freertos-7.0.0/source/include/semphr.h File Reference

#include "queue.h"

Macros
#define	semBINARY_SEMAPHORE_QUEUE_LENGTH   ( ( unsigned char ) 1U )
#define	semGIVE_BLOCK_TIME   ( ( portTickType ) 0U )
#define	semSEMAPHORE_QUEUE_ITEM_LENGTH   ( ( unsigned char ) 0U )
#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

#define semBINARY_SEMAPHORE_QUEUE_LENGTH   ( ( unsigned char ) 1U )

#define semGIVE_BLOCK_TIME   ( ( portTickType ) 0U )

#define semSEMAPHORE_QUEUE_ITEM_LENGTH   ( ( unsigned char ) 0U )

#define vSemaphoreCreateBinary

(

xSemaphore

)

Value:

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

typedef xQueueHandle xSemaphoreHandle