public void Open()
{
// open serial port
int fd = Libc.open(portName, Libc.OpenFlags.O_RDWR | Libc.OpenFlags.O_NONBLOCK);
if (fd == -1)
{
throw new Exception($"failed to open port ({portName})");
}
// set baud rate
byte[] termiosData = new byte[256];
Libc.tcgetattr(fd, termiosData);
Libc.cfsetspeed(termiosData, baudRate);
Libc.tcsetattr(fd, 0, termiosData);
// start reading
Task.Run((Action)StartReading, CancellationToken);
this.fd = fd;
}
private void SetTermios(Termios terminos)
{
byte[] termiosData = TermiosHelpers.getBytes(terminos);
Libc.tcsetattr(_FileDescriptor.Value, 0, termiosData);
}