2 FreeRTOS V7.4.1 - Copyright (C) 2013 Real Time Engineers Ltd.
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4 FEATURES AND PORTS ARE ADDED TO FREERTOS ALL THE TIME. PLEASE VISIT
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5 http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.
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7 ***************************************************************************
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9 * FreeRTOS tutorial books are available in pdf and paperback. *
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10 * Complete, revised, and edited pdf reference manuals are also *
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13 * Purchasing FreeRTOS documentation will not only help you, by *
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14 * ensuring you get running as quickly as possible and with an *
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15 * in-depth knowledge of how to use FreeRTOS, it will also help *
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16 * the FreeRTOS project to continue with its mission of providing *
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17 * professional grade, cross platform, de facto standard solutions *
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18 * for microcontrollers - completely free of charge! *
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20 * >>> See http://www.FreeRTOS.org/Documentation for details. <<< *
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22 * Thank you for using FreeRTOS, and thank you for your support! *
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24 ***************************************************************************
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27 This file is part of the FreeRTOS distribution.
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29 FreeRTOS is free software; you can redistribute it and/or modify it under
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30 the terms of the GNU General Public License (version 2) as published by the
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31 Free Software Foundation AND MODIFIED BY the FreeRTOS exception.
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33 >>>>>>NOTE<<<<<< The modification to the GPL is included to allow you to
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34 distribute a combined work that includes FreeRTOS without being obliged to
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35 provide the source code for proprietary components outside of the FreeRTOS
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38 FreeRTOS is distributed in the hope that it will be useful, but WITHOUT ANY
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39 WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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40 FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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41 details. You should have received a copy of the GNU General Public License
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42 and the FreeRTOS license exception along with FreeRTOS; if not it can be
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43 viewed here: http://www.freertos.org/a00114.html and also obtained by
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44 writing to Real Time Engineers Ltd., contact details for whom are available
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45 on the FreeRTOS WEB site.
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49 ***************************************************************************
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51 * Having a problem? Start by reading the FAQ "My application does *
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52 * not run, what could be wrong?" *
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54 * http://www.FreeRTOS.org/FAQHelp.html *
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56 ***************************************************************************
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59 http://www.FreeRTOS.org - Documentation, books, training, latest versions,
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60 license and Real Time Engineers Ltd. contact details.
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62 http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,
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63 including FreeRTOS+Trace - an indispensable productivity tool, and our new
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64 fully thread aware and reentrant UDP/IP stack.
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66 http://www.OpenRTOS.com - Real Time Engineers ltd license FreeRTOS to High
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67 Integrity Systems, who sell the code with commercial support,
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68 indemnification and middleware, under the OpenRTOS brand.
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70 http://www.SafeRTOS.com - High Integrity Systems also provide a safety
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71 engineered and independently SIL3 certified version for use in safety and
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72 mission critical applications that require provable dependability.
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75 void vRegTest1Task( void ) __attribute__((naked));
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76 void vRegTest2Task( void ) __attribute__((naked));
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78 void vRegTest1Task( void )
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82 ".extern ulRegTest1LoopCounter \n"
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84 " /* Fill the core registers with known values. */ \n"
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100 " movs r0, #112 \n"
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102 " movs r0, #100 \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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115 " bne reg1_error_loop \n"
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117 " bne reg1_error_loop \n"
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119 " bne reg1_error_loop \n"
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121 " bne reg1_error_loop \n"
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122 " movs r0, #108 \n"
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124 " bne reg1_error_loop \n"
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125 " movs r0, #109 \n"
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127 " bne reg1_error_loop \n"
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128 " movs r0, #110 \n"
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130 " bne reg1_error_loop \n"
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131 " movs r0, #111 \n"
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133 " bne reg1_error_loop \n"
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134 " movs r0, #112 \n"
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136 " bne reg1_error_loop \n"
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138 " /* Everything passed, increment the loop counter. */ \n"
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140 " ldr r0, =ulRegTest1LoopCounter \n"
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142 " add r1, r1, #1 \n"
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146 " /* Start again. */ \n"
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147 " movs r0, #100 \n"
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150 "reg1_error_loop: \n"
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151 " /* If this line is hit then there was an error in a core register value. \n"
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152 " The loop ensures the loop counter stops incrementing. */ \n"
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153 " b reg1_error_loop \n"
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157 /*-----------------------------------------------------------*/
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159 void vRegTest2Task( void )
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163 ".extern ulRegTest2LoopCounter \n"
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165 " /* Fill the core registers with known values. */ \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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196 " bne reg2_error_loop \n"
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198 " bne reg2_error_loop \n"
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200 " bne reg2_error_loop \n"
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202 " bne reg2_error_loop \n"
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205 " bne reg2_error_loop \n"
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208 " bne reg2_error_loop \n"
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211 " bne reg2_error_loop \n"
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214 " bne reg2_error_loop \n"
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217 " bne reg2_error_loop \n"
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219 " /* Everything passed, increment the loop counter. */ \n"
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221 " ldr r0, =ulRegTest2LoopCounter \n"
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223 " add r1, r1, #1 \n"
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227 " /* Start again. */ \n"
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231 "reg2_error_loop: \n"
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232 " /* If this line is hit then there was an error in a core register value. \n"
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233 " The loop ensures the loop counter stops incrementing. */ \n"
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234 " b reg2_error_loop \n"
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238 /*-----------------------------------------------------------*/
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