[Xastir] Xastir B/T expert?

Sun Mar 20 11:31:05 EDT 2011

Yes, that matches my experience.  It's not the software or the computer 
requiring the handshaking signals, is the bluetooth to serial adapater 
at the radio end.  If it doesn't see the signals, it won't put out the 
data regardless of what the PC may have sent to it over bluetooth.  
It'll receive and pass on to the PC, but anything from the PC never 
comes out the transmit data on the bluetooth adapter.

Not all BT adapters, but some (I've got 3 or 4 different ones here and 
don't remember which requires what because I always wire the connectors 
to provide the loopback so I can plug anything into it).

Lynn (D) - KJ4ERJ - Author of APRSISCE for Windows Mobile and Win32

On 3/20/2011 10:39 AM, Kurt Savegnago wrote:
> The only followup question I would have is I plug the same exact
> 3 wire DB9 cable from the Kenwood to a wired USB/serial converter and with the rig, in Packet mode, it runs perfectly both ways.  Transmit command
> messaging whatever.
>
> So it might be a problem with the IO Gear GBS 301?
>
> http://www.iogear.com/product/GBS301/
>
> Darn, receive only.  Like I said before. the GBS301 pairs fine with the laptop with the stubby GBU421 dongle and the packets are received and plotted just fine from the D7A(g).  What I have trouble understanding is that same serial to DB9, three wire cable from the Kenwood works both ways with a wired serial to USB converter?
>
> Is the deficiency in the the little dongle?
>
> http://www.iogear.com/product/GBU421/
>
> I have one of those Windows CE GPS units coming that Lynn has mentioned before that is supposed to be B/T capable.  I'll see if it works both ways with the little GBU421 when it comes.  Thanks for all the help.
>
>                                 Kurt Savegnago KC9LDH
>
>
> --- On Sun, 3/20/11, Alex Carver<kf4lvz at yahoo.com>  wrote:
>
>> From: Alex Carver<kf4lvz at yahoo.com>
>> Subject: Re: [Xastir] Xastir B/T expert?
>> To: "Xastir - APRS client software discussion"<xastir at lists.xastir.org>
>> Date: Sunday, March 20, 2011, 1:48 AM
>> Lynn is correct, the D7A does not
>> provide any form of handshaking at all.  It has only a
>> three wire connection (transmit, receive, and ground). 
>> I believe the IOGear does indeed need RTS/CTS to work
>> correctly.
>>
>> --- On Sat, 3/19/11, Lynn W. Deffenbaugh (Mr)<ldeffenb at homeside.to>
>> wrote:
>>
>>> From: Lynn W. Deffenbaugh (Mr)<ldeffenb at homeside.to>
>>> Subject: Re: [Xastir] Xastir B/T expert?
>>> To: "Xastir - APRS client software discussion"<xastir at lists.xastir.org>
>>> Date: Saturday, March 19, 2011, 9:53 PM
>>> Have you tried tying the handshaking
>>> wires back on the radio side of the
>>> bluetooth?  I've had some adapaters that will not
>>> transmit data out the
>>> RS-232 side unless it sees the proper handshaking,
>>> DTR->DSR->CD,
>>> RTS->CTS.  It's almost certain that the radio's
>>> interface cable doesn't
>>> provide the handshaking.
>>>
>>> Lynn (D) - KJ4ERJ - Author of APRSISCE for Windows
>> Mobile
>>> and Win32
>>>
>>> On 3/19/2011 9:28 PM, Kurt Savegnago wrote:
>>>> Hi,
>>>>
>>>>      My first Bluetooth foray with Xastir has
>>> been pretty much a success but
>>>> I have a quick and simple question to ask of the
>>> cognescenti.
>>>> Heck it's my first try with the mode I'm
>> embarrassed
>>> to say
>>>>      I plugged in a stubby (and cheap) USB
>>> Dongle, a Broadcom BCM9204DG-CL1ROM into my Slack
>> laptop and
>>> connected a serial cable from the computer jack of a
>> Kenwood
>>> D7A(g) and plugged the DB9 into an IOGear GBS301
>> serial-
>>> to-B/T device. Ran it in packet mode.
>>>> It pairs fine with the computer with BlueZ and
>> the
>>> data packets come in over Xastir (and APRSIS32 with
>>> WINE)just as plain as can be. (Minicom too.)
>>>> Only issue is that no commands get to the D7A(g)
>> from
>>> Xastir to transmit.  I'm using the same
>> initialization
>>> file that works with a direct Serial-USB cable except
>> with
>>> the B/T, Xastir sees it as /dev/rfcomm0 instead of
>>> /dev/ttyUSB"X"
>>>> I did a sudo chmod 777 /dev/rfcomm0 and like I
>> said it
>>> receives just fine.
>>>> I am suspecting that maybe that stubby dongle is
>> only
>>> a one way connection device to the laptop/Xastir?
>> The
>>> IOGear GBS301 is in Slave mode.
>>>> If that el cheapo ($12.00) Dongle on my laptop is
>> the
>>> wrong device, what would be a good Bluetooth/USB
>> device I
>>> can plug into the laptop for two-way communications
>> via
>>> bluetooth to that IOgearGBS 301?
>>>> A $12.00 mistake I can live with. :-)
>>>>
>>>>
>>>             
>>>     Kurt KC9LDH
>>>> http://aprs.fi/?call=PARS&mt=roadmap&z=11&timerange=3600
>>>>
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>>>>
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>>
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