[time-nuts] Reading data from Thunderbolt using an Arduino

[Didier]

Russ,
Check the source code on my GPSMonitor project. It will give you an example how to decode the Trimble data.

WWW.ko4bb.com

Didier

Russ Ramirez <russ.ramirez at gmail.com> wrote:

>I've been playing around with the idea of using an Arduino UNO to read
>information out of my Thunderbolt GPSDO via the serial port rather than
>using a PC (99% of the time anyway). The idea here is to get the time
>and
>some status info to drive an LED display and some LEDs to show the time
>adjusted to Central time, light up to 8 LEDs to represent the birds
>that
>are currently locked onto, and one LED for a Major alarm.
>
>I just received the RS232 to TTL converter breakout board today and I
>can
>see received data over the hardware serial RX pin. Now I know that TB
>uses
>TSIP and not NMEA msgs, but is TSIP binary? I am getting this kind of
>thing
>at 9600:
>
>âV?éFõ.¦×¿ú'NÅ/Ø@pq:yÀ   etc....
>
>about once per second. I found this code on Google Code and the header
>file
>here
>
>https://code.google.com/p/arduino-trimble-thunderbolt-gpsdo/source/browse/trunk/libraries/Tsip/Tsip.h?r=31
>
>implies to me that I should use this as a starting point as this sure
>ain't
>ASCII coming over the wire. Does this sound right?
>
>Thanks,
>Russ
>K0WFS
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-- 
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