Hot answers tagged serial-port
As it turns out, PPP is affecting it's own serial port, and since that's the one that's used to configure the GPS, that's what's causing the problem. By comparing the results of stty -F /dev/ttyUSB3 before and after running PPP, it became apparent that PPP was configuring the serial port in raw mode, which meant I couldn't use it to configure the GPS port. ...
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