RIOT/boards/nucleo-f401re/include/periph_conf.h

/*
 * Copyright (C) 2015 Lari Lehtomäki
 *
 * 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-f401re
 * @{
 *
 * @file
 * @name        Peripheral MCU configuration for the nucleo-f401re board
 *
 * @author      Lari Lehtomäki <lari@lehtomaki.fi>
 */

#ifndef PERIPH_CONF_H
#define PERIPH_CONF_H

#include "periph_cpu.h"
#include "f4/cfg_clock_84_8_1.h"
#include "cfg_i2c1_pb8_pb9.h"
#include "cfg_timer_tim5.h"

#ifdef __cplusplus
extern "C" {
#endif

/**
 * @name   UART configuration
 * @{
 */
static const uart_conf_t uart_config[] = {
    {
        .dev        = USART2,
        .rcc_mask   = RCC_APB1ENR_USART2EN,
        .rx_pin     = GPIO_PIN(PORT_A, 3),
        .tx_pin     = GPIO_PIN(PORT_A, 2),
        .rx_af      = GPIO_AF7,
        .tx_af      = GPIO_AF7,
        .bus        = APB1,
        .irqn       = USART2_IRQn,
#ifdef UART_USE_DMA
        .dma_stream = 6,
        .dma_chan   = 4
#endif
    },
    {
        .dev        = USART1,
        .rcc_mask   = RCC_APB2ENR_USART1EN,
        .rx_pin     = GPIO_PIN(PORT_A, 10),
        .tx_pin     = GPIO_PIN(PORT_A, 9),
        .rx_af      = GPIO_AF7,
        .tx_af      = GPIO_AF7,
        .bus        = APB2,
        .irqn       = USART1_IRQn,
#ifdef UART_USE_DMA
        .dma_stream = 6,
        .dma_chan   = 4
#endif
    },
    {
        .dev        = USART6,
        .rcc_mask   = RCC_APB2ENR_USART6EN,
        .rx_pin     = GPIO_PIN(PORT_A, 12),
        .tx_pin     = GPIO_PIN(PORT_A, 11),
        .rx_af      = GPIO_AF8,
        .tx_af      = GPIO_AF8,
        .bus        = APB2,
        .irqn       = USART6_IRQn,
#ifdef UART_USE_DMA
        .dma_stream = 6,
        .dma_chan   = 4
#endif
    }
};

#define UART_0_ISR          (isr_usart2)
#define UART_0_DMA_ISR      (isr_dma1_stream6)
#define UART_1_ISR          (isr_usart1)
#define UART_1_DMA_ISR      (isr_dma1_stream6)
#define UART_2_ISR          (isr_usart6)
#define UART_2_DMA_ISR      (isr_dma1_stream6)

#define UART_NUMOF          ARRAY_SIZE(uart_config)
/** @} */

/**
 * @name    PWM configuration
 * @{
 */
static const pwm_conf_t pwm_config[] = {
    {
        .dev      = TIM2,
        .rcc_mask = RCC_APB1ENR_TIM2EN,
        .chan     = { { .pin = GPIO_PIN(PORT_A, 15)         , .cc_chan = 0 },
                      { .pin = GPIO_PIN(PORT_B, 3)  /* D3 */, .cc_chan = 1 },
                      { .pin = GPIO_PIN(PORT_B, 10) /* D6 */, .cc_chan = 2 },
                      { .pin = GPIO_UNDEF,                    .cc_chan = 0 } },
        .af       = GPIO_AF1,
        .bus      = APB1
    },
};

#define PWM_NUMOF           ARRAY_SIZE(pwm_config)
/** @} */

/**
 * @name    QDEC configuration
 * @{
 */
static const qdec_conf_t qdec_config[] = {
    {
        .dev      = TIM3,
        .max      = 0xffffffff,
        .rcc_mask = RCC_APB1ENR_TIM3EN,
        .chan     = { { .pin = GPIO_PIN(PORT_A, 6),             .cc_chan = 0 },
                      { .pin = GPIO_PIN(PORT_A, 7),             .cc_chan = 1 } },
        .af       = GPIO_AF2,
        .bus      = APB1,
        .irqn     = TIM3_IRQn
    },
    {
        .dev      = TIM4,
        .max      = 0xffffffff,
        .rcc_mask = RCC_APB1ENR_TIM4EN,
        .chan     = { { .pin = GPIO_PIN(PORT_B, 6),             .cc_chan = 0 },
                      { .pin = GPIO_PIN(PORT_B, 7),             .cc_chan = 1 } },
        .af       = GPIO_AF2,
        .bus      = APB1,
        .irqn     = TIM4_IRQn
    },
};

#define QDEC_0_ISR         isr_tim3
#define QDEC_1_ISR         isr_tim4

#define QDEC_NUMOF           ARRAY_SIZE(qdec_config)
/** @} */

/**
 * @name   SPI configuration
 *
 * @note    The spi_divtable is auto-generated from
 *          `cpu/stm32_common/dist/spi_divtable/spi_divtable.c`
 * @{
 */
static const uint8_t spi_divtable[2][5] = {
    {       /* for APB1 @ 42000000Hz */
        7,  /* -> 164062Hz */
        6,  /* -> 328125Hz */
        4,  /* -> 1312500Hz */
        2,  /* -> 5250000Hz */
        1   /* -> 10500000Hz */
    },
    {       /* for APB2 @ 84000000Hz */
        7,  /* -> 328125Hz */
        7,  /* -> 328125Hz */
        5,  /* -> 1312500Hz */
        3,  /* -> 5250000Hz */
        2   /* -> 10500000Hz */
    }
};

static const spi_conf_t spi_config[] = {
    {
        .dev      = SPI1,
        .mosi_pin = GPIO_PIN(PORT_A, 7),
        .miso_pin = GPIO_PIN(PORT_A, 6),
        .sclk_pin = GPIO_PIN(PORT_A, 5),
        .cs_pin   = GPIO_PIN(PORT_A, 4),
        .af       = GPIO_AF5,
        .rccmask  = RCC_APB2ENR_SPI1EN,
        .apbbus   = APB2
    },
    {
        .dev      = SPI2,
        .mosi_pin = GPIO_PIN(PORT_B, 15),
        .miso_pin = GPIO_PIN(PORT_B, 14),
        .sclk_pin = GPIO_PIN(PORT_B, 13),
        .cs_pin   = GPIO_PIN(PORT_B, 12),
        .af       = GPIO_AF5,
        .rccmask  = RCC_APB1ENR_SPI2EN,
        .apbbus   = APB1
    },
    {
        .dev      = SPI3,
        .mosi_pin = GPIO_PIN(PORT_C, 12),
        .miso_pin = GPIO_PIN(PORT_C, 11),
        .sclk_pin = GPIO_PIN(PORT_C, 10),
        .cs_pin   = GPIO_UNDEF,
        .af       = GPIO_AF6,
        .rccmask  = RCC_APB1ENR_SPI3EN,
        .apbbus   = APB1
    }
};

#define SPI_NUMOF           ARRAY_SIZE(spi_config)
/** @} */

/**
 * @name   ADC configuration
 *
 * Note that we do not configure all ADC channels,
 * and not in the STM32F401 order.  Instead, we
 * just define 6 ADC channels, for the Nucleo
 * Arduino header pins A0-A5
 *
 * @{
 */
#define ADC_NUMOF          (6U)
#define ADC_CONFIG {             \
    {GPIO_PIN(PORT_A, 0), 0, 0}, \
    {GPIO_PIN(PORT_A, 1), 0, 1}, \
    {GPIO_PIN(PORT_A, 4), 0, 4}, \
    {GPIO_PIN(PORT_B, 0), 0, 8}, \
    {GPIO_PIN(PORT_C, 1), 0, 11}, \
    {GPIO_PIN(PORT_C, 0), 0, 10}, \
}
/** @} */

#ifdef __cplusplus
}
#endif

#endif /* PERIPH_CONF_H */
/** @} */