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/* ----------------------------------------------------------------------------
* ATMEL Microcontroller Software Support
* ----------------------------------------------------------------------------
* Copyright (c) 2008, Atmel Corporation
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* 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 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
*/
/*------------------------------------------------------------------------------
* Headers
*------------------------------------------------------------------------------*/
#include "board.h"
/*------------------------------------------------------------------------------
* Local Variables
*------------------------------------------------------------------------------*/
#ifdef PINS_LEDS
static const Pin pinsLeds[] = { PINS_LEDS } ;
static const uint32_t numLeds = PIO_LISTSIZE( pinsLeds ) ;
#endif
/*------------------------------------------------------------------------------
* Global Functions
*------------------------------------------------------------------------------*/
/**
* Configures the pin associated with the given LED number. If the LED does
* not exist on the board, the function does nothing.
* \param led Number of the LED to configure.
* \return 1 if the LED exists and has been configured; otherwise 0.
*/
extern uint32_t LED_Configure( uint32_t dwLed )
{
#ifdef PINS_LEDS
// Check that LED exists
if ( dwLed >= numLeds)
{
return 0;
}
// Configure LED
return ( PIO_Configure( &pinsLeds[dwLed], 1 ) ) ;
#else
return 0 ;
#endif
}
/**
* Turns the given LED on if it exists; otherwise does nothing.
* \param led Number of the LED to turn on.
* \return 1 if the LED has been turned on; 0 otherwise.
*/
extern uint32_t LED_Set( uint32_t dwLed )
{
#ifdef PINS_LEDS
/* Check if LED exists */
if ( dwLed >= numLeds )
{
return 0 ;
}
/* Turn LED on */
if ( pinsLeds[dwLed].type == PIO_OUTPUT_0 )
{
PIO_Set( &pinsLeds[dwLed] ) ;
}
else
{
PIO_Clear( &pinsLeds[dwLed] ) ;
}
return 1 ;
#else
return 0 ;
#endif
}
/**
* Turns a LED off.
*
* \param led Number of the LED to turn off.
* \return 1 if the LED has been turned off; 0 otherwise.
*/
extern uint32_t LED_Clear( uint32_t dwLed )
{
#ifdef PINS_LEDS
/* Check if LED exists */
if ( dwLed >= numLeds )
{
return 0 ;
}
/* Turn LED off */
if ( pinsLeds[dwLed].type == PIO_OUTPUT_0 )
{
PIO_Clear( &pinsLeds[dwLed] ) ;
}
else
{
PIO_Set( &pinsLeds[dwLed] ) ;
}
return 1 ;
#else
return 0 ;
#endif
}
/**
* Toggles the current state of a LED.
*
* \param led Number of the LED to toggle.
* \return 1 if the LED has been toggled; otherwise 0.
*/
extern uint32_t LED_Toggle( uint32_t dwLed )
{
#ifdef PINS_LEDS
/* Check if LED exists */
if ( dwLed >= numLeds )
{
return 0 ;
}
/* Toggle LED */
if ( PIO_GetOutputDataStatus( &pinsLeds[dwLed] ) )
{
PIO_Clear( &pinsLeds[dwLed] ) ;
}
else
{
PIO_Set( &pinsLeds[dwLed] ) ;
}
return 1 ;
#else
return 0 ;
#endif
}
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