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brianddk 08562a2b3e Update README.md Add reference to picoprobe.		2023-10-09 08:59:22 -05:00
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README.md	Update README.md	2023-10-09 08:59:22 -05:00
terminal.py	Simple serial terminal example to run on Pico	2023-10-08 23:22:56 -05:00

README.md

Pico serial terminal

A simple example to allow a Pico to act as a serial terminal into another Raspberry Pi computer. Useful for setting up a Pi when network setup fails for some reason. Should work for Windows, Linux, or Mac host machines.

Add enable_uart=1 to the Raspberry Pi computer config.txt and boot it.
Connect pins pico:{1,2,3} to pi:{10,8,6}
Connect to Pico using Thonny
From Thonny, run terminal.py on Pico, then power up the Pi

You should now have a serial terminal to your Raspberry Pi computer through your Pico.

Errata / Bugs

Input is only taken a whole line at a time after the EOL character.
Line input is ALWAYS echoed back to the terminal as a new line, even passwords
Control characters are dropped so no curses tools (like raspi-config) work

For a full-fledged serial interface, look at picoprobe referenced in Appendix A of the Pico Getting Started Guide.