mirror of
https://github.com/FreeRTOS/FreeRTOS-Kernel.git
synced 2025-10-14 00:37:44 -04:00
Add uncrustify github workflow (#659)
* Add uncrustify github workflow * Fix exclusion pattern * fix find expression * exclude uncrustify files * Uncrustify common demo and test files * exlude white space checking files * Fix EOL whitespace checker * Remove whitespaces from EOL * Fix space at EOL * Fix find spaces at EOL Co-authored-by: Archit Aggarwal <architag@amazon.com>
This commit is contained in:
alfred gedeon
GitHub
parent
dd80d615b5
commit
ae92d8c6ee
191 changed files with 17540 additions and 17102 deletions
|
|
@ -26,31 +26,31 @@
|
|||
*/
|
||||
|
||||
/**
|
||||
* The first test creates three tasks - two counter tasks (one continuous count
|
||||
* and one limited count) and one controller. A "count" variable is shared
|
||||
* between all three tasks. The two counter tasks should never be in a "ready"
|
||||
* state at the same time. The controller task runs at the same priority as
|
||||
* the continuous count task, and at a lower priority than the limited count
|
||||
* The first test creates three tasks - two counter tasks (one continuous count
|
||||
* and one limited count) and one controller. A "count" variable is shared
|
||||
* between all three tasks. The two counter tasks should never be in a "ready"
|
||||
* state at the same time. The controller task runs at the same priority as
|
||||
* the continuous count task, and at a lower priority than the limited count
|
||||
* task.
|
||||
*
|
||||
* One counter task loops indefinitely, incrementing the shared count variable
|
||||
* on each iteration. To ensure it has exclusive access to the variable it
|
||||
* raises it's priority above that of the controller task before each
|
||||
* raises it's priority above that of the controller task before each
|
||||
* increment, lowering it again to it's original priority before starting the
|
||||
* next iteration.
|
||||
*
|
||||
* The other counter task increments the shared count variable on each
|
||||
* iteration of it's loop until the count has reached a limit of 0xff - at
|
||||
* which point it suspends itself. It will not start a new loop until the
|
||||
* controller task has made it "ready" again by calling vTaskResume ().
|
||||
* This second counter task operates at a higher priority than controller
|
||||
* task so does not need to worry about mutual exclusion of the counter
|
||||
* which point it suspends itself. It will not start a new loop until the
|
||||
* controller task has made it "ready" again by calling vTaskResume ().
|
||||
* This second counter task operates at a higher priority than controller
|
||||
* task so does not need to worry about mutual exclusion of the counter
|
||||
* variable.
|
||||
*
|
||||
* The controller task is in two sections. The first section controls and
|
||||
* monitors the continuous count task. When this section is operational the
|
||||
* limited count task is suspended. Likewise, the second section controls
|
||||
* and monitors the limited count task. When this section is operational the
|
||||
* monitors the continuous count task. When this section is operational the
|
||||
* limited count task is suspended. Likewise, the second section controls
|
||||
* and monitors the limited count task. When this section is operational the
|
||||
* continuous count task is suspended.
|
||||
*
|
||||
* In the first section the controller task first takes a copy of the shared
|
||||
|
|
@ -60,11 +60,11 @@
|
|||
* the continuous count task will execute and increment the shared variable.
|
||||
* When the controller task wakes it checks that the continuous count task
|
||||
* has executed by comparing the copy of the shared variable with its current
|
||||
* value. This time, to ensure mutual exclusion, the scheduler itself is
|
||||
* suspended with a call to vTaskSuspendAll (). This is for demonstration
|
||||
* value. This time, to ensure mutual exclusion, the scheduler itself is
|
||||
* suspended with a call to vTaskSuspendAll (). This is for demonstration
|
||||
* purposes only and is not a recommended technique due to its inefficiency.
|
||||
*
|
||||
* After a fixed number of iterations the controller task suspends the
|
||||
* After a fixed number of iterations the controller task suspends the
|
||||
* continuous count task, and moves on to its second section.
|
||||
*
|
||||
* At the start of the second section the shared variable is cleared to zero.
|
||||
|
|
@ -76,7 +76,7 @@
|
|||
* a check on the shared variable to ensure everything is as expected.
|
||||
*
|
||||
*
|
||||
* The second test consists of a couple of very simple tasks that post onto a
|
||||
* The second test consists of a couple of very simple tasks that post onto a
|
||||
* queue while the scheduler is suspended. This test was added to test parts
|
||||
* of the scheduler not exercised by the first test.
|
||||
*
|
||||
|
|
@ -91,20 +91,20 @@
|
|||
*/
|
||||
|
||||
/*
|
||||
Changes from V2.0.0
|
||||
|
||||
+ Delay periods are now specified using variables and constants of
|
||||
TickType_t rather than unsigned long.
|
||||
+ Added a second, simple test that uses the functions
|
||||
vQueueReceiveWhenSuspendedTask() and vQueueSendWhenSuspendedTask().
|
||||
|
||||
Changes from V3.1.1
|
||||
|
||||
+ Added a third simple test that uses the vTaskPrioritySet() function
|
||||
while the scheduler is suspended.
|
||||
+ Modified the controller task slightly to test the calling of
|
||||
vTaskResumeAll() while the scheduler is suspended.
|
||||
*/
|
||||
* Changes from V2.0.0
|
||||
*
|
||||
+ Delay periods are now specified using variables and constants of
|
||||
+ TickType_t rather than unsigned long.
|
||||
+ Added a second, simple test that uses the functions
|
||||
+ vQueueReceiveWhenSuspendedTask() and vQueueSendWhenSuspendedTask().
|
||||
+
|
||||
+ Changes from V3.1.1
|
||||
+
|
||||
+ Added a third simple test that uses the vTaskPrioritySet() function
|
||||
+ while the scheduler is suspended.
|
||||
+ Modified the controller task slightly to test the calling of
|
||||
+ vTaskResumeAll() while the scheduler is suspended.
|
||||
*/
|
||||
|
||||
#include <stdlib.h>
|
||||
|
||||
|
|
@ -127,42 +127,42 @@ static void vContinuousIncrementTask( void * pvParameters );
|
|||
static void vCounterControlTask( void * pvParameters );
|
||||
|
||||
/* The simple test functions that check sending and receiving while the
|
||||
scheduler is suspended. */
|
||||
static void vQueueReceiveWhenSuspendedTask( void *pvParameters );
|
||||
static void vQueueSendWhenSuspendedTask( void *pvParameters );
|
||||
* scheduler is suspended. */
|
||||
static void vQueueReceiveWhenSuspendedTask( void * pvParameters );
|
||||
static void vQueueSendWhenSuspendedTask( void * pvParameters );
|
||||
|
||||
/* The simple test functions that check raising and lowering of task priorities
|
||||
while the scheduler is suspended. */
|
||||
static void prvChangePriorityWhenSuspendedTask( void *pvParameters );
|
||||
static void prvChangePriorityHelperTask( void *pvParameters );
|
||||
* while the scheduler is suspended. */
|
||||
static void prvChangePriorityWhenSuspendedTask( void * pvParameters );
|
||||
static void prvChangePriorityHelperTask( void * pvParameters );
|
||||
|
||||
|
||||
/* Demo task specific constants. */
|
||||
#define priSTACK_SIZE ( ( unsigned short ) configMINIMAL_STACK_SIZE )
|
||||
#define priSLEEP_TIME ( ( TickType_t ) 50 )
|
||||
#define priLOOPS ( 5 )
|
||||
#define priMAX_COUNT ( ( unsigned long ) 0xff )
|
||||
#define priNO_BLOCK ( ( TickType_t ) 0 )
|
||||
#define priSUSPENDED_QUEUE_LENGTH ( 1 )
|
||||
#define priSTACK_SIZE ( ( unsigned short ) configMINIMAL_STACK_SIZE )
|
||||
#define priSLEEP_TIME ( ( TickType_t ) 50 )
|
||||
#define priLOOPS ( 5 )
|
||||
#define priMAX_COUNT ( ( unsigned long ) 0xff )
|
||||
#define priNO_BLOCK ( ( TickType_t ) 0 )
|
||||
#define priSUSPENDED_QUEUE_LENGTH ( 1 )
|
||||
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
/* Handles to the two counter tasks. These could be passed in as parameters
|
||||
to the controller task to prevent them having to be file scope. */
|
||||
* to the controller task to prevent them having to be file scope. */
|
||||
static TaskHandle_t xContinuousIncrementHandle, xLimitedIncrementHandle, xChangePriorityWhenSuspendedHandle;
|
||||
|
||||
/* The shared counter variable. This is passed in as a parameter to the two
|
||||
counter variables for demonstration purposes. */
|
||||
/* The shared counter variable. This is passed in as a parameter to the two
|
||||
* counter variables for demonstration purposes. */
|
||||
static unsigned long ulCounter;
|
||||
|
||||
/* Variable used in a similar way by the test that checks the raising and
|
||||
lowering of task priorities while the scheduler is suspended. */
|
||||
* lowering of task priorities while the scheduler is suspended. */
|
||||
static unsigned long ulPrioritySetCounter;
|
||||
|
||||
/* Variables used to check that the tasks are still operating without error.
|
||||
Each complete iteration of the controller task increments this variable
|
||||
provided no errors have been found. The variable maintaining the same value
|
||||
is therefore indication of an error. */
|
||||
* Each complete iteration of the controller task increments this variable
|
||||
* provided no errors have been found. The variable maintaining the same value
|
||||
* is therefore indication of an error. */
|
||||
static unsigned short usCheckVariable = ( unsigned short ) 0;
|
||||
static portBASE_TYPE xSuspendedQueueSendError = pdFALSE;
|
||||
static portBASE_TYPE xSuspendedQueueReceiveError = pdFALSE;
|
||||
|
|
@ -172,49 +172,50 @@ static portBASE_TYPE xPriorityRaiseWhenSuspendedError = pdFALSE;
|
|||
QueueHandle_t xSuspendedTestQueue;
|
||||
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
/*
|
||||
* Start the seven tasks as described at the top of the file.
|
||||
* Note that the limited count task is given a higher priority.
|
||||
*/
|
||||
void vStartDynamicPriorityTasks( void )
|
||||
{
|
||||
xSuspendedTestQueue = xQueueCreate( priSUSPENDED_QUEUE_LENGTH, sizeof( unsigned long ) );
|
||||
xTaskCreate( vContinuousIncrementTask, "CONT_INC", priSTACK_SIZE, ( void * ) &ulCounter, tskIDLE_PRIORITY, &xContinuousIncrementHandle );
|
||||
xTaskCreate( vLimitedIncrementTask, "LIM_INC", priSTACK_SIZE, ( void * ) &ulCounter, tskIDLE_PRIORITY + 1, &xLimitedIncrementHandle );
|
||||
xTaskCreate( vCounterControlTask, "C_CTRL", priSTACK_SIZE, NULL, tskIDLE_PRIORITY, NULL );
|
||||
xTaskCreate( vQueueSendWhenSuspendedTask, "SUSP_SEND", priSTACK_SIZE, NULL, tskIDLE_PRIORITY, NULL );
|
||||
xTaskCreate( vQueueReceiveWhenSuspendedTask, "SUSP_RECV", priSTACK_SIZE, NULL, tskIDLE_PRIORITY, NULL );
|
||||
xTaskCreate( prvChangePriorityWhenSuspendedTask, "1st_P_CHANGE", priSTACK_SIZE, NULL, tskIDLE_PRIORITY + 1, NULL );
|
||||
xTaskCreate( prvChangePriorityHelperTask, "2nd_P_CHANGE", priSTACK_SIZE, NULL, tskIDLE_PRIORITY, &xChangePriorityWhenSuspendedHandle );
|
||||
xSuspendedTestQueue = xQueueCreate( priSUSPENDED_QUEUE_LENGTH, sizeof( unsigned long ) );
|
||||
xTaskCreate( vContinuousIncrementTask, "CONT_INC", priSTACK_SIZE, ( void * ) &ulCounter, tskIDLE_PRIORITY, &xContinuousIncrementHandle );
|
||||
xTaskCreate( vLimitedIncrementTask, "LIM_INC", priSTACK_SIZE, ( void * ) &ulCounter, tskIDLE_PRIORITY + 1, &xLimitedIncrementHandle );
|
||||
xTaskCreate( vCounterControlTask, "C_CTRL", priSTACK_SIZE, NULL, tskIDLE_PRIORITY, NULL );
|
||||
xTaskCreate( vQueueSendWhenSuspendedTask, "SUSP_SEND", priSTACK_SIZE, NULL, tskIDLE_PRIORITY, NULL );
|
||||
xTaskCreate( vQueueReceiveWhenSuspendedTask, "SUSP_RECV", priSTACK_SIZE, NULL, tskIDLE_PRIORITY, NULL );
|
||||
xTaskCreate( prvChangePriorityWhenSuspendedTask, "1st_P_CHANGE", priSTACK_SIZE, NULL, tskIDLE_PRIORITY + 1, NULL );
|
||||
xTaskCreate( prvChangePriorityHelperTask, "2nd_P_CHANGE", priSTACK_SIZE, NULL, tskIDLE_PRIORITY, &xChangePriorityWhenSuspendedHandle );
|
||||
}
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
/*
|
||||
* Just loops around incrementing the shared variable until the limit has been
|
||||
* reached. Once the limit has been reached it suspends itself.
|
||||
* reached. Once the limit has been reached it suspends itself.
|
||||
*/
|
||||
static void vLimitedIncrementTask( void * pvParameters )
|
||||
{
|
||||
unsigned long *pulCounter;
|
||||
unsigned long * pulCounter;
|
||||
|
||||
/* Take a pointer to the shared variable from the parameters passed into
|
||||
the task. */
|
||||
pulCounter = ( unsigned long * ) pvParameters;
|
||||
/* Take a pointer to the shared variable from the parameters passed into
|
||||
* the task. */
|
||||
pulCounter = ( unsigned long * ) pvParameters;
|
||||
|
||||
/* This will run before the control task, so the first thing it does is
|
||||
suspend - the control task will resume it when ready. */
|
||||
vTaskSuspend( NULL );
|
||||
/* This will run before the control task, so the first thing it does is
|
||||
* suspend - the control task will resume it when ready. */
|
||||
vTaskSuspend( NULL );
|
||||
|
||||
for( ;; )
|
||||
{
|
||||
/* Just count up to a value then suspend. */
|
||||
( *pulCounter )++;
|
||||
|
||||
if( *pulCounter >= priMAX_COUNT )
|
||||
{
|
||||
vTaskSuspend( NULL );
|
||||
}
|
||||
}
|
||||
for( ; ; )
|
||||
{
|
||||
/* Just count up to a value then suspend. */
|
||||
( *pulCounter )++;
|
||||
|
||||
if( *pulCounter >= priMAX_COUNT )
|
||||
{
|
||||
vTaskSuspend( NULL );
|
||||
}
|
||||
}
|
||||
}
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
|
|
@ -224,29 +225,29 @@ unsigned long *pulCounter;
|
|||
*/
|
||||
static void vContinuousIncrementTask( void * pvParameters )
|
||||
{
|
||||
unsigned long *pulCounter;
|
||||
unsigned portBASE_TYPE uxOurPriority;
|
||||
unsigned long * pulCounter;
|
||||
unsigned portBASE_TYPE uxOurPriority;
|
||||
|
||||
/* Take a pointer to the shared variable from the parameters passed into
|
||||
the task. */
|
||||
pulCounter = ( unsigned long * ) pvParameters;
|
||||
/* Take a pointer to the shared variable from the parameters passed into
|
||||
* the task. */
|
||||
pulCounter = ( unsigned long * ) pvParameters;
|
||||
|
||||
/* Query our priority so we can raise it when exclusive access to the
|
||||
shared variable is required. */
|
||||
uxOurPriority = uxTaskPriorityGet( NULL );
|
||||
/* Query our priority so we can raise it when exclusive access to the
|
||||
* shared variable is required. */
|
||||
uxOurPriority = uxTaskPriorityGet( NULL );
|
||||
|
||||
for( ;; )
|
||||
{
|
||||
/* Raise our priority above the controller task to ensure a context
|
||||
switch does not occur while we are accessing this variable. */
|
||||
vTaskPrioritySet( NULL, uxOurPriority + 1 );
|
||||
( *pulCounter )++;
|
||||
vTaskPrioritySet( NULL, uxOurPriority );
|
||||
for( ; ; )
|
||||
{
|
||||
/* Raise our priority above the controller task to ensure a context
|
||||
* switch does not occur while we are accessing this variable. */
|
||||
vTaskPrioritySet( NULL, uxOurPriority + 1 );
|
||||
( *pulCounter )++;
|
||||
vTaskPrioritySet( NULL, uxOurPriority );
|
||||
|
||||
#if configUSE_PREEMPTION == 0
|
||||
taskYIELD();
|
||||
#endif
|
||||
}
|
||||
#if configUSE_PREEMPTION == 0
|
||||
taskYIELD();
|
||||
#endif
|
||||
}
|
||||
}
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
|
|
@ -255,324 +256,320 @@ unsigned portBASE_TYPE uxOurPriority;
|
|||
*/
|
||||
static void vCounterControlTask( void * pvParameters )
|
||||
{
|
||||
unsigned long ulLastCounter;
|
||||
short sLoops;
|
||||
short sError = pdFALSE;
|
||||
const char * const pcTaskStartMsg = "Priority manipulation tasks started.\r\n";
|
||||
const char * const pcTaskFailMsg = "Priority manipulation Task Failed\r\n";
|
||||
unsigned long ulLastCounter;
|
||||
short sLoops;
|
||||
short sError = pdFALSE;
|
||||
const char * const pcTaskStartMsg = "Priority manipulation tasks started.\r\n";
|
||||
const char * const pcTaskFailMsg = "Priority manipulation Task Failed\r\n";
|
||||
|
||||
/* Just to stop warning messages. */
|
||||
( void ) pvParameters;
|
||||
/* Just to stop warning messages. */
|
||||
( void ) pvParameters;
|
||||
|
||||
/* Queue a message for printing to say the task has started. */
|
||||
vPrintDisplayMessage( &pcTaskStartMsg );
|
||||
/* Queue a message for printing to say the task has started. */
|
||||
vPrintDisplayMessage( &pcTaskStartMsg );
|
||||
|
||||
for( ;; )
|
||||
{
|
||||
/* Start with the counter at zero. */
|
||||
ulCounter = ( unsigned long ) 0;
|
||||
for( ; ; )
|
||||
{
|
||||
/* Start with the counter at zero. */
|
||||
ulCounter = ( unsigned long ) 0;
|
||||
|
||||
/* First section : */
|
||||
/* First section : */
|
||||
|
||||
/* Check the continuous count task is running. */
|
||||
for( sLoops = 0; sLoops < priLOOPS; sLoops++ )
|
||||
{
|
||||
/* Suspend the continuous count task so we can take a mirror of the
|
||||
shared variable without risk of corruption. */
|
||||
vTaskSuspend( xContinuousIncrementHandle );
|
||||
ulLastCounter = ulCounter;
|
||||
vTaskResume( xContinuousIncrementHandle );
|
||||
|
||||
/* Now delay to ensure the other task has processor time. */
|
||||
vTaskDelay( priSLEEP_TIME );
|
||||
/* Check the continuous count task is running. */
|
||||
for( sLoops = 0; sLoops < priLOOPS; sLoops++ )
|
||||
{
|
||||
/* Suspend the continuous count task so we can take a mirror of the
|
||||
* shared variable without risk of corruption. */
|
||||
vTaskSuspend( xContinuousIncrementHandle );
|
||||
ulLastCounter = ulCounter;
|
||||
vTaskResume( xContinuousIncrementHandle );
|
||||
|
||||
/* Check the shared variable again. This time to ensure mutual
|
||||
exclusion the whole scheduler will be locked. This is just for
|
||||
demo purposes! */
|
||||
vTaskSuspendAll();
|
||||
{
|
||||
if( ulLastCounter == ulCounter )
|
||||
{
|
||||
/* The shared variable has not changed. There is a problem
|
||||
with the continuous count task so flag an error. */
|
||||
sError = pdTRUE;
|
||||
xTaskResumeAll();
|
||||
vPrintDisplayMessage( &pcTaskFailMsg );
|
||||
vTaskSuspendAll();
|
||||
}
|
||||
}
|
||||
xTaskResumeAll();
|
||||
}
|
||||
/* Now delay to ensure the other task has processor time. */
|
||||
vTaskDelay( priSLEEP_TIME );
|
||||
|
||||
/* Check the shared variable again. This time to ensure mutual
|
||||
* exclusion the whole scheduler will be locked. This is just for
|
||||
* demo purposes! */
|
||||
vTaskSuspendAll();
|
||||
{
|
||||
if( ulLastCounter == ulCounter )
|
||||
{
|
||||
/* The shared variable has not changed. There is a problem
|
||||
* with the continuous count task so flag an error. */
|
||||
sError = pdTRUE;
|
||||
xTaskResumeAll();
|
||||
vPrintDisplayMessage( &pcTaskFailMsg );
|
||||
vTaskSuspendAll();
|
||||
}
|
||||
}
|
||||
xTaskResumeAll();
|
||||
}
|
||||
|
||||
/* Second section: */
|
||||
/* Second section: */
|
||||
|
||||
/* Suspend the continuous counter task so it stops accessing the shared variable. */
|
||||
vTaskSuspend( xContinuousIncrementHandle );
|
||||
/* Suspend the continuous counter task so it stops accessing the shared variable. */
|
||||
vTaskSuspend( xContinuousIncrementHandle );
|
||||
|
||||
/* Reset the variable. */
|
||||
ulCounter = ( unsigned long ) 0;
|
||||
/* Reset the variable. */
|
||||
ulCounter = ( unsigned long ) 0;
|
||||
|
||||
/* Resume the limited count task which has a higher priority than us.
|
||||
We should therefore not return from this call until the limited count
|
||||
task has suspended itself with a known value in the counter variable.
|
||||
The scheduler suspension is not necessary but is included for test
|
||||
purposes. */
|
||||
vTaskSuspendAll();
|
||||
vTaskResume( xLimitedIncrementHandle );
|
||||
xTaskResumeAll();
|
||||
/* Resume the limited count task which has a higher priority than us.
|
||||
* We should therefore not return from this call until the limited count
|
||||
* task has suspended itself with a known value in the counter variable.
|
||||
* The scheduler suspension is not necessary but is included for test
|
||||
* purposes. */
|
||||
vTaskSuspendAll();
|
||||
vTaskResume( xLimitedIncrementHandle );
|
||||
xTaskResumeAll();
|
||||
|
||||
/* Does the counter variable have the expected value? */
|
||||
if( ulCounter != priMAX_COUNT )
|
||||
{
|
||||
sError = pdTRUE;
|
||||
vPrintDisplayMessage( &pcTaskFailMsg );
|
||||
}
|
||||
/* Does the counter variable have the expected value? */
|
||||
if( ulCounter != priMAX_COUNT )
|
||||
{
|
||||
sError = pdTRUE;
|
||||
vPrintDisplayMessage( &pcTaskFailMsg );
|
||||
}
|
||||
|
||||
if( sError == pdFALSE )
|
||||
{
|
||||
/* If no errors have occurred then increment the check variable. */
|
||||
portENTER_CRITICAL();
|
||||
usCheckVariable++;
|
||||
portEXIT_CRITICAL();
|
||||
}
|
||||
if( sError == pdFALSE )
|
||||
{
|
||||
/* If no errors have occurred then increment the check variable. */
|
||||
portENTER_CRITICAL();
|
||||
usCheckVariable++;
|
||||
portEXIT_CRITICAL();
|
||||
}
|
||||
|
||||
#if configUSE_PREEMPTION == 0
|
||||
taskYIELD();
|
||||
#endif
|
||||
#if configUSE_PREEMPTION == 0
|
||||
taskYIELD();
|
||||
#endif
|
||||
|
||||
/* Resume the continuous count task and do it all again. */
|
||||
vTaskResume( xContinuousIncrementHandle );
|
||||
}
|
||||
/* Resume the continuous count task and do it all again. */
|
||||
vTaskResume( xContinuousIncrementHandle );
|
||||
}
|
||||
}
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
static void vQueueSendWhenSuspendedTask( void *pvParameters )
|
||||
static void vQueueSendWhenSuspendedTask( void * pvParameters )
|
||||
{
|
||||
static unsigned long ulValueToSend = ( unsigned long ) 0;
|
||||
const char * const pcTaskStartMsg = "Queue send while suspended task started.\r\n";
|
||||
const char * const pcTaskFailMsg = "Queue send while suspended failed.\r\n";
|
||||
static unsigned long ulValueToSend = ( unsigned long ) 0;
|
||||
const char * const pcTaskStartMsg = "Queue send while suspended task started.\r\n";
|
||||
const char * const pcTaskFailMsg = "Queue send while suspended failed.\r\n";
|
||||
|
||||
/* Just to stop warning messages. */
|
||||
( void ) pvParameters;
|
||||
/* Just to stop warning messages. */
|
||||
( void ) pvParameters;
|
||||
|
||||
/* Queue a message for printing to say the task has started. */
|
||||
vPrintDisplayMessage( &pcTaskStartMsg );
|
||||
/* Queue a message for printing to say the task has started. */
|
||||
vPrintDisplayMessage( &pcTaskStartMsg );
|
||||
|
||||
for( ;; )
|
||||
{
|
||||
vTaskSuspendAll();
|
||||
{
|
||||
/* We must not block while the scheduler is suspended! */
|
||||
if( xQueueSend( xSuspendedTestQueue, ( void * ) &ulValueToSend, priNO_BLOCK ) != pdTRUE )
|
||||
{
|
||||
if( xSuspendedQueueSendError == pdFALSE )
|
||||
{
|
||||
xTaskResumeAll();
|
||||
vPrintDisplayMessage( &pcTaskFailMsg );
|
||||
vTaskSuspendAll();
|
||||
}
|
||||
for( ; ; )
|
||||
{
|
||||
vTaskSuspendAll();
|
||||
{
|
||||
/* We must not block while the scheduler is suspended! */
|
||||
if( xQueueSend( xSuspendedTestQueue, ( void * ) &ulValueToSend, priNO_BLOCK ) != pdTRUE )
|
||||
{
|
||||
if( xSuspendedQueueSendError == pdFALSE )
|
||||
{
|
||||
xTaskResumeAll();
|
||||
vPrintDisplayMessage( &pcTaskFailMsg );
|
||||
vTaskSuspendAll();
|
||||
}
|
||||
|
||||
xSuspendedQueueSendError = pdTRUE;
|
||||
}
|
||||
}
|
||||
xTaskResumeAll();
|
||||
xSuspendedQueueSendError = pdTRUE;
|
||||
}
|
||||
}
|
||||
xTaskResumeAll();
|
||||
|
||||
vTaskDelay( priSLEEP_TIME );
|
||||
vTaskDelay( priSLEEP_TIME );
|
||||
|
||||
++ulValueToSend;
|
||||
}
|
||||
++ulValueToSend;
|
||||
}
|
||||
}
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
static void vQueueReceiveWhenSuspendedTask( void *pvParameters )
|
||||
static void vQueueReceiveWhenSuspendedTask( void * pvParameters )
|
||||
{
|
||||
static unsigned long ulExpectedValue = ( unsigned long ) 0, ulReceivedValue;
|
||||
const char * const pcTaskStartMsg = "Queue receive while suspended task started.\r\n";
|
||||
const char * const pcTaskFailMsg = "Queue receive while suspended failed.\r\n";
|
||||
portBASE_TYPE xGotValue;
|
||||
static unsigned long ulExpectedValue = ( unsigned long ) 0, ulReceivedValue;
|
||||
const char * const pcTaskStartMsg = "Queue receive while suspended task started.\r\n";
|
||||
const char * const pcTaskFailMsg = "Queue receive while suspended failed.\r\n";
|
||||
portBASE_TYPE xGotValue;
|
||||
|
||||
/* Just to stop warning messages. */
|
||||
( void ) pvParameters;
|
||||
/* Just to stop warning messages. */
|
||||
( void ) pvParameters;
|
||||
|
||||
/* Queue a message for printing to say the task has started. */
|
||||
vPrintDisplayMessage( &pcTaskStartMsg );
|
||||
/* Queue a message for printing to say the task has started. */
|
||||
vPrintDisplayMessage( &pcTaskStartMsg );
|
||||
|
||||
for( ;; )
|
||||
{
|
||||
do
|
||||
{
|
||||
/* Suspending the scheduler here is fairly pointless and
|
||||
undesirable for a normal application. It is done here purely
|
||||
to test the scheduler. The inner xTaskResumeAll() should
|
||||
never return pdTRUE as the scheduler is still locked by the
|
||||
outer call. */
|
||||
vTaskSuspendAll();
|
||||
{
|
||||
vTaskSuspendAll();
|
||||
{
|
||||
xGotValue = xQueueReceive( xSuspendedTestQueue, ( void * ) &ulReceivedValue, priNO_BLOCK );
|
||||
}
|
||||
if( xTaskResumeAll() )
|
||||
{
|
||||
xSuspendedQueueReceiveError = pdTRUE;
|
||||
}
|
||||
}
|
||||
xTaskResumeAll();
|
||||
for( ; ; )
|
||||
{
|
||||
do
|
||||
{
|
||||
/* Suspending the scheduler here is fairly pointless and
|
||||
* undesirable for a normal application. It is done here purely
|
||||
* to test the scheduler. The inner xTaskResumeAll() should
|
||||
* never return pdTRUE as the scheduler is still locked by the
|
||||
* outer call. */
|
||||
vTaskSuspendAll();
|
||||
{
|
||||
vTaskSuspendAll();
|
||||
{
|
||||
xGotValue = xQueueReceive( xSuspendedTestQueue, ( void * ) &ulReceivedValue, priNO_BLOCK );
|
||||
}
|
||||
|
||||
#if configUSE_PREEMPTION == 0
|
||||
taskYIELD();
|
||||
#endif
|
||||
if( xTaskResumeAll() )
|
||||
{
|
||||
xSuspendedQueueReceiveError = pdTRUE;
|
||||
}
|
||||
}
|
||||
xTaskResumeAll();
|
||||
|
||||
} while( xGotValue == pdFALSE );
|
||||
#if configUSE_PREEMPTION == 0
|
||||
taskYIELD();
|
||||
#endif
|
||||
} while( xGotValue == pdFALSE );
|
||||
|
||||
if( ulReceivedValue != ulExpectedValue )
|
||||
{
|
||||
if( xSuspendedQueueReceiveError == pdFALSE )
|
||||
{
|
||||
vPrintDisplayMessage( &pcTaskFailMsg );
|
||||
}
|
||||
xSuspendedQueueReceiveError = pdTRUE;
|
||||
}
|
||||
if( ulReceivedValue != ulExpectedValue )
|
||||
{
|
||||
if( xSuspendedQueueReceiveError == pdFALSE )
|
||||
{
|
||||
vPrintDisplayMessage( &pcTaskFailMsg );
|
||||
}
|
||||
|
||||
++ulExpectedValue;
|
||||
}
|
||||
xSuspendedQueueReceiveError = pdTRUE;
|
||||
}
|
||||
|
||||
++ulExpectedValue;
|
||||
}
|
||||
}
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
static void prvChangePriorityWhenSuspendedTask( void *pvParameters )
|
||||
static void prvChangePriorityWhenSuspendedTask( void * pvParameters )
|
||||
{
|
||||
const char * const pcTaskStartMsg = "Priority change when suspended task started.\r\n";
|
||||
const char * const pcTaskFailMsg = "Priority change when suspended task failed.\r\n";
|
||||
const char * const pcTaskStartMsg = "Priority change when suspended task started.\r\n";
|
||||
const char * const pcTaskFailMsg = "Priority change when suspended task failed.\r\n";
|
||||
|
||||
/* Just to stop warning messages. */
|
||||
( void ) pvParameters;
|
||||
/* Just to stop warning messages. */
|
||||
( void ) pvParameters;
|
||||
|
||||
/* Queue a message for printing to say the task has started. */
|
||||
vPrintDisplayMessage( &pcTaskStartMsg );
|
||||
|
||||
for( ;; )
|
||||
{
|
||||
/* Start with the counter at 0 so we know what the counter should be
|
||||
when we check it next. */
|
||||
ulPrioritySetCounter = ( unsigned long ) 0;
|
||||
/* Queue a message for printing to say the task has started. */
|
||||
vPrintDisplayMessage( &pcTaskStartMsg );
|
||||
|
||||
/* Resume the helper task. At this time it has a priority lower than
|
||||
ours so no context switch should occur. */
|
||||
vTaskResume( xChangePriorityWhenSuspendedHandle );
|
||||
for( ; ; )
|
||||
{
|
||||
/* Start with the counter at 0 so we know what the counter should be
|
||||
* when we check it next. */
|
||||
ulPrioritySetCounter = ( unsigned long ) 0;
|
||||
|
||||
/* Check to ensure the task just resumed has not executed. */
|
||||
portENTER_CRITICAL();
|
||||
{
|
||||
if( ulPrioritySetCounter != ( unsigned long ) 0 )
|
||||
{
|
||||
xPriorityRaiseWhenSuspendedError = pdTRUE;
|
||||
vPrintDisplayMessage( &pcTaskFailMsg );
|
||||
}
|
||||
}
|
||||
portEXIT_CRITICAL();
|
||||
/* Resume the helper task. At this time it has a priority lower than
|
||||
* ours so no context switch should occur. */
|
||||
vTaskResume( xChangePriorityWhenSuspendedHandle );
|
||||
|
||||
/* Now try raising the priority while the scheduler is suspended. */
|
||||
vTaskSuspendAll();
|
||||
{
|
||||
vTaskPrioritySet( xChangePriorityWhenSuspendedHandle, ( configMAX_PRIORITIES - 1 ) );
|
||||
/* Check to ensure the task just resumed has not executed. */
|
||||
portENTER_CRITICAL();
|
||||
{
|
||||
if( ulPrioritySetCounter != ( unsigned long ) 0 )
|
||||
{
|
||||
xPriorityRaiseWhenSuspendedError = pdTRUE;
|
||||
vPrintDisplayMessage( &pcTaskFailMsg );
|
||||
}
|
||||
}
|
||||
portEXIT_CRITICAL();
|
||||
|
||||
/* Again, even though the helper task has a priority greater than
|
||||
ours, it should not have executed yet because the scheduler is
|
||||
suspended. */
|
||||
portENTER_CRITICAL();
|
||||
{
|
||||
if( ulPrioritySetCounter != ( unsigned long ) 0 )
|
||||
{
|
||||
xPriorityRaiseWhenSuspendedError = pdTRUE;
|
||||
vPrintDisplayMessage( &pcTaskFailMsg );
|
||||
}
|
||||
}
|
||||
portEXIT_CRITICAL();
|
||||
}
|
||||
xTaskResumeAll();
|
||||
|
||||
/* Now the scheduler has been resumed the helper task should
|
||||
immediately preempt us and execute. When it executes it will increment
|
||||
the ulPrioritySetCounter exactly once before suspending itself.
|
||||
/* Now try raising the priority while the scheduler is suspended. */
|
||||
vTaskSuspendAll();
|
||||
{
|
||||
vTaskPrioritySet( xChangePriorityWhenSuspendedHandle, ( configMAX_PRIORITIES - 1 ) );
|
||||
|
||||
We should now always find the counter set to 1. */
|
||||
portENTER_CRITICAL();
|
||||
{
|
||||
if( ulPrioritySetCounter != ( unsigned long ) 1 )
|
||||
{
|
||||
xPriorityRaiseWhenSuspendedError = pdTRUE;
|
||||
vPrintDisplayMessage( &pcTaskFailMsg );
|
||||
}
|
||||
}
|
||||
portEXIT_CRITICAL();
|
||||
/* Again, even though the helper task has a priority greater than
|
||||
* ours, it should not have executed yet because the scheduler is
|
||||
* suspended. */
|
||||
portENTER_CRITICAL();
|
||||
{
|
||||
if( ulPrioritySetCounter != ( unsigned long ) 0 )
|
||||
{
|
||||
xPriorityRaiseWhenSuspendedError = pdTRUE;
|
||||
vPrintDisplayMessage( &pcTaskFailMsg );
|
||||
}
|
||||
}
|
||||
portEXIT_CRITICAL();
|
||||
}
|
||||
xTaskResumeAll();
|
||||
|
||||
/* Delay until we try this again. */
|
||||
vTaskDelay( priSLEEP_TIME * 2 );
|
||||
|
||||
/* Set the priority of the helper task back ready for the next
|
||||
execution of this task. */
|
||||
vTaskSuspendAll();
|
||||
vTaskPrioritySet( xChangePriorityWhenSuspendedHandle, tskIDLE_PRIORITY );
|
||||
xTaskResumeAll();
|
||||
}
|
||||
/* Now the scheduler has been resumed the helper task should
|
||||
* immediately preempt us and execute. When it executes it will increment
|
||||
* the ulPrioritySetCounter exactly once before suspending itself.
|
||||
*
|
||||
* We should now always find the counter set to 1. */
|
||||
portENTER_CRITICAL();
|
||||
{
|
||||
if( ulPrioritySetCounter != ( unsigned long ) 1 )
|
||||
{
|
||||
xPriorityRaiseWhenSuspendedError = pdTRUE;
|
||||
vPrintDisplayMessage( &pcTaskFailMsg );
|
||||
}
|
||||
}
|
||||
portEXIT_CRITICAL();
|
||||
|
||||
/* Delay until we try this again. */
|
||||
vTaskDelay( priSLEEP_TIME * 2 );
|
||||
|
||||
/* Set the priority of the helper task back ready for the next
|
||||
* execution of this task. */
|
||||
vTaskSuspendAll();
|
||||
vTaskPrioritySet( xChangePriorityWhenSuspendedHandle, tskIDLE_PRIORITY );
|
||||
xTaskResumeAll();
|
||||
}
|
||||
}
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
static void prvChangePriorityHelperTask( void *pvParameters )
|
||||
static void prvChangePriorityHelperTask( void * pvParameters )
|
||||
{
|
||||
/* Just to stop warning messages. */
|
||||
( void ) pvParameters;
|
||||
/* Just to stop warning messages. */
|
||||
( void ) pvParameters;
|
||||
|
||||
for( ;; )
|
||||
{
|
||||
/* This is the helper task for prvChangePriorityWhenSuspendedTask().
|
||||
It has it's priority raised and lowered. When it runs it simply
|
||||
increments the counter then suspends itself again. This allows
|
||||
prvChangePriorityWhenSuspendedTask() to know how many times it has
|
||||
executed. */
|
||||
ulPrioritySetCounter++;
|
||||
vTaskSuspend( NULL );
|
||||
}
|
||||
for( ; ; )
|
||||
{
|
||||
/* This is the helper task for prvChangePriorityWhenSuspendedTask().
|
||||
* It has it's priority raised and lowered. When it runs it simply
|
||||
* increments the counter then suspends itself again. This allows
|
||||
* prvChangePriorityWhenSuspendedTask() to know how many times it has
|
||||
* executed. */
|
||||
ulPrioritySetCounter++;
|
||||
vTaskSuspend( NULL );
|
||||
}
|
||||
}
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
/* Called to check that all the created tasks are still running without error. */
|
||||
portBASE_TYPE xAreDynamicPriorityTasksStillRunning( void )
|
||||
{
|
||||
/* Keep a history of the check variables so we know if it has been incremented
|
||||
since the last call. */
|
||||
static unsigned short usLastTaskCheck = ( unsigned short ) 0;
|
||||
portBASE_TYPE xReturn = pdTRUE;
|
||||
/* Keep a history of the check variables so we know if it has been incremented
|
||||
* since the last call. */
|
||||
static unsigned short usLastTaskCheck = ( unsigned short ) 0;
|
||||
portBASE_TYPE xReturn = pdTRUE;
|
||||
|
||||
/* Check the tasks are still running by ensuring the check variable
|
||||
is still incrementing. */
|
||||
/* Check the tasks are still running by ensuring the check variable
|
||||
* is still incrementing. */
|
||||
|
||||
if( usCheckVariable == usLastTaskCheck )
|
||||
{
|
||||
/* The check has not incremented so an error exists. */
|
||||
xReturn = pdFALSE;
|
||||
}
|
||||
if( usCheckVariable == usLastTaskCheck )
|
||||
{
|
||||
/* The check has not incremented so an error exists. */
|
||||
xReturn = pdFALSE;
|
||||
}
|
||||
|
||||
if( xSuspendedQueueSendError == pdTRUE )
|
||||
{
|
||||
xReturn = pdFALSE;
|
||||
}
|
||||
if( xSuspendedQueueSendError == pdTRUE )
|
||||
{
|
||||
xReturn = pdFALSE;
|
||||
}
|
||||
|
||||
if( xSuspendedQueueReceiveError == pdTRUE )
|
||||
{
|
||||
xReturn = pdFALSE;
|
||||
}
|
||||
if( xSuspendedQueueReceiveError == pdTRUE )
|
||||
{
|
||||
xReturn = pdFALSE;
|
||||
}
|
||||
|
||||
if( xPriorityRaiseWhenSuspendedError == pdTRUE )
|
||||
{
|
||||
xReturn = pdFALSE;
|
||||
}
|
||||
if( xPriorityRaiseWhenSuspendedError == pdTRUE )
|
||||
{
|
||||
xReturn = pdFALSE;
|
||||
}
|
||||
|
||||
usLastTaskCheck = usCheckVariable;
|
||||
return xReturn;
|
||||
usLastTaskCheck = usCheckVariable;
|
||||
return xReturn;
|
||||
}
|
||||
|
||||
|
||||
|
||||
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue