1 /*This file has been prepared for Doxygen automatic documentation generation.*/
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2 /*! \file *********************************************************************
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4 * \brief FreeRTOS Led Driver example for AVR32 UC3.
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6 * - Compiler: IAR EWAVR32 and GNU GCC for AVR32
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7 * - Supported devices: All AVR32 devices can be used.
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10 * \author Atmel Corporation: http://www.atmel.com \n
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11 * Support and FAQ: http://support.atmel.no/
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13 *****************************************************************************/
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15 /* Copyright (c) 2007, Atmel Corporation All rights reserved.
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17 * Redistribution and use in source and binary forms, with or without
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18 * modification, are permitted provided that the following conditions are met:
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20 * 1. Redistributions of source code must retain the above copyright notice,
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21 * this list of conditions and the following disclaimer.
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23 * 2. Redistributions in binary form must reproduce the above copyright notice,
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24 * this list of conditions and the following disclaimer in the documentation
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25 * and/or other materials provided with the distribution.
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27 * 3. The name of ATMEL may not be used to endorse or promote products derived
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28 * from this software without specific prior written permission.
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30 * THIS SOFTWARE IS PROVIDED BY ATMEL ``AS IS'' AND ANY EXPRESS OR IMPLIED
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31 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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32 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE EXPRESSLY AND
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33 * SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT,
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34 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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35 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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36 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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37 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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38 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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39 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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43 #include <avr32/io.h>
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44 #include "FreeRTOS.h"
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46 #include "partest.h"
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49 /*-----------------------------------------------------------
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50 * Simple parallel port IO routines.
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51 *-----------------------------------------------------------*/
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53 #define partstALL_OUTPUTS_OFF ( ( unsigned char ) 0x00 )
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54 #define partstMAX_OUTPUT_LED ( ( unsigned char ) 8 )
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56 static volatile unsigned char ucCurrentOutputValue = partstALL_OUTPUTS_OFF; /*lint !e956 File scope parameters okay here. */
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58 /*-----------------------------------------------------------*/
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60 void vParTestInitialise( void )
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62 LED_Display(partstALL_OUTPUTS_OFF); /* Start with all LEDs off. */
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64 /*-----------------------------------------------------------*/
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66 void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue )
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68 unsigned char ucBit;
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70 if( uxLED >= partstMAX_OUTPUT_LED )
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75 ucBit = ( ( unsigned char ) 1 ) << uxLED;
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79 if( xValue == pdTRUE )
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81 ucCurrentOutputValue |= ucBit;
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85 ucCurrentOutputValue &= ~ucBit;
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88 LED_Display(ucCurrentOutputValue);
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92 /*-----------------------------------------------------------*/
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94 void vParTestToggleLED( unsigned portBASE_TYPE uxLED )
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96 unsigned char ucBit;
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98 if( uxLED >= partstMAX_OUTPUT_LED )
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103 ucBit = ( ( unsigned char ) 1 ) << uxLED;
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107 ucCurrentOutputValue ^= ucBit;
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108 LED_Display(ucCurrentOutputValue);
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