#!/usr/bin/env python
# -*- coding: utf-8 -*-
#This file is part of Beremiz, a Integrated Development Environment for
#programming IEC 61131-3 automates supporting plcopen standard and CanFestival.
#
#Copyright (C) 2007: Edouard TISSERANT and Laurent BESSARD
#
#See COPYING file for copyrights details.
#
#This library is free software; you can redistribute it and/or
#modify it under the terms of the GNU General Public
#License as published by the Free Software Foundation; either
#version 2.1 of the License, or (at your option) any later version.
#
#This library is distributed in the hope that it will be useful,
#but WITHOUT ANY WARRANTY; without even the implied warranty of
#MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
#General Public License for more details.
#
#You should have received a copy of the GNU General Public
#License along with this library; if not, write to the Free Software
#Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
from LPCProto import *
class LPCObject():
def __init__(self, pluginsroot, comportstr):
self.PLCStatus = "Disconnected"
self.pluginsroot = pluginsroot
self.PLCprint = pluginsroot.logger.writeyield
self._Idxs = []
comport = int(comportstr[3:]) - 1
try:
self.connect(comportstr)
except Exception,e:
self.pluginsroot.logger.write_error(str(e)+"\n")
self.SerialConnection = None
self.PLCStatus = "Disconnected"
def HandleSerialTransaction(self, transaction):
if self.SerialConnection is not None:
try:
self.PLCStatus, res = self.SerialConnection.HandleTransaction(transaction)
return res
except LPCProtoError,e:
self.pluginsroot.logger.write(_("PLC disconnected\n"))
if self.SerialConnection is not None:
self.SerialConnection.close()
self.SerialConnection = None
self.PLCStatus = "Disconnected"
return None
except Exception,e:
self.pluginsroot.logger.write_warning(str(e)+"\n")
def StartPLC(self, debug=False):
raise LPCProtoError("Not implemented")
def StopPLC(self):
raise LPCProtoError("Not implemented")
def GetPLCstatus(self):
raise LPCProtoError("Not implemented")
def NewPLC(self, md5sum, data, extrafiles):
raise LPCProtoError("Not implemented")
def MatchMD5(self, MD5):
raise LPCProtoError("Not implemented")
def SetTraceVariablesList(self, idxs):
raise LPCProtoError("Not implemented")
def GetTraceVariables(self):
raise LPCProtoError("Not implemented")