62 … status_t I2S_EnqueueUserBuffer(I2S_Type *base, i2s_dma_handle_t *handle, i2s_transfer_t transfer);
68 static uint16_t I2S_GetTransferBytes(volatile i2s_transfer_t *transfer);
100 …c status_t I2S_EnqueueUserBuffer(I2S_Type *base, i2s_dma_handle_t *handle, i2s_transfer_t transfer)  in I2S_EnqueueUserBuffer()  argument
113     assert((((uint32_t)transfer.data) % 4U) == 0U);  in I2S_EnqueueUserBuffer()
114     if ((((uint32_t)transfer.data) % 4U) != 0U)  in I2S_EnqueueUserBuffer()
120     assert(transfer.dataSize != 0U);  in I2S_EnqueueUserBuffer()
121     if (transfer.dataSize == 0U)  in I2S_EnqueueUserBuffer()
127     assert((transfer.dataSize % 4U) == 0U);  in I2S_EnqueueUserBuffer()
128     if ((transfer.dataSize % 4U) != 0U)  in I2S_EnqueueUserBuffer()
141     privateHandle->descriptorQueue[handle->queueUser].data     = transfer.data;  in I2S_EnqueueUserBuffer()
142     privateHandle->descriptorQueue[handle->queueUser].dataSize = transfer.dataSize;  in I2S_EnqueueUserBuffer()
143     handle->i2sQueue[handle->queueUser].data                   = transfer.data;  in I2S_EnqueueUserBuffer()
144     handle->i2sQueue[handle->queueUser].dataSize               = transfer.dataSize;  in I2S_EnqueueUserBuffer()
237 status_t I2S_TxTransferSendDMA(I2S_Type *base, i2s_dma_handle_t *handle, i2s_transfer_t transfer)  in I2S_TxTransferSendDMA()  argument
244     status = I2S_EnqueueUserBuffer(base, handle, transfer);  in I2S_TxTransferSendDMA()
360 status_t I2S_RxTransferReceiveDMA(I2S_Type *base, i2s_dma_handle_t *handle, i2s_transfer_t transfer)  in I2S_RxTransferReceiveDMA()  argument
367     status = I2S_EnqueueUserBuffer(base, handle, transfer);  in I2S_RxTransferReceiveDMA()
418 static uint16_t I2S_GetTransferBytes(volatile i2s_transfer_t *transfer)  in I2S_GetTransferBytes()  argument
420     assert(transfer != NULL);  in I2S_GetTransferBytes()
424     if (transfer->dataSize >= (2UL * DMA_MAX_TRANSFER_BYTES))  in I2S_GetTransferBytes()
428     else if (transfer->dataSize > DMA_MAX_TRANSFER_BYTES)  in I2S_GetTransferBytes()
430         transferBytes = (uint16_t)(transfer->dataSize / 2U);  in I2S_GetTransferBytes()
438         transferBytes = (uint16_t)transfer->dataSize;  in I2S_GetTransferBytes()
448 …volatile i2s_transfer_t *transfer       = &(privateHandle->descriptorQueue[privateHandle->queueDes…  in I2S_StartTransferDMA()  local
449     uint16_t transferBytes                  = I2S_GetTransferBytes(transfer);  in I2S_StartTransferDMA()
456         srcAddr  = (uint32_t *)(uint32_t)transfer->data;  in I2S_StartTransferDMA()
464         destAddr = (uint32_t *)(uint32_t)transfer->data;  in I2S_StartTransferDMA()
481     transfer->dataSize -= transferBytes;  in I2S_StartTransferDMA()
482     transfer->data = (uint8_t *)((uint32_t)transfer->data + transferBytes);  in I2S_StartTransferDMA()
484     if (transfer->dataSize == 0U)  in I2S_StartTransferDMA()
486         transfer->data                 = NULL;  in I2S_StartTransferDMA()
526     volatile i2s_transfer_t *transfer;  in I2S_AddTransferDMA()  local
541         transfer = &(privateHandle->descriptorQueue[privateHandle->queueDescriptor]);  in I2S_AddTransferDMA()
543         if (transfer->dataSize == 0U)  in I2S_AddTransferDMA()
551             srcAddr  = (uint32_t *)(uint32_t)transfer->data;  in I2S_AddTransferDMA()
559             destAddr = (uint32_t *)(uint32_t)transfer->data;  in I2S_AddTransferDMA()
569 …    transferBytes                                                 = I2S_GetTransferBytes(transfer);  in I2S_AddTransferDMA()
582         transfer->dataSize -= transferBytes;  in I2S_AddTransferDMA()
583         transfer->data += transferBytes;  in I2S_AddTransferDMA()
584         if (transfer->dataSize == 0U)  in I2S_AddTransferDMA()
586             transfer->data                 = NULL;  in I2S_AddTransferDMA()