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DeskPi-Team / super6c

Super6c stands for Super 6 CM4 Cluster.
MIT License
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Use microusb ports as UART? #17

Closed sloppycoder closed 5 months ago

sloppycoder commented 1 year ago

Is it possible to use the micro USB ports as UART console? If so, what type of adapter do I need to get? And what configuration is needed?

Thanks very much in advance.

avluis commented 1 year ago

You won't be able to use an overlay to do so as there are no exposed GPIO -- you would need to look for an appropriate USB to UART/TTL Serial adapter for your needs (check Adafruit)

rr4444 commented 1 year ago

You won't be able to use an overlay to do so as there are no exposed GPIO -- you would need to look for an appropriate USB to UART/TTL Serial adapter for your needs (check Adafruit)

Hi, I guess you are meaning about how to connect to the first CM4 via tty?

Instead, what I think the OP was hoping for was the ability to access the UARTs for serial console on all the CM4s i.e. not just the one with the exposed USB

rr4444 commented 1 year ago

That type of serial console access is really important for remote/edge type maintenance if networking doesn't come up properly.

My personal hope was to have another rpi/one of the six rpis able to access the others' serial consoles.

rr4444 commented 1 year ago

Actually, just dawned on me that the Bluetoothed CM4s could talk to each other as TTYs...

I guess?

(I am considering the Super6c and am waiting my first CM4s...)

yoyojacky commented 5 months ago

It can not use microusb ports as UART due to the USB port is generated by dtoverlay, it only use to upload firmware of CM4 by using rpiboot script . you can refer to the wiki:https://wiki.deskpi.com/super6c/