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Add xQueueOverwriteFromISR() and update the QueueOverwrite.c to demonstrate its use.

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This commit is contained in:
Richard Barry 2013-06-27 14:25:17 +00:00
parent 671949ad78
commit 3b02b4c8f8
5 changed files with 165 additions and 13 deletions
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3
FreeRTOS/Source/queue.c
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@ -939,6 +939,7 @@ xQUEUE *pxQueue;
pxQueue = ( xQUEUE * ) xQueue;
configASSERT( pxQueue );
configASSERT( !( ( pvItemToQueue == NULL ) && ( pxQueue->uxItemSize != ( unsigned portBASE_TYPE ) 0U ) ) );
configASSERT( !( ( xCopyPosition == queueOVERWRITE ) && ( pxQueue->uxLength != 1 ) ) );
/* Similar to xQueueGenericSend, except we don't block if there is no room
in the queue. Also we don't directly wake a task that was blocked on a
@ -947,7 +948,7 @@ xQUEUE *pxQueue;
by this post). */
uxSavedInterruptStatus = portSET_INTERRUPT_MASK_FROM_ISR();
{
if( pxQueue->uxMessagesWaiting < pxQueue->uxLength )
if( ( pxQueue->uxMessagesWaiting < pxQueue->uxLength ) || ( xCopyPosition == queueOVERWRITE ) )
{
traceQUEUE_SEND_FROM_ISR( pxQueue );