2 FreeRTOS.org V5.2.0 - 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 it
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7 under the terms of the GNU General Public License (version 2) as published
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8 by the Free Software Foundation and modified by the FreeRTOS exception.
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10 FreeRTOS.org is distributed in the hope that it will be useful, but WITHOUT
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11 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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12 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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15 You should have received a copy of the GNU General Public License along
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16 with FreeRTOS.org; if not, write to the Free Software Foundation, Inc., 59
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17 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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19 A special exception to the GPL is included to allow you to distribute a
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20 combined work that includes FreeRTOS.org without being obliged to provide
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21 the source code for any proprietary components. See the licensing section
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22 of http://www.FreeRTOS.org for full details.
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25 ***************************************************************************
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27 * Get the FreeRTOS eBook! See http://www.FreeRTOS.org/Documentation *
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29 * This is a concise, step by step, 'hands on' guide that describes both *
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30 * general multitasking concepts and FreeRTOS specifics. It presents and *
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31 * explains numerous examples that are written using the FreeRTOS API. *
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32 * Full source code for all the examples is provided in an accompanying *
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35 ***************************************************************************
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39 Please ensure to read the configuration and relevant port sections of the
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40 online documentation.
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42 http://www.FreeRTOS.org - Documentation, latest information, license and
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45 http://www.SafeRTOS.com - A version that is certified for use in safety
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48 http://www.OpenRTOS.com - Commercial support, development, porting,
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49 licensing and training services.
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52 /* Scheduler includes. */
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53 #include "FreeRTOS.h"
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55 /* Demo application includes. */
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56 #include "partest.h"
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58 /*-----------------------------------------------------------
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59 * Simple parallel port IO routines for the LED's. LED's can be set, cleared
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61 *-----------------------------------------------------------*/
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63 #define partstNUM_LEDS ( 4 )
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64 #define partstALL_LEDS ( ulLED_Mask[ 0 ] | ulLED_Mask[ 1 ] | ulLED_Mask[ 2 ] | ulLED_Mask[ 3 ] )
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65 const unsigned portLONG ulLED_Mask[ partstNUM_LEDS ]= { (1<<19), (1<<20), (1<<21), (1<<22) };
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68 void vParTestInitialise( void )
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70 /* Configure the PIO Lines corresponding to LED1 to LED4 to be outputs. */
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71 AT91C_BASE_PIOB->PIO_PER = partstALL_LEDS;
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72 AT91C_BASE_PIOB->PIO_OER = partstALL_LEDS;
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74 /* Start with all LED's off. */
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75 AT91C_BASE_PIOB->PIO_SODR = partstALL_LEDS;
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77 /*-----------------------------------------------------------*/
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79 void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue )
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81 if( uxLED < ( portBASE_TYPE ) partstNUM_LEDS )
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85 AT91C_BASE_PIOB->PIO_SODR = ulLED_Mask[ uxLED ];
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89 AT91C_BASE_PIOB->PIO_CODR = ulLED_Mask[ uxLED ];
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93 /*-----------------------------------------------------------*/
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95 void vParTestToggleLED( unsigned portBASE_TYPE uxLED )
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97 if( uxLED < ( portBASE_TYPE ) partstNUM_LEDS )
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99 if( AT91C_BASE_PIOB->PIO_PDSR & ulLED_Mask[ uxLED ] )
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101 AT91C_BASE_PIOB->PIO_CODR = ulLED_Mask[ uxLED ];
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105 AT91C_BASE_PIOB->PIO_SODR = ulLED_Mask[ uxLED ];
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109 /*-----------------------------------------------------------*/
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111 unsigned portBASE_TYPE uxParTestGetLED( void )
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113 /* Return the value of LED DS4 for use by the WEB server. */
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114 return !( AT91C_BASE_PIOB->PIO_PDSR & ulLED_Mask[ partstNUM_LEDS - 1 ] );
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