Hardware requirements#
Mini/Micro USB cable
FRDM-K22F board
Personal Computer
USB to Com Converter
Board settings#
Connect pin:
RX of USB2COM to J1-4
TX of USB2COM to J1-2
GND of USB2COM to J2-14
Prepare the Demo#
Connect USB to Com Converter between the PC host and the 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
Download the program to the target board.
Reset the SoC and run the project.
Running the demo#
When the demo runs successfully, the log would be seen on the LPUART Terminal port which connected to the USB2COM like:
Lpuart functional interrupt example
Board receives characters then sends them out
Now please input: