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Re: [Paparazzi-devel] IR2 ADC problem

From: Rui Costa
Subject: Re: [Paparazzi-devel] IR2 ADC problem
Date: Mon, 23 Mar 2009 15:58:42 -0100

Please see here:
If you are getting -512 with IR sensors inside a foam box, you just need to change the (-) signal of the next line from aircraft.xml:
  Change this line:
    <define name="IR2_SIGN" value="-1"/>

To this:
    <define name="IR2_SIGN" value="1"/>

Should resolve the problem.
Best Regards
Rui Costa

2009/3/23 denis bourras <address@hidden>
Dear all,
I am trying to set up the tiny2_1_1 for use in a glow powered aircraft
So far, the GPS tunnel is working, the GCS is populating, the xbee modems are working, the receiver ppm signal is ok, and the connected servos receive a correct pulse signal.
My next issue concerns the IR sensors. Vertical and IR1 react normally when I move them (port1,6 and port1,7 if I am not wrong), but ir2 (port 0,4) does not : it gives a constant -512 (all the neutral values were set to 512). Does anyone have the same problem ?
----- Original Message -----
From: Stephen L Hulme
To: address@hidden
Sent: Monday, March 23, 2009 11:45 AM
Subject: [Paparazzi-devel] Funjet1.xml testing IR H & Top with gyro.

Hi there, once again.
Does one calibrate and tune the two IR sensor arrays simultaneously with the gyro engaged and powered up or not.? 
Thanks in advance

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