I typically use screen(1) to open a serial port with the command: sudo screen /dev/ttyUSB2 115200 I've tried setting parenb (and a number of other things) using the following command: sudo screen /dev/ttyUSB2 115200,cs8,parenb,-parodd,-cstopb However, the system doesn't seem to respect this. Long story short, it looks as if screen doesn't support setting those flags. Free Software 3d Home Design Architect 2000. The alternative would be to run stty to set the flags while screen is connected to the port, as you've done. Alternately, you could run or another terminal emulator program inside a conventional screen command-line session, instead of having screen connect directly to the serial port. The screen source code is. Free Reports On Cars on this page.

It looks like the file of interest is. This is shell script which runs during the build process to produce 'tty.c'. Tty.c contains the code for accessing serial ports.

The function SttyMode() appears to be what parses the tty options and sets the tty mode. It appears to me that it handles a small, fixed set of options. 'parenb' and 'parodd' aren't among them. It looks like it'd be straightforward for a developer experienced with C to add support for these options, if that's an option for you.

Node.js package to access serial ports. Linux, OSX and Windows. Welcome your robotic JavaScript overlords. Better yet, program them! To check if your RS232 to RS422 converter (or USB to RS422 converter) is working properly you can make a loop-back test using a terminal program such as AccessPort. This way you can determine if the converter can send and receive characters properly. First connect (loop) the terminals on the converter as following.