Category : serial-port

I am trying to set up serial port communication in a c++ application on Ubuntu 20. I am opening the serial port like this: serialPort = open("/dev/ttyUSB0", O_RDWR | O_NOCTTY | O_NDELAY); if (serialPort == -1) { perror("FAILED "); exit(1); } fcntl(serialPort, F_SETOWN, getpid()); fcntl(serialPort, F_SETFL, (FNDELAY | FASYNC)); struct termios options; tcgetattr(serialPort, &options); cfsetispeed(&options, ..

Read more

I am trying to learn about serial ports and how they can be used with write and read functions and have found many articles and examples over the past few days. However, I am struggling to figure out what the examples are doing, even the simplest ones. I am coming across different variables such as ..

Read more