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/*
* Copyright (C) 2014 Freie Universitรคt Berlin
*
* 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 boards_stm32f3discovery
* @{
*
* @file
* @brief Peripheral MCU configuration for the STM32F3discovery board
*
* @author Hauke Petersen <hauke.petersen@fu-berlin.de>
*/
#ifndef PERIPH_CONF_H_
#define PERIPH_CONF_H_
#include "periph_cpu.h"
#ifdef __cplusplus
extern "C" {
#endif
/**
* @name Clock system configuration
* @{
*/
#define CLOCK_HSE (8000000U) /* external oscillator */
#define CLOCK_CORECLOCK (72000000U) /* desired core clock frequency */
/* the actual PLL values are automatically generated */
#define CLOCK_PLL_MUL (CLOCK_CORECLOCK / CLOCK_HSE)
#define CLOCK_AHB_DIV RCC_CFGR_HPRE_DIV1
#define CLOCK_APB2_DIV RCC_CFGR_PPRE2_DIV1
#define CLOCK_APB1_DIV RCC_CFGR_PPRE1_DIV2
#define CLOCK_FLASH_LATENCY FLASH_ACR_LATENCY_2
/* bus clocks for simplified peripheral initialization, UPDATE MANUALLY! */
#define CLOCK_AHB (CLOCK_CORECLOCK / 1)
#define CLOCK_APB2 (CLOCK_CORECLOCK / 1)
#define CLOCK_APB1 (CLOCK_CORECLOCK / 2)
/** @} */
/**
* @brief DAC configuration
* @{
*/
#define DAC_CONFIG { \
{ GPIO_PIN(PORT_A, 4), 0, 0 }, \
}
#define DAC_NUMOF (1)
/** @} */
/**
* @brief Timer configuration
* @{
*/
static const timer_conf_t timer_config[] = {
{
.dev = TIM2,
.max = 0xffffffff,
.rcc_mask = RCC_APB1ENR_TIM2EN,
.bus = APB1,
.irqn = TIM2_IRQn
}
};
#define TIMER_0_ISR isr_tim2
#define TIMER_NUMOF (sizeof(timer_config) / sizeof(timer_config[0]))
/** @} */
/**
* @brief UART configuration
* @{
*/
#define UART_NUMOF (3U)
#define UART_0_EN 1
#define UART_1_EN 1
#define UART_2_EN 1
#define UART_IRQ_PRIO 1
/* UART 0 device configuration */
#define UART_0_DEV USART1
#define UART_0_CLKEN() (periph_clk_en(APB2, RCC_APB2ENR_USART1EN))
#define UART_0_CLK (CLOCK_CORECLOCK / 1) /* UART clock runs with 72MHz (F_CPU / 1) */
#define UART_0_IRQ_CHAN USART1_IRQn
#define UART_0_ISR isr_usart1
/* UART 0 pin configuration */
#define UART_0_PORT_CLKEN() (periph_clk_en(AHB, RCC_AHBENR_GPIOAEN))
#define UART_0_PORT GPIOA
#define UART_0_TX_PIN 9
#define UART_0_RX_PIN 10
#define UART_0_AF 7
/* UART 1 device configuration */
#define UART_1_DEV USART2
#define UART_1_CLKEN() (periph_clk_en(APB1, RCC_APB1ENR_USART2EN))
#define UART_1_CLK (CLOCK_CORECLOCK / 2) /* UART clock runs with 36MHz (F_CPU / 2) */
#define UART_1_IRQ_CHAN USART2_IRQn
#define UART_1_ISR isr_usart2
/* UART 1 pin configuration */
#define UART_1_PORT_CLKEN() (periph_clk_en(AHB, RCC_AHBENR_GPIODEN))
#define UART_1_PORT GPIOD
#define UART_1_TX_PIN 5
#define UART_1_RX_PIN 6
#define UART_1_AF 7
/* UART 1 device configuration */
#define UART_2_DEV USART3
#define UART_2_CLKEN() (periph_clk_en(APB1, RCC_APB1ENR_USART3EN))
#define UART_2_CLK (CLOCK_CORECLOCK / 2) /* UART clock runs with 36MHz (F_CPU / 2) */
#define UART_2_IRQ_CHAN USART3_IRQn
#define UART_2_ISR isr_usart3
/* UART 1 pin configuration */
#define UART_2_PORT_CLKEN() (periph_clk_en(AHB, RCC_AHBENR_GPIODEN))
#define UART_2_PORT GPIOD
#define UART_2_TX_PIN 8
#define UART_2_RX_PIN 9
#define UART_2_AF 7
/** @} */
/**
* @brief PWM configuration
* @{
*/
static const pwm_conf_t pwm_config[] = {
{
.dev = TIM3,
.rcc_mask = RCC_APB1ENR_TIM3EN,
.pins = { GPIO_PIN(PORT_C, 6), GPIO_PIN(PORT_C, 7),
GPIO_PIN(PORT_C, 8), GPIO_PIN(PORT_C, 9) },
.af = GPIO_AF2,
.chan = 4,
.bus = APB1
},
{
.dev = TIM4,
.rcc_mask = RCC_APB1ENR_TIM4EN,
.pins = { GPIO_PIN(PORT_D, 12), GPIO_PIN(PORT_D, 13),
GPIO_PIN(PORT_D, 14), GPIO_PIN(PORT_D, 15) },
.af = GPIO_AF2,
.chan = 4,
.bus = APB1
}
};
#define PWM_NUMOF (sizeof(pwm_config) / sizeof(pwm_config[0]))
/** @} */
/**
* @name SPI configuration
* @{
*/
#define SPI_NUMOF (2U)
#define SPI_0_EN 1
#define SPI_1_EN 1
#define SPI_IRQ_PRIO 1
/* SPI 0 device config */
#define SPI_0_DEV SPI1
#define SPI_0_CLKEN() (periph_clk_en(APB2, RCC_APB2ENR_SPI1EN))
#define SPI_0_CLKDIS() (periph_clk_dis(APB2, RCC_APB2ENR_SPI1EN))
#define SPI_0_IRQ SPI1_IRQn
#define SPI_0_IRQ_HANDLER isr_spi1
/* SPI 0 pin configuration */
#define SPI_0_SCK_PORT GPIOA
#define SPI_0_SCK_PIN 5
#define SPI_0_SCK_AF 5
#define SPI_0_SCK_PORT_CLKEN() (periph_clk_en(AHB, RCC_AHBENR_GPIOAEN))
#define SPI_0_MISO_PORT GPIOA
#define SPI_0_MISO_PIN 6
#define SPI_0_MISO_AF 5
#define SPI_0_MISO_PORT_CLKEN() (periph_clk_en(AHB, RCC_AHBENR_GPIOAEN))
#define SPI_0_MOSI_PORT GPIOA
#define SPI_0_MOSI_PIN 7
#define SPI_0_MOSI_AF 5
#define SPI_0_MOSI_PORT_CLKEN() (periph_clk_en(AHB, RCC_AHBENR_GPIOAEN))
/* SPI 1 device config */
#define SPI_1_DEV SPI3
#define SPI_1_CLKEN() (periph_clk_en(APB1, RCC_APB1ENR_SPI3EN))
#define SPI_1_CLKDIS() (periph_clk_dis(APB1, RCC_APB1ENR_SPI3EN))
#define SPI_1_IRQ SPI3_IRQn
#define SPI_1_IRQ_HANDLER isr_spi3
/* SPI 1 pin configuration */
#define SPI_1_SCK_PORT GPIOC
#define SPI_1_SCK_PIN 10
#define SPI_1_SCK_AF 6
#define SPI_1_SCK_PORT_CLKEN() (periph_clk_en(AHB, RCC_AHBENR_GPIOCEN))
#define SPI_1_MISO_PORT GPIOC
#define SPI_1_MISO_PIN 11
#define SPI_1_MISO_AF 6
#define SPI_1_MISO_PORT_CLKEN() (periph_clk_en(AHB, RCC_AHBENR_GPIOCEN))
#define SPI_1_MOSI_PORT GPIOC
#define SPI_1_MOSI_PIN 12
#define SPI_1_MOSI_AF 6
#define SPI_1_MOSI_PORT_CLKEN() (periph_clk_en(AHB, RCC_AHBENR_GPIOCEN))
/** @} */
/**
* @name I2C configuration
* @{
*/
#define I2C_NUMOF (2U)
#define I2C_0_EN 1
#define I2C_1_EN 1
#define I2C_IRQ_PRIO 1
#define I2C_APBCLK (36000000U)
/* I2C 0 device configuration */
#define I2C_0_DEV I2C1
#define I2C_0_CLKEN() (periph_clk_en(APB1, RCC_APB1ENR_I2C1EN))
#define I2C_0_CLKDIS() (periph_clk_dis(APB1, RCC_APB1ENR_I2C1EN))
#define I2C_0_EVT_IRQ I2C1_EV_IRQn
#define I2C_0_EVT_ISR isr_i2c1_ev
#define I2C_0_ERR_IRQ I2C1_ER_IRQn
#define I2C_0_ERR_ISR isr_i2c1_er
/* I2C 0 pin configuration */
#define I2C_0_SCL_PORT GPIOB
#define I2C_0_SCL_PIN 6
#define I2C_0_SCL_AF 4
#define I2C_0_SCL_CLKEN() (periph_clk_en(AHB, RCC_AHBENR_GPIOBEN))
#define I2C_0_SDA_PORT GPIOB
#define I2C_0_SDA_PIN 7
#define I2C_0_SDA_AF 4
#define I2C_0_SDA_CLKEN() (periph_clk_en(AHB, RCC_AHBENR_GPIOBEN))
/* I2C 1 device configuration */
#define I2C_1_DEV I2C2
#define I2C_1_CLKEN() (periph_clk_en(APB1, RCC_APB1ENR_I2C2EN))
#define I2C_1_CLKDIS() (periph_clk_dis(APB1, RCC_APB1ENR_I2C2EN))
#define I2C_1_EVT_IRQ I2C2_EV_IRQn
#define I2C_1_EVT_ISR isr_i2c2_ev
#define I2C_1_ERR_IRQ I2C2_ER_IRQn
#define I2C_1_ERR_ISR isr_i2c2_er
/* I2C 1 pin configuration */
#define I2C_1_SCL_PORT GPIOF
#define I2C_1_SCL_PIN 1
#define I2C_1_SCL_AF 4
#define I2C_1_SCL_CLKEN() (periph_clk_en(AHB, RCC_AHBENR_GPIOFEN))
#define I2C_1_SDA_PORT GPIOF
#define I2C_1_SDA_PIN 0
#define I2C_1_SDA_AF 4
#define I2C_1_SDA_CLKEN() (periph_clk_en(AHB, RCC_AHBENR_GPIOFEN))
/** @} */
#ifdef __cplusplus
}
#endif
#endif /* PERIPH_CONF_H_ */
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