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Transmit and receive a CAN message on same node with same message ID???

Relativity
Prodigy 170 points


Hi All,

Is it possible for a node to transmit a message and receive the same message where the message ID is same.

For. e.x. refer the diagram below where it shows a node transmitting a message with ID 'A'. Can the same node receive the message ???

 

 

 

  • 0
    Mastermind 7585 points

    Well, that's a basic CAN question and the answer is: no.

    You will need 2 CAN communication controllers in the same device (e.g. 28335) to transmit and receive with a single node. And, both channels must use their own CAN transceiver (SN65HVD23x).

     

     

  • 0
    Intellectual 660 points

    Not ideal, but you could use loopback mode.  I didn't check, but that may disabled you from receiving other incoming frames.  Another solution would be to simply have ourtransmit function place the frame into your CAN RX FIFO.

    Thanks,

    JR Simma

    Simma Software, Inc.

    The CAN Experts!