Can't save UART output into custom key

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Michael Stumpf

• June 24, 2024 15:00

Trying to save the output from my UART command to confirm the serial number that was programmed on the device. Whenever I try to show the serial number using THEKEY to the operator I just get "PASS" and not the expected contents of the key. 

 

Here is the UART log 

TX	version
RX	version [1;32muart:~$ [mversion Board: noctrix-aurora Version: 1.0.0-rc3-g10f9b37 [1;32muart:~$ [m
TX	config get SER_NUM
RX	config get SER_NUM [1;32muart:~$ [mconfig get SER_NUM 20240621000101 [1;32muart:~$ [m Here is the YAML: - ident: read serial number - title: read serial number   steps:   - uartcmd: uart UART2     send: "\r\nconfig get SER_NUM \r\n"     expect: "2024\\d{9}"     extract: "2024\\d{9}"     extractKey: THEKEY     timeoutms: 2000   - command: operator  %THEKEY% Why is the THEKEY being assigned  "PASS" and not the serial number if the expect is working?

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• Official comment

  

  Ivo Clarysse

  • June 25, 2024 03:54

  When using the `extract:` field, use parenthesis to specify the "capturing" group, as in:

  - command: uart UART2
    send: "\r\nconfig get SER_NUM\r\n"
    extract: "(2024\\d{9})"
    extractKey: THEKEY
    timeout: 2s

  The complete regular expressions syntax supported by the PLT is documented at https://github.com/google/re2/wiki/Syntax

   

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