| /* ---------------------------------------------------------------------------- | |
| * SAM Software Package License | |
| * ---------------------------------------------------------------------------- | |
| * Copyright (c) 2011, 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[] = {PIN_LED_0, PIN_LED_1}; | |
| 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 | |
| } | |