1 #!/usr/bin/env python

     2 # -*- coding: utf-8 -*-

     3 

     4 #This file is part of Beremiz, a Integrated Development Environment for

     5 #programming IEC 61131-3 automates supporting plcopen standard and CanFestival. 

     6 #

     7 #Copyright (C) 2007: Edouard TISSERANT and Laurent BESSARD

     8 #

     9 #See COPYING file for copyrights details.

    10 #

    11 #This library is free software; you can redistribute it and/or

    12 #modify it under the terms of the GNU General Public

    13 #License as published by the Free Software Foundation; either

    14 #version 2.1 of the License, or (at your option) any later version.

    15 #

    16 #This library is distributed in the hope that it will be useful,

    17 #but WITHOUT ANY WARRANTY; without even the implied warranty of

    18 #MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

    19 #General Public License for more details.

    20 #

    21 #You should have received a copy of the GNU General Public

    22 #License along with this library; if not, write to the Free Software

    23 #Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

    24 

    25 from LPCProto import *

    26 

    27 

    28 

    29 class LPCObject():

    30     def __init__(self, confnodesroot, comportstr):

    31         self.PLCStatus = "Disconnected"

    32         self.confnodesroot = confnodesroot

    33         self.PLCprint = confnodesroot.logger.writeyield

    34         self._Idxs = []

    35         comport = int(comportstr[3:]) - 1

    36         try:

    37             self.connect(comportstr)

    38         except Exception,e:

    39             self.confnodesroot.logger.write_error(str(e)+"\n")

    40             self.SerialConnection = None

    41             self.PLCStatus = "Disconnected"

    42 

    43     def HandleSerialTransaction(self, transaction):

    44         if self.SerialConnection is not None:

    45             try:

    46                 self.PLCStatus, res = self.SerialConnection.HandleTransaction(transaction)

    47                 return res

    48             except LPCProtoError,e:

    49                 self.confnodesroot.logger.write(_("PLC disconnected\n"))

    50                 if self.SerialConnection is not None:

    51                     self.SerialConnection.close()

    52                     self.SerialConnection = None

    53                 self.PLCStatus = "Disconnected"

    54                 return None

    55             except Exception,e:

    56                 self.confnodesroot.logger.write_warning(str(e)+"\n")

    57         

    58     def StartPLC(self, debug=False):

    59         raise LPCProtoError("Not implemented")

    60             

    61     def StopPLC(self):

    62         raise LPCProtoError("Not implemented")

    63 

    64     def GetPLCstatus(self):

    65         raise LPCProtoError("Not implemented")

    66     

    67     def NewPLC(self, md5sum, data, extrafiles):

    68         raise LPCProtoError("Not implemented")

    69 

    70     def MatchMD5(self, MD5):

    71         raise LPCProtoError("Not implemented")

    72 

    73     def SetTraceVariablesList(self, idxs):

    74         raise LPCProtoError("Not implemented")

    75 

    76     def GetTraceVariables(self):

    77         raise LPCProtoError("Not implemented")

    78