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I am running WSJTX on a Raspberry Pi 4 with Bullseye 64-bit OS. Unfortunately, my GPIO 17 (the RTS line of ttyAMA0) is defective. I now want to control PTT with another GPIO pin. The transceiver does not have a CAT or other port. I have tried to do this with a script that listens to the PTT status in WSJTX, but it does not respond to pressing PTT. I have chosen Hamlib rigctld as the rig, and the CAT button turns green, so rigctld is communicating with WSJTX. How can WSJTX control a GPIO?
