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import os, sys

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base_folder = os.path.split(sys.path[0])[0]

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CanFestivalPath = os.path.join(base_folder, "CanFestival-3")

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sys.path.append(os.path.join(CanFestivalPath, "objdictgen"))

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from nodelist import NodeList

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from nodemanager import NodeManager

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import config_utils, gen_cfile

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from networkedit import networkedit

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from objdictedit import objdictedit

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import canfestival_config

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from gnosis.xml.pickle import *

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from gnosis.xml.pickle.util import setParanoia

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setParanoia(0)

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class _NetworkEdit(networkedit):

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    " Overload some of CanFestival Network Editor methods "

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    def OnCloseFrame(self, event):

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        " Do reset _NodeListPlug.View when closed"

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        self._onclose()

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        event.Skip()

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class _NodeListPlug(NodeList):

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    XSD = """<?xml version="1.0" encoding="ISO-8859-1" ?>

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    <xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema">

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      <xsd:element name="CanFestivalNode">

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        <xsd:complexType>

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          <xsd:attribute name="CAN_Device" type="xsd:string" use="required" />

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          <xsd:attribute name="CAN_Baudrate" type="xsd:string" use="required" />

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          <xsd:attribute name="NodeId" type="xsd:string" use="required" />

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          <xsd:attribute name="Sync_TPDOs" type="xsd:boolean" use="required" default="true"/>

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        </xsd:complexType>

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      </xsd:element>

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    </xsd:schema>

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    """

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    def __init__(self):

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        manager = NodeManager()

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        # TODO change netname when name change

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        NodeList.__init__(self, manager, self.BaseParams.getName())

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        self.LoadProject(self.PlugPath())

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    _View = None

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    def _OpenView(self, logger):

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        if not self._View:

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            def _onclose():

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                self._View = None

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            def _onsave():

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                self.GetPlugRoot().SaveProject()

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            self._View = _NetworkEdit(self.GetPlugRoot().AppFrame, self)

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            # TODO redefine BusId when IEC channel change

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            self._View.SetBusId(self.GetCurrentLocation())

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            self._View._onclose = _onclose

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            self._View._onsave = _onsave

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            self._View.Show()

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    def _ShowMasterGenerated(self, logger):

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        buildpath = self._getBuildPath()

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        # Eventually create build dir

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        if not os.path.exists(buildpath):

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            logger.write_error("Error: No PLC built\n")

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            return

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        masterpath = os.path.join(buildpath, "MasterGenerated.od")

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        if not os.path.exists(masterpath):

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            logger.write_error("Error: No Master generated\n")

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            return

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        new_dialog = objdictedit(None, [masterpath])

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        new_dialog.Show()

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    PluginMethods = [

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        {"bitmap" : os.path.join("images", "NetworkEdit"),

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         "name" : "Edit network", 

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         "tooltip" : "Edit CanOpen Network with NetworkEdit",

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         "method" : _OpenView},

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        {"name" : "Show Master", 

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         "tooltip" : "Show Master generated by config_utils",

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         "method" : _ShowMasterGenerated}

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    ]

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    def OnPlugClose(self):

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        if self._View:

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            self._View.Close()

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    def PlugTestModified(self):

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        return self.HasChanged()

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    def OnPlugSave(self):

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        self.SetRoot(self.PlugPath())

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        self.SaveProject()

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        return True

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    def PlugGenerate_C(self, buildpath, locations, logger):

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        """

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        Generate C code

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        @param current_location: Tupple containing plugin IEC location : %I0.0.4.5 => (0,0,4,5)

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        @param locations: List of complete variables locations \

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            [{"IEC_TYPE" : the IEC type (i.e. "INT", "STRING", ...)

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            "NAME" : name of the variable (generally "__IW0_1_2" style)

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            "DIR" : direction "Q","I" or "M"

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            "SIZE" : size "X", "B", "W", "D", "L"

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            "LOC" : tuple of interger for IEC location (0,1,2,...)

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            }, ...]

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        @return: [(C_file_name, CFLAGS),...] , LDFLAGS_TO_APPEND

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        """

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        current_location = self.GetCurrentLocation()

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        # define a unique name for the generated C file

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        prefix = "_".join(map(lambda x:str(x), current_location))

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        Gen_OD_path = os.path.join(buildpath, "OD_%s.c"%prefix )

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        # Create a new copy of the model with DCF loaded with PDO mappings for desired location

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        master = config_utils.GenerateConciseDCF(locations, current_location, self, self.CanFestivalNode.getSync_TPDOs(),"OD_%s"%prefix)

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        res = gen_cfile.GenerateFile(Gen_OD_path, master)

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        if res :

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            raise Exception, res

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        file = open(os.path.join(buildpath, "MasterGenerated.od"), "w")

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        dump(master, file)

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        file.close()

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        return [(Gen_OD_path,canfestival_config.getCFLAGS(CanFestivalPath))],"",False

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class RootClass:

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    XSD = """<?xml version="1.0" encoding="ISO-8859-1" ?>

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    <xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema">

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      <xsd:element name="CanFestivalInstance">

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        <xsd:complexType>

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          <xsd:attribute name="CAN_Driver" type="xsd:string" use="required" />

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        </xsd:complexType>

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      </xsd:element>

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    </xsd:schema>

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    """

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    PlugChildsTypes = [("CanOpenNode",_NodeListPlug)]

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    def PlugGenerate_C(self, buildpath, locations, logger):

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        format_dict = {"locstr" : "_".join(map(str,self.GetCurrentLocation())),

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                       "candriver" : self.CanFestivalInstance.getCAN_Driver(),

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                       "nodes_includes" : "",

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                       "board_decls" : "",

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                       "nodes_declare" : "",

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                       "nodes_init" : "",

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                       "nodes_open" : "",

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                       "nodes_close" : "",

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                       "nodes_send_sync" : "",

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                       "nodes_proceed_sync" : ""}

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        for child in self.IECSortedChilds():

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            childlocstr = "_".join(map(str,child.GetCurrentLocation()))

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            nodename = "OD_%s" % childlocstr

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            format_dict["nodes_includes"] += '#include "%s.h"\n'%(nodename)

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            format_dict["board_decls"] += 'BOARD_DECL(%s, "%s", "%s")\n'%(

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                   nodename,

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                   child.CanFestivalNode.getCAN_Device(),

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                   child.CanFestivalNode.getCAN_Baudrate())

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            format_dict["nodes_declare"] += 'NODE_DECLARE(%s, %s)\n    '%(

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                   nodename,

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                   child.CanFestivalNode.getNodeId())

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            format_dict["nodes_init"] += 'NODE_INIT(%s, %s)\n    '%(

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                   nodename,

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                   child.CanFestivalNode.getNodeId())

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            format_dict["nodes_open"] += 'NODE_OPEN(%s)\n    '%(nodename)

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            format_dict["nodes_close"] += 'NODE_CLOSE(%s)\n    '%(nodename)

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            format_dict["nodes_send_sync"] += 'NODE_SEND_SYNC(%s)\n    '%(nodename)

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            format_dict["nodes_proceed_sync"] += 'NODE_PROCEED_SYNC(%s)\n    '%(nodename)

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        filename = os.path.join(os.path.split(__file__)[0],"cf_runtime.c")

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        cf_main = open(filename).read() % format_dict

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        cf_main_path = os.path.join(buildpath, "CF_%(locstr)s.c"%format_dict)

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        f = open(cf_main_path,'w')

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        f.write(cf_main)

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        f.close()

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        return [(cf_main_path, canfestival_config.getCFLAGS(CanFestivalPath))],canfestival_config.getLDFLAGS(CanFestivalPath), True

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