Freescale Semiconductor Xtrinsic MAG3110 Magnetometer RD4247MAG3110 RD4247MAG3110 User Manual
Product codes
RD4247MAG3110
Quick-Start Demonstration
RD4247MAG3110 Sensor Toolbox Tilt-Compensated eCompass Kit User’s Guide, Rev. 2
Freescale Semiconductor
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3
Quick-Start Demonstration
The following demonstration procedure familiarizes you with the Main and Configuration screens and the
calibration functionality.
calibration functionality.
1. Launch the sensor toolbox software by using the procedure in
The main eCompass screen appears with a red magnet warning icon in the Calibration frame,
indicating that the compass is out of calibration. Text at the bottom of the frame advises Rotate in
figure of 8 to measure geomagnetic field.
indicating that the compass is out of calibration. Text at the bottom of the frame advises Rotate in
figure of 8 to measure geomagnetic field.
2. Rotate the device in a figure-eight motion as advised.
When a minimum of 16 magnetic measurements are stored in the Smart FIFO, the compass
software uses those measurements to calibrate the device. The default, 10-element calibration is
composed of:
software uses those measurements to calibrate the device. The default, 10-element calibration is
composed of:
— Three elements in the Hard Iron frame
— Six elements in the Inverse Soft Iron Matrix frame (There are not nine elements because the
matrix is symmetrical.)
— The geomagnetic field strength in the Calibration frame