Freescale Semiconductor Xtrinsic MAG3110 Magnetometer RD4247MAG3110 RD4247MAG3110 User Manual
Product codes
RD4247MAG3110
Advanced eCompass Features
RD4247MAG3110 Sensor Toolbox Tilt-Compensated eCompass Kit User’s Guide, Rev. 2
Freescale Semiconductor
15
A sample calibration file follows, with inserted annotations displayed in italic text.
The Smart FIFO has dimensions 3x6x6 for 108 entries in total.
Total assigned smart FIFO size
108
FIFO Roll Phi dimension
6
FIFO Pitch Theta dimension
3
FIFO Yaw Psi dimension
6
The calibration has been computed for the 10 element model.
Number of calibration parameters
10
The hard-iron calibration vector in µT.
Hard iron Vx (uT)
260.3826
Hard iron Vy (uT)
41.64858
Hard iron Vz (uT)
-52.42494
The inverse soft-iron matrix.
Inverse Soft Iron invW[0][]
0.9679827
-0.03510316
0.004310295
Inverse Soft Iron invW[1][]
-0.03510318
1.015078
0.03668828
Inverse Soft Iron invW[2][]
0.004310329
0.03668828
1.020367
The ellipsoid fit matrix equal to the square of the inverse soft-iron matrix.
Ellipsoid matrix A[0][]
0.9382414
-0.06945354
0.007282599
Ellipsoid matrix A[1][]
-0.06945354
1.032962
0.07452545
Ellipsoid matrix A[2][]
0.007282599
0.07452545
1.042513