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0xDFnn - Diagnostics and Utilities

Diagnostics and Utilities

This section of the DynaFamily Programmer's Manual lists diagnostic and utility commands.

Applies to: All Dyna Family products

Information in this group

Section

Information

The host uses this command to prompt the device for a response that contains the same payload it sent.

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0xDF01 - Echo

The host uses this command to prompt the device for a response that contains the same payload it sent.

1
  • The host constructs the command request for Echo - Command 0xDF01 in the format below, populating any of the available parameters with any data. The total length of data to be echoed across all parameters must not exceed 128 bytes.

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    0xD01 - Echo
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    The host sends the command request to the device.

  • The device sends a command response in the format below to the host, echoing back the exact parameters the host sent in the command request.

  • Tag
    Len
    Value / Description
    Typ
    Req
    Default

    Beginning of any wrappers, at minimum including Request Message

    Tag
    Len
    Value / Description
    Typ
    Req
    Default

    Beginning of any wrappers, at minimum including Response Message

    Sequence of events

    Example (hex)
    AA 00 81 04 01 01 DF 01 84 07 DF 01 81 03 01 02 03
    Example (hex)
    AA 00 81 04 82 01 DF 01 82 04 00 00 00 00 84 07 DF 01 81 03 01 02 03

    Request Data for Command 0xDF01 - Echo

    Response Data for Command 0xDF01 - Echo

    Request Example - Command 0xDF01

    Response Example - Command 0xDF01

    DF01 = Echo - Command 0xDF01

    81

    var

    Data to be echoed

    B

    O

    82

    var

    Data to be echoed

    B

    O

    End of any wrappers, at minimum including Request Message

    DF01 = Echo - Command 0xDF01

    81

    var

    Data being echoed

    B

    O

    82

    var

    Data being echoed

    B

    O

    End of any wrappers, at minimum including Response Message