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[imx rt1050]修改sai edma驱动

This commit is contained in:
xx 2018-03-29 15:39:31 +08:00
parent e0314e637e
commit d98c4ad116
1 changed files with 3 additions and 3 deletions
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6
bsp/imxrt1052-evk/Libraries/drivers/fsl_sai_edma.c
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@ -91,11 +91,11 @@ static void SAI_TxEDMACallback(edma_handle_t *handle, void *userData, bool done,
sai_edma_handle_t *saiHandle = privHandle->handle; sai_edma_handle_t *saiHandle = privHandle->handle;
/* If finished a blcok, call the callback function */ /* If finished a blcok, call the callback function */
saiHandle->saiQueue[saiHandle->queueDriver].dataSize = 0;
if (saiHandle->callback) if (saiHandle->callback)
{ {
(saiHandle->callback)(privHandle->base, saiHandle, kStatus_SAI_TxIdle, saiHandle->userData); (saiHandle->callback)(privHandle->base, saiHandle, kStatus_SAI_TxIdle, saiHandle->userData);
} }
memset(&saiHandle->saiQueue[saiHandle->queueDriver], 0, sizeof(sai_transfer_t));
saiHandle->queueDriver = (saiHandle->queueDriver + 1) % SAI_XFER_QUEUE_SIZE; saiHandle->queueDriver = (saiHandle->queueDriver + 1) % SAI_XFER_QUEUE_SIZE;
/* If all data finished, just stop the transfer */ /* If all data finished, just stop the transfer */
@ -264,7 +264,7 @@ status_t SAI_TransferSendEDMA(I2S_Type *base, sai_edma_handle_t *handle, sai_tra
return kStatus_InvalidArgument; return kStatus_InvalidArgument;
} }
if (handle->saiQueue[handle->queueUser].data) if (handle->saiQueue[handle->queueUser].dataSize)
{ {
return kStatus_SAI_QueueFull; return kStatus_SAI_QueueFull;
} }