2 FreeRTOS.org V4.7.2 - Copyright (C) 2003-2008 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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28 Please ensure to read the configuration and relevant port sections of the
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29 online documentation.
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31 +++ http://www.FreeRTOS.org +++
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32 Documentation, latest information, license and contact details.
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34 +++ http://www.SafeRTOS.com +++
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35 A version that is certified for use in safety critical systems.
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37 +++ http://www.OpenRTOS.com +++
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38 Commercial support, development, porting, licensing and training services.
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40 ***************************************************************************
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43 /* Scheduler includes. */
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44 #include "FreeRTOS.h"
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46 /* Demo application includes. */
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47 #include "partest.h"
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49 /*-----------------------------------------------------------
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50 * Simple parallel port IO routines for the LED's. LED's can be set, cleared
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52 *-----------------------------------------------------------*/
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54 #define partstNUM_LEDS ( 4 )
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55 #define partstALL_LEDS ( ulLED_Mask[ 0 ] | ulLED_Mask[ 1 ] | ulLED_Mask[ 2 ] | ulLED_Mask[ 3 ] )
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56 const unsigned portLONG ulLED_Mask[ partstNUM_LEDS ]= { (1<<19), (1<<20), (1<<21), (1<<22) };
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59 void vParTestInitialise( void )
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61 /* Configure the PIO Lines corresponding to LED1 to LED4 to be outputs. */
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62 AT91C_BASE_PIOB->PIO_PER = partstALL_LEDS;
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63 AT91C_BASE_PIOB->PIO_OER = partstALL_LEDS;
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65 /* Start with all LED's off. */
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66 AT91C_BASE_PIOB->PIO_SODR = partstALL_LEDS;
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68 /*-----------------------------------------------------------*/
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70 void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue )
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72 if( uxLED < ( portBASE_TYPE ) partstNUM_LEDS )
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76 AT91C_BASE_PIOB->PIO_SODR = ulLED_Mask[ uxLED ];
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80 AT91C_BASE_PIOB->PIO_CODR = ulLED_Mask[ uxLED ];
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84 /*-----------------------------------------------------------*/
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86 void vParTestToggleLED( unsigned portBASE_TYPE uxLED )
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88 if( uxLED < ( portBASE_TYPE ) partstNUM_LEDS )
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90 if( AT91C_BASE_PIOB->PIO_PDSR & ulLED_Mask[ uxLED ] )
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92 AT91C_BASE_PIOB->PIO_CODR = ulLED_Mask[ uxLED ];
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96 AT91C_BASE_PIOB->PIO_SODR = ulLED_Mask[ uxLED ];
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100 /*-----------------------------------------------------------*/
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102 unsigned portBASE_TYPE uxParTestGetLED( void )
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104 /* Return the value of LED DS4 for use by the WEB server. */
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105 return !( AT91C_BASE_PIOB->PIO_PDSR & ulLED_Mask[ partstNUM_LEDS - 1 ] );
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