:-) At the time, the index microcontroller WAS an 8-bit. 16-bit systems were big and expensive!
gerry On Wed, Apr 10, 2019 at 9:21 AM Jason KG4WSV <[email protected]> wrote: > it should probably just be removed. > > kinda sad, i wanted to implement it once, but the only "documentation" i > could ever find was the version of the OT code that Scott made available. > An implementation for an 8 bit micro controller isn't exactly an ideal > reference design. > > -j > > > > > On Mon, Apr 8, 2019 at 12:33 AM Curt Mills <[email protected]> wrote: > > > The only trackers that implemented it were Argentdata trackers. APRS-IS > > can't handle the packets but your average digipeaters can. I used to run > a > > dual-protocol tracker in my Jeep that would do both APRS and Opentrac > > packets every posit and it worked well. I don't have that in my later > > Argentdata trackers though. > > > > Unless Scott starts putting it into his trackers again it's unlikely > anyone > > will be using it. It's definitely a nice protocol though! > > > > > > On Sun, Apr 7, 2019 at 9:01 PM David Ranch <[email protected]> wrote: > > > > > > > > Hello Tom, > > > > > > Thanks for working on this. To be honest, I've never even heard of > > > OpenTrac protocol before and I consider myself somewhat knowledgeable > on > > > APRS. Guess not! Anyway, as I've learned from the hobby, the APRS > > > protocol is very capable but also buried in a huge amount of legacy > > > "debt". It's shift away from RELAY, it's multiple addendum and what > not > > > really make it difficult to implement a clean solution. I don't know > > > why OpenTrac didn't catch on but maybe embedded solutions can't support > > > both protocols simultaneously on the same frequency? Maybe there isn't > > > enough real benefit over APRS to deploy it more widely? It also > doesn't > > > help that TNC vendors like Kantronics, Timewave, etc. have essentially > > > abandoned their firmware work. > > > > > > If something modern like say Direwolf added Opentrac support, would > that > > > help? I see that YACC supports it already as well. > > > > > > --David > > > KI6ZHD > > > > > > > > > On 04/07/2019 02:01 PM, Tom Russo wrote: > > > > So, I have been going through Xastir very slowly trying to clean up > the > > > many, > > > > many warnings that are emitted by modern compilers. GCC 8 is > > especially > > > noisy, > > > > and warns about many things that are not in fact errors in Xastir, > but > > > it is > > > > also finding a bunch of potential problems that need cleaning up. > > > > > > > > A bunch of these potential problems are showing up in the various > > > functions > > > > to handle OpenTrac protocol packets. Some of these are potential > > buffer > > > > overruns, others are just noise. > > > > > > > > I discussed with Curt how to clean these up, and we could do one of > two > > > things: > > > > - work hard to work out exactly how to fix things so the code > > > actually works > > > > OR > > > > - just remove OpenTrac support, since it's basically dead > > > > > > > > The latter is probably the right thing to do, as there are probably > > very > > > few > > > > people out there who even remember what OpenTrac was, and even fewer > > who > > > still > > > > use it. It was meant to be a more carefully designed protocol than > > APRS > > > > (which grew more-or-less organically, and randomly), but never really > > > > caught on. I do not believe there are any currently-available > trackers > > > or > > > > software that supports transmitting it. > > > > > > > > So, is anyone at all using the OpenTrac decoding in Xastir, and would > > > they > > > > be upset if it were removed? > > > > > > > > > > _______________________________________________ > > > Xastir mailing list > > > [email protected] > > > http://xastir.org/mailman/listinfo/xastir > > > > > > > > > -- > > Curt, WE7U http://we7u.wetnet.net > > http://www.sarguydigital.com > > _______________________________________________ > > Xastir mailing list > > [email protected] > > http://xastir.org/mailman/listinfo/xastir > > > > > -- > -Jason > kg4wsv > _______________________________________________ > Xastir mailing list > [email protected] > http://xastir.org/mailman/listinfo/xastir > -- Gerry Creager NSSL/CIMMS 405.325.6371 ++++++++++++++++++++++ *The way to get started is to quit talking and begin doing.* * Walt Disney* _______________________________________________ Xastir mailing list [email protected] http://xastir.org/mailman/listinfo/xastir
