_DB6 BITS(16,23) /*!< transmit data byte 6 */
#define CAN_TMDATA1_DB7 BITS(24,31) /*!< transmit data byte 7 */
/* CAN_RFIFOMIx */
#define CAN_RFIFOMI_FT BIT(1) /*!< frame type */
#define CAN_RFIFOMI_FF BIT(2) /*!< frame format */
#define CAN_RFIFOMI_EFID BITS(3,31) /*!< the frame identifier */
#define CAN_RFIFOMI_SFID BITS(21,31) /*!< the frame identifier */
/* CAN_RFIFOMPx */
#define CAN_RFIFOMP_DLENC BITS(0,3) /*!< receive data length code */
#define CAN_RFIFOMP_FI BITS(8,15) /*!< filter index */
#define CAN_RFIFOMP_TS BITS(16,31) /*!< time stamp */
/* CAN_RFIFOMDATA0x */
#define CAN_RFIFOMDATA0_DB0 BITS(0,7) /*!< receive data byte 0 */
#define CAN_RFIFOMDATA0_DB1 BITS(8,15) /*!< receive data byte 1 */
#define CAN_RFIFOMDATA0_DB2 BITS(16,23) /*!< receive data byte 2 */
#define CAN_RFIFOMDATA0_DB3 BITS(24,31) /*!< receive data byte 3 */
/* CAN_RFIFOMDATA1x */
#define CAN_RFIFOMDATA1_DB4 BITS(0,7) /*!< receive data byte 4 */
#define CAN_RFIFOMDATA1_DB5 BITS(8,15) /*!< receive data byte 5 */
#define CAN_RFIFOMDATA1_DB6 BITS(16,23) /*!< receive data byte 6 */
#define CAN_RFIFOMDATA1_DB7 BITS(24,31) /*!< receive data byte 7 */
/* CAN_FCTL */
#define CAN_FCTL_FLD BIT(0) /*!< filter lock disable */
#define CAN_FCTL_HBC1F BITS(8,13) /*!< header bank of CAN1 filter */
/* CAN_FMCFG */
#define CAN_FMCFG_FMOD(regval) BIT(regval) /*!< filter mode, list or mask*/
/* CAN_FSCFG */
#define CAN_FSCFG_FS(regval) BIT(regval) /*!< filter scale, 32 bits or 16 bits*/
/* CAN_FAFIFO */
#define CAN_FAFIFOR_FAF(regval) BIT(regval) /*!< filter associated with FIFO */
/* CAN_FW */
#define CAN_FW_FW(regval) BIT(regval) /*!< filter working */
/* CAN_FxDATAy */
#define CAN_FDATA_FD(regval) BIT(regval) /*!< filter data */
/* consts definitions */
/* define the CAN bit position and its register index offset */
#define CAN_REGIDX_BIT(regidx, bitpos) (((uint32_t)(regidx) << 6) | (uint32_t)(bitpos))
#define CAN_REG_VAL(canx, offset) (REG32((canx) + ((uint32_t)(offset) >> 6)))
#define CAN_BIT_POS(val) ((uint32_t)(val) & 0x1FU)
#define CAN_REGIDX_BITS(regidx, bitpos0, bitpos1) (((uint32_t)(regidx) << 12) | ((uint32_t)(bitpos0) << 6) | (uint32_t)(bitpos1))
#define CAN_REG_VALS(canx, offset) (REG32((canx) + ((uint32_t)(offset) >> 12)))
#define CAN_BIT_POS0(val) (((uint32_t)(val) >> 6) & 0x1FU)
#define CAN_BIT_POS1(val) ((uint32_t)(val) & 0x1FU)
/* register offset */
#define STAT_REG_OFFSET ((uint8_t)0x04U) /*!< STAT register offset */
#define TSTAT_REG_OFFSET ((uint8_t)0x08U) /*!< TSTAT register offset */
#define RFIFO0_REG_OFFSET ((uint8_t)0x0CU) /*!< RFIFO0 register offset */
#define RFIFO1_REG_OFFSET ((uint8_t)0x10U) /*!< RFIFO1 register offset */
#define ERR_REG_OFFSET ((uint8_t)0x18U) /*!< ERR register offset */
/* CAN flags */
typedef enum
{
/* flags in STAT register */
CAN_FLAG_RXL = CAN_REGIDX_BIT(STAT_REG_OFFSET, 11U), /*!< RX level */
CAN_FLAG_LASTRX = CAN_REGIDX_BIT(STAT_REG_OFFSET, 10U), /*!< last sample value of RX pin */
CAN_FLAG_RS = CAN_REGIDX_BIT(STAT_REG_OFFSET, 9U), /*!< receiving state */
CAN_FLAG_TS = CAN_REGIDX_BIT(STAT_REG_OFFSET, 8U), /*!< transmitting state */
CAN_FLAG_SLPIF = CAN_REGIDX_BIT(STAT_REG_OFFSET, 4U), /*!< status change flag of entering sleep working mode */
CAN_FLAG_WUIF = CAN_REGIDX_BIT(STAT_REG_OFFSET, 3U), /*!< status change flag of wakeup from sleep working mode */
CAN_FLAG_ERRIF = CAN_REGIDX_BIT(STAT_REG_OFFSET, 2U), /*!< error flag */
CAN_FLAG_SLPWS = CAN_REGIDX_BIT(STAT_REG_OFFSET, 1U), /*!< sleep working state */
CAN_FLAG_IWS = CAN_REGIDX_BIT(STAT_REG_OFFSET, 0U), /*!< initial working state */
/* flags in TSTAT register */
CAN_FLAG_TMLS2 = CAN_REGIDX_BIT(TSTAT_REG_OFFSET, 31U), /*!< transmit mailbox 2 last sending in Tx FIFO */
CAN_FLAG_TMLS1 = CAN_REGIDX_BIT(TSTAT_REG_OFFSET, 30U), /*!< transmit mailbox 1 last sending in Tx FIFO */
CAN_FLAG_TMLS0 = CAN_REGIDX_BIT(TSTAT_REG_OFFSET, 29U), /*!< transmit mailbox 0 last sending in Tx FIFO */
CAN_FLAG_TME2 = CAN_REGIDX_BIT(TSTAT_REG_OFFSET, 28U), /*!< transmit mailbox 2 empty */
CAN_FLAG_TME1 = CAN_REGIDX_BIT(TSTAT_REG_OFFSET, 27U), /*!< transmit mailbox 1 empty */
CAN_FLAG_TME0 = CAN_REGIDX_BIT(TSTAT_REG_OFFSET, 26U), /*!< transmit mailbox 0 empty */
CAN_FLAG_MTE2 = CAN_REGIDX_BIT(TSTAT_REG_OFFSET, 19U), /*!< mailbox 2 transmit error */
CAN_FLAG_MTE1 = CAN_REGIDX_BIT(TSTAT_REG_OFFSET, 11U), /*!< mailbox 1 transmit error */
CAN_FLAG_MTE0 = CAN_REGIDX_BIT(TSTAT_REG_OFFSET, 3U), /*!< mailbox 0 transmit error */
CAN_FLAG_MAL2 = CAN_REGIDX_BIT(TSTAT_REG_OFFSET, 18U), /*!< mailbox 2 arbitration lost */
CAN_FLAG_MAL1 = CAN_REGIDX_BIT(TSTAT_REG_OFFSET, 10U), /*!< mailbox 1 arbitration lost */
CAN_FLAG_MAL0 = CAN_REGIDX_BIT(TSTAT_REG_OFFSET, 2U), /*!< mailbox 0 arbitration lost */
CAN_FLAG_MTFNERR2 = CAN_REGIDX_BIT(TSTAT_REG_OFFSET, 17U), /*!< mailbox 2 transmit finished with no error */
CAN_FLAG_MTFNERR1 = CAN_REGIDX_BIT(TSTAT_REG_OFFSET, 9U), /*!< mailbox 1 transmit finished with no error */
CAN_FLAG_MTFNERR0 = CAN_REGIDX_BIT(TSTAT_REG_OFFSET, 1U), /*!< mailbox 0 transmit finished with no error */
CAN_FLAG_MTF2 = CAN_REGIDX_BIT(TSTAT_REG_OFFSET, 16U), /*!< mailbox 2 transmit finished */
CAN_FLAG_MTF1 = CAN_REGIDX_BIT(TSTAT_REG_OFFSET, 8U), /*!< mailbox 1 transmit finished */
CAN_FLAG_MTF0 = CAN_REGIDX_BIT(TSTAT_REG_OFFSET, 0U), /*!< mailbox 0 transmit finished */
/* flags in RFIFO0 register */
CAN_FLAG_RFO0 = CAN_REGIDX_BIT(RFIFO0_REG_OFFSET, 4U), /*!< receive FIFO0 overfull */
CAN_FLAG_RFF0 = CAN_REGIDX_BIT(RFIFO0_REG_OFFSET, 3U), /*!< receive FIFO0 full */
/* flags in RFIFO1 register */
CAN_FLAG_RFO1 = CAN_REGIDX_BIT(RFIFO1_REG_OFFSET, 4U), /*!< receive FIFO1 overfull */
CAN_FLAG_RFF1 = CAN_REGIDX_BIT(RFIFO1_REG_OFFSET, 3U), /*!< receive FIFO1 full */
/* flags in ERR register */
CAN_FLAG_BOERR = CAN_REGIDX_BIT(ERR_REG_OFFSET, 2U), /*!< bus-off error */
CAN_FLAG_PERR = CAN_REGIDX_BIT(ERR_REG_OFFSET, 1U), /*!< passive error */
CAN_FLAG_WERR = CAN_REGIDX_BIT(ERR_REG_OFFSET, 0U), /*!< warning error */
}can_flag_enum;
/* CAN interrupt flags */
typedef enum
{
/* interrupt flags in STAT register */
CAN_INT_FLAG_SLPIF = CAN_REGIDX_BITS(STAT_REG_OFFSET, 4U, 17U), /*!< status change interrupt flag of sleep working mode entering */
CAN_INT_FLAG_WUIF = CAN_REGIDX_BITS(STAT_REG_OFFSET, 3U, 16), /*!< status change interrupt flag of wakeup from sleep working mode */
CAN_INT_FLAG_ERRIF = CAN_REGIDX_BITS(STAT_REG_OFFSET, 2U, 15), /*!< error interrupt flag */
/* interrupt flags in TSTAT register */
CAN_INT_FLAG_MTF2 = CAN_REGIDX_BITS(TSTAT_REG_OFFSET, 16U, 0U), /*!< mailbox 2 transmit finished interrupt flag */
CAN_INT_FLAG_MTF1 = CAN_REGIDX_BITS(TSTAT_REG_OFFSET, 8U, 0U), /*!< mailbox 1 transmit finished interrupt flag */
CAN_INT_FLAG_MTF0 = CAN_REGIDX_BITS(TSTAT_REG_OFFSET, 0U, 0U), /*!< mailbox 0 transmit finished interrupt flag */
/* interrupt flags in RFIFO0 register */
CAN_INT_FLAG_RFO0 = CAN_REGIDX_BITS(RFIFO0_REG_OFFSET, 4U, 3U), /*!< receive FIFO0 overfull interrupt flag */
CAN_INT_FLAG_RFF0 = CAN_REGIDX_BITS(RFIFO0_REG_OFFSET, 3U, 2U), /*!< receive FIFO0 full interrupt flag */
CAN_INT_FLAG_RFL0 = CAN_REGIDX_BITS(RFIFO0_REG_OFFSET, 2U, 1U), /*!< receive FIFO0 not empty interrupt flag */
/* interrupt flags in RFIFO0 register */
CAN_INT_FLAG_RFO1 = CAN_REGIDX_BITS(RFIFO1_REG_OFFSET, 4U, 6U), /*!< receive FIFO1 overfull interrupt flag */
CAN_INT_FLAG_RFF1 = CAN_REGIDX_BITS(RFIFO1_REG_OFFSET, 3U, 5U), /*!< receive FIFO1 full interrupt flag */
CAN_INT_FLAG_RFL1 = CAN_REGIDX_BITS(RFIFO1_REG_OFFSET, 2U, 4U), /*!< receive FIFO0 not empty interrupt flag */
/* interrupt flags in ERR register */
CAN_INT_FLAG_ERRN = CAN_REGIDX_BITS(ERR_REG_OFFSET, 3U, 11U), /*!< error number interrupt flag */
CAN_INT_FLAG_BOERR = CAN_REGIDX_BITS(ERR_REG_OFFSET, 2U, 10U), /*!< bus-off error interrupt flag */
CAN_INT_FLAG_PERR = CAN_REGIDX_BITS(ERR_REG_OFFSET, 1U, 9U), /*!< passive error interrupt flag */
CAN_INT_FLAG_WERR = CAN_REGIDX_BITS(ERR_REG_OFFSET, 0U, 8U), /*!< warning error interrupt flag */
}can_interrupt_flag_enum;
/* CAN initiliaze parameters struct */
typedef struct
{
uint8_t working_mode; /*!< CAN working mode */
uint8_t resync_jump_width; /*!< CAN resynchronization jump width */
uint8_t time_segment_1; /*!< time segment 1 */
uint8_t time_segment_2; /*!< time segment 2 */
ControlStatus time_triggered; /*!< time triggered communication mode */
ControlStatus auto_bus_off_recovery; /*!< automatic bus-off recovery */
ControlStatus auto_wake_up; /*!< automatic wake-up mode */
ControlStatus no_auto_retrans; /*!< automatic retransmission mode disable */
ControlStatus rec_fifo_overwrite; /*!< receive FIFO overwrite mode */
ControlStatus trans_fifo_order; /*!< transmit FIFO order */
uint16_t prescaler; /*!< baudrate prescaler */
}can_parameter_struct;
/* CAN transmit message struct */
typedef struct
{
uint32_t tx_sfid; /*!< standard format frame identifier */
uint32_t tx_efid; /*!< extended format frame identifier */
uint8_t tx_ff; /*!< format of frame, standard or extended format */
uint8_t tx_ft; /*!< type of frame, data or remote */
uint8_t tx_dlen; /*!< data length */
uint8_t tx_data[8]; /*!< transmit data */
}can_trasnmit_message_struct;
/* CAN receive message struct */
typedef struct
{
uint32_t rx_sfid; /*!< standard format frame identifier */
uint32_t rx_efid; /*!< extended format frame identifier */
uint8_t rx_ff; /*!< format of frame, standard or extended format */
uint8_t rx_ft; /*!< type of frame, data or remote */
uint8_t rx_dlen; /*!< data length */
uint8_t rx_data[8]; /*!< receive data */
uint8_t rx_fi; /*!< filtering index */
} can_receive_message_struct;
/* CAN filter parameters struct */
typedef struct
{
uint16_t filter_list_high; /*!< filter list number high bits*/
uint16_t filter_list_low; /*!< filter list number low bits */
uint16_t filter_mask_high; /*!< filter mask number high bits */
uint16_t filter_mask_low; /*!< filter mask number low bits */
uint16_t filter_fifo_number; /*!< receive FIFO associated with the filter */
uint16_t filter_number; /*!< filter number */
uint16_t filter_mode; /*!< filter mode, list or mask */
uint16_t filter_bits; /*!< filter scale */
ControlStatus filter_enable; /*!< filter work or not */
}can_filter_parameter_struct;
/* CAN errors */
typedef enum
{
CAN_ERROR_NONE = 0, /*!< no error */
CAN_ERROR_FILL, /*!< fill error */
CAN_ERROR_FORMATE, /*!< format error */
CAN_ERROR_ACK, /*!< ACK error */
CAN_ERROR_BITRECESSIVE, /*!< bit recessive error */
CAN_ERROR_BITDOMINANTER, /*!< bit dominant error */
CAN_ERROR_CRC, /*!< CRC error */
CAN_ERROR_SOFTWARECFG, /*!< software configure */
}can_error_enum;
/* transmit states */
typedef enum
{
CAN_TRANSMIT_FAILED = 0U, /*!< CAN transmitted failure */
CAN_TRANSMIT_OK = 1U, /*!< CAN transmitted success */
CAN_TRANSMIT_PENDING = 2U, /*!< CAN transmitted pending */
CAN_TRANSMIT_NOMAILBOX = 4U, /*!< no empty mailbox to be used for CAN */
}can_transmit_state_enum;
typedef enum
{
CAN_INIT_STRUCT = 0, /* CAN initiliaze parameters struct */
CAN_FILTER_STRUCT, /* CAN filter parameters struct */
CAN_TX_MESSAGE_STRUCT, /* CAN transmit message struct */
CAN_RX_MESSAGE_STRUCT, /* CAN receive message struct */
}can_struct_type_enum;
/* CAN baudrate prescaler*/
#define BT_BAUDPSC(regval) (BITS(0,9) & ((uint32_t)(regval) << 0))
/* CAN bit segment 1*/
#define BT_BS1(regval) (BITS(16,19) & ((uint32_t)(regval) << 16))
/* CAN bit segment 2*/
#define BT_BS2(regval) (BITS(20,22) & ((uint32_t)(regval) << 20))
/* CAN resynchronization jump width*/
#define BT_SJW(regval) (BITS(24,25) & ((uint32_t)(regval) << 24))
/* CAN communication mode*/
#define BT_MODE(regval) (BITS(30,31) & ((uint32_t)(regval) << 30))
/* CAN FDATA high 16 bits */
#define FDATA_MASK_HIGH(regval) (BITS(16,31) & ((uint32_t)(regval) << 16))
/* CAN FDATA low 16 bits */
#define FDATA_MASK_LOW(regval) (BITS(0,15) & ((uint32_t)(regval) << 0))
/* CAN1 filter start bank_number*/
#define FCTL_HBC1F(regval) (BITS(8,13) & ((uint32_t)(regval) << 8))
/* CAN transmit mailbox extended identifier*/
#define TMI_EFID(regval) (BITS(3,31) & ((uint32_t)(regval) << 3))
/* CAN transmit mailbox standard identifier*/
#define TMI_SFID(regval) (BITS(21,31) & ((uint32_t)(regval) << 21))
/* transmit data byte 0 */
#define TMDATA0_DB0(regval) (BITS(0,7) & ((uint32_t)(regval) << 0))
/* transmit data byte 1 */
#define TMDATA0_DB1(regval) (BITS(8,15) & ((uint32_t)(regval) << 8))
/* transmit data byte 2 */
#define TMDATA0_DB2(regval) (BITS(16,23) & ((uint32_t)(regval) << 16))
/* transmit data byte 3 */
#define TMDATA0_DB3(regval) (BITS(24,31) & ((uint32_t)(regval) << 24))
/* transmit data byte 4 */
#define TMDATA1_DB4(regval) (BITS(0,7) & ((uint32_t)(regval) << 0))
/* transmit data byte 5 */
#define TMDATA1_DB5(regval) (BITS(8,15) & ((uint32_t)(regval) << 8))
/* transmit data byte 6 */
#define TMDATA1_DB6(regval) (BITS(16,23) & ((uint32_t)(regval) << 16))
/* transmit data byte 7 */
#define TMDATA1_DB7(regval) (BITS(24,31) & ((uint32_t)(regval) << 24))
/* receive mailbox extended identifier*/
#define GET_RFIFOMI_EFID(regval) GET_BITS((uint32_t)(regval), 3U, 31U)
/* receive mailbox standrad identifier*/
#define GET_RFIFOMI_SFID(regval) GET_BITS((uint32_t)(regval), 21U, 31U)
/* receive data length */
#define GET_RFIFOMP_DLENC(regval) GET_BITS((uint32_t)(regval), 0U, 3U)
/* the index of the filter by which the frame is passed */
#define GET_RFIFOMP_FI(regval) GET_BITS((uint32_t)(regval), 8U, 15U)
/* receive data byte 0 */
#define GET_RFIFOMDATA0_DB0(regval) GET_BITS((uint32_t)(regval), 0U, 7U)
/* receive data byte 1 */
#define GET_RFIFOMDATA0_DB1(regval) GET_BITS((uint32_t)(regval), 8U, 15U)
/* receive data byte 2 */
#define GET_RFIFOMDATA0_DB2(regval) GET_BITS((uint32_t)(regval), 16U, 23U)
/* receive data byte 3 */
#define GET_RFIFOMDATA0_DB3(regval) GET_BITS((uint32_t)(regval), 24U, 31U)
/* receive data byte 4 */
#define GET_RFIFOMDATA1_DB4(regval) GET_BITS((uint32_t)(regval), 0U, 7U)
/* receive data byte 5 */
#define GET_RFIFOMDATA1_DB5(regval) GET_BITS((uint32_t)(regval), 8U, 15U)
/* receive data byte 6 */
#define GET_RFIFOMDATA1_DB6(regval) GET_BITS((uint32_t)(regval), 16U, 23U)
/* receive data byte 7 */
#define GET_RFIFOMDATA1_DB7(regval) GET_BITS((uint32_t)(regval), 24U, 31U)
/* error number */
#define GET_ERR_ERRN(regval) GET_BITS((uint32_t)(regval), 4U, 6U)
/* transmit error count */
#define GET_ERR_TECNT(regval) GET_BITS((uint32_t)(regval), 16U, 23U)
/* receive error count */
#define GET_ERR_RECNT(regval) GET_BITS((uint32_t)(regval), 24U, 31U)
/* CAN errors */
#define ERR_ERRN(regval) (BITS(4,6) & ((uint32_t)(regval) << 4))
#define CAN_ERRN_0 ERR_ERRN(0U) /* no error */
#define CAN_ERRN_1 ERR_ERRN(1U) /*!< fill error */
#define CAN_ERRN_2 ERR_ERRN(2U) /*!< format error */
#define CAN_ERRN_3 ERR_ERRN(3U) /*!< ACK error */
#define CAN_ERRN_4 ERR_ERRN(4U) /*!< bit recessive error */
#define CAN_ERRN_5 ERR_ERRN(5U) /*!< bit dominant error */
#define CAN_ERRN_6 ERR_ERRN(6U) /*!< CRC error */
#define CAN_ERRN_7 ERR_ERRN(7U) /*!< software error */
#define CAN_STATE_PENDING ((uint32_t)0x00000000U) /*!< CAN pending */
/* CAN communication mode */
#define CAN_NORMAL_MODE ((uint8_t)0x00U) /*!< normal communication mode */
#define CAN_LOOPBACK_MODE ((uint8_t)0x01U) /*!< loopback communication mode */
#define CAN_SILENT_MODE ((uint8_t)0x02U) /*!< silent communication mode */
#define CAN_SILENT_LOOPBACK_MODE ((uint8_t)0x03U) /*!< loopback and silent communication mode */
/* CAN resynchronisation jump width */
#define CAN_BT_SJW_1TQ ((uint8_t)0x00U) /*!< 1 time quanta */
#define CAN_BT_SJW_2TQ ((uint8_t)0x01U) /*!< 2 time quanta */
#define CAN_BT_SJW_3TQ ((uint8_t)0x02U) /*!< 3 time quanta */
#define CAN_BT_SJW_4TQ ((uint8_t)0x03U) /*!< 4 time quanta */
/* CAN time segment 1 */
#define CAN_BT_BS1_1TQ ((uint8_t)0x00U) /*!< 1 time quanta */
#define CAN_BT_BS1_2TQ ((uint8_t)0x01U) /*!< 2 time quanta */
#define CAN_BT_BS1_3TQ ((uint8_t)0x02U) /*!< 3 time quanta */
#define CAN_BT_BS1_4TQ ((uint8_t)0x03U) /*!< 4 time quanta */
#define CAN_BT_BS1_5TQ ((uint8_t)0x04U) /*!< 5 time quanta */
#define CAN_BT_BS1_6TQ ((uint8_t)0x05U) /*!< 6 time quanta */
#define CAN_BT_BS1_7TQ ((uint8_t)0x06U) /*!< 7 time quanta */
#define CAN_BT_BS1_8TQ ((uint8_t)0x07U) /*!< 8 time quanta */
#define CAN_BT_BS1_9TQ ((uint8_t)0x08U) /*!< 9 time quanta */
#define CAN_BT_BS1_10TQ ((uint8_t)0x09U) /*!< 10 time quanta */
#define CAN_BT_BS1_11TQ ((uint8_t)0x0AU) /*!< 11 time quanta */
#define CAN_BT_BS1_12TQ ((uint8_t)0x0BU) /*!< 12 time quanta */
#define CAN_BT_BS1_13TQ ((uint8_t)0x0CU) /*!< 13 time quanta */
#define CAN_BT_BS1_14TQ ((uint8_t)0x0DU) /*!< 14 time quanta */
#define CAN_BT_BS1_15TQ ((uint8_t)0x0EU) /*!< 15 time quanta */
#define CAN_BT_BS1_16TQ ((uint8_t)0x0FU) /*!< 16 time quanta */
/* CAN time segment 2 */
#define CAN_BT_BS2_1TQ ((uint8_t)0x00U) /*!< 1 time quanta */
#define CAN_BT_BS2_2TQ ((uint8_t)0x01U) /*!< 2 time quanta */
#define CAN_BT_BS2_3TQ ((uint8_t)0x02U) /*!< 3 time quanta */
#define CAN_BT_BS2_4TQ ((uint8_t)0x03U) /*!< 4 time quanta */
#define CAN_BT_BS2_5TQ ((uint8_t)0x04U) /*!< 5 time quanta */
#define CAN_BT_BS2_6TQ ((uint8_t)0x05U) /*!< 6 time quanta */
#define CAN_BT_BS2_7TQ ((uint8_t)0x06U) /*!< 7 time quanta */
#define CAN_BT_BS2_8TQ ((uint8_t)0x07U) /*!< 8 time quanta */
/* CAN mailbox number */
#define CAN_MAILBOX0 ((uint8_t)0x00U) /*!< mailbox0 */
#define CAN_MAILBOX1 ((uint8_t)0x01U) /*!< mailbox1 */
#define CAN_MAILBOX2 ((uint8_t)0x02U) /*!< mailbox2 */
#define CAN_NOMAILBOX ((uint8_t)0x03U) /*!< no mailbox empty */
/* CAN frame format */
#define CAN_FF_STANDARD ((uint32_t)0x00000000U) /*!< standard frame */
#define CAN_FF_EXTENDED ((uint32_t)0x00000004U) /*!< extended frame */
/* CAN receive fifo */
#define CAN_FIFO0 ((uint8_t)0x00U) /*!< receive FIFO0 */
#define CAN_FIFO1 ((uint8_t)0x01U) /*!< receive FIFO1 */
/* frame number of receive fifo */
#define CAN_RFIF_RFL_MASK ((uint32_t)0x00000003U) /*!< mask for frame number in receive FIFOx */
#define CAN_SFID_MASK ((uint32_t)0x000007FFU) /*!< mask of standard identifier */
#define CAN_EFID_MASK ((uint32_t)0x1FFFFFFFU) /*!< mask of extended identifier */
/* CAN working mode */
#define CAN_MODE_INITIALIZE ((uint8_t)0x01U) /*!< CAN initialize mode */
#define CAN_MODE_NORMAL ((uint8_t)0x02U) /*!< CAN normal mode */
#define CAN_MODE_SLEEP ((uint8_t)0x04U) /*!< CAN sleep mode */
/* filter bits */
#define CAN_FILTERBITS_16BIT ((uint8_t)0x00U) /*!< CAN filter 16 bits */
#define CAN_FILTERBITS_32BIT ((uint8_t)0x01U) /*!< CAN filter 32 bits */
/* filter mode */
#define CAN_FILTERMODE_MASK ((uint8_t)0x00U) /*!< mask mode */
#define CAN_FILTERMODE_LIST ((uint8_t)0x01U) /*!< list mode */
/* filter 16 bits mask */
#define CAN_FILTER_MASK_16BITS ((uint32_t)0x0000FFFFU) /*!< can filter 16 bits mask */
/* frame type */
#define CAN_FT_DATA ((uint32_t)0x00000000U) /*!< data frame */
#define CAN_FT_REMOTE ((uint32_t)0x00000002U) /*!< remote frame */
/* CAN timeout */
#define CAN_TIMEOUT ((uint32_t)0x0000FFFFU) /*!< timeout value */
/* interrupt enable bits */
#define CAN_INT_TME CAN_INTEN_TMEIE /*!< transmit mailbox empty interrupt enable */
#define CAN_INT_RFNE0 CAN_INTEN_RFNEIE0 /*!< receive FIFO0 not empty interrupt enable */
#define CAN_INT_RFF0 CAN_INTEN_RFFIE0 /*!< receive FIFO0 full interrupt enable */
#define CAN_INT_RFO0 CAN_INTEN_RFOIE0 /*!< receive FIFO0 overfull interrupt enable */
#define CAN_INT_RFNE1 CAN_INTEN_RFNEIE1 /*!< receive FIFO1 not empty interrupt enable */
#define CAN_INT_RFF1 CAN_INTEN_RFFIE1 /*!< receive FIFO1 full interrupt enable */
#define CAN_INT_RFO1 CAN_INTEN_RFOIE1 /*!< receive FIFO1 overfull interrupt enable */
#define CAN_INT_WERR CAN_INTEN_WERRIE /*!< warning error interrupt enable */
#define CAN_INT_PERR CAN_INTEN_PERRIE /*!< passive error interrupt enable */
#define CAN_INT_BO CAN_INTEN_BOIE /*!< bus-off interrupt enable */
#define CAN_INT_ERRN CAN_INTEN_ERRNIE /*!< error number interrupt enable */
#define CAN_INT_ERR CAN_INTEN_ERRIE /*!< error interrupt enable */
#define CAN_INT_WAKEUP CAN_INTEN_WIE /*!< wakeup interrupt enable */
#define CAN_INT_SLPW CAN_INTEN_SLPWIE /*!< sleep working interrupt enable */
/* function declarations */
/* deinitialize CAN */
void can_deinit(uint32_t can_periph);
/* initialize CAN struct */
void can_struct_para_init(can_struct_type_enum type, void* p_struct);
/* initialize CAN */
ErrStatus can_init(uint32_t can_periph, can_parameter_struct* can_parameter_init);
/* CAN filter init */
void can_filter_init(can_filter_parameter_struct* can_filter_parameter_init);
/* set can1 fliter start bank number */
void can1_filter_start_bank(uint8_t start_bank);
/* enable functions */
/* CAN debug freeze enable */
void can_debug_freeze_enable(uint32_t can_periph);
/* CAN debug freeze disable */
void can_debug_freeze_disable(uint32_t can_periph);
/* CAN time trigger mode enable */
void can_time_trigger_mode_enable(uint32_t can_periph);
/* CAN time trigger mode disable */
void can_time_trigger_mode_disable(uint32_t can_periph);
/* transmit functions */
/* transmit CAN message */
uint8_t can_message_transmit(uint32_t can_periph, can_trasnmit_message_struct* transmit_message);
/* get CAN transmit state */
can_transmit_state_enum can_transmit_states(uint32_t can_periph, uint8_t mailbox_number);
/* stop CAN transmission */
void can_transmission_stop(uint32_t can_periph, uint8_t mailbox_number);
/* CAN receive message */
void can_message_receive(uint32_t can_periph, uint8_t fifo_number, can_receive_message_struct* receive_message);
/* CAN release fifo */
void can_fifo_release(uint32_t can_periph, uint8_t fifo_number);
/* CAN receive message length */
uint8_t can_receive_message_length_get(uint32_t can_periph, uint8_t fifo_number);
/* CAN working mode */
ErrStatus can_working_mode_set(uint32_t can_periph, uint8_t working_mode);
/* CAN wakeup from sleep mode */
ErrStatus can_wakeup(uint32_t can_periph);
/* CAN get error */
can_error_enum can_error_get(uint32_t can_periph);
/* get CAN receive error number */
uint8_t can_receive_error_number_get(uint32_t can_periph);
/* get CAN transmit error number */
uint8_t can_transmit_error_number_get(uint32_t can_periph);
/* CAN interrupt enable */
void can_interrupt_enable(uint32_t can_periph, uint32_t interrupt);
/* CAN interrupt disable */
void can_interrupt_disable(uint32_t can_periph, uint32_t interrupt);
/* CAN get flag state */
FlagStatus can_flag_get(uint32_t can_periph, can_flag_enum flag);
/* CAN clear flag state */
void can_flag_clear(uint32_t can_periph, can_flag_enum flag);
/* CAN get interrupt flag state */
FlagStatus can_interrupt_flag_get(uint32_t can_periph, can_interrupt_flag_enum flag);
/* CAN clear interrupt flag state */
void can_interrupt_flag_clear(uint32_t can_periph, can_interrupt_flag_enum flag);
#endif /* GD32VF103_CAN_H */

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/*
* Copyright (C) 2020 Koen Zandberg <koen@bergzand.net>
*
* This file is subject to the terms and conditions of the GNU Lesser General
* Public License v2.1. See the file LICENSE in the top level directory for more
* details.
*/
/**
* @ingroup cpu_gd32v
* @{
*
* @file
* @brief Extra definitions for the GD32VF103 core missing from the
* other vendor definitions
*
* @author Koen Zandberg <koen@bergzand.net>
*/
#ifndef GD32VF103_CORE_H
#define GD32VF103_CORE_H
#include "vendor/gd32vf103.h"
#ifdef cplusplus
extern "C" {
#endif
#define _REG32(p, i) (*(volatile uint32_t *) ((p) + (i)))
#define _REG32P(p, i) ((volatile uint32_t *) ((p) + (i)))
/**
* @brief RISC-V ECLIC per interrupt configuration registers
*/
typedef struct __attribute((packed)) {
volatile uint8_t ip; /**< Interrupt pending */
volatile uint8_t ie; /**< Interrupt enable */
volatile uint8_t attr; /**< Interrupt attributes */
volatile uint8_t ctl; /**< Interrupt control */
} eclic_clicint_t;
/**
* @name RISC-V ECLIC definitions
* @{
*/
#define ECLIC_CTRL_ADDR 0xd2000000
#define ECLIC_REG(offset) _REG32(ECLIC_CTRL_ADDR, offset)
#define ECLIC_REGP(offset) _REG32P(ECLIC_CTRL_ADDR, offset)
#define ECLIC_CLICCFG *((volatile uint8_t*)ECLIC_REGP(0x0))
#define ECLIC_CLICINFO *((volatile uint32_t*)ECLIC_REGP(0x4)
#define ECLIC_CLICMTH *((volatile uint8_t*)ECLIC_REGP(0xb)
#define ECLIC_CLICINT_ADDR ECLIC_REGP(0x1000)
#define ECLIC_CLICINT ((volatile eclic_clicint_t *)ECLIC_CLICINT_ADDR)
/** @} */
/**
* @name RISC-V core timer definitions on the GD32V. No actual CLINT is present,
* but the core timer implements similar register definitions.
* @{
*/
#define CLINT_CTRL_ADDR 0xd1000000
#define CLINT_MTIME (0x0000U)
#define CLINT_MTIMECMP (0x0008U)
#define CLINT_MSTOP (0x0FF8U)
#define CLINT_MSIP (0x0FFCU)
#define CLINT_REG(offset) _REG32(CLINT_CTRL_ADDR, offset)
#define CLINT_FREQ_DIV (4U)
/** @} */
#ifdef cplusplus
}
#endif
#endif /* GD32VF103_CORE_H */

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/*!
\file gd32vf103_crc.h
\brief definitions for the CRC
\version 2019-06-05, V1.0.0, firmware for GD32VF103
*/
/*
Copyright (c) 2019, GigaDevice Semiconductor Inc.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
3. Neither the name of the copyright holder nor the names of its contributors
may be used to endorse or promote products derived from this software without
specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
OF SUCH DAMAGE.
*/
#ifndef GD32VF103_CRC_H
#define GD32VF103_CRC_H
#include "gd32vf103.h"
/* CRC definitions */
#define CRC CRC_BASE
/* registers definitions */
#define CRC_DATA REG32(CRC + 0x00U) /*!< CRC data register */
#define CRC_FDATA REG32(CRC + 0x04U) /*!< CRC free data register */
#define CRC_CTL REG32(CRC + 0x08U) /*!< CRC control register */
/* bits definitions */
/* CRC_DATA */
#define CRC_DATA_DATA BITS(0, 31) /*!< CRC calculation result bits */
/* CRC_FDATA */
#define CRC_FDATA_FDATA BITS(0, 7) /*!< CRC free data bits */
/* CRC_CTL */
#define CRC_CTL_RST BIT(0) /*!< CRC reset CRC_DATA register bit */
/* function declarations */
/* deinit CRC calculation unit */
void crc_deinit(void);
/* reset data register(CRC_DATA) to the value of 0xFFFFFFFF */
void crc_data_register_reset(void);
/* read the value of the data register */
uint32_t crc_data_register_read(void);
/* read the value of the free data register */
uint8_t crc_free_data_register_read(void);
/* write data to the free data register */
void crc_free_data_register_write(uint8_t free_data);
/* calculate the CRC value of a 32-bit data */
uint32_t crc_single_data_calculate(uint32_t sdata);
/* calculate the CRC value of an array of 32-bit values */
uint32_t crc_block_data_calculate(uint32_t array[], uint32_t size);
#endif /* GD32VF103_CRC_H */

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/*!
\file gd32vf103_dac.h
\brief definitions for the DAC
\version 2019-06-05, V1.0.0, firmware for GD32VF103
*/
/*
Copyright (c) 2019, GigaDevice Semiconductor Inc.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
3. Neither the name of the copyright holder nor the names of its contributors
may be used to endorse or promote products derived from this software without
specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
OF SUCH DAMAGE.
*/
#ifndef GD32VF103_DAC_H
#define GD32VF103_DAC_H
#include "gd32vf103.h"
/* DACx(x=0,1) definitions */
#define DAC DAC_BASE
#define DAC0 (0U)
#define DAC1 (1U)
/* registers definitions */
#define DAC_CTL REG32(DAC + 0x00U) /*!< DAC control register */
#define DAC_SWT REG32(DAC + 0x04U) /*!< DAC software trigger register */
#define DAC0_R12DH REG32(DAC + 0x08U) /*!< DAC0 12-bit right-aligned data holding register */
#define DAC0_L12DH REG32(DAC + 0x0CU) /*!< DAC0 12-bit left-aligned data holding register */
#define DAC0_R8DH REG32(DAC + 0x10U) /*!< DAC0 8-bit right-aligned data holding register */
#define DAC1_R12DH REG32(DAC + 0x14U) /*!< DAC1 12-bit right-aligned data holding register */
#define DAC1_L12DH REG32(DAC + 0x18U) /*!< DAC1 12-bit left-aligned data holding register */
#define DAC1_R8DH REG32(DAC + 0x1CU) /*!< DAC1 8-bit right-aligned data holding register */
#define DACC_R12DH REG32(DAC + 0x20U) /*!< DAC concurrent mode 12-bit right-aligned data holding register */
#define DACC_L12DH REG32(DAC + 0x24U) /*!< DAC concurrent mode 12-bit left-aligned data holding register */
#define DACC_R8DH REG32(DAC + 0x28U) /*!< DAC concurrent mode 8-bit right-aligned data holding register */
#define DAC0_DO REG32(DAC + 0x2CU) /*!< DAC0 data output register */
#define DAC1_DO REG32(DAC + 0x30U) /*!< DAC1 data output register */
/* bits definitions */
/* DAC_CTL */
#define DAC_CTL_DEN0 BIT(0) /*!< DAC0 enable/disable bit */
#define DAC_CTL_DBOFF0 BIT(1) /*!< DAC0 output buffer turn on/turn off bit */
#define DAC_CTL_DTEN0 BIT(2) /*!< DAC0 trigger enable/disable bit */
#define DAC_CTL_DTSEL0 BITS(3,5) /*!< DAC0 trigger source selection enable/disable bits */
#define DAC_CTL_DWM0 BITS(6,7) /*!< DAC0 noise wave mode */
#define DAC_CTL_DWBW0 BITS(8,11) /*!< DAC0 noise wave bit width */
#define DAC_CTL_DDMAEN0 BIT(12) /*!< DAC0 DMA enable/disable bit */
#define DAC_CTL_DEN1 BIT(16) /*!< DAC1 enable/disable bit */
#define DAC_CTL_DBOFF1 BIT(17) /*!< DAC1 output buffer turn on/turn off bit */
#define DAC_CTL_DTEN1 BIT(18) /*!< DAC1 trigger enable/disable bit */
#define DAC_CTL_DTSEL1 BITS(19,21) /*!< DAC1 trigger source selection enable/disable bits */
#define DAC_CTL_DWM1 BITS(22,23) /*!< DAC1 noise wave mode */
#define DAC_CTL_DWBW1 BITS(24,27) /*!< DAC1 noise wave bit width */
#define DAC_CTL_DDMAEN1 BIT(28) /*!< DAC1 DMA enable/disable bit */
/* DAC_SWT */
#define DAC_SWT_SWTR0 BIT(0) /*!< DAC0 software trigger bit, cleared by hardware */
#define DAC_SWT_SWTR1 BIT(1) /*!< DAC1 software trigger bit, cleared by hardware */
/* DAC0_R12DH */
#define DAC0_R12DH_DAC0_DH BITS(0,11) /*!< DAC0 12-bit right-aligned data bits */
/* DAC0_L12DH */
#define DAC0_L12DH_DAC0_DH BITS(4,15) /*!< DAC0 12-bit left-aligned data bits */
/* DAC0_R8DH */
#define DAC0_R8DH_DAC0_DH BITS(0,7) /*!< DAC0 8-bit right-aligned data bits */
/* DAC1_R12DH */
#define DAC1_R12DH_DAC1_DH BITS(0,11) /*!< DAC1 12-bit right-aligned data bits */
/* DAC1_L12DH */
#define DAC1_L12DH_DAC1_DH BITS(4,15) /*!< DAC1 12-bit left-aligned data bits */
/* DAC1_R8DH */
#define DAC1_R8DH_DAC1_DH BITS(0,7) /*!< DAC1 8-bit right-aligned data bits */
/* DACC_R12DH */
#define DACC_R12DH_DAC0_DH BITS(0,11) /*!< DAC concurrent mode DAC0 12-bit right-aligned data bits */
#define DACC_R12DH_DAC1_DH BITS(16,27) /*!< DAC concurrent mode DAC1 12-bit right-aligned data bits */
/* DACC_L12DH */
#define DACC_L12DH_DAC0_DH BITS(4,15) /*!< DAC concurrent mode DAC0 12-bit left-aligned data bits */
#define DACC_L12DH_DAC1_DH BITS(20,31) /*!< DAC concurrent mode DAC1 12-bit left-aligned data bits */
/* DACC_R8DH */
#define DACC_R8DH_DAC0_DH BITS(0,7) /*!< DAC concurrent mode DAC0 8-bit right-aligned data bits */
#define DACC_R8DH_DAC1_DH BITS(8,15) /*!< DAC concurrent mode DAC1 8-bit right-aligned data bits */
/* DAC0_DO */
#define DAC0_DO_DAC0_DO BITS(0,11) /*!< DAC0 12-bit output data bits */
/* DAC1_DO */
#define DAC1_DO_DAC1_DO BITS(0,11) /*!< DAC1 12-bit output data bits */
/* constants definitions */
/* DAC trigger source */
#define CTL_DTSEL(regval) (BITS(3,5) & ((uint32_t)(regval) << 3))
#define DAC_TRIGGER_T5_TRGO CTL_DTSEL(0) /*!< TIMER5 TRGO */
#define DAC_TRIGGER_T2_TRGO CTL_DTSEL(1) /*!< TIMER2 TRGO */
#define DAC_TRIGGER_T6_TRGO CTL_DTSEL(2) /*!< TIMER6 TRGO */
#define DAC_TRIGGER_T4_TRGO CTL_DTSEL(3) /*!< TIMER4 TRGO */
#define DAC_TRIGGER_T1_TRGO CTL_DTSEL(4) /*!< TIMER1 TRGO */
#define DAC_TRIGGER_T3_TRGO CTL_DTSEL(5) /*!< TIMER3 TRGO */
#define DAC_TRIGGER_EXTI_9 CTL_DTSEL(6) /*!< EXTI interrupt line9 event */
#define DAC_TRIGGER_SOFTWARE CTL_DTSEL(7) /*!< software trigger */
/* DAC noise wave mode */
#define CTL_DWM(regval) (BITS(6,7) & ((uint32_t)(regval) << 6))
#define DAC_WAVE_DISABLE CTL_DWM(0) /*!< wave disable */
#define DAC_WAVE_MODE_LFSR CTL_DWM(1) /*!< LFSR noise mode */
#define DAC_WAVE_MODE_TRIANGLE CTL_DWM(2) /*!< triangle noise mode */
/* DAC noise wave bit width */
#define DWBW(regval) (BITS(8,11) & ((uint32_t)(regval) << 8))
#define DAC_WAVE_BIT_WIDTH_1 DWBW(0) /*!< bit width of the wave signal is 1 */
#define DAC_WAVE_BIT_WIDTH_2 DWBW(1) /*!< bit width of the wave signal is 2 */
#define DAC_WAVE_BIT_WIDTH_3 DWBW(2) /*!< bit width of the wave signal is 3 */
#define DAC_WAVE_BIT_WIDTH_4 DWBW(3) /*!< bit width of the wave signal is 4 */
#define DAC_WAVE_BIT_WIDTH_5 DWBW(4) /*!< bit width of the wave signal is 5 */
#define DAC_WAVE_BIT_WIDTH_6 DWBW(5) /*!< bit width of the wave signal is 6 */
#define DAC_WAVE_BIT_WIDTH_7 DWBW(6) /*!< bit width of the wave signal is 7 */
#define DAC_WAVE_BIT_WIDTH_8 DWBW(7) /*!< bit width of the wave signal is 8 */
#define DAC_WAVE_BIT_WIDTH_9 DWBW(8) /*!< bit width of the wave signal is 9 */
#define DAC_WAVE_BIT_WIDTH_10 DWBW(9) /*!< bit width of the wave signal is 10 */
#define DAC_WAVE_BIT_WIDTH_11 DWBW(10) /*!< bit width of the wave signal is 11 */
#define DAC_WAVE_BIT_WIDTH_12 DWBW(11) /*!< bit width of the wave signal is 12 */
/* unmask LFSR bits in DAC LFSR noise mode */
#define DAC_LFSR_BIT0 DAC_WAVE_BIT_WIDTH_1 /*!< unmask the LFSR bit0 */
#define DAC_LFSR_BITS1_0 DAC_WAVE_BIT_WIDTH_2 /*!< unmask the LFSR bits[1:0] */
#define DAC_LFSR_BITS2_0 DAC_WAVE_BIT_WIDTH_3 /*!< unmask the LFSR bits[2:0] */
#define DAC_LFSR_BITS3_0 DAC_WAVE_BIT_WIDTH_4 /*!< unmask the LFSR bits[3:0] */
#define DAC_LFSR_BITS4_0 DAC_WAVE_BIT_WIDTH_5 /*!< unmask the LFSR bits[4:0] */
#define DAC_LFSR_BITS5_0 DAC_WAVE_BIT_WIDTH_6 /*!< unmask the LFSR bits[5:0] */
#define DAC_LFSR_BITS6_0 DAC_WAVE_BIT_WIDTH_7 /*!< unmask the LFSR bits[6:0] */
#define DAC_LFSR_BITS7_0 DAC_WAVE_BIT_WIDTH_8 /*!< unmask the LFSR bits[7:0] */
#define DAC_LFSR_BITS8_0 DAC_WAVE_BIT_WIDTH_9 /*!< unmask the LFSR bits[8:0] */
#define DAC_LFSR_BITS9_0 DAC_WAVE_BIT_WIDTH_10 /*!< unmask the LFSR bits[9:0] */
#define DAC_LFSR_BITS10_0 DAC_WAVE_BIT_WIDTH_11 /*!< unmask the LFSR bits[10:0] */
#define DAC_LFSR_BITS11_0 DAC_WAVE_BIT_WIDTH_12 /*!< unmask the LFSR bits[11:0] */
/* DAC data alignment */
#define DATA_ALIGN(regval) (BITS(0,1) & ((uint32_t)(regval) << 0))
#define DAC_ALIGN_12B_R DATA_ALIGN(0) /*!< data right 12b alignment */
#define DAC_ALIGN_12B_L DATA_ALIGN(1) /*!< data left 12b alignment */
#define DAC_ALIGN_8B_R DATA_ALIGN(2) /*!< data right 8b alignment */
/* triangle amplitude in DAC triangle noise mode */
#define DAC_TRIANGLE_AMPLITUDE_1 DAC_WAVE_BIT_WIDTH_1 /*!< triangle amplitude is 1 */
#define DAC_TRIANGLE_AMPLITUDE_3 DAC_WAVE_BIT_WIDTH_2 /*!< triangle amplitude is 3 */
#define DAC_TRIANGLE_AMPLITUDE_7 DAC_WAVE_BIT_WIDTH_3 /*!< triangle amplitude is 7 */
#define DAC_TRIANGLE_AMPLITUDE_15 DAC_WAVE_BIT_WIDTH_4 /*!< triangle amplitude is 15 */
#define DAC_TRIANGLE_AMPLITUDE_31 DAC_WAVE_BIT_WIDTH_5 /*!< triangle amplitude is 31 */
#define DAC_TRIANGLE_AMPLITUDE_63 DAC_WAVE_BIT_WIDTH_6 /*!< triangle amplitude is 63 */
#define DAC_TRIANGLE_AMPLITUDE_127 DAC_WAVE_BIT_WIDTH_7 /*!< triangle amplitude is 127 */
#define DAC_TRIANGLE_AMPLITUDE_255 DAC_WAVE_BIT_WIDTH_8 /*!< triangle amplitude is 255 */
#define DAC_TRIANGLE_AMPLITUDE_511 DAC_WAVE_BIT_WIDTH_9 /*!< triangle amplitude is 511 */
#define DAC_TRIANGLE_AMPLITUDE_1023 DAC_WAVE_BIT_WIDTH_10 /*!< triangle amplitude is 1023 */
#define DAC_TRIANGLE_AMPLITUDE_2047 DAC_WAVE_BIT_WIDTH_11 /*!< triangle amplitude is 2047 */
#define DAC_TRIANGLE_AMPLITUDE_4095 DAC_WAVE_BIT_WIDTH_12 /*!< triangle amplitude is 4095 */
/* function declarations */
/* initialization functions */
/* deinitialize DAC */
void dac_deinit(void);
/* enable DAC */
void dac_enable(uint32_t dac_periph);
/* disable DAC */
void dac_disable(uint32_t dac_periph);
/* enable DAC DMA */
void dac_dma_enable(uint32_t dac_periph);
/* disable DAC DMA */
void dac_dma_disable(uint32_t dac_periph);
/* enable DAC output buffer */
void dac_output_buffer_enable(uint32_t dac_periph);
/* disable DAC output buffer */
void dac_output_buffer_disable(uint32_t dac_periph);
/* get the last data output value */
uint16_t dac_output_value_get(uint32_t dac_periph);
/* set DAC data holding register value */
void dac_data_set(uint32_t dac_periph, uint32_t dac_align, uint16_t data);
/* DAC trigger configuration */
/* enable DAC trigger */
void dac_trigger_enable(uint32_t dac_periph);
/* disable DAC trigger */
void dac_trigger_disable(uint32_t dac_periph);
/* configure DAC trigger source */
void dac_trigger_source_config(uint32_t dac_periph, uint32_t triggersource);
/* enable DAC software trigger */
void dac_software_trigger_enable(uint32_t dac_periph);
/* disable DAC software trigger */
void dac_software_trigger_disable(uint32_t dac_periph);
/* DAC wave mode configuration */
/* configure DAC wave mode */
void dac_wave_mode_config(uint32_t dac_periph, uint32_t wave_mode);
/* configure DAC wave bit width */
void dac_wave_bit_width_config(uint32_t dac_periph, uint32_t bit_width);
/* configure DAC LFSR noise mode */
void dac_lfsr_noise_config(uint32_t dac_periph, uint32_t unmask_bits);
/* configure DAC triangle noise mode */
void dac_triangle_noise_config(uint32_t dac_periph, uint32_t amplitude);
/* DAC concurrent mode configuration */
/* enable DAC concurrent mode */
void dac_concurrent_enable(void);
/* disable DAC concurrent mode */
void dac_concurrent_disable(void);
/* enable DAC concurrent software trigger */
void dac_concurrent_software_trigger_enable(void);
/* disable DAC concurrent software trigger */
void dac_concurrent_software_trigger_disable(void);
/* enable DAC concurrent buffer function */
void dac_concurrent_output_buffer_enable(void);
/* disable DAC concurrent buffer function */
void dac_concurrent_output_buffer_disable(void);
/* set DAC concurrent mode data holding register value */
void dac_concurrent_data_set(uint32_t dac_align, uint16_t data0, uint16_t data1);
#endif /* GD32VF103_DAC_H */

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/*!
\file gd32vf103_dbg.h
\brief definitions for the DBG
\version 2019-06-05, V1.0.0, firmware for GD32VF103
*/
/*
Copyright (c) 2019, GigaDevice Semiconductor Inc.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
3. Neither the name of the copyright holder nor the names of its contributors
may be used to endorse or promote products derived from this software without
specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
OF SUCH DAMAGE.
*/
#ifndef GD32VF103_DBG_H
#define GD32VF103_DBG_H
#include "gd32vf103.h"
/* DBG definitions */
#define DBG DBG_BASE
/* registers definitions */
#define DBG_ID REG32(DBG + 0x00U) /*!< DBG_ID code register */
#define DBG_CTL REG32(DBG + 0x04U) /*!< DBG control register */
/* bits definitions */
/* DBG_ID */
#define DBG_ID_ID_CODE BITS(0,31) /*!< DBG ID code values */
/* DBG_CTL */
#define DBG_CTL_SLP_HOLD BIT(0) /*!< keep debugger connection during sleep mode */
#define DBG_CTL_DSLP_HOLD BIT(1) /*!< keep debugger connection during deepsleep mode */
#define DBG_CTL_STB_HOLD BIT(2) /*!< keep debugger connection during standby mode */
#define DBG_CTL_FWDGT_HOLD BIT(8) /*!< debug FWDGT kept when core is halted */
#define DBG_CTL_WWDGT_HOLD BIT(9) /*!< debug WWDGT kept when core is halted */
#define DBG_CTL_TIMER0_HOLD BIT(10) /*!< hold TIMER0 counter when core is halted */
#define DBG_CTL_TIMER1_HOLD BIT(11) /*!< hold TIMER1 counter when core is halted */
#define DBG_CTL_TIMER2_HOLD BIT(12) /*!< hold TIMER2 counter when core is halted */
#define DBG_CTL_TIMER3_HOLD BIT(13) /*!< hold TIMER3 counter when core is halted */
#define DBG_CTL_CAN0_HOLD BIT(14) /*!< debug CAN0 kept when core is halted */
#define DBG_CTL_I2C0_HOLD BIT(15) /*!< hold I2C0 smbus when core is halted */
#define DBG_CTL_I2C1_HOLD BIT(16) /*!< hold I2C1 smbus when core is halted */
#define DBG_CTL_TIMER4_HOLD BIT(18) /*!< hold TIMER4 counter when core is halted */
#define DBG_CTL_TIMER5_HOLD BIT(19) /*!< hold TIMER5 counter when core is halted */
#define DBG_CTL_TIMER6_HOLD BIT(20) /*!< hold TIMER6 counter when core is halted */
#define DBG_CTL_CAN1_HOLD BIT(21) /*!< debug CAN1 kept when core is halted */
/* constants definitions */
/* debug hold when core is halted */
typedef enum
{
DBG_FWDGT_HOLD = BIT(8), /*!< debug FWDGT kept when core is halted */
DBG_WWDGT_HOLD = BIT(9), /*!< debug WWDGT kept when core is halted */
DBG_TIMER0_HOLD = BIT(10), /*!< hold TIMER0 counter when core is halted */
DBG_TIMER1_HOLD = BIT(11), /*!< hold TIMER1 counter when core is halted */
DBG_TIMER2_HOLD = BIT(12), /*!< hold TIMER2 counter when core is halted */
DBG_TIMER3_HOLD = BIT(13), /*!< hold TIMER3 counter when core is halted */
DBG_CAN0_HOLD = BIT(14), /*!< debug CAN0 kept when core is halted */
DBG_I2C0_HOLD = BIT(15), /*!< hold I2C0 smbus when core is halted */
DBG_I2C1_HOLD = BIT(16), /*!< hold I2C1 smbus when core is halted */
DBG_TIMER4_HOLD = BIT(17), /*!< hold TIMER4 counter when core is halted */
DBG_TIMER5_HOLD = BIT(18), /*!< hold TIMER5 counter when core is halted */
DBG_TIMER6_HOLD = BIT(19), /*!< hold TIMER6 counter when core is halted */
DBG_CAN1_HOLD = BIT(21), /*!< debug CAN1 kept when core is halted */
}dbg_periph_enum;
/* DBG low power mode configurations */
#define DBG_LOW_POWER_SLEEP DBG_CTL_SLP_HOLD /*!< keep debugger connection during sleep mode */
#define DBG_LOW_POWER_DEEPSLEEP DBG_CTL_DSLP_HOLD /*!< keep debugger connection during deepsleep mode */
#define DBG_LOW_POWER_STANDBY DBG_CTL_STB_HOLD /*!< keep debugger connection during standby mode */
/* function declarations */
/* read DBG_ID code register */
uint32_t dbg_id_get(void);
/* low power behavior configuration */
/* enable low power behavior when the MCU is in debug mode */
void dbg_low_power_enable(uint32_t dbg_low_power);
/* disable low power behavior when the MCU is in debug mode */
void dbg_low_power_disable(uint32_t dbg_low_power);
/* peripheral behavior configuration */
/* enable peripheral behavior when the MCU is in debug mode */
void dbg_periph_enable(dbg_periph_enum dbg_periph);
/* disable peripheral behavior when the MCU is in debug mode */
void dbg_periph_disable(dbg_periph_enum dbg_periph);
#endif /* GD32VF103_DBG_H */

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/*!
\file gd32vf103_dma.h
\brief definitions for the DMA
\version 2019-06-05, V1.0.0, firmware for GD32VF103
\version 2019-10-30, V1.0.1, firmware for GD32VF103
*/
/*
Copyright (c) 2019, GigaDevice Semiconductor Inc.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
3. Neither the name of the copyright holder nor the names of its contributors
may be used to endorse or promote products derived from this software without
specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
OF SUCH DAMAGE.
*/
#ifndef GD32VF103_DMA_H
#define GD32VF103_DMA_H
#include "gd32vf103.h"
/* DMA definitions */
#define DMA0 (DMA_BASE) /*!< DMA0 base address */
#define DMA1 (DMA_BASE + 0x0400U) /*!< DMA1 base address */
/* registers definitions */
#define DMA_INTF(dmax) REG32((dmax) + 0x00U) /*!< DMA interrupt flag register */
#define DMA_INTC(dmax) REG32((dmax) + 0x04U) /*!< DMA interrupt flag clear register */
#define DMA_CH0CTL(dmax) REG32((dmax) + 0x08U) /*!< DMA channel 0 control register */
#define DMA_CH0CNT(dmax) REG32((dmax) + 0x0CU) /*!< DMA channel 0 counter register */
#define DMA_CH0PADDR(dmax) REG32((dmax) + 0x10U) /*!< DMA channel 0 peripheral base address register */
#define DMA_CH0MADDR(dmax) REG32((dmax) + 0x14U) /*!< DMA channel 0 memory base address register */
#define DMA_CH1CTL(dmax) REG32((dmax) + 0x1CU) /*!< DMA channel 1 control register */
#define DMA_CH1CNT(dmax) REG32((dmax) + 0x20U) /*!< DMA channel 1 counter register */
#define DMA_CH1PADDR(dmax) REG32((dmax) + 0x24U) /*!< DMA channel 1 peripheral base address register */
#define DMA_CH1MADDR(dmax) REG32((dmax) + 0x28U) /*!< DMA channel 1 memory base address register */
#define DMA_CH2CTL(dmax) REG32((dmax) + 0x30U) /*!< DMA channel 2 control register */
#define DMA_CH2CNT(dmax) REG32((dmax) + 0x34U) /*!< DMA channel 2 counter register */
#define DMA_CH2PADDR(dmax) REG32((dmax) + 0x38U) /*!< DMA channel 2 peripheral base address register */
#define DMA_CH2MADDR(dmax) REG32((dmax) + 0x3CU) /*!< DMA channel 2 memory base address register */
#define DMA_CH3CTL(dmax) REG32((dmax) + 0x44U) /*!< DMA channel 3 control register */
#define DMA_CH3CNT(dmax) REG32((dmax) + 0x48U) /*!< DMA channel 3 counter register */
#define DMA_CH3PADDR(dmax) REG32((dmax) + 0x4CU) /*!< DMA channel 3 peripheral base address register */
#define DMA_CH3MADDR(dmax) REG32((dmax) + 0x50U) /*!< DMA channel 3 memory base address register */
#define DMA_CH4CTL(dmax) REG32((dmax) + 0x58U) /*!< DMA channel 4 control register */
#define DMA_CH4CNT(dmax) REG32((dmax) + 0x5CU) /*!< DMA channel 4 counter register */
#define DMA_CH4PADDR(dmax) REG32((dmax) + 0x60U) /*!< DMA channel 4 peripheral base address register */
#define DMA_CH4MADDR(dmax) REG32((dmax) + 0x64U) /*!< DMA channel 4 memory base address register */
#define DMA_CH5CTL(dmax) REG32((dmax) + 0x6CU) /*!< DMA channel 5 control register */
#define DMA_CH5CNT(dmax) REG32((dmax) + 0x70U) /*!< DMA channel 5 counter register */
#define DMA_CH5PADDR(dmax) REG32((dmax) + 0x74U) /*!< DMA channel 5 peripheral base address register */
#define DMA_CH5MADDR(dmax) REG32((dmax) + 0x78U) /*!< DMA channel 5 memory base address register */
#define DMA_CH6CTL(dmax) REG32((dmax) + 0x80U) /*!< DMA channel 6 control register */
#define DMA_CH6CNT(dmax) REG32((dmax) + 0x84U) /*!< DMA channel 6 counter register */
#define DMA_CH6PADDR(dmax) REG32((dmax) + 0x88U) /*!< DMA channel 6 peripheral base address register */
#define DMA_CH6MADDR(dmax) REG32((dmax) + 0x8CU) /*!< DMA channel 6 memory base address register */
/* bits definitions */
/* DMA_INTF */
#define DMA_INTF_GIF BIT(0) /*!< global interrupt flag of channel */
#define DMA_INTF_FTFIF BIT(1) /*!< full transfer finish flag of channel */
#define DMA_INTF_HTFIF BIT(2) /*!< half transfer finish flag of channel */
#define DMA_INTF_ERRIF BIT(3) /*!< error flag of channel */
/* DMA_INTC */
#define DMA_INTC_GIFC BIT(0) /*!< clear global interrupt flag of channel */
#define DMA_INTC_FTFIFC BIT(1) /*!< clear transfer finish flag of channel */
#define DMA_INTC_HTFIFC BIT(2) /*!< clear half transfer finish flag of channel */
#define DMA_INTC_ERRIFC BIT(3) /*!< clear error flag of channel */
/* DMA_CHxCTL, x=0..6 */
#define DMA_CHXCTL_CHEN BIT(0) /*!< channel enable */
#define DMA_CHXCTL_FTFIE BIT(1) /*!< enable bit for channel full transfer finish interrupt */
#define DMA_CHXCTL_HTFIE BIT(2) /*!< enable bit for channel half transfer finish interrupt */
#define DMA_CHXCTL_ERRIE BIT(3) /*!< enable bit for channel error interrupt */
#define DMA_CHXCTL_DIR BIT(4) /*!< transfer direction */
#define DMA_CHXCTL_CMEN BIT(5) /*!< circular mode enable */
#define DMA_CHXCTL_PNAGA BIT(6) /*!< next address generation algorithm of peripheral */
#define DMA_CHXCTL_MNAGA BIT(7) /*!< next address generation algorithm of memory */
#define DMA_CHXCTL_PWIDTH BITS(8,9) /*!< transfer data width of peripheral */
#define DMA_CHXCTL_MWIDTH BITS(10,11) /*!< transfer data width of memory */
#define DMA_CHXCTL_PRIO BITS(12,13) /*!< priority level */
#define DMA_CHXCTL_M2M BIT(14) /*!< memory to memory mode */
/* DMA_CHxCNT, x=0..6 */
#define DMA_CHXCNT_CNT BITS(0,15) /*!< transfer counter */
/* DMA_CHxPADDR, x=0..6 */
#define DMA_CHXPADDR_PADDR BITS(0,31) /*!< peripheral base address */
/* DMA_CHxMADDR, x=0..6 */
#define DMA_CHXMADDR_MADDR BITS(0,31) /*!< memory base address */
/* constants definitions */
/* DMA channel select */
typedef enum
{
DMA_CH0 = 0, /*!< DMA Channel0 */
DMA_CH1, /*!< DMA Channel1 */
DMA_CH2, /*!< DMA Channel2 */
DMA_CH3, /*!< DMA Channel3 */
DMA_CH4, /*!< DMA Channel4 */
DMA_CH5, /*!< DMA Channel5 */
DMA_CH6 /*!< DMA Channel6 */
} dma_channel_enum;
/* DMA initialize struct */
typedef struct
{
uint32_t periph_addr; /*!< peripheral base address */
uint32_t periph_width; /*!< transfer data size of peripheral */
uint32_t memory_addr; /*!< memory base address */
uint32_t memory_width; /*!< transfer data size of memory */
uint32_t number; /*!< channel transfer number */
uint32_t priority; /*!< channel priority level */
uint8_t periph_inc; /*!< peripheral increasing mode */
uint8_t memory_inc; /*!< memory increasing mode */
uint8_t direction; /*!< channel data transfer direction */
} dma_parameter_struct;
#define DMA_FLAG_ADD(flag, shift) ((flag) << ((shift) * 4U)) /*!< DMA channel flag shift */
/* DMA_register address */
#define DMA_CHCTL(dma, channel) REG32(((dma) + 0x08U) + 0x14U * (uint32_t)(channel)) /*!< the address of DMA channel CHXCTL register */
#define DMA_CHCNT(dma, channel) REG32(((dma) + 0x0CU) + 0x14U * (uint32_t)(channel)) /*!< the address of DMA channel CHXCNT register */
#define DMA_CHPADDR(dma, channel) REG32(((dma) + 0x10U) + 0x14U * (uint32_t)(channel)) /*!< the address of DMA channel CHXPADDR register */
#define DMA_CHMADDR(dma, channel) REG32(((dma) + 0x14U) + 0x14U * (uint32_t)(channel)) /*!< the address of DMA channel CHXMADDR register */
/* DMA reset value */
#define DMA_CHCTL_RESET_VALUE ((uint32_t)0x00000000U) /*!< the reset value of DMA channel CHXCTL register */
#define DMA_CHCNT_RESET_VALUE ((uint32_t)0x00000000U) /*!< the reset value of DMA channel CHXCNT register */
#define DMA_CHPADDR_RESET_VALUE ((uint32_t)0x00000000U) /*!< the reset value of DMA channel CHXPADDR register */
#define DMA_CHMADDR_RESET_VALUE ((uint32_t)0x00000000U) /*!< the reset value of DMA channel CHXMADDR register */
#define DMA_CHINTF_RESET_VALUE (DMA_INTF_GIF | DMA_INTF_FTFIF | \
DMA_INTF_HTFIF | DMA_INTF_ERRIF) /*!< clear DMA channel DMA_INTF register */
/* DMA_INTF register */
/* interrupt flag bits */
#define DMA_INT_FLAG_G DMA_INTF_GIF /*!< global interrupt flag of channel */
#define DMA_INT_FLAG_FTF DMA_INTF_FTFIF /*!< full transfer finish interrupt flag of channel */
#define DMA_INT_FLAG_HTF DMA_INTF_HTFIF /*!< half transfer finish interrupt flag of channel */
#define DMA_INT_FLAG_ERR DMA_INTF_ERRIF /*!< error interrupt flag of channel */
/* flag bits */
#define DMA_FLAG_G DMA_INTF_GIF /*!< global interrupt flag of channel */
#define DMA_FLAG_FTF DMA_INTF_FTFIF /*!< full transfer finish flag of channel */
#define DMA_FLAG_HTF DMA_INTF_HTFIF /*!< half transfer finish flag of channel */
#define DMA_FLAG_ERR DMA_INTF_ERRIF /*!< error flag of channel */
/* DMA_CHxCTL register */
/* interrupt enable bits */
#define DMA_INT_FTF DMA_CHXCTL_FTFIE /*!< enable bit for channel full transfer finish interrupt */
#define DMA_INT_HTF DMA_CHXCTL_HTFIE /*!< enable bit for channel half transfer finish interrupt */
#define DMA_INT_ERR DMA_CHXCTL_ERRIE /*!< enable bit for channel error interrupt */
/* transfer direction */
#define DMA_PERIPHERAL_TO_MEMORY ((uint8_t)0x00U) /*!< read from peripheral and write to memory */
#define DMA_MEMORY_TO_PERIPHERAL ((uint8_t)0x01U) /*!< read from memory and write to peripheral */
/* peripheral increasing mode */
#define DMA_PERIPH_INCREASE_DISABLE ((uint8_t)0x00U) /*!< next address of peripheral is fixed address mode */
#define DMA_PERIPH_INCREASE_ENABLE ((uint8_t)0x01U) /*!< next address of peripheral is increasing address mode */
/* memory increasing mode */
#define DMA_MEMORY_INCREASE_DISABLE ((uint8_t)0x00U) /*!< next address of memory is fixed address mode */
#define DMA_MEMORY_INCREASE_ENABLE ((uint8_t)0x01U) /*!< next address of memory is increasing address mode */
/* transfer data size of peripheral */
#define CHCTL_PWIDTH(regval) (BITS(8,9) & ((uint32_t)(regval) << 8)) /*!< transfer data size of peripheral */
#define DMA_PERIPHERAL_WIDTH_8BIT CHCTL_PWIDTH(0U) /*!< transfer data size of peripheral is 8-bit */
#define DMA_PERIPHERAL_WIDTH_16BIT CHCTL_PWIDTH(1U) /*!< transfer data size of peripheral is 16-bit */
#define DMA_PERIPHERAL_WIDTH_32BIT CHCTL_PWIDTH(2U) /*!< transfer data size of peripheral is 32-bit */
/* transfer data size of memory */
#define CHCTL_MWIDTH(regval) (BITS(10,11) & ((uint32_t)(regval) << 10)) /*!< transfer data size of memory */
#define DMA_MEMORY_WIDTH_8BIT CHCTL_MWIDTH(0U) /*!< transfer data size of memory is 8-bit */
#define DMA_MEMORY_WIDTH_16BIT CHCTL_MWIDTH(1U) /*!< transfer data size of memory is 16-bit */
#define DMA_MEMORY_WIDTH_32BIT CHCTL_MWIDTH(2U) /*!< transfer data size of memory is 32-bit */
/* channel priority level */
#define CHCTL_PRIO(regval) (BITS(12,13) & ((uint32_t)(regval) << 12)) /*!< DMA channel priority level */
#define DMA_PRIORITY_LOW CHCTL_PRIO(0U) /*!< low priority */
#define DMA_PRIORITY_MEDIUM CHCTL_PRIO(1U) /*!< medium priority */
#define DMA_PRIORITY_HIGH CHCTL_PRIO(2U) /*!< high priority */
#define DMA_PRIORITY_ULTRA_HIGH CHCTL_PRIO(3U) /*!< ultra high priority */
/* memory to memory mode */
#define DMA_MEMORY_TO_MEMORY_DISABLE ((uint32_t)0x00000000U) /*!< disable memory to memory mode */
#define DMA_MEMORY_TO_MEMORY_ENABLE ((uint32_t)0x00000001U) /*!< enable memory to memory mode */
/* DMA_CHxCNT register */
/* transfer counter */
#define DMA_CHANNEL_CNT_MASK DMA_CHXCNT_CNT /*!< transfer counter mask */
/* function declarations */
/* DMA deinitialization and initialization functions */
/* deinitialize DMA a channel registers */
void dma_deinit(uint32_t dma_periph, dma_channel_enum channelx);
/* initialize the parameters of DMA struct with the default values */
void dma_struct_para_init(dma_parameter_struct* init_struct);
/* initialize DMA channel */
void dma_init(uint32_t dma_periph, dma_channel_enum channelx, dma_parameter_struct *init_struct);
/* enable DMA circulation mode */
void dma_circulation_enable(uint32_t dma_periph, dma_channel_enum channelx);
/* disable DMA circulation mode */
void dma_circulation_disable(uint32_t dma_periph, dma_channel_enum channelx);
/* enable memory to memory mode */
void dma_memory_to_memory_enable(uint32_t dma_periph, dma_channel_enum channelx);
/* disable memory to memory mode */
void dma_memory_to_memory_disable(uint32_t dma_periph, dma_channel_enum channelx);
/* enable DMA channel */
void dma_channel_enable(uint32_t dma_periph, dma_channel_enum channelx);
/* disable DMA channel */
void dma_channel_disable(uint32_t dma_periph, dma_channel_enum channelx);
/* DMA configuration functions */
/* set DMA peripheral base address */
void dma_periph_address_config(uint32_t dma_periph, dma_channel_enum channelx, uint32_t address);
/* set DMA memory base address */
void dma_memory_address_config(uint32_t dma_periph, dma_channel_enum channelx, uint32_t address);
/* set the number of remaining data to be transferred by the DMA */
void dma_transfer_number_config(uint32_t dma_periph, dma_channel_enum channelx, uint32_t number);
/* get the number of remaining data to be transferred by the DMA */
uint32_t dma_transfer_number_get(uint32_t dma_periph, dma_channel_enum channelx);
/* configure priority level of DMA channel */
void dma_priority_config(uint32_t dma_periph, dma_channel_enum channelx, uint32_t priority);
/* configure transfer data size of memory */
void dma_memory_width_config(uint32_t dma_periph, dma_channel_enum channelx, uint32_t mwidth);
/* configure transfer data size of peripheral */
void dma_periph_width_config(uint32_t dma_periph, dma_channel_enum channelx, uint32_t pwidth);
/* enable next address increasement algorithm of memory */
void dma_memory_increase_enable(uint32_t dma_periph, dma_channel_enum channelx);
/* disable next address increasement algorithm of memory */
void dma_memory_increase_disable(uint32_t dma_periph, dma_channel_enum channelx);
/* enable next address increasement algorithm of peripheral */
void dma_periph_increase_enable(uint32_t dma_periph, dma_channel_enum channelx);
/* disable next address increasement algorithm of peripheral */
void dma_periph_increase_disable(uint32_t dma_periph, dma_channel_enum channelx);
/* configure the direction of data transfer on the channel */
void dma_transfer_direction_config(uint32_t dma_periph, dma_channel_enum channelx, uint8_t direction);
/* flag and interrupt functions */
/* check DMA flag is set or not */
FlagStatus dma_flag_get(uint32_t dma_periph, dma_channel_enum channelx, uint32_t flag);
/* clear the flag of a DMA channel */
void dma_flag_clear(uint32_t dma_periph, dma_channel_enum channelx, uint32_t flag);
/* check DMA flag and interrupt enable bit is set or not */
FlagStatus dma_interrupt_flag_get(uint32_t dma_periph, dma_channel_enum channelx, uint32_t flag);
/* clear the interrupt flag of a DMA channel */
void dma_interrupt_flag_clear(uint32_t dma_periph, dma_channel_enum channelx, uint32_t flag);
/* enable DMA interrupt */
void dma_interrupt_enable(uint32_t dma_periph, dma_channel_enum channelx, uint32_t source);
/* disable DMA interrupt */
void dma_interrupt_disable(uint32_t dma_periph, dma_channel_enum channelx, uint32_t source);
#endif /* GD32VF103_DMA_H */

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/*!
\file gd32vf103_eclic.h
\brief definitions for the ECLIC(Enhancement Core-Local Interrupt Controller)
\version 2019-06-05, V1.0.0, firmware for GD32VF103
*/
/*
Copyright (c) 2019, GigaDevice Semiconductor Inc.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
3. Neither the name of the copyright holder nor the names of its contributors
may be used to endorse or promote products derived from this software without
specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
OF SUCH DAMAGE.
*/
#ifndef GD32VF103_ECLIC_H
#define GD32VF103_ECLIC_H
#include "gd32vf103.h"
/* constants definitions */
#define ECLIC_PRIGROUP_LEVEL0_PRIO4 0 /*!< 0 bits for level 4 bits for priority */
#define ECLIC_PRIGROUP_LEVEL1_PRIO3 1 /*!< 1 bits for level 3 bits for priority */
#define ECLIC_PRIGROUP_LEVEL2_PRIO2 2 /*!< 2 bits for level 2 bits for priority */
#define ECLIC_PRIGROUP_LEVEL3_PRIO1 3 /*!< 3 bits for level 1 bits for priority */
#define ECLIC_PRIGROUP_LEVEL4_PRIO0 4 /*!< 4 bits for level 0 bits for priority */
#define __SEV eclic_send_event
/* function declarations */
/* enable the global interrupt */
void eclic_global_interrupt_enable(void);
/* disable the global interrupt */
void eclic_global_interrupt_disable(void);
/* set the priority group */
void eclic_priority_group_set(uint32_t prigroup);
/* enable the interrupt request */
void eclic_irq_enable(uint32_t source, uint8_t level, uint8_t priority);
/* disable the interrupt request */
void eclic_irq_disable(uint32_t source);
/* reset system */
void eclic_system_reset(void);
/* send event(SEV) */
void eclic_send_event(void);
#endif /* GD32VF103_ECLIC_H */

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/*!
\file gd32vf103_exmc.h
\brief definitions for the EXMC
\version 2019-06-05, V1.0.0, firmware for GD32VF103
*/
/*
Copyright (c) 2019, GigaDevice Semiconductor Inc.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
3. Neither the name of the copyright holder nor the names of its contributors
may be used to endorse or promote products derived from this software without
specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
OF SUCH DAMAGE.
*/
#ifndef GD32VF103_EXMC_H
#define GD32VF103_EXMC_H
#include "gd32vf103.h"
/* EXMC definitions */
#define EXMC (EXMC_BASE) /*!< EXMC register base address */
/* registers definitions */
/* NOR/PSRAM */
#define EXMC_SNCTL0 REG32(EXMC + 0x00U) /*!< EXMC SRAM/NOR flash control register 0 */
#define EXMC_SNTCFG0 REG32(EXMC + 0x04U) /*!< EXMC SRAM/NOR flash timing configuration register 0 */
#define EXMC_SNWTCFG0 REG32(EXMC + 0x104U) /*!< EXMC SRAM/NOR flash write timing configuration register 0 */
/* bits definitions */
/* NOR/PSRAM */
/* EXMC_SNCTLx, x=0 */
#define EXMC_SNCTL_NRBKEN BIT(0) /*!< NOR bank enable */
#define EXMC_SNCTL_NRMUX BIT(1) /*!< NOR bank memory address/data multiplexing */
#define EXMC_SNCTL_NRTP BITS(2,3) /*!< NOR bank memory type */
#define EXMC_SNCTL_NRW BITS(4,5) /*!< NOR bank memory data bus width */
#define EXMC_SNCTL_NREN BIT(6) /*!< NOR flash access enable */
#define EXMC_SNCTL_NRWTPOL BIT(9) /*!< NWAIT signal polarity */
#define EXMC_SNCTL_WREN BIT(12) /*!< write enable */
#define EXMC_SNCTL_NRWTEN BIT(13) /*!< NWAIT signal enable */
#define EXMC_SNCTL_ASYNCWAIT BIT(15) /*!< asynchronous wait */
/* EXMC_SNTCFGx, x=0 */
#define EXMC_SNTCFG_ASET BITS(0,3) /*!< address setup time */
#define EXMC_SNTCFG_AHLD BITS(4,7) /*!< address hold time */
#define EXMC_SNTCFG_DSET BITS(8,15) /*!< data setup time */
#define EXMC_SNTCFG_BUSLAT BITS(16,19) /*!< bus latency */
/* constants definitions */
/* EXMC NOR/SRAM timing initialize struct */
typedef struct
{
uint32_t bus_latency; /*!< configure the bus latency */
uint32_t asyn_data_setuptime; /*!< configure the data setup time,asynchronous access mode valid */
uint32_t asyn_address_holdtime; /*!< configure the address hold time,asynchronous access mode valid */
uint32_t asyn_address_setuptime; /*!< configure the data setup time,asynchronous access mode valid */
}exmc_norsram_timing_parameter_struct;
/* EXMC NOR/SRAM initialize struct */
typedef struct
{
uint32_t norsram_region; /*!< select the region of EXMC NOR/SRAM bank */
uint32_t asyn_wait; /*!< enable or disable the asynchronous wait function */
uint32_t nwait_signal; /*!< enable or disable the NWAIT signal */
uint32_t memory_write; /*!< enable or disable the write operation */
uint32_t nwait_polarity; /*!< specifies the polarity of NWAIT signal from memory */
uint32_t databus_width; /*!< specifies the databus width of external memory */
uint32_t memory_type; /*!< specifies the type of external memory */
uint32_t address_data_mux; /*!< specifies whether the data bus and address bus are multiplexed */
exmc_norsram_timing_parameter_struct* read_write_timing; /*!< timing parameters for read and write */
}exmc_norsram_parameter_struct;
/* EXMC register address */
#define EXMC_SNCTL(region) REG32(EXMC + 0x08U * (region)) /*!< EXMC SRAM/NOR flash control register */
#define EXMC_SNTCFG(region) REG32(EXMC + 0x04U + 0x08U * (region)) /*!< EXMC SRAM/NOR flash timing configuration register */
/* NOR bank memory data bus width */
#define SNCTL_NRW(regval) (BITS(4,5) & ((uint32_t)(regval) << 4))
#define EXMC_NOR_DATABUS_WIDTH_8B SNCTL_NRW(0) /*!< NOR data width 8 bits */
#define EXMC_NOR_DATABUS_WIDTH_16B SNCTL_NRW(1) /*!< NOR data width 16 bits */
/* NOR bank memory type */
#define SNCTL_NRTP(regval) (BITS(2,3) & ((uint32_t)(regval) << 2))
#define EXMC_MEMORY_TYPE_SRAM SNCTL_NRTP(0) /*!< SRAM,ROM */
#define EXMC_MEMORY_TYPE_PSRAM SNCTL_NRTP(1) /*!< PSRAM,CRAM */
#define EXMC_MEMORY_TYPE_NOR SNCTL_NRTP(2) /*!< NOR flash */
/* EXMC NOR/SRAM bank region definition */
#define EXMC_BANK0_NORSRAM_REGION0 ((uint32_t)0x00000000U) /*!< bank0 NOR/SRAM region0 */
/* EXMC NWAIT signal polarity configuration */
#define EXMC_NWAIT_POLARITY_LOW ((uint32_t)0x00000000U) /*!< low level is active of NWAIT */
#define EXMC_NWAIT_POLARITY_HIGH ((uint32_t)0x00000200U) /*!< high level is active of NWAIT */
/* function declarations */
/* deinitialize EXMC NOR/SRAM region */
void exmc_norsram_deinit(uint32_t norsram_region);
/* exmc_norsram_parameter_struct parameter initialize */
void exmc_norsram_struct_para_init(exmc_norsram_parameter_struct* exmc_norsram_init_struct);
/* initialize EXMC NOR/SRAM region */
void exmc_norsram_init(exmc_norsram_parameter_struct* exmc_norsram_init_struct);
/* EXMC NOR/SRAM bank enable */
void exmc_norsram_enable(uint32_t norsram_region);
/* EXMC NOR/SRAM bank disable */
void exmc_norsram_disable(uint32_t norsram_region);
#endif /* GD32VF103_EXMC_H */

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/*!
\file gd32vf103_exti.h
\brief definitions for the EXTI
\version 2019-06-05, V1.0.0, firmware for GD32VF103
*/
/*
Copyright (c) 2019, GigaDevice Semiconductor Inc.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
3. Neither the name of the copyright holder nor the names of its contributors
may be used to endorse or promote products derived from this software without
specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
OF SUCH DAMAGE.
*/
#ifndef GD32VF103_EXTI_H
#define GD32VF103_EXTI_H
#include "gd32vf103.h"
/* EXTI definitions */
#define EXTI EXTI_BASE
/* registers definitions */
#define EXTI_INTEN REG32(EXTI + 0x00U) /*!< interrupt enable register */
#define EXTI_EVEN REG32(EXTI + 0x04U) /*!< event enable register */
#define EXTI_RTEN REG32(EXTI + 0x08U) /*!< rising edge trigger enable register */
#define EXTI_FTEN REG32(EXTI + 0x0CU) /*!< falling trigger enable register */
#define EXTI_SWIEV REG32(EXTI + 0x10U) /*!< software interrupt event register */
#define EXTI_PD REG32(EXTI + 0x14U) /*!< pending register */
/* bits definitions */
/* EXTI_INTEN */
#define EXTI_INTEN_INTEN0 BIT(0) /*!< interrupt from line 0 */
#define EXTI_INTEN_INTEN1 BIT(1) /*!< interrupt from line 1 */
#define EXTI_INTEN_INTEN2 BIT(2) /*!< interrupt from line 2 */
#define EXTI_INTEN_INTEN3 BIT(3) /*!< interrupt from line 3 */
#define EXTI_INTEN_INTEN4 BIT(4) /*!< interrupt from line 4 */
#define EXTI_INTEN_INTEN5 BIT(5) /*!< interrupt from line 5 */
#define EXTI_INTEN_INTEN6 BIT(6) /*!< interrupt from line 6 */
#define EXTI_INTEN_INTEN7 BIT(7) /*!< interrupt from line 7 */
#define EXTI_INTEN_INTEN8 BIT(8) /*!< interrupt from line 8 */
#define EXTI_INTEN_INTEN9 BIT(9) /*!< interrupt from line 9 */
#define EXTI_INTEN_INTEN10 BIT(10) /*!< interrupt from line 10 */
#define EXTI_INTEN_INTEN11 BIT(11) /*!< interrupt from line 11 */
#define EXTI_INTEN_INTEN12 BIT(12) /*!< interrupt from line 12 */
#define EXTI_INTEN_INTEN13 BIT(13) /*!< interrupt from line 13 */
#define EXTI_INTEN_INTEN14 BIT(14) /*!< interrupt from line 14 */
#define EXTI_INTEN_INTEN15 BIT(15) /*!< interrupt from line 15 */
#define EXTI_INTEN_INTEN16 BIT(16) /*!< interrupt from line 16 */
#define EXTI_INTEN_INTEN17 BIT(17) /*!< interrupt from line 17 */
#define EXTI_INTEN_INTEN18 BIT(18) /*!< interrupt from line 18 */
/* EXTI_EVEN */
#define EXTI_EVEN_EVEN0 BIT(0) /*!< event from line 0 */
#define EXTI_EVEN_EVEN1 BIT(1) /*!< event from line 1 */
#define EXTI_EVEN_EVEN2 BIT(2) /*!< event from line 2 */
#define EXTI_EVEN_EVEN3 BIT(3) /*!< event from line 3 */
#define EXTI_EVEN_EVEN4 BIT(4) /*!< event from line 4 */
#define EXTI_EVEN_EVEN5 BIT(5) /*!< event from line 5 */
#define EXTI_EVEN_EVEN6 BIT(6) /*!< event from line 6 */
#define EXTI_EVEN_EVEN7 BIT(7) /*!< event from line 7 */
#define EXTI_EVEN_EVEN8 BIT(8) /*!< event from line 8 */
#define EXTI_EVEN_EVEN9 BIT(9) /*!< event from line 9 */
#define EXTI_EVEN_EVEN10 BIT(10) /*!< event from line 10 */
#define EXTI_EVEN_EVEN11 BIT(11) /*!< event from line 11 */
#define EXTI_EVEN_EVEN12 BIT(12) /*!< event from line 12 */
#define EXTI_EVEN_EVEN13 BIT(13) /*!< event from line 13 */
#define EXTI_EVEN_EVEN14 BIT(14) /*!< event from line 14 */
#define EXTI_EVEN_EVEN15 BIT(15) /*!< event from line 15 */
#define EXTI_EVEN_EVEN16 BIT(16) /*!< event from line 16 */
#define EXTI_EVEN_EVEN17 BIT(17) /*!< event from line 17 */
#define EXTI_EVEN_EVEN18 BIT(18) /*!< event from line 18 */
/* EXTI_RTEN */
#define EXTI_RTEN_RTEN0 BIT(0) /*!< rising edge from line 0 */
#define EXTI_RTEN_RTEN1 BIT(1) /*!< rising edge from line 1 */
#define EXTI_RTEN_RTEN2 BIT(2) /*!< rising edge from line 2 */
#define EXTI_RTEN_RTEN3 BIT(3) /*!< rising edge from line 3 */
#define EXTI_RTEN_RTEN4 BIT(4) /*!< rising edge from line 4 */
#define EXTI_RTEN_RTEN5 BIT(5) /*!< rising edge from line 5 */
#define EXTI_RTEN_RTEN6 BIT(6) /*!< rising edge from line 6 */
#define EXTI_RTEN_RTEN7 BIT(7) /*!< rising edge from line 7 */
#define EXTI_RTEN_RTEN8 BIT(8) /*!< rising edge from line 8 */
#define EXTI_RTEN_RTEN9 BIT(9) /*!< rising edge from line 9 */
#define EXTI_RTEN_RTEN10 BIT(10) /*!< rising edge from line 10 */
#define EXTI_RTEN_RTEN11 BIT(11) /*!< rising edge from line 11 */
#define EXTI_RTEN_RTEN12 BIT(12) /*!< rising edge from line 12 */
#define EXTI_RTEN_RTEN13 BIT(13) /*!< rising edge from line 13 */
#define EXTI_RTEN_RTEN14 BIT(14) /*!< rising edge from line 14 */
#define EXTI_RTEN_RTEN15 BIT(15) /*!< rising edge from line 15 */
#define EXTI_RTEN_RTEN16 BIT(16) /*!< rising edge from line 16 */
#define EXTI_RTEN_RTEN17 BIT(17) /*!< rising edge from line 17 */
#define EXTI_RTEN_RTEN18 BIT(18) /*!< rising edge from line 18 */
/* EXTI_FTEN */
#define EXTI_FTEN_FTEN0 BIT(0) /*!< falling edge from line 0 */
#define EXTI_FTEN_FTEN1 BIT(1) /*!< falling edge from line 1 */
#define EXTI_FTEN_FTEN2 BIT(2) /*!< falling edge from line 2 */
#define EXTI_FTEN_FTEN3 BIT(3) /*!< falling edge from line 3 */
#define EXTI_FTEN_FTEN4 BIT(4) /*!< falling edge from line 4 */
#define EXTI_FTEN_FTEN5 BIT(5) /*!< falling edge from line 5 */
#define EXTI_FTEN_FTEN6 BIT(6) /*!< falling edge from line 6 */
#define EXTI_FTEN_FTEN7 BIT(7) /*!< falling edge from line 7 */
#define EXTI_FTEN_FTEN8 BIT(8) /*!< falling edge from line 8 */
#define EXTI_FTEN_FTEN9 BIT(9) /*!< falling edge from line 9 */
#define EXTI_FTEN_FTEN10 BIT(10) /*!< falling edge from line 10 */
#define EXTI_FTEN_FTEN11 BIT(11) /*!< falling edge from line 11 */
#define EXTI_FTEN_FTEN12 BIT(12) /*!< falling edge from line 12 */
#define EXTI_FTEN_FTEN13 BIT(13) /*!< falling edge from line 13 */
#define EXTI_FTEN_FTEN14 BIT(14) /*!< falling edge from line 14 */
#define EXTI_FTEN_FTEN15 BIT(15) /*!< falling edge from line 15 */
#define EXTI_FTEN_FTEN16 BIT(16) /*!< falling edge from line 16 */
#define EXTI_FTEN_FTEN17 BIT(17) /*!< falling edge from line 17 */
#define EXTI_FTEN_FTEN18 BIT(18) /*!< falling edge from line 18 */
/* EXTI_SWIEV */
#define EXTI_SWIEV_SWIEV0 BIT(0) /*!< software interrupt/event request from line 0 */
#define EXTI_SWIEV_SWIEV1 BIT(1) /*!< software interrupt/event request from line 1 */
#define EXTI_SWIEV_SWIEV2 BIT(2) /*!< software interrupt/event request from line 2 */
#define EXTI_SWIEV_SWIEV3 BIT(3) /*!< software interrupt/event request from line 3 */
#define EXTI_SWIEV_SWIEV4 BIT(4) /*!< software interrupt/event request from line 4 */
#define EXTI_SWIEV_SWIEV5 BIT(5) /*!< software interrupt/event request from line 5 */
#define EXTI_SWIEV_SWIEV6 BIT(6) /*!< software interrupt/event request from line 6 */
#define EXTI_SWIEV_SWIEV7 BIT(7) /*!< software interrupt/event request from line 7 */
#define EXTI_SWIEV_SWIEV8 BIT(8) /*!< software interrupt/event request from line 8 */
#define EXTI_SWIEV_SWIEV9 BIT(9) /*!< software interrupt/event request from line 9 */
#define EXTI_SWIEV_SWIEV10 BIT(10) /*!< software interrupt/event request from line 10 */
#define EXTI_SWIEV_SWIEV11 BIT(11) /*!< software interrupt/event request from line 11 */
#define EXTI_SWIEV_SWIEV12 BIT(12) /*!< software interrupt/event request from line 12 */
#define EXTI_SWIEV_SWIEV13 BIT(13) /*!< software interrupt/event request from line 13 */
#define EXTI_SWIEV_SWIEV14 BIT(14) /*!< software interrupt/event request from line 14 */
#define EXTI_SWIEV_SWIEV15 BIT(15) /*!< software interrupt/event request from line 15 */
#define EXTI_SWIEV_SWIEV16 BIT(16) /*!< software interrupt/event request from line 16 */
#define EXTI_SWIEV_SWIEV17 BIT(17) /*!< software interrupt/event request from line 17 */
#define EXTI_SWIEV_SWIEV18 BIT(18) /*!< software interrupt/event request from line 18 */
/* EXTI_PD */
#define EXTI_PD_PD0 BIT(0) /*!< interrupt/event pending status from line 0 */
#define EXTI_PD_PD1 BIT(1) /*!< interrupt/event pending status from line 1 */
#define EXTI_PD_PD2 BIT(2) /*!< interrupt/event pending status from line 2 */
#define EXTI_PD_PD3 BIT(3) /*!< interrupt/event pending status from line 3 */
#define EXTI_PD_PD4 BIT(4) /*!< interrupt/event pending status from line 4 */
#define EXTI_PD_PD5 BIT(5) /*!< interrupt/event pending status from line 5 */
#define EXTI_PD_PD6 BIT(6) /*!< interrupt/event pending status from line 6 */
#define EXTI_PD_PD7 BIT(7) /*!< interrupt/event pending status from line 7 */
#define EXTI_PD_PD8 BIT(8) /*!< interrupt/event pending status from line 8 */
#define EXTI_PD_PD9 BIT(9) /*!< interrupt/event pending status from line 9 */
#define EXTI_PD_PD10 BIT(10) /*!< interrupt/event pending status from line 10 */
#define EXTI_PD_PD11 BIT(11) /*!< interrupt/event pending status from line 11 */
#define EXTI_PD_PD12 BIT(12) /*!< interrupt/event pending status from line 12 */
#define EXTI_PD_PD13 BIT(13) /*!< interrupt/event pending status from line 13 */
#define EXTI_PD_PD14 BIT(14) /*!< interrupt/event pending status from line 14 */
#define EXTI_PD_PD15 BIT(15) /*!< interrupt/event pending status from line 15 */
#define EXTI_PD_PD16 BIT(16) /*!< interrupt/event pending status from line 16 */
#define EXTI_PD_PD17 BIT(17) /*!< interrupt/event pending status from line 17 */
#define EXTI_PD_PD18 BIT(18) /*!< interrupt/event pending status from line 18 */
/* constants definitions */
/* EXTI line number */
typedef enum {
EXTI_0 = BIT(0), /*!< EXTI line 0 */
EXTI_1 = BIT(1), /*!< EXTI line 1 */
EXTI_2 = BIT(2), /*!< EXTI line 2 */
EXTI_3 = BIT(3), /*!< EXTI line 3 */
EXTI_4 = BIT(4), /*!< EXTI line 4 */
EXTI_5 = BIT(5), /*!< EXTI line 5 */
EXTI_6 = BIT(6), /*!< EXTI line 6 */
EXTI_7 = BIT(7), /*!< EXTI line 7 */
EXTI_8 = BIT(8), /*!< EXTI line 8 */
EXTI_9 = BIT(9), /*!< EXTI line 9 */
EXTI_10 = BIT(10), /*!< EXTI line 10 */
EXTI_11 = BIT(11), /*!< EXTI line 11 */
EXTI_12 = BIT(12), /*!< EXTI line 12 */
EXTI_13 = BIT(13), /*!< EXTI line 13 */
EXTI_14 = BIT(14), /*!< EXTI line 14 */
EXTI_15 = BIT(15), /*!< EXTI line 15 */
EXTI_16 = BIT(16), /*!< EXTI line 16 */
EXTI_17 = BIT(17), /*!< EXTI line 17 */
EXTI_18 = BIT(18), /*!< EXTI line 18 */
} exti_line_enum;
/* external interrupt and event */
typedef enum {
EXTI_INTERRUPT = 0, /*!< EXTI interrupt mode */
EXTI_EVENT /*!< EXTI event mode */
} exti_mode_enum;
/* interrupt trigger mode */
typedef enum {
EXTI_TRIG_RISING = 0, /*!< EXTI rising edge trigger */
EXTI_TRIG_FALLING, /*!< EXTI falling edge trigger */
EXTI_TRIG_BOTH, /*!< EXTI rising edge and falling edge trigger */
EXTI_TRIG_NONE /*!< without rising edge or falling edge trigger */
} exti_trig_type_enum;
/* function declarations */
/* initialization, EXTI lines configuration functions */
/* deinitialize the EXTI */
void exti_deinit(void);
/* enable the configuration of EXTI initialize */
void exti_init(exti_line_enum linex, exti_mode_enum mode, exti_trig_type_enum trig_type);
/* enable the interrupts from EXTI line x */
void exti_interrupt_enable(exti_line_enum linex);
/* enable the events from EXTI line x */
void exti_event_enable(exti_line_enum linex);
/* disable the interrupts from EXTI line x */
void exti_interrupt_disable(exti_line_enum linex);
/* disable the events from EXTI line x */
void exti_event_disable(exti_line_enum linex);
/* interrupt & flag functions */
/* get EXTI lines pending flag */
FlagStatus exti_flag_get(exti_line_enum linex);
/* clear EXTI lines pending flag */
void exti_flag_clear(exti_line_enum linex);
/* get EXTI lines flag when the interrupt flag is set */
FlagStatus exti_interrupt_flag_get(exti_line_enum linex);
/* clear EXTI lines pending flag */
void exti_interrupt_flag_clear(exti_line_enum linex);
/* enable the EXTI software interrupt event */
void exti_software_interrupt_enable(exti_line_enum linex);
/* disable the EXTI software interrupt event */
void exti_software_interrupt_disable(exti_line_enum linex);
#endif /* GD32VF103_EXTI_H */

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/*!
\file gd32vf103_fmc.h
\brief definitions for the FMC
\version 2019-06-05, V1.0.0, firmware for GD32VF103
\version 2019-09-18, V1.0.1, firmware for GD32VF103
*/
/*
Copyright (c) 2019, GigaDevice Semiconductor Inc.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
3. Neither the name of the copyright holder nor the names of its contributors
may be used to endorse or promote products derived from this software without
specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
OF SUCH DAMAGE.
*/
#ifndef GD32VF103_FMC_H
#define GD32VF103_FMC_H
#include "gd32vf103.h"
/* FMC and option byte definition */
#define FMC FMC_BASE /*!< FMC register base address */
#define OB OB_BASE /*!< option bytes base address */
/* registers definitions */
#define FMC_WS REG32((FMC) + 0x00U) /*!< FMC wait state register */
#define FMC_KEY REG32((FMC) + 0x04U) /*!< FMC unlock key register */
#define FMC_OBKEY REG32((FMC) + 0x08U) /*!< FMC option bytes unlock key register */
#define FMC_STAT REG32((FMC) + 0x0CU) /*!< FMC status register */
#define FMC_CTL REG32((FMC) + 0x10U) /*!< FMC control register */
#define FMC_ADDR REG32((FMC) + 0x14U) /*!< FMC address register */
#define FMC_OBSTAT REG32((FMC) + 0x1CU) /*!< FMC option bytes status register */
#define FMC_WP REG32((FMC) + 0x20U) /*!< FMC erase/program protection register */
#define FMC_PID REG32((FMC) + 0x100U) /*!< FMC product ID register */
#define OB_SPC REG16((OB) + 0x00U) /*!< option byte security protection value */
#define OB_USER REG16((OB) + 0x02U) /*!< option byte user value*/
#define OB_WP0 REG16((OB) + 0x08U) /*!< option byte write protection 0 */
#define OB_WP1 REG16((OB) + 0x0AU) /*!< option byte write protection 1 */
#define OB_WP2 REG16((OB) + 0x0CU) /*!< option byte write protection 2 */
#define OB_WP3 REG16((OB) + 0x0EU) /*!< option byte write protection 3 */
/* bits definitions */
/* FMC_WS */
#define FMC_WS_WSCNT BITS(0,2) /*!< wait state counter */
/* FMC_KEY */
#define FMC_KEY_KEY BITS(0,31) /*!< FMC_CTL unlock key bits */
/* FMC_OBKEY */
#define FMC_OBKEY_OBKEY BITS(0,31) /*!< option bytes unlock key bits */
/* FMC_STAT */
#define FMC_STAT_BUSY BIT(0) /*!< flash busy flag bit */
#define FMC_STAT_PGERR BIT(2) /*!< flash program error flag bit */
#define FMC_STAT_WPERR BIT(4) /*!< erase/program protection error flag bit */
#define FMC_STAT_ENDF BIT(5) /*!< end of operation flag bit */
/* FMC_CTL */
#define FMC_CTL_PG BIT(0) /*!< main flash program command bit */
#define FMC_CTL_PER BIT(1) /*!< main flash page erase command bit */
#define FMC_CTL_MER BIT(2) /*!< main flash mass erase command bit */
#define FMC_CTL_OBPG BIT(4) /*!< option bytes program command bit */
#define FMC_CTL_OBER BIT(5) /*!< option bytes erase command bit */
#define FMC_CTL_START BIT(6) /*!< send erase command to FMC bit */
#define FMC_CTL_LK BIT(7) /*!< FMC_CTL lock bit */
#define FMC_CTL_OBWEN BIT(9) /*!< option bytes erase/program enable bit */
#define FMC_CTL_ERRIE BIT(10) /*!< error interrupt enable bit */
#define FMC_CTL_ENDIE BIT(12) /*!< end of operation interrupt enable bit */
/* FMC_ADDR */
#define FMC_ADDR0_ADDR BITS(0,31) /*!< Flash erase/program command address bits */
/* FMC_OBSTAT */
#define FMC_OBSTAT_OBERR BIT(0) /*!< option bytes read error bit. */
#define FMC_OBSTAT_SPC BIT(1) /*!< option bytes security protection code */
#define FMC_OBSTAT_USER BITS(2,9) /*!< store USER of option bytes block after system reset */
#define FMC_OBSTAT_DATA BITS(10,25) /*!< store DATA of option bytes block after system reset. */
/* FMC_WP */
#define FMC_WP_WP BITS(0,31) /*!< store WP of option bytes block after system reset */
/* FMC_WSEN */
#define FMC_WSEN_WSEN BIT(0) /*!< FMC wait state enable bit */
/* FMC_PID */
#define FMC_PID_PID BITS(0,31) /*!< product ID bits */
/* constants definitions */
/* define the FMC bit position and its register index offset */
#define FMC_REGIDX_BIT(regidx, bitpos) (((uint32_t)(regidx) << 6) | (uint32_t)(bitpos))
#define FMC_REG_VAL(offset) (REG32(FMC + ((uint32_t)(offset) >> 6)))
#define FMC_BIT_POS(val) ((uint32_t)(val) & 0x1FU)
#define FMC_REGIDX_BITS(regidx, bitpos0, bitpos1) (((uint32_t)(regidx) << 12) | ((uint32_t)(bitpos0) << 6) | (uint32_t)(bitpos1))
#define FMC_REG_VALS(offset) (REG32(FMC + ((uint32_t)(offset) >> 12)))
#define FMC_BIT_POS0(val) (((uint32_t)(val) >> 6) & 0x1FU)
#define FMC_BIT_POS1(val) ((uint32_t)(val) & 0x1FU)
#define FMC_REG_OFFSET_GET(flag) ((uint32_t)(flag) >> 12)
/* configuration register */
#define FMC_STAT_REG_OFFSET 0x0CU /*!< status register offset */
#define FMC_CTL_REG_OFFSET 0x10U /*!< control register offset */
#define FMC_OBSTAT_REG_OFFSET 0x1CU /*!< option byte status register offset */
/* fmc state */
typedef enum
{
FMC_READY, /*!< the operation has been completed */
FMC_BUSY, /*!< the operation is in progress */
FMC_PGERR, /*!< program error */
FMC_WPERR, /*!< erase/program protection error */
FMC_TOERR, /*!< timeout error */
}fmc_state_enum;
/* FMC interrupt enable */
typedef enum
{
FMC_INT_END = FMC_REGIDX_BIT(FMC_CTL_REG_OFFSET, 12U), /*!< enable FMC end of program interrupt */
FMC_INT_ERR = FMC_REGIDX_BIT(FMC_CTL_REG_OFFSET, 10U), /*!< enable FMC error interrupt */
}fmc_int_enum;
/* FMC flags */
typedef enum
{
FMC_FLAG_BUSY = FMC_REGIDX_BIT(FMC_STAT_REG_OFFSET, 0U), /*!< FMC busy flag */
FMC_FLAG_PGERR = FMC_REGIDX_BIT(FMC_STAT_REG_OFFSET, 2U), /*!< FMC operation error flag bit */
FMC_FLAG_WPERR = FMC_REGIDX_BIT(FMC_STAT_REG_OFFSET, 4U), /*!< FMC erase/program protection error flag bit */
FMC_FLAG_END = FMC_REGIDX_BIT(FMC_STAT_REG_OFFSET, 5U), /*!< FMC end of operation flag bit */
FMC_FLAG_OBERR = FMC_REGIDX_BIT(FMC_OBSTAT_REG_OFFSET, 0U), /*!< FMC option bytes read error flag */
}fmc_flag_enum;
/* FMC interrupt flags */
typedef enum
{
FMC_INT_FLAG_PGERR = FMC_REGIDX_BITS(FMC_STAT_REG_OFFSET, 2U, 10U), /*!< FMC operation error interrupt flag bit */
FMC_INT_FLAG_WPERR = FMC_REGIDX_BITS(FMC_STAT_REG_OFFSET, 4U, 10U), /*!< FMC erase/program protection error interrupt flag bit */
FMC_INT_FLAG_END = FMC_REGIDX_BITS(FMC_STAT_REG_OFFSET, 5U, 12U), /*!< FMC end of operation interrupt flag bit */
}fmc_interrupt_flag_enum;
/* unlock key */
#define UNLOCK_KEY0 ((uint32_t)0x45670123U) /*!< unlock key 0 */
#define UNLOCK_KEY1 ((uint32_t)0xCDEF89ABU) /*!< unlock key 1 */
/* FMC wait state counter */
#define WS_WSCNT(regval) (BITS(0,2) & ((uint32_t)(regval)))
#define WS_WSCNT_0 WS_WSCNT(0) /*!< FMC 0 wait */
#define WS_WSCNT_1 WS_WSCNT(1) /*!< FMC 1 wait */
#define WS_WSCNT_2 WS_WSCNT(2) /*!< FMC 2 wait */
/* option bytes software/hardware free watch dog timer */
#define OB_FWDGT_SW ((uint8_t)0x01U) /*!< software free watchdog */
#define OB_FWDGT_HW ((uint8_t)0x00U) /*!< hardware free watchdog */
/* option bytes reset or not entering deep sleep mode */
#define OB_DEEPSLEEP_NRST ((uint8_t)0x02U) /*!< no reset when entering deepsleep mode */
#define OB_DEEPSLEEP_RST ((uint8_t)0x00U) /*!< generate a reset instead of entering deepsleep mode */
/* option bytes reset or not entering standby mode */
#define OB_STDBY_NRST ((uint8_t)0x04U) /*!< no reset when entering deepsleep mode */
#define OB_STDBY_RST ((uint8_t)0x00U) /*!< generate a reset instead of entering standby mode */
/* option bytes boot bank value */
#define OB_BOOT_B0 ((uint8_t)0x08U) /*!< boot from bank0 */
#define OB_USER_MASK ((uint8_t)0xF0U) /*!< MASK value */
/* read protect configure */
#define FMC_NSPC ((uint8_t)0xA5U) /*!< no security protection */
#define FMC_USPC ((uint8_t)0xBBU) /*!< under security protection */
/* OB_SPC */
#define OB_SPC_SPC ((uint32_t)0x000000FFU) /*!< option byte security protection value */
#define OB_SPC_SPC_N ((uint32_t)0x0000FF00U) /*!< option byte security protection complement value */
/* OB_USER */
#define OB_USER_USER ((uint32_t)0x00FF0000U) /*!< user option value */
#define OB_USER_USER_N ((uint32_t)0xFF000000U) /*!< user option complement value */
/* OB_WP0 */
#define OB_WP0_WP0 ((uint32_t)0x000000FFU) /*!< FMC write protection option value */
/* OB_WP1 */
#define OB_WP1_WP1 ((uint32_t)0x0000FF00U) /*!< FMC write protection option complement value */
/* OB_WP2 */
#define OB_WP2_WP2 ((uint32_t)0x00FF0000U) /*!< FMC write protection option value */
/* OB_WP3 */
#define OB_WP3_WP3 ((uint32_t)0xFF000000U) /*!< FMC write protection option complement value */
/* option bytes write protection */
#define OB_WP_0 ((uint32_t)0x00000001U) /*!< erase/program protection of sector 0 */
#define OB_WP_1 ((uint32_t)0x00000002U) /*!< erase/program protection of sector 1 */
#define OB_WP_2 ((uint32_t)0x00000004U) /*!< erase/program protection of sector 2 */
#define OB_WP_3 ((uint32_t)0x00000008U) /*!< erase/program protection of sector 3 */
#define OB_WP_4 ((uint32_t)0x00000010U) /*!< erase/program protection of sector 4 */
#define OB_WP_5 ((uint32_t)0x00000020U) /*!< erase/program protection of sector 5 */
#define OB_WP_6 ((uint32_t)0x00000040U) /*!< erase/program protection of sector 6 */
#define OB_WP_7 ((uint32_t)0x00000080U) /*!< erase/program protection of sector 7 */
#define OB_WP_8 ((uint32_t)0x00000100U) /*!< erase/program protection of sector 8 */
#define OB_WP_9 ((uint32_t)0x00000200U) /*!< erase/program protection of sector 9 */
#define OB_WP_10 ((uint32_t)0x00000400U) /*!< erase/program protection of sector 10 */
#define OB_WP_11 ((uint32_t)0x00000800U) /*!< erase/program protection of sector 11 */
#define OB_WP_12 ((uint32_t)0x00001000U) /*!< erase/program protection of sector 12 */
#define OB_WP_13 ((uint32_t)0x00002000U) /*!< erase/program protection of sector 13 */
#define OB_WP_14 ((uint32_t)0x00004000U) /*!< erase/program protection of sector 14 */
#define OB_WP_15 ((uint32_t)0x00008000U) /*!< erase/program protection of sector 15 */
#define OB_WP_16 ((uint32_t)0x00010000U) /*!< erase/program protection of sector 16 */
#define OB_WP_17 ((uint32_t)0x00020000U) /*!< erase/program protection of sector 17 */
#define OB_WP_18 ((uint32_t)0x00040000U) /*!< erase/program protection of sector 18 */
#define OB_WP_19 ((uint32_t)0x00080000U) /*!< erase/program protection of sector 19 */
#define OB_WP_20 ((uint32_t)0x00100000U) /*!< erase/program protection of sector 20 */
#define OB_WP_21 ((uint32_t)0x00200000U) /*!< erase/program protection of sector 21 */
#define OB_WP_22 ((uint32_t)0x00400000U) /*!< erase/program protection of sector 22 */
#define OB_WP_23 ((uint32_t)0x00800000U) /*!< erase/program protection of sector 23 */
#define OB_WP_24 ((uint32_t)0x01000000U) /*!< erase/program protection of sector 24 */
#define OB_WP_25 ((uint32_t)0x02000000U) /*!< erase/program protection of sector 25 */
#define OB_WP_26 ((uint32_t)0x04000000U) /*!< erase/program protection of sector 26 */
#define OB_WP_27 ((uint32_t)0x08000000U) /*!< erase/program protection of sector 27 */
#define OB_WP_28 ((uint32_t)0x10000000U) /*!< erase/program protection of sector 28 */
#define OB_WP_29 ((uint32_t)0x20000000U) /*!< erase/program protection of sector 29 */
#define OB_WP_30 ((uint32_t)0x40000000U) /*!< erase/program protection of sector 30 */
#define OB_WP_31 ((uint32_t)0x80000000U) /*!< erase/program protection of sector 31 */
#define OB_WP_ALL ((uint32_t)0xFFFFFFFFU) /*!< erase/program protection of all sectors */
/* FMC timeout */
#define FMC_TIMEOUT_COUNT ((uint32_t)0x000F0000U) /*!< FMC timeout count value */
/* FMC BANK address */
#define FMC_SIZE (*(uint16_t *)0x1FFFF7E0U) /*!< FMC size */
#define SRAM_SIZE (*(uint16_t *)0x1FFFF7E2U) /*!< SRAM size*/
/* function declarations */
/* FMC main memory programming functions */
/* set the FMC wait state counter */
void fmc_wscnt_set(uint32_t wscnt);
/* unlock the main FMC operation */
void fmc_unlock(void);
/* lock the main FMC operation */
void fmc_lock(void);
/* FMC erase page */
fmc_state_enum fmc_page_erase(uint32_t page_address);
/* FMC erase whole chip */
fmc_state_enum fmc_mass_erase(void);
/* FMC program a word at the corresponding address */
fmc_state_enum fmc_word_program(uint32_t address, uint32_t data);
/* FMC program a half word at the corresponding address */
fmc_state_enum fmc_halfword_program(uint32_t address, uint16_t data);
/* FMC option bytes programming functions */
/* unlock the option byte operation */
void ob_unlock(void);
/* lock the option byte operation */
void ob_lock(void);
/* erase the FMC option byte */
fmc_state_enum ob_erase(void);
/* enable write protection */
fmc_state_enum ob_write_protection_enable(uint32_t ob_wp);
/* configure security protection */
fmc_state_enum ob_security_protection_config(uint8_t ob_spc);
/* program the FMC user option byte */
fmc_state_enum ob_user_write(uint8_t ob_fwdgt, uint8_t ob_deepsleep, uint8_t ob_stdby, uint8_t ob_boot);
/* program the FMC data option byte */
fmc_state_enum ob_data_program(uint32_t address, uint8_t data);
/* get OB_USER in register FMC_OBSTAT */
uint8_t ob_user_get(void);
/* get OB_DATA in register FMC_OBSTAT */
uint16_t ob_data_get(void);
/* get the FMC option byte write protection */
uint32_t ob_write_protection_get(void);
/* get FMC option byte security protection state */
FlagStatus ob_spc_get(void);
/* FMC interrupts and flags management functions */
/* enable FMC interrupt */
void fmc_interrupt_enable(uint32_t interrupt);
/* disable FMC interrupt */
void fmc_interrupt_disable(uint32_t interrupt);
/* check flag is set or not */
FlagStatus fmc_flag_get(uint32_t flag);
/* clear the FMC flag */
void fmc_flag_clear(uint32_t flag);
/* get FMC interrupt flag state */
FlagStatus fmc_interrupt_flag_get(fmc_interrupt_flag_enum flag);
/* clear FMC interrupt flag state */
void fmc_interrupt_flag_clear(fmc_interrupt_flag_enum flag);
/* return the FMC state */
fmc_state_enum fmc_state_get(void);
/* check FMC ready or not */
fmc_state_enum fmc_ready_wait(uint32_t timeout);
#endif /* GD32VF103_FMC_H */

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/*!
\file gd32vf103_fwdgt.h
\brief definitions for the FWDGT
\version 2019-06-05, V1.0.0, firmware for GD32VF103
*/
/*
Copyright (c) 2019, GigaDevice Semiconductor Inc.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
3. Neither the name of the copyright holder nor the names of its contributors
may be used to endorse or promote products derived from this software without
specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
OF SUCH DAMAGE.
*/
#ifndef GD32VF103_FWDGT_H
#define GD32VF103_FWDGT_H
#include "gd32vf103.h"
/* FWDGT definitions */
#define FWDGT FWDGT_BASE /*!< FWDGT base address */
/* registers definitions */
#define FWDGT_CTL REG32((FWDGT) + 0x00000000U) /*!< FWDGT control register */
#define FWDGT_PSC REG32((FWDGT) + 0x00000004U) /*!< FWDGT prescaler register */
#define FWDGT_RLD REG32((FWDGT) + 0x00000008U) /*!< FWDGT reload register */
#define FWDGT_STAT REG32((FWDGT) + 0x0000000CU) /*!< FWDGT status register */
/* bits definitions */
/* FWDGT_CTL */
#define FWDGT_CTL_CMD BITS(0,15) /*!< FWDGT command value */
/* FWDGT_PSC */
#define FWDGT_PSC_PSC BITS(0,2) /*!< FWDGT prescaler divider value */
/* FWDGT_RLD */
#define FWDGT_RLD_RLD BITS(0,11) /*!< FWDGT counter reload value */
/* FWDGT_STAT */
#define FWDGT_STAT_PUD BIT(0) /*!< FWDGT prescaler divider value update */
#define FWDGT_STAT_RUD BIT(1) /*!< FWDGT counter reload value update */
/* constants definitions */
/* psc register value */
#define PSC_PSC(regval) (BITS(0,2) & ((uint32_t)(regval) << 0))
#define FWDGT_PSC_DIV4 ((uint8_t)PSC_PSC(0)) /*!< FWDGT prescaler set to 4 */
#define FWDGT_PSC_DIV8 ((uint8_t)PSC_PSC(1)) /*!< FWDGT prescaler set to 8 */
#define FWDGT_PSC_DIV16 ((uint8_t)PSC_PSC(2)) /*!< FWDGT prescaler set to 16 */
#define FWDGT_PSC_DIV32 ((uint8_t)PSC_PSC(3)) /*!< FWDGT prescaler set to 32 */
#define FWDGT_PSC_DIV64 ((uint8_t)PSC_PSC(4)) /*!< FWDGT prescaler set to 64 */
#define FWDGT_PSC_DIV128 ((uint8_t)PSC_PSC(5)) /*!< FWDGT prescaler set to 128 */
#define FWDGT_PSC_DIV256 ((uint8_t)PSC_PSC(6)) /*!< FWDGT prescaler set to 256 */
/* control value */
#define FWDGT_WRITEACCESS_ENABLE ((uint16_t)0x5555U) /*!< FWDGT_CTL bits write access enable value */
#define FWDGT_WRITEACCESS_DISABLE ((uint16_t)0x0000U) /*!< FWDGT_CTL bits write access disable value */
#define FWDGT_KEY_RELOAD ((uint16_t)0xAAAAU) /*!< FWDGT_CTL bits fwdgt counter reload value */
#define FWDGT_KEY_ENABLE ((uint16_t)0xCCCCU) /*!< FWDGT_CTL bits fwdgt counter enable value */
/* FWDGT timeout value */
#define FWDGT_PSC_TIMEOUT ((uint32_t)0x000FFFFFU) /*!< FWDGT_PSC register write operation state flag timeout */
#define FWDGT_RLD_TIMEOUT ((uint32_t)0x000FFFFFU) /*!< FWDGT_RLD register write operation state flag timeout */
/* FWDGT flag definitions */
#define FWDGT_FLAG_PUD FWDGT_STAT_PUD /*!< FWDGT prescaler divider value update flag */
#define FWDGT_FLAG_RUD FWDGT_STAT_RUD /*!< FWDGT counter reload value update flag */
/* function declarations */
/* enable write access to FWDGT_PSC and FWDGT_RLD */
void fwdgt_write_enable(void);
/* disable write access to FWDGT_PSC and FWDGT_RLD */
void fwdgt_write_disable(void);
/* start the free watchdog timer counter */
void fwdgt_enable(void);
/* reload the counter of FWDGT */
void fwdgt_counter_reload(void);
/* configure counter reload value, and prescaler divider value */
ErrStatus fwdgt_config(uint16_t reload_value, uint8_t prescaler_div);
/* get flag state of FWDGT */
FlagStatus fwdgt_flag_get(uint16_t flag);
#endif /* GD32VF103_FWDGT_H */

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/*!
\file gd32vf103_gpio.h
\brief definitions for the GPIO
\version 2019-06-5, V1.0.0, firmware for GD32VF103
*/
/*
Copyright (c) 2019, GigaDevice Semiconductor Inc.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
3. Neither the name of the copyright holder nor the names of its contributors
may be used to endorse or promote products derived from this software without
specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
OF SUCH DAMAGE.
*/
#ifndef GD32VF103_GPIO_H
#define GD32VF103_GPIO_H
#include "gd32vf103.h"
/* GPIOx(x=A,B,C,D,E) definitions */
#define GPIOA (GPIO_BASE + 0x00000000U)
#define GPIOB (GPIO_BASE + 0x00000400U)
#define GPIOC (GPIO_BASE + 0x00000800U)
#define GPIOD (GPIO_BASE + 0x00000C00U)
#define GPIOE (GPIO_BASE + 0x00001000U)
/* AFIO definitions */
#define AFIO AFIO_BASE
/* registers definitions */
/* GPIO registers definitions */
#define GPIO_CTL0(gpiox) REG32((gpiox) + 0x00U) /*!< GPIO port control register 0 */
#define GPIO_CTL1(gpiox) REG32((gpiox) + 0x04U) /*!< GPIO port control register 1 */
#define GPIO_ISTAT(gpiox) REG32((gpiox) + 0x08U) /*!< GPIO port input status register */
#define GPIO_OCTL(gpiox) REG32((gpiox) + 0x0CU) /*!< GPIO port output control register */
#define GPIO_BOP(gpiox) REG32((gpiox) + 0x10U) /*!< GPIO port bit operation register */
#define GPIO_BC(gpiox) REG32((gpiox) + 0x14U) /*!< GPIO bit clear register */
#define GPIO_LOCK(gpiox) REG32((gpiox) + 0x18U) /*!< GPIO port configuration lock register */
/* AFIO registers definitions */
#define AFIO_EC REG32(AFIO + 0x00U) /*!< AFIO event control register */
#define AFIO_PCF0 REG32(AFIO + 0x04U) /*!< AFIO port configuration register 0 */
#define AFIO_EXTISS0 REG32(AFIO + 0x08U) /*!< AFIO port EXTI sources selection register 0 */
#define AFIO_EXTISS1 REG32(AFIO + 0x0CU) /*!< AFIO port EXTI sources selection register 1 */
#define AFIO_EXTISS2 REG32(AFIO + 0x10U) /*!< AFIO port EXTI sources selection register 2 */
#define AFIO_EXTISS3 REG32(AFIO + 0x14U) /*!< AFIO port EXTI sources selection register 3 */
#define AFIO_PCF1 REG32(AFIO + 0x1CU) /*!< AFIO port configuration register 1 */
/* bits definitions */
/* GPIO_CTL0 */
#define GPIO_CTL0_MD0 BITS(0, 1) /*!< port 0 mode bits */
#define GPIO_CTL0_CTL0 BITS(2, 3) /*!< pin 0 configuration bits */
#define GPIO_CTL0_MD1 BITS(4, 5) /*!< port 1 mode bits */
#define GPIO_CTL0_CTL1 BITS(6, 7) /*!< pin 1 configuration bits */
#define GPIO_CTL0_MD2 BITS(8, 9) /*!< port 2 mode bits */
#define GPIO_CTL0_CTL2 BITS(10, 11) /*!< pin 2 configuration bits */
#define GPIO_CTL0_MD3 BITS(12, 13) /*!< port 3 mode bits */
#define GPIO_CTL0_CTL3 BITS(14, 15) /*!< pin 3 configuration bits */
#define GPIO_CTL0_MD4 BITS(16, 17) /*!< port 4 mode bits */
#define GPIO_CTL0_CTL4 BITS(18, 19) /*!< pin 4 configuration bits */
#define GPIO_CTL0_MD5 BITS(20, 21) /*!< port 5 mode bits */
#define GPIO_CTL0_CTL5 BITS(22, 23) /*!< pin 5 configuration bits */
#define GPIO_CTL0_MD6 BITS(24, 25) /*!< port 6 mode bits */
#define GPIO_CTL0_CTL6 BITS(26, 27) /*!< pin 6 configuration bits */
#define GPIO_CTL0_MD7 BITS(28, 29) /*!< port 7 mode bits */
#define GPIO_CTL0_CTL7 BITS(30, 31) /*!< pin 7 configuration bits */
/* GPIO_CTL1 */
#define GPIO_CTL1_MD8 BITS(0, 1) /*!< port 8 mode bits */
#define GPIO_CTL1_CTL8 BITS(2, 3) /*!< pin 8 configuration bits */
#define GPIO_CTL1_MD9 BITS(4, 5) /*!< port 9 mode bits */
#define GPIO_CTL1_CTL9 BITS(6, 7) /*!< pin 9 configuration bits */
#define GPIO_CTL1_MD10 BITS(8, 9) /*!< port 10 mode bits */
#define GPIO_CTL1_CTL10 BITS(10, 11) /*!< pin 10 configuration bits */
#define GPIO_CTL1_MD11 BITS(12, 13) /*!< port 11 mode bits */
#define GPIO_CTL1_CTL11 BITS(14, 15) /*!< pin 11 configuration bits */
#define GPIO_CTL1_MD12 BITS(16, 17) /*!< port 12 mode bits */
#define GPIO_CTL1_CTL12 BITS(18, 19) /*!< pin 12 configuration bits */
#define GPIO_CTL1_MD13 BITS(20, 21) /*!< port 13 mode bits */
#define GPIO_CTL1_CTL13 BITS(22, 23) /*!< pin 13 configuration bits */
#define GPIO_CTL1_MD14 BITS(24, 25) /*!< port 14 mode bits */
#define GPIO_CTL1_CTL14 BITS(26, 27) /*!< pin 14 configuration bits */
#define GPIO_CTL1_MD15 BITS(28, 29) /*!< port 15 mode bits */
#define GPIO_CTL1_CTL15 BITS(30, 31) /*!< pin 15 configuration bits */
/* GPIO_ISTAT */
#define GPIO_ISTAT_ISTAT0 BIT(0) /*!< pin 0 input status */
#define GPIO_ISTAT_ISTAT1 BIT(1) /*!< pin 1 input status */
#define GPIO_ISTAT_ISTAT2 BIT(2) /*!< pin 2 input status */
#define GPIO_ISTAT_ISTAT3 BIT(3) /*!< pin 3 input status */
#define GPIO_ISTAT_ISTAT4 BIT(4) /*!< pin 4 input status */
#define GPIO_ISTAT_ISTAT5 BIT(5) /*!< pin 5 input status */
#define GPIO_ISTAT_ISTAT6 BIT(6) /*!< pin 6 input status */
#define GPIO_ISTAT_ISTAT7 BIT(7) /*!< pin 7 input status */
#define GPIO_ISTAT_ISTAT8 BIT(8) /*!< pin 8 input status */
#define GPIO_ISTAT_ISTAT9 BIT(9) /*!< pin 9 input status */
#define GPIO_ISTAT_ISTAT10 BIT(10) /*!< pin 10 input status */
#define GPIO_ISTAT_ISTAT11 BIT(11) /*!< pin 11 input status */
#define GPIO_ISTAT_ISTAT12 BIT(12) /*!< pin 12 input status */
#define GPIO_ISTAT_ISTAT13 BIT(13) /*!< pin 13 input status */
#define GPIO_ISTAT_ISTAT14 BIT(14) /*!< pin 14 input status */
#define GPIO_ISTAT_ISTAT15 BIT(15) /*!< pin 15 input status */
/* GPIO_OCTL */
#define GPIO_OCTL_OCTL0 BIT(0) /*!< pin 0 output bit */
#define GPIO_OCTL_OCTL1 BIT(1) /*!< pin 1 output bit */
#define GPIO_OCTL_OCTL2 BIT(2) /*!< pin 2 output bit */
#define GPIO_OCTL_OCTL3 BIT(3) /*!< pin 3 output bit */
#define GPIO_OCTL_OCTL4 BIT(4) /*!< pin 4 output bit */
#define GPIO_OCTL_OCTL5 BIT(5) /*!< pin 5 output bit */
#define GPIO_OCTL_OCTL6 BIT(6) /*!< pin 6 output bit */
#define GPIO_OCTL_OCTL7 BIT(7) /*!< pin 7 output bit */
#define GPIO_OCTL_OCTL8 BIT(8) /*!< pin 8 output bit */
#define GPIO_OCTL_OCTL9 BIT(9) /*!< pin 9 output bit */
#define GPIO_OCTL_OCTL10 BIT(10) /*!< pin 10 output bit */
#define GPIO_OCTL_OCTL11 BIT(11) /*!< pin 11 output bit */
#define GPIO_OCTL_OCTL12 BIT(12) /*!< pin 12 output bit */
#define GPIO_OCTL_OCTL13 BIT(13) /*!< pin 13 output bit */
#define GPIO_OCTL_OCTL14 BIT(14) /*!< pin 14 output bit */
#define GPIO_OCTL_OCTL15 BIT(15) /*!< pin 15 output bit */
/* GPIO_BOP */
#define GPIO_BOP_BOP0 BIT(0) /*!< pin 0 set bit */
#define GPIO_BOP_BOP1 BIT(1) /*!< pin 1 set bit */
#define GPIO_BOP_BOP2 BIT(2) /*!< pin 2 set bit */
#define GPIO_BOP_BOP3 BIT(3) /*!< pin 3 set bit */
#define GPIO_BOP_BOP4 BIT(4) /*!< pin 4 set bit */
#define GPIO_BOP_BOP5 BIT(5) /*!< pin 5 set bit */
#define GPIO_BOP_BOP6 BIT(6) /*!< pin 6 set bit */
#define GPIO_BOP_BOP7 BIT(7) /*!< pin 7 set bit */
#define GPIO_BOP_BOP8 BIT(8) /*!< pin 8 set bit */
#define GPIO_BOP_BOP9 BIT(9) /*!< pin 9 set bit */
#define GPIO_BOP_BOP10 BIT(10) /*!< pin 10 set bit */
#define GPIO_BOP_BOP11 BIT(11) /*!< pin 11 set bit */
#define GPIO_BOP_BOP12 BIT(12) /*!< pin 12 set bit */
#define GPIO_BOP_BOP13 BIT(13) /*!< pin 13 set bit */
#define GPIO_BOP_BOP14 BIT(14) /*!< pin 14 set bit */
#define GPIO_BOP_BOP15 BIT(15) /*!< pin 15 set bit */
#define GPIO_BOP_CR0 BIT(16) /*!< pin 0 clear bit */
#define GPIO_BOP_CR1 BIT(17) /*!< pin 1 clear bit */
#define GPIO_BOP_CR2 BIT(18) /*!< pin 2 clear bit */
#define GPIO_BOP_CR3 BIT(19) /*!< pin 3 clear bit */
#define GPIO_BOP_CR4 BIT(20) /*!< pin 4 clear bit */
#define GPIO_BOP_CR5 BIT(21) /*!< pin 5 clear bit */
#define GPIO_BOP_CR6 BIT(22) /*!< pin 6 clear bit */
#define GPIO_BOP_CR7 BIT(23) /*!< pin 7 clear bit */
#define GPIO_BOP_CR8 BIT(24) /*!< pin 8 clear bit */
#define GPIO_BOP_CR9 BIT(25) /*!< pin 9 clear bit */
#define GPIO_BOP_CR10 BIT(26) /*!< pin 10 clear bit */
#define GPIO_BOP_CR11 BIT(27) /*!< pin 11 clear bit */
#define GPIO_BOP_CR12 BIT(28) /*!< pin 12 clear bit */
#define GPIO_BOP_CR13 BIT(29) /*!< pin 13 clear bit */
#define GPIO_BOP_CR14 BIT(30) /*!< pin 14 clear bit */
#define GPIO_BOP_CR15 BIT(31) /*!< pin 15 clear bit */
/* GPIO_BC */
#define GPIO_BC_CR0 BIT(0) /*!< pin 0 clear bit */
#define GPIO_BC_CR1 BIT(1) /*!< pin 1 clear bit */
#define GPIO_BC_CR2 BIT(2) /*!< pin 2 clear bit */
#define GPIO_BC_CR3 BIT(3) /*!< pin 3 clear bit */
#define GPIO_BC_CR4 BIT(4) /*!< pin 4 clear bit */
#define GPIO_BC_CR5 BIT(5) /*!< pin 5 clear bit */
#define GPIO_BC_CR6 BIT(6) /*!< pin 6 clear bit */
#define GPIO_BC_CR7 BIT(7) /*!< pin 7 clear bit */
#define GPIO_BC_CR8 BIT(8) /*!< pin 8 clear bit */
#define GPIO_BC_CR9 BIT(9) /*!< pin 9 clear bit */
#define GPIO_BC_CR10 BIT(10) /*!< pin 10 clear bit */
#define GPIO_BC_CR11 BIT(11) /*!< pin 11 clear bit */
#define GPIO_BC_CR12 BIT(12) /*!< pin 12 clear bit */
#define GPIO_BC_CR13 BIT(13) /*!< pin 13 clear bit */
#define GPIO_BC_CR14 BIT(14) /*!< pin 14 clear bit */
#define GPIO_BC_CR15 BIT(15) /*!< pin 15 clear bit */
/* GPIO_LOCK */
#define GPIO_LOCK_LK0 BIT(0) /*!< pin 0 lock bit */
#define GPIO_LOCK_LK1 BIT(1) /*!< pin 1 lock bit */
#define GPIO_LOCK_LK2 BIT(2) /*!< pin 2 lock bit */
#define GPIO_LOCK_LK3 BIT(3) /*!< pin 3 lock bit */
#define GPIO_LOCK_LK4 BIT(4) /*!< pin 4 lock bit */
#define GPIO_LOCK_LK5 BIT(5) /*!< pin 5 lock bit */
#define GPIO_LOCK_LK6 BIT(6) /*!< pin 6 lock bit */
#define GPIO_LOCK_LK7 BIT(7) /*!< pin 7 lock bit */
#define GPIO_LOCK_LK8 BIT(8) /*!< pin 8 lock bit */
#define GPIO_LOCK_LK9 BIT(9) /*!< pin 9 lock bit */
#define GPIO_LOCK_LK10 BIT(10) /*!< pin 10 lock bit */
#define GPIO_LOCK_LK11 BIT(11) /*!< pin 11 lock bit */
#define GPIO_LOCK_LK12 BIT(12) /*!< pin 12 lock bit */
#define GPIO_LOCK_LK13 BIT(13) /*!< pin 13 lock bit */
#define GPIO_LOCK_LK14 BIT(14) /*!< pin 14 lock bit */
#define GPIO_LOCK_LK15 BIT(15) /*!< pin 15 lock bit */
#define GPIO_LOCK_LKK BIT(16) /*!< pin sequence lock key */
/* AFIO_EC */
#define AFIO_EC_PIN BITS(0, 3) /*!< event output pin selection */
#define AFIO_EC_PORT BITS(4, 6) /*!< event output port selection */
#define AFIO_EC_EOE BIT(7) /*!< event output enable */
/* AFIO_PCF0 */
#define AFIO_PCF0_SPI0_REMAP BIT(0) /*!< SPI0 remapping */
#define AFIO_PCF0_I2C0_REMAP BIT(1) /*!< I2C0 remapping */
#define AFIO_PCF0_USART0_REMAP BIT(2) /*!< USART0 remapping */
#define AFIO_PCF0_USART1_REMAP BIT(3) /*!< USART1 remapping */
#define AFIO_PCF0_USART2_REMAP BITS(4, 5) /*!< USART2 remapping */
#define AFIO_PCF0_TIMER0_REMAP BITS(6, 7) /*!< TIMER0 remapping */
#define AFIO_PCF0_TIMER1_REMAP BITS(8, 9) /*!< TIMER1 remapping */
#define AFIO_PCF0_TIMER2_REMAP BITS(10, 11) /*!< TIMER2 remapping */
#define AFIO_PCF0_TIMER3_REMAP BIT(12) /*!< TIMER3 remapping */
#define AFIO_PCF0_CAN_REMAP BITS(13, 14) /*!< CAN remapping */
#define AFIO_PCF0_PD01_REMAP BIT(15) /*!< port D0/port D1 mapping on OSC_IN/OSC_OUT */
#define AFIO_PCF0_TIMER4CH3_IREMAP BIT(16) /*!< TIMER3 channel3 internal remapping */
#define AFIO_PCF0_SWJ_CFG BITS(24, 26) /*!< serial wire JTAG configuration */
#define AFIO_PCF0_SPI2_REMAP BIT(28) /*!< SPI2/I2S2 remapping */
#define AFIO_PCF0_TIMER1_ITI1_REMAP BIT(29) /*!< TIMER1 internal trigger 1 remapping */
/* AFIO_EXTISS0 */
#define AFIO_EXTI0_SS BITS(0, 3) /*!< EXTI 0 sources selection */
#define AFIO_EXTI1_SS BITS(4, 7) /*!< EXTI 1 sources selection */
#define AFIO_EXTI2_SS BITS(8, 11) /*!< EXTI 2 sources selection */
#define AFIO_EXTI3_SS BITS(12, 15) /*!< EXTI 3 sources selection */
/* AFIO_EXTISS1 */
#define AFIO_EXTI4_SS BITS(0, 3) /*!< EXTI 4 sources selection */
#define AFIO_EXTI5_SS BITS(4, 7) /*!< EXTI 5 sources selection */
#define AFIO_EXTI6_SS BITS(8, 11) /*!< EXTI 6 sources selection */
#define AFIO_EXTI7_SS BITS(12, 15) /*!< EXTI 7 sources selection */
/* AFIO_EXTISS2 */
#define AFIO_EXTI8_SS BITS(0, 3) /*!< EXTI 8 sources selection */
#define AFIO_EXTI9_SS BITS(4, 7) /*!< EXTI 9 sources selection */
#define AFIO_EXTI10_SS BITS(8, 11) /*!< EXTI 10 sources selection */
#define AFIO_EXTI11_SS BITS(12, 15) /*!< EXTI 11 sources selection */
/* AFIO_EXTISS3 */
#define AFIO_EXTI12_SS BITS(0, 3) /*!< EXTI 12 sources selection */
#define AFIO_EXTI13_SS BITS(4, 7) /*!< EXTI 13 sources selection */
#define AFIO_EXTI14_SS BITS(8, 11) /*!< EXTI 14 sources selection */
#define AFIO_EXTI15_SS BITS(12, 15) /*!< EXTI 15 sources selection */
/* AFIO_PCF1 */
#define AFIO_PCF1_EXMC_NADV BIT(10) /*!< EXMC_NADV connect/disconnect */
/* constants definitions */
typedef FlagStatus bit_status;
/* GPIO mode values set */
#define GPIO_MODE_SET(n, mode) ((uint32_t)((uint32_t)(mode) << (4U * (n))))
#define GPIO_MODE_MASK(n) (0xFU << (4U * (n)))
/* GPIO mode definitions */
#define GPIO_MODE_AIN ((uint8_t)0x00U) /*!< analog input mode */
#define GPIO_MODE_IN_FLOATING ((uint8_t)0x04U) /*!< floating input mode */
#define GPIO_MODE_IPD ((uint8_t)0x28U) /*!< pull-down input mode */
#define GPIO_MODE_IPU ((uint8_t)0x48U) /*!< pull-up input mode */
#define GPIO_MODE_OUT_OD ((uint8_t)0x14U) /*!< GPIO output with open-drain */
#define GPIO_MODE_OUT_PP ((uint8_t)0x10U) /*!< GPIO output with push-pull */
#define GPIO_MODE_AF_OD ((uint8_t)0x1CU) /*!< AFIO output with open-drain */
#define GPIO_MODE_AF_PP ((uint8_t)0x18U) /*!< AFIO output with push-pull */
/* GPIO output max speed value */
#define GPIO_OSPEED_10MHZ ((uint8_t)0x01U) /*!< output max speed 10MHz */
#define GPIO_OSPEED_2MHZ ((uint8_t)0x02U) /*!< output max speed 2MHz */
#define GPIO_OSPEED_50MHZ ((uint8_t)0x03U) /*!< output max speed 50MHz */
/* GPIO event output port definitions */
#define GPIO_EVENT_PORT_GPIOA ((uint8_t)0x00U) /*!< event output port A */
#define GPIO_EVENT_PORT_GPIOB ((uint8_t)0x01U) /*!< event output port B */
#define GPIO_EVENT_PORT_GPIOC ((uint8_t)0x02U) /*!< event output port C */
#define GPIO_EVENT_PORT_GPIOD ((uint8_t)0x03U) /*!< event output port D */
#define GPIO_EVENT_PORT_GPIOE ((uint8_t)0x04U) /*!< event output port E */
/* GPIO output port source definitions */
#define GPIO_PORT_SOURCE_GPIOA ((uint8_t)0x00U) /*!< output port source A */
#define GPIO_PORT_SOURCE_GPIOB ((uint8_t)0x01U) /*!< output port source B */
#define GPIO_PORT_SOURCE_GPIOC ((uint8_t)0x02U) /*!< output port source C */
#define GPIO_PORT_SOURCE_GPIOD ((uint8_t)0x03U) /*!< output port source D */
#define GPIO_PORT_SOURCE_GPIOE ((uint8_t)0x04U) /*!< output port source E */
/* GPIO event output pin definitions */
#define GPIO_EVENT_PIN_0 ((uint8_t)0x00U) /*!< GPIO event pin 0 */
#define GPIO_EVENT_PIN_1 ((uint8_t)0x01U) /*!< GPIO event pin 1 */
#define GPIO_EVENT_PIN_2 ((uint8_t)0x02U) /*!< GPIO event pin 2 */
#define GPIO_EVENT_PIN_3 ((uint8_t)0x03U) /*!< GPIO event pin 3 */
#define GPIO_EVENT_PIN_4 ((uint8_t)0x04U) /*!< GPIO event pin 4 */
#define GPIO_EVENT_PIN_5 ((uint8_t)0x05U) /*!< GPIO event pin 5 */
#define GPIO_EVENT_PIN_6 ((uint8_t)0x06U) /*!< GPIO event pin 6 */
#define GPIO_EVENT_PIN_7 ((uint8_t)0x07U) /*!< GPIO event pin 7 */
#define GPIO_EVENT_PIN_8 ((uint8_t)0x08U) /*!< GPIO event pin 8 */
#define GPIO_EVENT_PIN_9 ((uint8_t)0x09U) /*!< GPIO event pin 9 */
#define GPIO_EVENT_PIN_10 ((uint8_t)0x0AU) /*!< GPIO event pin 10 */
#define GPIO_EVENT_PIN_11 ((uint8_t)0x0BU) /*!< GPIO event pin 11 */
#define GPIO_EVENT_PIN_12 ((uint8_t)0x0CU) /*!< GPIO event pin 12 */
#define GPIO_EVENT_PIN_13 ((uint8_t)0x0DU) /*!< GPIO event pin 13 */
#define GPIO_EVENT_PIN_14 ((uint8_t)0x0EU) /*!< GPIO event pin 14 */
#define GPIO_EVENT_PIN_15 ((uint8_t)0x0FU) /*!< GPIO event pin 15 */
/* GPIO output pin source definitions */
#define GPIO_PIN_SOURCE_0 ((uint8_t)0x00U) /*!< GPIO pin source 0 */
#define GPIO_PIN_SOURCE_1 ((uint8_t)0x01U) /*!< GPIO pin source 1 */
#define GPIO_PIN_SOURCE_2 ((uint8_t)0x02U) /*!< GPIO pin source 2 */
#define GPIO_PIN_SOURCE_3 ((uint8_t)0x03U) /*!< GPIO pin source 3 */
#define GPIO_PIN_SOURCE_4 ((uint8_t)0x04U) /*!< GPIO pin source 4 */
#define GPIO_PIN_SOURCE_5 ((uint8_t)0x05U) /*!< GPIO pin source 5 */
#define GPIO_PIN_SOURCE_6 ((uint8_t)0x06U) /*!< GPIO pin source 6 */
#define GPIO_PIN_SOURCE_7 ((uint8_t)0x07U) /*!< GPIO pin source 7 */
#define GPIO_PIN_SOURCE_8 ((uint8_t)0x08U) /*!< GPIO pin source 8 */
#define GPIO_PIN_SOURCE_9 ((uint8_t)0x09U) /*!< GPIO pin source 9 */
#define GPIO_PIN_SOURCE_10 ((uint8_t)0x0AU) /*!< GPIO pin source 10 */
#define GPIO_PIN_SOURCE_11 ((uint8_t)0x0BU) /*!< GPIO pin source 11 */
#define GPIO_PIN_SOURCE_12 ((uint8_t)0x0CU) /*!< GPIO pin source 12 */
#define GPIO_PIN_SOURCE_13 ((uint8_t)0x0DU) /*!< GPIO pin source 13 */
#define GPIO_PIN_SOURCE_14 ((uint8_t)0x0EU) /*!< GPIO pin source 14 */
#define GPIO_PIN_SOURCE_15 ((uint8_t)0x0FU) /*!< GPIO pin source 15 */
/* GPIO pin definitions */
#define GPIO_PIN_0 BIT(0) /*!< GPIO pin 0 */
#define GPIO_PIN_1 BIT(1) /*!< GPIO pin 1 */
#define GPIO_PIN_2 BIT(2) /*!< GPIO pin 2 */
#define GPIO_PIN_3 BIT(3) /*!< GPIO pin 3 */
#define GPIO_PIN_4 BIT(4) /*!< GPIO pin 4 */
#define GPIO_PIN_5 BIT(5) /*!< GPIO pin 5 */
#define GPIO_PIN_6 BIT(6) /*!< GPIO pin 6 */
#define GPIO_PIN_7 BIT(7) /*!< GPIO pin 7 */
#define GPIO_PIN_8 BIT(8) /*!< GPIO pin 8 */
#define GPIO_PIN_9 BIT(9) /*!< GPIO pin 9 */
#define GPIO_PIN_10 BIT(10) /*!< GPIO pin 10 */
#define GPIO_PIN_11 BIT(11) /*!< GPIO pin 11 */
#define GPIO_PIN_12 BIT(12) /*!< GPIO pin 12 */
#define GPIO_PIN_13 BIT(13) /*!< GPIO pin 13 */
#define GPIO_PIN_14 BIT(14) /*!< GPIO pin 14 */
#define GPIO_PIN_15 BIT(15) /*!< GPIO pin 15 */
#define GPIO_PIN_ALL BITS(0, 15) /*!< GPIO pin all */
/* GPIO remap definitions */
#define GPIO_SPI0_REMAP ((uint32_t)0x00000001U) /*!< SPI0 remapping */
#define GPIO_I2C0_REMAP ((uint32_t)0x00000002U) /*!< I2C0 remapping */
#define GPIO_USART0_REMAP ((uint32_t)0x00000004U) /*!< USART0 remapping */
#define GPIO_USART1_REMAP ((uint32_t)0x00000008U) /*!< USART1 remapping */
#define GPIO_USART2_PARTIAL_REMAP ((uint32_t)0x00140010U) /*!< USART2 partial remapping */
#define GPIO_USART2_FULL_REMAP ((uint32_t)0x00140030U) /*!< USART2 full remapping */
#define GPIO_TIMER0_PARTIAL_REMAP ((uint32_t)0x00160040U) /*!< TIMER0 partial remapping */
#define GPIO_TIMER0_FULL_REMAP ((uint32_t)0x001600C0U) /*!< TIMER0 full remapping */
#define GPIO_TIMER1_PARTIAL_REMAP0 ((uint32_t)0x00180100U) /*!< TIMER1 partial remapping */
#define GPIO_TIMER1_PARTIAL_REMAP1 ((uint32_t)0x00180200U) /*!< TIMER1 partial remapping */
#define GPIO_TIMER1_FULL_REMAP ((uint32_t)0x00180300U) /*!< TIMER1 full remapping */
#define GPIO_TIMER2_PARTIAL_REMAP ((uint32_t)0x001A0800U) /*!< TIMER2 partial remapping */
#define GPIO_TIMER2_FULL_REMAP ((uint32_t)0x001A0C00U) /*!< TIMER2 full remapping */
#define GPIO_TIMER3_REMAP ((uint32_t)0x00001000U) /*!< TIMER3 remapping */
#define GPIO_CAN0_PARTIAL_REMAP ((uint32_t)0x001D4000U) /*!< CAN0 partial remapping */
#define GPIO_CAN0_FULL_REMAP ((uint32_t)0x001D6000U) /*!< CAN0 full remapping */
#define GPIO_PD01_REMAP ((uint32_t)0x00008000U) /*!< PD01 remapping */
#define GPIO_TIMER4CH3_IREMAP ((uint32_t)0x00200001U) /*!< TIMER4 channel3 internal remapping */
#define GPIO_CAN1_REMAP ((uint32_t)0x00200040U) /*!< CAN1 remapping */
#define GPIO_SWJ_NONJTRST_REMAP ((uint32_t)0x00300100U) /*!< JTAG-DP,but without NJTRST */
#define GPIO_SWJ_DISABLE_REMAP ((uint32_t)0x00300200U) /*!< JTAG-DP disabled */
#define GPIO_SPI2_REMAP ((uint32_t)0x00201100U) /*!< SPI2 remapping */
#define GPIO_TIMER1ITI1_REMAP ((uint32_t)0x00202000U) /*!< TIMER1 internal trigger 1 remapping */
#define GPIO_EXMC_NADV_REMAP ((uint32_t)0x80000400U) /*!< EXMC_NADV connect/disconnect */
/* function declarations */
/* reset GPIO port */
void gpio_deinit(uint32_t gpio_periph);
/* reset alternate function I/O(AFIO) */
void gpio_afio_deinit(void);
/* GPIO parameter initialization */
void gpio_init(uint32_t gpio_periph,uint32_t mode,uint32_t speed,uint32_t pin);
/* set GPIO pin bit */
void gpio_bit_set(uint32_t gpio_periph, uint32_t pin);
/* reset GPIO pin bit */
void gpio_bit_reset(uint32_t gpio_periph, uint32_t pin);
/* write data to the specified GPIO pin */
void gpio_bit_write(uint32_t gpio_periph, uint32_t pin, bit_status bit_value);
/* write data to the specified GPIO port */
void gpio_port_write(uint32_t gpio_periph, uint16_t data);
/* get GPIO pin input status */
FlagStatus gpio_input_bit_get(uint32_t gpio_periph, uint32_t pin);
/* get GPIO port input status */
uint16_t gpio_input_port_get(uint32_t gpio_periph);
/* get GPIO pin output status */
FlagStatus gpio_output_bit_get(uint32_t gpio_periph, uint32_t pin);
/* get GPIO port output status */
uint16_t gpio_output_port_get(uint32_t gpio_periph);
/* configure GPIO pin remap */
void gpio_pin_remap_config(uint32_t remap, ControlStatus newvalue);
/* select GPIO pin exti sources */
void gpio_exti_source_select(uint8_t output_port, uint8_t output_pin);
/* configure GPIO pin event output */
void gpio_event_output_config(uint8_t output_port, uint8_t output_pin);
/* enable GPIO pin event output */
void gpio_event_output_enable(void);
/* disable GPIO pin event output */
void gpio_event_output_disable(void);
/* lock GPIO pin bit */
void gpio_pin_lock(uint32_t gpio_periph, uint32_t pin);
#endif /* GD32VF103_GPIO_H */

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/*!
\file gd32vf103_i2c.h
\brief definitions for the I2C
\version 2019-06-05, V1.0.1, firmware for GD32VF103
*/
/*
Copyright (c) 2019, GigaDevice Semiconductor Inc.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
3. Neither the name of the copyright holder nor the names of its contributors
may be used to endorse or promote products derived from this software without
specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
OF SUCH DAMAGE.
*/
#ifndef GD32VF103_I2C_H
#define GD32VF103_I2C_H
#include "gd32vf103.h"
/* I2Cx(x=0,1) definitions */
#define I2C0 I2C_BASE /*!< I2C0 base address */
#define I2C1 (I2C_BASE + 0x00000400U) /*!< I2C1 base address */
/* registers definitions */
#define I2C_CTL0(i2cx) REG32((i2cx) + 0x00U) /*!< I2C control register 0 */
#define I2C_CTL1(i2cx) REG32((i2cx) + 0x04U) /*!< I2C control register 1 */
#define I2C_SADDR0(i2cx) REG32((i2cx) + 0x08U) /*!< I2C slave address register 0*/
#define I2C_SADDR1(i2cx) REG32((i2cx) + 0x0CU) /*!< I2C slave address register */
#define I2C_DATA(i2cx) REG32((i2cx) + 0x10U) /*!< I2C transfer buffer register */
#define I2C_STAT0(i2cx) REG32((i2cx) + 0x14U) /*!< I2C transfer status register 0 */
#define I2C_STAT1(i2cx) REG32((i2cx) + 0x18U) /*!< I2C transfer status register */
#define I2C_CKCFG(i2cx) REG32((i2cx) + 0x1CU) /*!< I2C clock configure register */
#define I2C_RT(i2cx) REG32((i2cx) + 0x20U) /*!< I2C rise time register */
#define I2C_FMPCFG(i2cx) REG32((i2cx) + 0x90U) /*!< I2C fast-mode-plus configure register */
/* bits definitions */
/* I2Cx_CTL0 */
#define I2C_CTL0_I2CEN BIT(0) /*!< peripheral enable */
#define I2C_CTL0_SMBEN BIT(1) /*!< SMBus mode */
#define I2C_CTL0_SMBSEL BIT(3) /*!< SMBus type */
#define I2C_CTL0_ARPEN BIT(4) /*!< ARP enable */
#define I2C_CTL0_PECEN BIT(5) /*!< PEC enable */
#define I2C_CTL0_GCEN BIT(6) /*!< general call enable */
#define I2C_CTL0_SS BIT(7) /*!< clock stretching disable (slave mode) */
#define I2C_CTL0_START BIT(8) /*!< start generation */
#define I2C_CTL0_STOP BIT(9) /*!< stop generation */
#define I2C_CTL0_ACKEN BIT(10) /*!< acknowledge enable */
#define I2C_CTL0_POAP BIT(11) /*!< acknowledge/PEC position (for data reception) */
#define I2C_CTL0_PECTRANS BIT(12) /*!< packet error checking */
#define I2C_CTL0_SALT BIT(13) /*!< SMBus alert */
#define I2C_CTL0_SRESET BIT(15) /*!< software reset */
/* I2Cx_CTL1 */
#define I2C_CTL1_I2CCLK BITS(0,5) /*!< I2CCLK[5:0] bits (peripheral clock frequency) */
#define I2C_CTL1_ERRIE BIT(8) /*!< error interrupt enable */
#define I2C_CTL1_EVIE BIT(9) /*!< event interrupt enable */
#define I2C_CTL1_BUFIE BIT(10) /*!< buffer interrupt enable */
#define I2C_CTL1_DMAON BIT(11) /*!< DMA requests enable */
#define I2C_CTL1_DMALST BIT(12) /*!< DMA last transfer */
/* I2Cx_SADDR0 */
#define I2C_SADDR0_ADDRESS0 BIT(0) /*!< bit 0 of a 10-bit address */
#define I2C_SADDR0_ADDRESS BITS(1,7) /*!< 7-bit address or bits 7:1 of a 10-bit address */
#define I2C_SADDR0_ADDRESS_H BITS(8,9) /*!< highest two bits of a 10-bit address */
#define I2C_SADDR0_ADDFORMAT BIT(15) /*!< address mode for the I2C slave */
/* I2Cx_SADDR1 */
#define I2C_SADDR1_DUADEN BIT(0) /*!< aual-address mode switch */
#define I2C_SADDR1_ADDRESS2 BITS(1,7) /*!< second I2C address for the slave in dual-address mode */
/* I2Cx_DATA */
#define I2C_DATA_TRB BITS(0,7) /*!< 8-bit data register */
/* I2Cx_STAT0 */
#define I2C_STAT0_SBSEND BIT(0) /*!< start bit (master mode) */
#define I2C_STAT0_ADDSEND BIT(1) /*!< address sent (master mode)/matched (slave mode) */
#define I2C_STAT0_BTC BIT(2) /*!< byte transfer finished */
#define I2C_STAT0_ADD10SEND BIT(3) /*!< 10-bit header sent (master mode) */
#define I2C_STAT0_STPDET BIT(4) /*!< stop detection (slave mode) */
#define I2C_STAT0_RBNE BIT(6) /*!< data register not empty (receivers) */
#define I2C_STAT0_TBE BIT(7) /*!< data register empty (transmitters) */
#define I2C_STAT0_BERR BIT(8) /*!< bus error */
#define I2C_STAT0_LOSTARB BIT(9) /*!< arbitration lost (master mode) */
#define I2C_STAT0_AERR BIT(10) /*!< acknowledge failure */
#define I2C_STAT0_OUERR BIT(11) /*!< overrun/underrun */
#define I2C_STAT0_PECERR BIT(12) /*!< PEC error in reception */
#define I2C_STAT0_SMBTO BIT(14) /*!< timeout signal in SMBus mode */
#define I2C_STAT0_SMBALT BIT(15) /*!< SMBus alert status */
/* I2Cx_STAT1 */
#define I2C_STAT1_MASTER BIT(0) /*!< master/slave */
#define I2C_STAT1_I2CBSY BIT(1) /*!< bus busy */
#define I2C_STAT1_TR BIT(2) /*!< transmitter/receiver */
#define I2C_STAT1_RXGC BIT(4) /*!< general call address (slave mode) */
#define I2C_STAT1_DEFSMB BIT(5) /*!< SMBus device default address (slave mode) */
#define I2C_STAT1_HSTSMB BIT(6) /*!< SMBus host header (slave mode) */
#define I2C_STAT1_DUMODF BIT(7) /*!< dual flag (slave mode) */
#define I2C_STAT1_PECV BITS(8,15) /*!< packet error checking value */
/* I2Cx_CKCFG */
#define I2C_CKCFG_CLKC BITS(0,11) /*!< clock control register in fast/standard mode (master mode) */
#define I2C_CKCFG_DTCY BIT(14) /*!< fast mode duty cycle */
#define I2C_CKCFG_FAST BIT(15) /*!< I2C speed selection in master mode */
/* I2Cx_RT */
#define I2C_RT_RISETIME BITS(0,5) /*!< maximum rise time in fast/standard mode (Master mode) */
/* I2Cx_FMPCFG */
#define I2C_FMPCFG_FMPEN BIT(0) /*!< fast mode plus enable bit */
/* constants definitions */
/* define the I2C bit position and its register index offset */
#define I2C_REGIDX_BIT(regidx, bitpos) (((uint32_t)(regidx) << 6) | (uint32_t)(bitpos))
#define I2C_REG_VAL(i2cx, offset) (REG32((i2cx) + (((uint32_t)(offset) & 0xFFFFU) >> 6)))
#define I2C_BIT_POS(val) ((uint32_t)(val) & 0x1FU)
#define I2C_REGIDX_BIT2(regidx, bitpos, regidx2, bitpos2) (((uint32_t)(regidx2) << 22) | (uint32_t)((bitpos2) << 16)\
| (((uint32_t)(regidx) << 6) | (uint32_t)(bitpos)))
#define I2C_REG_VAL2(i2cx, offset) (REG32((i2cx) + ((uint32_t)(offset) >> 22)))
#define I2C_BIT_POS2(val) (((uint32_t)(val) & 0x1F0000U) >> 16)
/* register offset */
#define I2C_CTL1_REG_OFFSET 0x04U /*!< CTL1 register offset */
#define I2C_STAT0_REG_OFFSET 0x14U /*!< STAT0 register offset */
#define I2C_STAT1_REG_OFFSET 0x18U /*!< STAT1 register offset */
/* I2C flags */
typedef enum {
/* flags in STAT0 register */
I2C_FLAG_SBSEND = I2C_REGIDX_BIT(I2C_STAT0_REG_OFFSET, 0U), /*!< start condition sent out in master mode */
I2C_FLAG_ADDSEND = I2C_REGIDX_BIT(I2C_STAT0_REG_OFFSET, 1U), /*!< address is sent in master mode or received and matches in slave mode */
I2C_FLAG_BTC = I2C_REGIDX_BIT(I2C_STAT0_REG_OFFSET, 2U), /*!< byte transmission finishes */
I2C_FLAG_ADD10SEND = I2C_REGIDX_BIT(I2C_STAT0_REG_OFFSET, 3U), /*!< header of 10-bit address is sent in master mode */
I2C_FLAG_STPDET = I2C_REGIDX_BIT(I2C_STAT0_REG_OFFSET, 4U), /*!< stop condition detected in slave mode */
I2C_FLAG_RBNE = I2C_REGIDX_BIT(I2C_STAT0_REG_OFFSET, 6U), /*!< I2C_DATA is not Empty during receiving */
I2C_FLAG_TBE = I2C_REGIDX_BIT(I2C_STAT0_REG_OFFSET, 7U), /*!< I2C_DATA is empty during transmitting */
I2C_FLAG_BERR = I2C_REGIDX_BIT(I2C_STAT0_REG_OFFSET, 8U), /*!< a bus error occurs indication a unexpected start or stop condition on I2C bus */
I2C_FLAG_LOSTARB = I2C_REGIDX_BIT(I2C_STAT0_REG_OFFSET, 9U), /*!< arbitration lost in master mode */
I2C_FLAG_AERR = I2C_REGIDX_BIT(I2C_STAT0_REG_OFFSET, 10U), /*!< acknowledge error */
I2C_FLAG_OUERR = I2C_REGIDX_BIT(I2C_STAT0_REG_OFFSET, 11U), /*!< over-run or under-run situation occurs in slave mode */
I2C_FLAG_PECERR = I2C_REGIDX_BIT(I2C_STAT0_REG_OFFSET, 12U), /*!< PEC error when receiving data */
I2C_FLAG_SMBTO = I2C_REGIDX_BIT(I2C_STAT0_REG_OFFSET, 14U), /*!< timeout signal in SMBus mode */
I2C_FLAG_SMBALT = I2C_REGIDX_BIT(I2C_STAT0_REG_OFFSET, 15U), /*!< SMBus alert status */
/* flags in STAT1 register */
I2C_FLAG_MASTER = I2C_REGIDX_BIT(I2C_STAT1_REG_OFFSET, 0U), /*!< a flag indicating whether I2C block is in master or slave mode */
I2C_FLAG_I2CBSY = I2C_REGIDX_BIT(I2C_STAT1_REG_OFFSET, 1U), /*!< busy flag */
I2C_FLAG_TR = I2C_REGIDX_BIT(I2C_STAT1_REG_OFFSET, 2U), /*!< whether the I2C is a transmitter or a receiver */
I2C_FLAG_RXGC = I2C_REGIDX_BIT(I2C_STAT1_REG_OFFSET, 4U), /*!< general call address (00h) received */
I2C_FLAG_DEFSMB = I2C_REGIDX_BIT(I2C_STAT1_REG_OFFSET, 5U), /*!< default address of SMBus device */
I2C_FLAG_HSTSMB = I2C_REGIDX_BIT(I2C_STAT1_REG_OFFSET, 6U), /*!< SMBus host header detected in slave mode */
I2C_FLAG_DUMODF = I2C_REGIDX_BIT(I2C_STAT1_REG_OFFSET, 7U), /*!< dual flag in slave mode indicating which address is matched in dual-address mode */
} i2c_flag_enum;
/* I2C interrupt flags */
typedef enum {
/* interrupt flags in CTL1 register */
I2C_INT_FLAG_SBSEND = I2C_REGIDX_BIT2(I2C_CTL1_REG_OFFSET, 9U,I2C_STAT0_REG_OFFSET, 0U), /*!< start condition sent out in master mode interrupt flag */
I2C_INT_FLAG_ADDSEND = I2C_REGIDX_BIT2(I2C_CTL1_REG_OFFSET, 9U,I2C_STAT0_REG_OFFSET, 1U), /*!< address is sent in master mode or received and matches in slave mode interrupt flag */
I2C_INT_FLAG_BTC = I2C_REGIDX_BIT2(I2C_CTL1_REG_OFFSET, 9U,I2C_STAT0_REG_OFFSET, 2U), /*!< byte transmission finishes */
I2C_INT_FLAG_ADD10SEND = I2C_REGIDX_BIT2(I2C_CTL1_REG_OFFSET, 9U,I2C_STAT0_REG_OFFSET, 3U), /*!< header of 10-bit address is sent in master mode interrupt flag */
I2C_INT_FLAG_STPDET = I2C_REGIDX_BIT2(I2C_CTL1_REG_OFFSET, 9U,I2C_STAT0_REG_OFFSET, 4U), /*!< stop condition detected in slave mode interrupt flag */
I2C_INT_FLAG_RBNE = I2C_REGIDX_BIT2(I2C_CTL1_REG_OFFSET, 9U,I2C_STAT0_REG_OFFSET, 6U), /*!< I2C_DATA is not Empty during receiving interrupt flag */
I2C_INT_FLAG_TBE = I2C_REGIDX_BIT2(I2C_CTL1_REG_OFFSET, 9U,I2C_STAT0_REG_OFFSET, 7U), /*!< I2C_DATA is empty during transmitting interrupt flag */
I2C_INT_FLAG_BERR = I2C_REGIDX_BIT2(I2C_CTL1_REG_OFFSET, 8U,I2C_STAT0_REG_OFFSET, 8U), /*!< a bus error occurs indication a unexpected start or stop condition on I2C bus interrupt flag */
I2C_INT_FLAG_LOSTARB = I2C_REGIDX_BIT2(I2C_CTL1_REG_OFFSET, 8U,I2C_STAT0_REG_OFFSET, 9U), /*!< arbitration lost in master mode interrupt flag */
I2C_INT_FLAG_AERR = I2C_REGIDX_BIT2(I2C_CTL1_REG_OFFSET, 8U,I2C_STAT0_REG_OFFSET, 10U), /*!< acknowledge error interrupt flag */
I2C_INT_FLAG_OUERR = I2C_REGIDX_BIT2(I2C_CTL1_REG_OFFSET, 8U,I2C_STAT0_REG_OFFSET, 11U), /*!< over-run or under-run situation occurs in slave mode interrupt flag */
I2C_INT_FLAG_PECERR = I2C_REGIDX_BIT2(I2C_CTL1_REG_OFFSET, 8U,I2C_STAT0_REG_OFFSET, 12U), /*!< PEC error when receiving data interrupt flag */
I2C_INT_FLAG_SMBTO = I2C_REGIDX_BIT2(I2C_CTL1_REG_OFFSET, 8U,I2C_STAT0_REG_OFFSET, 14U), /*!< timeout signal in SMBus mode interrupt flag */
I2C_INT_FLAG_SMBALT = I2C_REGIDX_BIT2(I2C_CTL1_REG_OFFSET, 8U,I2C_STAT0_REG_OFFSET, 15U), /*!< SMBus Alert status interrupt flag */
} i2c_interrupt_flag_enum;
/* I2C interrupt enable or disable */
typedef enum {
/* interrupt in CTL1 register */
I2C_INT_ERR = I2C_REGIDX_BIT(I2C_CTL1_REG_OFFSET, 8U), /*!< error interrupt enable */
I2C_INT_EV = I2C_REGIDX_BIT(I2C_CTL1_REG_OFFSET, 9U), /*!< event interrupt enable */
I2C_INT_BUF = I2C_REGIDX_BIT(I2C_CTL1_REG_OFFSET, 10U), /*!< buffer interrupt enable */
} i2c_interrupt_enum;
/* SMBus/I2C mode switch and SMBus type selection */
#define I2C_I2CMODE_ENABLE ((uint32_t)0x00000000U) /*!< I2C mode */
#define I2C_SMBUSMODE_ENABLE I2C_CTL0_SMBEN /*!< SMBus mode */
/* SMBus/I2C mode switch and SMBus type selection */
#define I2C_SMBUS_DEVICE ((uint32_t)0x00000000U) /*!< SMBus mode device type */
#define I2C_SMBUS_HOST I2C_CTL0_SMBSEL /*!< SMBus mode host type */
/* I2C transfer direction */
#define I2C_RECEIVER ((uint32_t)0x00000001U) /*!< receiver */
#define I2C_TRANSMITTER ((uint32_t)0xFFFFFFFEU) /*!< transmitter */
/* whether or not to send an ACK */
#define I2C_ACK_DISABLE ((uint32_t)0x00000000U) /*!< ACK will be not sent */
#define I2C_ACK_ENABLE ((uint32_t)0x00000001U) /*!< ACK will be sent */
/* I2C POAP position*/
#define I2C_ACKPOS_NEXT ((uint32_t)0x00000000U) /*!< ACKEN bit decides whether or not to send ACK for the next byte */
#define I2C_ACKPOS_CURRENT ((uint32_t)0x00000001U) /*!< ACKEN bit decides whether or not to send ACK or not for the current byte */
/* I2C dual-address mode switch */
#define I2C_DUADEN_DISABLE ((uint32_t)0x00000000U) /*!< dual-address mode disabled */
#define I2C_DUADEN_ENABLE ((uint32_t)0x00000001U) /*!< dual-address mode enabled */
/* whether or not to stretch SCL low */
#define I2C_SCLSTRETCH_ENABLE ((uint32_t)0x00000000U) /*!< SCL stretching is enabled */
#define I2C_SCLSTRETCH_DISABLE I2C_CTL0_SS /*!< SCL stretching is disabled */
/* whether or not to response to a general call */
#define I2C_GCEN_ENABLE I2C_CTL0_GCEN /*!< slave will response to a general call */
#define I2C_GCEN_DISABLE ((uint32_t)0x00000000U) /*!< slave will not response to a general call */
/* software reset I2C */
#define I2C_SRESET_SET I2C_CTL0_SRESET /*!< I2C is under reset */
#define I2C_SRESET_RESET ((uint32_t)0x00000000U) /*!< I2C is not under reset */
/* I2C DMA mode configure */
/* DMA mode switch */
#define I2C_DMA_ON I2C_CTL1_DMAON /*!< DMA mode enabled */
#define I2C_DMA_OFF ((uint32_t)0x00000000U) /*!< DMA mode disabled */
/* flag indicating DMA last transfer */
#define I2C_DMALST_ON I2C_CTL1_DMALST /*!< next DMA EOT is the last transfer */
#define I2C_DMALST_OFF ((uint32_t)0x00000000U) /*!< next DMA EOT is not the last transfer */
/* I2C PEC configure */
/* PEC enable */
#define I2C_PEC_ENABLE I2C_CTL0_PECEN /*!< PEC calculation on */
#define I2C_PEC_DISABLE ((uint32_t)0x00000000U) /*!< PEC calculation off */
/* PEC transfer */
#define I2C_PECTRANS_ENABLE I2C_CTL0_PECTRANS /*!< transfer PEC */
#define I2C_PECTRANS_DISABLE ((uint32_t)0x00000000U) /*!< not transfer PEC value */
/* I2C SMBus configure */
/* issue or not alert through SMBA pin */
#define I2C_SALTSEND_ENABLE I2C_CTL0_SALT /*!< issue alert through SMBA pin */
#define I2C_SALTSEND_DISABLE ((uint32_t)0x00000000U) /*!< not issue alert through SMBA */
/* ARP protocol in SMBus switch */
#define I2C_ARP_ENABLE I2C_CTL0_ARPEN /*!< ARP enable */
#define I2C_ARP_DISABLE ((uint32_t)0x00000000U) /*!< ARP disable */
/* transmit I2C data */
#define DATA_TRANS(regval) (BITS(0,7) & ((uint32_t)(regval) << 0))
/* receive I2C data */
#define DATA_RECV(regval) GET_BITS((uint32_t)(regval), 0, 7)
/* I2C duty cycle in fast mode */
#define I2C_DTCY_2 ((uint32_t)0x00000000U) /*!< I2C fast mode Tlow/Thigh = 2 */
#define I2C_DTCY_16_9 I2C_CKCFG_DTCY /*!< I2C fast mode Tlow/Thigh = 16/9 */
/* address mode for the I2C slave */
#define I2C_ADDFORMAT_7BITS ((uint32_t)0x00000000U) /*!< address:7 bits */
#define I2C_ADDFORMAT_10BITS I2C_SADDR0_ADDFORMAT /*!< address:10 bits */
#endif /* GD32VF103_I2C_H */

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/*!
\file gd32vf103_pmu.h
\brief definitions for the PMU
\version 2019-06-05, V1.0.0, firmware for GD32VF103
*/
/*
Copyright (c) 2019, GigaDevice Semiconductor Inc.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
3. Neither the name of the copyright holder nor the names of its contributors
may be used to endorse or promote products derived from this software without
specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
OF SUCH DAMAGE.
*/
#ifndef GD32VF103_PMU_H
#define GD32VF103_PMU_H
#include "gd32vf103.h"
/* PMU definitions */
#define PMU PMU_BASE /*!< PMU base address */
/* registers definitions */
#define PMU_CTL REG32((PMU) + 0x00U) /*!< PMU control register */
#define PMU_CS REG32((PMU) + 0x04U) /*!< PMU control and status register */
/* bits definitions */
/* PMU_CTL */
#define PMU_CTL_LDOLP BIT(0) /*!< LDO low power mode */
#define PMU_CTL_STBMOD BIT(1) /*!< standby mode */
#define PMU_CTL_WURST BIT(2) /*!< wakeup flag reset */
#define PMU_CTL_STBRST BIT(3) /*!< standby flag reset */
#define PMU_CTL_LVDEN BIT(4) /*!< low voltage detector enable */
#define PMU_CTL_LVDT BITS(5,7) /*!< low voltage detector threshold */
#define PMU_CTL_BKPWEN BIT(8) /*!< backup domain write enable */
/* PMU_CS */
#define PMU_CS_WUF BIT(0) /*!< wakeup flag */
#define PMU_CS_STBF BIT(1) /*!< standby flag */
#define PMU_CS_LVDF BIT(2) /*!< low voltage detector status flag */
#define PMU_CS_WUPEN BIT(8) /*!< wakeup pin enable */
/* constants definitions */
/* PMU low voltage detector threshold definitions */
#define CTL_LVDT(regval) (BITS(5,7)&((uint32_t)(regval) << 5))
#define PMU_LVDT_0 CTL_LVDT(0) /*!< voltage threshold is 2.2V */
#define PMU_LVDT_1 CTL_LVDT(1) /*!< voltage threshold is 2.3V */
#define PMU_LVDT_2 CTL_LVDT(2) /*!< voltage threshold is 2.4V */
#define PMU_LVDT_3 CTL_LVDT(3) /*!< voltage threshold is 2.5V */
#define PMU_LVDT_4 CTL_LVDT(4) /*!< voltage threshold is 2.6V */
#define PMU_LVDT_5 CTL_LVDT(5) /*!< voltage threshold is 2.7V */
#define PMU_LVDT_6 CTL_LVDT(6) /*!< voltage threshold is 2.8V */
#define PMU_LVDT_7 CTL_LVDT(7) /*!< voltage threshold is 2.9V */
/* PMU flag definitions */
#define PMU_FLAG_WAKEUP PMU_CS_WUF /*!< wakeup flag status */
#define PMU_FLAG_STANDBY PMU_CS_STBF /*!< standby flag status */
#define PMU_FLAG_LVD PMU_CS_LVDF /*!< lvd flag status */
/* PMU ldo definitions */
#define PMU_LDO_NORMAL ((uint32_t)0x00000000U) /*!< LDO normal work when PMU enter deepsleep mode */
#define PMU_LDO_LOWPOWER PMU_CTL_LDOLP /*!< LDO work at low power status when PMU enter deepsleep mode */
/* PMU flag reset definitions */
#define PMU_FLAG_RESET_WAKEUP ((uint8_t)0x00U) /*!< wakeup flag reset */
#define PMU_FLAG_RESET_STANDBY ((uint8_t)0x01U) /*!< standby flag reset */
/* PMU command constants definitions */
#define WFI_CMD ((uint8_t)0x00U) /*!< use WFI command */
#define WFE_CMD ((uint8_t)0x01U) /*!< use WFE command */
/* function declarations */
/* reset PMU registers */
void pmu_deinit(void);
/* select low voltage detector threshold */
void pmu_lvd_select(uint32_t lvdt_n);
/* disable PMU lvd */
void pmu_lvd_disable(void);
/* set PMU mode */
/* PMU work at sleep mode */
void pmu_to_sleepmode(uint8_t sleepmodecmd);
/* PMU work at deepsleep mode */
void pmu_to_deepsleepmode(uint32_t ldo, uint8_t deepsleepmodecmd);
/* PMU work at standby mode */
void pmu_to_standbymode(uint8_t standbymodecmd);
/* enable PMU wakeup pin */
void pmu_wakeup_pin_enable(void);
/* disable PMU wakeup pin */
void pmu_wakeup_pin_disable(void);
/* backup related functions */
/* enable write access to the registers in backup domain */
void pmu_backup_write_enable(void);
/* disable write access to the registers in backup domain */
void pmu_backup_write_disable(void);
/* flag functions */
/* get flag state */
FlagStatus pmu_flag_get(uint32_t flag);
/* clear flag bit */
void pmu_flag_clear(uint32_t flag_reset);
#endif /* GD32VF103_PMU_H */

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/*!
\file gd32vf103_rcu.h
\brief definitions for the RCU
\version 2019-06-05, V1.0.0, firmware for GD32VF103
*/
/*
Copyright (c) 2019, GigaDevice Semiconductor Inc.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
3. Neither the name of the copyright holder nor the names of its contributors
may be used to endorse or promote products derived from this software without
specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
OF SUCH DAMAGE.
*/
#ifndef GD32VF103_RCU_H
#define GD32VF103_RCU_H
#include "gd32vf103.h"
/* RCU definitions */
#define RCU RCU_BASE
/* registers definitions */
#define RCU_CTL REG32(RCU + 0x00U) /*!< control register */
#define RCU_CFG0 REG32(RCU + 0x04U) /*!< clock configuration register 0 */
#define RCU_INT REG32(RCU + 0x08U) /*!< clock interrupt register */
#define RCU_APB2RST REG32(RCU + 0x0CU) /*!< APB2 reset register */
#define RCU_APB1RST REG32(RCU + 0x10U) /*!< APB1 reset register */
#define RCU_AHBEN REG32(RCU + 0x14U) /*!< AHB1 enable register */
#define RCU_APB2EN REG32(RCU + 0x18U) /*!< APB2 enable register */
#define RCU_APB1EN REG32(RCU + 0x1CU) /*!< APB1 enable register */
#define RCU_BDCTL REG32(RCU + 0x20U) /*!< backup domain control register */
#define RCU_RSTSCK REG32(RCU + 0x24U) /*!< reset source / clock register */
#define RCU_AHBRST REG32(RCU + 0x28U) /*!< AHB reset register */
#define RCU_CFG1 REG32(RCU + 0x2CU) /*!< clock configuration register 1 */
#define RCU_DSV REG32(RCU + 0x34U) /*!< deep-sleep mode voltage register */
/* bits definitions */
/* RCU_CTL */
#define RCU_CTL_IRC8MEN BIT(0) /*!< internal high speed oscillator enable */
#define RCU_CTL_IRC8MSTB BIT(1) /*!< IRC8M high speed internal oscillator stabilization flag */
#define RCU_CTL_IRC8MADJ BITS(3,7) /*!< high speed internal oscillator clock trim adjust value */
#define RCU_CTL_IRC8MCALIB BITS(8,15) /*!< high speed internal oscillator calibration value register */
#define RCU_CTL_HXTALEN BIT(16) /*!< external high speed oscillator enable */
#define RCU_CTL_HXTALSTB BIT(17) /*!< external crystal oscillator clock stabilization flag */
#define RCU_CTL_HXTALBPS BIT(18) /*!< external crystal oscillator clock bypass mode enable */
#define RCU_CTL_CKMEN BIT(19) /*!< HXTAL clock monitor enable */
#define RCU_CTL_PLLEN BIT(24) /*!< PLL enable */
#define RCU_CTL_PLLSTB BIT(25) /*!< PLL clock stabilization flag */
#define RCU_CTL_PLL1EN BIT(26) /*!< PLL1 enable */
#define RCU_CTL_PLL1STB BIT(27) /*!< PLL1 clock stabilization flag */
#define RCU_CTL_PLL2EN BIT(28) /*!< PLL2 enable */
#define RCU_CTL_PLL2STB BIT(29) /*!< PLL2 clock stabilization flag */
#define RCU_CFG0_SCS BITS(0,1) /*!< system clock switch */
#define RCU_CFG0_SCSS BITS(2,3) /*!< system clock switch status */
#define RCU_CFG0_AHBPSC BITS(4,7) /*!< AHB prescaler selection */
#define RCU_CFG0_APB1PSC BITS(8,10) /*!< APB1 prescaler selection */
#define RCU_CFG0_APB2PSC BITS(11,13) /*!< APB2 prescaler selection */
#define RCU_CFG0_ADCPSC BITS(14,15) /*!< ADC prescaler selection */
#define RCU_CFG0_PLLSEL BIT(16) /*!< PLL clock source selection */
#define RCU_CFG0_PREDV0_LSB BIT(17) /*!< the LSB of PREDV0 division factor */
#define RCU_CFG0_PLLMF BITS(18,21) /*!< PLL clock multiplication factor */
#define RCU_CFG0_USBFSPSC BITS(22,23) /*!< USBFS clock prescaler selection */
#define RCU_CFG0_CKOUT0SEL BITS(24,27) /*!< CKOUT0 clock source selection */
#define RCU_CFG0_ADCPSC_2 BIT(28) /*!< bit 2 of ADCPSC */
#define RCU_CFG0_PLLMF_4 BIT(29) /*!< bit 4 of PLLMF */
/* RCU_INT */
#define RCU_INT_IRC40KSTBIF BIT(0) /*!< IRC40K stabilization interrupt flag */
#define RCU_INT_LXTALSTBIF BIT(1) /*!< LXTAL stabilization interrupt flag */
#define RCU_INT_IRC8MSTBIF BIT(2) /*!< IRC8M stabilization interrupt flag */
#define RCU_INT_HXTALSTBIF BIT(3) /*!< HXTAL stabilization interrupt flag */
#define RCU_INT_PLLSTBIF BIT(4) /*!< PLL stabilization interrupt flag */
#define RCU_INT_PLL1STBIF BIT(5) /*!< PLL1 stabilization interrupt flag */
#define RCU_INT_PLL2STBIF BIT(6) /*!< PLL2 stabilization interrupt flag */
#define RCU_INT_CKMIF BIT(7) /*!< HXTAL clock stuck interrupt flag */
#define RCU_INT_IRC40KSTBIE BIT(8) /*!< IRC40K stabilization interrupt enable */
#define RCU_INT_LXTALSTBIE BIT(9) /*!< LXTAL stabilization interrupt enable */
#define RCU_INT_IRC8MSTBIE BIT(10) /*!< IRC8M stabilization interrupt enable */
#define RCU_INT_HXTALSTBIE BIT(11) /*!< HXTAL stabilization interrupt enable */
#define RCU_INT_PLLSTBIE BIT(12) /*!< PLL stabilization interrupt enable */
#define RCU_INT_PLL1STBIE BIT(13) /*!< PLL1 stabilization interrupt enable */
#define RCU_INT_PLL2STBIE BIT(14) /*!< PLL2 stabilization interrupt enable */
#define RCU_INT_IRC40KSTBIC BIT(16) /*!< IRC40K stabilization interrupt clear */
#define RCU_INT_LXTALSTBIC BIT(17) /*!< LXTAL stabilization interrupt clear */
#define RCU_INT_IRC8MSTBIC BIT(18) /*!< IRC8M stabilization interrupt clear */
#define RCU_INT_HXTALSTBIC BIT(19) /*!< HXTAL stabilization interrupt clear */
#define RCU_INT_PLLSTBIC BIT(20) /*!< PLL stabilization interrupt clear */
#define RCU_INT_PLL1STBIC BIT(21) /*!< PLL1 stabilization interrupt clear */
#define RCU_INT_PLL2STBIC BIT(22) /*!< PLL2 stabilization interrupt clear */
#define RCU_INT_CKMIC BIT(23) /*!< HXTAL clock stuck interrupt clear */
/* RCU_APB2RST */
#define RCU_APB2RST_AFRST BIT(0) /*!< alternate function I/O reset */
#define RCU_APB2RST_PARST BIT(2) /*!< GPIO port A reset */
#define RCU_APB2RST_PBRST BIT(3) /*!< GPIO port B reset */
#define RCU_APB2RST_PCRST BIT(4) /*!< GPIO port C reset */
#define RCU_APB2RST_PDRST BIT(5) /*!< GPIO port D reset */
#define RCU_APB2RST_PERST BIT(6) /*!< GPIO port E reset */
#define RCU_APB2RST_ADC0RST BIT(9) /*!< ADC0 reset */
#define RCU_APB2RST_ADC1RST BIT(10) /*!< ADC1 reset */
#define RCU_APB2RST_TIMER0RST BIT(11) /*!< TIMER0 reset */
#define RCU_APB2RST_SPI0RST BIT(12) /*!< SPI0 reset */
#define RCU_APB2RST_USART0RST BIT(14) /*!< USART0 reset */
/* RCU_APB1RST */
#define RCU_APB1RST_TIMER1RST BIT(0) /*!< TIMER1 reset */
#define RCU_APB1RST_TIMER2RST BIT(1) /*!< TIMER2 reset */
#define RCU_APB1RST_TIMER3RST BIT(2) /*!< TIMER3 reset */
#define RCU_APB1RST_TIMER4RST BIT(3) /*!< TIMER4 reset */
#define RCU_APB1RST_TIMER5RST BIT(4) /*!< TIMER5 reset */
#define RCU_APB1RST_TIMER6RST BIT(5) /*!< TIMER6 reset */
#define RCU_APB1RST_WWDGTRST BIT(11) /*!< WWDGT reset */
#define RCU_APB1RST_SPI1RST BIT(14) /*!< SPI1 reset */
#define RCU_APB1RST_SPI2RST BIT(15) /*!< SPI2 reset */
#define RCU_APB1RST_USART1RST BIT(17) /*!< USART1 reset */
#define RCU_APB1RST_USART2RST BIT(18) /*!< USART2 reset */
#define RCU_APB1RST_UART3RST BIT(19) /*!< UART3 reset */
#define RCU_APB1RST_UART4RST BIT(20) /*!< UART4 reset */
#define RCU_APB1RST_I2C0RST BIT(21) /*!< I2C0 reset */
#define RCU_APB1RST_I2C1RST BIT(22) /*!< I2C1 reset */
#define RCU_APB1RST_CAN0RST BIT(25) /*!< CAN0 reset */
#define RCU_APB1RST_CAN1RST BIT(26) /*!< CAN1 reset */
#define RCU_APB1RST_BKPIRST BIT(27) /*!< backup interface reset */
#define RCU_APB1RST_PMURST BIT(28) /*!< PMU reset */
#define RCU_APB1RST_DACRST BIT(29) /*!< DAC reset */
/* RCU_AHBEN */
#define RCU_AHBEN_DMA0EN BIT(0) /*!< DMA0 clock enable */
#define RCU_AHBEN_DMA1EN BIT(1) /*!< DMA1 clock enable */
#define RCU_AHBEN_SRAMSPEN BIT(2) /*!< SRAM clock enable when sleep mode */
#define RCU_AHBEN_FMCSPEN BIT(4) /*!< FMC clock enable when sleep mode */
#define RCU_AHBEN_CRCEN BIT(6) /*!< CRC clock enable */
#define RCU_AHBEN_EXMCEN BIT(8) /*!< EXMC clock enable */
#define RCU_AHBEN_USBFSEN BIT(12) /*!< USBFS clock enable */
/* RCU_APB2EN */
#define RCU_APB2EN_AFEN BIT(0) /*!< alternate function IO clock enable */
#define RCU_APB2EN_PAEN BIT(2) /*!< GPIO port A clock enable */
#define RCU_APB2EN_PBEN BIT(3) /*!< GPIO port B clock enable */
#define RCU_APB2EN_PCEN BIT(4) /*!< GPIO port C clock enable */
#define RCU_APB2EN_PDEN BIT(5) /*!< GPIO port D clock enable */
#define RCU_APB2EN_PEEN BIT(6) /*!< GPIO port E clock enable */
#define RCU_APB2EN_ADC0EN BIT(9) /*!< ADC0 clock enable */
#define RCU_APB2EN_ADC1EN BIT(10) /*!< ADC1 clock enable */
#define RCU_APB2EN_TIMER0EN BIT(11) /*!< TIMER0 clock enable */
#define RCU_APB2EN_SPI0EN BIT(12) /*!< SPI0 clock enable */
#define RCU_APB2EN_USART0EN BIT(14) /*!< USART0 clock enable */
/* RCU_APB1EN */
#define RCU_APB1EN_TIMER1EN BIT(0) /*!< TIMER1 clock enable */
#define RCU_APB1EN_TIMER2EN BIT(1) /*!< TIMER2 clock enable */
#define RCU_APB1EN_TIMER3EN BIT(2) /*!< TIMER3 clock enable */
#define RCU_APB1EN_TIMER4EN BIT(3) /*!< TIMER4 clock enable */
#define RCU_APB1EN_TIMER5EN BIT(4) /*!< TIMER5 clock enable */
#define RCU_APB1EN_TIMER6EN BIT(5) /*!< TIMER6 clock enable */
#define RCU_APB1EN_WWDGTEN BIT(11) /*!< WWDGT clock enable */
#define RCU_APB1EN_SPI1EN BIT(14) /*!< SPI1 clock enable */
#define RCU_APB1EN_SPI2EN BIT(15) /*!< SPI2 clock enable */
#define RCU_APB1EN_USART1EN BIT(17) /*!< USART1 clock enable */
#define RCU_APB1EN_USART2EN BIT(18) /*!< USART2 clock enable */
#define RCU_APB1EN_UART3EN BIT(19) /*!< UART3 clock enable */
#define RCU_APB1EN_UART4EN BIT(20) /*!< UART4 clock enable */
#define RCU_APB1EN_I2C0EN BIT(21) /*!< I2C0 clock enable */
#define RCU_APB1EN_I2C1EN BIT(22) /*!< I2C1 clock enable */
#define RCU_APB1EN_CAN0EN BIT(25) /*!< CAN0 clock enable */
#define RCU_APB1EN_CAN1EN BIT(26) /*!< CAN1 clock enable */
#define RCU_APB1EN_BKPIEN BIT(27) /*!< backup interface clock enable */
#define RCU_APB1EN_PMUEN BIT(28) /*!< PMU clock enable */
#define RCU_APB1EN_DACEN BIT(29) /*!< DAC clock enable */
/* RCU_BDCTL */
#define RCU_BDCTL_LXTALEN BIT(0) /*!< LXTAL enable */
#define RCU_BDCTL_LXTALSTB BIT(1) /*!< low speed crystal oscillator stabilization flag */
#define RCU_BDCTL_LXTALBPS BIT(2) /*!< LXTAL bypass mode enable */
#define RCU_BDCTL_RTCSRC BITS(8,9) /*!< RTC clock entry selection */
#define RCU_BDCTL_RTCEN BIT(15) /*!< RTC clock enable */
#define RCU_BDCTL_BKPRST BIT(16) /*!< backup domain reset */
/* RCU_RSTSCK */
#define RCU_RSTSCK_IRC40KEN BIT(0) /*!< IRC40K enable */
#define RCU_RSTSCK_IRC40KSTB BIT(1) /*!< IRC40K stabilization flag */
#define RCU_RSTSCK_RSTFC BIT(24) /*!< reset flag clear */
#define RCU_RSTSCK_EPRSTF BIT(26) /*!< external pin reset flag */
#define RCU_RSTSCK_PORRSTF BIT(27) /*!< power reset flag */
#define RCU_RSTSCK_SWRSTF BIT(28) /*!< software reset flag */
#define RCU_RSTSCK_FWDGTRSTF BIT(29) /*!< free watchdog timer reset flag */
#define RCU_RSTSCK_WWDGTRSTF BIT(30) /*!< window watchdog timer reset flag */
#define RCU_RSTSCK_LPRSTF BIT(31) /*!< low-power reset flag */
/* RCU_AHBRST */
#define RCU_AHBRST_USBFSRST BIT(12) /*!< USBFS reset */
/* RCU_CFG1 */
#define RCU_CFG1_PREDV0 BITS(0,3) /*!< PREDV0 division factor */
#define RCU_CFG1_PREDV1 BITS(4,7) /*!< PREDV1 division factor */
#define RCU_CFG1_PLL1MF BITS(8,11) /*!< PLL1 clock multiplication factor */
#define RCU_CFG1_PLL2MF BITS(12,15) /*!< PLL2 clock multiplication factor */
#define RCU_CFG1_PREDV0SEL BIT(16) /*!< PREDV0 input clock source selection */
#define RCU_CFG1_I2S1SEL BIT(17) /*!< I2S1 clock source selection */
#define RCU_CFG1_I2S2SEL BIT(18) /*!< I2S2 clock source selection */
/* RCU_DSV */
#define RCU_DSV_DSLPVS BITS(0,1) /*!< deep-sleep mode voltage select */
/* constants definitions */
/* define the peripheral clock enable bit position and its register index offset */
#define RCU_REGIDX_BIT(regidx, bitpos) (((uint32_t)(regidx) << 6) | (uint32_t)(bitpos))
#define RCU_REG_VAL(periph) (REG32(RCU + ((uint32_t)(periph) >> 6)))
#define RCU_BIT_POS(val) ((uint32_t)(val) & 0x1FU)
/* register offset */
/* peripherals enable */
#define AHBEN_REG_OFFSET 0x14U /*!< AHB enable register offset */
#define APB1EN_REG_OFFSET 0x1CU /*!< APB1 enable register offset */
#define APB2EN_REG_OFFSET 0x18U /*!< APB2 enable register offset */
/* peripherals reset */
#define AHBRST_REG_OFFSET 0x28U /*!< AHB reset register offset */
#define APB1RST_REG_OFFSET 0x10U /*!< APB1 reset register offset */
#define APB2RST_REG_OFFSET 0x0CU /*!< APB2 reset register offset */
#define RSTSCK_REG_OFFSET 0x24U /*!< reset source/clock register offset */
/* clock control */
#define CTL_REG_OFFSET 0x00U /*!< control register offset */
#define BDCTL_REG_OFFSET 0x20U /*!< backup domain control register offset */
/* clock stabilization and stuck interrupt */
#define INT_REG_OFFSET 0x08U /*!< clock interrupt register offset */
/* configuration register */
#define CFG0_REG_OFFSET 0x04U /*!< clock configuration register 0 offset */
#define CFG1_REG_OFFSET 0x2CU /*!< clock configuration register 1 offset */
/* peripheral clock enable */
typedef enum {
/* AHB peripherals */
RCU_DMA0 = RCU_REGIDX_BIT(AHBEN_REG_OFFSET, 0U), /*!< DMA0 clock */
RCU_DMA1 = RCU_REGIDX_BIT(AHBEN_REG_OFFSET, 1U), /*!< DMA1 clock */
RCU_CRC = RCU_REGIDX_BIT(AHBEN_REG_OFFSET, 6U), /*!< CRC clock */
RCU_EXMC = RCU_REGIDX_BIT(AHBEN_REG_OFFSET, 8U), /*!< EXMC clock */
RCU_USBFS = RCU_REGIDX_BIT(AHBEN_REG_OFFSET, 12U), /*!< USBFS clock */
/* APB1 peripherals */
RCU_TIMER1 = RCU_REGIDX_BIT(APB1EN_REG_OFFSET, 0U), /*!< TIMER1 clock */
RCU_TIMER2 = RCU_REGIDX_BIT(APB1EN_REG_OFFSET, 1U), /*!< TIMER2 clock */
RCU_TIMER3 = RCU_REGIDX_BIT(APB1EN_REG_OFFSET, 2U), /*!< TIMER3 clock */
RCU_TIMER4 = RCU_REGIDX_BIT(APB1EN_REG_OFFSET, 3U), /*!< TIMER4 clock */
RCU_TIMER5 = RCU_REGIDX_BIT(APB1EN_REG_OFFSET, 4U), /*!< TIMER5 clock */
RCU_TIMER6 = RCU_REGIDX_BIT(APB1EN_REG_OFFSET, 5U), /*!< TIMER6 clock */
RCU_WWDGT = RCU_REGIDX_BIT(APB1EN_REG_OFFSET, 11U), /*!< WWDGT clock */
RCU_SPI1 = RCU_REGIDX_BIT(APB1EN_REG_OFFSET, 14U), /*!< SPI1 clock */
RCU_SPI2 = RCU_REGIDX_BIT(APB1EN_REG_OFFSET, 15U), /*!< SPI2 clock */
RCU_USART1 = RCU_REGIDX_BIT(APB1EN_REG_OFFSET, 17U), /*!< USART1 clock */
RCU_USART2 = RCU_REGIDX_BIT(APB1EN_REG_OFFSET, 18U), /*!< USART2 clock */
RCU_UART3 = RCU_REGIDX_BIT(APB1EN_REG_OFFSET, 19U), /*!< UART3 clock */
RCU_UART4 = RCU_REGIDX_BIT(APB1EN_REG_OFFSET, 20U), /*!< UART4 clock */
RCU_I2C0 = RCU_REGIDX_BIT(APB1EN_REG_OFFSET, 21U), /*!< I2C0 clock */
RCU_I2C1 = RCU_REGIDX_BIT(APB1EN_REG_OFFSET, 22U), /*!< I2C1 clock */
RCU_CAN0 = RCU_REGIDX_BIT(APB1EN_REG_OFFSET, 25U), /*!< CAN0 clock */
RCU_CAN1 = RCU_REGIDX_BIT(APB1EN_REG_OFFSET, 26U), /*!< CAN1 clock */
RCU_BKPI = RCU_REGIDX_BIT(APB1EN_REG_OFFSET, 27U), /*!< BKPI clock */
RCU_PMU = RCU_REGIDX_BIT(APB1EN_REG_OFFSET, 28U), /*!< PMU clock */
RCU_DAC = RCU_REGIDX_BIT(APB1EN_REG_OFFSET, 29U), /*!< DAC clock */
RCU_RTC = RCU_REGIDX_BIT(BDCTL_REG_OFFSET, 15U), /*!< RTC clock */
/* APB2 peripherals */
RCU_AF = RCU_REGIDX_BIT(APB2EN_REG_OFFSET, 0U), /*!< alternate function clock */
RCU_GPIOA = RCU_REGIDX_BIT(APB2EN_REG_OFFSET, 2U), /*!< GPIOA clock */
RCU_GPIOB = RCU_REGIDX_BIT(APB2EN_REG_OFFSET, 3U), /*!< GPIOB clock */
RCU_GPIOC = RCU_REGIDX_BIT(APB2EN_REG_OFFSET, 4U), /*!< GPIOC clock */
RCU_GPIOD = RCU_REGIDX_BIT(APB2EN_REG_OFFSET, 5U), /*!< GPIOD clock */
RCU_GPIOE = RCU_REGIDX_BIT(APB2EN_REG_OFFSET, 6U), /*!< GPIOE clock */
RCU_ADC0 = RCU_REGIDX_BIT(APB2EN_REG_OFFSET, 9U), /*!< ADC0 clock */
RCU_ADC1 = RCU_REGIDX_BIT(APB2EN_REG_OFFSET, 10U), /*!< ADC1 clock */
RCU_TIMER0 = RCU_REGIDX_BIT(APB2EN_REG_OFFSET, 11U), /*!< TIMER0 clock */
RCU_SPI0 = RCU_REGIDX_BIT(APB2EN_REG_OFFSET, 12U), /*!< SPI0 clock */
RCU_USART0 = RCU_REGIDX_BIT(APB2EN_REG_OFFSET, 14U), /*!< USART0 clock */
} rcu_periph_enum;
/* peripheral clock enable when sleep mode*/
typedef enum {
/* AHB peripherals */
RCU_SRAM_SLP = RCU_REGIDX_BIT(AHBEN_REG_OFFSET, 2U), /*!< SRAM clock */
RCU_FMC_SLP = RCU_REGIDX_BIT(AHBEN_REG_OFFSET, 4U), /*!< FMC clock */
} rcu_periph_sleep_enum;
/* peripherals reset */
typedef enum {
/* AHB peripherals */
RCU_USBFSRST = RCU_REGIDX_BIT(AHBRST_REG_OFFSET, 12U), /*!< USBFS clock reset */
/* APB1 peripherals */
RCU_TIMER1RST = RCU_REGIDX_BIT(APB1RST_REG_OFFSET, 0U), /*!< TIMER1 clock reset */
RCU_TIMER2RST = RCU_REGIDX_BIT(APB1RST_REG_OFFSET, 1U), /*!< TIMER2 clock reset */
RCU_TIMER3RST = RCU_REGIDX_BIT(APB1RST_REG_OFFSET, 2U), /*!< TIMER3 clock reset */
RCU_TIMER4RST = RCU_REGIDX_BIT(APB1RST_REG_OFFSET, 3U), /*!< TIMER4 clock reset */
RCU_TIMER5RST = RCU_REGIDX_BIT(APB1RST_REG_OFFSET, 4U), /*!< TIMER5 clock reset */
RCU_TIMER6RST = RCU_REGIDX_BIT(APB1RST_REG_OFFSET, 5U), /*!< TIMER6 clock reset */
RCU_WWDGTRST = RCU_REGIDX_BIT(APB1RST_REG_OFFSET, 11U), /*!< WWDGT clock reset */
RCU_SPI1RST = RCU_REGIDX_BIT(APB1RST_REG_OFFSET, 14U), /*!< SPI1 clock reset */
RCU_SPI2RST = RCU_REGIDX_BIT(APB1RST_REG_OFFSET, 15U), /*!< SPI2 clock reset */
RCU_USART1RST = RCU_REGIDX_BIT(APB1RST_REG_OFFSET, 17U), /*!< USART1 clock reset */
RCU_USART2RST = RCU_REGIDX_BIT(APB1RST_REG_OFFSET, 18U), /*!< USART2 clock reset */
RCU_UART3RST = RCU_REGIDX_BIT(APB1RST_REG_OFFSET, 19U), /*!< UART3 clock reset */
RCU_UART4RST = RCU_REGIDX_BIT(APB1RST_REG_OFFSET, 20U), /*!< UART4 clock reset */
RCU_I2C0RST = RCU_REGIDX_BIT(APB1RST_REG_OFFSET, 21U), /*!< I2C0 clock reset */
RCU_I2C1RST = RCU_REGIDX_BIT(APB1RST_REG_OFFSET, 22U), /*!< I2C1 clock reset */
RCU_CAN0RST = RCU_REGIDX_BIT(APB1RST_REG_OFFSET, 25U), /*!< CAN0 clock reset */
RCU_CAN1RST = RCU_REGIDX_BIT(APB1RST_REG_OFFSET, 26U), /*!< CAN1 clock reset */
RCU_BKPIRST = RCU_REGIDX_BIT(APB1RST_REG_OFFSET, 27U), /*!< BKPI clock reset */
RCU_PMURST = RCU_REGIDX_BIT(APB1RST_REG_OFFSET, 28U), /*!< PMU clock reset */
RCU_DACRST = RCU_REGIDX_BIT(APB1RST_REG_OFFSET, 29U), /*!< DAC clock reset */
/* APB2 peripherals */
RCU_AFRST = RCU_REGIDX_BIT(APB2RST_REG_OFFSET, 0U), /*!< alternate function clock reset */
RCU_GPIOARST = RCU_REGIDX_BIT(APB2RST_REG_OFFSET, 2U), /*!< GPIOA clock reset */
RCU_GPIOBRST = RCU_REGIDX_BIT(APB2RST_REG_OFFSET, 3U), /*!< GPIOB clock reset */
RCU_GPIOCRST = RCU_REGIDX_BIT(APB2RST_REG_OFFSET, 4U), /*!< GPIOC clock reset */
RCU_GPIODRST = RCU_REGIDX_BIT(APB2RST_REG_OFFSET, 5U), /*!< GPIOD clock reset */
RCU_GPIOERST = RCU_REGIDX_BIT(APB2RST_REG_OFFSET, 6U), /*!< GPIOE clock reset */
RCU_ADC0RST = RCU_REGIDX_BIT(APB2RST_REG_OFFSET, 9U), /*!< ADC0 clock reset */
RCU_ADC1RST = RCU_REGIDX_BIT(APB2RST_REG_OFFSET, 10U), /*!< ADC1 clock reset */
RCU_TIMER0RST = RCU_REGIDX_BIT(APB2RST_REG_OFFSET, 11U), /*!< TIMER0 clock reset */
RCU_SPI0RST = RCU_REGIDX_BIT(APB2RST_REG_OFFSET, 12U), /*!< SPI0 clock reset */
RCU_USART0RST = RCU_REGIDX_BIT(APB2RST_REG_OFFSET, 14U), /*!< USART0 clock reset */
} rcu_periph_reset_enum;
/* clock stabilization and peripheral reset flags */
typedef enum {
/* clock stabilization flags */
RCU_FLAG_IRC8MSTB = RCU_REGIDX_BIT(CTL_REG_OFFSET, 1U), /*!< IRC8M stabilization flags */
RCU_FLAG_HXTALSTB = RCU_REGIDX_BIT(CTL_REG_OFFSET, 17U), /*!< HXTAL stabilization flags */
RCU_FLAG_PLLSTB = RCU_REGIDX_BIT(CTL_REG_OFFSET, 25U), /*!< PLL stabilization flags */
RCU_FLAG_PLL1STB = RCU_REGIDX_BIT(CTL_REG_OFFSET, 27U), /*!< PLL1 stabilization flags */
RCU_FLAG_PLL2STB = RCU_REGIDX_BIT(CTL_REG_OFFSET, 29U), /*!< PLL2 stabilization flags */
RCU_FLAG_LXTALSTB = RCU_REGIDX_BIT(BDCTL_REG_OFFSET, 1U), /*!< LXTAL stabilization flags */
RCU_FLAG_IRC40KSTB = RCU_REGIDX_BIT(RSTSCK_REG_OFFSET, 1U), /*!< IRC40K stabilization flags */
/* reset source flags */
RCU_FLAG_EPRST = RCU_REGIDX_BIT(RSTSCK_REG_OFFSET, 26U), /*!< external PIN reset flags */
RCU_FLAG_PORRST = RCU_REGIDX_BIT(RSTSCK_REG_OFFSET, 27U), /*!< power reset flags */
RCU_FLAG_SWRST = RCU_REGIDX_BIT(RSTSCK_REG_OFFSET, 28U), /*!< software reset flags */
RCU_FLAG_FWDGTRST = RCU_REGIDX_BIT(RSTSCK_REG_OFFSET, 29U), /*!< FWDGT reset flags */
RCU_FLAG_WWDGTRST = RCU_REGIDX_BIT(RSTSCK_REG_OFFSET, 30U), /*!< WWDGT reset flags */
RCU_FLAG_LPRST = RCU_REGIDX_BIT(RSTSCK_REG_OFFSET, 31U), /*!< low-power reset flags */
} rcu_flag_enum;
/* clock stabilization and ckm interrupt flags */
typedef enum {
RCU_INT_FLAG_IRC40KSTB = RCU_REGIDX_BIT(INT_REG_OFFSET, 0U), /*!< IRC40K stabilization interrupt flag */
RCU_INT_FLAG_LXTALSTB = RCU_REGIDX_BIT(INT_REG_OFFSET, 1U), /*!< LXTAL stabilization interrupt flag */
RCU_INT_FLAG_IRC8MSTB = RCU_REGIDX_BIT(INT_REG_OFFSET, 2U), /*!< IRC8M stabilization interrupt flag */
RCU_INT_FLAG_HXTALSTB = RCU_REGIDX_BIT(INT_REG_OFFSET, 3U), /*!< HXTAL stabilization interrupt flag */
RCU_INT_FLAG_PLLSTB = RCU_REGIDX_BIT(INT_REG_OFFSET, 4U), /*!< PLL stabilization interrupt flag */
RCU_INT_FLAG_PLL1STB = RCU_REGIDX_BIT(INT_REG_OFFSET, 5U), /*!< PLL1 stabilization interrupt flag */
RCU_INT_FLAG_PLL2STB = RCU_REGIDX_BIT(INT_REG_OFFSET, 6U), /*!< PLL2 stabilization interrupt flag */
RCU_INT_FLAG_CKM = RCU_REGIDX_BIT(INT_REG_OFFSET, 7U), /*!< HXTAL clock stuck interrupt flag */
} rcu_int_flag_enum;
/* clock stabilization and stuck interrupt flags clear */
typedef enum {
RCU_INT_FLAG_IRC40KSTB_CLR = RCU_REGIDX_BIT(INT_REG_OFFSET, 16U), /*!< IRC40K stabilization interrupt flags clear */
RCU_INT_FLAG_LXTALSTB_CLR = RCU_REGIDX_BIT(INT_REG_OFFSET, 17U), /*!< LXTAL stabilization interrupt flags clear */
RCU_INT_FLAG_IRC8MSTB_CLR = RCU_REGIDX_BIT(INT_REG_OFFSET, 18U), /*!< IRC8M stabilization interrupt flags clear */
RCU_INT_FLAG_HXTALSTB_CLR = RCU_REGIDX_BIT(INT_REG_OFFSET, 19U), /*!< HXTAL stabilization interrupt flags clear */
RCU_INT_FLAG_PLLSTB_CLR = RCU_REGIDX_BIT(INT_REG_OFFSET, 20U), /*!< PLL stabilization interrupt flags clear */
RCU_INT_FLAG_PLL1STB_CLR = RCU_REGIDX_BIT(INT_REG_OFFSET, 21U), /*!< PLL1 stabilization interrupt flags clear */
RCU_INT_FLAG_PLL2STB_CLR = RCU_REGIDX_BIT(INT_REG_OFFSET, 22U), /*!< PLL2 stabilization interrupt flags clear */
RCU_INT_FLAG_CKM_CLR = RCU_REGIDX_BIT(INT_REG_OFFSET, 23U), /*!< CKM interrupt flags clear */
} rcu_int_flag_clear_enum;
/* clock stabilization interrupt enable or disable */
typedef enum {
RCU_INT_IRC40KSTB = RCU_REGIDX_BIT(INT_REG_OFFSET, 8U), /*!< IRC40K stabilization interrupt */
RCU_INT_LXTALSTB = RCU_REGIDX_BIT(INT_REG_OFFSET, 9U), /*!< LXTAL stabilization interrupt */
RCU_INT_IRC8MSTB = RCU_REGIDX_BIT(INT_REG_OFFSET, 10U), /*!< IRC8M stabilization interrupt */
RCU_INT_HXTALSTB = RCU_REGIDX_BIT(INT_REG_OFFSET, 11U), /*!< HXTAL stabilization interrupt */
RCU_INT_PLLSTB = RCU_REGIDX_BIT(INT_REG_OFFSET, 12U), /*!< PLL stabilization interrupt */
RCU_INT_PLL1STB = RCU_REGIDX_BIT(INT_REG_OFFSET, 13U), /*!< PLL1 stabilization interrupt */
RCU_INT_PLL2STB = RCU_REGIDX_BIT(INT_REG_OFFSET, 14U), /*!< PLL2 stabilization interrupt */
} rcu_int_enum;
/* oscillator types */
typedef enum {
RCU_HXTAL = RCU_REGIDX_BIT(CTL_REG_OFFSET, 16U), /*!< HXTAL */
RCU_LXTAL = RCU_REGIDX_BIT(BDCTL_REG_OFFSET, 0U), /*!< LXTAL */
RCU_IRC8M = RCU_REGIDX_BIT(CTL_REG_OFFSET, 0U), /*!< IRC8M */
RCU_IRC40K = RCU_REGIDX_BIT(RSTSCK_REG_OFFSET, 0U), /*!< IRC40K */
RCU_PLL_CK = RCU_REGIDX_BIT(CTL_REG_OFFSET, 24U), /*!< PLL */
RCU_PLL1_CK = RCU_REGIDX_BIT(CTL_REG_OFFSET, 26U), /*!< PLL1 */
RCU_PLL2_CK = RCU_REGIDX_BIT(CTL_REG_OFFSET, 28U), /*!< PLL2 */
} rcu_osci_type_enum;
/* rcu clock frequency */
typedef enum {
CK_SYS = 0, /*!< system clock */
CK_AHB, /*!< AHB clock */
CK_APB1, /*!< APB1 clock */
CK_APB2, /*!< APB2 clock */
} rcu_clock_freq_enum;
/* RCU_CFG0 register bit define */
/* system clock source select */
#define CFG0_SCS(regval) (BITS(0,1) & ((uint32_t)(regval) << 0))
#define RCU_CKSYSSRC_IRC8M CFG0_SCS(0) /*!< system clock source select IRC8M */
#define RCU_CKSYSSRC_HXTAL CFG0_SCS(1) /*!< system clock source select HXTAL */
#define RCU_CKSYSSRC_PLL CFG0_SCS(2) /*!< system clock source select PLL */
/* system clock source select status */
#define CFG0_SCSS(regval) (BITS(2,3) & ((uint32_t)(regval) << 2))
#define RCU_SCSS_IRC8M CFG0_SCSS(0) /*!< system clock source select IRC8M */
#define RCU_SCSS_HXTAL CFG0_SCSS(1) /*!< system clock source select HXTAL */
#define RCU_SCSS_PLL CFG0_SCSS(2) /*!< system clock source select PLLP */
/* AHB prescaler selection */
#define CFG0_AHBPSC(regval) (BITS(4,7) & ((uint32_t)(regval) << 4))
#define RCU_AHB_CKSYS_DIV1 CFG0_AHBPSC(0) /*!< AHB prescaler select CK_SYS */
#define RCU_AHB_CKSYS_DIV2 CFG0_AHBPSC(8) /*!< AHB prescaler select CK_SYS/2 */
#define RCU_AHB_CKSYS_DIV4 CFG0_AHBPSC(9) /*!< AHB prescaler select CK_SYS/4 */
#define RCU_AHB_CKSYS_DIV8 CFG0_AHBPSC(10) /*!< AHB prescaler select CK_SYS/8 */
#define RCU_AHB_CKSYS_DIV16 CFG0_AHBPSC(11) /*!< AHB prescaler select CK_SYS/16 */
#define RCU_AHB_CKSYS_DIV64 CFG0_AHBPSC(12) /*!< AHB prescaler select CK_SYS/64 */
#define RCU_AHB_CKSYS_DIV128 CFG0_AHBPSC(13) /*!< AHB prescaler select CK_SYS/128 */
#define RCU_AHB_CKSYS_DIV256 CFG0_AHBPSC(14) /*!< AHB prescaler select CK_SYS/256 */
#define RCU_AHB_CKSYS_DIV512 CFG0_AHBPSC(15) /*!< AHB prescaler select CK_SYS/512 */
/* APB1 prescaler selection */
#define CFG0_APB1PSC(regval) (BITS(8,10) & ((uint32_t)(regval) << 8))
#define RCU_APB1_CKAHB_DIV1 CFG0_APB1PSC(0) /*!< APB1 prescaler select CK_AHB */
#define RCU_APB1_CKAHB_DIV2 CFG0_APB1PSC(4) /*!< APB1 prescaler select CK_AHB/2 */
#define RCU_APB1_CKAHB_DIV4 CFG0_APB1PSC(5) /*!< APB1 prescaler select CK_AHB/4 */
#define RCU_APB1_CKAHB_DIV8 CFG0_APB1PSC(6) /*!< APB1 prescaler select CK_AHB/8 */
#define RCU_APB1_CKAHB_DIV16 CFG0_APB1PSC(7) /*!< APB1 prescaler select CK_AHB/16 */
/* APB2 prescaler selection */
#define CFG0_APB2PSC(regval) (BITS(11,13) & ((uint32_t)(regval) << 11))
#define RCU_APB2_CKAHB_DIV1 CFG0_APB2PSC(0) /*!< APB2 prescaler select CK_AHB */
#define RCU_APB2_CKAHB_DIV2 CFG0_APB2PSC(4) /*!< APB2 prescaler select CK_AHB/2 */
#define RCU_APB2_CKAHB_DIV4 CFG0_APB2PSC(5) /*!< APB2 prescaler select CK_AHB/4 */
#define RCU_APB2_CKAHB_DIV8 CFG0_APB2PSC(6) /*!< APB2 prescaler select CK_AHB/8 */
#define RCU_APB2_CKAHB_DIV16 CFG0_APB2PSC(7) /*!< APB2 prescaler select CK_AHB/16 */
/* ADC prescaler select */
#define RCU_CKADC_CKAPB2_DIV2 ((uint32_t)0x00000000U) /*!< ADC prescaler select CK_APB2/2 */
#define RCU_CKADC_CKAPB2_DIV4 ((uint32_t)0x00000001U) /*!< ADC prescaler select CK_APB2/4 */
#define RCU_CKADC_CKAPB2_DIV6 ((uint32_t)0x00000002U) /*!< ADC prescaler select CK_APB2/6 */
#define RCU_CKADC_CKAPB2_DIV8 ((uint32_t)0x00000003U) /*!< ADC prescaler select CK_APB2/8 */
#define RCU_CKADC_CKAPB2_DIV12 ((uint32_t)0x00000005U) /*!< ADC prescaler select CK_APB2/12 */
#define RCU_CKADC_CKAPB2_DIV16 ((uint32_t)0x00000007U) /*!< ADC prescaler select CK_APB2/16 */
/* PLL clock source selection */
#define RCU_PLLSRC_IRC8M_DIV2 ((uint32_t)0x00000000U) /*!< IRC8M/2 clock selected as source clock of PLL */
#define RCU_PLLSRC_HXTAL RCU_CFG0_PLLSEL /*!< HXTAL clock selected as source clock of PLL */
/* PLL clock multiplication factor */
#define PLLMF_4 RCU_CFG0_PLLMF_4 /* bit 4 of PLLMF */
#define CFG0_PLLMF(regval) (BITS(18,21) & ((uint32_t)(regval) << 18))
#define RCU_PLL_MUL2 CFG0_PLLMF(0) /*!< PLL source clock multiply by 2 */
#define RCU_PLL_MUL3 CFG0_PLLMF(1) /*!< PLL source clock multiply by 3 */
#define RCU_PLL_MUL4 CFG0_PLLMF(2) /*!< PLL source clock multiply by 4 */
#define RCU_PLL_MUL5 CFG0_PLLMF(3) /*!< PLL source clock multiply by 5 */
#define RCU_PLL_MUL6 CFG0_PLLMF(4) /*!< PLL source clock multiply by 6 */
#define RCU_PLL_MUL7 CFG0_PLLMF(5) /*!< PLL source clock multiply by 7 */
#define RCU_PLL_MUL8 CFG0_PLLMF(6) /*!< PLL source clock multiply by 8 */
#define RCU_PLL_MUL9 CFG0_PLLMF(7) /*!< PLL source clock multiply by 9 */
#define RCU_PLL_MUL10 CFG0_PLLMF(8) /*!< PLL source clock multiply by 10 */
#define RCU_PLL_MUL11 CFG0_PLLMF(9) /*!< PLL source clock multiply by 11 */
#define RCU_PLL_MUL12 CFG0_PLLMF(10) /*!< PLL source clock multiply by 12 */
#define RCU_PLL_MUL13 CFG0_PLLMF(11) /*!< PLL source clock multiply by 13 */
#define RCU_PLL_MUL14 CFG0_PLLMF(12) /*!< PLL source clock multiply by 14 */
#define RCU_PLL_MUL6_5 CFG0_PLLMF(13) /*!< PLL source clock multiply by 6.5 */
#define RCU_PLL_MUL16 CFG0_PLLMF(14) /*!< PLL source clock multiply by 16 */
#define RCU_PLL_MUL17 (PLLMF_4 | CFG0_PLLMF(0)) /*!< PLL source clock multiply by 17 */
#define RCU_PLL_MUL18 (PLLMF_4 | CFG0_PLLMF(1)) /*!< PLL source clock multiply by 18 */
#define RCU_PLL_MUL19 (PLLMF_4 | CFG0_PLLMF(2)) /*!< PLL source clock multiply by 19 */
#define RCU_PLL_MUL20 (PLLMF_4 | CFG0_PLLMF(3)) /*!< PLL source clock multiply by 20 */
#define RCU_PLL_MUL21 (PLLMF_4 | CFG0_PLLMF(4)) /*!< PLL source clock multiply by 21 */
#define RCU_PLL_MUL22 (PLLMF_4 | CFG0_PLLMF(5)) /*!< PLL source clock multiply by 22 */
#define RCU_PLL_MUL23 (PLLMF_4 | CFG0_PLLMF(6)) /*!< PLL source clock multiply by 23 */
#define RCU_PLL_MUL24 (PLLMF_4 | CFG0_PLLMF(7)) /*!< PLL source clock multiply by 24 */
#define RCU_PLL_MUL25 (PLLMF_4 | CFG0_PLLMF(8)) /*!< PLL source clock multiply by 25 */
#define RCU_PLL_MUL26 (PLLMF_4 | CFG0_PLLMF(9)) /*!< PLL source clock multiply by 26 */
#define RCU_PLL_MUL27 (PLLMF_4 | CFG0_PLLMF(10)) /*!< PLL source clock multiply by 27 */
#define RCU_PLL_MUL28 (PLLMF_4 | CFG0_PLLMF(11)) /*!< PLL source clock multiply by 28 */
#define RCU_PLL_MUL29 (PLLMF_4 | CFG0_PLLMF(12)) /*!< PLL source clock multiply by 29 */
#define RCU_PLL_MUL30 (PLLMF_4 | CFG0_PLLMF(13)) /*!< PLL source clock multiply by 30 */
#define RCU_PLL_MUL31 (PLLMF_4 | CFG0_PLLMF(14)) /*!< PLL source clock multiply by 31 */
#define RCU_PLL_MUL32 (PLLMF_4 | CFG0_PLLMF(15)) /*!< PLL source clock multiply by 32 */
/* USBFS prescaler select */
#define CFG0_USBPSC(regval) (BITS(22,23) & ((uint32_t)(regval) << 22))
#define RCU_CKUSB_CKPLL_DIV1_5 CFG0_USBPSC(0) /*!< USBFS prescaler select CK_PLL/1.5 */
#define RCU_CKUSB_CKPLL_DIV1 CFG0_USBPSC(1) /*!< USBFS prescaler select CK_PLL/1 */
#define RCU_CKUSB_CKPLL_DIV2_5 CFG0_USBPSC(2) /*!< USBFS prescaler select CK_PLL/2.5 */
#define RCU_CKUSB_CKPLL_DIV2 CFG0_USBPSC(3) /*!< USBFS prescaler select CK_PLL/2 */
/* CKOUT0 clock source selection */
#define CFG0_CKOUT0SEL(regval) (BITS(24,27) & ((uint32_t)(regval) << 24))
#define RCU_CKOUT0SRC_NONE CFG0_CKOUT0SEL(0) /*!< no clock selected */
#define RCU_CKOUT0SRC_CKSYS CFG0_CKOUT0SEL(4) /*!< system clock selected */
#define RCU_CKOUT0SRC_IRC8M CFG0_CKOUT0SEL(5) /*!< internal 8M RC oscillator clock selected */
#define RCU_CKOUT0SRC_HXTAL CFG0_CKOUT0SEL(6) /*!< high speed crystal oscillator clock (HXTAL) selected */
#define RCU_CKOUT0SRC_CKPLL_DIV2 CFG0_CKOUT0SEL(7) /*!< CK_PLL/2 clock selected */
#define RCU_CKOUT0SRC_CKPLL1 CFG0_CKOUT0SEL(8) /*!< CK_PLL1 clock selected */
#define RCU_CKOUT0SRC_CKPLL2_DIV2 CFG0_CKOUT0SEL(9) /*!< CK_PLL2/2 clock selected */
#define RCU_CKOUT0SRC_EXT1 CFG0_CKOUT0SEL(10) /*!< EXT1 selected */
#define RCU_CKOUT0SRC_CKPLL2 CFG0_CKOUT0SEL(11) /*!< CK_PLL2 clock selected */
/* RTC clock entry selection */
#define BDCTL_RTCSRC(regval) (BITS(8,9) & ((uint32_t)(regval) << 8))
#define RCU_RTCSRC_NONE BDCTL_RTCSRC(0) /*!< no clock selected */
#define RCU_RTCSRC_LXTAL BDCTL_RTCSRC(1) /*!< RTC source clock select LXTAL */
#define RCU_RTCSRC_IRC40K BDCTL_RTCSRC(2) /*!< RTC source clock select IRC40K */
#define RCU_RTCSRC_HXTAL_DIV_128 BDCTL_RTCSRC(3) /*!< RTC source clock select HXTAL/128 */
/* PREDV0 division factor */
#define CFG1_PREDV0(regval) (BITS(0,3) & ((uint32_t)(regval) << 0))
#define RCU_PREDV0_DIV1 CFG1_PREDV0(0) /*!< PREDV0 input source clock not divided */
#define RCU_PREDV0_DIV2 CFG1_PREDV0(1) /*!< PREDV0 input source clock divided by 2 */
#define RCU_PREDV0_DIV3 CFG1_PREDV0(2) /*!< PREDV0 input source clock divided by 3 */
#define RCU_PREDV0_DIV4 CFG1_PREDV0(3) /*!< PREDV0 input source clock divided by 4 */
#define RCU_PREDV0_DIV5 CFG1_PREDV0(4) /*!< PREDV0 input source clock divided by 5 */
#define RCU_PREDV0_DIV6 CFG1_PREDV0(5) /*!< PREDV0 input source clock divided by 6 */
#define RCU_PREDV0_DIV7 CFG1_PREDV0(6) /*!< PREDV0 input source clock divided by 7 */
#define RCU_PREDV0_DIV8 CFG1_PREDV0(7) /*!< PREDV0 input source clock divided by 8 */
#define RCU_PREDV0_DIV9 CFG1_PREDV0(8) /*!< PREDV0 input source clock divided by 9 */
#define RCU_PREDV0_DIV10 CFG1_PREDV0(9) /*!< PREDV0 input source clock divided by 10 */
#define RCU_PREDV0_DIV11 CFG1_PREDV0(10) /*!< PREDV0 input source clock divided by 11 */
#define RCU_PREDV0_DIV12 CFG1_PREDV0(11) /*!< PREDV0 input source clock divided by 12 */
#define RCU_PREDV0_DIV13 CFG1_PREDV0(12) /*!< PREDV0 input source clock divided by 13 */
#define RCU_PREDV0_DIV14 CFG1_PREDV0(13) /*!< PREDV0 input source clock divided by 14 */
#define RCU_PREDV0_DIV15 CFG1_PREDV0(14) /*!< PREDV0 input source clock divided by 15 */
#define RCU_PREDV0_DIV16 CFG1_PREDV0(15) /*!< PREDV0 input source clock divided by 16 */
/* PREDV1 division factor */
#define CFG1_PREDV1(regval) (BITS(4,7) & ((uint32_t)(regval) << 4))
#define RCU_PREDV1_DIV1 CFG1_PREDV1(0) /*!< PREDV1 input source clock not divided */
#define RCU_PREDV1_DIV2 CFG1_PREDV1(1) /*!< PREDV1 input source clock divided by 2 */
#define RCU_PREDV1_DIV3 CFG1_PREDV1(2) /*!< PREDV1 input source clock divided by 3 */
#define RCU_PREDV1_DIV4 CFG1_PREDV1(3) /*!< PREDV1 input source clock divided by 4 */
#define RCU_PREDV1_DIV5 CFG1_PREDV1(4) /*!< PREDV1 input source clock divided by 5 */
#define RCU_PREDV1_DIV6 CFG1_PREDV1(5) /*!< PREDV1 input source clock divided by 6 */
#define RCU_PREDV1_DIV7 CFG1_PREDV1(6) /*!< PREDV1 input source clock divided by 7 */
#define RCU_PREDV1_DIV8 CFG1_PREDV1(7) /*!< PREDV1 input source clock divided by 8 */
#define RCU_PREDV1_DIV9 CFG1_PREDV1(8) /*!< PREDV1 input source clock divided by 9 */
#define RCU_PREDV1_DIV10 CFG1_PREDV1(9) /*!< PREDV1 input source clock divided by 10 */
#define RCU_PREDV1_DIV11 CFG1_PREDV1(10) /*!< PREDV1 input source clock divided by 11 */
#define RCU_PREDV1_DIV12 CFG1_PREDV1(11) /*!< PREDV1 input source clock divided by 12 */
#define RCU_PREDV1_DIV13 CFG1_PREDV1(12) /*!< PREDV1 input source clock divided by 13 */
#define RCU_PREDV1_DIV14 CFG1_PREDV1(13) /*!< PREDV1 input source clock divided by 14 */
#define RCU_PREDV1_DIV15 CFG1_PREDV1(14) /*!< PREDV1 input source clock divided by 15 */
#define RCU_PREDV1_DIV16 CFG1_PREDV1(15) /*!< PREDV1 input source clock divided by 16 */
/* PLL1 clock multiplication factor */
#define CFG1_PLL1MF(regval) (BITS(8,11) & ((uint32_t)(regval) << 8))
#define RCU_PLL1_MUL8 CFG1_PLL1MF(6) /*!< PLL1 source clock multiply by 8 */
#define RCU_PLL1_MUL9 CFG1_PLL1MF(7) /*!< PLL1 source clock multiply by 9 */
#define RCU_PLL1_MUL10 CFG1_PLL1MF(8) /*!< PLL1 source clock multiply by 10 */
#define RCU_PLL1_MUL11 CFG1_PLL1MF(9) /*!< PLL1 source clock multiply by 11 */
#define RCU_PLL1_MUL12 CFG1_PLL1MF(10) /*!< PLL1 source clock multiply by 12 */
#define RCU_PLL1_MUL13 CFG1_PLL1MF(11) /*!< PLL1 source clock multiply by 13 */
#define RCU_PLL1_MUL14 CFG1_PLL1MF(12) /*!< PLL1 source clock multiply by 14 */
#define RCU_PLL1_MUL15 CFG1_PLL1MF(13) /*!< PLL1 source clock multiply by 15 */
#define RCU_PLL1_MUL16 CFG1_PLL1MF(14) /*!< PLL1 source clock multiply by 16 */
#define RCU_PLL1_MUL20 CFG1_PLL1MF(15) /*!< PLL1 source clock multiply by 20 */
/* PLL2 clock multiplication factor */
#define CFG1_PLL2MF(regval) (BITS(12,15) & ((uint32_t)(regval) << 12))
#define RCU_PLL2_MUL8 CFG1_PLL2MF(6) /*!< PLL2 source clock multiply by 8 */
#define RCU_PLL2_MUL9 CFG1_PLL2MF(7) /*!< PLL2 source clock multiply by 9 */
#define RCU_PLL2_MUL10 CFG1_PLL2MF(8) /*!< PLL2 source clock multiply by 10 */
#define RCU_PLL2_MUL11 CFG1_PLL2MF(9) /*!< PLL2 source clock multiply by 11 */
#define RCU_PLL2_MUL12 CFG1_PLL2MF(10) /*!< PLL2 source clock multiply by 12 */
#define RCU_PLL2_MUL13 CFG1_PLL2MF(11) /*!< PLL2 source clock multiply by 13 */
#define RCU_PLL2_MUL14 CFG1_PLL2MF(12) /*!< PLL2 source clock multiply by 14 */
#define RCU_PLL2_MUL15 CFG1_PLL2MF(13) /*!< PLL2 source clock multiply by 15 */
#define RCU_PLL2_MUL16 CFG1_PLL2MF(14) /*!< PLL2 source clock multiply by 16 */
#define RCU_PLL2_MUL20 CFG1_PLL2MF(15) /*!< PLL2 source clock multiply by 20 */
/* PREDV0 input clock source selection */
#define RCU_PREDV0SRC_HXTAL ((uint32_t)0x00000000U) /*!< HXTAL selected as PREDV0 input source clock */
#define RCU_PREDV0SRC_CKPLL1 RCU_CFG1_PREDV0SEL /*!< CK_PLL1 selected as PREDV0 input source clock */
/* I2S1 clock source selection */
#define RCU_I2S1SRC_CKSYS ((uint32_t)0x00000000U) /*!< system clock selected as I2S1 source clock */
#define RCU_I2S1SRC_CKPLL2_MUL2 RCU_CFG1_I2S1SEL /*!< (CK_PLL2 x 2) selected as I2S1 source clock */
/* I2S2 clock source selection */
#define RCU_I2S2SRC_CKSYS ((uint32_t)0x00000000U) /*!< system clock selected as I2S2 source clock */
#define RCU_I2S2SRC_CKPLL2_MUL2 RCU_CFG1_I2S2SEL /*!< (CK_PLL2 x 2) selected as I2S2 source clock */
/* deep-sleep mode voltage */
#define DSV_DSLPVS(regval) (BITS(0,1) & ((uint32_t)(regval) << 0))
#define RCU_DEEPSLEEP_V_1_2 DSV_DSLPVS(0) /*!< core voltage is 1.2V in deep-sleep mode */
#define RCU_DEEPSLEEP_V_1_1 DSV_DSLPVS(1) /*!< core voltage is 1.1V in deep-sleep mode */
#define RCU_DEEPSLEEP_V_1_0 DSV_DSLPVS(2) /*!< core voltage is 1.0V in deep-sleep mode */
#define RCU_DEEPSLEEP_V_0_9 DSV_DSLPVS(3) /*!< core voltage is 0.9V in deep-sleep mode */
/* function declarations */
/* initialization, peripheral clock enable/disable functions */
/* deinitialize the RCU */
void rcu_deinit(void);
/* enable the peripherals clock */
void rcu_periph_clock_enable(rcu_periph_enum periph);
/* disable the peripherals clock */
void rcu_periph_clock_disable(rcu_periph_enum periph);
/* enable the peripherals clock when sleep mode */
void rcu_periph_clock_sleep_enable(rcu_periph_sleep_enum periph);
/* disable the peripherals clock when sleep mode */
void rcu_periph_clock_sleep_disable(rcu_periph_sleep_enum periph);
/* reset the peripherals */
void rcu_periph_reset_enable(rcu_periph_reset_enum periph_reset);
/* disable reset the peripheral */
void rcu_periph_reset_disable(rcu_periph_reset_enum periph_reset);
/* reset the BKP domain */
void rcu_bkp_reset_enable(void);
/* disable the BKP domain reset */
void rcu_bkp_reset_disable(void);
/* clock configuration functions */
/* configure the system clock source */
void rcu_system_clock_source_config(uint32_t ck_sys);
/* get the system clock source */
uint32_t rcu_system_clock_source_get(void);
/* configure the AHB prescaler selection */
void rcu_ahb_clock_config(uint32_t ck_ahb);
/* configure the APB1 prescaler selection */
void rcu_apb1_clock_config(uint32_t ck_apb1);
/* configure the APB2 prescaler selection */
void rcu_apb2_clock_config(uint32_t ck_apb2);
/* configure the CK_OUT0 clock source and divider */
void rcu_ckout0_config(uint32_t ckout0_src);
/* configure the PLL clock source selection and PLL multiply factor */
void rcu_pll_config(uint32_t pll_src, uint32_t pll_mul);
/* configure the PREDV0 division factor and clock source */
void rcu_predv0_config(uint32_t predv0_source, uint32_t predv0_div);
/* configure the PREDV1 division factor */
void rcu_predv1_config(uint32_t predv1_div);
/* configure the PLL1 clock */
void rcu_pll1_config(uint32_t pll_mul);
/* configure the PLL2 clock */
void rcu_pll2_config(uint32_t pll_mul);
/* peripheral clock configuration functions */
/* configure the ADC division factor */
void rcu_adc_clock_config(uint32_t adc_psc);
/* configure the USBD/USBFS prescaler factor */
void rcu_usb_clock_config(uint32_t usb_psc);
/* configure the RTC clock source selection */
void rcu_rtc_clock_config(uint32_t rtc_clock_source);
/* configure the I2S1 clock source selection */
void rcu_i2s1_clock_config(uint32_t i2s_clock_source);
/* configure the I2S2 clock source selection */
void rcu_i2s2_clock_config(uint32_t i2s_clock_source);
/* interrupt & flag functions */
/* get the clock stabilization and periphral reset flags */
FlagStatus rcu_flag_get(rcu_flag_enum flag);
/* clear the reset flag */
void rcu_all_reset_flag_clear(void);
/* get the clock stabilization interrupt and ckm flags */
FlagStatus rcu_interrupt_flag_get(rcu_int_flag_enum int_flag);
/* clear the interrupt flags */
void rcu_interrupt_flag_clear(rcu_int_flag_clear_enum int_flag_clear);
/* enable the stabilization interrupt */
void rcu_interrupt_enable(rcu_int_enum stab_int);
/* disable the stabilization interrupt */
void rcu_interrupt_disable(rcu_int_enum stab_int);
/* oscillator configuration functions */
/* wait for oscillator stabilization flags is SET or oscillator startup is timeout */
ErrStatus rcu_osci_stab_wait(rcu_osci_type_enum osci);
/* turn on the oscillator */
void rcu_osci_on(rcu_osci_type_enum osci);
/* turn off the oscillator */
void rcu_osci_off(rcu_osci_type_enum osci);
/* enable the oscillator bypass mode, HXTALEN or LXTALEN must be reset before it */
void rcu_osci_bypass_mode_enable(rcu_osci_type_enum osci);
/* disable the oscillator bypass mode, HXTALEN or LXTALEN must be reset before it */
void rcu_osci_bypass_mode_disable(rcu_osci_type_enum osci);
/* enable the HXTAL clock monitor */
void rcu_hxtal_clock_monitor_enable(void);
/* disable the HXTAL clock monitor */
void rcu_hxtal_clock_monitor_disable(void);
/* set the IRC8M adjust value */
void rcu_irc8m_adjust_value_set(uint32_t irc8m_adjval);
/* set the deep sleep mode voltage */
void rcu_deepsleep_voltage_set(uint32_t dsvol);
/* get the system clock, bus and peripheral clock frequency */
uint32_t rcu_clock_freq_get(rcu_clock_freq_enum clock);
#endif /* GD32VF103_RCU_H */

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/*!
\file gd32vf103_rtc.h
\brief definitions for the RTC
\version 2019-06-05, V1.0.0, firmware for GD32VF103
*/
/*
Copyright (c) 2019, GigaDevice Semiconductor Inc.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
3. Neither the name of the copyright holder nor the names of its contributors
may be used to endorse or promote products derived from this software without
specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
OF SUCH DAMAGE.
*/
#ifndef GD32VF103_RTC_H
#define GD32VF103_RTC_H
#include "gd32vf103.h"
/* RTC definitions */
#define RTC RTC_BASE
/* registers definitions */
#define RTC_INTEN REG32(RTC + 0x00U) /*!< interrupt enable register */
#define RTC_CTL REG32(RTC + 0x04U) /*!< control register */
#define RTC_PSCH REG32(RTC + 0x08U) /*!< prescaler high register */
#define RTC_PSCL REG32(RTC + 0x0CU) /*!< prescaler low register */
#define RTC_DIVH REG32(RTC + 0x10U) /*!< divider high register */
#define RTC_DIVL REG32(RTC + 0x14U) /*!< divider low register */
#define RTC_CNTH REG32(RTC + 0x18U) /*!< counter high register */
#define RTC_CNTL REG32(RTC + 0x1CU) /*!< counter low register */
#define RTC_ALRMH REG32(RTC + 0x20U) /*!< alarm high register */
#define RTC_ALRML REG32(RTC + 0x24U) /*!< alarm low register */
/* bits definitions */
/* RTC_INTEN */
#define RTC_INTEN_SCIE BIT(0) /*!< second interrupt enable */
#define RTC_INTEN_ALRMIE BIT(1) /*!< alarm interrupt enable */
#define RTC_INTEN_OVIE BIT(2) /*!< overflow interrupt enable */
/* RTC_CTL */
#define RTC_CTL_SCIF BIT(0) /*!< second interrupt flag */
#define RTC_CTL_ALRMIF BIT(1) /*!< alarm interrupt flag */
#define RTC_CTL_OVIF BIT(2) /*!< overflow interrupt flag */
#define RTC_CTL_RSYNF BIT(3) /*!< registers synchronized flag */
#define RTC_CTL_CMF BIT(4) /*!< configuration mode flag */
#define RTC_CTL_LWOFF BIT(5) /*!< last write operation finished flag */
/* RTC_PSCH */
#define RTC_PSCH_PSC BITS(0,3) /*!< prescaler high value */
/* RTC_PSCL */
#define RTC_PSCL_PSC BITS(0,15) /*!< prescaler low value */
/* RTC_DIVH */
#define RTC_DIVH_DIV BITS(0,3) /*!< divider high value */
/* RTC_DIVL */
#define RTC_DIVL_DIV BITS(0,15) /*!< divider low value */
/* RTC_CNTH */
#define RTC_CNTH_CNT BITS(0,15) /*!< counter high value */
/* RTC_CNTL */
#define RTC_CNTL_CNT BITS(0,15) /*!< counter low value */
/* RTC_ALRMH */
#define RTC_ALRMH_ALRM BITS(0,15) /*!< alarm high value */
/* RTC_ALRML */
#define RTC_ALRML_ALRM BITS(0,15) /*!< alarm low value */
/* constants definitions */
/* RTC interrupt enable or disable definitions */
#define RTC_INT_SECOND RTC_INTEN_SCIE /*!< second interrupt enable */
#define RTC_INT_ALARM RTC_INTEN_ALRMIE /*!< alarm interrupt enable */
#define RTC_INT_OVERFLOW RTC_INTEN_OVIE /*!< overflow interrupt enable */
/* RTC interrupt flag definitions */
#define RTC_INT_FLAG_SECOND RTC_CTL_SCIF /*!< second interrupt flag */
#define RTC_INT_FLAG_ALARM RTC_CTL_ALRMIF /*!< alarm interrupt flag */
#define RTC_INT_FLAG_OVERFLOW RTC_CTL_OVIF /*!< overflow interrupt flag */
/* RTC flag definitions */
#define RTC_FLAG_SECOND RTC_CTL_SCIF /*!< second interrupt flag */
#define RTC_FLAG_ALARM RTC_CTL_ALRMIF /*!< alarm interrupt flag */
#define RTC_FLAG_OVERFLOW RTC_CTL_OVIF /*!< overflow interrupt flag */
#define RTC_FLAG_RSYN RTC_CTL_RSYNF /*!< registers synchronized flag */
#define RTC_FLAG_LWOF RTC_CTL_LWOFF /*!< last write operation finished flag */
/* function declarations */
/* initialization functions */
/* enter RTC configuration mode */
void rtc_configuration_mode_enter(void);
/* exit RTC configuration mode */
void rtc_configuration_mode_exit(void);
/* set RTC counter value */
void rtc_counter_set(uint32_t cnt);
/* set RTC prescaler value */
void rtc_prescaler_set(uint32_t psc);
/* operation functions */
/* wait RTC last write operation finished flag set */
void rtc_lwoff_wait(void);
/* wait RTC registers synchronized flag set */
void rtc_register_sync_wait(void);
/* set RTC alarm value */
void rtc_alarm_config(uint32_t alarm);
/* get RTC counter value */
uint32_t rtc_counter_get(void);
/* get RTC divider value */
uint32_t rtc_divider_get(void);
/* flag & interrupt functions */
/* get RTC flag status */
FlagStatus rtc_flag_get(uint32_t flag);
/* clear RTC flag status */
void rtc_flag_clear(uint32_t flag);
/* get RTC interrupt flag status */
FlagStatus rtc_interrupt_flag_get(uint32_t flag);
/* clear RTC interrupt flag status */
void rtc_interrupt_flag_clear(uint32_t flag);
/* enable RTC interrupt */
void rtc_interrupt_enable(uint32_t interrupt);
/* disable RTC interrupt */
void rtc_interrupt_disable(uint32_t interrupt);
#endif /* GD32VF103_RTC_H */

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/*!
\file gd32vf103_spi.h
\brief definitions for the SPI
\version 2019-06-05, V1.0.0, firmware for GD32VF103
*/
/*
Copyright (c) 2019, GigaDevice Semiconductor Inc.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
3. Neither the name of the copyright holder nor the names of its contributors
may be used to endorse or promote products derived from this software without
specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
OF SUCH DAMAGE.
*/
#ifndef GD32VF103_SPI_H
#define GD32VF103_SPI_H
#include "gd32vf103.h"
/* SPIx(x=0,1,2) definitions */
#define SPI0 (SPI_BASE + 0x0000F800U)
#define SPI1 SPI_BASE
#define SPI2 (SPI_BASE + 0x00000400U)
/* SPI registers definitions */
#define SPI_CTL0(spix) REG32((spix) + 0x00U) /*!< SPI control register 0 */
#define SPI_CTL1(spix) REG32((spix) + 0x04U) /*!< SPI control register 1*/
#define SPI_STAT(spix) REG32((spix) + 0x08U) /*!< SPI status register */
#define SPI_DATA(spix) REG32((spix) + 0x0CU) /*!< SPI data register */
#define SPI_CRCPOLY(spix) REG32((spix) + 0x10U) /*!< SPI CRC polynomial register */
#define SPI_RCRC(spix) REG32((spix) + 0x14U) /*!< SPI receive CRC register */
#define SPI_TCRC(spix) REG32((spix) + 0x18U) /*!< SPI transmit CRC register */
#define SPI_I2SCTL(spix) REG32((spix) + 0x1CU) /*!< SPI I2S control register */
#define SPI_I2SPSC(spix) REG32((spix) + 0x20U) /*!< SPI I2S clock prescaler register */
/* bits definitions */
/* SPI_CTL0 */
#define SPI_CTL0_CKPH BIT(0) /*!< clock phase selection*/
#define SPI_CTL0_CKPL BIT(1) /*!< clock polarity selection */
#define SPI_CTL0_MSTMOD BIT(2) /*!< master mode enable */
#define SPI_CTL0_PSC BITS(3,5) /*!< master clock prescaler selection */
#define SPI_CTL0_SPIEN BIT(6) /*!< SPI enable*/
#define SPI_CTL0_LF BIT(7) /*!< LSB first mode */
#define SPI_CTL0_SWNSS BIT(8) /*!< NSS pin selection in NSS software mode */
#define SPI_CTL0_SWNSSEN BIT(9) /*!< NSS software mode selection */
#define SPI_CTL0_RO BIT(10) /*!< receive only */
#define SPI_CTL0_FF16 BIT(11) /*!< data frame size */
#define SPI_CTL0_CRCNT BIT(12) /*!< CRC next transfer */
#define SPI_CTL0_CRCEN BIT(13) /*!< CRC calculation enable */
#define SPI_CTL0_BDOEN BIT(14) /*!< bidirectional transmit output enable*/
#define SPI_CTL0_BDEN BIT(15) /*!< bidirectional enable */
/* SPI_CTL1 */
#define SPI_CTL1_DMAREN BIT(0) /*!< receive buffer dma enable */
#define SPI_CTL1_DMATEN BIT(1) /*!< transmit buffer dma enable */
#define SPI_CTL1_NSSDRV BIT(2) /*!< drive NSS output */
#define SPI_CTL1_NSSP BIT(3) /*!< SPI NSS pulse mode enable */
#define SPI_CTL1_TMOD BIT(4) /*!< SPI TI mode enable */
#define SPI_CTL1_ERRIE BIT(5) /*!< errors interrupt enable */
#define SPI_CTL1_RBNEIE BIT(6) /*!< receive buffer not empty interrupt enable */
#define SPI_CTL1_TBEIE BIT(7) /*!< transmit buffer empty interrupt enable */
/* SPI_STAT */
#define SPI_STAT_RBNE BIT(0) /*!< receive buffer not empty */
#define SPI_STAT_TBE BIT(1) /*!< transmit buffer empty */
#define SPI_STAT_I2SCH BIT(2) /*!< I2S channel side */
#define SPI_STAT_TXURERR BIT(3) /*!< I2S transmission underrun error bit */
#define SPI_STAT_CRCERR BIT(4) /*!< SPI CRC error bit */
#define SPI_STAT_CONFERR BIT(5) /*!< SPI configuration error bit */
#define SPI_STAT_RXORERR BIT(6) /*!< SPI reception overrun error bit */
#define SPI_STAT_TRANS BIT(7) /*!< transmitting on-going bit */
#define SPI_STAT_FERR BIT(8) /*!< format error bit */
/* SPI_DATA */
#define SPI_DATA_DATA BITS(0,15) /*!< data transfer register */
/* SPI_CRCPOLY */
#define SPI_CRCPOLY_CRCPOLY BITS(0,15) /*!< CRC polynomial value */
/* SPI_RCRC */
#define SPI_RCRC_RCRC BITS(0,15) /*!< RX CRC value */
/* SPI_TCRC */
#define SPI_TCRC_TCRC BITS(0,15) /*!< TX CRC value */
/* SPI_I2SCTL */
#define SPI_I2SCTL_CHLEN BIT(0) /*!< channel length */
#define SPI_I2SCTL_DTLEN BITS(1,2) /*!< data length */
#define SPI_I2SCTL_CKPL BIT(3) /*!< idle state clock polarity */
#define SPI_I2SCTL_I2SSTD BITS(4,5) /*!< I2S standard selection */
#define SPI_I2SCTL_PCMSMOD BIT(7) /*!< PCM frame synchronization mode */
#define SPI_I2SCTL_I2SOPMOD BITS(8,9) /*!< I2S operation mode */
#define SPI_I2SCTL_I2SEN BIT(10) /*!< I2S enable */
#define SPI_I2SCTL_I2SSEL BIT(11) /*!< I2S mode selection */
/* SPI_I2SPSC */
#define SPI_I2SPSC_DIV BITS(0,7) /*!< dividing factor for the prescaler */
#define SPI_I2SPSC_OF BIT(8) /*!< odd factor for the prescaler */
#define SPI_I2SPSC_MCKOEN BIT(9) /*!< I2S MCK output enable */
/* constants definitions */
/* SPI and I2S parameter struct definitions */
typedef struct
{
uint32_t device_mode; /*!< SPI master or slave */
uint32_t trans_mode; /*!< SPI transtype */
uint32_t frame_size; /*!< SPI frame size */
uint32_t nss; /*!< SPI NSS control by handware or software */
uint32_t endian; /*!< SPI big endian or little endian */
uint32_t clock_polarity_phase; /*!< SPI clock phase and polarity */
uint32_t prescale; /*!< SPI prescale factor */
}spi_parameter_struct;
/* SPI mode definitions */
#define SPI_MASTER (SPI_CTL0_MSTMOD | SPI_CTL0_SWNSS) /*!< SPI as master */
#define SPI_SLAVE ((uint32_t)0x00000000U) /*!< SPI as slave */
/* SPI bidirectional transfer direction */
#define SPI_BIDIRECTIONAL_TRANSMIT SPI_CTL0_BDOEN /*!< SPI work in transmit-only mode */
#define SPI_BIDIRECTIONAL_RECEIVE (~SPI_CTL0_BDOEN) /*!< SPI work in receive-only mode */
/* SPI transmit type */
#define SPI_TRANSMODE_FULLDUPLEX ((uint32_t)0x00000000U) /*!< SPI receive and send data at fullduplex communication */
#define SPI_TRANSMODE_RECEIVEONLY SPI_CTL0_RO /*!< SPI only receive data */
#define SPI_TRANSMODE_BDRECEIVE SPI_CTL0_BDEN /*!< bidirectional receive data */
#define SPI_TRANSMODE_BDTRANSMIT (SPI_CTL0_BDEN | SPI_CTL0_BDOEN) /*!< bidirectional transmit data*/
/* SPI frame size */
#define SPI_FRAMESIZE_16BIT SPI_CTL0_FF16 /*!< SPI frame size is 16 bits */
#define SPI_FRAMESIZE_8BIT ((uint32_t)0x00000000U) /*!< SPI frame size is 8 bits */
/* SPI NSS control mode */
#define SPI_NSS_SOFT SPI_CTL0_SWNSSEN /*!< SPI NSS control by software */
#define SPI_NSS_HARD ((uint32_t)0x00000000U) /*!< SPI NSS control by hardware */
/* SPI transmit way */
#define SPI_ENDIAN_MSB ((uint32_t)0x00000000U) /*!< SPI transmit way is big endian: transmit MSB first */
#define SPI_ENDIAN_LSB SPI_CTL0_LF /*!< SPI transmit way is little endian: transmit LSB first */
/* SPI clock phase and polarity */
#define SPI_CK_PL_LOW_PH_1EDGE ((uint32_t)0x00000000U) /*!< SPI clock polarity is low level and phase is first edge */
#define SPI_CK_PL_HIGH_PH_1EDGE SPI_CTL0_CKPL /*!< SPI clock polarity is high level and phase is first edge */
#define SPI_CK_PL_LOW_PH_2EDGE SPI_CTL0_CKPH /*!< SPI clock polarity is low level and phase is second edge */
#define SPI_CK_PL_HIGH_PH_2EDGE (SPI_CTL0_CKPL | SPI_CTL0_CKPH) /*!< SPI clock polarity is high level and phase is second edge */
/* SPI clock prescale factor */
#define CTL0_PSC(regval) (BITS(3,5) & ((uint32_t)(regval) << 3))
#define SPI_PSC_2 CTL0_PSC(0) /*!< SPI clock prescale factor is 2 */
#define SPI_PSC_4 CTL0_PSC(1) /*!< SPI clock prescale factor is 4 */
#define SPI_PSC_8 CTL0_PSC(2) /*!< SPI clock prescale factor is 8 */
#define SPI_PSC_16 CTL0_PSC(3) /*!< SPI clock prescale factor is 16 */
#define SPI_PSC_32 CTL0_PSC(4) /*!< SPI clock prescale factor is 32 */
#define SPI_PSC_64 CTL0_PSC(5) /*!< SPI clock prescale factor is 64 */
#define SPI_PSC_128 CTL0_PSC(6) /*!< SPI clock prescale factor is 128 */
#define SPI_PSC_256 CTL0_PSC(7) /*!< SPI clock prescale factor is 256 */
/* I2S audio sample rate */
#define I2S_AUDIOSAMPLE_8K ((uint32_t)8000U) /*!< I2S audio sample rate is 8KHz */
#define I2S_AUDIOSAMPLE_11K ((uint32_t)11025U) /*!< I2S audio sample rate is 11KHz */
#define I2S_AUDIOSAMPLE_16K ((uint32_t)16000U) /*!< I2S audio sample rate is 16KHz */
#define I2S_AUDIOSAMPLE_22K ((uint32_t)22050U) /*!< I2S audio sample rate is 22KHz */
#define I2S_AUDIOSAMPLE_32K ((uint32_t)32000U) /*!< I2S audio sample rate is 32KHz */
#define I2S_AUDIOSAMPLE_44K ((uint32_t)44100U) /*!< I2S audio sample rate is 44KHz */
#define I2S_AUDIOSAMPLE_48K ((uint32_t)48000U) /*!< I2S audio sample rate is 48KHz */
#define I2S_AUDIOSAMPLE_96K ((uint32_t)96000U) /*!< I2S audio sample rate is 96KHz */
#define I2S_AUDIOSAMPLE_192K ((uint32_t)192000U) /*!< I2S audio sample rate is 192KHz */
/* I2S frame format */
#define I2SCTL_DTLEN(regval) (BITS(1,2) & ((uint32_t)(regval) << 1))
#define I2S_FRAMEFORMAT_DT16B_CH16B I2SCTL_DTLEN(0) /*!< I2S data length is 16 bit and channel length is 16 bit */
#define I2S_FRAMEFORMAT_DT16B_CH32B (I2SCTL_DTLEN(0) | SPI_I2SCTL_CHLEN) /*!< I2S data length is 16 bit and channel length is 32 bit */
#define I2S_FRAMEFORMAT_DT24B_CH32B (I2SCTL_DTLEN(1) | SPI_I2SCTL_CHLEN) /*!< I2S data length is 24 bit and channel length is 32 bit */
#define I2S_FRAMEFORMAT_DT32B_CH32B (I2SCTL_DTLEN(2) | SPI_I2SCTL_CHLEN) /*!< I2S data length is 32 bit and channel length is 32 bit */
/* I2S master clock output */
#define I2S_MCKOUT_DISABLE ((uint32_t)0x00000000U) /*!< I2S master clock output disable */
#define I2S_MCKOUT_ENABLE SPI_I2SPSC_MCKOEN /*!< I2S master clock output enable */
/* I2S operation mode */
#define I2SCTL_I2SOPMOD(regval) (BITS(8,9) & ((uint32_t)(regval) << 8))
#define I2S_MODE_SLAVETX I2SCTL_I2SOPMOD(0) /*!< I2S slave transmit mode */
#define I2S_MODE_SLAVERX I2SCTL_I2SOPMOD(1) /*!< I2S slave receive mode */
#define I2S_MODE_MASTERTX I2SCTL_I2SOPMOD(2) /*!< I2S master transmit mode */
#define I2S_MODE_MASTERRX I2SCTL_I2SOPMOD(3) /*!< I2S master receive mode */
/* I2S standard */
#define I2SCTL_I2SSTD(regval) (BITS(4,5) & ((uint32_t)(regval) << 4))
#define I2S_STD_PHILLIPS I2SCTL_I2SSTD(0) /*!< I2S phillips standard */
#define I2S_STD_MSB I2SCTL_I2SSTD(1) /*!< I2S MSB standard */
#define I2S_STD_LSB I2SCTL_I2SSTD(2) /*!< I2S LSB standard */
#define I2S_STD_PCMSHORT I2SCTL_I2SSTD(3) /*!< I2S PCM short standard */
#define I2S_STD_PCMLONG (I2SCTL_I2SSTD(3) | SPI_I2SCTL_PCMSMOD) /*!< I2S PCM long standard */
/* I2S clock polarity */
#define I2S_CKPL_LOW ((uint32_t)0x00000000U) /*!< I2S clock polarity low level */
#define I2S_CKPL_HIGH SPI_I2SCTL_CKPL /*!< I2S clock polarity high level */
/* SPI DMA constants definitions */
#define SPI_DMA_TRANSMIT ((uint8_t)0x00U) /*!< SPI transmit data use DMA */
#define SPI_DMA_RECEIVE ((uint8_t)0x01U) /*!< SPI receive data use DMA */
/* SPI CRC constants definitions */
#define SPI_CRC_TX ((uint8_t)0x00U) /*!< SPI transmit CRC value */
#define SPI_CRC_RX ((uint8_t)0x01U) /*!< SPI receive CRC value */
/* SPI/I2S interrupt enable/disable constants definitions */
#define SPI_I2S_INT_TBE ((uint8_t)0x00U) /*!< transmit buffer empty interrupt */
#define SPI_I2S_INT_RBNE ((uint8_t)0x01U) /*!< receive buffer not empty interrupt */
#define SPI_I2S_INT_ERR ((uint8_t)0x02U) /*!< error interrupt */
/* SPI/I2S interrupt flag constants definitions */
#define SPI_I2S_INT_FLAG_TBE ((uint8_t)0x00U) /*!< transmit buffer empty interrupt flag */
#define SPI_I2S_INT_FLAG_RBNE ((uint8_t)0x01U) /*!< receive buffer not empty interrupt flag */
#define SPI_I2S_INT_FLAG_RXORERR ((uint8_t)0x02U) /*!< overrun interrupt flag */
#define SPI_INT_FLAG_CONFERR ((uint8_t)0x03U) /*!< config error interrupt flag */
#define SPI_INT_FLAG_CRCERR ((uint8_t)0x04U) /*!< CRC error interrupt flag */
#define I2S_INT_FLAG_TXURERR ((uint8_t)0x05U) /*!< underrun error interrupt flag */
#define SPI_I2S_INT_FLAG_FERR ((uint8_t)0x06U) /*!< format error interrupt flag */
/* SPI/I2S flag definitions */
#define SPI_FLAG_RBNE SPI_STAT_RBNE /*!< receive buffer not empty flag */
#define SPI_FLAG_TBE SPI_STAT_TBE /*!< transmit buffer empty flag */
#define SPI_FLAG_CRCERR SPI_STAT_CRCERR /*!< CRC error flag */
#define SPI_FLAG_CONFERR SPI_STAT_CONFERR /*!< mode config error flag */
#define SPI_FLAG_RXORERR SPI_STAT_RXORERR /*!< receive overrun error flag */
#define SPI_FLAG_TRANS SPI_STAT_TRANS /*!< transmit on-going flag */
#define SPI_FLAG_FERR SPI_STAT_FERR /*!< format error interrupt flag */
#define I2S_FLAG_RBNE SPI_STAT_RBNE /*!< receive buffer not empty flag */
#define I2S_FLAG_TBE SPI_STAT_TBE /*!< transmit buffer empty flag */
#define I2S_FLAG_CH SPI_STAT_I2SCH /*!< channel side flag */
#define I2S_FLAG_TXURERR SPI_STAT_TXURERR /*!< underrun error flag */
#define I2S_FLAG_RXORERR SPI_STAT_RXORERR /*!< overrun error flag */
#define I2S_FLAG_TRANS SPI_STAT_TRANS /*!< transmit on-going flag */
#define I2S_FLAG_FERR SPI_STAT_FERR /*!< format error interrupt flag */
#endif /* GD32VF103_SPI_H */

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/*!
\file gd32vf103_timer.h
\brief definitions for the TIMER
\version 2019-06-05, V1.0.1, firmware for GD32VF103
*/
/*
Copyright (c) 2019, GigaDevice Semiconductor Inc.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
3. Neither the name of the copyright holder nor the names of its contributors
may be used to endorse or promote products derived from this software without
specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
OF SUCH DAMAGE.
*/
#ifndef GD32VF103_TIMER_H
#define GD32VF103_TIMER_H
#include "gd32vf103.h"
/* TIMERx(x=0..13) definitions */
#define TIMER0 (TIMER_BASE + 0x00012C00U)
#define TIMER1 (TIMER_BASE + 0x00000000U)
#define TIMER2 (TIMER_BASE + 0x00000400U)
#define TIMER3 (TIMER_BASE + 0x00000800U)
#define TIMER4 (TIMER_BASE + 0x00000C00U)
#define TIMER5 (TIMER_BASE + 0x00001000U)
#define TIMER6 (TIMER_BASE + 0x00001400U)
/* registers definitions */
#define TIMER_CTL0(timerx) REG32((timerx) + 0x00U) /*!< TIMER control register 0 */
#define TIMER_CTL1(timerx) REG32((timerx) + 0x04U) /*!< TIMER control register 1 */
#define TIMER_SMCFG(timerx) REG32((timerx) + 0x08U) /*!< TIMER slave mode configuration register */
#define TIMER_DMAINTEN(timerx) REG32((timerx) + 0x0CU) /*!< TIMER DMA and interrupt enable register */
#define TIMER_INTF(timerx) REG32((timerx) + 0x10U) /*!< TIMER interrupt flag register */
#define TIMER_SWEVG(timerx) REG32((timerx) + 0x14U) /*!< TIMER software event generation register */
#define TIMER_CHCTL0(timerx) REG32((timerx) + 0x18U) /*!< TIMER channel control register 0 */
#define TIMER_CHCTL1(timerx) REG32((timerx) + 0x1CU) /*!< TIMER channel control register 1 */
#define TIMER_CHCTL2(timerx) REG32((timerx) + 0x20U) /*!< TIMER channel control register 2 */
#define TIMER_CNT(timerx) REG32((timerx) + 0x24U) /*!< TIMER counter register */
#define TIMER_PSC(timerx) REG32((timerx) + 0x28U) /*!< TIMER prescaler register */
#define TIMER_CAR(timerx) REG32((timerx) + 0x2CU) /*!< TIMER counter auto reload register */
#define TIMER_CREP(timerx) REG32((timerx) + 0x30U) /*!< TIMER counter repetition register */
#define TIMER_CH0CV(timerx) REG32((timerx) + 0x34U) /*!< TIMER channel 0 capture/compare value register */
#define TIMER_CH1CV(timerx) REG32((timerx) + 0x38U) /*!< TIMER channel 1 capture/compare value register */
#define TIMER_CH2CV(timerx) REG32((timerx) + 0x3CU) /*!< TIMER channel 2 capture/compare value register */
#define TIMER_CH3CV(timerx) REG32((timerx) + 0x40U) /*!< TIMER channel 3 capture/compare value register */
#define TIMER_CCHP(timerx) REG32((timerx) + 0x44U) /*!< TIMER channel complementary protection register */
#define TIMER_DMACFG(timerx) REG32((timerx) + 0x48U) /*!< TIMER DMA configuration register */
#define TIMER_DMATB(timerx) REG32((timerx) + 0x4CU) /*!< TIMER DMA transfer buffer register */
/* bits definitions */
/* TIMER_CTL0 */
#define TIMER_CTL0_CEN BIT(0) /*!< TIMER counter enable */
#define TIMER_CTL0_UPDIS BIT(1) /*!< update disable */
#define TIMER_CTL0_UPS BIT(2) /*!< update source */
#define TIMER_CTL0_SPM BIT(3) /*!< single pulse mode */
#define TIMER_CTL0_DIR BIT(4) /*!< timer counter direction */
#define TIMER_CTL0_CAM BITS(5,6) /*!< center-aligned mode selection */
#define TIMER_CTL0_ARSE BIT(7) /*!< auto-reload shadow enable */
#define TIMER_CTL0_CKDIV BITS(8,9) /*!< clock division */
/* TIMER_CTL1 */
#define TIMER_CTL1_CCSE BIT(0) /*!< commutation control shadow enable */
#define TIMER_CTL1_CCUC BIT(2) /*!< commutation control shadow register update control */
#define TIMER_CTL1_DMAS BIT(3) /*!< DMA request source selection */
#define TIMER_CTL1_MMC BITS(4,6) /*!< master mode control */
#define TIMER_CTL1_TI0S BIT(7) /*!< channel 0 trigger input selection(hall mode selection) */
#define TIMER_CTL1_ISO0 BIT(8) /*!< idle state of channel 0 output */
#define TIMER_CTL1_ISO0N BIT(9) /*!< idle state of channel 0 complementary output */
#define TIMER_CTL1_ISO1 BIT(10) /*!< idle state of channel 1 output */
#define TIMER_CTL1_ISO1N BIT(11) /*!< idle state of channel 1 complementary output */
#define TIMER_CTL1_ISO2 BIT(12) /*!< idle state of channel 2 output */
#define TIMER_CTL1_ISO2N BIT(13) /*!< idle state of channel 2 complementary output */
#define TIMER_CTL1_ISO3 BIT(14) /*!< idle state of channel 3 output */
/* TIMER_SMCFG */
#define TIMER_SMCFG_SMC BITS(0,2) /*!< slave mode control */
#define TIMER_SMCFG_TRGS BITS(4,6) /*!< trigger selection */
#define TIMER_SMCFG_MSM BIT(7) /*!< master-slave mode */
#define TIMER_SMCFG_ETFC BITS(8,11) /*!< external trigger filter control */
#define TIMER_SMCFG_ETPSC BITS(12,13) /*!< external trigger prescaler */
#define TIMER_SMCFG_SMC1 BIT(14) /*!< part of SMC for enable external clock mode 1 */
#define TIMER_SMCFG_ETP BIT(15) /*!< external trigger polarity */
/* TIMER_DMAINTEN */
#define TIMER_DMAINTEN_UPIE BIT(0) /*!< update interrupt enable */
#define TIMER_DMAINTEN_CH0IE BIT(1) /*!< channel 0 capture/compare interrupt enable */
#define TIMER_DMAINTEN_CH1IE BIT(2) /*!< channel 1 capture/compare interrupt enable */
#define TIMER_DMAINTEN_CH2IE BIT(3) /*!< channel 2 capture/compare interrupt enable */
#define TIMER_DMAINTEN_CH3IE BIT(4) /*!< channel 3 capture/compare interrupt enable */
#define TIMER_DMAINTEN_CMTIE BIT(5) /*!< commutation interrupt request enable */
#define TIMER_DMAINTEN_TRGIE BIT(6) /*!< trigger interrupt enable */
#define TIMER_DMAINTEN_BRKIE BIT(7) /*!< break interrupt enable */
#define TIMER_DMAINTEN_UPDEN BIT(8) /*!< update DMA request enable */
#define TIMER_DMAINTEN_CH0DEN BIT(9) /*!< channel 0 capture/compare DMA request enable */
#define TIMER_DMAINTEN_CH1DEN BIT(10) /*!< channel 1 capture/compare DMA request enable */
#define TIMER_DMAINTEN_CH2DEN BIT(11) /*!< channel 2 capture/compare DMA request enable */
#define TIMER_DMAINTEN_CH3DEN BIT(12) /*!< channel 3 capture/compare DMA request enable */
#define TIMER_DMAINTEN_CMTDEN BIT(13) /*!< commutation DMA request enable */
#define TIMER_DMAINTEN_TRGDEN BIT(14) /*!< trigger DMA request enable */
/* TIMER_INTF */
#define TIMER_INTF_UPIF BIT(0) /*!< update interrupt flag */
#define TIMER_INTF_CH0IF BIT(1) /*!< channel 0 capture/compare interrupt flag */
#define TIMER_INTF_CH1IF BIT(2) /*!< channel 1 capture/compare interrupt flag */
#define TIMER_INTF_CH2IF BIT(3) /*!< channel 2 capture/compare interrupt flag */
#define TIMER_INTF_CH3IF BIT(4) /*!< channel 3 capture/compare interrupt flag */
#define TIMER_INTF_CMTIF BIT(5) /*!< channel commutation interrupt flag */
#define TIMER_INTF_TRGIF BIT(6) /*!< trigger interrupt flag */
#define TIMER_INTF_BRKIF BIT(7) /*!< break interrupt flag */
#define TIMER_INTF_CH0OF BIT(9) /*!< channel 0 over capture flag */
#define TIMER_INTF_CH1OF BIT(10) /*!< channel 1 over capture flag */
#define TIMER_INTF_CH2OF BIT(11) /*!< channel 2 over capture flag */
#define TIMER_INTF_CH3OF BIT(12) /*!< channel 3 over capture flag */
/* TIMER_SWEVG */
#define TIMER_SWEVG_UPG BIT(0) /*!< update event generate */
#define TIMER_SWEVG_CH0G BIT(1) /*!< channel 0 capture or compare event generation */
#define TIMER_SWEVG_CH1G BIT(2) /*!< channel 1 capture or compare event generation */
#define TIMER_SWEVG_CH2G BIT(3) /*!< channel 2 capture or compare event generation */
#define TIMER_SWEVG_CH3G BIT(4) /*!< channel 3 capture or compare event generation */
#define TIMER_SWEVG_CMTG BIT(5) /*!< channel commutation event generation */
#define TIMER_SWEVG_TRGG BIT(6) /*!< trigger event generation */
#define TIMER_SWEVG_BRKG BIT(7) /*!< break event generation */
/* TIMER_CHCTL0 */
/* output compare mode */
#define TIMER_CHCTL0_CH0MS BITS(0,1) /*!< channel 0 mode selection */
#define TIMER_CHCTL0_CH0COMFEN BIT(2) /*!< channel 0 output compare fast enable */
#define TIMER_CHCTL0_CH0COMSEN BIT(3) /*!< channel 0 output compare shadow enable */
#define TIMER_CHCTL0_CH0COMCTL BITS(4,6) /*!< channel 0 output compare control */
#define TIMER_CHCTL0_CH0COMCEN BIT(7) /*!< channel 0 output compare clear enable */
#define TIMER_CHCTL0_CH1MS BITS(8,9) /*!< channel 1 mode selection */
#define TIMER_CHCTL0_CH1COMFEN BIT(10) /*!< channel 1 output compare fast enable */
#define TIMER_CHCTL0_CH1COMSEN BIT(11) /*!< channel 1 output compare shadow enable */
#define TIMER_CHCTL0_CH1COMCTL BITS(12,14) /*!< channel 1 output compare control */
#define TIMER_CHCTL0_CH1COMCEN BIT(15) /*!< channel 1 output compare clear enable */
/* input capture mode */
#define TIMER_CHCTL0_CH0CAPPSC BITS(2,3) /*!< channel 0 input capture prescaler */
#define TIMER_CHCTL0_CH0CAPFLT BITS(4,7) /*!< channel 0 input capture filter control */
#define TIMER_CHCTL0_CH1CAPPSC BITS(10,11) /*!< channel 1 input capture prescaler */
#define TIMER_CHCTL0_CH1CAPFLT BITS(12,15) /*!< channel 1 input capture filter control */
/* TIMER_CHCTL1 */
/* output compare mode */
#define TIMER_CHCTL1_CH2MS BITS(0,1) /*!< channel 2 mode selection */
#define TIMER_CHCTL1_CH2COMFEN BIT(2) /*!< channel 2 output compare fast enable */
#define TIMER_CHCTL1_CH2COMSEN BIT(3) /*!< channel 2 output compare shadow enable */
#define TIMER_CHCTL1_CH2COMCTL BITS(4,6) /*!< channel 2 output compare control */
#define TIMER_CHCTL1_CH2COMCEN BIT(7) /*!< channel 2 output compare clear enable */
#define TIMER_CHCTL1_CH3MS BITS(8,9) /*!< channel 3 mode selection */
#define TIMER_CHCTL1_CH3COMFEN BIT(10) /*!< channel 3 output compare fast enable */
#define TIMER_CHCTL1_CH3COMSEN BIT(11) /*!< channel 3 output compare shadow enable */
#define TIMER_CHCTL1_CH3COMCTL BITS(12,14) /*!< channel 3 output compare control */
#define TIMER_CHCTL1_CH3COMCEN BIT(15) /*!< channel 3 output compare clear enable */
/* input capture mode */
#define TIMER_CHCTL1_CH2CAPPSC BITS(2,3) /*!< channel 2 input capture prescaler */
#define TIMER_CHCTL1_CH2CAPFLT BITS(4,7) /*!< channel 2 input capture filter control */
#define TIMER_CHCTL1_CH3CAPPSC BITS(10,11) /*!< channel 3 input capture prescaler */
#define TIMER_CHCTL1_CH3CAPFLT BITS(12,15) /*!< channel 3 input capture filter control */
/* TIMER_CHCTL2 */
#define TIMER_CHCTL2_CH0EN BIT(0) /*!< channel 0 capture/compare function enable */
#define TIMER_CHCTL2_CH0P BIT(1) /*!< channel 0 capture/compare function polarity */
#define TIMER_CHCTL2_CH0NEN BIT(2) /*!< channel 0 complementary output enable */
#define TIMER_CHCTL2_CH0NP BIT(3) /*!< channel 0 complementary output polarity */
#define TIMER_CHCTL2_CH1EN BIT(4) /*!< channel 1 capture/compare function enable */
#define TIMER_CHCTL2_CH1P BIT(5) /*!< channel 1 capture/compare function polarity */
#define TIMER_CHCTL2_CH1NEN BIT(6) /*!< channel 1 complementary output enable */
#define TIMER_CHCTL2_CH1NP BIT(7) /*!< channel 1 complementary output polarity */
#define TIMER_CHCTL2_CH2EN BIT(8) /*!< channel 2 capture/compare function enable */
#define TIMER_CHCTL2_CH2P BIT(9) /*!< channel 2 capture/compare function polarity */
#define TIMER_CHCTL2_CH2NEN BIT(10) /*!< channel 2 complementary output enable */
#define TIMER_CHCTL2_CH2NP BIT(11) /*!< channel 2 complementary output polarity */
#define TIMER_CHCTL2_CH3EN BIT(12) /*!< channel 3 capture/compare function enable */
#define TIMER_CHCTL2_CH3P BIT(13) /*!< channel 3 capture/compare function polarity */
/* TIMER_CNT */
#define TIMER_CNT_CNT BITS(0,15) /*!< 16 bit timer counter */
/* TIMER_PSC */
#define TIMER_PSC_PSC BITS(0,15) /*!< prescaler value of the counter clock */
/* TIMER_CAR */
#define TIMER_CAR_CARL BITS(0,15) /*!< 16 bit counter auto reload value */
/* TIMER_CREP */
#define TIMER_CREP_CREP BITS(0,7) /*!< counter repetition value */
/* TIMER_CH0CV */
#define TIMER_CH0CV_CH0VAL BITS(0,15) /*!< 16 bit capture/compare value of channel 0 */
/* TIMER_CH1CV */
#define TIMER_CH1CV_CH1VAL BITS(0,15) /*!< 16 bit capture/compare value of channel 1 */
/* TIMER_CH2CV */
#define TIMER_CH2CV_CH2VAL BITS(0,15) /*!< 16 bit capture/compare value of channel 2 */
/* TIMER_CH3CV */
#define TIMER_CH3CV_CH3VAL BITS(0,15) /*!< 16 bit capture/compare value of channel 3 */
/* TIMER_CCHP */
#define TIMER_CCHP_DTCFG BITS(0,7) /*!< dead time configure */
#define TIMER_CCHP_PROT BITS(8,9) /*!< complementary register protect control */
#define TIMER_CCHP_IOS BIT(10) /*!< idle mode off-state configure */
#define TIMER_CCHP_ROS BIT(11) /*!< run mode off-state configure */
#define TIMER_CCHP_BRKEN BIT(12) /*!< break enable */
#define TIMER_CCHP_BRKP BIT(13) /*!< break polarity */
#define TIMER_CCHP_OAEN BIT(14) /*!< output automatic enable */
#define TIMER_CCHP_POEN BIT(15) /*!< primary output enable */
/* TIMER_DMACFG */
#define TIMER_DMACFG_DMATA BITS(0,4) /*!< DMA transfer access start address */
#define TIMER_DMACFG_DMATC BITS(8,12) /*!< DMA transfer count */
/* TIMER_DMATB */
#define TIMER_DMATB_DMATB BITS(0,15) /*!< DMA transfer buffer address */
/* constants definitions */
/* TIMER init parameter struct definitions */
typedef struct
{
uint16_t prescaler; /*!< prescaler value */
uint16_t alignedmode; /*!< aligned mode */
uint16_t counterdirection; /*!< counter direction */
uint32_t period; /*!< period value */
uint16_t clockdivision; /*!< clock division value */
uint8_t repetitioncounter; /*!< the counter repetition value */
}timer_parameter_struct;
/* break parameter struct definitions */
typedef struct
{
uint16_t runoffstate; /*!< run mode off-state */
uint16_t ideloffstate; /*!< idle mode off-state */
uint16_t deadtime; /*!< dead time */
uint16_t breakpolarity; /*!< break polarity */
uint16_t outputautostate; /*!< output automatic enable */
uint16_t protectmode; /*!< complementary register protect control */
uint16_t breakstate; /*!< break enable */
}timer_break_parameter_struct;
/* channel output parameter struct definitions */
typedef struct
{
uint16_t outputstate; /*!< channel output state */
uint16_t outputnstate; /*!< channel complementary output state */
uint16_t ocpolarity; /*!< channel output polarity */
uint16_t ocnpolarity; /*!< channel complementary output polarity */
uint16_t ocidlestate; /*!< idle state of channel output */
uint16_t ocnidlestate; /*!< idle state of channel complementary output */
}timer_oc_parameter_struct;
/* channel input parameter struct definitions */
typedef struct
{
uint16_t icpolarity; /*!< channel input polarity */
uint16_t icselection; /*!< channel input mode selection */
uint16_t icprescaler; /*!< channel input capture prescaler */
uint16_t icfilter; /*!< channel input capture filter control */
}timer_ic_parameter_struct;
/* TIMER interrupt enable or disable */
#define TIMER_INT_UP TIMER_DMAINTEN_UPIE /*!< update interrupt */
#define TIMER_INT_CH0 TIMER_DMAINTEN_CH0IE /*!< channel 0 interrupt */
#define TIMER_INT_CH1 TIMER_DMAINTEN_CH1IE /*!< channel 1 interrupt */
#define TIMER_INT_CH2 TIMER_DMAINTEN_CH2IE /*!< channel 2 interrupt */
#define TIMER_INT_CH3 TIMER_DMAINTEN_CH3IE /*!< channel 3 interrupt */
#define TIMER_INT_CMT TIMER_DMAINTEN_CMTIE /*!< channel commutation interrupt flag */
#define TIMER_INT_TRG TIMER_DMAINTEN_TRGIE /*!< trigger interrupt */
#define TIMER_INT_BRK TIMER_DMAINTEN_BRKIE /*!< break interrupt */
/* TIMER interrupt flag */
#define TIMER_INT_FLAG_UP TIMER_INT_UP /*!< update interrupt */
#define TIMER_INT_FLAG_CH0 TIMER_INT_CH0 /*!< channel 0 interrupt */
#define TIMER_INT_FLAG_CH1 TIMER_INT_CH1 /*!< channel 1 interrupt */
#define TIMER_INT_FLAG_CH2 TIMER_INT_CH2 /*!< channel 2 interrupt */
#define TIMER_INT_FLAG_CH3 TIMER_INT_CH3 /*!< channel 3 interrupt */
#define TIMER_INT_FLAG_CMT TIMER_INT_CMT /*!< channel commutation interrupt flag */
#define TIMER_INT_FLAG_TRG TIMER_INT_TRG /*!< trigger interrupt */
#define TIMER_INT_FLAG_BRK TIMER_INT_BRK
/* TIMER flag */
#define TIMER_FLAG_UP TIMER_INTF_UPIF /*!< update flag */
#define TIMER_FLAG_CH0 TIMER_INTF_CH0IF /*!< channel 0 flag */
#define TIMER_FLAG_CH1 TIMER_INTF_CH1IF /*!< channel 1 flag */
#define TIMER_FLAG_CH2 TIMER_INTF_CH2IF /*!< channel 2 flag */
#define TIMER_FLAG_CH3 TIMER_INTF_CH3IF /*!< channel 3 flag */
#define TIMER_FLAG_CMT TIMER_INTF_CMTIF /*!< channel control update flag */
#define TIMER_FLAG_TRG TIMER_INTF_TRGIF /*!< trigger flag */
#define TIMER_FLAG_BRK TIMER_INTF_BRKIF /*!< break flag */
#define TIMER_FLAG_CH0O TIMER_INTF_CH0OF /*!< channel 0 overcapture flag */
#define TIMER_FLAG_CH1O TIMER_INTF_CH1OF /*!< channel 1 overcapture flag */
#define TIMER_FLAG_CH2O TIMER_INTF_CH2OF /*!< channel 2 overcapture flag */
#define TIMER_FLAG_CH3O TIMER_INTF_CH3OF /*!< channel 3 overcapture flag */
/* TIMER DMA source enable */
#define TIMER_DMA_UPD ((uint16_t)TIMER_DMAINTEN_UPDEN) /*!< update DMA enable */
#define TIMER_DMA_CH0D ((uint16_t)TIMER_DMAINTEN_CH0DEN) /*!< channel 0 DMA enable */
#define TIMER_DMA_CH1D ((uint16_t)TIMER_DMAINTEN_CH1DEN) /*!< channel 1 DMA enable */
#define TIMER_DMA_CH2D ((uint16_t)TIMER_DMAINTEN_CH2DEN) /*!< channel 2 DMA enable */
#define TIMER_DMA_CH3D ((uint16_t)TIMER_DMAINTEN_CH3DEN) /*!< channel 3 DMA enable */
#define TIMER_DMA_CMTD ((uint16_t)TIMER_DMAINTEN_CMTDEN) /*!< commutation DMA request enable */
#define TIMER_DMA_TRGD ((uint16_t)TIMER_DMAINTEN_TRGDEN) /*!< trigger DMA enable */
/* channel DMA request source selection */
#define TIMER_DMAREQUEST_UPDATEEVENT TIMER_CTL1_DMAS /*!< DMA request of channel n is sent when update event occurs */
#define TIMER_DMAREQUEST_CHANNELEVENT ((uint32_t)0x00000000U) /*!< DMA request of channel n is sent when channel n event occurs */
/* DMA access base address */
#define DMACFG_DMATA(regval) (BITS(0, 4) & ((uint32_t)(regval) << 0U))
#define TIMER_DMACFG_DMATA_CTL0 DMACFG_DMATA(0) /*!< DMA transfer address is TIMER_CTL0 */
#define TIMER_DMACFG_DMATA_CTL1 DMACFG_DMATA(1) /*!< DMA transfer address is TIMER_CTL1 */
#define TIMER_DMACFG_DMATA_SMCFG DMACFG_DMATA(2) /*!< DMA transfer address is TIMER_SMCFG */
#define TIMER_DMACFG_DMATA_DMAINTEN DMACFG_DMATA(3) /*!< DMA transfer address is TIMER_DMAINTEN */
#define TIMER_DMACFG_DMATA_INTF DMACFG_DMATA(4) /*!< DMA transfer address is TIMER_INTF */
#define TIMER_DMACFG_DMATA_SWEVG DMACFG_DMATA(5) /*!< DMA transfer address is TIMER_SWEVG */
#define TIMER_DMACFG_DMATA_CHCTL0 DMACFG_DMATA(6) /*!< DMA transfer address is TIMER_CHCTL0 */
#define TIMER_DMACFG_DMATA_CHCTL1 DMACFG_DMATA(7) /*!< DMA transfer address is TIMER_CHCTL1 */
#define TIMER_DMACFG_DMATA_CHCTL2 DMACFG_DMATA(8) /*!< DMA transfer address is TIMER_CHCTL2 */
#define TIMER_DMACFG_DMATA_CNT DMACFG_DMATA(9) /*!< DMA transfer address is TIMER_CNT */
#define TIMER_DMACFG_DMATA_PSC DMACFG_DMATA(10) /*!< DMA transfer address is TIMER_PSC */
#define TIMER_DMACFG_DMATA_CAR DMACFG_DMATA(11) /*!< DMA transfer address is TIMER_CAR */
#define TIMER_DMACFG_DMATA_CREP DMACFG_DMATA(12) /*!< DMA transfer address is TIMER_CREP */
#define TIMER_DMACFG_DMATA_CH0CV DMACFG_DMATA(13) /*!< DMA transfer address is TIMER_CH0CV */
#define TIMER_DMACFG_DMATA_CH1CV DMACFG_DMATA(14) /*!< DMA transfer address is TIMER_CH1CV */
#define TIMER_DMACFG_DMATA_CH2CV DMACFG_DMATA(15) /*!< DMA transfer address is TIMER_CH2CV */
#define TIMER_DMACFG_DMATA_CH3CV DMACFG_DMATA(16) /*!< DMA transfer address is TIMER_CH3CV */
#define TIMER_DMACFG_DMATA_CCHP DMACFG_DMATA(17) /*!< DMA transfer address is TIMER_CCHP */
#define TIMER_DMACFG_DMATA_DMACFG DMACFG_DMATA(18) /*!< DMA transfer address is TIMER_DMACFG */
/* DMA access burst length */
#define DMACFG_DMATC(regval) (BITS(8, 12) & ((uint32_t)(regval) << 8U))
#define TIMER_DMACFG_DMATC_1TRANSFER DMACFG_DMATC(0) /*!< DMA transfer 1 time */
#define TIMER_DMACFG_DMATC_2TRANSFER DMACFG_DMATC(1) /*!< DMA transfer 2 times */
#define TIMER_DMACFG_DMATC_3TRANSFER DMACFG_DMATC(2) /*!< DMA transfer 3 times */
#define TIMER_DMACFG_DMATC_4TRANSFER DMACFG_DMATC(3) /*!< DMA transfer 4 times */
#define TIMER_DMACFG_DMATC_5TRANSFER DMACFG_DMATC(4) /*!< DMA transfer 5 times */
#define TIMER_DMACFG_DMATC_6TRANSFER DMACFG_DMATC(5) /*!< DMA transfer 6 times */
#define TIMER_DMACFG_DMATC_7TRANSFER DMACFG_DMATC(6) /*!< DMA transfer 7 times */
#define TIMER_DMACFG_DMATC_8TRANSFER DMACFG_DMATC(7) /*!< DMA transfer 8 times */
#define TIMER_DMACFG_DMATC_9TRANSFER DMACFG_DMATC(8) /*!< DMA transfer 9 times */
#define TIMER_DMACFG_DMATC_10TRANSFER DMACFG_DMATC(9) /*!< DMA transfer 10 times */
#define TIMER_DMACFG_DMATC_11TRANSFER DMACFG_DMATC(10) /*!< DMA transfer 11 times */
#define TIMER_DMACFG_DMATC_12TRANSFER DMACFG_DMATC(11) /*!< DMA transfer 12 times */
#define TIMER_DMACFG_DMATC_13TRANSFER DMACFG_DMATC(12) /*!< DMA transfer 13 times */
#define TIMER_DMACFG_DMATC_14TRANSFER DMACFG_DMATC(13) /*!< DMA transfer 14 times */
#define TIMER_DMACFG_DMATC_15TRANSFER DMACFG_DMATC(14) /*!< DMA transfer 15 times */
#define TIMER_DMACFG_DMATC_16TRANSFER DMACFG_DMATC(15) /*!< DMA transfer 16 times */
#define TIMER_DMACFG_DMATC_17TRANSFER DMACFG_DMATC(16) /*!< DMA transfer 17 times */
#define TIMER_DMACFG_DMATC_18TRANSFER DMACFG_DMATC(17) /*!< DMA transfer 18 times */
/* TIMER software event generation source */
#define TIMER_EVENT_SRC_UPG ((uint16_t)0x0001U) /*!< update event generation */
#define TIMER_EVENT_SRC_CH0G ((uint16_t)0x0002U) /*!< channel 0 capture or compare event generation */
#define TIMER_EVENT_SRC_CH1G ((uint16_t)0x0004U) /*!< channel 1 capture or compare event generation */
#define TIMER_EVENT_SRC_CH2G ((uint16_t)0x0008U) /*!< channel 2 capture or compare event generation */
#define TIMER_EVENT_SRC_CH3G ((uint16_t)0x0010U) /*!< channel 3 capture or compare event generation */
#define TIMER_EVENT_SRC_CMTG ((uint16_t)0x0020U) /*!< channel commutation event generation */
#define TIMER_EVENT_SRC_TRGG ((uint16_t)0x0040U) /*!< trigger event generation */
#define TIMER_EVENT_SRC_BRKG ((uint16_t)0x0080U) /*!< break event generation */
/* center-aligned mode selection */
#define CTL0_CAM(regval) ((uint16_t)(BITS(5, 6) & ((uint32_t)(regval) << 5U)))
#define TIMER_COUNTER_EDGE CTL0_CAM(0) /*!< edge-aligned mode */
#define TIMER_COUNTER_CENTER_DOWN CTL0_CAM(1) /*!< center-aligned and counting down assert mode */
#define TIMER_COUNTER_CENTER_UP CTL0_CAM(2) /*!< center-aligned and counting up assert mode */
#define TIMER_COUNTER_CENTER_BOTH CTL0_CAM(3) /*!< center-aligned and counting up/down assert mode */
/* TIMER prescaler reload mode */
#define TIMER_PSC_RELOAD_NOW TIMER_SWEVG_UPG /*!< the prescaler is loaded right now */
#define TIMER_PSC_RELOAD_UPDATE ((uint32_t)0x00000000U) /*!< the prescaler is loaded at the next update event */
/* count direction */
#define TIMER_COUNTER_UP ((uint16_t)0x0000U) /*!< counter up direction */
#define TIMER_COUNTER_DOWN ((uint16_t)TIMER_CTL0_DIR) /*!< counter down direction */
/* specify division ratio between TIMER clock and dead-time and sampling clock */
#define CTL0_CKDIV(regval) ((uint16_t)(BITS(8, 9) & ((uint32_t)(regval) << 8U)))
#define TIMER_CKDIV_DIV1 CTL0_CKDIV(0) /*!< clock division value is 1,fDTS=fTIMER_CK */
#define TIMER_CKDIV_DIV2 CTL0_CKDIV(1) /*!< clock division value is 2,fDTS= fTIMER_CK/2 */
#define TIMER_CKDIV_DIV4 CTL0_CKDIV(2) /*!< clock division value is 4, fDTS= fTIMER_CK/4 */
/* single pulse mode */
#define TIMER_SP_MODE_SINGLE TIMER_CTL0_SPM /*!< single pulse mode */
#define TIMER_SP_MODE_REPETITIVE ((uint32_t)0x00000000U) /*!< repetitive pulse mode */
/* update source */
#define TIMER_UPDATE_SRC_REGULAR TIMER_CTL0_UPS /*!< update generate only by counter overflow/underflow */
#define TIMER_UPDATE_SRC_GLOBAL ((uint32_t)0x00000000U) /*!< update generate by setting of UPG bit or the counter overflow/underflow,or the slave mode controller trigger */
/* run mode off-state configure */
#define TIMER_ROS_STATE_ENABLE ((uint16_t)TIMER_CCHP_ROS) /*!< when POEN bit is set, the channel output signals(CHx_O/CHx_ON) are enabled, with relationship to CHxEN/CHxNEN bits */
#define TIMER_ROS_STATE_DISABLE ((uint16_t)0x0000U) /*!< when POEN bit is set, the channel output signals(CHx_O/CHx_ON) are disabled */
/* idle mode off-state configure */
#define TIMER_IOS_STATE_ENABLE ((uint16_t)TIMER_CCHP_IOS) /*!< when POEN bit is reset, he channel output signals(CHx_O/CHx_ON) are enabled, with relationship to CHxEN/CHxNEN bits */
#define TIMER_IOS_STATE_DISABLE ((uint16_t)0x0000U) /*!< when POEN bit is reset, the channel output signals(CHx_O/CHx_ON) are disabled */
/* break input polarity */
#define TIMER_BREAK_POLARITY_LOW ((uint16_t)0x0000U) /*!< break input polarity is low */
#define TIMER_BREAK_POLARITY_HIGH ((uint16_t)TIMER_CCHP_BRKP) /*!< break input polarity is high */
/* output automatic enable */
#define TIMER_OUTAUTO_ENABLE ((uint16_t)TIMER_CCHP_OAEN) /*!< output automatic enable */
#define TIMER_OUTAUTO_DISABLE ((uint16_t)0x0000U) /*!< output automatic disable */
/* complementary register protect control */
#define CCHP_PROT(regval) ((uint16_t)(BITS(8, 9) & ((uint32_t)(regval) << 8U)))
#define TIMER_CCHP_PROT_OFF CCHP_PROT(0) /*!< protect disable */
#define TIMER_CCHP_PROT_0 CCHP_PROT(1) /*!< PROT mode 0 */
#define TIMER_CCHP_PROT_1 CCHP_PROT(2) /*!< PROT mode 1 */
#define TIMER_CCHP_PROT_2 CCHP_PROT(3) /*!< PROT mode 2 */
/* break input enable */
#define TIMER_BREAK_ENABLE ((uint16_t)TIMER_CCHP_BRKEN) /*!< break input enable */
#define TIMER_BREAK_DISABLE ((uint16_t)0x0000U) /*!< break input disable */
/* TIMER channel n(n=0,1,2,3) */
#define TIMER_CH_0 ((uint16_t)0x0000U) /*!< TIMER channel 0(TIMERx(x=0..4)) */
#define TIMER_CH_1 ((uint16_t)0x0001U) /*!< TIMER channel 1(TIMERx(x=0..4)) */
#define TIMER_CH_2 ((uint16_t)0x0002U) /*!< TIMER channel 2(TIMERx(x=0..4)) */
#define TIMER_CH_3 ((uint16_t)0x0003U) /*!< TIMER channel 3(TIMERx(x=0..4)) */
/* channel enable state */
#define TIMER_CCX_ENABLE ((uint16_t)0x0001U) /*!< channel enable */
#define TIMER_CCX_DISABLE ((uint16_t)0x0000U) /*!< channel disable */
/* channel complementary output enable state */
#define TIMER_CCXN_ENABLE ((uint16_t)0x0004U) /*!< channel complementary enable */
#define TIMER_CCXN_DISABLE ((uint16_t)0x0000U) /*!< channel complementary disable */
/* channel output polarity */
#define TIMER_OC_POLARITY_HIGH ((uint16_t)0x0000U) /*!< channel output polarity is high */
#define TIMER_OC_POLARITY_LOW ((uint16_t)0x0002U) /*!< channel output polarity is low */
/* channel complementary output polarity */
#define TIMER_OCN_POLARITY_HIGH ((uint16_t)0x0000U) /*!< channel complementary output polarity is high */
#define TIMER_OCN_POLARITY_LOW ((uint16_t)0x0008U) /*!< channel complementary output polarity is low */
/* idle state of channel output */
#define TIMER_OC_IDLE_STATE_HIGH ((uint16_t)0x0100) /*!< idle state of channel output is high */
#define TIMER_OC_IDLE_STATE_LOW ((uint16_t)0x0000) /*!< idle state of channel output is low */
/* idle state of channel complementary output */
#define TIMER_OCN_IDLE_STATE_HIGH ((uint16_t)0x0200U) /*!< idle state of channel complementary output is high */
#define TIMER_OCN_IDLE_STATE_LOW ((uint16_t)0x0000U) /*!< idle state of channel complementary output is low */
/* channel output compare mode */
#define TIMER_OC_MODE_TIMING ((uint16_t)0x0000U) /*!< timing mode */
#define TIMER_OC_MODE_ACTIVE ((uint16_t)0x0010U) /*!< active mode */
#define TIMER_OC_MODE_INACTIVE ((uint16_t)0x0020U) /*!< inactive mode */
#define TIMER_OC_MODE_TOGGLE ((uint16_t)0x0030U) /*!< toggle mode */
#define TIMER_OC_MODE_LOW ((uint16_t)0x0040U) /*!< force low mode */
#define TIMER_OC_MODE_HIGH ((uint16_t)0x0050U) /*!< force high mode */
#define TIMER_OC_MODE_PWM0 ((uint16_t)0x0060U) /*!< PWM0 mode */
#define TIMER_OC_MODE_PWM1 ((uint16_t)0x0070U) /*!< PWM1 mode */
/* channel output compare shadow enable */
#define TIMER_OC_SHADOW_ENABLE ((uint16_t)0x0008U) /*!< channel output shadow state enable */
#define TIMER_OC_SHADOW_DISABLE ((uint16_t)0x0000U) /*!< channel output shadow state disable */
/* channel output compare fast enable */
#define TIMER_OC_FAST_ENABLE ((uint16_t)0x0004) /*!< channel output fast function enable */
#define TIMER_OC_FAST_DISABLE ((uint16_t)0x0000) /*!< channel output fast function disable */
/* channel output compare clear enable */
#define TIMER_OC_CLEAR_ENABLE ((uint16_t)0x0080U) /*!< channel output clear function enable */
#define TIMER_OC_CLEAR_DISABLE ((uint16_t)0x0000U) /*!< channel output clear function disable */
/* channel control shadow register update control */
#define TIMER_UPDATECTL_CCU ((uint32_t)0x00000000U) /*!< the shadow registers update by when CMTG bit is set */
#define TIMER_UPDATECTL_CCUTRI TIMER_CTL1_CCUC /*!< the shadow registers update by when CMTG bit is set or an rising edge of TRGI occurs */
/* channel input capture polarity */
#define TIMER_IC_POLARITY_RISING ((uint16_t)0x0000U) /*!< input capture rising edge */
#define TIMER_IC_POLARITY_FALLING ((uint16_t)0x0002U) /*!< input capture falling edge */
#define TIMER_IC_POLARITY_BOTH_EDGE ((uint16_t)0x000AU) /*!< input capture both edge */
/* TIMER input capture selection */
#define TIMER_IC_SELECTION_DIRECTTI ((uint16_t)0x0001U) /*!< channel n is configured as input and icy is mapped on CIy */
#define TIMER_IC_SELECTION_INDIRECTTI ((uint16_t)0x0002U) /*!< channel n is configured as input and icy is mapped on opposite input */
#define TIMER_IC_SELECTION_ITS ((uint16_t)0x0003U) /*!< channel n is configured as input and icy is mapped on ITS */
/* channel input capture prescaler */
#define TIMER_IC_PSC_DIV1 ((uint16_t)0x0000U) /*!< no prescaler */
#define TIMER_IC_PSC_DIV2 ((uint16_t)0x0004U) /*!< divided by 2 */
#define TIMER_IC_PSC_DIV4 ((uint16_t)0x0008U) /*!< divided by 4 */
#define TIMER_IC_PSC_DIV8 ((uint16_t)0x000CU) /*!< divided by 8 */
/* trigger selection */
#define SMCFG_TRGSEL(regval) (BITS(4, 6) & ((uint32_t)(regval) << 4U))
#define TIMER_SMCFG_TRGSEL_ITI0 SMCFG_TRGSEL(0) /*!< internal trigger 0 */
#define TIMER_SMCFG_TRGSEL_ITI1 SMCFG_TRGSEL(1) /*!< internal trigger 1 */
#define TIMER_SMCFG_TRGSEL_ITI2 SMCFG_TRGSEL(2) /*!< internal trigger 2 */
#define TIMER_SMCFG_TRGSEL_ITI3 SMCFG_TRGSEL(3) /*!< internal trigger 3 */
#define TIMER_SMCFG_TRGSEL_CI0F_ED SMCFG_TRGSEL(4) /*!< TI0 Edge Detector */
#define TIMER_SMCFG_TRGSEL_CI0FE0 SMCFG_TRGSEL(5) /*!< filtered TIMER input 0 */
#define TIMER_SMCFG_TRGSEL_CI1FE1 SMCFG_TRGSEL(6) /*!< filtered TIMER input 1 */
#define TIMER_SMCFG_TRGSEL_ETIFP SMCFG_TRGSEL(7) /*!< filtered external trigger input */
/* master mode control */
#define CTL1_MMC(regval) (BITS(4, 6) & ((uint32_t)(regval) << 4U))
#define TIMER_TRI_OUT_SRC_RESET CTL1_MMC(0) /*!< the UPG bit as trigger output */
#define TIMER_TRI_OUT_SRC_ENABLE CTL1_MMC(1) /*!< the counter enable signal TIMER_CTL0_CEN as trigger output */
#define TIMER_TRI_OUT_SRC_UPDATE CTL1_MMC(2) /*!< update event as trigger output */
#define TIMER_TRI_OUT_SRC_CH0 CTL1_MMC(3) /*!< a capture or a compare match occurred in channel 0 as trigger output TRGO */
#define TIMER_TRI_OUT_SRC_O0CPRE CTL1_MMC(4) /*!< O0CPRE as trigger output */
#define TIMER_TRI_OUT_SRC_O1CPRE CTL1_MMC(5) /*!< O1CPRE as trigger output */
#define TIMER_TRI_OUT_SRC_O2CPRE CTL1_MMC(6) /*!< O2CPRE as trigger output */
#define TIMER_TRI_OUT_SRC_O3CPRE CTL1_MMC(7) /*!< O3CPRE as trigger output */
/* slave mode control */
#define SMCFG_SMC(regval) (BITS(0, 2) & ((uint32_t)(regval) << 0U))
#define TIMER_SLAVE_MODE_DISABLE SMCFG_SMC(0) /*!< slave mode disable */
#define TIMER_ENCODER_MODE0 SMCFG_SMC(1) /*!< encoder mode 0 */
#define TIMER_ENCODER_MODE1 SMCFG_SMC(2) /*!< encoder mode 1 */
#define TIMER_ENCODER_MODE2 SMCFG_SMC(3) /*!< encoder mode 2 */
#define TIMER_SLAVE_MODE_RESTART SMCFG_SMC(4) /*!< restart mode */
#define TIMER_SLAVE_MODE_PAUSE SMCFG_SMC(5) /*!< pause mode */
#define TIMER_SLAVE_MODE_EVENT SMCFG_SMC(6) /*!< event mode */
#define TIMER_SLAVE_MODE_EXTERNAL0 SMCFG_SMC(7) /*!< external clock mode 0 */
/* master slave mode selection */
#define TIMER_MASTER_SLAVE_MODE_ENABLE TIMER_SMCFG_MSM /*!< master slave mode enable */
#define TIMER_MASTER_SLAVE_MODE_DISABLE ((uint32_t)0x00000000U) /*!< master slave mode disable */
/* external trigger prescaler */
#define SMCFG_ETPSC(regval) (BITS(12, 13) & ((uint32_t)(regval) << 12U))
#define TIMER_EXT_TRI_PSC_OFF SMCFG_ETPSC(0) /*!< no divided */
#define TIMER_EXT_TRI_PSC_DIV2 SMCFG_ETPSC(1) /*!< divided by 2 */
#define TIMER_EXT_TRI_PSC_DIV4 SMCFG_ETPSC(2) /*!< divided by 4 */
#define TIMER_EXT_TRI_PSC_DIV8 SMCFG_ETPSC(3) /*!< divided by 8 */
/* external trigger polarity */
#define TIMER_ETP_FALLING TIMER_SMCFG_ETP /*!< active low or falling edge active */
#define TIMER_ETP_RISING ((uint32_t)0x00000000U) /*!< active high or rising edge active */
/* channel 0 trigger input selection */
#define TIMER_HALLINTERFACE_ENABLE TIMER_CTL1_TI0S /*!< TIMER hall sensor mode enable */
#define TIMER_HALLINTERFACE_DISABLE ((uint32_t)0x00000000U) /*!< TIMER hall sensor mode disable */
/* TIMERx(x=0..4) write CHxVAL register selection */
#define TIMER_CHVSEL_ENABLE ((uint16_t)TIMER_CFG_OUTSEL) /*!< write CHxVAL register selection enable */
#define TIMER_CHVSEL_DISABLE ((uint16_t)0x0000U) /*!< write CHxVAL register selection disable */
/* function declarations */
/* TIMER timebase */
/* deinit a timer */
void timer_deinit(uint32_t timer_periph);
/* initialize TIMER init parameter struct */
void timer_struct_para_init(timer_parameter_struct* initpara);
/* initialize TIMER counter */
void timer_init(uint32_t timer_periph, timer_parameter_struct* initpara);
/* enable a timer */
void timer_enable(uint32_t timer_periph);
/* disable a timer */
void timer_disable(uint32_t timer_periph);
/* enable the auto reload shadow function */
void timer_auto_reload_shadow_enable(uint32_t timer_periph);
/* disable the auto reload shadow function */
void timer_auto_reload_shadow_disable(uint32_t timer_periph);
/* enable the update event */
void timer_update_event_enable(uint32_t timer_periph);
/* disable the update event */
void timer_update_event_disable(uint32_t timer_periph);
/* set TIMER counter alignment mode */
void timer_counter_alignment(uint32_t timer_periph, uint16_t aligned);
/* set TIMER counter up direction */
void timer_counter_up_direction(uint32_t timer_periph);
/* set TIMER counter down direction */
void timer_counter_down_direction(uint32_t timer_periph);
/* configure TIMER prescaler */
void timer_prescaler_config(uint32_t timer_periph, uint16_t prescaler, uint32_t pscreload);
/* configure TIMER repetition register value */
void timer_repetition_value_config(uint32_t timer_periph, uint16_t repetition);
/* configure TIMER autoreload register value */
void timer_autoreload_value_config(uint32_t timer_periph, uint16_t autoreload);
/* configure TIMER counter register value */
void timer_counter_value_config(uint32_t timer_periph, uint16_t counter);
/* read TIMER counter value */
uint32_t timer_counter_read(uint32_t timer_periph);
/* read TIMER prescaler value */
uint16_t timer_prescaler_read(uint32_t timer_periph);
/* configure TIMER single pulse mode */
void timer_single_pulse_mode_config(uint32_t timer_periph, uint32_t spmode);
/* configure TIMER update source */
void timer_update_source_config(uint32_t timer_periph, uint32_t update);
/* TIMER DMA and event */
/* enable the TIMER DMA */
void timer_dma_enable(uint32_t timer_periph, uint16_t dma);
/* disable the TIMER DMA */
void timer_dma_disable(uint32_t timer_periph, uint16_t dma);
/* channel DMA request source selection */
void timer_channel_dma_request_source_select(uint32_t timer_periph, uint32_t dma_request);
/* configure the TIMER DMA transfer */
void timer_dma_transfer_config(uint32_t timer_periph, uint32_t dma_baseaddr, uint32_t dma_lenth);
/* software generate events */
void timer_event_software_generate(uint32_t timer_periph, uint16_t event);
/* TIMER channel complementary protection */
/* initialize TIMER break parameter struct */
void timer_break_struct_para_init(timer_break_parameter_struct* breakpara);
/* configure TIMER break function */
void timer_break_config(uint32_t timer_periph, timer_break_parameter_struct* breakpara);
/* enable TIMER break function */
void timer_break_enable(uint32_t timer_periph);
/* disable TIMER break function */
void timer_break_disable(uint32_t timer_periph);
/* enable TIMER output automatic function */
void timer_automatic_output_enable(uint32_t timer_periph);
/* disable TIMER output automatic function */
void timer_automatic_output_disable(uint32_t timer_periph);
/* enable or disable TIMER primary output function */
void timer_primary_output_config(uint32_t timer_periph, ControlStatus newvalue);
/* enable or disable channel capture/compare control shadow register */
void timer_channel_control_shadow_config(uint32_t timer_periph, ControlStatus newvalue);
/* configure TIMER channel control shadow register update control */
void timer_channel_control_shadow_update_config(uint32_t timer_periph, uint32_t ccuctl);
/* TIMER channel output */
/* initialize TIMER channel output parameter struct */
void timer_channel_output_struct_para_init(timer_oc_parameter_struct* ocpara);
/* configure TIMER channel output function */
void timer_channel_output_config(uint32_t timer_periph, uint16_t channel, timer_oc_parameter_struct* ocpara);
/* configure TIMER channel output compare mode */
void timer_channel_output_mode_config(uint32_t timer_periph, uint16_t channel, uint16_t ocmode);
/* configure TIMER channel output pulse value */
void timer_channel_output_pulse_value_config(uint32_t timer_periph, uint16_t channel, uint32_t pulse);
/* configure TIMER channel output shadow function */
void timer_channel_output_shadow_config(uint32_t timer_periph, uint16_t channel, uint16_t ocshadow);
/* configure TIMER channel output fast function */
void timer_channel_output_fast_config(uint32_t timer_periph, uint16_t channel, uint16_t ocfast);
/* configure TIMER channel output clear function */
void timer_channel_output_clear_config(uint32_t timer_periph, uint16_t channel, uint16_t occlear);
/* configure TIMER channel output polarity */
void timer_channel_output_polarity_config(uint32_t timer_periph, uint16_t channel, uint16_t ocpolarity);
/* configure TIMER channel complementary output polarity */
void timer_channel_complementary_output_polarity_config(uint32_t timer_periph, uint16_t channel, uint16_t ocnpolarity);
/* configure TIMER channel enable state */
void timer_channel_output_state_config(uint32_t timer_periph, uint16_t channel, uint32_t state);
/* configure TIMER channel complementary output enable state */
void timer_channel_complementary_output_state_config(uint32_t timer_periph, uint16_t channel, uint16_t ocnstate);
/* TIMER channel input */
/* initialize TIMER channel input parameter struct */
void timer_channel_input_struct_para_init(timer_ic_parameter_struct* icpara);
/* configure TIMER input capture parameter */
void timer_input_capture_config(uint32_t timer_periph, uint16_t channel, timer_ic_parameter_struct* icpara);
/* configure TIMER channel input capture prescaler value */
void timer_channel_input_capture_prescaler_config(uint32_t timer_periph, uint16_t channel, uint16_t prescaler);
/* read TIMER channel capture compare register value */
uint32_t timer_channel_capture_value_register_read(uint32_t timer_periph, uint16_t channel);
/* configure TIMER input pwm capture function */
void timer_input_pwm_capture_config(uint32_t timer_periph, uint16_t channel, timer_ic_parameter_struct* icpwm);
/* configure TIMER hall sensor mode */
void timer_hall_mode_config(uint32_t timer_periph, uint32_t hallmode);
/* TIMER master and slave mode */
/* select TIMER input trigger source */
void timer_input_trigger_source_select(uint32_t timer_periph, uint32_t intrigger);
/* select TIMER master mode output trigger source */
void timer_master_output_trigger_source_select(uint32_t timer_periph, uint32_t outrigger);
/* select TIMER slave mode */
void timer_slave_mode_select(uint32_t timer_periph, uint32_t slavemode);
/* configure TIMER master slave mode */
void timer_master_slave_mode_config(uint32_t timer_periph, uint32_t masterslave);
/* configure TIMER external trigger input */
void timer_external_trigger_config(uint32_t timer_periph, uint32_t extprescaler, uint32_t extpolarity, uint32_t extfilter);
/* configure TIMER quadrature decoder mode */
void timer_quadrature_decoder_mode_config(uint32_t timer_periph, uint32_t decomode, uint16_t ic0polarity, uint16_t ic1polarity);
/* configure TIMER internal clock mode */
void timer_internal_clock_config(uint32_t timer_periph);
/* configure TIMER the internal trigger as external clock input */
void timer_internal_trigger_as_external_clock_config(uint32_t timer_periph, uint32_t intrigger);
/* configure TIMER the external trigger as external clock input */
void timer_external_trigger_as_external_clock_config(uint32_t timer_periph, uint32_t extrigger, uint16_t extpolarity, uint32_t extfilter);
/* configure TIMER the external clock mode 0 */
void timer_external_clock_mode0_config(uint32_t timer_periph, uint32_t extprescaler, uint32_t extpolarity, uint32_t extfilter);
/* configure TIMER the external clock mode 1 */
void timer_external_clock_mode1_config(uint32_t timer_periph, uint32_t extprescaler, uint32_t extpolarity, uint32_t extfilter);
/* disable TIMER the external clock mode 1 */
void timer_external_clock_mode1_disable(uint32_t timer_periph);
/* TIMER interrupt and flag */
/* enable the TIMER interrupt */
void timer_interrupt_enable(uint32_t timer_periph, uint32_t interrupt);
/* disable the TIMER interrupt */
void timer_interrupt_disable(uint32_t timer_periph, uint32_t interrupt);
/* get TIMER interrupt flag */
FlagStatus timer_interrupt_flag_get(uint32_t timer_periph, uint32_t interrupt);
/* clear TIMER interrupt flag */
void timer_interrupt_flag_clear(uint32_t timer_periph, uint32_t interrupt);
/* get TIMER flag */
FlagStatus timer_flag_get(uint32_t timer_periph, uint32_t flag);
/* clear TIMER flag */
void timer_flag_clear(uint32_t timer_periph, uint32_t flag);
#endif /* GD32VF103_TIMER_H */

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/*!
\file gd32vf103_usart.h
\brief definitions for the USART
\version 2019-06-05, V1.0.0, firmware for GD32VF103
\version 2019-09-18, V1.0.1, firmware for GD32VF103
*/
/*
Copyright (c) 2018, GigaDevice Semiconductor Inc.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
3. Neither the name of the copyright holder nor the names of its contributors
may be used to endorse or promote products derived from this software without
specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
OF SUCH DAMAGE.
*/
#ifndef GD32VF103_USART_H
#define GD32VF103_USART_H
#include "gd32vf103.h"
/* USARTx(x=0,1,2)/UARTx(x=3,4) definitions */
#define USART1 USART_BASE /*!< USART1 base address */
#define USART2 (USART_BASE+(0x00000400U)) /*!< USART2 base address */
#define UART3 (USART_BASE+(0x00000800U)) /*!< UART3 base address */
#define UART4 (USART_BASE+(0x00000C00U)) /*!< UART4 base address */
#define USART0 (USART_BASE+(0x0000F400U)) /*!< USART0 base address */
/* registers definitions */
#define USART_STAT(usartx) REG32((usartx) + (0x00000000U)) /*!< USART status register */
#define USART_DATA(usartx) REG32((usartx) + (0x00000004U)) /*!< USART data register */
#define USART_BAUD(usartx) REG32((usartx) + (0x00000008U)) /*!< USART baud rate register */
#define USART_CTL0(usartx) REG32((usartx) + (0x0000000CU)) /*!< USART control register 0 */
#define USART_CTL1(usartx) REG32((usartx) + (0x00000010U)) /*!< USART control register 1 */
#define USART_CTL2(usartx) REG32((usartx) + (0x00000014U)) /*!< USART control register 2 */
#define USART_GP(usartx) REG32((usartx) + (0x00000018U)) /*!< USART guard time and prescaler register */
/* bits definitions */
/* USARTx_STAT */
#define USART_STAT_PERR BIT(0) /*!< parity error flag */
#define USART_STAT_FERR BIT(1) /*!< frame error flag */
#define USART_STAT_NERR BIT(2) /*!< noise error flag */
#define USART_STAT_ORERR BIT(3) /*!< overrun error */
#define USART_STAT_IDLEF BIT(4) /*!< IDLE frame detected flag */
#define USART_STAT_RBNE BIT(5) /*!< read data buffer not empty */
#define USART_STAT_TC BIT(6) /*!< transmission complete */
#define USART_STAT_TBE BIT(7) /*!< transmit data buffer empty */
#define USART_STAT_LBDF BIT(8) /*!< LIN break detected flag */
#define USART_STAT_CTSF BIT(9) /*!< CTS change flag */
/* USARTx_DATA */
#define USART_DATA_DATA BITS(0,8) /*!< transmit or read data value */
/* USARTx_BAUD */
#define USART_BAUD_FRADIV BITS(0,3) /*!< fraction part of baud-rate divider */
#define USART_BAUD_INTDIV BITS(4,15) /*!< integer part of baud-rate divider */
/* USARTx_CTL0 */
#define USART_CTL0_SBKCMD BIT(0) /*!< send break command */
#define USART_CTL0_RWU BIT(1) /*!< receiver wakeup from mute mode */
#define USART_CTL0_REN BIT(2) /*!< receiver enable */
#define USART_CTL0_TEN BIT(3) /*!< transmitter enable */
#define USART_CTL0_IDLEIE BIT(4) /*!< idle line detected interrupt enable */
#define USART_CTL0_RBNEIE BIT(5) /*!< read data buffer not empty interrupt and overrun error interrupt enable */
#define USART_CTL0_TCIE BIT(6) /*!< transmission complete interrupt enable */
#define USART_CTL0_TBEIE BIT(7) /*!< transmitter buffer empty interrupt enable */
#define USART_CTL0_PERRIE BIT(8) /*!< parity error interrupt enable */
#define USART_CTL0_PM BIT(9) /*!< parity mode */
#define USART_CTL0_PCEN BIT(10) /*!< parity check function enable */
#define USART_CTL0_WM BIT(11) /*!< wakeup method in mute mode */
#define USART_CTL0_WL BIT(12) /*!< word length */
#define USART_CTL0_UEN BIT(13) /*!< USART enable */
/* USARTx_CTL1 */
#define USART_CTL1_ADDR BITS(0,3) /*!< address of USART */
#define USART_CTL1_LBLEN BIT(5) /*!< LIN break frame length */
#define USART_CTL1_LBDIE BIT(6) /*!< LIN break detected interrupt eanble */
#define USART_CTL1_CLEN BIT(8) /*!< CK length */
#define USART_CTL1_CPH BIT(9) /*!< CK phase */
#define USART_CTL1_CPL BIT(10) /*!< CK polarity */
#define USART_CTL1_CKEN BIT(11) /*!< CK pin enable */
#define USART_CTL1_STB BITS(12,13) /*!< STOP bits length */
#define USART_CTL1_LMEN BIT(14) /*!< LIN mode enable */
/* USARTx_CTL2 */
#define USART_CTL2_ERRIE BIT(0) /*!< error interrupt enable */
#define USART_CTL2_IREN BIT(1) /*!< IrDA mode enable */
#define USART_CTL2_IRLP BIT(2) /*!< IrDA low-power */
#define USART_CTL2_HDEN BIT(3) /*!< half-duplex enable */
#define USART_CTL2_NKEN BIT(4) /*!< NACK enable in smartcard mode */
#define USART_CTL2_SCEN BIT(5) /*!< smartcard mode enable */
#define USART_CTL2_DENR BIT(6) /*!< DMA request enable for reception */
#define USART_CTL2_DENT BIT(7) /*!< DMA request enable for transmission */
#define USART_CTL2_RTSEN BIT(8) /*!< RTS enable */
#define USART_CTL2_CTSEN BIT(9) /*!< CTS enable */
#define USART_CTL2_CTSIE BIT(10) /*!< CTS interrupt enable */
/* USARTx_GP */
#define USART_GP_PSC BITS(0,7) /*!< prescaler value for dividing the system clock */
#define USART_GP_GUAT BITS(8,15) /*!< guard time value in smartcard mode */
/* constants definitions */
/* define the USART bit position and its register index offset */
#define USART_REGIDX_BIT(regidx, bitpos) (((uint32_t)(regidx) << 6) | (uint32_t)(bitpos))
#define USART_REG_VAL(usartx, offset) (REG32((usartx) + (((uint32_t)(offset) & (0x0000FFFFU)) >> 6)))
#define USART_BIT_POS(val) ((uint32_t)(val) & (0x0000001FU))
#define USART_REGIDX_BIT2(regidx, bitpos, regidx2, bitpos2) (((uint32_t)(regidx2) << 22) | (uint32_t)((bitpos2) << 16)\
| (((uint32_t)(regidx) << 6) | (uint32_t)(bitpos)))
#define USART_REG_VAL2(usartx, offset) (REG32((usartx) + ((uint32_t)(offset) >> 22)))
#define USART_BIT_POS2(val) (((uint32_t)(val) & (0x001F0000U)) >> 16)
/* register offset */
#define USART_STAT_REG_OFFSET (0x00000000U) /*!< STAT register offset */
#define USART_CTL0_REG_OFFSET (0x0000000CU) /*!< CTL0 register offset */
#define USART_CTL1_REG_OFFSET (0x00000010U) /*!< CTL1 register offset */
#define USART_CTL2_REG_OFFSET (0x00000014U) /*!< CTL2 register offset */
/* USART flags */
typedef enum
{
/* flags in STAT register */
USART_FLAG_CTS = USART_REGIDX_BIT(USART_STAT_REG_OFFSET, 9U), /*!< CTS change flag */
USART_FLAG_LBD = USART_REGIDX_BIT(USART_STAT_REG_OFFSET, 8U), /*!< LIN break detected flag */
USART_FLAG_TBE = USART_REGIDX_BIT(USART_STAT_REG_OFFSET, 7U), /*!< transmit data buffer empty */
USART_FLAG_TC = USART_REGIDX_BIT(USART_STAT_REG_OFFSET, 6U), /*!< transmission complete */
USART_FLAG_RBNE = USART_REGIDX_BIT(USART_STAT_REG_OFFSET, 5U), /*!< read data buffer not empty */
USART_FLAG_IDLE = USART_REGIDX_BIT(USART_STAT_REG_OFFSET, 4U), /*!< IDLE frame detected flag */
USART_FLAG_ORERR = USART_REGIDX_BIT(USART_STAT_REG_OFFSET, 3U), /*!< overrun error */
USART_FLAG_NERR = USART_REGIDX_BIT(USART_STAT_REG_OFFSET, 2U), /*!< noise error flag */
USART_FLAG_FERR = USART_REGIDX_BIT(USART_STAT_REG_OFFSET, 1U), /*!< frame error flag */
USART_FLAG_PERR = USART_REGIDX_BIT(USART_STAT_REG_OFFSET, 0U), /*!< parity error flag */
}usart_flag_enum;
/* USART interrupt flags */
typedef enum
{
/* interrupt flags in CTL0 register */
USART_INT_FLAG_PERR = USART_REGIDX_BIT2(USART_CTL0_REG_OFFSET, 8U, USART_STAT_REG_OFFSET, 0U), /*!< parity error interrupt and flag */
USART_INT_FLAG_TBE = USART_REGIDX_BIT2(USART_CTL0_REG_OFFSET, 7U, USART_STAT_REG_OFFSET, 7U), /*!< transmitter buffer empty interrupt and flag */
USART_INT_FLAG_TC = USART_REGIDX_BIT2(USART_CTL0_REG_OFFSET, 6U, USART_STAT_REG_OFFSET, 6U), /*!< transmission complete interrupt and flag */
USART_INT_FLAG_RBNE = USART_REGIDX_BIT2(USART_CTL0_REG_OFFSET, 5U, USART_STAT_REG_OFFSET, 5U), /*!< read data buffer not empty interrupt and flag */
USART_INT_FLAG_RBNE_ORERR = USART_REGIDX_BIT2(USART_CTL0_REG_OFFSET, 5U, USART_STAT_REG_OFFSET, 3U), /*!< read data buffer not empty interrupt and overrun error flag */
USART_INT_FLAG_IDLE = USART_REGIDX_BIT2(USART_CTL0_REG_OFFSET, 4U, USART_STAT_REG_OFFSET, 4U), /*!< IDLE line detected interrupt and flag */
/* interrupt flags in CTL1 register */
USART_INT_FLAG_LBD = USART_REGIDX_BIT2(USART_CTL1_REG_OFFSET, 6U, USART_STAT_REG_OFFSET, 8U), /*!< LIN break detected interrupt and flag */
/* interrupt flags in CTL2 register */
USART_INT_FLAG_CTS = USART_REGIDX_BIT2(USART_CTL2_REG_OFFSET, 10U, USART_STAT_REG_OFFSET, 9U), /*!< CTS interrupt and flag */
USART_INT_FLAG_ERR_ORERR = USART_REGIDX_BIT2(USART_CTL2_REG_OFFSET, 0U, USART_STAT_REG_OFFSET, 3U), /*!< error interrupt and overrun error */
USART_INT_FLAG_ERR_NERR = USART_REGIDX_BIT2(USART_CTL2_REG_OFFSET, 0U, USART_STAT_REG_OFFSET, 2U), /*!< error interrupt and noise error flag */
USART_INT_FLAG_ERR_FERR = USART_REGIDX_BIT2(USART_CTL2_REG_OFFSET, 0U, USART_STAT_REG_OFFSET, 1U), /*!< error interrupt and frame error flag */
}usart_interrupt_flag_enum;
/* USART interrupt enable or disable */
typedef enum
{
/* interrupt in CTL0 register */
USART_INT_PERR = USART_REGIDX_BIT(USART_CTL0_REG_OFFSET, 8U), /*!< parity error interrupt */
USART_INT_TBE = USART_REGIDX_BIT(USART_CTL0_REG_OFFSET, 7U), /*!< transmitter buffer empty interrupt */
USART_INT_TC = USART_REGIDX_BIT(USART_CTL0_REG_OFFSET, 6U), /*!< transmission complete interrupt */
USART_INT_RBNE = USART_REGIDX_BIT(USART_CTL0_REG_OFFSET, 5U), /*!< read data buffer not empty interrupt and overrun error interrupt */
USART_INT_IDLE = USART_REGIDX_BIT(USART_CTL0_REG_OFFSET, 4U), /*!< IDLE line detected interrupt */
/* interrupt in CTL1 register */
USART_INT_LBD = USART_REGIDX_BIT(USART_CTL1_REG_OFFSET, 6U), /*!< LIN break detected interrupt */
/* interrupt in CTL2 register */
USART_INT_CTS = USART_REGIDX_BIT(USART_CTL2_REG_OFFSET, 10U), /*!< CTS interrupt */
USART_INT_ERR = USART_REGIDX_BIT(USART_CTL2_REG_OFFSET, 0U), /*!< error interrupt */
}usart_interrupt_enum;
/* USART receiver configure */
#define CTL0_REN(regval) (BIT(2) & ((uint32_t)(regval) << 2))
#define USART_RECEIVE_ENABLE CTL0_REN(1) /*!< enable receiver */
#define USART_RECEIVE_DISABLE CTL0_REN(0) /*!< disable receiver */
/* USART transmitter configure */
#define CTL0_TEN(regval) (BIT(3) & ((uint32_t)(regval) << 3))
#define USART_TRANSMIT_ENABLE CTL0_TEN(1) /*!< enable transmitter */
#define USART_TRANSMIT_DISABLE CTL0_TEN(0) /*!< disable transmitter */
/* USART parity bits definitions */
#define CTL0_PM(regval) (BITS(9,10) & ((uint32_t)(regval) << 9))
#define USART_PM_NONE CTL0_PM(0) /*!< no parity */
#define USART_PM_EVEN CTL0_PM(2) /*!< even parity */
#define USART_PM_ODD CTL0_PM(3) /*!< odd parity */
/* USART wakeup method in mute mode */
#define CTL0_WM(regval) (BIT(11) & ((uint32_t)(regval) << 11))
#define USART_WM_IDLE CTL0_WM(0) /*!< idle line */
#define USART_WM_ADDR CTL0_WM(1) /*!< address match */
/* USART word length definitions */
#define CTL0_WL(regval) (BIT(12) & ((uint32_t)(regval) << 12))
#define USART_WL_8BIT CTL0_WL(0) /*!< 8 bits */
#define USART_WL_9BIT CTL0_WL(1) /*!< 9 bits */
/* USART stop bits definitions */
#define CTL1_STB(regval) (BITS(12,13) & ((uint32_t)(regval) << 12))
#define USART_STB_1BIT CTL1_STB(0) /*!< 1 bit */
#define USART_STB_0_5BIT CTL1_STB(1) /*!< 0.5 bit */
#define USART_STB_2BIT CTL1_STB(2) /*!< 2 bits */
#define USART_STB_1_5BIT CTL1_STB(3) /*!< 1.5 bits */
/* USART LIN break frame length */
#define CTL1_LBLEN(regval) (BIT(5) & ((uint32_t)(regval) << 5))
#define USART_LBLEN_10B CTL1_LBLEN(0) /*!< 10 bits */
#define USART_LBLEN_11B CTL1_LBLEN(1) /*!< 11 bits */
/* USART CK length */
#define CTL1_CLEN(regval) (BIT(8) & ((uint32_t)(regval) << 8))
#define USART_CLEN_NONE CTL1_CLEN(0) /*!< there are 7 CK pulses for an 8 bit frame and 8 CK pulses for a 9 bit frame */
#define USART_CLEN_EN CTL1_CLEN(1) /*!< there are 8 CK pulses for an 8 bit frame and 9 CK pulses for a 9 bit frame */
/* USART clock phase */
#define CTL1_CPH(regval) (BIT(9) & ((uint32_t)(regval) << 9))
#define USART_CPH_1CK CTL1_CPH(0) /*!< first clock transition is the first data capture edge */
#define USART_CPH_2CK CTL1_CPH(1) /*!< second clock transition is the first data capture edge */
/* USART clock polarity */
#define CTL1_CPL(regval) (BIT(10) & ((uint32_t)(regval) << 10))
#define USART_CPL_LOW CTL1_CPL(0) /*!< steady low value on CK pin */
#define USART_CPL_HIGH CTL1_CPL(1) /*!< steady high value on CK pin */
/* USART DMA request for receive configure */
#define CLT2_DENR(regval) (BIT(6) & ((uint32_t)(regval) << 6))
#define USART_DENR_ENABLE CLT2_DENR(1) /*!< DMA request enable for reception */
#define USART_DENR_DISABLE CLT2_DENR(0) /*!< DMA request disable for reception */
/* USART DMA request for transmission configure */
#define CLT2_DENT(regval) (BIT(7) & ((uint32_t)(regval) << 7))
#define USART_DENT_ENABLE CLT2_DENT(1) /*!< DMA request enable for transmission */
#define USART_DENT_DISABLE CLT2_DENT(0) /*!< DMA request disable for transmission */
/* USART RTS configure */
#define CLT2_RTSEN(regval) (BIT(8) & ((uint32_t)(regval) << 8))
#define USART_RTS_ENABLE CLT2_RTSEN(1) /*!< RTS enable */
#define USART_RTS_DISABLE CLT2_RTSEN(0) /*!< RTS disable */
/* USART CTS configure */
#define CLT2_CTSEN(regval) (BIT(9) & ((uint32_t)(regval) << 9))
#define USART_CTS_ENABLE CLT2_CTSEN(1) /*!< CTS enable */
#define USART_CTS_DISABLE CLT2_CTSEN(0) /*!< CTS disable */
/* USART IrDA low-power enable */
#define CTL2_IRLP(regval) (BIT(2) & ((uint32_t)(regval) << 2))
#define USART_IRLP_LOW CTL2_IRLP(1) /*!< low-power */
#define USART_IRLP_NORMAL CTL2_IRLP(0) /*!< normal */
#endif /* GD32VF103_USART_H */

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/*!
\file gd32vf103_wwdgt.h
\brief definitions for the WWDGT
\version 2019-06-05, V1.0.0, firmware for GD32VF103
*/
/*
Copyright (c) 2019, GigaDevice Semiconductor Inc.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
3. Neither the name of the copyright holder nor the names of its contributors
may be used to endorse or promote products derived from this software without
specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
OF SUCH DAMAGE.
*/
#ifndef GD32VF103_WWDGT_H
#define GD32VF103_WWDGT_H
#include "gd32vf103.h"
/* WWDGT definitions */
#define WWDGT WWDGT_BASE /*!< WWDGT base address */
/* registers definitions */
#define WWDGT_CTL REG32((WWDGT) + 0x00000000U) /*!< WWDGT control register */
#define WWDGT_CFG REG32((WWDGT) + 0x00000004U) /*!< WWDGT configuration register */
#define WWDGT_STAT REG32((WWDGT) + 0x00000008U) /*!< WWDGT status register */
/* bits definitions */
/* WWDGT_CTL */
#define WWDGT_CTL_CNT BITS(0,6) /*!< WWDGT counter value */
#define WWDGT_CTL_WDGTEN BIT(7) /*!< WWDGT counter enable */
/* WWDGT_CFG */
#define WWDGT_CFG_WIN BITS(0,6) /*!< WWDGT counter window value */
#define WWDGT_CFG_PSC BITS(7,8) /*!< WWDGT prescaler divider value */
#define WWDGT_CFG_EWIE BIT(9) /*!< early wakeup interrupt enable */
/* WWDGT_STAT */
#define WWDGT_STAT_EWIF BIT(0) /*!< early wakeup interrupt flag */
/* constants definitions */
#define CFG_PSC(regval) (BITS(7,8) & ((uint32_t)(regval) << 7)) /*!< write value to WWDGT_CFG_PSC bit field */
#define WWDGT_CFG_PSC_DIV1 CFG_PSC(0) /*!< the time base of WWDGT = (PCLK1/4096)/1 */
#define WWDGT_CFG_PSC_DIV2 CFG_PSC(1) /*!< the time base of WWDGT = (PCLK1/4096)/2 */
#define WWDGT_CFG_PSC_DIV4 CFG_PSC(2) /*!< the time base of WWDGT = (PCLK1/4096)/4 */
#define WWDGT_CFG_PSC_DIV8 CFG_PSC(3) /*!< the time base of WWDGT = (PCLK1/4096)/8 */
/* function declarations */
/* reset the window watchdog timer configuration */
void wwdgt_deinit(void);
/* start the window watchdog timer counter */
void wwdgt_enable(void);
/* configure the window watchdog timer counter value */
void wwdgt_counter_update(uint16_t counter_value);
/* configure counter value, window value, and prescaler divider value */
void wwdgt_config(uint16_t counter, uint16_t window, uint32_t prescaler);
/* enable early wakeup interrupt of WWDGT */
void wwdgt_interrupt_enable(void);
/* check early wakeup interrupt state of WWDGT */
FlagStatus wwdgt_flag_get(void);
/* clear early wakeup interrupt state of WWDGT */
void wwdgt_flag_clear(void);
#endif /* GD32VF103_WWDGT_H */

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include $(RIOTMAKE)/periph.mk

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/*
* Copyright (C) 2020 Inria
* Copyright (C) 2020 Koen Zandberg <koen@bergzand.net>
*
* This file is subject to the terms and conditions of the GNU Lesser
* General Public License v2.1. See the file LICENSE in the top level
* directory for more details.
*/
/**
* @ingroup cpu_stm32
* @{
*
* @file
* @brief Low-level flash lock/unlock implementation
*
* @author Alexandre Abadie <alexandre.abadie@inria.fr>
* @author Oleg Artamonov <oleg@unwds.com>
* @author Koen Zandberg <koen@bergzand.net>
*
* @}
*/
#include "cpu.h"
#include "periph_cpu.h"
#include "periph/flashpage.h"
#define ENABLE_DEBUG 0
#include "debug.h"
#define FLASHPAGE_DIV (2U)
#define FLASH_KEY1 ((uint32_t)0x45670123)
#define FLASH_KEY2 ((uint32_t)0xCDEF89AB)
static void _unlock_flash(void)
{
if (FMC->CTL0 & FMC_CTL0_LK_Msk) {
DEBUG("[flash-common] unlocking the flash module\n");
FMC->KEY0 = FLASH_KEY1;
FMC->KEY0 = FLASH_KEY2;
}
}
static void _lock_flash(void)
{
if (!(FMC->CTL0 & FMC_CTL0_LK_Msk)) {
DEBUG("[flash-common] locking the flash module\n");
FMC->CTL0 |= FMC_CTL0_LK_Msk;
}
}
static void _wait_for_pending_operations(void)
{
if (FMC->STAT0 & FMC_STAT0_BUSY_Msk) {
DEBUG("[flash-common] waiting for any pending operation to finish\n");
while (FMC->STAT0 & FMC_STAT0_BUSY_Msk) {}
}
/* Clear 'end of operation' bit in status register */
FMC->STAT0 |= FMC_STAT0_ENDF_Msk;
}
void flashpage_erase(unsigned page)
{
uint32_t irc8_state = (RCU->CTL & RCU_CTL_IRC8MEN_Msk);
uint16_t *dst = flashpage_addr(page);
/* the internal RC oscillator (HSI) must be enabled */
gd32v_enable_irc8();
/* unlock the flash module */
_unlock_flash();
/* make sure no flash operation is ongoing */
_wait_for_pending_operations();
/* set page erase bit and program page address */
DEBUG("[flashpage] erase: setting the erase bit\n");
FMC->CTL0 |= FMC_CTL0_PER_Msk;
DEBUG("address to erase: %p\n", dst);
DEBUG("[flashpage] erase: setting the page address\n");
FMC->ADDR0 = (uint32_t)dst;
/* trigger the page erase and wait for it to be finished */
DEBUG("[flashpage] erase: trigger the page erase\n");
FMC->CTL0 |= FMC_CTL0_START_Msk;
/* wait as long as device is busy */
_wait_for_pending_operations();
/* reset PER bit */
DEBUG("[flashpage] erase: resetting the page erase bit\n");
FMC->CTL0 &= ~(FMC_CTL0_PER_Msk);
/* lock the flash module again */
_lock_flash();
/* restore the HSI state */
if (!irc8_state) {
gd32v_disable_irc8();
}
}
void flashpage_write(void *target_addr, const void *data, size_t len)
{
/* assert multiples of FLASHPAGE_WRITE_BLOCK_SIZE are written and no less of
that length. */
assert(!(len % FLASHPAGE_WRITE_BLOCK_SIZE));
/* ensure writes are aligned */
assert(!(((unsigned)target_addr % FLASHPAGE_WRITE_BLOCK_ALIGNMENT) ||
((unsigned)data % FLASHPAGE_WRITE_BLOCK_ALIGNMENT)));
/* ensure the length doesn't exceed the actual flash size */
assert(((unsigned)target_addr + len) <
(CPU_FLASH_BASE + (FLASHPAGE_SIZE * FLASHPAGE_NUMOF)) + 1);
uint16_t *dst = (uint16_t *)target_addr;
const uint16_t *data_addr = data;
uint32_t irc8_state = (RCU->CTL & RCU_CTL_IRC8MEN_Msk);
/* the internal RC oscillator (HSI) must be enabled */
gd32v_enable_irc8();
/* unlock the flash module */
_unlock_flash();
/* make sure no flash operation is ongoing */
_wait_for_pending_operations();
/* set PG bit and program page to flash */
FMC->CTL0 |= FMC_CTL0_PG_Msk;
for (size_t i = 0; i < (len / FLASHPAGE_DIV); i++) {
DEBUG("[flashpage_write] writing %c to %p\n", (char)data_addr[i], dst);
*dst++ = data_addr[i];
/* wait as long as device is busy */
_wait_for_pending_operations();
}
FMC->CTL0 &= ~(FMC_CTL0_PG_Msk);
DEBUG("[flashpage_write] write: done writing data\n");
/* lock the flash module again */
_lock_flash();
/* restore the HSI state */
if (!irc8_state) {
gd32v_disable_irc8();
}
}

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/*
* Copyright (C) 2020 Koen Zandberg <koen@bergzand.net>
*
* This file is subject to the terms and conditions of the GNU Lesser General
* Public License v2.1. See the file LICENSE in the top level directory for more
* details.
*/
/**
* @ingroup cpu_gd32v
* @{
*
* @file
* @brief GD32V GPIO implementation
*
* @author Koen Zandberg <koen@bergzand.net>
*/
#include "cpu.h"
#include "clic.h"
#include "periph_cpu.h"
#include "periph/gpio.h"
/**
* @brief Extract information from mode parameter
*/
#define MODE_MASK (0x0f)
#define ODR_POS (4U)
/**
* @brief Extract the port base address from the given pin identifier
*/
static inline GPIO_Type *_port(gpio_t pin)
{
return (GPIO_Type *)(pin & ~(0x0f));
}
/**
* @brief Extract the port number form the given identifier
*
* The port number is extracted by looking at bits 10, 11, 12, 13 of the base
* register addresses.
*/
static inline int _port_num(gpio_t pin)
{
return (((pin >> 10) & 0x0f) - 2);
}
/**
* @brief Extract the pin number from the last 4 bit of the pin identifier
*/
static inline int _pin_num(gpio_t pin)
{
return (pin & 0x0f);
}
static inline void _port_enable_clock(gpio_t pin)
{
periph_clk_en(APB2, (RCU_APB2EN_PAEN_Msk << _port_num(pin)));
}
/**
* @brief Check if the given mode is some kind of input mdoe
* @param[in] mode Mode to check
* @retval 1 @p mode is GPIO_IN, GPIO_IN_PD, or GPIO_IN_PU
* @retval 0 @p mode is not an input mode
*/
static inline int gpio_mode_is_input(gpio_mode_t mode)
{
return !(mode & 3);
}
static inline void _set_mode_or_af(GPIO_Type *port, unsigned pin_num,
unsigned mode_or_af)
{
volatile uint32_t *crl = (&port->CTL0 + (pin_num >> 3));
uint32_t tmp = *crl;
tmp &= ~(0xf << ((pin_num & 0x7) * 4));
tmp |= ((mode_or_af & MODE_MASK) << ((pin_num & 0x7) * 4));
*crl = tmp;
}
static inline bool _pin_is_output(GPIO_Type *port, unsigned pin_num)
{
uint32_t reg = *(uint32_t *)(&port->CTL0 + (pin_num >> 3));
return reg & (0x3 << ((pin_num & 0x7) << 2));
}
int gpio_init(gpio_t pin, gpio_mode_t mode)
{
GPIO_Type *port = _port(pin);
unsigned pin_num = _pin_num(pin);
/* open-drain output with pull-up is not supported */
if (mode == GPIO_OD_PU) {
return -1;
}
/* enable the clock for the selected port */
_port_enable_clock(pin);
/* set pin mode */
_set_mode_or_af(port, pin_num, mode);
/* For input modes, ODR controls pull up settings */
if (gpio_mode_is_input(mode)) {
if (mode == GPIO_IN_PU) {
cpu_reg_enable_bits(&port->OCTL, 1 << pin_num);
}
else {
cpu_reg_disable_bits(&port->OCTL, 1 << pin_num);
}
}
return 0; /* all OK */
}
void gpio_init_af(gpio_t pin, gpio_af_t af)
{
GPIO_Type *port = _port(pin);
unsigned pin_num = _pin_num(pin);
/* enable the clock for the selected port */
_port_enable_clock(pin);
/* configure the pin */
_set_mode_or_af(port, pin_num, af);
}
void gpio_init_analog(gpio_t pin)
{
/* enable the GPIO port RCC */
_port_enable_clock(pin);
/* map the pin as analog input */
int pin_num = _pin_num(pin);
volatile uint32_t *pin_reg = (uint32_t *)(&_port(pin)->CTL0 + (pin_num >= 8));
*pin_reg &= ~(0xfl << (4 * (pin_num - ((pin_num >= 8) * 8))));
}
int gpio_read(gpio_t pin)
{
GPIO_Type *port = _port(pin);
unsigned pin_num = _pin_num(pin);
if (_pin_is_output(port, pin)) {
/* pin is output */
return (port->OCTL & (1 << pin_num));
}
else {
/* or input */
return (port->ISTAT & (1 << pin_num));
}
}
void gpio_set(gpio_t pin)
{
_port(pin)->BOP = (1 << _pin_num(pin));
}
void gpio_clear(gpio_t pin)
{
_port(pin)->BC = (1 << _pin_num(pin));
}
void gpio_toggle(gpio_t pin)
{
if (gpio_read(pin)) {
gpio_clear(pin);
}
else {
gpio_set(pin);
}
}
void gpio_write(gpio_t pin, int value)
{
if (value) {
gpio_set(pin);
}
else {
gpio_clear(pin);
}
}
/** @} */

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/*
* Copyright 2020 Koen Zandberg
*
* This file is subject to the terms and conditions of the GNU Lesser
* General Public License v2.1. See the file LICENSE in the top level
* directory for more details.
*/
/**
* @ingroup cpu_gd32v
* @{
*
* @brief Implementation of the CPU power management for Gigadevice GD32V
*
* @author Koen Zandberg <koen@bergzand.net>
* @}
*/
#include <stdint.h>
#include "periph/pm.h"
#include "periph/wdt.h"
void pm_set_lowest(void)
{
__asm__ volatile ("wfi");
}
void pm_reboot(void)
{
wdt_setup_reboot(0, 1);
wdt_start();
wdt_kick();
while (1) {}
}

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/*
* Copyright (C) 2020 Koen Zandberg <koen@bergzand.net>
*
* This file is subject to the terms and conditions of the GNU Lesser General
* Public License v2.1. See the file LICENSE in the top level directory for more
* details.
*/
/**
* @ingroup cpu_gd32v
* @ingroup drivers_periph_timer
* @{
*
* @file
* @brief Low-level timer driver implementation
*
* @author Koen Zandberg <koen@bergzand.net>
*
* @}
*/
#include "cpu.h"
#include "periph/timer.h"
#define ENABLE_DEBUG 0
#include "debug.h"
/**
* @brief Define a macro for accessing a timer channel
*/
#define TIM_CHAN(tim, chan) *(&dev(tim)->CH0CV + chan)
#define TIMER_CHANNEL_NUMOF (4)
static void _timer_isr(unsigned irq);
/**
* @brief Interrupt context for each configured timer
*/
static timer_isr_ctx_t isr_ctx[TIMER_NUMOF];
/**
* @brief Get the timer device
*/
static inline TIMER_Type *dev(tim_t tim)
{
return timer_config[tim].dev;
}
#ifdef MODULE_PERIPH_TIMER_PERIODIC
/**
* @brief Helper macro to get channel bit in timer/channel bitmap
*/
#define CHAN_BIT(tim, chan) (1 << chan) << (TIMER_CHANNEL_NUMOF * (tim & 1))
/**
* @brief Bitmap for compare channel disable after match
*/
static uint8_t _oneshot[(TIMER_NUMOF + 1) / 2];
/**
* @brief Clear interrupt enable after the interrupt has fired
*/
static inline void set_oneshot(tim_t tim, int chan)
{
_oneshot[tim >> 1] |= CHAN_BIT(tim, chan);
}
/**
* @brief Enable interrupt with every wrap-around of the timer
*/
static inline void clear_oneshot(tim_t tim, int chan)
{
_oneshot[tim >> 1] &= ~CHAN_BIT(tim, chan);
}
static inline bool is_oneshot(tim_t tim, int chan)
{
return _oneshot[tim >> 1] & CHAN_BIT(tim, chan);
}
#else /* !MODULE_PERIPH_TIMER_PERIODIC */
static inline void set_oneshot(tim_t tim, int chan)
{
(void)tim;
(void)chan;
}
static inline bool is_oneshot(tim_t tim, int chan)
{
(void)tim;
(void)chan;
return true;
}
#endif /* MODULE_PERIPH_TIMER_PERIODIC */
int timer_init(tim_t tim, unsigned long freq, timer_cb_t cb, void *arg)
{
/* check if device is valid */
if (tim >= TIMER_NUMOF) {
return -1;
}
/* remember the interrupt context */
isr_ctx[tim].cb = cb;
isr_ctx[tim].arg = arg;
/* enable the peripheral clock */
periph_clk_en(timer_config[tim].bus, timer_config[tim].rcu_mask);
/* configure the timer as upcounter in continuous mode */
dev(tim)->CTL0 = 0;
dev(tim)->CTL1 = 0;
dev(tim)->CAR = timer_config[tim].max;
/* set prescaler */
dev(tim)->PSC = (((periph_apb_clk(timer_config[tim].bus) * 2) / freq) - 1);
DEBUG("[timer]: %" PRIu32 "/%lu = %" PRIu16 "\n",
periph_apb_clk(timer_config[tim].bus), freq, dev(tim)->PSC)
/* generate an update event to apply our configuration */
dev(tim)->SWEVG = TIMER0_SWEVG_UPG_Msk;
/* enable the timer's interrupt */
clic_enable_interrupt(timer_config[tim].irqn, CPU_DEFAULT_IRQ_PRIO);
clic_set_handler(timer_config[tim].irqn, _timer_isr);
/* reset the counter and start the timer */
timer_start(tim);
return 0;
}
int timer_set_absolute(tim_t tim, int channel, unsigned int value)
{
DEBUG("[timer]: setting %u to %i\n", value, channel);
if (channel >= (int)TIMER_CHANNEL_NUMOF) {
return -1;
}
set_oneshot(tim, channel);
TIM_CHAN(tim, channel) = (value & timer_config[tim].max);
#ifdef MODULE_PERIPH_TIMER_PERIODIC
if (dev(tim)->CAR == TIM_CHAN(tim, channel)) {
dev(tim)->CAR = timer_config[tim].max;
}
#endif
dev(tim)->DMAINTEN |= (TIMER0_DMAINTEN_CH0IE_Msk << channel);
return 0;
}
#ifdef MODULE_PERIPH_TIMER_PERIODIC
int timer_set_periodic(tim_t tim, int channel, unsigned int value,
uint8_t flags)
{
if (channel >= (int)TIMER_CHANNEL_NUMOF) {
return -1;
}
clear_oneshot(tim, channel);
if (flags & TIM_FLAG_RESET_ON_SET) {
/* setting COUNT gives us an interrupt on all channels */
unsigned state = irq_disable();
dev(tim)->CNT = 0;
/* wait for the interrupt & clear it */
while (dev(tim)->INTF == 0) {}
dev(tim)->INTF = 0;
irq_restore(state);
}
TIM_CHAN(tim, channel) = value;
dev(tim)->DMAINTEN |= (TIMER0_DMAINTEN_CH0IE_Msk << channel);
if (flags & TIM_FLAG_RESET_ON_MATCH) {
dev(tim)->CAR = value;
}
return 0;
}
#endif /* MODULE_PERIPH_TIMER_PERIODIC */
int timer_clear(tim_t tim, int channel)
{
if (channel >= (int)TIMER_CHANNEL_NUMOF) {
return -1;
}
dev(tim)->DMAINTEN &= ~(TIMER0_DMAINTEN_CH0IE_Msk << channel);
#ifdef MODULE_PERIPH_TIMER_PERIODIC
if (dev(tim)->CAR == TIM_CHAN(tim, channel)) {
dev(tim)->CAR = timer_config[tim].max;
}
#endif
return 0;
}
unsigned int timer_read(tim_t tim)
{
return (unsigned int)dev(tim)->CNT;
}
void timer_start(tim_t tim)
{
dev(tim)->CTL0 |= TIMER0_CTL0_CEN_Msk;
}
void timer_stop(tim_t tim)
{
dev(tim)->CTL0 &= ~(TIMER0_CTL0_CEN_Msk);
}
static void _irq_handler(tim_t tim)
{
uint32_t top = dev(tim)->CAR;
uint32_t status = dev(tim)->INTF & dev(tim)->DMAINTEN;
dev(tim)->INTF = 0;
for (unsigned int i = 0; status; i++) {
uint32_t msk = 1 << (TIMER0_INTF_CH0IF_Pos + i);
/* check if interrupt flag is set */
if ((status & msk) == 0) {
continue;
}
status &= ~msk;
/* interrupt flag gets set for all channels > ARR */
if (TIM_CHAN(tim, i) > top) {
continue;
}
/* disable Interrupt */
if (is_oneshot(tim, i)) {
dev(tim)->DMAINTEN &= ~msk;
}
isr_ctx[tim].cb(isr_ctx[tim].arg, i);
}
}
static void _timer_isr(unsigned irq)
{
switch (irq) {
#ifdef TIMER_0_IRQN
case TIMER_0_IRQN:
_irq_handler(TIMER_DEV(0));
break;
#endif
#ifdef TIMER_1_IRQN
case TIMER_1_IRQN:
_irq_handler(TIMER_DEV(1));
break;
#endif
#ifdef TIMER_2_IRQN
case TIMER_2_IRQN:
_irq_handler(TIMER_DEV(2));
break;
#endif
#ifdef TIMER_3_IRQN
case TIMER_3_IRQN:
_irq_handler(TIMER_DEV(3));
break;
#endif
default:
assert(false);
}
}

264
cpu/gd32v/periph/uart.c Normal file
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@ -0,0 +1,264 @@
/*
* Copyright (C) 2020 Koen Zandberg <koen@bergzand.net>
*
* This file is subject to the terms and conditions of the GNU Lesser General
* Public License v2.1. See the file LICENSE in the top level directory for more
* details.
*/
/**
* @ingroup cpu_gd32v
* @{
*
* @file
* @brief GD32V UART peripheral implementation
*
* @author Koen Zandberg <koen@bergzand.net>
*/
#include <assert.h>
#include <stdint.h>
#include "periph/uart.h"
#include "periph/gpio.h"
#include "periph_cpu.h"
#include "cpu.h"
#include "clic.h"
#define RXENABLE (USART_CTL0_REN_Msk | USART_CTL0_RBNEIE_Msk)
/**
* @brief Allocate memory to store the callback functions
*
* Extend standard uart_isr_ctx_t with data_mask field. This is needed
* in order to mask parity bit.
*/
static struct {
uart_rx_cb_t rx_cb; /**< data received interrupt callback */
void *arg; /**< argument to both callback routines */
uint8_t data_mask; /**< mask applied to the data register */
} isr_ctx[UART_NUMOF];
static inline void _uart_isr(uart_t uart);
static inline USART_Type *dev(uart_t uart)
{
return uart_config[uart].dev;
}
static inline void uart_init_pins(uart_t uart, uart_rx_cb_t rx_cb)
{
/* configure TX pin */
gpio_init_af(uart_config[uart].tx_pin, GPIO_AF_OUT_PP);
/* configure RX pin */
if (rx_cb) {
gpio_init(uart_config[uart].rx_pin, GPIO_IN_PU);
}
}
static inline void uart_enable_clock(uart_t uart)
{
/* TODO: add pm blocker */
periph_clk_en(uart_config[uart].bus, uart_config[uart].rcu_mask);
}
static inline void uart_disable_clock(uart_t uart)
{
periph_clk_dis(uart_config[uart].bus, uart_config[uart].rcu_mask);
/* TODO remove pm blocker */
}
static inline void uart_init_usart(uart_t uart, uint32_t baudrate)
{
uint16_t mantissa;
uint8_t fraction;
uint32_t clk;
/* calculate and apply baudrate */
clk = periph_apb_clk(uart_config[uart].bus) / baudrate;
mantissa = (uint16_t)(clk / 16);
fraction = (uint8_t)(clk - (mantissa * 16));
dev(uart)->BAUD = ((mantissa & 0x0fff) << 4) | (fraction & 0x0f);
}
int uart_init(uart_t uart, uint32_t baudrate, uart_rx_cb_t rx_cb, void *arg)
{
assert(uart < UART_NUMOF);
/* save ISR context */
isr_ctx[uart].rx_cb = rx_cb;
isr_ctx[uart].arg = arg;
isr_ctx[uart].data_mask = 0xFF;
uart_enable_clock(uart);
/* reset UART configuration -> defaults to 8N1 mode */
dev(uart)->CTL0 = 0;
dev(uart)->CTL1 = 0;
dev(uart)->CTL2 = 0;
uart_init_usart(uart, baudrate);
/* Attach pins to enabled UART periph. Note: It is important that the UART
* interface is configured prior to attaching the pins, as otherwise the
* signal level flickers during initialization resulting in garbage being
* sent. */
uart_init_pins(uart, rx_cb);
/* enable RX interrupt if applicable */
if (rx_cb) {
clic_set_handler(uart_config[uart].irqn, _uart_isr);
clic_enable_interrupt(uart_config[uart].irqn, CPU_DEFAULT_IRQ_PRIO);
dev(uart)->CTL0 = (USART_CTL0_UEN_Msk | USART_CTL0_TEN_Msk | RXENABLE);
}
else {
dev(uart)->CTL0 = (USART_CTL0_UEN_Msk | USART_CTL0_TEN_Msk);
}
return UART_OK;
}
#ifdef MODULE_PERIPH_UART_MODECFG
int uart_mode(uart_t uart, uart_data_bits_t data_bits, uart_parity_t parity,
uart_stop_bits_t stop_bits)
{
assert(uart < UART_NUMOF);
isr_ctx[uart].data_mask = 0xFF;
if (parity) {
switch (data_bits) {
case UART_DATA_BITS_6:
data_bits = UART_DATA_BITS_7;
isr_ctx[uart].data_mask = 0x3F;
break;
case UART_DATA_BITS_7:
data_bits = UART_DATA_BITS_8;
isr_ctx[uart].data_mask = 0x7F;
break;
case UART_DATA_BITS_8:
#ifdef USART_CTL0_M0
data_bits = USART_CTL0_M0;
#else
data_bits = USART_CTL0_M;
#endif
break;
default:
return UART_NOMODE;
}
}
if ((data_bits & UART_INVALID_MODE) || (parity & UART_INVALID_MODE)) {
return UART_NOMODE;
}
#ifdef USART_CTL0_M1
if (!(dev(uart)->ISR & USART_ISR_TC)) {
return UART_INTERR;
}
dev(uart)->CTL0 &= ~(USART_CTL0_UEN_Msk | USART_CTL0_TEN_Msk);
#endif
dev(uart)->CTL1 &= ~USART_CTL1_STOP;
dev(uart)->CTL0 &= ~(USART_CTL0_PS | USART_CTL0_PCE | USART_CTL0_M);
dev(uart)->CTL1 |= stop_bits;
dev(uart)->CTL0 |= (USART_CTL0_UE | USART_CTL0_TE | data_bits | parity);
return UART_OK;
}
#endif /* MODULE_PERIPH_UART_MODECFG */
static inline void send_byte(uart_t uart, uint8_t byte)
{
while (!(dev(uart)->STAT & USART_STAT_TBE_Msk)) {}
dev(uart)->DATA = byte;
}
static inline void wait_for_tx_complete(uart_t uart)
{
while (!(dev(uart)->STAT & USART_STAT_TC_Msk)) {}
}
void uart_write(uart_t uart, const uint8_t *data, size_t len)
{
assert(uart < UART_NUMOF);
#if DEVELHELP
/* If tx is not enabled don't try to send */
if (!(dev(uart)->CTL0 & USART_CTL0_TEN_Msk)) {
return;
}
#endif
for (size_t i = 0; i < len; i++) {
send_byte(uart, data[i]);
}
/* make sure the function is synchronous by waiting for the transfer to
* finish */
wait_for_tx_complete(uart);
}
void uart_poweron(uart_t uart)
{
assert(uart < UART_NUMOF);
uart_enable_clock(uart);
dev(uart)->CTL0 |= (USART_CTL0_UEN_Msk);
}
void uart_poweroff(uart_t uart)
{
assert(uart < UART_NUMOF);
dev(uart)->CTL0 &= ~(USART_CTL0_UEN_Msk);
uart_disable_clock(uart);
}
static inline void _irq_handler(uart_t uart)
{
uint32_t status = dev(uart)->STAT;
if (status & USART_STAT_RBNE_Msk) {
isr_ctx[uart].rx_cb(isr_ctx[uart].arg,
(uint8_t)dev(uart)->DATA & isr_ctx[uart].data_mask);
}
if (status & USART_STAT_ORERR_Msk) {
dev(uart)->DATA;
}
}
static void _uart_isr(unsigned irq)
{
switch (irq) {
#ifdef UART_0_IRQN
case UART_0_IRQN:
_irq_handler(UART_DEV(0));
break;
#endif
#ifdef UART_1_IRQN
case UART_1_IRQN:
_irq_handler(UART_DEV(1));
break;
#endif
#ifdef UART_2_IRQN
case UART_2_IRQN:
_irq_handler(UART_DEV(2));
break;
#endif
#ifdef UART_3_IRQN
case UART_3_IRQN:
_irq_handler(UART_DEV(3));
break;
#endif
#ifdef UART_4_IRQN
case UART_4_IRQN:
_irq_handler(UART_DEV(4));
break;
#endif
#ifdef UART_5_IRQN
case UART_5_IRQN:
_irq_handler(UART_DEV(5));
break;
#endif
default:
assert(false);
}
}

139
cpu/gd32v/periph/wdt.c Normal file
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@ -0,0 +1,139 @@
/*
* Copyright (C) 2019 Inria
* Copyright (C) 2020 Koen Zandberg <koen@bergzand.net>
*
* This file is subject to the terms and conditions of the GNU Lesser
* General Public License v2.1. See the file LICENSE in the top level
* directory for more details.
*/
/**
* @ingroup cpu_gd32v
* @ingroup drivers_periph_wdt
*
* @brief
*
* @{
*
* @file wdt.c
* @brief Independent Watchdog timer for gd32v platforms
*
* @author Francisco Molina <francois-xavier.molina@inria.fr>
* @author Koen Zandberg <koen@bergzand.net>
*/
#include <stdlib.h>
#include <assert.h>
#include "macros/units.h"
#include "bitarithm.h"
#include "cpu.h"
#include "timex.h"
#include "periph_cpu.h"
#include "periph/wdt.h"
#define ENABLE_DEBUG 0
#include "debug.h"
#define CLOCK_LSI (KHZ(40))
#define MAX_RELOAD (4096U)
#define MAX_PRESCALER (6U)
#define FWDGT_STEP_MS ((4U * US_PER_MS * MAX_RELOAD) / CLOCK_LSI)
#define FWDGT_CTL_KEY_RELOAD ((uint16_t)0xAAAA)
#define FWDGT_CTL_KEY_ENABLE ((uint16_t)0xCCCC)
#define FWDGT_UNLOCK ((uint16_t)0x5555)
#define FWDGT_LOCK ((uint16_t)0x0000)
/* wdt_time (us) = LSI(us) x 4 x 2^PRE x RELOAD */
static inline __attribute__((used)) uint32_t _wdt_time(uint8_t pre, uint16_t rel)
{
return (uint32_t)(((uint64_t)US_PER_SEC * 4 * (1 << pre) * rel) /
CLOCK_LSI);
}
static inline void _fwdt_unlock(void)
{
FWDGT->CTL = FWDGT_UNLOCK;
}
static inline void _fwdt_lock(void)
{
FWDGT->CTL = FWDGT_LOCK;
}
static void _set_prescaler(uint8_t prescaler)
{
assert(prescaler <= MAX_PRESCALER);
_fwdt_unlock();
FWDGT->PSC = prescaler;
_fwdt_lock();
}
static void _set_reload(uint16_t reload)
{
assert(reload <= FWDGT_RLD_RLD_Msk);
_fwdt_unlock();
FWDGT->RLD = reload;
_fwdt_lock();
}
static uint8_t _find_prescaler(uint32_t rst_time)
{
/* Divide by the range to get power of 2 of the prescaler */
uint8_t pre = bitarithm_msb(rst_time / FWDGT_STEP_MS) + 1;
DEBUG("[wdt]: prescaler value %d\n", pre);
return pre;
}
static uint16_t _find_reload_value(uint8_t pre, uint32_t rst_time)
{
/* Calculate best reload value = rst_time / LSI(ms) x 4 x 2^PRE */
uint16_t rel = (uint16_t)((rst_time * CLOCK_LSI) / \
((uint32_t)(US_PER_MS * 4 * (1 << pre))));
DEBUG("[wdt]: reload value %d\n", rel);
return rel;
}
void wdt_start(void)
{
FWDGT->CTL = FWDGT_CTL_KEY_ENABLE;
}
void wdt_kick(void)
{
FWDGT->CTL = FWDGT_CTL_KEY_RELOAD;
}
void wdt_setup_reboot(uint32_t min_time, uint32_t max_time)
{
(void)min_time;
/* Windowed wdt not supported */
assert(min_time == 0);
/* Check reset time limit */
assert((max_time > NWDT_TIME_LOWER_LIMIT) ||
(max_time < NWDT_TIME_UPPER_LIMIT));
RCU->RSTSCK |= RCU_RSTSCK_IRC40KEN_Msk;
while (!(RCU->RSTSCK & RCU_RSTSCK_IRC40KSTB_Msk)) {}
uint8_t pre = _find_prescaler(max_time);
uint16_t rel = _find_reload_value(pre, max_time);
/* Set watchdog prescaler and reload value */
_set_prescaler(pre);
_set_reload(rel);
DEBUG("[wdt]: reset time %lu [us]\n", _wdt_time(pre, rel));
/* Refresh wdt counter */
wdt_kick();
}

2
sys/stdio_semihosting/stdio_semihosting.c
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@ -59,7 +59,7 @@
#define STDIO_SEMIHOSTING_SYS_READ (0x06) /**< Read command */
/** @} */
#if defined(CPU_FE310)
#if defined(MODULE_RISCV_COMMON)
static bool _semihosting_connected(void) {
return true;
}