[chirp_devel] AnyTone AT-D878UV support

[Kosmas Raptis]

Hello!

Thank you for clarifying that CHIRP doesn't support Digital radios. I was
really looking forward to the project to be honest, but it's OK. I'll see
what else O can do. Again thank you!

Kosmas SY1DKC

Στις Σάβ, 5 Σεπ 2020, 03:32 ο χρήστης Jim Unroe <rock.unroe at gmail.com>
έγραψε:

> On Fri, Sep 4, 2020 at 12:17 PM Kosmas Raptis via chirp_devel
> <chirp_devel at intrepid.danplanet.com> wrote:
> >
> > Hello!
> >
> > I've been using CHIRP for a while to program my QYT KT8900D, and
> recently I became interested in adding support for my handheld radio, the
> AnyTone AT-D878UV PLUS (and, by extent, the regular version of it). I set
> up a dev environment on Ubuntu 20.04, used USBPcap to capture its packet
> data from a Read using its official CPS from Windows, as the Add a Radio
> guide suggests, and got that to Ubuntu to analyze with WireShark to start
> working on the driver. I managed to figure out that it has a baud rate of
> 9600, and which device it is from the .pcap file, also saw that it does a
> lot of URB_BULK in and out requests, and also figured out there are
> actually 2 devices in address 1.2 (where my radio is), 1.2.1 and 1.2.3. The
> communication works like this, if my order is correct:
> >
> > host to 1.2.1: URB_BULK in, packet data length is 0
> > host to 1.2.3: URB_BULK out, packet data length is 6
> > 1.2.3 to host: URB_BULK out, packet data length is 0
> > 1.2.1 to host: URB_BULK in, packet data length is 24
> >
> > Repeat multiple times (my radio has a lot of entries on it. Is it
> recommended that I try with 1 entry on it, maybe, to get a shorter pcap
> file that also shows me how it's done per entry? Or doesn't it matter?)
> >
> > But I also need some help. How can I figure out the memory map? How do I
> see the actual data sent in the packet and not just its header? How do I
> check how the radio returns stuff like the version? Also, what are these
> URB_BULK requests? Does it mean that it just dumps its memory without some
> specific protocol? I really need help here, I'm very new to this (Haven't
> worked on this for more than a couple hours, actually, and this is my first
> time reverse engineering anything and using WireShark or USBPcap, and I
> have a lot of questions). Thank you for your help!
>
> Hi Kosmas,
>
> I think that you will find that the way CHIRP is currently written, it
> will not readily be able to support digital radios.
>
> Jim KC9HI
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://intrepid.danplanet.com/pipermail/chirp_devel/attachments/20200905/054b3f36/attachment-0001.html