Hardware requirements
Mini/micro USB cable
FRDM-K32L3A6 board
Personal Computer
Board settings
M0 core: Connect input signal to PTB13(J1-8). M4 core: Connect input signal to PTB2(J2-2).
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 example.
Running the demo
When the example runs successfully, you can see information from the terminal as below.
TPM dual-edge capture example
Once the input signal is received the input capture values are printed
The input signal's pulse width is calculated from the capture values & printed
Capture value C(n)V=0
Capture value C(n+1)V=26d4
Input signals pulse width=82 us