C++ (Cpp) DMA_AbortTransfer示例

示例#1

文件： fsl_usart_dma.c 项目： Archcady/mbed-os

void USART_TransferAbortReceiveDMA(USART_Type *base, usart_dma_handle_t *handle)
{
    assert(NULL != handle);
    assert(NULL != handle->rxDmaHandle);

    /* Stop transfer. */
    DMA_AbortTransfer(handle->rxDmaHandle);
    handle->rxState = kUSART_RxIdle;
}

示例#2

文件： fsl_i2c_dma.c 项目： 01org/zephyr

void I2C_MasterTransferAbortDMA(I2C_Type *base, i2c_master_dma_handle_t *handle)
{
    DMA_AbortTransfer(handle->dmaHandle);

    /* Disable dma transfer. */
    I2C_EnableDMA(base, false);

    /* Reset the state to idle. */
    handle->state = kIdleState;
}

示例#3

文件： fsl_spifi_dma.c 项目： mbedNoobNinja/mbed

void SPIFI_TransferAbortReceiveDMA(SPIFI_Type *base, spifi_dma_handle_t *handle)
{
    assert(handle && (handle->dmaHandle));

    /* Disable SPIFI RX DMA. */
    SPIFI_EnableDMA(base, false);

    /* Stop transfer. */
    DMA_AbortTransfer(handle->dmaHandle);

    handle->state = kSPIFI_Idle;
}

示例#4

文件： fsl_uart_dma.c 项目： francisconroy/affenspinner

void UART_TransferAbortReceiveDMA(UART_Type *base, uart_dma_handle_t *handle)
{
    assert(handle);
    assert(handle->rxDmaHandle);

    /* Disable UART RX DMA. */
    UART_EnableRxDMA(base, false);

    /* Stop transfer. */
    DMA_AbortTransfer(handle->rxDmaHandle);

    /* Write DMA->DSR[DONE] to abort transfer and clear status. */
    DMA_ClearChannelStatusFlags(handle->rxDmaHandle->base, handle->rxDmaHandle->channel, kDMA_TransactionsDoneFlag);

    handle->rxState = kUART_RxIdle;
}

示例#5

void dma_invalidate_channel(uint32_t dmaNdx, dma_handle_t *ph) {
	assert(dmaNdx == 0);
	if (ph != NULL) {
		DMA_AbortTransfer(ph);
	}
}