The class managing the communication with the furnace on serial port. More...

Public Member Functions
def	__init__
	Instanciate a new P2Com object and open the serial port with the good parameters.
def	getCom
	Return the serial port object.
def	checksum
	Obsolete function (the checksum is not processed here now)
def	write
	Write raw datas on to the furnace after adding checksum to it (obsolete)
def	sendMsg
	Write data to serial port.
def	read
	Read datas on the serial port.
def	close
	Close the serial port.

Data Fields
	timeout
	A small timeout.
	failTimeout
	Read fail timeout.
	ser
	The serial port object self.ser = serial.Serial(portFile,9600,serial.EIGHTBITS,serial.PARITY_NONE,serial.STOPBITS_ONE,self.timeout,)
	FRAME_END
	The last char of a sended frame "\r".
	RECV_END
	The last char sended by the furnace in a frame (obsolete and false)

Detailed Description

The class managing the communication with the furnace on serial port.

Definition at line 97 of file p2com.py.

Constructor & Destructor Documentation

def __init__	(	self,
		portFile
	)

Instanciate a new P2Com object and open the serial port with the good parameters.

Parameters

portFile The file name of the serial port (/dev/ttyS0 by default)

Definition at line 103 of file p2com.py.

Member Function Documentation

def checksum ( msg )

Obsolete function (the checksum is not processed here now)

Process a checksum given a message

@todo
Remove P2Com.checksum()

Definition at line 127 of file p2com.py.

def close ( self )

Close the serial port.

Returns: None

Definition at line 227 of file p2com.py.

def read ( self )

Read datas on the serial port.

    Reads datas from the serial port and returns a P2Msg

Exceptions

P2ComError On receive error

Returns: P2Msg object

Definition at line 199 of file p2com.py.

References P2Com.failTimeout, and P2Com.timeout.

def sendMsg	(	self,
		msg
	)

Write data to serial port.

Parameters

msg	a P2Msg object

Returns: None

Definition at line 187 of file p2com.py.

def write	(	self,
		msg
	)

Write raw datas on to the furnace after adding checksum to it (obsolete)

   Take as argument a string representing hexadecimal numbers
   and send the associated bytes array to the serial port.

   Exemple : a call to write("10050F") sends [16,5,15] to the serial port

Parameters