DigiPi 2.0 - reboot causes radio to transmit forever

[Michael Day]

I now have 3 different DigiPi 2.0 systems, all using DigiRig Mobile, to different radios: Icom ID-5100A, Yaesu FTM-150R, Yaesu FT-2900. I am using DigiRig cables designed for each of these radio types.

Whenever I power up or warm reboot my DigiPi's, before DigiPi finishes booting the radios will go into transmit mode and never come out of transmit. I have ferrite beads galore on all 3 setups. This occurs even before any of the application software gets started. It's as if the PTT line gets activated as a part of just booting up the Pi.

The only way I know to stop the infinite transmit is to disconnect the USB-C to DigiRig and then quickly reconnect it. If the radio starts transmitting as soon as I plug it back in, repeat the process until the radio doesn't go into transmit.

The odd thing which is happening is each time I start/restart DigiPi, the port assigned to DigiRig alternates between /dev/ttyUSB0 and /dev/ttyUSB1. I find myself having to edit localize.env to make it match which of these device names appears in the /dev subdirectory and then restart my favorite direwolf configuration.

The one thing which may be different with my setup compared to others is the case I bought for my Pi Zero 2W came with a micro-usb to 3 port usb-A hub. I then connect a usb-A to usb-C cable from this hub to my DigiRig Mobile. Should I instead get a micro-usb to usb-C cable to connect the Pi Zero 2W directly to the DigiRig Mobile and not use the hub?

Perplexed & confused as to why only I seem to be having this issue.

Mike - KF9UG.

[Craig]

Hi Mike,  try this,

Click Shell
password: raspberry

sudo remount
sudo systemctl disable gpsd
sudo systemctl disable gpsd.socket


I think the gps service thinks your radio is a GPS, grabs it, asserts RTS on the serial port, and it goes in to transmit.

... or edit /etc/default/gpsd  and change the gps device to anything else, both now, and during your next Initialize.


cool,
-craig
KM6LYW

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