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

[Bob Camp]

Hi

Another good place to figure out how to decode the TBolt - check out the Lady Heather source code. There's far more in there than you will ever need, it's also all in one place.

Bob

On Apr 4, 2013, at 10:56 PM, 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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