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ThumbDV and AMBEserver : Couldn't find start byte in serial data
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Santu OTTAVI (TK1BI)
Hi,
I'm trying to run AMBEserver with a ThumbDV on a Raspberry Pi 2 running Raspbian (with kernel 4.4.38). I compiled AMBEserver from DL5DI OpenDV GitHub. I try to run it with the following command : /usr/bin/AMBEserver -d -i /dev/ttyUSB0 -s 460800 It seems to start : AMBEserver: Opened serial port /dev/ttyUSB0 at 460800 bps. Then, after a few seconds, I get the following errors : AMBEserver: Couldn't find start byte in serial data AMBEserver: error receiving response to reset AMBEserver: Could not initialize the DV3K! ThumbDV is brand new, out-of-the-box. I tried both speeds of 230400 and 460800, with same results. Please note I didn't follow the installation procedure described here : https://nw-digital-radio.groups.io/g/ambe/wiki/Installing-AMBEserver-on-a-Raspberry-Pi-and-ThumbDV%E2%84%A2 (I do not want to use an 'exotic' Linux distribution, I'd like to run it on standard Raspbian). Thank you in advance. 73 de TK1BI
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Ian
Santu,
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I too had a similar problem with my ThumbDV until I changed over to compasslinux; I found it easier to use Compass as it is Raspbian Jessie with the UDRC driver and a few other minor updates and is available as lite or with GUI. My version is:- Linux compass03 4.4.22-v7+ #1 SMP Thu Sep 29 05:45:46 EDT 2016 armv7l GNU/Linux and is running on a PI2 and PI3. Just my thoughts. Regards, Ian.. Linux compass03 4.4.22-v7+ #1 SMP Thu Sep 29 05:45:46 EDT 2016 armv7l GNU/Linux
On 27-12-2016 20:14, Santu OTTAVI wrote:
Hi,
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Are you sure the ThumbDV is at /dev/ttyUSB0 ? (ls /dev/ttyUSB?) Have you tried the python test scripts? If you have a Windows box handy, you can also test using ThumbTest.exe from https://nw-digital-radio.groups.io/g/ambe/files If it is a newly purchased ThumbDV the baud rate is 460800
On Tue, Dec 27, 2016 at 12:14 PM, Santu OTTAVI <t.ottavi@...> wrote: Hi, --
John D. Hays K7VE PO Box 1223, Edmonds, WA 98020-1223   
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