2 FreeRTOS V7.2.0 - Copyright (C) 2012 Real Time Engineers Ltd.
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5 ***************************************************************************
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7 * FreeRTOS tutorial books are available in pdf and paperback. *
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8 * Complete, revised, and edited pdf reference manuals are also *
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11 * Purchasing FreeRTOS documentation will not only help you, by *
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12 * ensuring you get running as quickly as possible and with an *
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13 * in-depth knowledge of how to use FreeRTOS, it will also help *
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14 * the FreeRTOS project to continue with its mission of providing *
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15 * professional grade, cross platform, de facto standard solutions *
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16 * for microcontrollers - completely free of charge! *
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18 * >>> See http://www.FreeRTOS.org/Documentation for details. <<< *
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20 * Thank you for using FreeRTOS, and thank you for your support! *
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22 ***************************************************************************
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25 This file is part of the FreeRTOS distribution.
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27 FreeRTOS is free software; you can redistribute it and/or modify it under
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28 the terms of the GNU General Public License (version 2) as published by the
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29 Free Software Foundation AND MODIFIED BY the FreeRTOS exception.
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30 >>>NOTE<<< The modification to the GPL is included to allow you to
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31 distribute a combined work that includes FreeRTOS without being obliged to
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32 provide the source code for proprietary components outside of the FreeRTOS
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33 kernel. FreeRTOS is distributed in the hope that it will be useful, but
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34 WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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35 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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36 more details. You should have received a copy of the GNU General Public
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37 License and the FreeRTOS license exception along with FreeRTOS; if not it
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38 can be viewed here: http://www.freertos.org/a00114.html and also obtained
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39 by writing to Richard Barry, contact details for whom are available on the
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44 ***************************************************************************
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46 * Having a problem? Start by reading the FAQ "My application does *
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47 * not run, what could be wrong? *
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49 * http://www.FreeRTOS.org/FAQHelp.html *
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51 ***************************************************************************
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54 http://www.FreeRTOS.org - Documentation, training, latest information,
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55 license and contact details.
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57 http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,
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58 including FreeRTOS+Trace - an indispensable productivity tool.
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60 Real Time Engineers ltd license FreeRTOS to High Integrity Systems, who sell
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61 the code with commercial support, indemnification, and middleware, under
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62 the OpenRTOS brand: http://www.OpenRTOS.com. High Integrity Systems also
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63 provide a safety engineered and independently SIL3 certified version under
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64 the SafeRTOS brand: http://www.SafeRTOS.com.
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67 void vRegTest1Task( void ) __attribute__((naked));
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68 void vRegTest2Task( void ) __attribute__((naked));
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70 void vRegTest1Task( void )
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74 ".extern ulRegTest1LoopCounter \n"
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76 " /* Fill the core registers with known values. */ \n"
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99 " bne reg1_error_loop \n"
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101 " bne reg1_error_loop \n"
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103 " bne reg1_error_loop \n"
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105 " bne reg1_error_loop \n"
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107 " bne reg1_error_loop \n"
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109 " bne reg1_error_loop \n"
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111 " bne reg1_error_loop \n"
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113 " bne reg1_error_loop \n"
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114 " movs r0, #108 \n"
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116 " bne reg1_error_loop \n"
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117 " movs r0, #109 \n"
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119 " bne reg1_error_loop \n"
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120 " movs r0, #110 \n"
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122 " bne reg1_error_loop \n"
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123 " movs r0, #111 \n"
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125 " bne reg1_error_loop \n"
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126 " movs r0, #112 \n"
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128 " bne reg1_error_loop \n"
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130 " /* Everything passed, increment the loop counter. */ \n"
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132 " ldr r0, =ulRegTest1LoopCounter \n"
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134 " add r1, r1, #1 \n"
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138 " /* Start again. */ \n"
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139 " movs r0, #100 \n"
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142 "reg1_error_loop: \n"
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143 " /* If this line is hit then there was an error in a core register value. \n"
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144 " The loop ensures the loop counter stops incrementing. */ \n"
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145 " b reg1_error_loop \n"
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149 /*-----------------------------------------------------------*/
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151 void vRegTest2Task( void )
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155 ".extern ulRegTest2LoopCounter \n"
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157 " /* Fill the core registers with known values. */ \n"
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180 " bne reg2_error_loop \n"
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182 " bne reg2_error_loop \n"
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184 " bne reg2_error_loop \n"
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186 " bne reg2_error_loop \n"
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188 " bne reg2_error_loop \n"
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190 " bne reg2_error_loop \n"
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192 " bne reg2_error_loop \n"
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194 " bne reg2_error_loop \n"
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197 " bne reg2_error_loop \n"
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200 " bne reg2_error_loop \n"
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203 " bne reg2_error_loop \n"
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206 " bne reg2_error_loop \n"
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209 " bne reg2_error_loop \n"
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211 " /* Everything passed, increment the loop counter. */ \n"
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213 " ldr r0, =ulRegTest2LoopCounter \n"
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215 " add r1, r1, #1 \n"
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219 " /* Start again. */ \n"
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223 "reg2_error_loop: \n"
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224 " /* If this line is hit then there was an error in a core register value. \n"
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225 " The loop ensures the loop counter stops incrementing. */ \n"
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226 " b reg2_error_loop \n"
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230 /*-----------------------------------------------------------*/
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