[Allstar Digital] Off topic

[John D. Hays]

AMBEserver can be accessed remotely.  An iPhone or Android app that opened
a UDP stream to AMBEserver over the network would enable such an
application.  I do it with other programs now.

http://nwdigitalradio.com/putting-ambeserver-on-the-internet

It's better than trying to hang a device off a phone :)


On Wed, Feb 10, 2016 at 8:14 AM, Mike Zingman <mike.zingman at gmail.com>
wrote:

> I am an iPhone and Android developer.  There are issues on the iPhone
> side.  This all requires the ThumbDV.  Apple requires any hardware
> connected to the iPhone be approved by the MFI (Made For iPhone) program.
> This is an exclusive club and is not something easily done (I have already
> have apps in the store with MFI approval).
>
> Android is far easier, but still presents some challenges.  For one, you
> would need an Android device that supports USB OTG.  Not too bad as many
> (if not most) modern Android devices now support it.  Second you would need
> Android FTDI drivers.  FTDI does in fact support Android, but in pure
> java.  I have concerns that a pure Java solution on a small device would be
> able to keep up with the frame rate.
>
> Now some alternatives:
> - ASL.  There is already iaxRPT apps for Android and Zoiper for iOS that
> can help you connect to ASL.  Once connected you can use USRP and
> DMRGateway to bridge the gap.
> - Wifi.  Remote the ThumbDV with AMBEServer and use it that way.  It works
> for DMRGateway already so I see no issues from a mobile device.
>
>
>
> On Wed, Feb 10, 2016 at 10:56 AM, Robert Newberry <N1XBM at amsat.org> wrote:
>
>> Real cool, I do not know how to write code or software, but it seems that
>> it's not hard to imagine an iPhone or Android app connected to dmrlink as a
>> peer...or something similar along those lines such as iaxrpt app.
>>
>> If I understand things right, there is a guy on YouTube by the name of
>> Budd Churchward who did something similar.
>>
>> N1XBM
>> Apparare Scientor
>> Paratus Communicare
>> Allstar Node # 27086, 41540, 41812, 42086, 42658
>>
>> On Feb 10, 2016 10:43 AM, "Mike Zingman" <mike.zingman at gmail.com> wrote:
>>
>>> Since this is an ASL list, this is off topic, but may interest some
>>> members.  So here goes.
>>>
>>> Yesterday I decided to try a simple experiment and it worked better than
>>> I had expected.  I conducted my first QSO on DMR without any RF hardware at
>>> all.  Basically just like the DVDongle/ThumbDV for DStar is used (WinDV or
>>> DummyRepeater).  It looks like:
>>>
>>> Mic/Speaker on PC <---> DMRGateway <---> DMRlink <--- BM or SANDBOX
>>>
>>> DMRGateway talks directly with the ThumbDV to both encode and decode the
>>> AMBE data.  The audio and data paths look like:
>>>
>>> TX - Mic audio is pulled from the sound card as 8KHZ PCM and feeds the
>>> encoder.  PTT is controlled by either VOX or a keyboard toggle.  The AMBE
>>> is then encapsulated in IPSC frames and passed on to DMRlink to send to the
>>> network.
>>>
>>> RX - DMRlink sends us AMBE frames.  AMBE audio is decoded by the ThumbDV
>>> and the 8KHZ PCM is sent to the sound hardware.
>>>
>>> This is the same as the ASL solution with USRP except that there is no
>>> ASL and no USRP ;-)
>>>
>>> And it works!  The sound is clean.
>>>
>>> _______________________________________________
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>>> Allstar-Digital at lists.keekles.org
>>> http://lists.keekles.org/cgi-bin/mailman/listinfo/allstar-digital
>>>
>>>
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>>
>
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>


-- 

------------------------------
John D. Hays
K7VE

PO Box 1223, Edmonds, WA 98020-1223
<http://k7ve.org/blog>  <http://twitter.com/#!/john_hays>
<http://www.facebook.com/john.d.hays>
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