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SourceVuESP-IDF Framework and ExamplesFreeRTOSStreamBufferDef_t::xHead

StreamBufferDef_t::xHead field

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Summary

Declaration

from stream_buffer.c:232

volatile size_t xHead;

References

Code

Location

Referrer

volatile size_t xHead; /* Index to the next item to write within the buffer. */

stream_buffer.c:232

xSpace -= pxStreamBuffer->xHead;

stream_buffer.c:659

xStreamBufferSpacesAvailable()

size_t xNextHead = pxStreamBuffer->xHead;

stream_buffer.c:888

prvWriteMessageToBuffer()

pxStreamBuffer->xHead = prvWriteBytesToBuffer( pxStreamBuffer, ( const uint8_t * ) pvTxData, xDataLengthBytes, xNextHead ); /*lint !e9079 Storage buffer is implemented as uint8_t for ease of sizing, alignment and access. */

stream_buffer.c:925

prvWriteMessageToBuffer()

if( pxStreamBuffer->xHead == xTail )

stream_buffer.c:1208

xStreamBufferIsEmpty()

xCount = pxStreamBuffer->xLength + pxStreamBuffer->xHead;

stream_buffer.c:1413

prvBytesInBuffer()

pxStreamBuffer->xHead = ( size_t ) 0;

stream_buffer.c:1456

prvInitialiseNewStreamBuffer()

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Data Use

StreamBufferDef_t::xHead is written by 2 functions and is read by 4 functions:

prvWriteMessageToBuffer()

prvInitialiseNewStreamBuffer()

StreamBufferDef_t::xHead

xStreamBufferSpacesAvailable()

prvWriteMessageToBuffer()

xStreamBufferIsEmpty()

prvBytesInBuffer()

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