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boards/seeedstudio-gd32: add periph_adc support

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This commit is contained in:
Gunar Schorcht 2023-01-19 16:51:40 +01:00
parent f7949e42fd
commit 47c95cb2a2
4 changed files with 39 additions and 1 deletions
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1
boards/seeedstudio-gd32/Kconfig
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@ -14,6 +14,7 @@ config BOARD_SEEEDSTUDIO_GD32
select CPU_MODEL_GD32VF103VBT6
select BOARD_HAS_HXTAL
select BOARD_HAS_LXTAL
select HAS_PERIPH_ADC
select HAS_PERIPH_I2C
select HAS_PERIPH_PWM
select HAS_PERIPH_SPI

1
boards/seeedstudio-gd32/Makefile.features
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@ -1,6 +1,7 @@
CPU_MODEL = gd32vf103vbt6
# Put defined MCU peripherals here (in alphabetical order)
FEATURES_PROVIDED += periph_adc
FEATURES_PROVIDED += periph_i2c
FEATURES_PROVIDED += periph_pwm
FEATURES_PROVIDED += periph_spi

13
boards/seeedstudio-gd32/doc.txt
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@ -37,7 +37,7 @@ on-board components:
| Timers | 5 x 16-bit timer | yes |
| RTC | 1 x 32-bit counter, 20-bit prescaler | yes |
| WDT | 2 x 12-bit counter, 3-bit prescaler | yes |
| ADC | 2 x 12-bit units, 16 channels, 1 Msps | no |
| ADC | 2 x 12-bit units, 16 channels @ 1 Msps | yes |
| DAC | 2 x 12-bit channel | no |
| UART | 2 | yes |
| USART | 3 | yes |
@ -65,6 +65,9 @@ MCU pins and their configuration in RIOT.
| MCU Pin | MCU Peripheral | RIOT Peripheral | Board Function | Remark |
|:--------|:---------------|:-----------------|:---------------|:-----------------------------|
| PA0 | BOOT0 | BTN0 | KEY1 | |
| PA1 | ADC01_IN1 | ADC_LINE(0) | | |
| PA2 | ADC01_IN2 | ADC_LINE(1) | | |
| PA3 | ADC01_IN3 | ADC_LINE(2) | | |
| PA9 | USART0 TX | UART_DEV(0) TX | UART TX | |
| PA10 | USART0 RX | UART_DEV(0) RX | UART RX | |
| PA4 | SPI1 CS | SPI_DEV(1) CS | | |
@ -84,7 +87,15 @@ MCU pins and their configuration in RIOT.
| PB13 | SPI0 SCLK | SPI_DEV(0) SCLK | | |
| PB14 | SPI0 MISO | SPI_DEV(0) MISO | | |
| PB15 | SPI0 MOSI | SPI_DEV(0) MOSI | | |
| PC0 | ADC01_IN10 | ADC_LINE(3) | | |
| PC1 | ADC01_IN11 | ADC_LINE(4) | | |
| PC2 | ADC01_IN12 | ADC_LINE(5) | | |
| PC3 | ADC01_IN13 | ADC_LINE(6) | | |
| PC4 | ADC01_IN14 | ADC_LINE(7) | | |
| PC5 | ADC01_IN15 | ADC_LINE(8) | | |
| PC13 | | BTN1 | KEY2 | |
| - | ADC01_IN16 | ADC_LINE(9) | | internal Temperature channel |
| - | ADC01_IN17 | ADC_LINE(10) | | internal VFEF channel |
## Flashing the Device

25
boards/seeedstudio-gd32/include/periph_conf.h
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@ -1,5 +1,6 @@
/*
* Copyright (C) 2020 Koen Zandberg <koen@bergzand.net>
* 2023 Gunar Schorcht <gunar@schorcht.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
@ -14,6 +15,7 @@
* @brief Board specific definitions for the SeeedStudio GD32 RISC-V board
*
* @author Koen Zandberg <koen@bergzand.net>
* @author Gunar Schorcht <gunar@schorcht.net>
*/
#ifndef PERIPH_CONF_H
@ -45,6 +47,29 @@
extern "C" {
#endif
/**
* @name ADC configuration
* @{
*/
static const adc_conf_t adc_config[] = {
{ .pin = GPIO_PIN(PORT_A, 1), .dev = 0, .chan = 1 },
{ .pin = GPIO_PIN(PORT_A, 2), .dev = 0, .chan = 2 },
{ .pin = GPIO_PIN(PORT_A, 3), .dev = 0, .chan = 3 },
{ .pin = GPIO_PIN(PORT_C, 0), .dev = 0, .chan = 10 },
{ .pin = GPIO_PIN(PORT_C, 1), .dev = 0, .chan = 11 },
{ .pin = GPIO_PIN(PORT_C, 2), .dev = 0, .chan = 12 },
{ .pin = GPIO_PIN(PORT_C, 3), .dev = 0, .chan = 13 },
{ .pin = GPIO_PIN(PORT_C, 4), .dev = 0, .chan = 14 },
{ .pin = GPIO_PIN(PORT_C, 5), .dev = 0, .chan = 15 },
/* ADC Temperature channel */
{ .pin = GPIO_UNDEF, .dev = 0, .chan = 16 },
/* ADC VREF channel */
{ .pin = GPIO_UNDEF, .dev = 0, .chan = 17 },
};
#define ADC_NUMOF ARRAY_SIZE(adc_config)
/** @} */
/**
* @name PWM configuration
* @{