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Add API xStreamBufferResetFromISR

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Allow reseting the stream buffer from ISR context

Signed-off-by: hagai.moshe <hagaimoshe@outlook.com>
This commit is contained in:
hagai.moshe 2024-04-15 10:15:47 +03:00
parent 6de0d7a737
commit 887e78c64f
3 changed files with 98 additions and 0 deletions
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62
stream_buffer.c
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@ -639,6 +639,68 @@ BaseType_t xStreamBufferReset( StreamBufferHandle_t xStreamBuffer )
}
/*-----------------------------------------------------------*/
BaseType_t xStreamBufferResetFromISR( StreamBufferHandle_t xStreamBuffer )
{
StreamBuffer_t * const pxStreamBuffer = xStreamBuffer;
BaseType_t xReturn = pdFAIL;
StreamBufferCallbackFunction_t pxSendCallback = NULL, pxReceiveCallback = NULL;
UBaseType_t uxSavedInterruptStatus;
#if ( configUSE_TRACE_FACILITY == 1 )
UBaseType_t uxStreamBufferNumber;
#endif
traceENTER_xStreamBufferResetFromISR( xStreamBuffer );
configASSERT( pxStreamBuffer );
#if ( configUSE_TRACE_FACILITY == 1 )
{
/* Store the stream buffer number so it can be restored after the
* reset. */
uxStreamBufferNumber = pxStreamBuffer->uxStreamBufferNumber;
}
#endif
/* Can only reset a message buffer if there are no tasks blocked on it. */
uxSavedInterruptStatus = taskENTER_CRITICAL_FROM_ISR();
{
if( ( pxStreamBuffer->xTaskWaitingToReceive == NULL ) && ( pxStreamBuffer->xTaskWaitingToSend == NULL ) )
{
#if ( configUSE_SB_COMPLETED_CALLBACK == 1 )
{
pxSendCallback = pxStreamBuffer->pxSendCompletedCallback;
pxReceiveCallback = pxStreamBuffer->pxReceiveCompletedCallback;
}
#endif
prvInitialiseNewStreamBuffer( pxStreamBuffer,
pxStreamBuffer->pucBuffer,
pxStreamBuffer->xLength,
pxStreamBuffer->xTriggerLevelBytes,
pxStreamBuffer->ucFlags,
pxSendCallback,
pxReceiveCallback );
#if ( configUSE_TRACE_FACILITY == 1 )
{
pxStreamBuffer->uxStreamBufferNumber = uxStreamBufferNumber;
}
#endif
traceSTREAM_BUFFER_RESET( xStreamBuffer );
xReturn = pdPASS;
}
}
taskEXIT_CRITICAL_FROM_ISR( uxSavedInterruptStatus );
traceRETURN_xStreamBufferResetFromISR( xReturn );
return xReturn;
}
/*-----------------------------------------------------------*/
BaseType_t xStreamBufferSetTriggerLevel( StreamBufferHandle_t xStreamBuffer,
size_t xTriggerLevel )
{