2 FreeRTOS V8.1.2 - Copyright (C) 2014 Real Time Engineers Ltd.
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5 VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.
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7 ***************************************************************************
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9 * FreeRTOS provides completely free yet professionally developed, *
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10 * robust, strictly quality controlled, supported, and cross *
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11 * platform software that has become a de facto standard. *
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13 * Help yourself get started quickly and support the FreeRTOS *
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14 * project by purchasing a FreeRTOS tutorial book, reference *
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15 * manual, or both from: http://www.FreeRTOS.org/Documentation *
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19 ***************************************************************************
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21 This file is part of the FreeRTOS distribution.
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23 FreeRTOS is free software; you can redistribute it and/or modify it under
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24 the terms of the GNU General Public License (version 2) as published by the
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25 Free Software Foundation >>!AND MODIFIED BY!<< the FreeRTOS exception.
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27 >>! NOTE: The modification to the GPL is included to allow you to !<<
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28 >>! distribute a combined work that includes FreeRTOS without being !<<
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29 >>! obliged to provide the source code for proprietary components !<<
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30 >>! outside of the FreeRTOS kernel. !<<
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32 FreeRTOS is distributed in the hope that it will be useful, but WITHOUT ANY
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33 WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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34 FOR A PARTICULAR PURPOSE. Full license text is available from the following
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35 link: http://www.freertos.org/a00114.html
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39 ***************************************************************************
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41 * Having a problem? Start by reading the FAQ "My application does *
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42 * not run, what could be wrong?" *
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44 * http://www.FreeRTOS.org/FAQHelp.html *
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46 ***************************************************************************
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48 http://www.FreeRTOS.org - Documentation, books, training, latest versions,
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49 license and Real Time Engineers Ltd. contact details.
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51 http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,
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52 including FreeRTOS+Trace - an indispensable productivity tool, a DOS
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53 compatible FAT file system, and our tiny thread aware UDP/IP stack.
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55 http://www.OpenRTOS.com - Real Time Engineers ltd license FreeRTOS to High
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56 Integrity Systems to sell under the OpenRTOS brand. Low cost OpenRTOS
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57 licenses offer ticketed support, indemnification and middleware.
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59 http://www.SafeRTOS.com - High Integrity Systems also provide a safety
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60 engineered and independently SIL3 certified version for use in safety and
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61 mission critical applications that require provable dependability.
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66 /*-----------------------------------------------------------
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67 * Simple parallel port IO routines.
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68 *-----------------------------------------------------------*/
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70 /* FreeRTOS includes. */
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71 #include "FreeRTOS.h"
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74 /* Demo includes. */
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75 #include "partest.h"
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77 #define partstTOTAL_NUM_LEDs 16
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78 #define partstNUM_LEDs_PER_DISPLAY 8
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80 volatile unsigned char *pucDisplayOutput[ 2 ] = { ( unsigned char * ) 3, ( unsigned char * ) 5 };
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82 void vParTestInitialise( void )
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84 /* In this case all the initialisation is performed in prvSetupHardware()
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87 /*-----------------------------------------------------------*/
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89 void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue )
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91 unsigned portBASE_TYPE uxLEDMask = 0x01;
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93 if( uxLED < partstNUM_LEDs_PER_DISPLAY )
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95 uxLEDMask <<= uxLED;
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97 taskENTER_CRITICAL();
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101 *pucDisplayOutput[ 0 ] &= ~uxLEDMask;
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105 *pucDisplayOutput[ 0 ] |= uxLEDMask;
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108 taskEXIT_CRITICAL();
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110 else if( uxLED < partstTOTAL_NUM_LEDs )
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112 uxLED -= partstNUM_LEDs_PER_DISPLAY;
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114 uxLEDMask <<= uxLED;
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116 taskENTER_CRITICAL();
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120 *pucDisplayOutput[ 1 ] &= ~uxLEDMask;
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124 *pucDisplayOutput[ 1 ] |= uxLEDMask;
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127 taskEXIT_CRITICAL();
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130 /*-----------------------------------------------------------*/
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132 void vParTestToggleLED( unsigned portBASE_TYPE uxLED )
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134 unsigned portBASE_TYPE uxLEDMask = 0x01;
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136 if( uxLED < partstNUM_LEDs_PER_DISPLAY )
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138 uxLEDMask <<= uxLED;
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140 taskENTER_CRITICAL();
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142 if( *pucDisplayOutput[ 0 ] & uxLEDMask )
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144 *pucDisplayOutput[ 0 ] &= ~uxLEDMask;
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148 *pucDisplayOutput[ 0 ] |= uxLEDMask;
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151 taskEXIT_CRITICAL();
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153 else if( uxLED < partstTOTAL_NUM_LEDs )
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155 uxLED -= partstNUM_LEDs_PER_DISPLAY;
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157 uxLEDMask <<= uxLED;
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159 taskENTER_CRITICAL();
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161 if( *pucDisplayOutput[ 1 ] & uxLEDMask )
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163 *pucDisplayOutput[ 1 ] &= ~uxLEDMask;
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167 *pucDisplayOutput[ 1 ] |= uxLEDMask;
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170 taskEXIT_CRITICAL();
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