Python serial.EIGHTBITS属性代码示例

# 需要导入模块: import serial [as 别名]
# 或者: from serial import EIGHTBITS [as 别名]
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) 

# 需要导入模块: import serial [as 别名]
# 或者: from serial import EIGHTBITS [as 别名]
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"))) 

# 需要导入模块: import serial [as 别名]
# 或者: from serial import EIGHTBITS [as 别名]
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 

# 需要导入模块: import serial [as 别名]
# 或者: from serial import EIGHTBITS [as 别名]
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) 

# 需要导入模块: import serial [as 别名]
# 或者: from serial import EIGHTBITS [as 别名]
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 

# 需要导入模块: import serial [as 别名]
# 或者: from serial import EIGHTBITS [as 别名]
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) 

# 需要导入模块: import serial [as 别名]
# 或者: from serial import EIGHTBITS [as 别名]
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() 

# 需要导入模块: import serial [as 别名]
# 或者: from serial import EIGHTBITS [as 别名]
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() 

# 需要导入模块: import serial [as 别名]
# 或者: from serial import EIGHTBITS [as 别名]
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) 

# 需要导入模块: import serial [as 别名]
# 或者: from serial import EIGHTBITS [as 别名]
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.") 

# 需要导入模块: import serial [as 别名]
# 或者: from serial import EIGHTBITS [as 别名]
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()) 

# 需要导入模块: import serial [as 别名]
# 或者: from serial import EIGHTBITS [as 别名]
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.") 

# 需要导入模块: import serial [as 别名]
# 或者: from serial import EIGHTBITS [as 别名]
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 

# 需要导入模块: import serial [as 别名]
# 或者: from serial import EIGHTBITS [as 别名]
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 

# 需要导入模块: import serial [as 别名]
# 或者: from serial import EIGHTBITS [as 别名]
def __connect_to_devices(self):    # Function for opening connection and connecting to devices
        for device in self.__devices:
            try:    # Start error handler
                connection_start = time.time()
                if self.__devices[device].get("serial") is None \
                        or self.__devices[device]["serial"] is None \
                        or not self.__devices[device]["serial"].isOpen():    # Connect only if serial not available earlier or it is closed.
                    self.__devices[device]["serial"] = None
                    while self.__devices[device]["serial"] is None or not self.__devices[device]["serial"].isOpen():    # Try connect
                        # connection to serial port with parameters from configuration file or default
                        self.__devices[device]["serial"] = serial.Serial(port=self.__config.get('port', '/dev/ttyUSB0'),
                                                                         baudrate=self.__config.get('baudrate', 9600),
                                                                         bytesize=self.__config.get('bytesize', serial.EIGHTBITS),
                                                                         parity=self.__config.get('parity', serial.PARITY_NONE),
                                                                         stopbits=self.__config.get('stopbits', serial.STOPBITS_ONE),
                                                                         timeout=self.__config.get('timeout', 1),
                                                                         xonxoff=self.__config.get('xonxoff', False),
                                                                         rtscts=self.__config.get('rtscts', False),
                                                                         write_timeout=self.__config.get('write_timeout', None),
                                                                         dsrdtr=self.__config.get('dsrdtr', False),
                                                                         inter_byte_timeout=self.__config.get('inter_byte_timeout', None),
                                                                         exclusive=self.__config.get('exclusive', None))
                        time.sleep(.1)
                        if time.time() - connection_start > 10:    # Break connection try if it setting up for 10 seconds
                            log.error("Connection refused per timeout for device %s", self.__devices[device]["device_config"].get("name"))
                            break
            except serial.serialutil.SerialException:
                log.error("Port %s for device %s - not found", self.__config.get('port', '/dev/ttyUSB0'), device)
            except Exception as e:
                log.exception(e)
            else:    # if no exception handled - add device and change connection state
                self.__gateway.add_device(self.__devices[device]["device_config"]["name"], {"connector": self}, self.__devices[device]["device_config"]["type"])
                self.__connected = True