Hardware requirements#
Mini/micro USB cable
LPCXpresso55S28 board
Personal Computer
Board settings#
This example project does not call for any special hardware configurations.
Prepare the Demo#
Note: MCUXpresso IDE project default debug console is semihost
Connect a micro USB cable between the PC host and the CMSIS DAP USB port (P6) on the board
Open a serial terminal with the following settings (See Appendix A in Getting started guide for description how to determine serial port number):
115200 baud rate
8 data bits
No parity
One stop bit
No flow control
Download the program to the target board.
Running the demo#
After the board is flashed the Tera Term will print message on terminal.
Example output:
GPIO Driver example
The LED is taking turns to shine.
Standard port read: 402c0
Masked port read: 40000
Port state: 64001804
Port state: 64001804
Port state: 64001804
Port state: 64001804
...
When press s1 the LED GREEN will turn to shine