The LIN wakeup protocol feature that dominates the bus and sends pushes is not supported by the USB-8476 (NI-CAN).The alternative is using write frame function to wake up the LIN slave device.
You can use ncWriteNet.vi to transmit a single frame.In IsRemote, enter a value of 17 (LIN header frame) or 18 (LIN full frame). Both frame types are available.
Write one frame as a dummy, then write the actual frame for the second time. The slave nod responds from the second frame.
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Introduction to the Local Interconnect Network (LIN) Bus
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