This is the documentation for the latest (main) development branch of mcuxpresso sdk. If you are looking for the documentation of previous releases, use the drop-down menu on the left and select the desired version.

Hardware requirements

  • Mini/micro USB cable

  • FRDM-K32L2A4S board

  • Personal Computer

Board settings

No special is needed.

Prepare the Demo

  1. Connect a USB cable between the PC host and the OpenSDA USB port on the board.

  2. Open a serial terminal with these settings:

    • 115200 baud rate

    • 8 data bits

    • No parity

    • One stop bit

    • No flow control

  3. Download the program to the target board.

  4. 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 example runs successfully, you can see the similar information from the terminal as below. Note: you must rotate the board 360 degrees to get max , min value 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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