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[Paparazzi-devel] Altitude calculation

From: Loic Drumettaz
Subject: [Paparazzi-devel] Altitude calculation
Date: Thu, 22 Dec 2011 10:32:46 +0100


Could someone explain the meaning of "BARO_SENS" and "UNTILT_ACCEL" in the airframe file? I have a Lisa M board and I can't obtain the right altitude (the value rises when i move the board down, while the raw value of the pressure goes up). 
I tried to find where the altitude is calculated in the code, i have found the absolute pressure calculation in "baro_board.h," but i can't find altitude calculation.



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