2 FreeRTOS.org V5.1.2 - Copyright (C) 2003-2009 Richard Barry.
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4 This file is part of the FreeRTOS.org distribution.
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6 FreeRTOS.org is free software; you can redistribute it and/or modify
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7 it under the terms of the GNU General Public License as published by
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8 the Free Software Foundation; either version 2 of the License, or
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9 (at your option) any later version.
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11 FreeRTOS.org is distributed in the hope that it will be useful,
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12 but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 GNU General Public License for more details.
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16 You should have received a copy of the GNU General Public License
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17 along with FreeRTOS.org; if not, write to the Free Software
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18 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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20 A special exception to the GPL can be applied should you wish to distribute
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21 a combined work that includes FreeRTOS.org, without being obliged to provide
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22 the source code for any proprietary components. See the licensing section
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23 of http://www.FreeRTOS.org for full details of how and when the exception
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26 ***************************************************************************
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27 ***************************************************************************
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29 * Get the FreeRTOS eBook! See http://www.FreeRTOS.org/Documentation *
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31 * This is a concise, step by step, 'hands on' guide that describes both *
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32 * general multitasking concepts and FreeRTOS specifics. It presents and *
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33 * explains numerous examples that are written using the FreeRTOS API. *
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34 * Full source code for all the examples is provided in an accompanying *
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37 ***************************************************************************
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38 ***************************************************************************
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40 Please ensure to read the configuration and relevant port sections of the
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41 online documentation.
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43 http://www.FreeRTOS.org - Documentation, latest information, license and
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46 http://www.SafeRTOS.com - A version that is certified for use in safety
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49 http://www.OpenRTOS.com - Commercial support, development, porting,
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50 licensing and training services.
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53 /* Scheduler includes. */
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54 #include "FreeRTOS.h"
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56 /* Demo application includes. */
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57 #include "partest.h"
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59 /*-----------------------------------------------------------
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60 * Simple parallel port IO routines for the LED's. LED's can be set, cleared
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62 *-----------------------------------------------------------*/
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64 #define partstNUM_LEDS ( 4 )
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65 #define partstALL_LEDS ( ulLED_Mask[ 0 ] | ulLED_Mask[ 1 ] | ulLED_Mask[ 2 ] | ulLED_Mask[ 3 ] )
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66 const unsigned portLONG ulLED_Mask[ partstNUM_LEDS ]= { (1<<19), (1<<20), (1<<21), (1<<22) };
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69 void vParTestInitialise( void )
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71 /* Configure the PIO Lines corresponding to LED1 to LED4 to be outputs. */
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72 AT91C_BASE_PIOB->PIO_PER = partstALL_LEDS;
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73 AT91C_BASE_PIOB->PIO_OER = partstALL_LEDS;
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75 /* Start with all LED's off. */
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76 AT91C_BASE_PIOB->PIO_SODR = partstALL_LEDS;
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78 /*-----------------------------------------------------------*/
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80 void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue )
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82 if( uxLED < ( portBASE_TYPE ) partstNUM_LEDS )
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86 AT91C_BASE_PIOB->PIO_SODR = ulLED_Mask[ uxLED ];
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90 AT91C_BASE_PIOB->PIO_CODR = ulLED_Mask[ uxLED ];
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94 /*-----------------------------------------------------------*/
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96 void vParTestToggleLED( unsigned portBASE_TYPE uxLED )
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98 if( uxLED < ( portBASE_TYPE ) partstNUM_LEDS )
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100 if( AT91C_BASE_PIOB->PIO_PDSR & ulLED_Mask[ uxLED ] )
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102 AT91C_BASE_PIOB->PIO_CODR = ulLED_Mask[ uxLED ];
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106 AT91C_BASE_PIOB->PIO_SODR = ulLED_Mask[ uxLED ];
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110 /*-----------------------------------------------------------*/
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112 unsigned portBASE_TYPE uxParTestGetLED( void )
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114 /* Return the value of LED DS4 for use by the WEB server. */
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115 return !( AT91C_BASE_PIOB->PIO_PDSR & ulLED_Mask[ partstNUM_LEDS - 1 ] );
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