Python serial.STOPBITS_ONE Examples

def __init__(   self, 
                    data_q, error_q, 
                    port_num,
                    port_baud,
                    port_stopbits = serial.STOPBITS_ONE,
                    port_parity   = serial.PARITY_NONE,
                    port_timeout  = 0.01):
        threading.Thread.__init__(self)
        
        self.serial_port = None
        self.serial_arg  = dict( port      = port_num,
                                 baudrate  = port_baud,
                                 stopbits  = port_stopbits,
                                 parity    = port_parity,
                                 timeout   = port_timeout)

        self.data_q   = data_q
        self.error_q  = error_q
        
        self.alive    = threading.Event()
        self.alive.set()
    #------------------------------------------------------ 

def getCoord():
	# Start the serial connection
	ser=serial.Serial('/dev/ttyAMA0', 115200, bytesize=serial.EIGHTBITS, parity=serial.PARITY_NONE, stopbits=serial.STOPBITS_ONE, timeout=1)
	ser.write("AT+CGNSINF\r")
	while True:
		response = ser.readline()
		if "+CGNSINF: 1," in response:
			# Split the reading by commas and return the parts referencing lat and long
			array = response.split(",")
			lat = array[3]
			print lat
			lon = array[4]
			print lon
			return (lat,lon)


# Start the program by opening the cellular connection and creating a bucket for our data 

def __init__(self, devfile="/dev/ttyS0", baudrate=9600, bytesize=8, timeout=1,
                 parity=serial.PARITY_NONE, stopbits=serial.STOPBITS_ONE,
                 xonxoff=False, dsrdtr=True, codepage="cp858", *args, **kwargs):
        """
        @param devfile  : Device file under dev filesystem
        @param baudrate : Baud rate for serial transmission
        @param bytesize : Serial buffer size
        @param timeout  : Read/Write timeout
        """
        escpos.Escpos.__init__(self, *args, **kwargs)
        self.devfile = devfile
        self.baudrate = baudrate
        self.bytesize = bytesize
        self.timeout = timeout
        self.parity = parity
        self.stopbits = stopbits
        self.xonxoff = xonxoff
        self.dsrdtr = dsrdtr
        self.codepage = codepage 

def open(self):
    self.ser = serial.Serial(self.port, self.baudrate,
                             serial.EIGHTBITS, serial.PARITY_EVEN,
                             serial.STOPBITS_ONE, self.timeout)
    self.clear_errors()
    self.speed = None 

def SetSamBA(DueSerialPort):
    """ 
    Initial triggering of chip into SAM-BA mode. 
    On the Programming Port there is an ATMEGA16U2 chip, acting as a USB bridge to expose the SAM UART as USB. 
    If the host is connected to the programming port at baud rate 1200, the ATMEGA16U2 will assert the Erase pin and Reset pin of the SAM3X, forcing it to the SAM-BA bootloader mode. 
    The port remains the same number but to access SAM-BA Baud rate must be changed to 115200.
    """
    log.Log("Setting into SAM-BA..." + DueSerialPort)
    
    ser = serial.Serial(port=DueSerialPort,\
                        baudrate=1200,\
                        parity=serial.PARITY_NONE,\
                        stopbits=serial.STOPBITS_ONE,\
                        bytesize=serial.EIGHTBITS,\
                        timeout=2000)       
    
    ser.write("\n")
    time.sleep(3)
    ser.close() 
    
    log.Log("SAM-BA Set.") 

def Checks(Port, SketchFile):
    """ Does basic checks that sketch file exists and port is connected."""
    if not os.path.isfile(SketchFile):
        log.Log("Sketch File Does Not Exist: " + SketchFile)
        sys.exit()
    
    try:
        ser = serial.Serial(port=Port,\
            baudrate=1200,\
            parity=serial.PARITY_NONE,\
            stopbits=serial.STOPBITS_ONE,\
            bytesize=serial.EIGHTBITS,\
            timeout=2000)
        
    except serial.SerialException:
        log.Log("Problem with selected Port. Double check it is correct.")
        sys.exit()
    except Exception:
        raise Exception("Unexpected excetion in Checks(): " + traceback.format_exc()) 

def SetSamBA():
    """ 
    Initial triggering of chip into SAM-BA mode. 
    On the Programming Port there is an ATMEGA16U2 chip, acting as a USB bridge to expose the SAM UART as USB. 
    If the host is connected to the programming port at baud rate 1200, the ATMEGA16U2 will assert the Erase pin and Reset pin of the SAM3X, forcing it to the SAM-BA bootloader mode. 
    The port remains the same number but to access SAM-BA Baud rate must be changed to 115200.
    """
    log.Log("Setting into SAM-BA...")
    
    ser = serial.Serial(port=ArduinoFlashHardValues.arduinoPort,\
                        baudrate=1200,\
                        parity=serial.PARITY_NONE,\
                        stopbits=serial.STOPBITS_ONE,\
                        bytesize=serial.EIGHTBITS,\
                        timeout=2000)
                        
    time.sleep(10)
    
    ser.close() 
    log.Log("SAM-BA Set.") 

def __init__(   self, 
                    data_q, error_q, 
                    port_num,
                    port_baud,
                    port_stopbits=serial.STOPBITS_ONE,
                    port_parity=serial.PARITY_NONE,
                    port_timeout=0.01):
        threading.Thread.__init__(self)
        
        self.serial_port = None
        self.serial_arg = dict( port=port_num,
                                baudrate=port_baud,
                                stopbits=port_stopbits,
                                parity=port_parity,
                                timeout=port_timeout)

        self.data_q = data_q
        self.error_q = error_q
        
        self.alive = threading.Event()
        self.alive.set() 

def _port_open(self, port):
		if self._port: # port is already open
			return True

		prt = serial.Serial()
		prt.port = port
		prt.baudrate = 115200
		prt.bytesize = serial.EIGHTBITS  # number of bits per bytes
		prt.parity = serial.PARITY_NONE  # set parity check: no parity
		prt.stopbits = serial.STOPBITS_ONE  # number of stop bits
		prt.timeout = .001  # non-block read
		prt.writeTimeout = None  # timeout for write
		try:
			prt.open()
			self._port = prt
			return True
		except Exception as ex:
			return False 

def __init__(self, portnum=None, useByteQueue=False):
        self.ser = None
        try:
            self.ser = serial.Serial(
                port=portnum,
                baudrate=460800,
                bytesize=serial.EIGHTBITS,
                parity=serial.PARITY_NONE,
                stopbits=serial.STOPBITS_ONE,
                timeout=None,  # seconds
                writeTimeout=None,
                rtscts=True
            )

        except Exception as e:
            if self.ser:
                self.ser.close()
            raise

        self.useByteQueue = useByteQueue
        self.byteQueue = collections.deque()

        # if self.ser.name != None:
        # print "UART %s on port %s" % ("open" if self.ser else "closed", self.ser.name) 

def __init__(self, protocol, deviceNameOrPortNumber, reactor, 
        baudrate = 9600, bytesize = EIGHTBITS, parity = PARITY_NONE,
        stopbits = STOPBITS_ONE, timeout = 3, xonxoff = 0, rtscts = 0):
        # do NOT use timeout = 0 !!
        self._serial = serial.Serial(deviceNameOrPortNumber, baudrate = baudrate, bytesize = bytesize, parity = parity, stopbits = stopbits, timeout = timeout, xonxoff = xonxoff, rtscts = rtscts)
        javareactor.JConnection.__init__(self, self._serial.sPort, protocol, None)
        self.flushInput()
        self.flushOutput()
        
        self.reactor = reactor
        self.protocol = protocol
        self.protocol.makeConnection(self)
        wb = javareactor.WriteBlocker(self, reactor.q)
        wb.start()
        self.writeBlocker = wb
        javareactor.ReadBlocker(self, reactor.q).start() 

def open(self, port, speed=Constants.serial_default_speed, timeout=Constants.serial_timeout_ms):
        """
        Opens a specified serial port.
        :param port: Serial port name.
        :type port: str.
        :param speed: Baud rate, in bps, to connect to port.
        :type speed: int.
        :param timeout: Sets the general connection timeout.
        :type timeout: float.
        :return: True if the port is available.
        :rtype: bool.
        """
        self._serial.port = port
        self._serial.baudrate = int(speed)
        self._serial.stopbits = serial.STOPBITS_ONE
        self._serial.bytesize = serial.EIGHTBITS
        self._serial.timeout = timeout
        return self._is_port_available(self._serial.port) 

def getCoord():
	# Start the serial connection
	ser=serial.Serial('/dev/serial0', 115200, bytesize=serial.EIGHTBITS, parity=serial.PARITY_NONE, stopbits=serial.STOPBITS_ONE, timeout=1)
	ser.write("AT+CGNSINF\r")
	while True:
		response = ser.readline()
		if "+CGNSINF: 1," in response:
			# Split the reading by commas and return the parts referencing lat and long
			array = response.split(",")
			lat = array[3]
			print lat
			lon = array[4]
			print lon
			return (lat,lon)


# Start the program by opening the cellular connection and creating a bucket for our data 

def __init__(self, devfile="/dev/ttyS0", baudrate=9600, bytesize=8, timeout=1,
                 parity=serial.PARITY_NONE, stopbits=serial.STOPBITS_ONE,
                 xonxoff=False, dsrdtr=True, *args, **kwargs):
        """

        :param devfile:  Device file under dev filesystem
        :param baudrate: Baud rate for serial transmission
        :param bytesize: Serial buffer size
        :param timeout:  Read/Write timeout
        :param parity:   Parity checking
        :param stopbits: Number of stop bits
        :param xonxoff:  Software flow control
        :param dsrdtr:   Hardware flow control (False to enable RTS/CTS)
        """
        Escpos.__init__(self, *args, **kwargs)
        self.devfile = devfile
        self.baudrate = baudrate
        self.bytesize = bytesize
        self.timeout = timeout
        self.parity = parity
        self.stopbits = stopbits
        self.xonxoff = xonxoff
        self.dsrdtr = dsrdtr

        self.open() 

def initializeUartPort(
        portName,
        baudrate = 57600,
        bytesize = serial.EIGHTBITS,
        parity   = serial.PARITY_NONE,
        stopbits = serial.STOPBITS_ONE,
        timeout  = 0
    ):

    port = serial.Serial()

    #tuning port object
    port.port         = portName
    port.baudrate     = baudrate
    port.bytesize     = bytesize
    port.parity       = parity
    port.stopbits     = stopbits
    port.timeout      = timeout

    return port 

def setup_serial(ser, port, lock):
    """Setup all parameters for the serial communication"""
    try:
        with lock:
            ser.baudrate = 4800
            ser.port = port
            ser.bytesize = serial.EIGHTBITS
            ser.stopbits = serial.STOPBITS_ONE
            ser.parity = serial.PARITY_NONE
            ser.timeout = 0.1  # Read timeout in seconds
            ser.write_timeout = 0.1  # Write timeout in seconds
    except Exception as e:
        helper.show_error("Problem initializing serial port " + port + ".\n\n"
                          "Exception:\n" + str(e) + "\n\n"
                          "The application will now exit.")
        sys.exit(0) 

def test_serialPortDefaultArgs(self):
        """
        Test correct positional and keyword arguments have been
        passed to the C{serial.Serial} object.
        """
        port = RegularFileSerialPort(self.protocol, self.path, self.reactor)
        # Validate args
        self.assertEqual((self.path,), port._serial.captured_args)
        # Validate kwargs
        kwargs = port._serial.captured_kwargs
        self.assertEqual(9600,                kwargs["baudrate"])
        self.assertEqual(serial.EIGHTBITS,    kwargs["bytesize"])
        self.assertEqual(serial.PARITY_NONE,  kwargs["parity"])
        self.assertEqual(serial.STOPBITS_ONE, kwargs["stopbits"])
        self.assertEqual(0,                   kwargs["xonxoff"])
        self.assertEqual(0,                   kwargs["rtscts"])
        self.assertEqual(None,                kwargs["timeout"])
        port.connectionLost(Failure(Exception("Cleanup"))) 

def modbus_send_serial(data, properties):
    modbus_data = pickle.dumps(data)
    data_length = len(modbus_data)
    encoded_data = base64.b64encode(modbus_data)
    data_size = sys.getsizeof(encoded_data)
    log.debug('Data size : %s' % data_size)

    ser = serial.Serial(
        port='/dev/ttyAMA0',
        baudrate = 57600,
        parity=serial.PARITY_NONE,
        stopbits=serial.STOPBITS_ONE,
        bytesize=serial.EIGHTBITS,
        timeout=0.5
        )

    ser.write(encoded_data)
    log.debug(encoded_data) 

def __init__(self, port, verbose=False):
        threading.Thread.__init__(self)

        self._on = True
        self.verbose = verbose
        self.lock = threading.Lock()
        self.ser = serial.Serial(port,
                                 baudrate=115200,
                                 parity=serial.PARITY_NONE,
                                 stopbits=serial.STOPBITS_ONE,
                                 bytesize=serial.EIGHTBITS)
        is_open = self.ser.isOpen()
        if self.verbose:
            print('pydobot: %s open' % self.ser.name if is_open else 'failed to open serial port')

        self._set_queued_cmd_start_exec()
        self._set_queued_cmd_clear()
        self._set_ptp_joint_params(200, 200, 200, 200, 200, 200, 200, 200)
        self._set_ptp_coordinate_params(velocity=200, acceleration=200)
        self._set_ptp_jump_params(10, 200)
        self._set_ptp_common_params(velocity=100, acceleration=100)
        self._get_pose() 

def __init__(self, port, baudrate, timeout, fs=False):
        """
        Класс описывающий протокол взаимодействия в устройством.

        :type port: str
        :param port: порт взаимодействия с устройством
        :type baudrate: int
        :param baudrate: скорость взаимодействия с устройством
        :type timeout: float
        :param timeout: время таймаута ответа устройства
        :type fs: bool
        :param fs: признак наличия ФН (фискальный накопитель)
        """

        self.port = port
        self.serial = serial.Serial(
            baudrate=baudrate,
            parity=serial.PARITY_NONE,
            stopbits=serial.STOPBITS_ONE,
            timeout=timeout,
            writeTimeout=timeout
        )
        self.fs = fs
        self.connected = False 

def open(self):
        """ Setup serial port and set is as escpos device """
        self.device = serial.Serial(port=self.devfile, baudrate=self.baudrate, bytesize=self.bytesize, parity=serial.PARITY_NONE, stopbits=serial.STOPBITS_ONE, timeout=self.timeout, dsrdtr=True)

        if self.device is not None:
            print "Serial printer enabled"
        else:
            print "Unable to open serial printer on: %s" % self.devfile 

def checkForFix():
	print "checking for fix"
	# Start the serial connection
	ser=serial.Serial('/dev/serial0', 115200, bytesize=serial.EIGHTBITS, parity=serial.PARITY_NONE, stopbits=serial.STOPBITS_ONE, timeout=1)
	# Turn on the GPS
	ser.write("AT+CGNSPWR=1\r")
	ser.write("AT+CGNSPWR?\r")
	while True:
		response = ser.readline()
		if " 1" in response:
			break
	# Ask for the navigation info parsed from NMEA sentences
	ser.write("AT+CGNSINF\r")
	while True:
			response = ser.readline()
			# Check if a fix was found
			if "+CGNSINF: 1,1," in response:
				print "fix found"
				print response
				return True
			# If a fix wasn't found, wait and try again
			if "+CGNSINF: 1,0," in response:
				sleep(5)
				ser.write("AT+CGNSINF\r")
				print "still looking for fix"
			else:
				ser.write("AT+CGNSINF\r")

# Read the GPS data for Latitude and Longitude 

def serial_conf(self, **kwargs):
        self.ser.baudrate = kwargs.get('baudrate', 9600)
        self.ser.bytesize = kwargs.get('bytesize', serial.EIGHTBITS)
        self.ser.parity = kwargs.get('parity', serial.PARITY_NONE)
        self.ser.stopbits = kwargs.get('stopbits', serial.STOPBITS_ONE)
        self.ser.timeout = kwargs.get('timeout', 2)  # Non-Block reading
        self.ser.xonxoff = kwargs.get('xonxoff', False)  # Disable Software Flow Control
        self.ser.rtscts = kwargs.get('rtscts', False)  # Disable (RTS/CTS) flow Control
        self.ser.dsrdtr = kwargs.get('dsrdtr', False)  # Disable (DSR/DTR) flow Control
        self.ser.writeTimeout = kwargs.get('writetimeout', 2) 

def get_modbus_data_serial():
    ser = serial.Serial(
        port='/dev/ttyAMA0',
        baudrate = 57600,
        parity=serial.PARITY_NONE,
        stopbits=serial.STOPBITS_ONE,
        bytesize=serial.EIGHTBITS,
        timeout=1
        )

    x=ser.readline()
    if len(x) > 0:
        decoded_data = base64.b64decode(x)
        log.debug(pickle.loads(decoded_data))
	return pickle.loads(decoded_data) 

def connect(self):
        '''Connects to the serial port with the name `self.port`. If it was
        connected to another serial port disconnects from it first.'''
        if self._serial_port is not None:
            self.disconnect()
        try:
            self._serial_port = serial.Serial(
                self.port, self.baudrate,
                parity=serial.PARITY_NONE, stopbits=serial.STOPBITS_ONE,
                timeout=self.timeout, dsrdtr=True)
        except serial.SerialException as err:
            raise RPLidarException('Failed to connect to the sensor '
                                   'due to: %s' % err) 

def __init__(self, protocol, deviceNameOrPortNumber, reactor, 
        baudrate = 9600, bytesize = EIGHTBITS, parity = PARITY_NONE,
        stopbits = STOPBITS_ONE, xonxoff = 0, rtscts = 0):
        self._serial = serial.Serial(deviceNameOrPortNumber, baudrate=baudrate,
                                     bytesize=bytesize, parity=parity,
                                     stopbits=stopbits, timeout=None,
                                     xonxoff=xonxoff, rtscts=rtscts)
        self.flushInput()
        self.flushOutput()
        self.reactor = reactor
        self.protocol = protocol
        self.outQueue = []
        self.closed = 0
        self.closedNotifies = 0
        self.writeInProgress = 0
        
        self.protocol = protocol
        self._overlappedRead = win32file.OVERLAPPED()
        self._overlappedRead.hEvent = win32event.CreateEvent(None, 1, 0, None)
        self._overlappedWrite = win32file.OVERLAPPED()
        self._overlappedWrite.hEvent = win32event.CreateEvent(None, 0, 0, None)
        
        self.reactor.addEvent(self._overlappedRead.hEvent, self, 'serialReadEvent')
        self.reactor.addEvent(self._overlappedWrite.hEvent, self, 'serialWriteEvent')

        self.protocol.makeConnection(self)

        flags, comstat = win32file.ClearCommError(self._serial.hComPort)
        rc, self.read_buf = win32file.ReadFile(self._serial.hComPort,
                                               win32file.AllocateReadBuffer(1),
                                               self._overlappedRead) 

def connect_serial():
  return serial.Serial(serial_dev,
                        baudrate=9600,
                        bytesize=serial.EIGHTBITS,
                        parity=serial.PARITY_NONE,
                        stopbits=serial.STOPBITS_ONE,
                        timeout=1.0) 

def __init__(self, protocol, deviceNameOrPortNumber, reactor, 
        baudrate = 9600, bytesize = EIGHTBITS, parity = PARITY_NONE,
        stopbits = STOPBITS_ONE, timeout = 0, xonxoff = 0, rtscts = 0):
        abstract.FileDescriptor.__init__(self, reactor)
        self._serial = serial.Serial(deviceNameOrPortNumber, baudrate = baudrate, bytesize = bytesize, parity = parity, stopbits = stopbits, timeout = timeout, xonxoff = xonxoff, rtscts = rtscts)
        self.reactor = reactor
        self.flushInput()
        self.flushOutput()
        self.protocol = protocol
        self.protocol.makeConnection(self)
        self.startReading() 

def __init__(self, serial_port="/dev/ttyS0", serial_baudrate=115200, board="Sixfab Raspberry Pi Cellular IoT Shield", rtscts=False, dsrdtr=False):
		self.board = board
		ser.port = serial_port
		ser.baudrate = serial_baudrate
		ser.parity=serial.PARITY_NONE
		ser.stopbits=serial.STOPBITS_ONE
		ser.bytesize=serial.EIGHTBITS
		ser.rtscts=rtscts
		ser.dsrdtr=dsrdtr
		debug_print(self.board + " Class initialized!") 

def connect_serial():
  return serial.Serial(serial_dev,
                        baudrate=9600,
                        bytesize=serial.EIGHTBITS,
                        parity=serial.PARITY_NONE,
                        stopbits=serial.STOPBITS_ONE,
                        timeout=1.0)