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https://github.com/RIOT-OS/RIOT.git
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179 lines
4.2 KiB
C
179 lines
4.2 KiB
C
/*
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* Copyright (C) 2014 Freie Universität Berlin
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*
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* This file is subject to the terms and conditions of the GNU Lesser General
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* Public License v2.1. See the file LICENSE in the top level directory for more
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* details.
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*/
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/**
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* @ingroup boards_stm32f0discovery
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* @{
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*
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* @file
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* @brief Peripheral MCU configuration for the STM32F0discovery board
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*
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* @author Hauke Petersen <hauke.petersen@fu-berlin.de>
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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: 48MHz */
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#define CLOCK_CORECLOCK (48000000U)
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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 (0)
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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_PPRE_DIV1 /* max 48MHz */
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#define CLOCK_APB1 (CLOCK_CORECLOCK / 1)
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#define CLOCK_APB2 (CLOCK_APB1)
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/* PLL factors */
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#define CLOCK_PLL_PREDIV (1)
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#define CLOCK_PLL_MUL (6)
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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 = 0xffffffff,
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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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#define TIMER_0_ISR isr_tim2
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#define TIMER_NUMOF (sizeof(timer_config) / sizeof(timer_config[0]))
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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 = USART1,
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.rcc_mask = RCC_APB2ENR_USART1EN,
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.rx_pin = GPIO_PIN(PORT_B, 7),
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.tx_pin = GPIO_PIN(PORT_B, 6),
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.rx_af = GPIO_AF0,
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.tx_af = GPIO_AF0,
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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 = 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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.rx_af = GPIO_AF1,
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.tx_af = GPIO_AF1,
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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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#define UART_0_ISR (isr_usart1)
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#define UART_1_ISR (isr_usart2)
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#define UART_NUMOF (sizeof(uart_config) / sizeof(uart_config[0]))
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/** @} */
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/**
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* @name ADC configuration
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*
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* We need to configure the following values:
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* [ pin, channel ]
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* @{
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*/
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#define ADC_CONFIG { \
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{ GPIO_PIN(PORT_C, 0), 10 },\
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{ GPIO_PIN(PORT_C, 1), 11 },\
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{ GPIO_PIN(PORT_C, 2), 12 },\
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{ GPIO_PIN(PORT_C, 3), 13 },\
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{ GPIO_PIN(PORT_C, 4), 14 },\
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{ GPIO_PIN(PORT_C, 5), 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 SPI configuration
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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 @ 48000000Hz */
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7, /* -> 187500Hz */
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6, /* -> 375000Hz */
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5, /* -> 750000Hz */
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2, /* -> 6000000Hz */
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1 /* -> 12000000Hz */
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},
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{ /* for APB2 @ 48000000Hz */
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7, /* -> 187500Hz */
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6, /* -> 375000Hz */
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5, /* -> 750000Hz */
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2, /* -> 6000000Hz */
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1 /* -> 12000000Hz */
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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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.af = GPIO_AF0,
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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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.af = GPIO_AF0,
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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 (sizeof(spi_config) / sizeof(spi_config[0]))
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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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