[Xastir] TH-D72A with Internal GPS working with Xastir

Tom Hayward esarfl at gmail.com
Wed Mar 21 11:56:54 EDT 2012


I wasn't able to follow your instructions because Xastir doesn't not
have an option for hardware flow control, which is required by the
cp210x usb-serial driver for OS X. It looks like I won't be using my
D72 with Xastir until this option is supported.

I was able to test with a dumb terminal. I sent each of the TNC mode
commands and watched the output for NMEA strings.

TH-D72 v1.02:
TNC off: GPS output works
TNC APRS12: GPS output works
TNC PACKET12: no GPS output

TH-D72 v1.03:
TNC off: GPS output works
TNC APRS12: GPS output works
TNC PACKET12: no GPS output

This seems to confirm the bug we've been seeing all along is also
present in 1.03.

Let me know if you want me to test anything else while I'm on 1.03.

Tom KD7LXL

On Wed, Mar 21, 2012 at 08:25, John Goerzen <jgoerzen at complete.org> wrote:
> I will send it to you off-list.
>
> Here's what I want you to do:
>
> Apply the update
> Follow the instructions at http://wiki.complete.org/THD72PCAPRS to configure
> the radio (two menu items) and Xastir
> Down in the "Use" section of that page, bring up the radio in "APRS ro"
> mode.  (Press TNC on radio, APRS should show up, select the "ro" option that
> the page had you configure in Xastir.)
> Verify that Xastir has a fix on your location.
> Using Interface Control in Xastir, take that interface DOWN.
> This will turn off the TNC.
> Press the TNC button again, turning the TNC on to APRS mode.
> In Xastir interface control, bring up the "packet rw" mode that the wiki
> page had you configure.  The D72A display should now switch from APRS to
> PACKET12.
> Right-click somewhere on the map and select "move my station here" to move
> it to a fake position.
> See if you get some feedback from the GPS to move it back to the correct
> position.
>
> These steps are because it looks like Xastir may still pick up a packet from
> the working APRS mode that the radio was in just prior to switching, and
> give an initial one-time fix.
>
> Make sense?
>
> -- John
>
>
> On 03/21/2012 09:18 AM, Tom Hayward wrote:
>
> On Tue, Mar 20, 2012 at 09:12, John Goerzen <jgoerzen at complete.org> wrote:
>
> I upgraded my radio to 1.05 last Thursday and I'm not sure if it's safe to
> go back down to 1.03.  I do have the 1.03 installer if anybody is running
> older than 1.03 and wants to try the 1.03 upgrade.
>
> To my horror and disgust, I just realized I'm still back on 1.02. If
> you send me the 1.03 installer and instructions about what mode you
> want me to be in and what you want me to see (APRS and NMEA, I'm
> assuming), I can test for you.
>
> After the test I'll be upgrading to 1.05.
>
> Tom KD7LXL
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