Usage¶
The command line interface can be used to create virtual serial devices. For
more information, use the -h
option.
$ serial_mux -h
Initialisation¶
If the Arduino runs code that makes use of the serialMux protocol, like in
this sketch, the serial_mux
command will create virtual serial devices.
Start the serial multiplexer on a serial device, e.g., /dev/ttyUSB0
.
$ serial_mux /dev/ttyUSB0
Detected 2 virtual serial ports.
Virtual serial device 1: /dev/pts/8
Virtual serial device 2: /dev/pts/9
Press Ctrl+C to exit.
Usage¶
We can now run the demo program that uses two-way communication over the first virtual serial device.
$ python demo.py /dev/pts/8
received: 0
received: 1
received: 2
Simultaneously, we can look at the log messages that are written to the second virtual serial device.
$ picocom -q /dev/pts/9
time: 3432
time: 6860
time: 10290