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/* ---------------------------------------------------------------------------- */
/*                  Atmel Microcontroller Software Support                      */
/*                       SAM Software Package License                           */
/* ---------------------------------------------------------------------------- */
/* Copyright (c) 2015, Atmel Corporation                                        */
/*                                                                              */
/* All rights reserved.                                                         */
/*                                                                              */
/* Redistribution and use in source and binary forms, with or without           */
/* modification, are permitted provided that the following condition is met:    */
/*                                                                              */
/* - Redistributions of source code must retain the above copyright notice,     */
/* this list of conditions and the disclaimer below.                            */
/*                                                                              */
/* Atmel's name may not be used to endorse or promote products derived from     */
/* this software without specific prior written permission.                     */
/*                                                                              */
/* DISCLAIMER:  THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR   */
/* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE   */
/* DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT,      */
/* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT */
/* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,  */
/* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF    */
/* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING         */
/* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, */
/* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.                           */
/* ---------------------------------------------------------------------------- */

/**
 * \file
 *
 *  \section Purpose
 *
 *  Small set of functions for simple and portable LED usage.
 *
 *  \section Usage
 *
 *  -# Configure one or more LEDs using LED_Configure and
 *     LED_ConfigureAll.
 *  -# Set, clear and toggle LEDs using LED_Set, LED_Clear and
 *     LED_Toggle.
 *
 *  LEDs are numbered starting from 0; the number of LEDs depend on the
 *  board being used. All the functions defined here will compile properly
 *  regardless of whether the LED is defined or not; they will simply
 *  return 0 when a LED which does not exist is given as an argument.
 *  Also, these functions take into account how each LED is connected on to
 *  board; thus, \ref LED_Set might change the level on the corresponding pin
 *  to 0 or 1, but it will always light the LED on; same thing for the other
 *  methods.
 */

#ifndef _LED_
#define _LED_

#include <stdint.h>

/*----------------------------------------------------------------------------
 *        Exported functions
 *----------------------------------------------------------------------------*/

extern uint32_t LED_Configure(uint32_t dwLed);

extern uint32_t LED_Set(uint32_t dwLed);

extern uint32_t LED_Clear(uint32_t dwLed);

extern uint32_t LED_Toggle(uint32_t dwLed);

#endif /* #ifndef LED_H */