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 /* Scheduler include files. */
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67 #include "FreeRTOS.h"
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68 #include "portable.h"
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70 /* Demo application include files. */
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71 #include "partest.h"
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73 /*-----------------------------------------------------------
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74 * Simple parallel port IO routines.
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76 * This is for the demo application which uses port 2 for LED outputs.
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77 *-----------------------------------------------------------*/
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79 /* Value for the LED to be off. */
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80 #define partstLED_OUTPUTS ( ( unsigned char ) 0xff )
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82 /* P2.0 is not used as an output so there are only 7 LEDs on port 2. */
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83 #define partstMAX_LEDs ( 7 )
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84 #define partstALL_OUTPUTS_OFF ( ( unsigned char ) 0 )
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86 /* Maps the LED outputs used by the standard demo application files to
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87 convenient outputs for the EDK2329. Mainly this insures that the LED
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88 used by the Check task is one of the on board LEDs so the demo can be
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89 executed on an EDK without any modification. */
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90 static inline unsigned char prvMapLED( unsigned portBASE_TYPE uxLED );
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92 /*-----------------------------------------------------------*/
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94 void vParTestInitialise( void )
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96 /* LED's are connected to port 2. P2.1 and P2.2 are built onto the EDK.
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97 P2.3 to P2.7 are soldered onto the expansion port. */
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98 P2DDR = partstLED_OUTPUTS;
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99 P2DR = partstALL_OUTPUTS_OFF;
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101 /*-----------------------------------------------------------*/
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104 * Described at the top of the file.
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106 static inline unsigned char prvMapLED( unsigned portBASE_TYPE uxLED )
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110 case 0 : return ( unsigned char ) 2;
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111 case 1 : return ( unsigned char ) 3;
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112 case 2 : return ( unsigned char ) 4;
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113 case 3 : return ( unsigned char ) 5;
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114 case 4 : return ( unsigned char ) 6;
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115 case 5 : return ( unsigned char ) 0;
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116 case 6 : return ( unsigned char ) 1;
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117 default : return 0;
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120 /*-----------------------------------------------------------*/
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123 * Turn an LED on or off.
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125 void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue )
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127 unsigned char ucLED;
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129 if( uxLED < partstMAX_LEDs )
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131 ucLED = prvMapLED( uxLED );
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133 /* Set a bit in the required LED position. LED 0 is bit 1. */
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134 ucLED = ( unsigned char ) 1 << ( ucLED + 1 );
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138 portENTER_CRITICAL();
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140 portEXIT_CRITICAL();
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144 portENTER_CRITICAL();
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146 portEXIT_CRITICAL();
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150 /*-----------------------------------------------------------*/
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152 void vParTestToggleLED( unsigned portBASE_TYPE uxLED )
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154 unsigned char ucLED;
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156 if( uxLED < partstMAX_LEDs )
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158 ucLED = prvMapLED( uxLED );
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160 /* Set a bit in the required LED position. LED 0 is bit 1. */
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161 ucLED = ( unsigned char ) 1 << ( ucLED + 1 );
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163 portENTER_CRITICAL();
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174 portEXIT_CRITICAL();
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