RIOT/boards/msbiot/include/periph_conf.h

/*
 * Copyright (C) 2014 Freie Universität 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_msbiot
 * @{
 *
 * @file
 * @name        Peripheral MCU configuration for the MSB-IoT board
 *
 * @author      Fabian Nack <nack@inf.fu-berlin.de>
 */

#ifndef PERIPH_CONF_H
#define PERIPH_CONF_H

/* This board provides an HSE */
#ifndef CONFIG_BOARD_HAS_HSE
#define CONFIG_BOARD_HAS_HSE    1
#endif

/* The HSE provides a 16MHz clock */
#ifndef CONFIG_CLOCK_HSE
#define CONFIG_CLOCK_HSE               MHZ(16)
#endif

#include "periph_cpu.h"
#include "clk_conf.h"

#ifdef __cplusplus
extern "C" {
#endif

/**
 * @name    DMA streams configuration
 * @{
 */
static const dma_conf_t dma_config[] = {
    { .stream = 11 },   /* DMA2 Stream 3 - SPI1_TX */
    { .stream = 10 },   /* DMA2 Stream 2 - SPI1_RX */
};

#define DMA_0_ISR           isr_dma2_stream3
#define DMA_1_ISR           isr_dma2_stream2

#define DMA_NUMOF           ARRAY_SIZE(dma_config)
/** @} */

/**
 * @name    Timer configuration
 * @{
 */
static const timer_conf_t timer_config[] = {
    {
        .dev      = TIM2,
        .max      = 0xffffffff,
        .rcc_mask = RCC_APB1ENR_TIM2EN,
        .bus      = APB1,
        .irqn     = TIM2_IRQn
    },
    {
        .dev      = TIM5,
        .max      = 0xffffffff,
        .rcc_mask = RCC_APB1ENR_TIM5EN,
        .bus      = APB1,
        .irqn     = TIM5_IRQn
    }
};

#define TIMER_0_ISR         isr_tim2
#define TIMER_1_ISR         isr_tim5

#define TIMER_NUMOF         ARRAY_SIZE(timer_config)
/** @} */

/**
 * @name    PWM configuration
 * @{
 */
static const pwm_conf_t pwm_config[] = {
    {
        .dev      = TIM11,
        .rcc_mask = RCC_APB2ENR_TIM11EN,
        .chan     = { { .pin = GPIO_PIN(PORT_B, 9), .cc_chan = 0 },
                      { .pin = GPIO_UNDEF, .cc_chan = 0 },
                      { .pin = GPIO_UNDEF, .cc_chan = 0 },
                      { .pin = GPIO_UNDEF, .cc_chan = 0 } },
        .af       = GPIO_AF3,
        .bus      = APB2
    }
};

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

/**
 * @name    ADC configuration
 *
 * We need to define the following fields:
 * PIN, device (ADCx), channel
 * @{
 */
static const adc_conf_t adc_config[] = {
    {GPIO_PIN(PORT_B, 0), 0, 8},
    {GPIO_PIN(PORT_B, 1), 0, 9},
    {GPIO_UNDEF, 0, 18}, /* VBAT */
};

#define VBAT_ADC            ADC_LINE(2) /**< VBAT ADC line */
#define ADC_NUMOF           ARRAY_SIZE(adc_config)
/** @} */

/**
 * @name   DAC configuration
 * @{
 */
static const dac_conf_t dac_config[] = {
    { .pin = GPIO_PIN(PORT_A,  4), .chan = 0 },
    { .pin = GPIO_PIN(PORT_A,  5), .chan = 1 }
};

#define DAC_NUMOF           ARRAY_SIZE(dac_config)
/** @} */

/**
 * @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 MODULE_PERIPH_DMA
        .dma        = DMA_STREAM_UNDEF,
        .dma_chan   = UINT8_MAX,
#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 MODULE_PERIPH_DMA
        .dma        = DMA_STREAM_UNDEF,
        .dma_chan   = UINT8_MAX,
#endif
    },
    {
        .dev        = USART3,
        .rcc_mask   = RCC_APB1ENR_USART3EN,
        .rx_pin     = GPIO_PIN(PORT_D, 9),
        .tx_pin     = GPIO_PIN(PORT_D, 8),
        .rx_af      = GPIO_AF7,
        .tx_af      = GPIO_AF7,
        .bus        = APB1,
        .irqn       = USART3_IRQn,
#ifdef MODULE_PERIPH_DMA
        .dma        = DMA_STREAM_UNDEF,
        .dma_chan   = UINT8_MAX,
#endif
    },
};

/* assign ISR vector names */
#define UART_0_ISR          (isr_usart2)
#define UART_1_ISR          (isr_usart1)
#define UART_2_ISR          (isr_usart3)

/* deduct number of defined UART interfaces */
#define UART_NUMOF          ARRAY_SIZE(uart_config)
/** @} */

/**
 * @name    SPI configuration
 * @{
 */
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),
        .mosi_af        = GPIO_AF5,
        .miso_af        = GPIO_AF5,
        .sclk_af        = GPIO_AF5,
        .cs_af          = GPIO_AF5,
        .rccmask        = RCC_APB2ENR_SPI1EN,
        .apbbus         = APB2,
#ifdef MODULE_PERIPH_DMA
        .tx_dma         = 0,
        .tx_dma_chan    = 3,
        .rx_dma         = 1,
        .rx_dma_chan    = 3,
#endif
    }
};

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

/**
 * @name    I2C configuration
 * @{
 */
static const i2c_conf_t i2c_config[] = {
    {
        .dev            = I2C1,
        .speed          = I2C_SPEED_NORMAL,
        .scl_pin        = GPIO_PIN(PORT_B, 6),
        .sda_pin        = GPIO_PIN(PORT_B, 7),
        .scl_af         = GPIO_AF4,
        .sda_af         = GPIO_AF4,
        .bus            = APB1,
        .rcc_mask       = RCC_APB1ENR_I2C1EN,
        .clk            = CLOCK_APB1,
        .irqn           = I2C1_EV_IRQn
    }
};

#define I2C_0_ISR           isr_i2c1_ev

#define I2C_NUMOF           ARRAY_SIZE(i2c_config)
/** @} */

#ifdef __cplusplus
}
#endif

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