Setting serial port mode RS232/RS485 in c program

[WagoKurt]

Hello,
You might have a look at this thread. One option is calling the script from your C program.

How To: Using PFC200 Onboard Serial Port with Node-RED

To change the serial port mode you can use the command line tool found in /etc/config-tools directory called set_serial_mode. cd /etc/config-tools/ To use RS485 (default): ./set_serial_mode rs485 To use RS232: ./set_serial_mode rs232 [image]