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RIOT/boards/nucleo-f303/include/periph_conf.h 7.64 KB
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  /*
   * Copyright (C) 2015  Freie Universitรคt Berlin
   * Copyright (C) 2015 Hamburg University of Applied Sciences
   *
   * 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_nucleo-f303 Nucleo-F303
   * @{
   *
   * @file
   * @brief       Peripheral MCU configuration for the nucleo-f303 board
   *
   * @author      Hauke Petersen <hauke.petersen@fu-berlin.de>
   * @author      Katja Kirstein <katja.kirstein@haw-hamburg.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_1
  
  /* 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_NUMOF           (0)
  /** @} */
  
  /**
   * @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          USART2
  #define UART_0_CLKEN()      (periph_clk_en(APB1, RCC_APB1ENR_USART2EN))
  #define UART_0_CLK          (CLOCK_CORECLOCK / 2)   /* UART clock runs with 36MHz (F_CPU / 2) */
  #define UART_0_IRQ_CHAN     USART2_IRQn
  #define UART_0_ISR          isr_usart2
  /* 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       2
  #define UART_0_RX_PIN       3
  #define UART_0_AF           7
  
  /* UART 1 device configuration */
  #define UART_1_DEV          USART1
  #define UART_1_CLKEN()      (periph_clk_en(APB2, RCC_APB2ENR_USART1EN))
  #define UART_1_CLK          (CLOCK_CORECLOCK / 1)   /* UART clock runs with 72MHz (F_CPU / 1) */
  #define UART_1_IRQ_CHAN     USART1_IRQn
  #define UART_1_ISR          isr_usart1
  /* UART 1 pin configuration */
  #define UART_1_PORT_CLKEN() (periph_clk_en(AHB, RCC_AHBENR_GPIOAEN))
  #define UART_1_PORT         GPIOA
  #define UART_1_TX_PIN       9
  #define UART_1_RX_PIN       10
  #define UART_1_AF           7
  
  /* UART 2 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 2 pin configuration */
  #define UART_2_PORT_CLKEN() (periph_clk_en(AHB, RCC_AHBENR_GPIOBEN))
  #define UART_2_PORT         GPIOB
  #define UART_2_TX_PIN       10
  #define UART_2_RX_PIN       11
  #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
      }
  };
  
  #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       8
  #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       9
  #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           I2C3
  #define I2C_1_CLKEN()       (periph_clk_en(APB1, RCC_APB1ENR_I2C3EN))
  #define I2C_1_CLKDIS()      (periph_clk_dis(APB1, RCC_APB1ENR_I2C3EN))
  #define I2C_1_EVT_IRQ       I2C3_EV_IRQn
  #define I2C_1_EVT_ISR       isr_i2c3_ev
  #define I2C_1_ERR_IRQ       I2C3_ER_IRQn
  #define I2C_1_ERR_ISR       isr_i2c3_er
  /* I2C 1 pin configuration */
  #define I2C_1_SCL_PORT      GPIOA
  #define I2C_1_SCL_PIN       8
  #define I2C_1_SCL_AF        3
  #define I2C_1_SCL_CLKEN()   (periph_clk_en(AHB, RCC_AHBENR_GPIOAEN))
  #define I2C_1_SDA_PORT      GPIOB
  #define I2C_1_SDA_PIN       5
  #define I2C_1_SDA_AF        8
  #define I2C_1_SDA_CLKEN()   (periph_clk_en(AHB, RCC_AHBENR_GPIOBEN))
  /** @} */
  
  #ifdef __cplusplus
  }
  #endif
  
  #endif /* PERIPH_CONF_H_ */