C++ (Cpp) EDMA_GetRemainingMajorLoopCount Examples

Example #1

status_t FLEXIO_SPI_MasterTransferGetCountEDMA(FLEXIO_SPI_Type *base,
                                               flexio_spi_master_edma_handle_t *handle,
                                               size_t *count)
{
    assert(handle);

    if (!count)
    {
        return kStatus_InvalidArgument;
    }

    if (handle->rxInProgress)
    {
        *count = (handle->transferSize -
                  (uint32_t)handle->nbytes *
                      EDMA_GetRemainingMajorLoopCount(handle->rxHandle->base, handle->rxHandle->channel));
    }
    else
    {
        *count = (handle->transferSize -
                  (uint32_t)handle->nbytes *
                      EDMA_GetRemainingMajorLoopCount(handle->txHandle->base, handle->txHandle->channel));
    }

    return kStatus_Success;
}

Example #2

File: fsl_lpuart_edma.c Project: csz-cmy/rt-thread

status_t LPUART_TransferGetSendCountEDMA(LPUART_Type *base, lpuart_edma_handle_t *handle, uint32_t *count)
{
    assert(handle);
    assert(handle->txEdmaHandle);
    assert(count);

    if (kLPUART_TxIdle == handle->txState)
    {
        return kStatus_NoTransferInProgress;
    }

    *count = handle->txDataSizeAll -
             (uint32_t)handle->nbytes *
                 EDMA_GetRemainingMajorLoopCount(handle->txEdmaHandle->base, handle->txEdmaHandle->channel);

    return kStatus_Success;
}

Example #3

status_t FLEXIO_I2S_TransferGetReceiveCountEDMA(FLEXIO_I2S_Type *base, flexio_i2s_edma_handle_t *handle, size_t *count)
{
    assert(handle);

    status_t status = kStatus_Success;

    if (handle->state != kFLEXIO_I2S_Busy)
    {
        status = kStatus_NoTransferInProgress;
    }
    else
    {
        *count = handle->transferSize[handle->queueDriver] -
                 (uint32_t)handle->nbytes *
                     EDMA_GetRemainingMajorLoopCount(handle->dmaHandle->base, handle->dmaHandle->channel);
    }

    return status;
}

Example #4

File: fsl_sai_edma.c Project: Archcady/mbed-os

status_t SAI_TransferGetSendCountEDMA(I2S_Type *base, sai_edma_handle_t *handle, size_t *count)
{
    assert(handle);

    status_t status = kStatus_Success;

    if (handle->state != kSAI_Busy)
    {
        status = kStatus_NoTransferInProgress;
    }
    else
    {
        *count = (handle->transferSize[handle->queueDriver] -
                  (uint32_t)handle->nbytes *
                      EDMA_GetRemainingMajorLoopCount(handle->dmaHandle->base, handle->dmaHandle->channel));
    }

    return status;
}