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https://github.com/RIOT-OS/RIOT.git
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294 lines
7.3 KiB
C
294 lines
7.3 KiB
C
/*
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* Copyright (C) 2020 Scallog
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*
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* This file is subject to the terms and conditions of the GNU Lesser
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* General Public License v2.1. See the file LICENSE in the top level
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* directory for more details.
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*/
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/**
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* @ingroup boards_olimexino-stm32
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* @{
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*
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* @file
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* @brief Peripheral MCU configuration for the OLIMEXINO STM32 board
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*
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* @author Corentin Vigourt <cvigourt@scallog.com>
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*/
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#ifndef PERIPH_CONF_H
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#define PERIPH_CONF_H
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#include "periph_cpu.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* @name Clock settings
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*
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* @note This is auto-generated from
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* `cpu/stm32_common/dist/clk_conf/clk_conf.c`
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* @{
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*/
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/* give the target core clock (HCLK) frequency [in Hz],
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* maximum: 72MHz */
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#define CLOCK_CORECLOCK (72000000U)
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/* 0: no external high speed crystal available
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* else: actual crystal frequency [in Hz] */
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#define CLOCK_HSE (8000000U)
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/* 0: no external low speed crystal available,
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* 1: external crystal available (always 32.768kHz) */
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#define CLOCK_LSE (1)
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/* peripheral clock setup */
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#define CLOCK_AHB_DIV RCC_CFGR_HPRE_DIV1
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#define CLOCK_AHB (CLOCK_CORECLOCK / 1)
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#define CLOCK_APB1_DIV RCC_CFGR_PPRE1_DIV2 /* max 36MHz */
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#define CLOCK_APB1 (CLOCK_CORECLOCK / 2)
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#define CLOCK_APB2_DIV RCC_CFGR_PPRE2_DIV1 /* max 72MHz */
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#define CLOCK_APB2 (CLOCK_CORECLOCK / 1)
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/* PLL factors */
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#define CLOCK_PLL_PREDIV (1)
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#define CLOCK_PLL_MUL (9)
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/** @} */
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/**
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* @name ADC configuration
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* @{
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*/
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#define ADC_CONFIG { \
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{ GPIO_PIN(PORT_C, 0), 0, 10 }, \
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{ GPIO_PIN(PORT_C, 1), 0, 11 }, \
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{ GPIO_PIN(PORT_C, 2), 0, 12 }, \
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{ GPIO_PIN(PORT_C, 3), 0, 13 }, \
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{ GPIO_PIN(PORT_C, 4), 0, 14 }, \
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{ GPIO_PIN(PORT_C, 5), 0, 15 } \
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}
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#define ADC_NUMOF (6)
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/** @} */
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/**
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* @name PWM configuration
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* @{
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*/
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static const pwm_conf_t pwm_config[] = {
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{
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.dev = TIM1,
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.rcc_mask = RCC_APB2ENR_TIM1EN,
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.chan = { { .pin = GPIO_PIN(PORT_A, 8), .cc_chan = 0 },
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{ .pin = GPIO_PIN(PORT_A, 9), .cc_chan = 1 },
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{ .pin = GPIO_PIN(PORT_A, 10), .cc_chan = 2 },
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{ .pin = GPIO_PIN(PORT_A, 11), .cc_chan = 3 } },
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.af = GPIO_AF_OUT_PP,
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.bus = APB2
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},
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{
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.dev = TIM2,
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.rcc_mask = RCC_APB1ENR_TIM2EN,
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.chan = { { .pin = GPIO_PIN(PORT_A, 0), .cc_chan = 0 },
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{ .pin = GPIO_PIN(PORT_A, 1), .cc_chan = 1 },
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{ .pin = GPIO_PIN(PORT_A, 2), .cc_chan = 2 },
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{ .pin = GPIO_PIN(PORT_A, 3), .cc_chan = 3 } },
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.af = GPIO_AF_OUT_PP,
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.bus = APB1
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},
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{
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.dev = TIM3,
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.rcc_mask = RCC_APB1ENR_TIM3EN,
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.chan = { { .pin = GPIO_PIN(PORT_A, 6), .cc_chan = 0 },
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{ .pin = GPIO_PIN(PORT_A, 7), .cc_chan = 1 },
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{ .pin = GPIO_PIN(PORT_B, 0), .cc_chan = 2 },
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{ .pin = GPIO_PIN(PORT_B, 1), .cc_chan = 3 } },
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.af = GPIO_AF_OUT_PP,
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.bus = APB1
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},
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{
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.dev = TIM4,
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.rcc_mask = RCC_APB1ENR_TIM4EN,
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.chan = { { .pin = GPIO_PIN(PORT_B, 6), .cc_chan = 0 },
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{ .pin = GPIO_PIN(PORT_B, 7), .cc_chan = 1 },
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{ .pin = GPIO_PIN(PORT_B, 8), .cc_chan = 2 },
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{ .pin = GPIO_PIN(PORT_B, 9), .cc_chan = 3 } },
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.af = GPIO_AF_OUT_PP,
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.bus = APB1
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}
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};
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#define PWM_NUMOF ARRAY_SIZE(pwm_config)
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/** @} */
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/**
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* @name Timer configuration
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* @{
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*/
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static const timer_conf_t timer_config[] = {
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{
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.dev = TIM2,
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.max = 0x0000ffff,
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.rcc_mask = RCC_APB1ENR_TIM2EN,
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.bus = APB1,
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.irqn = TIM2_IRQn
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},
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{
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.dev = TIM3,
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.max = 0x0000ffff,
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.rcc_mask = RCC_APB1ENR_TIM3EN,
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.bus = APB1,
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.irqn = TIM3_IRQn
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},
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{
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.dev = TIM4,
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.max = 0x0000ffff,
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.rcc_mask = RCC_APB1ENR_TIM4EN,
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.bus = APB1,
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.irqn = TIM4_IRQn
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}
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};
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#define TIMER_0_ISR isr_tim2
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#define TIMER_1_ISR isr_tim3
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#define TIMER_2_ISR isr_tim4
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#define TIMER_NUMOF ARRAY_SIZE(timer_config)
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/** @} */
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/**
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* @name UART configuration
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* @{
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*/
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static const uart_conf_t uart_config[] = {
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{
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.dev = USART2,
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.rcc_mask = RCC_APB1ENR_USART2EN,
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.rx_pin = GPIO_PIN(PORT_A, 3),
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.tx_pin = GPIO_PIN(PORT_A, 2),
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.bus = APB1,
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.irqn = USART2_IRQn
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},
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{
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.dev = USART1,
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.rcc_mask = RCC_APB2ENR_USART1EN,
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.rx_pin = GPIO_PIN(PORT_A, 10),
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.tx_pin = GPIO_PIN(PORT_A, 9),
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.bus = APB2,
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.irqn = USART1_IRQn
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},
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{
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.dev = USART3,
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.rcc_mask = RCC_APB1ENR_USART3EN,
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.rx_pin = GPIO_PIN(PORT_B, 11),
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.tx_pin = GPIO_PIN(PORT_B, 10),
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.bus = APB1,
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.irqn = USART3_IRQn
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}
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};
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#define UART_0_ISR (isr_usart2)
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#define UART_1_ISR (isr_usart1)
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#define UART_2_ISR (isr_usart3)
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#define UART_NUMOF ARRAY_SIZE(uart_config)
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/** @} */
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/**
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* @name Real time counter configuration
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* @{
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*/
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#ifndef RTT_FREQUENCY
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#define RTT_FREQUENCY (16384) /* in Hz */
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#endif
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/** @} */
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/**
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* @name I2C configuration
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* @note This board may require external pullup resistors for i2c operation.
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* @{
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*/
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static const i2c_conf_t i2c_config[] = {
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{
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.dev = I2C1,
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.speed = I2C_SPEED_NORMAL,
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.scl_pin = GPIO_PIN(PORT_B, 8),
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.sda_pin = GPIO_PIN(PORT_B, 9),
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.bus = APB1,
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.rcc_mask = RCC_APB1ENR_I2C1EN,
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.clk = CLOCK_APB1,
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.irqn = I2C1_EV_IRQn
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},
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{
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.dev = I2C2,
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.speed = I2C_SPEED_NORMAL,
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.scl_pin = GPIO_PIN(PORT_B, 10),
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.sda_pin = GPIO_PIN(PORT_B, 11),
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.bus = APB1,
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.rcc_mask = RCC_APB1ENR_I2C2EN,
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.clk = CLOCK_APB1,
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.irqn = I2C2_EV_IRQn
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}
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};
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#define I2C_0_ISR isr_i2c1_ev
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#define I2C_1_ISR isr_i2c2_ev
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#define I2C_NUMOF ARRAY_SIZE(i2c_config)
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/** @} */
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/**
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* @name SPI configuration
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*
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* @note The spi_divtable is auto-generated from
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* `cpu/stm32_common/dist/spi_divtable/spi_divtable.c`
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* @{
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*/
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static const uint8_t spi_divtable[2][5] = {
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{ /* for APB1 @ 36000000Hz */
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7, /* -> 140625Hz */
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6, /* -> 281250Hz */
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4, /* -> 1125000Hz */
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2, /* -> 4500000Hz */
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1 /* -> 9000000Hz */
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},
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{ /* for APB2 @ 72000000Hz */
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7, /* -> 281250Hz */
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7, /* -> 281250Hz */
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5, /* -> 1125000Hz */
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3, /* -> 4500000Hz */
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2 /* -> 9000000Hz */
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}
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};
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static const spi_conf_t spi_config[] = {
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{
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.dev = SPI1,
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.mosi_pin = GPIO_PIN(PORT_A, 7),
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.miso_pin = GPIO_PIN(PORT_A, 6),
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.sclk_pin = GPIO_PIN(PORT_A, 5),
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.cs_pin = GPIO_UNDEF,
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.rccmask = RCC_APB2ENR_SPI1EN,
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.apbbus = APB2
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},
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{
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.dev = SPI2,
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.mosi_pin = GPIO_PIN(PORT_B, 15),
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.miso_pin = GPIO_PIN(PORT_B, 14),
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.sclk_pin = GPIO_PIN(PORT_B, 13),
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.cs_pin = GPIO_UNDEF,
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.rccmask = RCC_APB1ENR_SPI2EN,
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.apbbus = APB1
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}
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};
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#define SPI_NUMOF ARRAY_SIZE(spi_config)
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/** @} */
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#ifdef __cplusplus
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}
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#endif
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#endif /* PERIPH_CONF_H */
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/** @} */
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