def connect(self, portName):
portIdentifier = CommPortIdentifier.getPortIdentifier(portName)
print 'port id:', portIdentifier
if (portIdentifier.isCurrentlyOwned()):
print "Error: Port is currently in use"
else:
commPort = portIdentifier.open('SerialReceiver', 5000)
if isinstance(commPort, SerialPort):
commPort.setSerialPortParams(9600, SerialPort.DATABITS_8,
SerialPort.STOPBITS_1,
SerialPort.PARITY_NONE)
commPort.setFlowControlMode(SerialPort.FLOWCONTROL_NONE)
self.inStr = commPort.getInputStream()
#self.outStr = commPort.getOutputStream()
#Thread(SerialWriter(outStream))).start()
commPort.addEventListener(SerialReader(self.inStr))
commPort.notifyOnDataAvailable(True)
else:
print "Error: Only serial ports are handled by this example."
def device(portnumber):
enum = CommPortIdentifier.getPortIdentifiers()
ports = []
while enum.hasMoreElements():
el = enum.nextElement()
if el.getPortType() == CommPortIdentifier.PORT_SERIAL:
ports.append(el)
return ports[portnumber]
def connect (self, portName):
portIdentifier = CommPortIdentifier.getPortIdentifier (portName)
print 'port id:' , portIdentifier
if (portIdentifier.isCurrentlyOwned() ):
print "Error: Port is currently in use"
else:
commPort = portIdentifier.open('SerialReceiver',5000)
if isinstance( commPort, SerialPort ):
commPort.setSerialPortParams (9600,SerialPort.DATABITS_8,SerialPort.STOPBITS_1,SerialPort.PARITY_NONE)
commPort.setFlowControlMode(SerialPort.FLOWCONTROL_NONE)
self.inStr = commPort.getInputStream()
#self.outStr = commPort.getOutputStream()
#Thread(SerialWriter(outStream))).start()
commPort.addEventListener( SerialReader (self.inStr))
commPort.notifyOnDataAvailable(True)
else:
print "Error: Only serial ports are handled by this example."
def __init__(self,
port, #number of device, numbering starts at
#zero. if everything fails, the user
#can specify a device string, note
#that this isn't portable anymore
baudrate=9600, #baudrate
bytesize=EIGHTBITS, #number of databits
parity=PARITY_NONE, #enable parity checking
stopbits=STOPBITS_ONE, #number of stopbits
timeout=None, #set a timeout value, None to wait forever
xonxoff=0, #enable software flow control
rtscts=0, #enable RTS/CTS flow control
):
if type(port) == type(''): #strings are taken directly
portId = CommPortIdentifier.getPortIdentifier(port)
else:
portId = device(port) #numbers are transformed to a comportid obj
self.portstr = portId.getName()
try:
self.sPort = portId.open("python serial module", 10)
except Exception, msg:
self.sPort = None
raise serialutil.SerialException, "could not open port: %s" % msg
