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  • I have reupload this :ArduCopter 2.2b4 and it works again.

    than I upload over MP the 2.5.3 and it also works, but it´s around 37 deg away

    Then I test my old variant via arduino upload, but get an error:

    #define MAG_ORIENTATION     AP_COMPASS_SPARKFUN_COMPONENTS_DOWN_PINS_FORWARD ROTATION_ROLL_180_YAW_90

    ArduCopter.cpp: In function 'void init_compass()':
    sensors:117: error: expected `)' before 'ROTATION_ROLL_180_YAW_90'

    What can I do to get it right???

    If I put in a declination of:-35,16288 instaed of 2,15 than the compass is right if I put the copter to North

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