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Introduce xMessageBufferNextLengthBytes() and tests for the same.

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Add call to traceTASK_SWITCHED_IN() in vTaskStartScheduler() so trace tools can see the first task to run.
This commit is contained in:
Richard Barry 2018-03-04 19:25:14 +00:00
parent 9ed3a9fe18
commit f9bef06ec0
9 changed files with 121 additions and 3 deletions
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19
FreeRTOS/Source/include/message_buffer.h
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@ -693,6 +693,25 @@ size_t xMessageBufferSpaceAvailable( MessageBufferHandle_t xMessageBuffer ) );
*/
#define xMessageBufferSpaceAvailable( xMessageBuffer ) xStreamBufferSpacesAvailable( ( StreamBufferHandle_t ) xMessageBuffer )
/**
* message_buffer.h
<pre>
size_t xMessageBufferNextLengthBytes( MessageBufferHandle_t xMessageBuffer ) );
</pre>
* Returns the length (in bytes) of the next message in a message buffer.
* Useful if xMessageBufferReceive() returned 0 because the size of the buffer
* passed into xMessageBufferReceive() was too small to hold the next message.
*
* @param xMessageBuffer The handle of the message buffer being queried.
*
* @return The length (in bytes) of the next message in the message buffer, or 0
* if the message buffer is empty.
*
* \defgroup xMessageBufferNextLengthBytes xMessageBufferNextLengthBytes
* \ingroup MessageBufferManagement
*/
#define xMessageBufferNextLengthBytes( xMessageBuffer ) xStreamBufferNextMessageLengthBytes( ( StreamBufferHandle_t ) xMessageBuffer ) PRIVILEGED_FUNCTION;
/**
* message_buffer.h
*

1
FreeRTOS/Source/include/mpu_prototypes.h
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@ -138,6 +138,7 @@ UBaseType_t MPU_uxEventGroupGetNumber( void* xEventGroup );
size_t MPU_xStreamBufferSend( StreamBufferHandle_t xStreamBuffer, const void *pvTxData, size_t xDataLengthBytes, TickType_t xTicksToWait );
size_t MPU_xStreamBufferSendFromISR( StreamBufferHandle_t xStreamBuffer, const void *pvTxData, size_t xDataLengthBytes, BaseType_t * const pxHigherPriorityTaskWoken );
size_t MPU_xStreamBufferReceive( StreamBufferHandle_t xStreamBuffer, void *pvRxData, size_t xBufferLengthBytes, TickType_t xTicksToWait );
size_t MPU_xStreamBufferNextMessageLengthBytes( StreamBufferHandle_t xStreamBuffer );
size_t MPU_xStreamBufferReceiveFromISR( StreamBufferHandle_t xStreamBuffer, void *pvRxData, size_t xBufferLengthBytes, BaseType_t * const pxHigherPriorityTaskWoken );
void MPU_vStreamBufferDelete( StreamBufferHandle_t xStreamBuffer );
BaseType_t MPU_xStreamBufferIsFull( StreamBufferHandle_t xStreamBuffer );

1
FreeRTOS/Source/include/mpu_wrappers.h
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@ -142,6 +142,7 @@ only for ports that are using the MPU. */
#define xStreamBufferSend MPU_xStreamBufferSend
#define xStreamBufferSendFromISR MPU_xStreamBufferSendFromISR
#define xStreamBufferReceive MPU_xStreamBufferReceive
#define xStreamBufferNextMessageLengthBytes MPU_xStreamBufferNextMessageLengthBytes
#define xStreamBufferReceiveFromISR MPU_xStreamBufferReceiveFromISR
#define vStreamBufferDelete MPU_vStreamBufferDelete
#define xStreamBufferIsFull MPU_xStreamBufferIsFull

2
FreeRTOS/Source/include/stream_buffer.h
View file

@ -839,6 +839,8 @@ StreamBufferHandle_t xStreamBufferGenericCreateStatic( size_t xBufferSizeBytes,
uint8_t * const pucStreamBufferStorageArea,
StaticStreamBuffer_t * const pxStaticStreamBuffer ) PRIVILEGED_FUNCTION;
size_t xStreamBufferNextMessageLengthBytes( StreamBufferHandle_t xStreamBuffer ) PRIVILEGED_FUNCTION;
#if( configUSE_TRACE_FACILITY == 1 )
void vStreamBufferSetStreamBufferNumber( StreamBufferHandle_t xStreamBuffer, UBaseType_t uxStreamBufferNumber ) PRIVILEGED_FUNCTION;
UBaseType_t uxStreamBufferGetStreamBufferNumber( StreamBufferHandle_t xStreamBuffer ) PRIVILEGED_FUNCTION;