/*
 * 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_iotlab-m3
 * @{
 *
 * @file
 * @brief       Board specific implementations for the iotlab-m3 board
 *
 * @author      Thomas Eichinger <thomas.eichinger@fu-berlin.de>
 *
 * @}
 */

#include "board.h"
#include "cpu.h"

static void leds_init(void);

void board_init(void)
{
    /* initialize the CPU */
    cpu_init();

    /* initialize the boards LEDs */
    leds_init();
}

/**
 * @brief Initialize the boards on-board LEDs
 *
 * The LEDs initialization is hard-coded in this function. As the LED is soldered
 * onto the board it is fixed to its CPU pins.
 *
 * The LEDs are connected to the following pin:
 * - Green:     PB5
 * - Orange:    PC10
 * - Red:       PD2
 */
static void leds_init(void)
{
    /* green pin */
    RCC->APB2ENR |= RCC_APB2ENR_IOPBEN;
    LED_GREEN_PORT->CR[0] = (0x3 << (LED_GREEN_PIN*4));

    /* orange pin */
    RCC->APB2ENR |= RCC_APB2ENR_IOPCEN;
    LED_ORANGE_PORT->CR[1] = (0x3 << ((LED_ORANGE_PIN-8)*4));

    /* red pin */
    RCC->APB2ENR |= RCC_APB2ENR_IOPDEN;
    LED_RED_PORT->CR[0] = (0x3 << (LED_RED_PIN*4));
}