/*
 * 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_stm32f4discovery
 * @{
 *
 * @file
 * @name        Peripheral MCU configuration for the STM32F4discovery board
 *
 * @author      Hauke Petersen <hauke.petersen@fu-berlin.de>
 * @author      Peter Kietzmann <peter.kietzmann@haw-hamburg.de>
 */

#ifndef PERIPH_CONF_H
#define PERIPH_CONF_H

#include "periph_cpu.h"

#ifdef __cplusplus
extern "C" {
#endif

/**
 * @name    Clock settings
 *
 * @note    This is auto-generated from
 *          `cpu/stm32_common/dist/clk_conf/clk_conf.c`
 * @{
 */
/* give the target core clock (HCLK) frequency [in Hz],
 * maximum: 168MHz */
#define CLOCK_CORECLOCK     (168000000U)
/* 0: no external high speed crystal available
 * else: actual crystal frequency [in Hz] */
#define CLOCK_HSE           (8000000U)
/* 0: no external low speed crystal available,
 * 1: external crystal available (always 32.768kHz) */
#define CLOCK_LSE           (1)
/* peripheral clock setup */
#define CLOCK_AHB_DIV       RCC_CFGR_HPRE_DIV1
#define CLOCK_AHB           (CLOCK_CORECLOCK / 1)
#define CLOCK_APB1_DIV      RCC_CFGR_PPRE1_DIV4     /* max 42MHz */
#define CLOCK_APB1          (CLOCK_CORECLOCK / 4)
#define CLOCK_APB2_DIV      RCC_CFGR_PPRE2_DIV2     /* max 84MHz */
#define CLOCK_APB2          (CLOCK_CORECLOCK / 2)

/* Main PLL factors */
#define CLOCK_PLL_M          (4)
#define CLOCK_PLL_N          (168)
#define CLOCK_PLL_P          (2)
#define CLOCK_PLL_Q          (7)
/** @} */

/**
 * @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         (sizeof(timer_config) / sizeof(timer_config[0]))
/** @} */

/**
 * @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        = 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 UART_USE_DMA
        .dma_stream = 3,
        .dma_chan   = 4
#endif
    }
};

#define UART_0_ISR          (isr_usart2)
#define UART_0_DMA_ISR      (isr_dma1_stream6)
#define UART_1_ISR          (isr_usart3)
#define UART_1_DMA_ISR      (isr_dma1_stream3)

#define UART_NUMOF          (sizeof(uart_config) / sizeof(uart_config[0]))
/** @} */

/**
 * @name   ADC configuration
 *
 * We need to define the following fields:
 * PIN, device (ADCx), channel
 * @{
 */
#define ADC_CONFIG {              \
    {GPIO_PIN(PORT_A, 1), 0, 1},  \
    {GPIO_PIN(PORT_A, 4), 0, 4},  \
    {GPIO_PIN(PORT_C, 1), 1, 11}, \
    {GPIO_PIN(PORT_C, 2), 1, 12}  \
}

#define ADC_NUMOF           (4)
/** @} */

/**
 * @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           (sizeof(dac_config) / sizeof(dac_config[0]))
/** @} */

/**
 * @name    PWM configuration
 * @{
 */
static const pwm_conf_t pwm_config[] = {
    {
        .dev      = TIM1,
        .rcc_mask = RCC_APB2ENR_TIM1EN,
        .chan     = { { .pin = GPIO_PIN(PORT_E,  9), .cc_chan = 0 },
                      { .pin = GPIO_PIN(PORT_E, 11), .cc_chan = 1 },
                      { .pin = GPIO_PIN(PORT_E, 11), .cc_chan = 2 },
                      { .pin = GPIO_PIN(PORT_E, 14), .cc_chan = 3 } },
        .af       = GPIO_AF1,
        .bus      = APB2
    },
    {
        .dev      = TIM3,
        .rcc_mask = RCC_APB1ENR_TIM3EN,
        .chan     = { { .pin = GPIO_PIN(PORT_B, 4), .cc_chan = 0 },
                      { .pin = GPIO_PIN(PORT_B, 5), .cc_chan = 1 },
                      { .pin = GPIO_PIN(PORT_B, 0), .cc_chan = 2 },
                      { .pin = GPIO_PIN(PORT_B, 1), .cc_chan = 3 } },
        .af       = GPIO_AF2,
        .bus      = APB1
    }
};

#define PWM_NUMOF           (sizeof(pwm_config) / sizeof(pwm_config[0]))
/** @} */

/**
 * @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
    }
};

#define SPI_NUMOF           (sizeof(spi_config) / sizeof(spi_config[0]))
/** @} */

/**
 * @name I2C configuration
 * @{
 */
#define I2C_NUMOF           (1U)
#define I2C_0_EN            1
#define I2C_IRQ_PRIO        1
#define I2C_APBCLK          (CLOCK_APB1)

/* 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(AHB1, RCC_AHB1ENR_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(AHB1, RCC_AHB1ENR_GPIOBEN))
/** @} */

#ifdef __cplusplus
}
#endif

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