[Allstar Digital] DMR Gateway

[Steve Zingman]

There is no config file for chan_usrp. It's setup in app_rpt.

rxchannel = usrp/127.0.0.1:34001:32001    ; 
ipaddress_to_use:output_port:input_port


On 01/28/2016 02:58 PM, Stephen - K1LNX wrote:
> Thanks Steve, I really need to get off my duff and start playing with 
> this thing. Are thereany example configs for USRP anywhere (assuming 
> it even needs one)? I looked through your GitHub source tree as well 
> as my own test vm I built, but nothing glares out at me.
>
> Stephen
> K1LNX
>
> On Thu, Jan 28, 2016 at 2:46 PM, Steve Zingman <szingman at msgstor.com 
> <mailto:szingman at msgstor.com>> wrote:
>
>     Stephen,
>     DMRGateway was created with the idea of how do we get audio in and
>     out of asterisk without any modifications to asterisk or app_rpt.
>     chan_usrp fit the bill perfectly. It provides a simple way to send
>     and receive audio (PCM) and the signaling (COS and PTT) needed.
>
>     Steve
>
>     On 01/28/2016 02:28 PM, Stephen - K1LNX wrote:
>>     Mike.... this is good stuff, and congrats on your achievement!
>>
>>     I am still largely new to this as you aware, but in the ASCII
>>     diagram you provided you mention "DIAL w/ USRP" ... just to
>>     clarify, is that the USRP channel driver or a USRP itself, or
>>     both? Just trying to get a feel for what might be needed to
>>     support this for myself from a hardware standpoint.
>>
>>     73
>>     Stephen
>>     K1LNX
>>
>>
>>     On Wed, Jan 27, 2016 at 4:53 PM, Mike Zingman
>>     <mike.zingman at gmail.com <mailto:mike.zingman at gmail.com>> wrote:
>>
>>         Progress has been made.  I finally got a chance to focus back
>>         on the return channel of the gateway and it works. I have had
>>         successful QSOs using the new code where:
>>
>>         Analog Radio <----> DIAL w/ USRP <----> DMRGateway <---->
>>         DMRLink <---> TG9998
>>
>>         This was a full two way path with the DV3000 doing both
>>         encode and decode.  ambe_audio.py has been extensively
>>         modified to support the return channel and DMRGateway is
>>         tasked with the Allstar to DMR linkage.
>>
>>         This code is not ready for prime time yet (the configuration
>>         files need to be updated with additional values, error
>>         checking, code cleanup/refactoring) but an Alpha release will
>>         be available to all testers soon.
>>
>>         Once the code is cleaned up all source will be released to
>>         allow others to modify/extend.
>>
>>         I specifically want to thank Cort for his amazing code base. 
>>         Without it, there is no way I could have added this
>>         functionality.  Open source rocks.  This is so cool, thanks!!!!
>>
>>         Mike
>>
>>
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>>
>>
>>
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>
>     -- 
>     "Anything is possible if you don't know what you are talking about."
>     1st Law of Logic
>
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