コード例 #1
0
ファイル: serial_port_unix.cpp プロジェクト: cwarden/quasar
bool
SerialPort::open(int mode)
{
    // Always open as raw so no input/output buffering
    if (!QFile::open(mode | IO_Raw))
	return false;

    // Save current state and set raw
    if (tcgetattr(handle(),&_p->state) < 0) {
	qWarning("Saving termios state failed: %d", errno);
	close();
	return false;
    } else {
	struct termios state = _p->state;
	cfmakeraw(&state);
	state.c_cflag |= CLOCAL;
	state.c_cflag &= ~CRTSCTS;
	if (tcsetattr(handle(), TCSANOW, &state) < 0) {
	    qWarning("Setting raw state failed: %d", errno);
	    close();
	    return false;
	}
    }

    // Set serial port to current characteristics
    setSerial(_baud, _dataBits, _parity, _stopBits);
    setHandshake(_handshake);
    setTimeout(_timeout);

    return true;
}
コード例 #2
0
ファイル: bl08.c プロジェクト: Noah1989/bl08
void initSerialPort() {
	com =  open(COM, O_RDWR | O_NOCTTY | O_NDELAY);
	if (com <0) 
		comErr("Failed to open serial port\n");
		
	fcntl(com, F_SETFL, 0);
		
	struct termios opts;
	
	tcgetattr(com, &opts);

	opts.c_lflag  &=  ~(ICANON | ECHO | ECHOE | ISIG);

	opts.c_cflag |=  (CLOCAL | CREAD);
	opts.c_cflag &=  ~PARENB;
	opts.c_cflag |=  CSTOPB; // two stop bits
	opts.c_cflag &=  ~CSIZE;
	opts.c_cflag |=  CS8;
	
	opts.c_oflag &=  ~OPOST;
	
	opts.c_iflag &=  ~INPCK;
	opts.c_iflag &=  ~(IXON | IXOFF | IXANY);	
	opts.c_cc[ VMIN ] = 0;
	opts.c_cc[ VTIME ] = 10;//0.1 sec
	

	cfsetispeed(&opts, baudRate);   
	cfsetospeed(&opts, baudRate);   
	
	setHandshake();
	
	if (tcsetattr(com, TCSANOW, &opts) != 0) {
		perror(COM); 
		abort(); 
		}
		
	tcflush(com,TCIOFLUSH); // just in case some crap is the buffers
			
	if (!terminalMode) {
		char buf = -2;
		while (read(com, &buf, 1)>0) {
			if (verbose)
				flsprintf(stderr,"Unexpected data from serial port: %02X\n",buf & 0xFF);
			}
		}

	}