How to send CR signal over RS232 in C++?

Question

Qt

The device receives signals in AScii. I need to send a CR signal to hex 0D.
Am I sending port->write("\r")?
Am I doing it right or should I send it
port->write("\x0D")?
I don't know much about coding...

Answer 1

const char chr = '\r';
port->write(&chr,1);