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Request for Data Commands
Query Commands
c?
(Compass Update)
Description
Samples the magnetometer and inclinometer sensors, then calculates and returns the
compass heading. When in Standby mode (
h)
use this command to query the compass
reading regardless of whether compass data has been selected for inclusion in the output
word.
Syntax
c?<cr>
Output
when compass units are set to degrees:
$Cnnn.n[Ennn]*checksum<cr><lf>:<cr><lf>
when compass units are set to mils:
$Cnnn.n[Ennn]<cr><lf>:<cr><lf>
Resolution
0.1
Û
or
2 mils
Valid Values
0 to 359.9
Û
or,
0 to 6399 mils
Example
If TCM2 is configured for degrees:
c?<cr>
$C255.5[Ennn]*checksum<cr><lf>:<cr><lf>
If TCM2 is configured for mils:
c?<cr>
$C4480[Ennn]*checksum<cr><lf>:<cr><lf>
Related Commands
uc= (Set Compass Units)
ec= (Compass Data Enable)
