mirror of
https://github.com/FreeRTOS/FreeRTOS-Kernel.git
synced 2025-09-04 05:13:51 -04:00
Check in the RX/GCC demo for backup purposes - this is not yet a working project.
This commit is contained in:
Richard Barry
parent
0fcac53cf8
commit
ddf4f4eb1e
17 changed files with 1544 additions and 373 deletions
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@ -56,7 +56,7 @@
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* If you would prefer a much simpler project to get started with then select
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* the 'Blinky' build configuration within the HEW IDE.
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*
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* Creates all the demo application tasks, then starts the scheduler. The WEB
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* Creates all the demo application tasks, then starts the scheduler. The web
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* documentation provides more details of the standard demo application tasks,
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* which provide no particular functionality but do provide a good example of
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* how to use the FreeRTOS API. The tasks defined in flop.c are included in the
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@ -68,15 +68,14 @@
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*
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* "Reg test" tasks - These fill the registers with known values, then check
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* that each register still contains its expected value. Each task uses
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* different values. The tasks run with very low priority so get preempted very
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* frequently. A register containing an unexpected value is indicative of an
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* error in the context switching mechanism and will result in interrupts being
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* disabled and a branch to a null loop. This has the effect of stopping
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* execution of all the tests and tasks, which in turn results in all LED
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* activity stopping too. The nature of the reg test tasks necessitates that
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* they are written in assembly code. The check task (described below) checks
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* that the reg test tasks are still executing and will indicate an error if
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* either reg test task is found to have stalled.
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* different values. The tasks run with very low priority so get preempted
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* very frequently. A check variable is incremented on each iteration of the
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* test loop. A register containing an unexpected value is indicative of an
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* error in the context switching mechanism and will result in a branch to a
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* null loop - which in turn will prevent the check variable from incrementing
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* any further and allow the check task (described below) to determine that an
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* error has occurred. The nature of the reg test tasks necessitates that they
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* are written in assembly code.
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*
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* "Check" task - This only executes every five seconds but has a high priority
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* to ensure it gets processor time. Its main function is to check that all the
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@ -109,6 +108,9 @@
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* of all the 8bit timers (as two cascaded 16bit units).
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*/
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/* Standard includes. */
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#include "string.h"
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/* Hardware specific includes. */
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#include "iodefine.h"
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@ -149,22 +151,22 @@ tasks check that the values are passed in correctly. */
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#define mainFLOP_TASK_PRIORITY ( tskIDLE_PRIORITY )
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/* The LED toggled by the check task. */
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#define mainCHECK_LED ( 5 )
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#define mainCHECK_LED ( 5 )
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/* The rate at which mainCHECK_LED will toggle when all the tasks are running
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without error. Controlled by the check task as described at the top of this
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file. */
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#define mainNO_ERROR_CYCLE_TIME ( 5000 / portTICK_RATE_MS )
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#define mainNO_ERROR_CYCLE_TIME ( 5000 / portTICK_RATE_MS )
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/* The rate at which mainCHECK_LED will toggle when an error has been reported
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by at least one task. Controlled by the check task as described at the top of
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this file. */
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#define mainERROR_CYCLE_TIME ( 200 / portTICK_RATE_MS )
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#define mainERROR_CYCLE_TIME ( 200 / portTICK_RATE_MS )
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/* The period of the peripheral clock in nano seconds. This is used to calculate
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the jitter time in nano seconds as part of the high frequency timer test. The
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clock driving the timer is divided by 8. */
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#define mainNS_PER_CLOCK ( ( unsigned long ) ( ( 1.0 / ( ( double ) configPERIPHERAL_CLOCK_HZ ) / 8.0 ) * 1000000000.0 ) )
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#define mainNS_PER_CLOCK ( ( unsigned long ) ( ( 1.0 / ( ( double ) configPERIPHERAL_CLOCK_HZ ) / 8.0 ) * 1000000000.0 ) )
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/*
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* vApplicationMallocFailedHook() will only be called if
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@ -208,8 +210,9 @@ static void prvRegTest2Task( void *pvParameters );
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* The actual implementation of the reg test functionality, which, because of
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* the direct register access, have to be in assembly.
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*/
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static void prvRegTest1Implementation( void );
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static void prvRegTest2Implementation( void );
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extern void prvRegTest1Implementation( void );
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extern void prvRegTest2Implementation( void );
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/*
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* The check task as described at the top of this file.
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@ -231,10 +234,10 @@ extern void HardwareSetup( void );
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/* Renesas provided CPU configuration routine. The clocks are configured in
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here. */
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HardwareSetup();
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/* Turn all LEDs off. */
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vParTestInitialise();
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/* Start the reg test tasks which test the context switching mechanism. */
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xTaskCreate( prvRegTest1Task, "RegTst1", configMINIMAL_STACK_SIZE, ( void * ) mainREG_TEST_1_PARAMETER, tskIDLE_PRIORITY, NULL );
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xTaskCreate( prvRegTest2Task, "RegTst2", configMINIMAL_STACK_SIZE, ( void * ) mainREG_TEST_2_PARAMETER, tskIDLE_PRIORITY, NULL );
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@ -245,12 +248,12 @@ extern void HardwareSetup( void );
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/* Create the standard demo tasks. */
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vStartBlockingQueueTasks( mainBLOCK_Q_PRIORITY );
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vCreateBlockTimeTasks();
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vStartSemaphoreTasks( mainSEM_TEST_PRIORITY );
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vStartPolledQueueTasks( mainQUEUE_POLL_PRIORITY );
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vStartIntegerMathTasks( mainINTEGER_TASK_PRIORITY );
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vStartGenericQueueTasks( mainGEN_QUEUE_TASK_PRIORITY );
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vStartSemaphoreTasks( mainSEM_TEST_PRIORITY );
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vStartPolledQueueTasks( mainQUEUE_POLL_PRIORITY );
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vStartIntegerMathTasks( mainINTEGER_TASK_PRIORITY );
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vStartGenericQueueTasks( mainGEN_QUEUE_TASK_PRIORITY );
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vStartLEDFlashTasks( mainFLASH_TASK_PRIORITY );
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vStartQueuePeekTasks();
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vStartQueuePeekTasks();
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vStartRecursiveMutexTasks();
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vStartInterruptQueueTasks();
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vStartMathTasks( mainFLOP_TASK_PRIORITY );
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@ -258,7 +261,7 @@ extern void HardwareSetup( void );
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/* The suicide tasks must be created last as they need to know how many
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tasks were running prior to their creation in order to ascertain whether
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or not the correct/expected number of tasks are running at any given time. */
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vCreateSuicidalTasks( mainCREATOR_TASK_PRIORITY );
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vCreateSuicidalTasks( mainCREATOR_TASK_PRIORITY );
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/* Start the tasks running. */
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vTaskStartScheduler();
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@ -302,57 +305,57 @@ static char cErrorText[ 100 ];
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rate at which mainCHECK_LED flashes to give visual feedback that an error
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has occurred. */
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xCycleFrequency = mainERROR_CYCLE_TIME;
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strncpy( cErrorText, "Error: GenQueue" );
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strcpy( cErrorText, "Error: GenQueue" );
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}
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else if( xAreQueuePeekTasksStillRunning() != pdTRUE )
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{
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xCycleFrequency = mainERROR_CYCLE_TIME;
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strncpy( cErrorText, "Error: QueuePeek" );
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strcpy( cErrorText, "Error: QueuePeek" );
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}
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else if( xAreBlockingQueuesStillRunning() != pdTRUE )
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{
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xCycleFrequency = mainERROR_CYCLE_TIME;
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strncpy( cErrorText, "Error: BlockQueue" );
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strcpy( cErrorText, "Error: BlockQueue" );
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}
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else if( xAreBlockTimeTestTasksStillRunning() != pdTRUE )
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{
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xCycleFrequency = mainERROR_CYCLE_TIME;
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strncpy( cErrorText, "Error: BlockTime" );
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strcpy( cErrorText, "Error: BlockTime" );
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}
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else if( xAreSemaphoreTasksStillRunning() != pdTRUE )
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{
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xCycleFrequency = mainERROR_CYCLE_TIME;
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strncpy( cErrorText, "Error: SemTest" );
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strcpy( cErrorText, "Error: SemTest" );
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}
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else if( xArePollingQueuesStillRunning() != pdTRUE )
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{
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xCycleFrequency = mainERROR_CYCLE_TIME;
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strncpy( cErrorText, "Error: PollQueue" );
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strcpy( cErrorText, "Error: PollQueue" );
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}
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else if( xIsCreateTaskStillRunning() != pdTRUE )
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{
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xCycleFrequency = mainERROR_CYCLE_TIME;
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strncpy( cErrorText, "Error: Death" );
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strcpy( cErrorText, "Error: Death" );
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}
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else if( xAreIntegerMathsTaskStillRunning() != pdTRUE )
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{
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xCycleFrequency = mainERROR_CYCLE_TIME;
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strncpy( cErrorText, "Error: IntMath" );
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strcpy( cErrorText, "Error: IntMath" );
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}
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else if( xAreRecursiveMutexTasksStillRunning() != pdTRUE )
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{
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xCycleFrequency = mainERROR_CYCLE_TIME;
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strncpy( cErrorText, "Error: RecMutex" );
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strcpy( cErrorText, "Error: RecMutex" );
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}
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else if( xAreIntQueueTasksStillRunning() != pdPASS )
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{
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xCycleFrequency = mainERROR_CYCLE_TIME;
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strncpy( cErrorText, "Error: IntQueue" );
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strcpy( cErrorText, "Error: IntQueue" );
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}
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else if( xAreMathsTaskStillRunning() != pdPASS )
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{
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xCycleFrequency = mainERROR_CYCLE_TIME;
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strncpy( cErrorText, "Error: Flop" );
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strcpy( cErrorText, "Error: Flop" );
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}
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/* Check the reg test tasks are still cycling. They will stop incrementing
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@ -360,13 +363,13 @@ static char cErrorText[ 100 ];
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if( ulRegTest1CycleCount == ulLastRegTest1CycleCount )
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{
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xCycleFrequency = mainERROR_CYCLE_TIME;
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strncpy( cErrorText, "Error: RegTest1" );
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strcpy( cErrorText, "Error: RegTest1" );
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}
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if( ulRegTest2CycleCount == ulLastRegTest2CycleCount )
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{
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xCycleFrequency = mainERROR_CYCLE_TIME;
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strncpy( cErrorText, "Error: RegTest2" );
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strcpy( cErrorText, "Error: RegTest2" );
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}
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ulLastRegTest1CycleCount = ulRegTest1CycleCount;
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@ -385,7 +388,8 @@ static char cErrorText[ 100 ];
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if( xCycleFrequency == mainERROR_CYCLE_TIME )
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{
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nop();
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/* Just for break point. */
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portNOP();
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}
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}
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}
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@ -438,6 +442,9 @@ void vApplicationStackOverflowHook( xTaskHandle *pxTask, signed char *pcTaskName
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of this file. */
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void vApplicationIdleHook( void )
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{
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static volatile unsigned long ulIdleLoopCount = 0UL;
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ulIdleLoopCount++;
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}
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/*-----------------------------------------------------------*/
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@ -454,7 +461,7 @@ static void prvRegTest1Task( void *pvParameters )
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}
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}
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/* This is an inline asm function that never returns. */
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/* This is an asm function that never returns. */
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prvRegTest1Implementation();
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}
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/*-----------------------------------------------------------*/
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@ -471,178 +478,12 @@ static void prvRegTest2Task( void *pvParameters )
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taskDISABLE_INTERRUPTS();
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}
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}
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/* This is an inline asm function that never returns. */
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prvRegTest2Implementation();
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/* This is an asm function that never returns. */
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prvRegTest2Implementation();
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}
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/*-----------------------------------------------------------*/
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/* This function is explained in the comments at the top of this file. */
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#pragma inline_asm prvRegTest1Implementation
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static void prvRegTest1Implementation( void )
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{
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; Put a known value in each register.
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MOV.L #1, R1
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MOV.L #2, R2
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MOV.L #3, R3
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MOV.L #4, R4
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MOV.L #5, R5
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MOV.L #6, R6
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MOV.L #7, R7
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MOV.L #8, R8
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MOV.L #9, R9
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MOV.L #10, R10
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MOV.L #11, R11
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MOV.L #12, R12
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MOV.L #13, R13
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MOV.L #14, R14
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MOV.L #15, R15
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; Loop, checking each itteration that each register still contains the
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; expected value.
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TestLoop1:
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; Push the registers that are going to get clobbered.
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PUSHM R14-R15
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; Increment the loop counter to show this task is still getting CPU time.
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MOV.L #_ulRegTest1CycleCount, R14
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MOV.L [ R14 ], R15
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ADD #1, R15
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MOV.L R15, [ R14 ]
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; Yield to extend the text coverage. Set the bit in the ITU SWINTR register.
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MOV.L #1, R14
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MOV.L #0872E0H, R15
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MOV.B R14, [R15]
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NOP
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NOP
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; Restore the clobbered registers.
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POPM R14-R15
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; Now compare each register to ensure it still contains the value that was
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; set before this loop was entered.
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CMP #1, R1
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BNE RegTest2Error
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CMP #2, R2
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BNE RegTest2Error
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CMP #3, R3
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BNE RegTest2Error
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CMP #4, R4
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BNE RegTest2Error
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CMP #5, R5
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BNE RegTest2Error
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CMP #6, R6
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BNE RegTest2Error
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CMP #7, R7
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BNE RegTest2Error
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CMP #8, R8
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BNE RegTest2Error
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CMP #9, R9
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BNE RegTest2Error
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CMP #10, R10
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BNE RegTest2Error
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CMP #11, R11
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BNE RegTest2Error
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CMP #12, R12
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BNE RegTest2Error
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CMP #13, R13
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BNE RegTest2Error
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CMP #14, R14
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BNE RegTest2Error
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CMP #15, R15
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BNE RegTest2Error
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; All comparisons passed, start a new itteratio of this loop.
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BRA TestLoop1
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RegTest1Error:
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; A compare failed, something has gone wrong. Stop the tick and any other
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; interrupts to make it obvious that things have halted.
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CLRPSW I
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BRA RegTest1Error
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}
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/*-----------------------------------------------------------*/
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/* This function is explained in the comments at the top of this file. */
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#pragma inline_asm prvRegTest2Implementation
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static void prvRegTest2Implementation( void )
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{
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; Put a known value in each register.
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MOV.L #10, R1
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MOV.L #20, R2
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MOV.L #30, R3
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MOV.L #40, R4
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MOV.L #50, R5
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MOV.L #60, R6
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MOV.L #70, R7
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MOV.L #80, R8
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MOV.L #90, R9
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MOV.L #100, R10
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MOV.L #110, R11
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MOV.L #120, R12
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MOV.L #130, R13
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MOV.L #140, R14
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MOV.L #150, R15
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; Loop, checking on each itteration that each register still contains the
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; expected value.
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TestLoop2:
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; Push the registers that are going to get clobbered.
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PUSHM R14-R15
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; Increment the loop counter to show this task is still getting CPU time.
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MOV.L #_ulRegTest2CycleCount, R14
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MOV.L [ R14 ], R15
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ADD #1, R15
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MOV.L R15, [ R14 ]
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; Restore the clobbered registers.
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POPM R14-R15
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CMP #10, R1
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BNE RegTest2Error
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CMP #20, R2
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BNE RegTest2Error
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CMP #30, R3
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BNE RegTest2Error
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CMP #40, R4
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BNE RegTest2Error
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CMP #50, R5
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BNE RegTest2Error
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CMP #60, R6
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BNE RegTest2Error
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CMP #70, R7
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BNE RegTest2Error
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CMP #80, R8
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BNE RegTest2Error
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CMP #90, R9
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BNE RegTest2Error
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CMP #100, R10
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BNE RegTest2Error
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CMP #110, R11
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BNE RegTest2Error
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CMP #120, R12
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BNE RegTest2Error
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CMP #130, R13
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BNE RegTest2Error
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CMP #140, R14
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BNE RegTest2Error
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CMP #150, R15
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BNE RegTest2Error
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; All comparisons passed, start a new itteratio of this loop.
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BRA TestLoop2
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RegTest2Error:
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; A compare failed, something went wrong. Stop the tick and any other
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; interrupts to make it obvious that things have halted.
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CLRPSW I
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BRA RegTest2Error
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}
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|
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