[Allstar Digital] DMR Gateway

Robert Newberry N1XBM at amsat.org
Thu Jan 28 15:14:56 EST 2016


This is excellent and timely information. I've been working in securing my
network feeds on dmrlink. I think I'm ready to start working with my
DV3000. Looking forward to having this all come together.

Then I can start my mmdvm, I've already gotten on the waiting list for
boards.

N1XBM
Apparare Scientor
Paratus Communicare
Allstar Node # 27086, 41540, 41812, 42086, 42658

On Jan 28, 2016 3:10 PM, "Mike Zingman" <mike.zingman at gmail.com> wrote:

> Here is my test stanza (1999 is then linked to my public node when I want
> it).  Note that the older configs show duplex = 2 and I now have mine set
> to simplex with no telemetry.  This is because I would get "feedback" if it
> was duplex and the no-telemetry is to stop any extra crap from getting on
> the DMR network.
>
> 192.168.1.188 is the address of my development machine where I am
> debugging the DMRGateway code.  Once it is solid, I will move it to the
> same Raspberry Pi as ASL.
>
>
>
> [1999]
>
> rxchannel = usrp/192.168.1.188:34001:32001
>
> duplex = 0
>
> scheduler=scheduler
>
> functions = functions-repeater
>
> hangtime=0
>
> authlevel = 0
>
> On Thu, Jan 28, 2016 at 3:02 PM, Steve Zingman <szingman at msgstor.com>
> wrote:
>
>> 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>
>> 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>
>>> 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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>>
>>
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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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