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Update Tips, Tricks, and Troubleshooting

alphonse 2025-03-15 15:20:20 +00:00
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Tips%2C-Tricks%2C-and-Troubleshooting.md

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# Serial Connection Issues
- The following error indicates a hangup at the serial port or that the serial device did not shut down correctly:
- The following error indicates the serial device is in use by another program, there was a hangup at the serial port, or that the serial device did not shut down correctly:
```julia
ERROR: libserialport returned SP_ERR_FAIL - Host OS reported a failure.
```
Usually trying to run the program again is sufficient to clear the error. If the error does not clear itself after 3 or 4 tries, reset the serial device by unplugging the USB cable and plugging it back in.
If the device is open connected via another program (e.g. Arduino Serial Monitor or Minicom), close that connection and shut down the program. Otherwise, trying to run the program again is usually sufficient to clear the error. If the error does not clear itself after 3 or 4 tries, reset the serial device by unplugging the USB cable and plugging it back in.