/*
 * Copyright (C) 2019 Inria
 *
 * 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_i-nucleo-lrwan1
 * @{
 *
 * @file
 * @brief       Peripheral MCU configuration for the ST I-NUCLEO-LRWAN1 board
 *
 * @author      Alexandre Abadie <alexandre.abadie@inria.fr>
 */

#ifndef PERIPH_CONF_H
#define PERIPH_CONF_H

#include "periph_cpu.h"
#include "l0/cfg_clock_32_16_1.h"
#include "cfg_rtt_default.h"
#include "cfg_timer_tim2.h"

#ifdef __cplusplus
extern "C" {
#endif

/**
 * @name    UART configuration
 * @{
 */
static const uart_conf_t uart_config[] = {
    {
        .dev        = LPUART1,
        .rcc_mask   = RCC_APB1ENR_LPUART1EN,
        .rx_pin     = GPIO_PIN(PORT_B, 11),
        .tx_pin     = GPIO_PIN(PORT_B, 10),
        .rx_af      = GPIO_AF4,
        .tx_af      = GPIO_AF4,
        .bus        = APB1,
        .irqn       = LPUART1_IRQn,
        .type       = STM32_LPUART,
        .clk_src    = 0, /* Use APB clock */
    },
};

#define UART_0_ISR          (isr_rng_lpuart1)

#define UART_NUMOF          (sizeof(uart_config) / sizeof(uart_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 @ 32000000Hz */
        7,  /* -> 125000Hz */
        5,  /* -> 500000Hz */
        4,  /* -> 1000000Hz */
        2,  /* -> 4000000Hz */
        1   /* -> 8000000Hz */
    },
    {       /* for APB2 @ 32000000Hz */
        7,  /* -> 125000Hz */
        5,  /* -> 500000Hz */
        4,  /* -> 1000000Hz */
        2,  /* -> 4000000Hz */
        1   /* -> 8000000Hz */
    }
};

static const spi_conf_t spi_config[] = {
    {
        .dev      = SPI1, /* connected to SX1272 */
        .mosi_pin = GPIO_PIN(PORT_A, 12),
        .miso_pin = GPIO_PIN(PORT_B, 4),
        .sclk_pin = GPIO_PIN(PORT_B, 3),
        .cs_pin   = GPIO_PIN(PORT_A, 15),
        .af       = GPIO_AF0,
        .rccmask  = RCC_APB2ENR_SPI1EN,
        .apbbus   = APB2,
    },
};

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

/**
 * @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_AF1,
        .sda_af         = GPIO_AF1,
        .bus            = APB1,
        .rcc_mask       = RCC_APB1ENR_I2C1EN,
        .irqn           = I2C1_IRQn
    }
};

#define I2C_0_ISR           isr_i2c1

#define I2C_NUMOF           (sizeof(i2c_config) / sizeof(i2c_config[0]))
/** @} */

#ifdef __cplusplus
}
#endif

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