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Cosmetic changes only.

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This commit is contained in:
Richard Barry 2017-04-26 00:23:57 +00:00
parent a99cd32208
commit 2e89c13c1c
6 changed files with 59 additions and 59 deletions
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58
FreeRTOS/Demo/Common/Minimal/sp_flop.c
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@ -68,15 +68,15 @@
*/
/*
* Creates eight tasks, each of which loops continuously performing a floating
* Creates eight tasks, each of which loops continuously performing a floating
* point calculation - using single precision variables.
*
* All the tasks run at the idle priority and never block or yield. This causes
* all eight tasks to time slice with the idle task. Running at the idle priority
* All the tasks run at the idle priority and never block or yield. This causes
* all eight tasks to time slice with the idle task. Running at the idle priority
* means that these tasks will get pre-empted any time another task is ready to run
* or a time slice occurs. More often than not the pre-emption will occur mid
* calculation, creating a good test of the schedulers context switch mechanism - a
* calculation producing an unexpected result could be a symptom of a corruption in
* or a time slice occurs. More often than not the pre-emption will occur mid
* calculation, creating a good test of the schedulers context switch mechanism - a
* calculation producing an unexpected result could be a symptom of a corruption in
* the context of a task.
*/
@ -93,14 +93,14 @@
#define mathSTACK_SIZE configMINIMAL_STACK_SIZE
#define mathNUMBER_OF_TASKS ( 8 )
/* Four tasks, each of which performs a different floating point calculation.
/* Four tasks, each of which performs a different floating point calculation.
Each of the four is created twice. */
static portTASK_FUNCTION_PROTO( vCompetingMathTask1, pvParameters );
static portTASK_FUNCTION_PROTO( vCompetingMathTask2, pvParameters );
static portTASK_FUNCTION_PROTO( vCompetingMathTask3, pvParameters );
static portTASK_FUNCTION_PROTO( vCompetingMathTask4, pvParameters );
/* These variables are used to check that all the tasks are still running. If a
/* These variables are used to check that all the tasks are still running. If a
task gets a calculation wrong it will
stop incrementing its check variable. */
static volatile uint16_t usTaskCheck[ mathNUMBER_OF_TASKS ] = { ( uint16_t ) 0 };
@ -133,7 +133,7 @@ short sError = pdFALSE;
fAnswer = ( f1 + f2 ) * f3;
/* The variable this task increments to show it is still running is passed in
/* The variable this task increments to show it is still running is passed in
as the parameter. */
pusTaskCheckVariable = ( uint16_t * ) pvParameters;
@ -150,7 +150,7 @@ short sError = pdFALSE;
taskYIELD();
#endif
/* If the calculation does not match the expected constant, stop the
/* If the calculation does not match the expected constant, stop the
increment of the check variable. */
if( fabs( f4 - fAnswer ) > 0.001F )
{
@ -159,7 +159,7 @@ short sError = pdFALSE;
if( sError == pdFALSE )
{
/* If the calculation has always been correct, increment the check
/* If the calculation has always been correct, increment the check
variable so we know this task is still running okay. */
( *pusTaskCheckVariable )++;
}
@ -186,7 +186,7 @@ short sError = pdFALSE;
fAnswer = ( f1 / f2 ) * f3;
/* The variable this task increments to show it is still running is passed in
/* The variable this task increments to show it is still running is passed in
as the parameter. */
pusTaskCheckVariable = ( uint16_t * ) pvParameters;
@ -202,8 +202,8 @@ short sError = pdFALSE;
#if configUSE_PREEMPTION == 0
taskYIELD();
#endif
/* If the calculation does not match the expected constant, stop the
/* If the calculation does not match the expected constant, stop the
increment of the check variable. */
if( fabs( f4 - fAnswer ) > 0.001F )
{
@ -212,7 +212,7 @@ short sError = pdFALSE;
if( sError == pdFALSE )
{
/* If the calculation has always been correct, increment the check
/* If the calculation has always been correct, increment the check
variable so we know
this task is still running okay. */
( *pusTaskCheckVariable )++;
@ -233,25 +233,25 @@ const size_t xArraySize = 10;
size_t xPosition;
short sError = pdFALSE;
/* The variable this task increments to show it is still running is passed in
/* The variable this task increments to show it is still running is passed in
as the parameter. */
pusTaskCheckVariable = ( uint16_t * ) pvParameters;
pfArray = ( float * ) pvPortMalloc( xArraySize * sizeof( float ) );
/* Keep filling an array, keeping a running total of the values placed in the
array. Then run through the array adding up all the values. If the two totals
/* Keep filling an array, keeping a running total of the values placed in the
array. Then run through the array adding up all the values. If the two totals
do not match, stop the check variable from incrementing. */
for( ;; )
{
fTotal1 = 0.0F;
fTotal2 = 0.0F;
fPosition = 0.0F;
for( xPosition = 0; xPosition < xArraySize; xPosition++ )
{
pfArray[ xPosition ] = fPosition + 5.5F;
fTotal1 += fPosition + 5.5F;
fTotal1 += fPosition + 5.5F;
}
#if configUSE_PREEMPTION == 0
@ -275,7 +275,7 @@ short sError = pdFALSE;
if( sError == pdFALSE )
{
/* If the calculation has always been correct, increment the check
/* If the calculation has always been correct, increment the check
variable so we know this task is still running okay. */
( *pusTaskCheckVariable )++;
}
@ -291,14 +291,14 @@ const size_t xArraySize = 10;
size_t xPosition;
short sError = pdFALSE;
/* The variable this task increments to show it is still running is passed in
/* The variable this task increments to show it is still running is passed in
as the parameter. */
pusTaskCheckVariable = ( uint16_t * ) pvParameters;
pfArray = ( float * ) pvPortMalloc( xArraySize * sizeof( float ) );
/* Keep filling an array, keeping a running total of the values placed in the
array. Then run through the array adding up all the values. If the two totals
/* Keep filling an array, keeping a running total of the values placed in the
array. Then run through the array adding up all the values. If the two totals
do not match, stop the check variable from incrementing. */
for( ;; )
{
@ -309,7 +309,7 @@ short sError = pdFALSE;
for( xPosition = 0; xPosition < xArraySize; xPosition++ )
{
pfArray[ xPosition ] = fPosition * 12.123F;
fTotal1 += fPosition * 12.123F;
fTotal1 += fPosition * 12.123F;
}
#if configUSE_PREEMPTION == 0
@ -333,23 +333,23 @@ short sError = pdFALSE;
if( sError == pdFALSE )
{
/* If the calculation has always been correct, increment the check
/* If the calculation has always been correct, increment the check
variable so we know this task is still running okay. */
( *pusTaskCheckVariable )++;
}
}
}
}
/*-----------------------------------------------------------*/
/* This is called to check that all the created tasks are still running. */
BaseType_t xAreMathsTaskStillRunning( void )
{
/* Keep a history of the check variables so we know if they have been incremented
/* Keep a history of the check variables so we know if they have been incremented
since the last call. */
static uint16_t usLastTaskCheck[ mathNUMBER_OF_TASKS ] = { ( uint16_t ) 0 };
BaseType_t xReturn = pdTRUE, xTask;
/* Check the maths tasks are still running by ensuring their check variables
/* Check the maths tasks are still running by ensuring their check variables
are still incrementing. */
for( xTask = 0; xTask < mathNUMBER_OF_TASKS; xTask++ )
{