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Shell

About

Use the serial port to monitor and control the application.

Source code

The source code can also be found on Github in the examples/shell folder.

Build and run

Build and run the application.

$ cd examples/shell
$ make -s BOARD=<board> upload

Communicate with the board using a serial terminal emulator, for example TeraTerm.

Type hello_world in the terminal emulator and press Enter. Hello World! is printed.

Press Tab to print a list of all registered commands and try them if you want to.

$ hello_world
Hello World!
$ <tab>
drivers/
filesystems/
hello_world
help
history
kernel/
logout
oam/
$ kernel/thrd/list 
            NAME        STATE  PRIO   CPU  MAX-STACK-USAGE  LOGMASK
           shell      current     0    0%       358/  5575     0x0f
            idle        ready   127    0%        57/   156     0x0f
$