/*
 * 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.
 */

/**
 * @defgroup    boards_stm32f4discovery STM32F4Discovery
 * @ingroup     boards
 * @brief       Board specific files for the STM32F4Discovery board
 * @{
 *
 * @file
 * @brief       Board specific definitions for the STM32F4Discovery evaluation board
 *
 * @author      Hauke Petersen <hauke.petersen@fu-berlin.de>
 */

#ifndef BOARD_H_
#define BOARD_H_

#include "cpu.h"
#include "periph_conf.h"

#ifdef __cplusplus
extern "C" {
#endif

/**
 * @name xtimer configuration
 * @{
 */
#define XTIMER              TIMER_0
#define XTIMER_CHAN         (0)
#define XTIMER_OVERHEAD     (6)
#define XTIMER_BACKOFF      (10)
/** @} */

/**
 * @name LED pin definitions
 * @{
 */
#define LED_PORT            GPIOD
#define LD3_PIN             (1 << 13)
#define LD4_PIN             (1 << 12)
#define LD5_PIN             (1 << 14)
#define LD6_PIN             (1 << 15)
/** @} */

/**
 * @name Macros for controlling the on-board LEDs.
 * @{
 */
#define LD3_ON              (LED_PORT->BSRRL = LD3_PIN)
#define LD3_OFF             (LED_PORT->BSRRH = LD3_PIN)
#define LD3_TOGGLE          (LED_PORT->ODR ^= LD3_PIN)
#define LD4_ON              (LED_PORT->BSRRL = LD4_PIN)
#define LD4_OFF             (LED_PORT->BSRRH = LD4_PIN)
#define LD4_TOGGLE          (LED_PORT->ODR ^= LD4_PIN)
#define LD5_ON              (LED_PORT->BSRRL = LD5_PIN)
#define LD5_OFF             (LED_PORT->BSRRH = LD5_PIN)
#define LD5_TOGGLE          (LED_PORT->ODR ^= LD5_PIN)
#define LD6_ON              (LED_PORT->BSRRL = LD6_PIN)
#define LD6_OFF             (LED_PORT->BSRRH = LD6_PIN)
#define LD6_TOGGLE          (LED_PORT->ODR ^= LD6_PIN)

/* for compatability to other boards */
#define LED_GREEN_ON        LD4_ON
#define LED_GREEN_OFF       LD4_OFF
#define LED_GREEN_TOGGLE    LD4_TOGGLE
#define LED_RED_ON          LD5_ON
#define LED_RED_OFF         LD5_OFF
#define LED_RED_TOGGLE      LD5_TOGGLE
/** @} */

/**
 * @brief User button
 */
#define BTN_B1_PIN          GPIO_PIN(PORT_A, 0)

/**
 * @brief Initialize board specific hardware, including clock, LEDs and std-IO
 */
void board_init(void);

#ifdef __cplusplus
}
#endif

#endif /* BOARD_H_ */
/** @} */