/*
 * 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_saml21-xpro Atmel SAM L21 Xplained Pro
 * @ingroup     boards
 * @brief       Support for the Atmel SAM L21 Xplained Pro board.
 * @{
 *
 * @file
 * @brief       Board specific definitions for the Atmel SAM L21 Xplained Pro board.
 *
 * @author      Thomas Eichinger <thomas.eichinger@fu-berlin.de>
 * @author      Sebastian Meiling <s@mlng.net>
 */

#ifndef BOARD_H
#define BOARD_H

#include "cpu.h"

#ifdef __cplusplus
extern "C" {
#endif

/**
 * @name    LED pin definitions and handlers
 * @{
 */
#define LED0_PIN            GPIO_PIN(1, 10)

#define LED_PORT            PORT->Group[1]
#define LED0_MASK           (1 << 10)

#define LED0_ON             (LED_PORT.OUTCLR.reg = LED0_MASK)
#define LED0_OFF            (LED_PORT.OUTSET.reg = LED0_MASK)
#define LED0_TOGGLE         (LED_PORT.OUTTGL.reg = LED0_MASK)
/** @} */

/**
 * @name SW0 (Button) pin definitions
 * @{
 */
#define BTN0_PORT           PORT->Group[PA]
#define BTN0_PIN            GPIO_PIN(PA, 2)
#define BTN0_MODE           GPIO_IN_PU
/** @} */


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

#ifdef __cplusplus
}
#endif

#endif /* BOARD_H */
/** @} */