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[Paparazzi-devel] RC/Servo Glitches

From: s.gadomski
Subject: [Paparazzi-devel] RC/Servo Glitches
Date: Sat, 23 Aug 2008 12:18:26 +1000 (EST)


I am working with a Tiny v2.1 and if have been able to get pretty much all 
systems working on it except for RC control. I have a JR XF421 EX 5-Channel 
transmitter. I have measured the pulse timing with a oscilloscope and entered 
it into the radio file. Im not sure about the values for DATA_MIN, DATA_MAX, 
SYNC_MIN, SYNC_MAX. Ive entered similar values to that in the other radio files 
so it thought it should be fine.

When I turn on the autopilot and switch to auto1 or manual, the autopilot 
recognises a signal from the transmitter and the servos move. However the 
movement has some glitches. When I move any of the sticks in any direction the 
respective servo moves correctly to a certain point then stops for some time. 
Then if I keep moving in that same direction it jumps instantly back in the 
opposite direction.

Im not sure what causing the problem, i set the timing and changed the airframe 
file to have RC_JR in the makefile. It doesnt seem to be interference because 
the exact same motion happens on every attempt.

Is there something I missed or that needs to be modified?


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