Sean O'Connor

Ardustation - not displaying values

Hi all. I am having some problems trying to display 'real' values on the ardustation display, all I get is 0's.
I am using V1.2 code. The ASC LED blinks, while the RSS LED stays on (so it is receiving data?), I know the XBee Pro modules work because they work well when I use the Labview ground station. The XBee's are both on 57.6K baud.

On the plane side I am using the Sparkfun 3.3v regulated XBee explorer (which works when I use the Labview ground station), although I have also done tests with the Adafruit XBee explorer to no avail.

I have noticed a difference in the outputted data from this link - the 'STT:2' is missing.

Here is a screen capture of incoming data (there is no GPS lock so the LAT and LON = 0):
!!!LAT:0,LON:0,SPD:0.00,CRT:0.00,ALT:0,ALH:46,CRS:0.00,BER:0,WPN:0,DST:0,BTV:11.
95,RSP:0,***
+++ASP:-13,THH:73,RLL:-60,PCH:-45,***
+++ASP:-13,THH:69,RLL:-60,PCH:-45,***
+++ASP:-13,THH:70,RLL:-60,PCH:-45,***
+++ASP:-13,THH:68,RLL:-60,PCH:-45,***

!!!LAT:0,LON:0,SPD:0.00,CRT:0.00,ALT:0,ALH:46,CRS:0.00,BER:0,WPN:0,DST:0,BTV:11.
95,RSP:0,***
+++ASP:-13,THH:67,RLL:-60,PCH:-45,***
+++ASP:-13,THH:69,RLL:-60,PCH:-45,***
+++ASP:-13,THH:65,RLL:-60,PCH:-45,***
+++ASP:-13,THH:64,RLL:-60,PCH:-45,***

!!!LAT:0,LON:0,SPD:0.00,CRT:0.00,ALT:0,ALH:46,CRS:0.00,BER:0,WPN:0,DST:0,BTV:11.
95,RSP:0,***
+++ASP:-13,THH:65,RLL:-60,PCH:-45,***
+++ASP:-13,THH:69,RLL:-60,PCH:-45,***
+++ASP:-13,THH:70,RLL:-60,PCH:-45,***
+++ASP:-13,THH:71,RLL:-60,PCH:-45,***

#Note: I have also tested the Ardustation with all the sensors and GPS (with a lock) but still no success.
Thanks for your time.

Tags: Ardustation, xbee

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Replies to This Discussion

Chris AndersonPermalink Reply by Chris Anderson on December 28, 2009 at 10:57pm
We've never got the Sparkfun Xbee adapters to work on the plane side. We use Adafruit on the plane side, and Sparkfun USB adapters on the ground.
Sean O'ConnorPermalink Reply by Sean O'Connor on December 28, 2009 at 11:54pm
I have tried both adapters on the plane side, both work when I use the Labview grond station, but neither work for the Ardustation.
Something interesting though is that with the Adafruit adapter (when on the plane side) does not light up the RSS LED at all, but data is still being transmitted as I can see it on the computer with Realterm, also the RSS LED on the Ardustation lights up but there are still only 0's.
Chris AndersonPermalink Reply by Chris Anderson on December 29, 2009 at 12:09am
Just checking one thing. Which GPS are you using? If you're using the uBlox, you've got to change all the Xbees to 38k baud.
Sean O'ConnorPermalink Reply by Sean O'Connor on December 29, 2009 at 2:16am
I am still using the old EM-406 GPS.
Greg FletcherPermalink Reply by Greg Fletcher on December 29, 2009 at 2:47am
The data you showed. Is that from the recieving xbee or the Aurdupilot?
Sean O'ConnorPermalink Reply by Sean O'Connor on December 29, 2009 at 1:17pm
That's from the recieving xbee. Here is some directly from the Ardupilot (withoout GPS connected):

!!!LAT:0,LON:0,SPD:0.00,CRT:0.00,ALT:0,ALH:70,MSL:0.00,CRS:0.00,BER:0,WPN:0,DST:
0,BTV:11.88,RSP:0,***
+++,ASP:0THH:63,RLL:60,PCH:-60,STT:0,***
+++,ASP:0THH:70,RLL:60,PCH:-60,STT:0,***
+++,ASP:0THH:74,RLL:60,PCH:-60,STT:0,***
+++,ASP:0THH:76,RLL:60,PCH:-60,STT:0,***

!!!LAT:0,LON:0,SPD:0.00,CRT:0.00,ALT:0,ALH:70,MSL:0.00,CRS:0.00,BER:0,WPN:0,DST:
0,BTV:11.88,RSP:0,***
+++,ASP:0THH:78,RLL:60,PCH:-60,STT:0,***
+++,ASP:-1THH:79,RLL:60,PCH:-60,STT:0,***
+++,ASP:-1THH:79,RLL:60,PCH:-60,STT:0,***
+++,ASP:-1THH:79,RLL:60,PCH:-60,STT:0,***
Chris AndersonPermalink Reply by Chris Anderson on December 29, 2009 at 2:43pm
So just to be clear:

1) When you connect straight to your PC with the FTDI all data is fine.
2) When you connect via Xbee to your PC all data is fine
3) When you connect via Xbee to ArduStation, data is funky.

And in 3 you're using exactly the same Xbee modules and settings as 2?
Sean O'ConnorPermalink Reply by Sean O'Connor on December 29, 2009 at 9:43pm
Yes, that's right.
Chris AndersonPermalink Reply by Chris Anderson on December 29, 2009 at 10:56pm
So how are you capturing that data?

Also, what version ArduPilot code are you using?
Sean O'ConnorPermalink Reply by Sean O'Connor on December 29, 2009 at 11:26pm
With Realterm (I use either the Adafruit xbee adapter or the Sparkfun FT232RL breakout board as the hardware or the Sparkfun 3.3v FTDI when interfacing directly with the Ardupilot).

I am using 2.4 code (successfully written to the 328 chip using th IDE), although when the AP first boots up it prints "V23" in Realterm.
Chris AndersonPermalink Reply by Chris Anderson on December 29, 2009 at 11:29pm
Now I'm confused. How are you using Realterm when the Xbee is plugged into ArduStation?
Sean O'ConnorPermalink Reply by Sean O'Connor on December 29, 2009 at 11:55pm
Sorry, I misunderstood. Initially the xbee was plugged into the Ardustation, but when it displayed only 0's I removed it to see if it was receiving any data, hence plugged it into computer and used Realterm.

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