2 * FreeRTOS Kernel V10.2.1
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3 * Copyright (C) 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved.
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5 * Permission is hereby granted, free of charge, to any person obtaining a copy of
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6 * this software and associated documentation files (the "Software"), to deal in
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7 * the Software without restriction, including without limitation the rights to
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8 * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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9 * the Software, and to permit persons to whom the Software is furnished to do so,
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10 * subject to the following conditions:
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12 * The above copyright notice and this permission notice shall be included in all
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13 * copies or substantial portions of the Software.
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15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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17 * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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18 * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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19 * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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20 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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22 * http://www.FreeRTOS.org
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23 * http://aws.amazon.com/freertos
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25 * 1 tab == 4 spaces!
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29 * Creates all the demo application tasks, then starts the scheduler. The WEB
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30 * documentation provides more details of the demo application tasks.
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32 * In addition to the standard demo tasks, the follow demo specific tasks are
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35 * The "Check" task. This only executes every three seconds but has the highest
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36 * priority so is guaranteed to get processor time. Its main function is to
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37 * check that all the other tasks are still operational. Most tasks maintain
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38 * a unique count that is incremented each time the task successfully completes
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39 * its function. Should any error occur within such a task the count is
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40 * permanently halted. The check task inspects the count of each task to ensure
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41 * it has changed since the last time the check task executed. If all the count
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42 * variables have changed all the tasks are still executing error free, and the
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43 * check task toggles the onboard LED. Should any task contain an error at any time
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44 * the LED toggle rate will change from 3 seconds to 500ms.
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46 * The "Register Check" tasks. These tasks fill the CPU registers with known
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47 * values, then check that each register still contains the expected value, the
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48 * discovery of an unexpected value being indicative of an error in the RTOS
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49 * context switch mechanism. The register check tasks operate at low priority
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50 * so are switched in and out frequently.
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54 /* Scheduler includes. */
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55 #include "FreeRTOS.h"
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58 /* Xilinx library includes. */
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59 #include "xcache_l.h"
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62 /* Demo application includes. */
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64 #include "integer.h"
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65 #include "comtest2.h"
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66 #include "semtest.h"
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68 #include "dynamic.h"
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69 #include "GenQTest.h"
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71 #include "blocktim.h"
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73 #include "partest.h"
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74 #include "countsem.h"
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75 #include "recmutex.h"
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77 #include "flop-reg-test.h"
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79 /* Priorities assigned to the demo tasks. */
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80 #define mainCHECK_TASK_PRIORITY ( tskIDLE_PRIORITY + 4 )
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81 #define mainSEM_TEST_PRIORITY ( tskIDLE_PRIORITY + 2 )
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82 #define mainCOM_TEST_PRIORITY ( tskIDLE_PRIORITY + 1 )
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83 #define mainQUEUE_BLOCK_PRIORITY ( tskIDLE_PRIORITY + 1 )
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84 #define mainDEATH_PRIORITY ( tskIDLE_PRIORITY + 1 )
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85 #define mainLED_TASK_PRIORITY ( tskIDLE_PRIORITY + 1 )
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86 #define mainGENERIC_QUEUE_PRIORITY ( tskIDLE_PRIORITY )
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87 #define mainQUEUE_POLL_PRIORITY ( tskIDLE_PRIORITY + 1 )
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88 #define mainFLOP_PRIORITY ( tskIDLE_PRIORITY )
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90 /* The first LED used by the COM test and check tasks respectively. */
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91 #define mainCOM_TEST_LED ( 4 )
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92 #define mainCHECK_TEST_LED ( 3 )
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94 /* The baud rate used by the comtest tasks is set by the hardware, so the
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95 baud rate parameters passed into the comtest initialisation has no effect. */
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96 #define mainBAUD_SET_IN_HARDWARE ( 0 )
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98 /* Delay periods used by the check task. If no errors have been found then
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99 the check LED will toggle every mainNO_ERROR_CHECK_DELAY milliseconds. If an
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100 error has been found at any time then the toggle rate will increase to
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101 mainERROR_CHECK_DELAY milliseconds. */
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102 #define mainNO_ERROR_CHECK_DELAY ( ( TickType_t ) 3000 / portTICK_PERIOD_MS )
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103 #define mainERROR_CHECK_DELAY ( ( TickType_t ) 500 / portTICK_PERIOD_MS )
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107 * The tasks defined within this file - described within the comments at the
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108 * head of this page.
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110 static void prvRegTestTask1( void *pvParameters );
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111 static void prvRegTestTask2( void *pvParameters );
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112 static void prvErrorChecks( void *pvParameters );
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115 * Called by the 'check' task to inspect all the standard demo tasks within
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116 * the system, as described within the comments at the head of this page.
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118 static portBASE_TYPE prvCheckOtherTasksAreStillRunning( void );
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121 * Perform any hardware initialisation required by the demo application.
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123 static void prvSetupHardware( void );
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125 /*-----------------------------------------------------------*/
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127 /* xRegTestStatus will get set to pdFAIL by the regtest tasks if they
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128 discover an unexpected value. */
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129 static volatile unsigned portBASE_TYPE xRegTestStatus = pdPASS;
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131 /* Counters used to ensure the regtest tasks are still running. */
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132 static volatile unsigned long ulRegTest1Counter = 0UL, ulRegTest2Counter = 0UL;
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134 /*-----------------------------------------------------------*/
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139 /* Must be called prior to installing any interrupt handlers! */
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140 vPortSetupInterruptController();
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142 /* In this case prvSetupHardware() just enables the caches and and
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143 configures the IO ports for the LED outputs. */
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144 prvSetupHardware();
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146 /* Start the standard demo application tasks. Note that the baud rate used
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147 by the comtest tasks is set by the hardware, so the baud rate parameter
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148 passed has no effect. */
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149 vStartLEDFlashTasks( mainLED_TASK_PRIORITY );
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150 vStartIntegerMathTasks( tskIDLE_PRIORITY );
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151 vAltStartComTestTasks( mainCOM_TEST_PRIORITY, mainBAUD_SET_IN_HARDWARE, mainCOM_TEST_LED );
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152 vStartSemaphoreTasks( mainSEM_TEST_PRIORITY );
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153 vStartBlockingQueueTasks ( mainQUEUE_BLOCK_PRIORITY );
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154 vStartDynamicPriorityTasks();
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155 vStartGenericQueueTasks( mainGENERIC_QUEUE_PRIORITY );
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156 vStartQueuePeekTasks();
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157 vCreateBlockTimeTasks();
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158 vStartCountingSemaphoreTasks();
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159 vStartRecursiveMutexTasks();
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161 #if ( configUSE_FPU == 1 )
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162 vStartMathTasks( mainFLOP_PRIORITY );
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163 vStartFlopRegTests();
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166 /* Create the tasks defined within this file. */
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167 xTaskCreate( prvRegTestTask1, "Regtest1", configMINIMAL_STACK_SIZE, NULL, tskIDLE_PRIORITY, NULL );
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168 xTaskCreate( prvRegTestTask2, "Regtest2", configMINIMAL_STACK_SIZE, NULL, tskIDLE_PRIORITY, NULL );
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169 xTaskCreate( prvErrorChecks, "Check", configMINIMAL_STACK_SIZE, NULL, mainCHECK_TASK_PRIORITY, NULL );
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171 /* The suicide tasks must be started last as they record the number of other
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172 tasks that exist within the system. The value is then used to ensure at run
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173 time the number of tasks that exists is within expected bounds. */
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174 vCreateSuicidalTasks( mainDEATH_PRIORITY );
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176 /* Now start the scheduler. Following this call the created tasks should
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178 vTaskStartScheduler();
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180 /* vTaskStartScheduler() will only return if an error occurs while the
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181 idle task is being created. */
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186 /*-----------------------------------------------------------*/
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188 static portBASE_TYPE prvCheckOtherTasksAreStillRunning( void )
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190 portBASE_TYPE lReturn = pdPASS;
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191 static unsigned long ulLastRegTest1Counter= 0UL, ulLastRegTest2Counter = 0UL;
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193 /* The demo tasks maintain a count that increments every cycle of the task
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194 provided that the task has never encountered an error. This function
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195 checks the counts maintained by the tasks to ensure they are still being
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196 incremented. A count remaining at the same value between calls therefore
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197 indicates that an error has been detected. */
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199 if( xAreIntegerMathsTaskStillRunning() != pdTRUE )
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204 if( xAreComTestTasksStillRunning() != pdTRUE )
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209 if( xAreSemaphoreTasksStillRunning() != pdTRUE )
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214 if( xAreBlockingQueuesStillRunning() != pdTRUE )
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219 if( xAreDynamicPriorityTasksStillRunning() != pdTRUE )
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224 if( xIsCreateTaskStillRunning() != pdTRUE )
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229 if( xAreBlockTimeTestTasksStillRunning() != pdTRUE )
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234 if( xAreGenericQueueTasksStillRunning() != pdTRUE )
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239 if( xAreQueuePeekTasksStillRunning() != pdTRUE )
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244 if( xAreCountingSemaphoreTasksStillRunning() != pdTRUE )
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249 if( xAreRecursiveMutexTasksStillRunning() != pdTRUE )
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254 #if ( configUSE_FPU == 1 )
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255 if( xAreMathsTaskStillRunning() != pdTRUE )
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260 if( xAreFlopRegisterTestsStillRunning() != pdTRUE )
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266 /* Have the register test tasks found any errors? */
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267 if( xRegTestStatus != pdPASS )
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272 /* Are the register test tasks still looping? */
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273 if( ulLastRegTest1Counter == ulRegTest1Counter )
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279 ulLastRegTest1Counter = ulRegTest1Counter;
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282 if( ulLastRegTest2Counter == ulRegTest2Counter )
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288 ulLastRegTest2Counter = ulRegTest2Counter;
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293 /*-----------------------------------------------------------*/
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295 static void prvErrorChecks( void *pvParameters )
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297 TickType_t xDelayPeriod = mainNO_ERROR_CHECK_DELAY, xLastExecutionTime;
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298 volatile unsigned portBASE_TYPE uxFreeStack;
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300 /* Just to remove compiler warning. */
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301 ( void ) pvParameters;
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303 /* This call is just to demonstrate the use of the function - nothing is
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304 done with the value. You would expect the stack high water mark to be
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305 lower (the function to return a larger value) here at function entry than
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306 later following calls to other functions. */
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307 uxFreeStack = uxTaskGetStackHighWaterMark( NULL );
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309 /* Initialise xLastExecutionTime so the first call to vTaskDelayUntil()
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310 works correctly. */
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311 xLastExecutionTime = xTaskGetTickCount();
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313 /* Cycle for ever, delaying then checking all the other tasks are still
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314 operating without error. */
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317 /* Again just for demo purposes - uxFreeStack should have a lower value
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318 here than following the call to uxTaskGetStackHighWaterMark() on the
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320 uxFreeStack = uxTaskGetStackHighWaterMark( NULL );
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322 /* Wait until it is time to check again. The time we wait here depends
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323 on whether an error has been detected or not. When an error is
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324 detected the time is shortened resulting in a faster LED flash rate. */
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325 vTaskDelayUntil( &xLastExecutionTime, xDelayPeriod );
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327 /* See if the other tasks are all ok. */
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328 if( prvCheckOtherTasksAreStillRunning() != pdPASS )
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330 /* An error occurred in one of the tasks so shorten the delay
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331 period - which has the effect of increasing the frequency of the
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333 xDelayPeriod = mainERROR_CHECK_DELAY;
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337 vParTestToggleLED( mainCHECK_TEST_LED );
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340 /*-----------------------------------------------------------*/
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342 static void prvSetupHardware( void )
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344 XCache_EnableICache( 0x80000000 );
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345 XCache_EnableDCache( 0x80000000 );
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347 /* Setup the IO port for use with the LED outputs. */
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348 vParTestInitialise();
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350 /*-----------------------------------------------------------*/
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352 void prvRegTest1Pass( void )
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354 /* Called from the inline assembler - this cannot be static
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355 otherwise it can get optimised away. */
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356 ulRegTest1Counter++;
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358 /*-----------------------------------------------------------*/
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360 void prvRegTest2Pass( void )
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362 /* Called from the inline assembler - this cannot be static
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363 otherwise it can get optimised away. */
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364 ulRegTest2Counter++;
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366 /*-----------------------------------------------------------*/
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368 void prvRegTestFail( void )
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370 /* Called from the inline assembler - this cannot be static
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371 otherwise it can get optimised away. */
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372 xRegTestStatus = pdFAIL;
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374 /*-----------------------------------------------------------*/
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376 static void prvRegTestTask1( void *pvParameters )
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378 /* Just to remove compiler warning. */
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379 ( void ) pvParameters;
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381 /* The first register test task as described at the top of this file. The
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382 values used in the registers are different to those use in the second
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383 register test task. Also, unlike the second register test task, this task
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384 yields between setting the register values and subsequently checking the
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385 register values. */
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388 "RegTest1Start: \n\t" \
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390 " li 0, 301 \n\t" \
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391 " mtspr 256, 0 #USPRG0 \n\t" \
\r
392 " li 0, 501 \n\t" \
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393 " mtspr 8, 0 #LR \n\t" \
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395 " mtspr 1, 0 #XER \n\t" \
\r
406 " li 10, 10 \n\t" \
\r
407 " li 11, 11 \n\t" \
\r
408 " li 12, 12 \n\t" \
\r
409 " li 13, 13 \n\t" \
\r
410 " li 14, 14 \n\t" \
\r
411 " li 15, 15 \n\t" \
\r
412 " li 16, 16 \n\t" \
\r
413 " li 17, 17 \n\t" \
\r
414 " li 18, 18 \n\t" \
\r
415 " li 19, 19 \n\t" \
\r
416 " li 20, 20 \n\t" \
\r
417 " li 21, 21 \n\t" \
\r
418 " li 22, 22 \n\t" \
\r
419 " li 23, 23 \n\t" \
\r
420 " li 24, 24 \n\t" \
\r
421 " li 25, 25 \n\t" \
\r
422 " li 26, 26 \n\t" \
\r
423 " li 27, 27 \n\t" \
\r
424 " li 28, 28 \n\t" \
\r
425 " li 29, 29 \n\t" \
\r
426 " li 30, 30 \n\t" \
\r
427 " li 31, 31 \n\t" \
\r
432 " cmpwi 0, 1 \n\t" \
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433 " bne RegTest1Fail \n\t" \
\r
434 " cmpwi 2, 2 \n\t" \
\r
435 " bne RegTest1Fail \n\t" \
\r
436 " cmpwi 3, 3 \n\t" \
\r
437 " bne RegTest1Fail \n\t" \
\r
438 " cmpwi 4, 4 \n\t" \
\r
439 " bne RegTest1Fail \n\t" \
\r
440 " cmpwi 5, 5 \n\t" \
\r
441 " bne RegTest1Fail \n\t" \
\r
442 " cmpwi 6, 6 \n\t" \
\r
443 " bne RegTest1Fail \n\t" \
\r
444 " cmpwi 7, 7 \n\t" \
\r
445 " bne RegTest1Fail \n\t" \
\r
446 " cmpwi 8, 8 \n\t" \
\r
447 " bne RegTest1Fail \n\t" \
\r
448 " cmpwi 9, 9 \n\t" \
\r
449 " bne RegTest1Fail \n\t" \
\r
450 " cmpwi 10, 10 \n\t" \
\r
451 " bne RegTest1Fail \n\t" \
\r
452 " cmpwi 11, 11 \n\t" \
\r
453 " bne RegTest1Fail \n\t" \
\r
454 " cmpwi 12, 12 \n\t" \
\r
455 " bne RegTest1Fail \n\t" \
\r
456 " cmpwi 13, 13 \n\t" \
\r
457 " bne RegTest1Fail \n\t" \
\r
458 " cmpwi 14, 14 \n\t" \
\r
459 " bne RegTest1Fail \n\t" \
\r
460 " cmpwi 15, 15 \n\t" \
\r
461 " bne RegTest1Fail \n\t" \
\r
462 " cmpwi 16, 16 \n\t" \
\r
463 " bne RegTest1Fail \n\t" \
\r
464 " cmpwi 17, 17 \n\t" \
\r
465 " bne RegTest1Fail \n\t" \
\r
466 " cmpwi 18, 18 \n\t" \
\r
467 " bne RegTest1Fail \n\t" \
\r
468 " cmpwi 19, 19 \n\t" \
\r
469 " bne RegTest1Fail \n\t" \
\r
470 " cmpwi 20, 20 \n\t" \
\r
471 " bne RegTest1Fail \n\t" \
\r
472 " cmpwi 21, 21 \n\t" \
\r
473 " bne RegTest1Fail \n\t" \
\r
474 " cmpwi 22, 22 \n\t" \
\r
475 " bne RegTest1Fail \n\t" \
\r
476 " cmpwi 23, 23 \n\t" \
\r
477 " bne RegTest1Fail \n\t" \
\r
478 " cmpwi 24, 24 \n\t" \
\r
479 " bne RegTest1Fail \n\t" \
\r
480 " cmpwi 25, 25 \n\t" \
\r
481 " bne RegTest1Fail \n\t" \
\r
482 " cmpwi 26, 26 \n\t" \
\r
483 " bne RegTest1Fail \n\t" \
\r
484 " cmpwi 27, 27 \n\t" \
\r
485 " bne RegTest1Fail \n\t" \
\r
486 " cmpwi 28, 28 \n\t" \
\r
487 " bne RegTest1Fail \n\t" \
\r
488 " cmpwi 29, 29 \n\t" \
\r
489 " bne RegTest1Fail \n\t" \
\r
490 " cmpwi 30, 30 \n\t" \
\r
491 " bne RegTest1Fail \n\t" \
\r
492 " cmpwi 31, 31 \n\t" \
\r
493 " bne RegTest1Fail \n\t" \
\r
495 " mfspr 0, 256 #USPRG0 \n\t" \
\r
496 " cmpwi 0, 301 \n\t" \
\r
497 " bne RegTest1Fail \n\t" \
\r
498 " mfspr 0, 8 #LR \n\t" \
\r
499 " cmpwi 0, 501 \n\t" \
\r
500 " bne RegTest1Fail \n\t" \
\r
501 " mfspr 0, 1 #XER \n\t" \
\r
502 " cmpwi 0, 4 \n\t" \
\r
503 " bne RegTest1Fail \n\t" \
\r
505 " bl prvRegTest1Pass \n\t" \
\r
506 " b RegTest1Start \n\t" \
\r
508 "RegTest1Fail: \n\t" \
\r
511 " bl prvRegTestFail \n\t" \
\r
512 " b RegTest1Start \n\t" \
\r
515 /*-----------------------------------------------------------*/
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517 static void prvRegTestTask2( void *pvParameters )
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519 /* Just to remove compiler warning. */
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520 ( void ) pvParameters;
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522 /* The second register test task as described at the top of this file.
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523 Note that this task fills the registers with different values to the
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524 first register test task. */
\r
527 "RegTest2Start: \n\t" \
\r
529 " li 0, 300 \n\t" \
\r
530 " mtspr 256, 0 #USPRG0 \n\t" \
\r
531 " li 0, 500 \n\t" \
\r
532 " mtspr 8, 0 #LR \n\t" \
\r
534 " mtspr 1, 0 #XER \n\t" \
\r
545 " li 10, 110 \n\t" \
\r
546 " li 11, 111 \n\t" \
\r
547 " li 12, 112 \n\t" \
\r
548 " li 13, 113 \n\t" \
\r
549 " li 14, 114 \n\t" \
\r
550 " li 15, 115 \n\t" \
\r
551 " li 16, 116 \n\t" \
\r
552 " li 17, 117 \n\t" \
\r
553 " li 18, 118 \n\t" \
\r
554 " li 19, 119 \n\t" \
\r
555 " li 20, 120 \n\t" \
\r
556 " li 21, 121 \n\t" \
\r
557 " li 22, 122 \n\t" \
\r
558 " li 23, 123 \n\t" \
\r
559 " li 24, 124 \n\t" \
\r
560 " li 25, 125 \n\t" \
\r
561 " li 26, 126 \n\t" \
\r
562 " li 27, 127 \n\t" \
\r
563 " li 28, 128 \n\t" \
\r
564 " li 29, 129 \n\t" \
\r
565 " li 30, 130 \n\t" \
\r
566 " li 31, 131 \n\t" \
\r
568 " cmpwi 0, 11 \n\t" \
\r
569 " bne RegTest2Fail \n\t" \
\r
570 " cmpwi 2, 12 \n\t" \
\r
571 " bne RegTest2Fail \n\t" \
\r
572 " cmpwi 3, 13 \n\t" \
\r
573 " bne RegTest2Fail \n\t" \
\r
574 " cmpwi 4, 14 \n\t" \
\r
575 " bne RegTest2Fail \n\t" \
\r
576 " cmpwi 5, 15 \n\t" \
\r
577 " bne RegTest2Fail \n\t" \
\r
578 " cmpwi 6, 16 \n\t" \
\r
579 " bne RegTest2Fail \n\t" \
\r
580 " cmpwi 7, 17 \n\t" \
\r
581 " bne RegTest2Fail \n\t" \
\r
582 " cmpwi 8, 18 \n\t" \
\r
583 " bne RegTest2Fail \n\t" \
\r
584 " cmpwi 9, 19 \n\t" \
\r
585 " bne RegTest2Fail \n\t" \
\r
586 " cmpwi 10, 110 \n\t" \
\r
587 " bne RegTest2Fail \n\t" \
\r
588 " cmpwi 11, 111 \n\t" \
\r
589 " bne RegTest2Fail \n\t" \
\r
590 " cmpwi 12, 112 \n\t" \
\r
591 " bne RegTest2Fail \n\t" \
\r
592 " cmpwi 13, 113 \n\t" \
\r
593 " bne RegTest2Fail \n\t" \
\r
594 " cmpwi 14, 114 \n\t" \
\r
595 " bne RegTest2Fail \n\t" \
\r
596 " cmpwi 15, 115 \n\t" \
\r
597 " bne RegTest2Fail \n\t" \
\r
598 " cmpwi 16, 116 \n\t" \
\r
599 " bne RegTest2Fail \n\t" \
\r
600 " cmpwi 17, 117 \n\t" \
\r
601 " bne RegTest2Fail \n\t" \
\r
602 " cmpwi 18, 118 \n\t" \
\r
603 " bne RegTest2Fail \n\t" \
\r
604 " cmpwi 19, 119 \n\t" \
\r
605 " bne RegTest2Fail \n\t" \
\r
606 " cmpwi 20, 120 \n\t" \
\r
607 " bne RegTest2Fail \n\t" \
\r
608 " cmpwi 21, 121 \n\t" \
\r
609 " bne RegTest2Fail \n\t" \
\r
610 " cmpwi 22, 122 \n\t" \
\r
611 " bne RegTest2Fail \n\t" \
\r
612 " cmpwi 23, 123 \n\t" \
\r
613 " bne RegTest2Fail \n\t" \
\r
614 " cmpwi 24, 124 \n\t" \
\r
615 " bne RegTest2Fail \n\t" \
\r
616 " cmpwi 25, 125 \n\t" \
\r
617 " bne RegTest2Fail \n\t" \
\r
618 " cmpwi 26, 126 \n\t" \
\r
619 " bne RegTest2Fail \n\t" \
\r
620 " cmpwi 27, 127 \n\t" \
\r
621 " bne RegTest2Fail \n\t" \
\r
622 " cmpwi 28, 128 \n\t" \
\r
623 " bne RegTest2Fail \n\t" \
\r
624 " cmpwi 29, 129 \n\t" \
\r
625 " bne RegTest2Fail \n\t" \
\r
626 " cmpwi 30, 130 \n\t" \
\r
627 " bne RegTest2Fail \n\t" \
\r
628 " cmpwi 31, 131 \n\t" \
\r
629 " bne RegTest2Fail \n\t" \
\r
631 " mfspr 0, 256 #USPRG0 \n\t" \
\r
632 " cmpwi 0, 300 \n\t" \
\r
633 " bne RegTest2Fail \n\t" \
\r
634 " mfspr 0, 8 #LR \n\t" \
\r
635 " cmpwi 0, 500 \n\t" \
\r
636 " bne RegTest2Fail \n\t" \
\r
637 " mfspr 0, 1 #XER \n\t" \
\r
638 " cmpwi 0, 4 \n\t" \
\r
639 " bne RegTest2Fail \n\t" \
\r
641 " bl prvRegTest2Pass \n\t" \
\r
642 " b RegTest2Start \n\t" \
\r
644 "RegTest2Fail: \n\t" \
\r
647 " bl prvRegTestFail \n\t" \
\r
648 " b RegTest2Start \n\t" \
\r
651 /*-----------------------------------------------------------*/
\r
653 /* This hook function will get called if there is a suspected stack overflow.
\r
654 An overflow can cause the task name to be corrupted, in which case the task
\r
655 handle needs to be used to determine the offending task. */
\r
656 void vApplicationStackOverflowHook( TaskHandle_t xTask, signed char *pcTaskName );
\r
657 void vApplicationStackOverflowHook( TaskHandle_t xTask, signed char *pcTaskName )
\r
659 /* To prevent the optimiser removing the variables. */
\r
660 volatile TaskHandle_t xTaskIn = xTask;
\r
661 volatile signed char *pcTaskNameIn = pcTaskName;
\r
663 /* Remove compiler warnings. */
\r
665 ( void ) pcTaskNameIn;
\r
667 /* The following three calls are simply to stop compiler warnings about the
\r
668 functions not being used - they are called from the inline assembly. */
\r