semphr.h File Reference

#include "queue.h"

Go to the source code of this file.

Defines
#define	semBINARY_SEMAPHORE_QUEUE_LENGTH   ( ( unsigned char ) 1 )
#define	semGIVE_BLOCK_TIME   ( ( portTickType ) 0 )
#define	semSEMAPHORE_QUEUE_ITEM_LENGTH   ( ( unsigned char ) 0 )
#define	vSemaphoreCreateBinary(xSemaphore)
#define	xSemaphoreAltGive(xSemaphore)   xQueueAltGenericSend( ( xQueueHandle ) xSemaphore, NULL, semGIVE_BLOCK_TIME, queueSEND_TO_BACK )
#define	xSemaphoreAltTake(xSemaphore, xBlockTime)   xQueueAltGenericReceive( ( xQueueHandle ) xSemaphore, NULL, xBlockTime, pdFALSE )
#define	xSemaphoreCreateCounting(uxMaxCount, uxInitialCount)   xQueueCreateCountingSemaphore( uxMaxCount, uxInitialCount )
#define	xSemaphoreCreateMutex()   xQueueCreateMutex()
#define	xSemaphoreCreateRecursiveMutex()   xQueueCreateMutex()
#define	xSemaphoreGive(xSemaphore)   xQueueGenericSend( ( xQueueHandle ) xSemaphore, NULL, semGIVE_BLOCK_TIME, queueSEND_TO_BACK )
#define	xSemaphoreGiveFromISR(xSemaphore, pxHigherPriorityTaskWoken)   xQueueGenericSendFromISR( ( xQueueHandle ) xSemaphore, NULL, pxHigherPriorityTaskWoken, queueSEND_TO_BACK )
#define	xSemaphoreGiveRecursive(xMutex)   xQueueGiveMutexRecursive( xMutex )
#define	xSemaphoreTake(xSemaphore, xBlockTime)   xQueueGenericReceive( ( xQueueHandle ) xSemaphore, NULL, xBlockTime, pdFALSE )
#define	xSemaphoreTakeRecursive(xMutex, xBlockTime)   xQueueTakeMutexRecursive( xMutex, xBlockTime )
Typedefs
typedef xQueueHandle	xSemaphoreHandle

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Define Documentation

#define semBINARY_SEMAPHORE_QUEUE_LENGTH   ( ( unsigned char ) 1 )

Definition at line 65 of file semphr.h.

#define semGIVE_BLOCK_TIME   ( ( portTickType ) 0 )

Definition at line 67 of file semphr.h.

#define semSEMAPHORE_QUEUE_ITEM_LENGTH   ( ( unsigned char ) 0 )

Definition at line 66 of file semphr.h.

#define vSemaphoreCreateBinary

(

xSemaphore

)

Value:

{                                                                                               \
                                                        xSemaphore = xQueueCreate( ( unsigned portBASE_TYPE ) 1, semSEMAPHORE_QUEUE_ITEM_LENGTH );  \
                                                        if( xSemaphore != NULL )                                                                    \
                                                        {                                                                                           \
                                                            xSemaphoreGive( xSemaphore );                                                           \
                                                        }                                                                                           \
                                                    }

Definition at line 108 of file semphr.h.

Referenced by vStartSemaphoreTasks().

#define xSemaphoreAltGive

(

xSemaphore

)

xQueueAltGenericSend( ( xQueueHandle ) xSemaphore, NULL, semGIVE_BLOCK_TIME, queueSEND_TO_BACK )

Definition at line 450 of file semphr.h.

Referenced by prvHighPriorityMutexTask(), and prvLowPriorityMutexTask().

#define xSemaphoreAltTake	(	xSemaphore,
		xBlockTime		)	xQueueAltGenericReceive( ( xQueueHandle ) xSemaphore, NULL, xBlockTime, pdFALSE )

Definition at line 289 of file semphr.h.

Referenced by prvHighPriorityMutexTask(), and prvLowPriorityMutexTask().

#define xSemaphoreCreateCounting	(	uxMaxCount,
		uxInitialCount		)	xQueueCreateCountingSemaphore( uxMaxCount, uxInitialCount )

Definition at line 706 of file semphr.h.

Referenced by vStartCountingSemaphoreTasks().

 

#define xSemaphoreCreateMutex

(

)

xQueueCreateMutex()

Definition at line 588 of file semphr.h.

Referenced by vStartAltGenericQueueTasks(), and vStartGenericQueueTasks().

 

#define xSemaphoreCreateRecursiveMutex

(

)

xQueueCreateMutex()

Definition at line 643 of file semphr.h.

Referenced by vStartRecursiveMutexTasks().

#define xSemaphoreGive

(

xSemaphore

)

xQueueGenericSend( ( xQueueHandle ) xSemaphore, NULL, semGIVE_BLOCK_TIME, queueSEND_TO_BACK )

Definition at line 352 of file semphr.h.

Referenced by portTASK_FUNCTION(), prvDecrementSemaphoreCount(), prvHighPriorityMutexTask(), prvIncrementSemaphoreCount(), and prvLowPriorityMutexTask().

#define xSemaphoreGiveFromISR	(	xSemaphore,
		pxHigherPriorityTaskWoken		)	xQueueGenericSendFromISR( ( xQueueHandle ) xSemaphore, NULL, pxHigherPriorityTaskWoken, queueSEND_TO_BACK )

Definition at line 541 of file semphr.h.

#define xSemaphoreGiveRecursive

(

xMutex

)

xQueueGiveMutexRecursive( xMutex )

Definition at line 436 of file semphr.h.

Referenced by prvRecursiveMutexBlockingTask(), prvRecursiveMutexControllingTask(), and prvRecursiveMutexPollingTask().

#define xSemaphoreTake	(	xSemaphore,
		xBlockTime		)	xQueueGenericReceive( ( xQueueHandle ) xSemaphore, NULL, xBlockTime, pdFALSE )

Definition at line 181 of file semphr.h.

Referenced by portTASK_FUNCTION(), prvCountingSemaphoreTask(), prvDecrementSemaphoreCount(), prvHighPriorityMutexTask(), prvIncrementSemaphoreCount(), and prvLowPriorityMutexTask().

#define xSemaphoreTakeRecursive	(	xMutex,
		xBlockTime		)	xQueueTakeMutexRecursive( xMutex, xBlockTime )

Definition at line 274 of file semphr.h.

Referenced by prvRecursiveMutexBlockingTask(), prvRecursiveMutexControllingTask(), and prvRecursiveMutexPollingTask().

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Typedef Documentation

typedef xQueueHandle xSemaphoreHandle

Definition at line 63 of file semphr.h.