Hardware requirements
Mini/Micro USB cable
FRDM-K32L2A4S board
Personal Computer
Board settings
Input analog signal to J4-11
Prepare the Demo
Connect a USB cable between the PC host and the OpenSDA USB port on the board.
Open a serial terminal on PC for OpenSDA serial device with these settings:
115200 baud rate
8 data bits
No parity
One stop bit
No flow control
Connect external signal source to user-defined channel, defined by “DEMO_ADC16_USER_CHANNEL” in source code.
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, the log would be seen on the OpenSDA terminal like:
ADC16 polling Example.
ADC16_DoAutoCalibration() Done.
ADC Full Range: XXXX
Press any key to get user channel's ADC value ...
ADC Value: 1985
ADC Value: 1689
ADC Value: 1355
ADC Value: 1625
ADC Value: 1575
ADC Value: 1471