Developer Comment by jasonshort on January 18, 2010 at 12:51pm

That's really odd. that value is ch2_out which should be constrained to ch2_min.

ch2_out = constrain(ch2_out,    ch2_min,        ch2_max);

This tells me ch2_min is too low. This values is set by the header and overridden by the radio setup routine.

if (ch2_in > 1000 && ch2_in < 2000){
        ch2_min = min(ch2_in, ch2_min);

        ch2_max = max(ch2_in, ch2_max);

}

But as you can see, 1000 is the lowest value.

Could you add :
Serial.println(ch2_min, DEC);

To the main loop and let me know the value?

Developer Comment by Doug Weibel on January 18, 2010 at 12:51pm

Jason, I am not seeing this issue with radio type 1. I am heading out to test again and will double check.

3D Robotics Comment by Chris Anderson on January 18, 2010 at 1:17pm

ch2_min is reading 150

Developer Comment by jasonshort on January 18, 2010 at 1:30pm

That helps. I think I tracked that one down.
In the radio init, the ch2_trim value is being set too low. Most likely this is caused by the filter not being warmed up properly. There is a loop to do this, but I found that it didn't have a 20ms delay on it when reading the radio. That made the loop run too fast. I uploaded a fix.

Thanks for testing it!

Jason

3D Robotics Comment by Chris Anderson on January 18, 2010 at 1:33pm

Great. I'm heading out for a few hours but will test tonight...., thanks!

Comment by Ken on January 18, 2010 at 2:03pm

The EM-406 seems to be working. Though I am lucky to have my hair. It isn't the 2.5 code that was the problem, apparently a messed up Java and/or Arduino was the culprit. I sprinkled Serial.prints all over and is seemed that not only wasn't init_gps being called, huge pieces of code were not running. But when I got sick of some other Java errors popping up and shutting down Arduino and re-installed suddenly 2.5 worked. :)

Developer Comment by jasonshort on January 18, 2010 at 2:17pm

wow, good to hear. Be sure and grab the latest version. We just made some bug fixes!

Comment by Christopher Barnes on January 18, 2010 at 6:09pm

I've spotted a bug in the uBlox GPS decoding which means that corrupt messages are not rejected.
If you are happy to add me to the google code project committers then I will gladly submit a fix - which would be the easiest - if you don't want more people on the project let me know and I'll explain the issue (two compensating bugs at present).
You can see an example of similar code I'm working on in "http://code.google.com/p/ardunxt/"

Developer Comment by jasonshort on January 18, 2010 at 6:30pm

Hi Christopher,
For now could you just send me a fix and I'll verify it works with the system and then upload it. We're on a tight schedule for releasing 2.5
Thanks,
Jason

3D Robotics Comment by Chris Anderson on January 18, 2010 at 7:28pm

Jason, no joy, I'm afraid (although the serial terminal no longer shows input values. Same elevator servo jamming on startup and when RTL or Waypoint is enabled.

Here is the serial stream in manual mode:

And here's the serial stream in RTL mode:

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