[Xastir] Tinytrak TNC not opening interface

Curt Mills curt.we7u at gmail.com
Mon Feb 8 11:38:41 PST 2021


Since it's not KISS you can _try_ the Serial TNC interface with it,
but I don't know what the command-set for the TNC4 looks like so don't
know whether Xastir would be able to talk to it. If it's TAPR TNC-2
compatible to some degree, then it might work.

On Mon, Feb 8, 2021 at 11:21 AM Curt Mills <curt.we7u at gmail.com> wrote:
>
> If putty sees that, then it's not KISS. That looks like normal TNC
> ASCII output, not KISS.
>
> On Mon, Feb 8, 2021 at 11:16 AM Eric Chamberlain
> <ericchamberlain at mail.com> wrote:
> >
> > The code hangs at this line, so the mutex is opened.
> > port_data[port].channel = open(port_data[port].device_name, O_RDWR|O_NOCTTY);
> >
> > Jason, I think its in KISS.  Regarding the readable payload with binary garbage, I'm getting it.  Here's some of what putty sees, so I think the baud rate is good too.
> > KC3OBB-1>APT314,WIDE1-1,WIDE2-1:>MT-Omega v1.47
> > KC3OBB-1>APT314,WIDE1-1,WIDE2-1:$GPRMC,190857,A,4015.8900,N,07946.0796,W,000,057,080221,,*03/TT3 ROCKET|!"#c'6|!w!x!
> > KC3OBB-1>APT314,WIDE1-1,WIDE2-1:$GPRMC,190958,A,4015.8927,N,07946.0753,W,000,169,080221,,*0D|!##c':|!w:Q!
> > KC3OBB-1>APT314,WIDE1-1,WIDE2-1:$GPRMC,191059,A,4015.8942,N,07946.0762,W,000,169,080221,,*05|!$#c'<|!wGY!
> > KC3OBB-1>APT314,WIDE1-1,WIDE2-1:$GPRMC,191159,A,4015.8922,N,07946.0766,W,000,169,080221,,*06|!%#c'>|!w5]!
> > KC3OBB-1>APT314,WIDE1-1,WIDE2-1:$GPRMC,191300,A,4015.8922,N,07946.0776,W,000,169,080221,,*09/TT3 ROCKET|!&#c'?|!w5f!
> > KC3OBB-1>APT314,WIDE1-1,WIDE2-1:$GPRMC,191401,A,4015.8930,N,07946.0789,W,000,169,080221,,*0C|!'#c'@|!w<r!
> >
> >
> >
> >
> >
> > From: "Jason KG4WSV" <kg4wsv at gmail.com>
> >
> > Are you sure it’s in KISS mode?
> >
> > That would equate to a bunch of binary garbage for the packet headers plus some readable text that’s the payload.
> >
> > And maybe triple check the baud rate?
> >
> > -Jason
> >
> >
> > > On Feb 8, 2021, at 6:30 AM, Eric Chamberlain <ericchamberlain at mail.com> wrote:
> > >
> > > That certainly prevents the port from blocking. The interface in xastir returns as 'up' but it doesn't appear to be reading packets off the TNC in the view-incoming data window. Looking in putty it still shows the incoming packets. So its not quite fixed yet.
> > >
> > >
> > >
> > >
> > > From: "Jason KG4WSV" <kg4wsv at gmail.com>
> > >
> > > Try the /dev/cu.whatever device special file.
> > >
> > > It’s been a few years but when I hit the same problem (well, Kermit not putty) switching to cu did the trick.
> > >
> > > -Jason
> > >
> > >> On Feb 7, 2021, at 8:44 PM, Eric Chamberlain <ericchamberlain at mail.com> wrote:
> > >>
> > >> I've been trying to configure an interface to read the tinytrak4 TNC, which is supposed to operate as KISS according to their docs. When I run PuTTY on the /dev/tty.usbserial-1430 port I can see packets coming in from a test transmitter. I close putty and open xastir so the port isn't blocking. When I go to start the TNC interface, in mac it hangs without messages in the terminal window. On the putty it doesn't hang but there's nothing. There are never incoming packets from the view data window. Unfortunately, Byonics say they don't know much about xastir. I've tried this both on my mac and my raspberry. The cable setup works for programming and PuTTY, so I don't think its that or drivers. I think it comes down to settings. Is there anything I can try?
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>
> --
> Curt, WE7U        http://xastir.org        http://www.sarguydigital.com



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Curt, WE7U        http://xastir.org        http://www.sarguydigital.com


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