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Hi! When I connect a FT232 USB to serial converter to the Cerbo GX it starts sending unsolicited data periodically (every few seconds). Checking with an oscillosope, I found at least two different baudrates being used. I tried with normal and large Venus OS image, both the same. How can I disable this? It is screwing the intendet communication. Any suggestions? Thanks!
You need to disable serial-starter for this adapter:
https://github.com/victronenergy/venus/wiki/howto-add-a-driver-to-Venus#howto-make-serial-starter-ignore-certain-usb-types
Thanks a lot telekatz!
Unfortunately, only the temporary solution (/opt/victronenergy/serial-starter/stop-tty.sh ttyUSB0) works for me.
When I make the serial starter to ignore the RS232R_USB_UART permanently (by adding a line in /etc/udev/rules.d/serial-starter.rules), also the grid meter, which uses the same chip, is not detected anymore.
As described in the link, use ft_prog to program your FTDI adapter with a unique ID and ignore only this one in serial-starter.rules.
Crappy FT_PROG is not working for me. It pretends to program, but after a refresh the old valuses show up...
Found another workaround: I placed the command to disable serial-starter for USB1 in the file "/etc/rc0.d/K00watchdog". It is executed after every startup. Not nice but works fo me :)
