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 LPCBootProto import *

    26 from LPCObject import *

    27 

    28 class LPCBootObject(LPCObject):

    29     def __init__(self, confnodesroot, comportstr):

    30         LPCObject.__init__(self, confnodesroot, comportstr)

    31         self.successfully_transfered = False

    32     

    33     def connect(self,comport):

    34         self.SerialConnection = LPCBootProto(comport,#number

    35                                          115200, #speed

    36                                          120)      #timeout

    37         self.HandleSerialTransaction(KEEPBOOTINGTransaction())

    38         self.PLCStatus = "Stopped"

    39     

    40     def StartPLC(self, debug=False):

    41         self.HandleSerialTransaction(STARTTransaction())

    42 

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

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

    45         return self.successfully_transfered

    46 

    47     def MatchMD5(self, MD5):

    48         res = self.HandleSerialTransaction(CHECKMD5Transaction(MD5))

    49         if res :

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

    51         return False

    52 

    53 

    54     def SetTraceVariablesList(self, idxs):

    55         pass

    56     

    57     def GetTraceVariables(self):

    58         return self.PLCStatus, None, None

    59