BT_s32 BT_FifoFillLevel(BT_HANDLE hFifo) {
BT_u32 messages = 0;
if(!isFifoHandle(hFifo)) {
return BT_ERR_INVALID_HANDLE_TYPE;
}
messages = BT_QueueMessagesWaiting(hFifo->hQueue);
return messages;
}
/*---------------------------------------------------------------------------*
* Routine: sys_mbox_free
*---------------------------------------------------------------------------*
* Description:
* Deallocates a mailbox. If there are messages still present in the
* mailbox when the mailbox is deallocated, it is an indication of a
* programming error in lwIP and the developer should be notified.
* Inputs:
* sys_mbox_t mbox -- Handle of mailbox
* Outputs:
* sys_mbox_t -- Handle to new mailbox
*---------------------------------------------------------------------------*/
void sys_mbox_free( sys_mbox_t *pxMailBox ) {
BT_u32 ulMessagesWaiting;
ulMessagesWaiting = BT_QueueMessagesWaiting( *pxMailBox );
#if SYS_STATS
{
if( ulMessagesWaiting != 0UL ) {
SYS_STATS_INC( mbox.err );
}
SYS_STATS_DEC( mbox.used );
}
#endif /* SYS_STATS */
BT_CloseHandle( *pxMailBox );
}
BT_BOOL BT_FifoIsFull(BT_HANDLE hFifo, BT_ERROR *pError) {
BT_ERROR Error = BT_ERR_NONE;
BT_u32 messages = 0;
if(!isFifoHandle(hFifo)) {
Error = BT_ERR_INVALID_HANDLE_TYPE;
goto err_out;
}
messages = BT_QueueMessagesWaiting(hFifo->hQueue);
err_out:
if(pError) {
*pError = Error;
}
return Error ? BT_FALSE : (hFifo->ulElements == messages);
}
