Alan, I have tried to contact your repeater, but the HF propiation from NW USA to there is not good these days. And I don't have things like a tower, beam, or hi power amplifier either.
Don On Fri, Sep 07, 2018 at 07:36:46AM +1000, Alan Beard wrote: > Hi David, Don and Steve, > > Can I be helpful trying to get the STM32 code running on the Nucleo64 > boards that I have for the MMDVM project? > Or perhaps, the Teensy 3.6? > > I use my Banana Pi armv7hl system to compile ARM code. > The Arduino IDE is ported to ARM and runs well. > (I need the DSP library that you use) > > On a side note, I've emailed SolderSmoke. I mentioned the commercials > using TWELP and our Codec2 is open source. Bill (one of the main guys) > responded, very interested. > > It's a bit frustrating here, nobody is trying my Parrot repeater. > In time I'll have a better site for 40m for a repeater but, not soon > as progress on a "radio corner" in my Men's Shed (Nepean) is coming > slowly, very slowly. > Does anybody have a site now? > > Alan VK2ZIW > > > On Fri, 7 Sep 2018 06:44:21 +0930, David Rowe wrote > > Hello List, > > > > Yes Don has been doing some fine work on a 700D port to the STM32, lots > > of progress in with the new OFDM modem (with Steve's help) and crucially > > - the LDPC FEC decoder required for that mode. We have been > > carefully unit testing at each stage, and comparing our results to > > reference code on the x86. > > > > Oh and I think Richard is making progress on a cmake build system for > > the STM32. > > > > At some point we'll need to take a look at the SM1000 "main loop" and > > menu subsystem that Stuart did some fine work on a few years ago, and > > integrate the 700D mode. > > > > Steve - I don't anticipate too many problems getting the ADC/DAC > > subsystem to work with 700D. The memory required is only a couple > > of k bytes in total. Happy to work with you if you on that one, say > > a project to build up some unit tests. > > > > - David > > > > On 07/09/18 04:36, Don wrote: > > > I have been working on some of this, with David's guidance. > > > > > > I have the OFDM modem and LDPC working in separate stand alone tests. > > > Yes there were significant memory issues but they were not too hard to > > > resolve. There were also some performance issues to address. We plan a > > > blog post soon on the details of this part. > > > > > > The next step is to fold these changes into the main stream version making > > > sure not to break anything on the x86 desktop implementation. This will > > > likely push some changes into other parts of the code, such as using > floats > > > instead of doubles when that is good enough. > > > > > > Then other parts of the code will need to be looked at and tested. > > > I'm sure there are places where others could help on this, I'll let > > > David coordinate that. > > > > > > > > > Can anyone tell us what was changed around the input such that the > > > older SM1000 ADC code wouldn't still work for getting data in? > > > > > > > > > Don Reid - W7DMR > > > > > > > > > On Thu, Sep 06, 2018 at 06:48:59PM +0200, Jacob Falzon wrote: > > >> Hi there, > > >> > > >> I had an idea about trying to get the 700D mode working on the SM1000. > > >> Frankly I already tried implementing. The code compiles, and the board > > >> works. Problem is there is no data coming from the ADCs into the FIFOs. > > >> > > >> I am thinking it may be a memory issue? What do you think? > > >> > > >> Thanks and kindest regards, > > > > > >> ------------------------------------------------------------------------- > ----- > > >> Check out the vibrant tech community on one of the world's most > > >> engaging tech sites, Slashdot.org! http://sdm.link/slashdot > > > > > >> _______________________________________________ > > >> Freetel-codec2 mailing list > > >> Freetel-codec2@lists.sourceforge.net > > >> https://lists.sourceforge.net/lists/listinfo/freetel-codec2 > > > > > > > > > -------------------------------------------------------------------------- > ---- > > > Check out the vibrant tech community on one of the world's most > > > engaging tech sites, Slashdot.org! http://sdm.link/slashdot > > > _______________________________________________ > > > Freetel-codec2 mailing list > > > Freetel-codec2@lists.sourceforge.net > > > https://lists.sourceforge.net/lists/listinfo/freetel-codec2 > > > > > > > ---------------------------------------------------------------------------- > -- > > Check out the vibrant tech community on one of the world's most > > engaging tech sites, Slashdot.org! http://sdm.link/slashdot > > _______________________________________________ > > Freetel-codec2 mailing list > > Freetel-codec2@lists.sourceforge.net > > https://lists.sourceforge.net/lists/listinfo/freetel-codec2 > > > Alan > > Evil flourishes when good men do nothing. > Consider the Christmas child. > --------------------------------------------------------------------------- > Alan Beard Unix Support Technician from 1984 to today > 70 Wedmore Rd. Sun Solaris, AIX, HP/UX, Linux, SCO, MIPS > Emu Heights N.S.W. 2750 Routers, terminal servers, printers, terminals etc.. > +61 2 47353013 (h) Support Programming, shell scripting, "C", assembler > 0414 353013 (mobile) After uni, electronics tech > > > ------------------------------------------------------------------------------ > Check out the vibrant tech community on one of the world's most > engaging tech sites, Slashdot.org! http://sdm.link/slashdot > _______________________________________________ > Freetel-codec2 mailing list > Freetel-codec2@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/freetel-codec2 ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, Slashdot.org! http://sdm.link/slashdot _______________________________________________ Freetel-codec2 mailing list Freetel-codec2@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/freetel-codec2
