--- /dev/null
+/*\r
+ FreeRTOS V6.1.1 - Copyright (C) 2011 Real Time Engineers Ltd.\r
+\r
+ ***************************************************************************\r
+ * *\r
+ * If you are: *\r
+ * *\r
+ * + New to FreeRTOS, *\r
+ * + Wanting to learn FreeRTOS or multitasking in general quickly *\r
+ * + Looking for basic training, *\r
+ * + Wanting to improve your FreeRTOS skills and productivity *\r
+ * *\r
+ * then take a look at the FreeRTOS books - available as PDF or paperback *\r
+ * *\r
+ * "Using the FreeRTOS Real Time Kernel - a Practical Guide" *\r
+ * http://www.FreeRTOS.org/Documentation *\r
+ * *\r
+ * A pdf reference manual is also available. Both are usually delivered *\r
+ * to your inbox within 20 minutes to two hours when purchased between 8am *\r
+ * and 8pm GMT (although please allow up to 24 hours in case of *\r
+ * exceptional circumstances). Thank you for your support! *\r
+ * *\r
+ ***************************************************************************\r
+\r
+ This file is part of the FreeRTOS distribution.\r
+\r
+ FreeRTOS is free software; you can redistribute it and/or modify it under\r
+ the terms of the GNU General Public License (version 2) as published by the\r
+ Free Software Foundation AND MODIFIED BY the FreeRTOS exception.\r
+ ***NOTE*** The exception to the GPL is included to allow you to distribute\r
+ a combined work that includes FreeRTOS without being obliged to provide the\r
+ source code for proprietary components outside of the FreeRTOS kernel.\r
+ FreeRTOS is distributed in the hope that it will be useful, but WITHOUT\r
+ ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or\r
+ FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for\r
+ more details. You should have received a copy of the GNU General Public \r
+ License and the FreeRTOS license exception along with FreeRTOS; if not it \r
+ can be viewed here: http://www.freertos.org/a00114.html and also obtained \r
+ by writing to Richard Barry, contact details for whom are available on the\r
+ FreeRTOS WEB site.\r
+\r
+ 1 tab == 4 spaces!\r
+\r
+ http://www.FreeRTOS.org - Documentation, latest information, license and\r
+ contact details.\r
+\r
+ http://www.SafeRTOS.com - A version that is certified for use in safety\r
+ critical systems.\r
+\r
+ http://www.OpenRTOS.com - Commercial support, development, porting,\r
+ licensing and training services.\r
+*/\r
+\r
+\r
+/* \r
+ * Tests the behaviour of timers. Some timers are created before hte scheudler\r
+ * is started, and some after.\r
+ */\r
+\r
+\r
+/* Scheduler include files. */\r
+#include "FreeRTOS.h"\r
+#include "task.h"\r
+#include "timers.h"\r
+\r
+/* Demo program include files. */\r
+#include "TimerDemo.h"\r
+\r
+#if configTIMER_TASK_PRIORITY < 1\r
+ #error configTIMER_TASK_PRIORITY must be set to at least 1 for this test/demo to function correctly.\r
+#endif\r
+\r
+#define tmrdemoDONT_BLOCK ( ( portTickType ) 0 )\r
+#define tmrdemoONE_SHOT_TIMER_FREQUENCY ( xBaseFrequency * ( portTickType ) 3 )\r
+#define trmdemoNUM_TIMER_RESETS ( ( unsigned char ) 10 )\r
+\r
+/*-----------------------------------------------------------*/\r
+\r
+static void prvFreeRunningTimerCallback( xTimerHandle pxExpiredTimer );\r
+static void prvTimerControlTask( void *pvParameters );\r
+\r
+/*-----------------------------------------------------------*/\r
+\r
+/* Flag that will be latched to pdFAIL should any unexpected behaviour be\r
+detected in any of the demo tests. */\r
+static volatile portBASE_TYPE xTestStatus = pdPASS;\r
+\r
+/* Counter that is incremented on each cycle of a test. This is used to\r
+detect a stalled task - a test that is no longer running. */\r
+static volatile unsigned portLONG ulLoopCounter = 0;\r
+\r
+xTimerHandle xFreeRunningTimers[ configTIMER_QUEUE_LENGTH + 1 ] = { 0 };\r
+unsigned char ucFreeRunningTimerCounters[ configTIMER_QUEUE_LENGTH + 1 ] = { 0 };\r
+unsigned char ucOneShotTimerCounter = ( unsigned char ) 0;\r
+\r
+static portTickType xBaseFrequency = 0;\r
+\r
+/*-----------------------------------------------------------*/\r
+\r
+void vStartTimerDemoTask( portTickType xBaseFrequencyIn )\r
+{\r
+portBASE_TYPE xTimer;\r
+\r
+ xBaseFrequency = xBaseFrequencyIn;\r
+\r
+ for( xTimer = 0; xTimer < configTIMER_QUEUE_LENGTH; xTimer++ )\r
+ {\r
+ /* As the timer queue is not yet full, it should be possible to both create\r
+ and start a timer. These timers are being started before the scheduler has\r
+ been started, so their block times should get set to zero within the timer\r
+ API itself. */\r
+ xFreeRunningTimers[ xTimer ] = xTimerCreate( "FR Timer", /* Text name to facilitate debugging. The kernel does not use this itself. */\r
+ ( ( xTimer + 1 ) * xBaseFrequency ),/* The period for the timer. The plus 1 ensures a period of zero is not specified. */\r
+ pdTRUE, /* Autoreload is set to true. */\r
+ ( void * ) xTimer, /* An identifier for the timer as all the free running timers use the same callback. */\r
+ prvFreeRunningTimerCallback ); /* The callback to be called when the timer expires. */\r
+\r
+ if( xFreeRunningTimers[ xTimer ] == NULL )\r
+ {\r
+ xTestStatus = pdFAIL;\r
+ }\r
+ else\r
+ {\r
+ /* The scheduler has not yet started, so the block period of \r
+ portMAX_DELAY should just get set to zero in xTimerStart(). Also,\r
+ the timer queue is not yet full so xTimerStart() should return\r
+ pdPASS. */\r
+ if( xTimerStart( xFreeRunningTimers[ xTimer ], portMAX_DELAY ) != pdPASS )\r
+ {\r
+ xTestStatus = pdFAIL;\r
+ }\r
+ }\r
+ }\r
+\r
+ /* The timers queue should now be full, so it should be possible to create\r
+ another timer, but not possible to start it (the timer queue will not get\r
+ drained until the scheduler has been started. */\r
+ xFreeRunningTimers[ configTIMER_QUEUE_LENGTH ] = xTimerCreate( "FR Timer", /* Text name to facilitate debugging. The kernel does not use this itself. */\r
+ ( configTIMER_QUEUE_LENGTH * xBaseFrequency ), /* The period for the timer. */\r
+ pdTRUE, /* Autoreload is set to true. */\r
+ ( void * ) xTimer, /* An identifier for the timer as all the free running timers use the same callback. */\r
+ prvFreeRunningTimerCallback ); /* The callback to be called when the timer expires. */\r
+\r
+ if( xFreeRunningTimers[ configTIMER_QUEUE_LENGTH ] == NULL )\r
+ {\r
+ xTestStatus = pdFAIL;\r
+ }\r
+ else\r
+ {\r
+ if( xTimerStart( xFreeRunningTimers[ xTimer ], portMAX_DELAY ) == pdPASS )\r
+ {\r
+ /* This time it would not be expected that the timer could be\r
+ started at this point. */\r
+ xTestStatus = pdFAIL;\r
+ }\r
+ }\r
+\r
+ /* Create the task that will control and monitor the timers. This is \r
+ created at a lower priority than the timer service task to ensure, as\r
+ far as it is concerned, commands on timers are actioned immediately \r
+ (sending a command to the timer service task will unblock the timer service\r
+ task, which will then preempt this task). */\r
+ if( xTestStatus != pdFAIL )\r
+ {\r
+ xTaskCreate( prvTimerControlTask, ( signed portCHAR * ) "Tmr Ctl", configMINIMAL_STACK_SIZE, NULL, configTIMER_TASK_PRIORITY - 1, NULL );\r
+ }\r
+}\r
+/*-----------------------------------------------------------*/\r
+\r
+static void prvFreeRunningTimerCallback( xTimerHandle pxExpiredTimer )\r
+{\r
+portBASE_TYPE xTimerID;\r
+\r
+ xTimerID = ( portBASE_TYPE ) pvTimerGetTimerID( pxExpiredTimer );\r
+ if( xTimerID <= ( configTIMER_QUEUE_LENGTH + 1 ) )\r
+ {\r
+ ( ucFreeRunningTimerCounters[ xTimerID ] )++;\r
+ }\r
+ else\r
+ {\r
+ /* The timer ID appears to be unexpected (invalid). */\r
+ xTestStatus = pdFAIL;\r
+ }\r
+}\r
+/*-----------------------------------------------------------*/\r
+\r
+static void prvOneShotTimerCallback( xTimerHandle pxExpiredTimer )\r
+{\r
+ /* The parameter is not used in this case as only one timer uses this\r
+ callback function. */\r
+ ( void ) pxExpiredTimer;\r
+\r
+ ucOneShotTimerCounter++;\r
+}\r
+/*-----------------------------------------------------------*/\r
+\r
+static void prvTimerControlTask( void *pvParameters )\r
+{\r
+portTickType xNextWakeTime;\r
+unsigned char ucTimer;\r
+unsigned char ucMaxAllowableValue, ucMinAllowableValue;\r
+xTimerHandle xOneShotTimer = NULL;\r
+\r
+ ( void ) pvParameters;\r
+\r
+ /* Create a one-shot timer for use later on in this test. */\r
+ xOneShotTimer = xTimerCreate( "Oneshot Timer", /* Text name to facilitate debugging. The kernel does not use this itself. */\r
+ tmrdemoONE_SHOT_TIMER_FREQUENCY,/* The period for the timer. */\r
+ pdFALSE, /* Don't autoreload - hence a one shot timer. */\r
+ ( void * ) 0, /* The timer identifier. In this case this is not used as the timer has its own callback. */\r
+ prvOneShotTimerCallback ); /* The callback to be called when the timer expires. */\r
+\r
+ if( xOneShotTimer == NULL )\r
+ {\r
+ xTestStatus = pdFAIL;\r
+ }\r
+\r
+\r
+ /*-----------------------------------------------------------*/\r
+ /* Test 1 - ensure all the timers are in their expected initial state. This\r
+ depends on the timer service task having a higher priority than this task. */\r
+\r
+ /* Free running timers 0 to ( configTIMER_QUEUE_LENGTH - 1 ) should now\r
+ be active, and free running timer configTIMER_QUEUE_LENGTH should not\r
+ yet be active (it could not be started prior to the scheduler being\r
+ started. */\r
+ for( ucTimer = 0; ucTimer < ( unsigned char ) configTIMER_QUEUE_LENGTH; ucTimer++ )\r
+ {\r
+ if( xTimerIsTimerActive( xFreeRunningTimers[ ucTimer ] ) == pdFALSE )\r
+ {\r
+ xTestStatus = pdFAIL;\r
+ }\r
+ }\r
+\r
+ if( xTimerIsTimerActive( xFreeRunningTimers[ configTIMER_QUEUE_LENGTH ] ) != pdFALSE )\r
+ {\r
+ xTestStatus = pdFAIL;\r
+ }\r
+\r
+ for( ;; )\r
+ {\r
+ /*-----------------------------------------------------------*/\r
+ /* Test 2 - Check the free running timers expire at the expcted rates. */\r
+\r
+ /* Initialise the next wake time value before the call to \r
+ vTaskDelayUntil() as this is not really a periodic task. */\r
+ xNextWakeTime = xTaskGetTickCount();\r
+\r
+ /* Delaying for configTIMER_QUEUE_LENGTH * xBaseFrequency ticks \r
+ should allow all the free running timers to expire at least once. */\r
+ vTaskDelayUntil( &xNextWakeTime, ( ( portTickType ) configTIMER_QUEUE_LENGTH ) * xBaseFrequency );\r
+\r
+ /* Check that all the free running timers have called their callback \r
+ function the expected number of times. */\r
+ for( ucTimer = 0; ucTimer < ( unsigned char ) configTIMER_QUEUE_LENGTH; ucTimer++ )\r
+ {\r
+ /* The timer in array position 0 should elapse every xBaseFrequency \r
+ ticks, the timer in array position 1 should elapse every\r
+ ( 2 * xBaseFrequency ) ticks, etc. This task blocked for \r
+ configTIMER_QUEUE_LENGTH * xBaseFrequency, so the timer in array\r
+ position 0 should have elapsed configTIMER_QUEUE_LENGTH times, the\r
+ timer in array possition 1 should have elapsed \r
+ ( configTIMER_QUEUE_LENGTH - 1 ) times, etc. */\r
+ ucMaxAllowableValue = ( ( ( unsigned char ) configTIMER_QUEUE_LENGTH ) - ucTimer );\r
+ ucMinAllowableValue = ( ( ( unsigned char ) configTIMER_QUEUE_LENGTH ) - ucTimer ) - 1;\r
+\r
+ if( ( ucFreeRunningTimerCounters[ ucTimer ] < ucMinAllowableValue ) ||\r
+ ( ucFreeRunningTimerCounters[ ucTimer ] > ucMaxAllowableValue )\r
+ )\r
+ {\r
+ xTestStatus = pdFAIL;\r
+ }\r
+ }\r
+\r
+ if( xTestStatus == pdPASS )\r
+ {\r
+ /* No errors have been reported so increment the loop counter so\r
+ the check task knows this task is still running. */\r
+ ulLoopCounter++;\r
+ }\r
+\r
+\r
+\r
+\r
+ /*-----------------------------------------------------------*/\r
+ /* Test 3 - Check the free running timers can be stopped correctly, and\r
+ correctly report their state. */\r
+\r
+ /* Stop all the active timers. */\r
+ for( ucTimer = 0; ucTimer < ( unsigned char ) configTIMER_QUEUE_LENGTH; ucTimer++ )\r
+ {\r
+ /* The timer has not been stopped yet! */\r
+ if( xTimerIsTimerActive( xFreeRunningTimers[ ucTimer ] ) == pdFALSE )\r
+ {\r
+ xTestStatus = pdFAIL;\r
+ }\r
+\r
+ /* Now stop the timer. This will appear to happen immediately to \r
+ this task because this task is running at a priority below the \r
+ timer service task. */\r
+ xTimerStop( xFreeRunningTimers[ ucTimer ], tmrdemoDONT_BLOCK );\r
+\r
+ /* The timer should now be inactive. */\r
+ if( xTimerIsTimerActive( xFreeRunningTimers[ ucTimer ] ) != pdFALSE )\r
+ {\r
+ xTestStatus = pdFAIL;\r
+ }\r
+ }\r
+\r
+ taskENTER_CRITICAL();\r
+ {\r
+ /* The timer in array position configTIMER_QUEUE_LENGTH should not \r
+ be active. The critical section is used to ensure the timer does \r
+ not call its callback between the next line running and the array \r
+ being cleared back to zero, as that would mask an error condition. */\r
+ if( ucFreeRunningTimerCounters[ configTIMER_QUEUE_LENGTH ] != ( unsigned char ) 0 )\r
+ {\r
+ xTestStatus = pdFAIL;\r
+ }\r
+\r
+ /* Clear the timer callback count. */\r
+ memset( ( void * ) ucFreeRunningTimerCounters, 0, sizeof( ucFreeRunningTimerCounters ) );\r
+ }\r
+ taskEXIT_CRITICAL();\r
+\r
+ /* The timers are now all inactive, so this time, after delaying, none\r
+ of the callback counters should have incremented. */\r
+ vTaskDelay( ( ( portTickType ) configTIMER_QUEUE_LENGTH ) * xBaseFrequency );\r
+ for( ucTimer = 0; ucTimer < ( unsigned char ) configTIMER_QUEUE_LENGTH; ucTimer++ )\r
+ {\r
+ if( ucFreeRunningTimerCounters[ ucTimer ] != ( unsigned char ) 0 )\r
+ {\r
+ xTestStatus = pdFAIL;\r
+ }\r
+ }\r
+\r
+ if( xTestStatus == pdPASS )\r
+ {\r
+ /* No errors have been reported so increment the loop counter so\r
+ the check task knows this task is still running. */\r
+ ulLoopCounter++;\r
+ }\r
+\r
+\r
+\r
+ /*-----------------------------------------------------------*/\r
+ /* Test 4 - Check the one shot timer only calls its callback once after\r
+ it has been started, and that it reports its state correctly. */\r
+\r
+ /* The one shot timer should not be active yet. */\r
+ if( xTimerIsTimerActive( xOneShotTimer ) != pdFALSE )\r
+ {\r
+ xTestStatus = pdFAIL;\r
+ }\r
+\r
+ if( ucOneShotTimerCounter != ( unsigned char ) 0 )\r
+ {\r
+ xTestStatus = pdFAIL;\r
+ }\r
+\r
+ /* Start the one shot timer and check that it reports its state\r
+ correctly. */\r
+ xTimerStart( xOneShotTimer, tmrdemoDONT_BLOCK );\r
+ if( xTimerIsTimerActive( xOneShotTimer ) == pdFALSE )\r
+ {\r
+ xTestStatus = pdFAIL;\r
+ }\r
+\r
+ /* Delay for three times as long as the one shot timer period, then\r
+ check to ensure it has only called its callback once, and is now\r
+ not in the active state. */\r
+ vTaskDelay( tmrdemoONE_SHOT_TIMER_FREQUENCY * ( portTickType ) 3 );\r
+\r
+ if( xTimerIsTimerActive( xOneShotTimer ) != pdFALSE )\r
+ {\r
+ xTestStatus = pdFAIL;\r
+ }\r
+\r
+ if( ucOneShotTimerCounter != ( unsigned char ) 1 )\r
+ {\r
+ xTestStatus = pdFAIL;\r
+ }\r
+ else\r
+ {\r
+ /* Reset the one shot timer callback count. */\r
+ ucOneShotTimerCounter = ( unsigned char ) 0;\r
+ }\r
+\r
+ if( xTestStatus == pdPASS )\r
+ {\r
+ /* No errors have been reported so increment the loop counter so\r
+ the check task knows this task is still running. */\r
+ ulLoopCounter++;\r
+ }\r
+\r
+\r
+\r
+\r
+ /*-----------------------------------------------------------*/\r
+ /* Test 5 - Check all the timers can be reset while they are running. */\r
+\r
+ /* Restart the one shot timer and check it reports its status \r
+ correctly. */\r
+ xTimerStart( xOneShotTimer, tmrdemoDONT_BLOCK );\r
+ if( xTimerIsTimerActive( xOneShotTimer ) == pdFALSE )\r
+ {\r
+ xTestStatus = pdFAIL;\r
+ }\r
+\r
+ /* Restart one of the free running timers and check that it reports its\r
+ status correctly. */\r
+ xTimerStart( xFreeRunningTimers[ configTIMER_QUEUE_LENGTH - 1 ], tmrdemoDONT_BLOCK );\r
+ if( xTimerIsTimerActive( xFreeRunningTimers[ configTIMER_QUEUE_LENGTH - 1 ] ) == pdFALSE )\r
+ {\r
+ xTestStatus = pdFAIL;\r
+ }\r
+\r
+ for( ucTimer = 0; ucTimer < trmdemoNUM_TIMER_RESETS; ucTimer++ )\r
+ {\r
+ /* Delay for half as long as the one shot timer period, then\r
+ reset it. It should never expire while this is done, so its callback\r
+ count should never increment. */\r
+ vTaskDelay( tmrdemoONE_SHOT_TIMER_FREQUENCY / 2 );\r
+\r
+ /* Check both running timers are still active, but have not called their\r
+ callback functions. */\r
+ if( xTimerIsTimerActive( xOneShotTimer ) != pdFALSE )\r
+ {\r
+ xTestStatus = pdFAIL;\r
+ }\r
+\r
+ if( ucOneShotTimerCounter != ( unsigned char ) 0 )\r
+ {\r
+ xTestStatus = pdFAIL;\r
+ }\r
+\r
+ if( xTimerIsTimerActive( xFreeRunningTimers[ configTIMER_QUEUE_LENGTH - 1 ] ) != pdFALSE )\r
+ {\r
+ xTestStatus = pdFAIL;\r
+ }\r
+\r
+ if( ucFreeRunningTimerCounters[ configTIMER_QUEUE_LENGTH - 1 ] != ( unsigned char ) 0 )\r
+ {\r
+ xTestStatus = pdFAIL;\r
+ }\r
+\r
+ /* Reset both running timers. */\r
+ xTimerReset( xOneShotTimer, tmrdemoDONT_BLOCK );\r
+ xTimerReset( xFreeRunningTimers[ configTIMER_QUEUE_LENGTH - 1 ], tmrdemoDONT_BLOCK );\r
+\r
+ if( xTestStatus == pdPASS )\r
+ {\r
+ /* No errors have been reported so increment the loop counter so\r
+ the check task knows this task is still running. */\r
+ ulLoopCounter++;\r
+ }\r
+ }\r
+\r
+ /* Finally delay long enough for both running timers to expire. */\r
+ vTaskDelay( ( ( portTickType ) configTIMER_QUEUE_LENGTH ) * xBaseFrequency );\r
+\r
+ /* The timers were not reset during the above delay period so should now\r
+ both have called their callback functions. */\r
+ if( ucOneShotTimerCounter != ( unsigned char ) 1 )\r
+ {\r
+ xTestStatus = pdFAIL;\r
+ }\r
+\r
+ if( ucFreeRunningTimerCounters[ configTIMER_QUEUE_LENGTH - 1 ] == 0 )\r
+ {\r
+ xTestStatus = pdFAIL;\r
+ }\r
+\r
+ /* The one shot timer should no longer be active, while the free running\r
+ timer should still be active. */\r
+ if( xTimerIsTimerActive( xFreeRunningTimers[ configTIMER_QUEUE_LENGTH - 1 ] ) == pdFALSE )\r
+ {\r
+ xTestStatus = pdFAIL;\r
+ }\r
+\r
+ if( xTimerIsTimerActive( xOneShotTimer ) == pdTRUE )\r
+ {\r
+ xTestStatus = pdFAIL;\r
+ }\r
+\r
+ /* Stop the free running timer again. */\r
+ xTimerStop( xFreeRunningTimers[ configTIMER_QUEUE_LENGTH - 1 ], tmrdemoDONT_BLOCK );\r
+\r
+ if( xTimerIsTimerActive( xFreeRunningTimers[ configTIMER_QUEUE_LENGTH - 1 ] ) != pdFALSE )\r
+ {\r
+ xTestStatus = pdFAIL;\r
+ }\r
+\r
+ /* Clear the timer callback counts, ready for another iteration of these\r
+ tests. */\r
+ ucFreeRunningTimerCounters[ configTIMER_QUEUE_LENGTH - 1 ] = ( unsigned char ) 0;\r
+ ucOneShotTimerCounter = ( unsigned char ) 0;\r
+\r
+ if( xTestStatus == pdPASS )\r
+ {\r
+ /* No errors have been reported so increment the loop counter so\r
+ the check task knows this task is still running. */\r
+ ulLoopCounter++;\r
+ }\r
+\r
+\r
+\r
+\r
+ /*-----------------------------------------------------------*/\r
+ /* Start the timers again to start all the tests over again. */\r
+\r
+\r
+ /* Start the timers again. */\r
+ for( ucTimer = 0; ucTimer < ( unsigned char ) configTIMER_QUEUE_LENGTH; ucTimer++ )\r
+ {\r
+ /* The timer has not been started yet! */\r
+ if( xTimerIsTimerActive( xFreeRunningTimers[ ucTimer ] ) != pdFALSE )\r
+ {\r
+ xTestStatus = pdFAIL;\r
+ }\r
+\r
+ /* Now start the timer. This will appear to happen immediately to \r
+ this task because this task is running at a priority below the \r
+ timer service task. */\r
+ xTimerStart( xFreeRunningTimers[ ucTimer ], tmrdemoDONT_BLOCK );\r
+\r
+ /* The timer should now be active. */\r
+ if( xTimerIsTimerActive( xFreeRunningTimers[ ucTimer ] ) == pdFALSE )\r
+ {\r
+ xTestStatus = pdFAIL;\r
+ }\r
+ }\r
+\r
+ if( xTestStatus == pdPASS )\r
+ {\r
+ /* No errors have been reported so increment the loop counter so\r
+ the check task knows this task is still running. */\r
+ ulLoopCounter++;\r
+ }\r
+ }\r
+}\r
+/*-----------------------------------------------------------*/\r
+\r
+/* This is called to check that the created task is still running and has not\r
+detected any errors. */\r
+portBASE_TYPE xAreTimerDemoTasksStillRunning( void )\r
+{\r
+static unsigned portLONG ulLastLoopCounter = 0;\r
+\r
+ /* If the demo task is still running then we expect the loopcounter to\r
+ have incremented since this function was last called. */\r
+ if( ulLastLoopCounter == ulLoopCounter )\r
+ {\r
+ xTestStatus = pdFAIL;\r
+ }\r
+\r
+ ulLastLoopCounter = ulLoopCounter;\r
+\r
+ /* Errors detected in the task itself will have latched xTestStatus\r
+ to pdFAIL. */\r
+\r
+ return xTestStatus;\r
+}\r
+\r
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