Hardware requirements

• Micro USB cable

• EVK-MIMXRT685 board

• Personal Computer

Board settings

Prepare the Demo

1. Connect a micro USB cable between the PC host and the CMSIS DAP USB port (J5) on the board

2. Open a serial terminal with the following settings:

   • 115200 baud rate

   • 8 data bits

   • No parity

   • One stop bit

   • No flow control

3. Download the program to the target board.

4. Launch the debugger in your IDE to begin running the demo.

Running the demo

The log below shows the output of the shell demo in the terminal window:

SHELL build: Sep 27 2020
Copyright  2020  NXP

LOG SHELL>> installbackend debugconsole
LOG SHELL>> log fatal
           0: FATAL log_main.c:83:This is "fatal" log message

LOG SHELL>> log error
           0: ERROR log_main.c:87:This is "error" log message

LOG SHELL>> log warning
           0: WARN  log_main.c:91:This is "warning" log message

LOG SHELL>> log info
           0: INFO  log_main.c:95:This is "info" log message

LOG SHELL>> log debug
           0: DEBUG log_main.c:99:This is "debug" log message

LOG SHELL>> log trace
           0: TRACE log_main.c:103:This is "trace" log message

LOG SHELL>> log test
           0: ERROR log_main.c:107:The input arguement "test" is not valid

LOG SHELL>> uninstallbackend debugconsole
LOG SHELL>> 

Note: The shell information “SHELL build: Sep 27 2020” may be different, which depends on the compile date.