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[Paparazzi-devel] Problems with magnetsensor and bmp085 on i2c1 (LPC2148

From: Prof. Dr.-Ing. Heinrich Warmers
Subject: [Paparazzi-devel] Problems with magnetsensor and bmp085 on i2c1 (LPC2148)
Date: Wed, 22 Aug 2012 19:00:53 +0200
User-agent: Mozilla/5.0 (Windows; U; Windows NT 5.0; de-DE; rv:1.4) Gecko/20030619 Netscape/7.1 (ax)

i use the magnet sensor and the pressure sensor on the same i2c1 of the lpc2148. The magnet sensor is running well (60 times /s) but the bmp085 (8 times/s) send wrong values (temperature 19 C (real 26 C) floating 15..21) the pressure is total wrong.
can the software handle both sensors on the same i2c bus?
Is it necessary to use the interrupt output signal of the sensors?
How can i configure that the BMP data is used to estimate the altitude (multirotor)?


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