F280025 CAN DMA 存取問題

    //
    // Check for data integrity
    //
    for(i = 0; i < 2; i++)
    {
        //
        // Combine two bytes of CAN TX data into a single word for error
        // checking since the DMA transfers data as words into the RX buffer.
        //
        txWordData = txMsgData[txIndex] + (txMsgData[txIndex + 1] << 8U);
        
        if(rxMsgData[i] != txWordData)
        {
            // Something went wrong. rxMsgData doesn't contain expected data.
            ESTOP0;
        }

        txIndex+=2;
    }

// Place buffers in GSRAM
#pragma DATA_SECTION(txMsgData, "ramgs0");
#pragma DATA_SECTION(rxMsgData, "ramgs0");