Re: ThumbDV & RaspiPi runs not stable
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This is a likely explanation.
On Sat, Mar 24, 2018 at 6:34 PM, Steven Blackford <kb7sqi@...>
Sounds like you could have a issue with your power supply. I’ve ran into that a few times with PI3 once. After I replaced the power supply with a 2.5 amp power supply, the ThumbDV didn’t have any more issues. Hope that helps. 73 de K4SQI!
Thanks for your reply Jeremy. But i don´t geht the point :(. Problem is that the service stops itself and i don´t know why. What I did is using the THUMBDV via the BLUEDV Android App, But it also stops itself when i dont do anything.
pi@compass:~ $ pi@compass:~ $ sudo systemctl status ambeserver@...
-bash: pi@compass:~: command not found
● ambeserver@... - DV3000 Daemon
Loaded: loaded (/lib/systemd/system/ambeserver@.service; enabled)
Active: failed (Result: exit-code) since Sat 2018-03-24 15:36:02 CET; 9h ago
Main PID: 2683 (code=exited, status=1/FAILURE)
Mar 24 09:44:10 compass systemd: Started DV3000 Daemon.
Mar 24 09:44:10 compass AMBEserver: AMBEserver: Starting...
Mar 24 09:44:10 compass AMBEserver: AMBEserver: Opened serial port /dev/ttyUSB0 at 460800 bps.
Mar 24 09:44:10 compass AMBEserver: AMBEserver: Initialized AMBE3000R version V120.E100.XXXX.C106.G514.R009.B0010411.C0020208.
Mar 24 09:44:10 compass AMBEserver: AMBEserver: Listening for connections on UDP port 2460.
Mar 24 15:36:02 compass AMBEserver: AMBEserver: Couldn't find start byte in serial data
Mar 24 15:36:02 compass AMBEserver: AMBEserver: processSerial failed to read packet
Mar 24 15:36:02 compass systemd: ambeserver@...: main process exited, code=exited, status=1/FAILURE
Mar 24 15:36:02 compass systemd: Unit ambeserver@... entered failed state.
Mar 24 15:36:02 compass systemd: Triggering OnFailure= dependencies of ambeserver@....
there is something between 09:4:10 and 15:36:02 i don´t get. Sorry have no ideas. I can´t measure power consumption of the THUMBDV Stick, I could plug it into a external powered usb 3.0 hub. But up to my knowledge the raspi 3 has usb 3.0 ports which provide enough power? I also run a SharkRF Openspot in the same network, but it is on a different port as i know.
John D. Hays
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