UDOO Neo + Arduino with CAN-BUS Shield

Discussion in 'UDOO NEO' started by Gennaro, May 19, 2017.

  1. Gennaro

    Gennaro New Member

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    Hello UDOO community!

    I'm working on a project which includes UDOO Neo and CAN-BUS.
    This is my setting:
    • UDOO Neo Full
    • Arduino Uno with CAN-BUS Shield v1.0
    • UDOO pin 40-41 configured for CAN-BUS flex using Device Tree Editor
    • UDOO pin 40 - 41 connected to CAN_L and CAN_H of the CANbus Shield respectively
    I don't known how to let CAN-BUS flex and shield works together!

    I'm sure that CAN-BUS shield works fine because I tried it with another Arduino.

    Can someone help me?
    Thank you
     
  2. jas-mx

    jas-mx Active Member

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    A fair amount of information is available in previous threads covering CAN connectivity, see last post in this thread. If your a novice then you can only get Flexcan working from the Linux side on the Neo and not using Neo Arduino layer if you hoped to use the shield.
     
  3. Gennaro

    Gennaro New Member

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    From the threads I saw that the problem can be solved using a transceiver. Is it possible?
     
  4. jas-mx

    jas-mx Active Member

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    You always require a transceiver (3.3v compatible) from the NEO side, connecting the CAN H/L pins directly to the bus my damage them.
     
  5. Gennaro

    Gennaro New Member

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    What do you think about SN65HVD230 on the NEO side and the CAN-BUS shield on the Arduino one?
     
  6. jas-mx

    jas-mx Active Member

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    Either that one or this type (which I use) should work.
     

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