Hardware requirements
Mini/micro USB cable
FRDMK22F board
Personal Computer
Board settings
No special settings are required.
Prepare the Demo
Connect a USB cable between the host PC and the OpenSDA USB port on the target board.
Open a serial terminal with the following settings:
115200 baud rate
8 data bits
No parity
One stop bit
No flow control
Download the program to the target board.
Either press the reset button on your board or launch the debugger in your IDE to begin running the demo.
Running the demo
When the demo runs successfully, you can see the information below printed to the terminal.
Note: you must rotate the board 360 degrees to get the max / min value of the magnetic field.
To calibrate Magnetometer, roll the board on all orientations to get max and min values
Press any key to start calibrating...
Calibrating magnetometer...
Calibrate magnetometer successfully!
Magnetometer offset Mx: 313 - My: 432 - Mz: 494
Compass Angle: xxxx
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