1 /* ----------------------------------------------------------------------------
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2 * SAM Software Package License
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3 * ----------------------------------------------------------------------------
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4 * Copyright (c) 2011, Atmel Corporation
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6 * All rights reserved.
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8 * Redistribution and use in source and binary forms, with or without
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9 * modification, are permitted provided that the following conditions are met:
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11 * - Redistributions of source code must retain the above copyright notice,
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12 * this list of conditions and the disclaimer below.
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14 * Atmel's name may not be used to endorse or promote products derived from
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15 * this software without specific prior written permission.
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17 * DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR
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18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
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20 * DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT,
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21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
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23 * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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24 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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25 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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26 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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27 * ----------------------------------------------------------------------------
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34 /*------------------------------------------------------------------------------
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36 *------------------------------------------------------------------------------*/
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40 /*------------------------------------------------------------------------------
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42 *------------------------------------------------------------------------------*/
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45 static const Pin pinsLeds[] = {PIN_LED_0, PIN_LED_1} ;
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46 static const uint32_t numLeds = PIO_LISTSIZE( pinsLeds ) ;
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49 /*------------------------------------------------------------------------------
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51 *------------------------------------------------------------------------------*/
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54 * Configures the pin associated with the given LED number. If the LED does
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55 * not exist on the board, the function does nothing.
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56 * \param led Number of the LED to configure.
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57 * \return 1 if the LED exists and has been configured; otherwise 0.
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59 extern uint32_t LED_Configure( uint32_t dwLed )
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62 // Check that LED exists
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63 if ( dwLed >= numLeds)
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70 return ( PIO_Configure( &pinsLeds[dwLed], 1 ) ) ;
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77 * Turns the given LED on if it exists; otherwise does nothing.
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78 * \param led Number of the LED to turn on.
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79 * \return 1 if the LED has been turned on; 0 otherwise.
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81 extern uint32_t LED_Set( uint32_t dwLed )
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84 /* Check if LED exists */
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85 if ( dwLed >= numLeds )
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91 if ( pinsLeds[dwLed].type == PIO_OUTPUT_0 )
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94 PIO_Set( &pinsLeds[dwLed] ) ;
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98 PIO_Clear( &pinsLeds[dwLed] ) ;
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110 * \param led Number of the LED to turn off.
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111 * \return 1 if the LED has been turned off; 0 otherwise.
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113 extern uint32_t LED_Clear( uint32_t dwLed )
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116 /* Check if LED exists */
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117 if ( dwLed >= numLeds )
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123 if ( pinsLeds[dwLed].type == PIO_OUTPUT_0 )
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125 PIO_Clear( &pinsLeds[dwLed] ) ;
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129 PIO_Set( &pinsLeds[dwLed] ) ;
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139 * Toggles the current state of a LED.
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141 * \param led Number of the LED to toggle.
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142 * \return 1 if the LED has been toggled; otherwise 0.
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144 extern uint32_t LED_Toggle( uint32_t dwLed )
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147 /* Check if LED exists */
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148 if ( dwLed >= numLeds )
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154 if ( PIO_GetOutputDataStatus( &pinsLeds[dwLed] ) )
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156 PIO_Clear( &pinsLeds[dwLed] ) ;
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160 PIO_Set( &pinsLeds[dwLed] ) ;
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