/*-----------------------------------------------------------------------------
 * Name:    Board_LED.h
 * Purpose: LED interface header file
 * Rev.:    1.0.0
 *-----------------------------------------------------------------------------*/

/* Copyright (c) 2013 - 2014 ARM LIMITED

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   modification, are permitted provided that the following conditions are met:
   - Redistributions of source code must retain the above copyright
     notice, this list of conditions and the following disclaimer.
   - Redistributions in binary form must reproduce the above copyright
     notice, this list of conditions and the following disclaimer in the
     documentation and/or other materials provided with the distribution.
   - Neither the name of ARM nor the names of its contributors may be used
     to endorse or promote products derived from this software without
     specific prior written permission.
   *
   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
   AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS 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
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   ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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   ---------------------------------------------------------------------------*/

#ifndef __BOARD_LED_H
#define __BOARD_LED_H

#include <stdint.h>

/**
  \fn          int32_t LED_Initialize (void)
  \brief       Initialize I/O interface for LEDs
  \returns
   - \b  0: function succeeded
   - \b -1: function failed
*/
/**
  \fn          int32_t LED_Uninitialize (void)
  \brief       De-initialize I/O interface for LEDs
  \returns
   - \b  0: function succeeded
   - \b -1: function failed
*/
/**
  \fn          int32_t LED_On (uint32_t num)
  \brief       Turn on a single LED indicated by \em num
  \param[in]   num  LED number
  \returns
   - \b  0: function succeeded
   - \b -1: function failed
*/
/**
  \fn          int32_t LED_Off (uint32_t num)
  \brief       Turn off a single LED indicated by \em num
  \param[in]   num  LED number
  \returns
   - \b  0: function succeeded
   - \b -1: function failed
*/
/**
  \fn          int32_t LED_SetOut (uint32_t val)
  \brief       Control all LEDs with the bit vector \em val
  \param[in]   val  each bit represents the status of one LED.
  \returns
   - \b  0: function succeeded
   - \b -1: function failed
*/
/**
  \fn          uint32_t LED_GetCount (void)
  \brief       Get number of available LEDs on evaluation hardware
  \return      Number of available LEDs
*/

extern int32_t  LED_Initialize   (void);
extern int32_t  LED_Uninitialize (void);
extern int32_t  LED_On           (uint32_t num);
extern int32_t  LED_Off          (uint32_t num);
extern int32_t  LED_SetOut       (uint32_t val);
extern uint32_t LED_GetCount     (void);

#endif /* __BOARD_LED_H */