Compass	KEYWORD1
AP_Compass	KEYWORD1
APM_Compass	KEYWORD1
init	KEYWORD2
read	KEYWORD2
calculate	KEYWORD2
set_orientation	KEYWORD2
set_offsets	KEYWORD2
set_declination	KEYWORD2
heading	KEYWORD2
heading_x	KEYWORD2
heading_y	KEYWORD2
mag_x	KEYWORD2
mag_y	KEYWORD2
mag_z	KEYWORD2
last_update	KEYWORD2