Exemplos de I2C_GetDataRegAddr em C++ (Cpp)

Exemplo n.º 1

Arquivo: fsl_i2c_edma.c Projeto: Johnnygx/mcuoneclipse

static void I2C_MasterTransferEDMAConfig(I2C_Type *base, i2c_master_edma_handle_t *handle)
{
    edma_transfer_config_t transfer_config;

    if (handle->transfer.direction == kI2C_Read)
    {
        transfer_config.srcAddr = (uint32_t)I2C_GetDataRegAddr(base);
        transfer_config.destAddr = (uint32_t)(handle->transfer.data);
        transfer_config.majorLoopCounts = (handle->transfer.dataSize - 1);
        transfer_config.srcTransferSize = kEDMA_TransferSize1Bytes;
        transfer_config.srcOffset = 0;
        transfer_config.destTransferSize = kEDMA_TransferSize1Bytes;
        transfer_config.destOffset = 1;
        transfer_config.minorLoopBytes = 1;
    }
    else
    {
        transfer_config.srcAddr = (uint32_t)(handle->transfer.data + 1);
        transfer_config.destAddr = (uint32_t)I2C_GetDataRegAddr(base);
        transfer_config.majorLoopCounts = (handle->transfer.dataSize - 1);
        transfer_config.srcTransferSize = kEDMA_TransferSize1Bytes;
        transfer_config.srcOffset = 1;
        transfer_config.destTransferSize = kEDMA_TransferSize1Bytes;
        transfer_config.destOffset = 0;
        transfer_config.minorLoopBytes = 1;
    }

    EDMA_SubmitTransfer(handle->dmaHandle, &transfer_config);
    EDMA_StartTransfer(handle->dmaHandle);
}

Exemplo n.º 2

Arquivo: fsl_i2c_dma.c Projeto: 01org/zephyr

static void I2C_MasterTransferDMAConfig(I2C_Type *base, i2c_master_dma_handle_t *handle)
{
    dma_transfer_config_t transfer_config;
    dma_transfer_options_t transfer_options = kDMA_EnableInterrupt;

    if (handle->transfer.direction == kI2C_Read)
    {
        transfer_config.srcAddr = (uint32_t)I2C_GetDataRegAddr(base);
        transfer_config.destAddr = (uint32_t)(handle->transfer.data);
        transfer_config.transferSize = (handle->transfer.dataSize - 1);
        transfer_config.srcSize = kDMA_Transfersize8bits;
        transfer_config.enableSrcIncrement = false;
        transfer_config.destSize = kDMA_Transfersize8bits;
        transfer_config.enableDestIncrement = true;
    }
    else
    {
        transfer_config.srcAddr = (uint32_t)(handle->transfer.data + 1);
        transfer_config.destAddr = (uint32_t)I2C_GetDataRegAddr(base);
        transfer_config.transferSize = (handle->transfer.dataSize - 1);
        transfer_config.srcSize = kDMA_Transfersize8bits;
        transfer_config.enableSrcIncrement = true;
        transfer_config.destSize = kDMA_Transfersize8bits;
        transfer_config.enableDestIncrement = false;
    }

    DMA_SubmitTransfer(handle->dmaHandle, &transfer_config, transfer_options);
    DMA_StartTransfer(handle->dmaHandle);
}