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TDA4VM: Questions about CAN Can_IrqStatus

sui guoqing
Prodigy 180 points
Part Number: TDA4VM


Tool/software:

Hi, TI

I want to test the following abnormal states, how should I operate to make the following exceptions actually occur?

Thanks.

  • 0
    TI__Guru 53296 points

    Hello,

    You can introduce errors in different ways, some of them i mentioned below

    :

    • CRC Error: Introduce errors in the Cyclic Redundancy Check (CRC) field of a CAN frame. 

      ACK Error: Cause the transmitter to not receive a valid acknowledgment (ACK) bit from the receiver. 

      Form Error: Violate the fixed bit format of the CAN frame (e.g., incorrect delimiters). 

      Bit Error: Introduce errors in individual bits of the CAN frame. 

      Stuff Error: Violate the bit-stuffing rule by transmitting 6 consecutive bits of the same value. 

      Regards

      Tarun MUkesh

  • 0 in reply to Tarun Mukesh Puvvada
    Prodigy 180 points

    Hello,

    Thank you very much for your reply,

    Are these failures introduced to modify the code or to use some tool?

    Can you describe a little more specifically the process by which these failures are introduced?

    Thank you very much.

    Regards

  • 0 in reply to sui guoqing
    TI__Guru 53296 points

    Hello,

    To introduce the failure means, while transferring CAN frame keep the errors intentionally in CAN frame. You can do it by sending some errors from transmitter side(CAN frame) or some you can introduce via tool (canoe,pcan ) on receiver side

    Regards

    Tarun Mukesh