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#!/usr/bin/env python

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

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

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

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#

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

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#

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#See COPYING file for copyrights details.

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#

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

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#modify it under the terms of the GNU General Public

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#License as published by the Free Software Foundation; either

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

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#

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

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

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

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#General Public License for more details.

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#

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

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

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

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from LPCBootProto import *

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from LPCObject import *

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class LPCBootObject(LPCObject):

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    def __init__(self, confnodesroot, comportstr):

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        LPCObject.__init__(self, confnodesroot, comportstr)

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        self.successfully_transfered = False

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    def connect(self,comport):

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        self.SerialConnection = LPCBootProto(comport,#number

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                                         115200, #speed

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                                         120)      #timeout

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        self.HandleSerialTransaction(KEEPBOOTINGTransaction())

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        self.PLCStatus = "Stopped"

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    def StartPLC(self, debug=False):

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        self.HandleSerialTransaction(STARTTransaction())

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

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        self.successfully_transfered = self.HandleSerialTransaction(LOADTransaction(data, self.PLCprint))

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        return self.successfully_transfered

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    def MatchMD5(self, MD5):

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        res = self.HandleSerialTransaction(CHECKMD5Transaction(MD5))

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        if res :

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            return "".join(res).find('FAILED') == -1

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        return False

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    def SetTraceVariablesList(self, idxs):

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        pass

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    def GetTraceVariables(self):

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        return self.PLCStatus, None, None

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