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Re: [Paparazzi-devel] Problems with magnetsensor and bmp085 on i2c1 (LPC

From: Eduardo lavratti
Subject: Re: [Paparazzi-devel] Problems with magnetsensor and bmp085 on i2c1 (LPC2148)
Date: Thu, 23 Aug 2012 17:28:48 +0000

i am using MAG and BARO plus acc and gyro on the same i2c port on twog board.

btw, the altitude code is the same used on other renamed autopilot and work very well on my flywing.
i am using bmp085 for more than 6 months without problem.

> Date: Wed, 22 Aug 2012 19:00:53 +0200
> From: address@hidden
> To: address@hidden
> Subject: [Paparazzi-devel] Problems with magnetsensor and bmp085 on i2c1 (LPC2148)
> Hi,
> 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)?
> Heinrich
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> Paparazzi-devel mailing list
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