2 FreeRTOS V5.4.2 - Copyright (C) 2009 Real Time Engineers Ltd.
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4 This file is part of the FreeRTOS distribution.
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6 FreeRTOS is free software; you can redistribute it and/or modify it under
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7 the terms of the GNU General Public License (version 2) as published by the
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8 Free Software Foundation and modified by the FreeRTOS exception.
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9 **NOTE** The exception to the GPL is included to allow you to distribute a
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10 combined work that includes FreeRTOS without being obliged to provide the
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11 source code for proprietary components outside of the FreeRTOS kernel.
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12 Alternative commercial license and support terms are also available upon
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13 request. See the licensing section of http://www.FreeRTOS.org for full
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16 FreeRTOS is distributed in the hope that it will be useful, but WITHOUT
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17 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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18 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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21 You should have received a copy of the GNU General Public License along
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22 with FreeRTOS; if not, write to the Free Software Foundation, Inc., 59
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23 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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26 ***************************************************************************
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28 * Looking for a quick start? Then check out the FreeRTOS eBook! *
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29 * See http://www.FreeRTOS.org/Documentation for details *
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31 ***************************************************************************
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35 Please ensure to read the configuration and relevant port sections of the
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36 online documentation.
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38 http://www.FreeRTOS.org - Documentation, latest information, license and
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41 http://www.SafeRTOS.com - A version that is certified for use in safety
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44 http://www.OpenRTOS.com - Commercial support, development, porting,
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45 licensing and training services.
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48 /* Scheduler include files. */
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49 #include "FreeRTOS.h"
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52 /* Demo file headers. */
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53 #include "regtest.h"
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56 * Test tasks that sets registers to known values, then checks to ensure the
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57 * values remain as expected. Test 1 and test 2 use different values.
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59 static void prvRegisterCheck1( void *pvParameters );
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60 static void prvRegisterCheck2( void *pvParameters );
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62 /* Set to a non zero value should an error be found. */
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63 portBASE_TYPE xRegTestError = pdFALSE;
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65 /*-----------------------------------------------------------*/
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67 void vStartRegTestTasks( void )
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69 xTaskCreate( prvRegisterCheck1, ( signed portCHAR * ) "Reg1", configMINIMAL_STACK_SIZE, NULL, tskIDLE_PRIORITY, NULL );
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70 xTaskCreate( prvRegisterCheck2, ( signed portCHAR * ) "Reg2", configMINIMAL_STACK_SIZE, NULL, tskIDLE_PRIORITY, NULL );
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72 /*-----------------------------------------------------------*/
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74 portBASE_TYPE xAreRegTestTasksStillRunning( void )
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76 portBASE_TYPE xReturn;
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78 /* If a register was found to contain an unexpected value then the
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79 xRegTestError variable would have been set to a non zero value. */
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80 if( xRegTestError == pdFALSE )
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91 /*-----------------------------------------------------------*/
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93 static void prvRegisterCheck1( void *pvParameters )
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95 ( void ) pvParameters;
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99 asm( "LDI r31, 5" );
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100 asm( "MOV r0, r31" );
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101 asm( "LDI r31, 6" );
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102 asm( "MOV r1, r31" );
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103 asm( "LDI r31, 7" );
\r
104 asm( "MOV r2, r31" );
\r
105 asm( "LDI r31, 8" );
\r
106 asm( "MOV r3, r31" );
\r
107 asm( "LDI r31, 9" );
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108 asm( "MOV r4, r31" );
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109 asm( "LDI r31, 10" );
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110 asm( "MOV r5, r31" );
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111 asm( "LDI r31, 11" );
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112 asm( "MOV r6, r31" );
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113 asm( "LDI r31, 12" );
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114 asm( "MOV r7, r31" );
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115 asm( "LDI r31, 13" );
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116 asm( "MOV r8, r31" );
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117 asm( "LDI r31, 14" );
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118 asm( "MOV r9, r31" );
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119 asm( "LDI r31, 15" );
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120 asm( "MOV r10, r31" );
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121 asm( "LDI r31, 16" );
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122 asm( "MOV r11, r31" );
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123 asm( "LDI r31, 17" );
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124 asm( "MOV r12, r31" );
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125 asm( "LDI r31, 18" );
\r
126 asm( "MOV r13, r31" );
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127 asm( "LDI r31, 19" );
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128 asm( "MOV r14, r31" );
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129 asm( "LDI r31, 20" );
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130 asm( "MOV r15, r31" );
\r
131 asm( "LDI r16, 21" );
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132 asm( "LDI r17, 22" );
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133 asm( "LDI r18, 23" );
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134 asm( "LDI r19, 24" );
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135 asm( "LDI r20, 25" );
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136 asm( "LDI r21, 26" );
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137 asm( "LDI r22, 27" );
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138 asm( "LDI r23, 28" );
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139 asm( "LDI r24, 29" );
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140 asm( "LDI r25, 30" );
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141 asm( "LDI r26, 31" );
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142 asm( "LDI r27, 32" );
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143 asm( "LDI r30, 33" );
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145 asm( "LDI r31, 5" );
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146 asm( "CPSE r31, r0" );
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147 asm( "STS xRegTestError, r0" );
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148 asm( "LDI r31, 6" );
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149 asm( "CPSE r31, r1" );
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150 asm( "STS xRegTestError, r0" );
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151 asm( "LDI r31, 7" );
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152 asm( "CPSE r31, r2" );
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153 asm( "STS xRegTestError, r0" );
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154 asm( "LDI r31, 8" );
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155 asm( "CPSE r31, r3" );
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156 asm( "STS xRegTestError, r0" );
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157 asm( "LDI r31, 9" );
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158 asm( "CPSE r31, r4" );
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159 asm( "STS xRegTestError, r0" );
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160 asm( "LDI r31, 10" );
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161 asm( "CPSE r31, r5" );
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162 asm( "STS xRegTestError, r0" );
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163 asm( "LDI r31, 11" );
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164 asm( "CPSE r31, r6" );
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165 asm( "STS xRegTestError, r0" );
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166 asm( "LDI r31, 12" );
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167 asm( "CPSE r31, r7" );
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168 asm( "STS xRegTestError, r0" );
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169 asm( "LDI r31, 13" );
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170 asm( "CPSE r31, r8" );
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171 asm( "STS xRegTestError, r0" );
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172 asm( "LDI r31, 14" );
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173 asm( "CPSE r31, r9" );
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174 asm( "STS xRegTestError, r0" );
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175 asm( "LDI r31, 15" );
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176 asm( "CPSE r31, r10" );
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177 asm( "STS xRegTestError, r0" );
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178 asm( "LDI r31, 16" );
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179 asm( "CPSE r31, r11" );
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180 asm( "STS xRegTestError, r0" );
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181 asm( "LDI r31, 17" );
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182 asm( "CPSE r31, r12" );
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183 asm( "STS xRegTestError, r0" );
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184 asm( "LDI r31, 18" );
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185 asm( "CPSE r31, r13" );
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186 asm( "STS xRegTestError, r0" );
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187 asm( "LDI r31, 19" );
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188 asm( "CPSE r31, r14" );
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189 asm( "STS xRegTestError, r0" );
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190 asm( "LDI r31, 20" );
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191 asm( "CPSE r31, r15" );
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192 asm( "STS xRegTestError, r0" );
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193 asm( "LDI r31, 21" );
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194 asm( "CPSE r31, r16" );
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195 asm( "STS xRegTestError, r0" );
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196 asm( "LDI r31, 22" );
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197 asm( "CPSE r31, r17" );
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198 asm( "STS xRegTestError, r0" );
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199 asm( "LDI r31, 23" );
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200 asm( "CPSE r31, r18" );
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201 asm( "STS xRegTestError, r0" );
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202 asm( "LDI r31, 24" );
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203 asm( "CPSE r31, r19" );
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204 asm( "STS xRegTestError, r0" );
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205 asm( "LDI r31, 25" );
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206 asm( "CPSE r31, r20" );
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207 asm( "STS xRegTestError, r0" );
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208 asm( "LDI r31, 26" );
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209 asm( "CPSE r31, r21" );
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210 asm( "STS xRegTestError, r0" );
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211 asm( "LDI r31, 27" );
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212 asm( "CPSE r31, r22" );
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213 asm( "STS xRegTestError, r0" );
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214 asm( "LDI r31, 28" );
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215 asm( "CPSE r31, r23" );
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216 asm( "STS xRegTestError, r0" );
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217 asm( "LDI r31, 29" );
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218 asm( "CPSE r31, r24" );
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219 asm( "STS xRegTestError, r0" );
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220 asm( "LDI r31, 30" );
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221 asm( "CPSE r31, r25" );
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222 asm( "STS xRegTestError, r0" );
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223 asm( "LDI r31, 31" );
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224 asm( "CPSE r31, r26" );
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225 asm( "STS xRegTestError, r0" );
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226 asm( "LDI r31, 32" );
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227 asm( "CPSE r31, r27" );
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228 asm( "STS xRegTestError, r0" );
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229 asm( "LDI r31, 33" );
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230 asm( "CPSE r31, r30" );
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231 asm( "STS xRegTestError, r0" );
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234 /*-----------------------------------------------------------*/
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236 static void prvRegisterCheck2( void *pvParameters )
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238 ( void ) pvParameters;
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242 asm( "LDI r31, 1" );
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243 asm( "MOV r0, r31" );
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244 asm( "LDI r31, 2" );
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245 asm( "MOV r1, r31" );
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246 asm( "LDI r31, 3" );
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247 asm( "MOV r2, r31" );
\r
248 asm( "LDI r31, 4" );
\r
249 asm( "MOV r3, r31" );
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250 asm( "LDI r31, 5" );
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251 asm( "MOV r4, r31" );
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252 asm( "LDI r31, 6" );
\r
253 asm( "MOV r5, r31" );
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254 asm( "LDI r31, 7" );
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255 asm( "MOV r6, r31" );
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256 asm( "LDI r31, 8" );
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257 asm( "MOV r7, r31" );
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258 asm( "LDI r31, 9" );
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259 asm( "MOV r8, r31" );
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260 asm( "LDI r31, 10" );
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261 asm( "MOV r9, r31" );
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262 asm( "LDI r31, 11" );
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263 asm( "MOV r10, r31" );
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264 asm( "LDI r31, 12" );
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265 asm( "MOV r11, r31" );
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266 asm( "LDI r31, 13" );
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267 asm( "MOV r12, r31" );
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268 asm( "LDI r31, 14" );
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269 asm( "MOV r13, r31" );
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270 asm( "LDI r31, 15" );
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271 asm( "MOV r14, r31" );
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272 asm( "LDI r31, 16" );
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273 asm( "MOV r15, r31" );
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274 asm( "LDI r16, 17" );
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275 asm( "LDI r17, 18" );
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276 asm( "LDI r18, 19" );
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277 asm( "LDI r19, 20" );
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278 asm( "LDI r20, 21" );
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279 asm( "LDI r21, 22" );
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280 asm( "LDI r22, 23" );
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281 asm( "LDI r23, 24" );
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282 asm( "LDI r24, 25" );
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283 asm( "LDI r25, 26" );
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284 asm( "LDI r26, 27" );
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285 asm( "LDI r27, 28" );
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286 asm( "LDI r30, 29" );
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288 asm( "LDI r31, 1" );
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289 asm( "CPSE r31, r0" );
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290 asm( "STS xRegTestError, r0" );
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291 asm( "LDI r31, 2" );
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292 asm( "CPSE r31, r1" );
\r
293 asm( "STS xRegTestError, r0" );
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294 asm( "LDI r31, 3" );
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295 asm( "CPSE r31, r2" );
\r
296 asm( "STS xRegTestError, r0" );
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297 asm( "LDI r31, 4" );
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298 asm( "CPSE r31, r3" );
\r
299 asm( "STS xRegTestError, r0" );
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300 asm( "LDI r31, 5" );
\r
301 asm( "CPSE r31, r4" );
\r
302 asm( "STS xRegTestError, r0" );
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303 asm( "LDI r31, 6" );
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304 asm( "CPSE r31, r5" );
\r
305 asm( "STS xRegTestError, r0" );
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306 asm( "LDI r31, 7" );
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307 asm( "CPSE r31, r6" );
\r
308 asm( "STS xRegTestError, r0" );
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309 asm( "LDI r31, 8" );
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310 asm( "CPSE r31, r7" );
\r
311 asm( "STS xRegTestError, r0" );
\r
312 asm( "LDI r31, 9" );
\r
313 asm( "CPSE r31, r8" );
\r
314 asm( "STS xRegTestError, r0" );
\r
315 asm( "LDI r31, 10" );
\r
316 asm( "CPSE r31, r9" );
\r
317 asm( "STS xRegTestError, r0" );
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318 asm( "LDI r31, 11" );
\r
319 asm( "CPSE r31, r10" );
\r
320 asm( "STS xRegTestError, r0" );
\r
321 asm( "LDI r31, 12" );
\r
322 asm( "CPSE r31, r11" );
\r
323 asm( "STS xRegTestError, r0" );
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324 asm( "LDI r31, 13" );
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325 asm( "CPSE r31, r12" );
\r
326 asm( "STS xRegTestError, r0" );
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327 asm( "LDI r31, 14" );
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328 asm( "CPSE r31, r13" );
\r
329 asm( "STS xRegTestError, r0" );
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330 asm( "LDI r31, 15" );
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331 asm( "CPSE r31, r14" );
\r
332 asm( "STS xRegTestError, r0" );
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333 asm( "LDI r31, 16" );
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334 asm( "CPSE r31, r15" );
\r
335 asm( "STS xRegTestError, r0" );
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336 asm( "LDI r31, 17" );
\r
337 asm( "CPSE r31, r16" );
\r
338 asm( "STS xRegTestError, r0" );
\r
339 asm( "LDI r31, 18" );
\r
340 asm( "CPSE r31, r17" );
\r
341 asm( "STS xRegTestError, r0" );
\r
342 asm( "LDI r31, 19" );
\r
343 asm( "CPSE r31, r18" );
\r
344 asm( "STS xRegTestError, r0" );
\r
345 asm( "LDI r31, 20" );
\r
346 asm( "CPSE r31, r19" );
\r
347 asm( "STS xRegTestError, r0" );
\r
348 asm( "LDI r31, 21" );
\r
349 asm( "CPSE r31, r20" );
\r
350 asm( "STS xRegTestError, r0" );
\r
351 asm( "LDI r31, 22" );
\r
352 asm( "CPSE r31, r21" );
\r
353 asm( "STS xRegTestError, r0" );
\r
354 asm( "LDI r31, 23" );
\r
355 asm( "CPSE r31, r22" );
\r
356 asm( "STS xRegTestError, r0" );
\r
357 asm( "LDI r31, 24" );
\r
358 asm( "CPSE r31, r23" );
\r
359 asm( "STS xRegTestError, r0" );
\r
360 asm( "LDI r31, 25" );
\r
361 asm( "CPSE r31, r24" );
\r
362 asm( "STS xRegTestError, r0" );
\r
363 asm( "LDI r31, 26" );
\r
364 asm( "CPSE r31, r25" );
\r
365 asm( "STS xRegTestError, r0" );
\r
366 asm( "LDI r31, 27" );
\r
367 asm( "CPSE r31, r26" );
\r
368 asm( "STS xRegTestError, r0" );
\r
369 asm( "LDI r31, 28" );
\r
370 asm( "CPSE r31, r27" );
\r
371 asm( "STS xRegTestError, r0" );
\r
372 asm( "LDI r31, 29" );
\r
373 asm( "CPSE r31, r30" );
\r
374 asm( "STS xRegTestError, r0" );
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