Search found 17 matches

by KI7UXT
Wed Feb 19, 2020 10:10 pm
Forum: MMDVM_HS Hat(s)
Topic: MMDVM HS HAT Error - Failed to Init Device
Replies: 13
Views: 14265

Re: MMDVM HS HAT Error - Failed to Init Device

Thank you KE7FNS and F1RMB (Daniel) for taking the time to try and help me. I truly appreciate the help in trouble shooting. I've learned a bunch, and even last night I thought I might as well try a new Pi image (which I have never done before), so I grabbed a spare micro SD card, dl the Pi firmware...
by KI7UXT
Wed Feb 19, 2020 5:30 pm
Forum: MMDVM_HS Hat(s)
Topic: MMDVM HS HAT Error - Failed to Init Device
Replies: 13
Views: 14265

Re: MMDVM HS HAT Error - Failed to Init Device

It is often possible to fix this but it involves removing the OLED panel as the TCXO in question is underneath it. If you are not set up for this I would suggest returning the board for a refund if you bought it via ebay or similar. Thanks Brian, the JumboSpot is almost 2 years old and I purchased ...
by KI7UXT
Wed Feb 19, 2020 5:27 pm
Forum: MMDVM_HS Hat(s)
Topic: MMDVM HS HAT Error - Failed to Init Device
Replies: 13
Views: 14265

Re: MMDVM HS HAT Error - Failed to Init Device

f1rmb wrote: Wed Feb 19, 2020 7:11 am You're powering your Pi using the wrong USB socket, use the other one (the one next to the corner).
Thanks Daniel, I didn't know that and will use the USB socket by the corner. I did try both USB sockets, and didn't fix my Pi 0 + mmdvmhshat communication error.
by KI7UXT
Wed Feb 19, 2020 6:33 am
Forum: MMDVM_HS Hat(s)
Topic: MMDVM HS HAT Error - Failed to Init Device
Replies: 13
Views: 14265

Re: MMDVM HS HAT Error - Failed to Init Device

One more pic of the Pi 0 rev 1.1.
by KI7UXT
Wed Feb 19, 2020 6:16 am
Forum: MMDVM_HS Hat(s)
Topic: MMDVM HS HAT Error - Failed to Init Device
Replies: 13
Views: 14265

Re: MMDVM HS HAT Error - Failed to Init Device

All that is needed is to first locate the pads for the jumper on the PCB (You haven't mentioned which hat you have, but if you tell me the text that is written on the PCB I'm sure I can dig up a photo of the PCB), then use a pair of metal tweezers or a paper clip and touch the two pads, and then po...
by KI7UXT
Wed Feb 19, 2020 1:43 am
Forum: MMDVM_HS Hat(s)
Topic: MMDVM HS HAT Error - Failed to Init Device
Replies: 13
Views: 14265

Re: MMDVM HS HAT Error - Failed to Init Device

G8SEZ wrote: Tue Feb 18, 2020 2:51 pm If the TCXO that clocks the AD7021 RF chip is not running you get very similar symptoms.
Thanks Brian for the help as well. Truly appreciate it. 73.
by KI7UXT
Wed Feb 19, 2020 1:42 am
Forum: MMDVM_HS Hat(s)
Topic: MMDVM HS HAT Error - Failed to Init Device
Replies: 13
Views: 14265

Re: MMDVM HS HAT Error - Failed to Init Device

Yeah, thats a pretty common issue. Heres a way you can test the serial port, just make sure you substitute /dev/ttyAMA0 where he uses /dev/ttyS0 (you might also have to install minicom, I can't remember if it is included in the image or not. sudo apt install minicom https://medium.com/@amitasinghch...
by KI7UXT
Mon Feb 17, 2020 11:13 pm
Forum: MMDVM_HS Hat(s)
Topic: MMDVM HS HAT Error - Failed to Init Device
Replies: 13
Views: 14265

Re: MMDVM HS HAT Error - Failed to Init Device

KE7FNS, I turned on logging on the pistar admin dashboard, and I think you are correct that there is a communications problem b/w the pi 0 and mmdvm hs hat board. See last two entries in the below log. Starting logging, please wait... I: 2020-02-17 23:08:17.902 This software is for use on amateur ra...
by KI7UXT
Mon Feb 17, 2020 10:54 pm
Forum: MMDVM_HS Hat(s)
Topic: MMDVM HS HAT Error - Failed to Init Device
Replies: 13
Views: 14265

Re: MMDVM HS HAT Error - Failed to Init Device

Thank you KE7FNS for the info, I'll start diving in further per your notes.
by KI7UXT
Mon Feb 17, 2020 5:01 pm
Forum: MMDVM_HS Hat(s)
Topic: MMDVM HS HAT Error - Failed to Init Device
Replies: 13
Views: 14265

MMDVM HS HAT Error - Failed to Init Device

JumboSpot w/Pi0 3.4.17 with mmdvm hs hat v. 1.4.27. Couple days ago I notice my JumboSpot will not longer initialize the mmdvm hs hat. Tried several sudo pistar-mmdvmhshatflash hs_hat commands and receive at the end an error code "Failed to init device". Below is the log file for reference...