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Some instance type test improved
[CanFestival-3.git] / objdictgen / gen_cfile.py
1 #!/usr/bin/env python
2 # -*- coding: utf-8 -*-
3
4 #This file is part of CanFestival, a library implementing CanOpen Stack. 
5 #
6 #Copyright (C): Edouard TISSERANT and Francis DUPIN
7 #
8 #See COPYING file for copyrights details.
9 #
10 #This library is free software; you can redistribute it and/or
11 #modify it under the terms of the GNU Lesser General Public
12 #License as published by the Free Software Foundation; either
13 #version 2.1 of the License, or (at your option) any later version.
14 #
15 #This library is distributed in the hope that it will be useful,
16 #but WITHOUT ANY WARRANTY; without even the implied warranty of
17 #MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
18 #Lesser General Public License for more details.
19 #
20 #You should have received a copy of the GNU Lesser General Public
21 #License along with this library; if not, write to the Free Software
22 #Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
23
24 from node import *
25 from types import *
26
27 import re, os
28
29 word_model = re.compile('([a-zA-Z_0-9]*)')
30 type_model = re.compile('([\_A-Z]*)([0-9]*)')
31 range_model = re.compile('([\_A-Z]*)([0-9]*)\[([\-0-9]*)-([\-0-9]*)\]')
32
33 categories = [("SDO_SVR", 0x1200, 0x127F), ("SDO_CLT", 0x1280, 0x12FF),
34               ("PDO_RCV", 0x1400, 0x15FF), ("PDO_RCV_MAP", 0x1600, 0x17FF),
35               ("PDO_TRS", 0x1800, 0x19FF), ("PDO_TRS_MAP", 0x1A00, 0x1BFF)]
36 index_categories = ["firstIndex", "lastIndex"]
37
38 generated_tag = """\n/* File generated by gen_cfile.py. Should not be modified. */\n"""
39
40 internal_types = {}
41 default_string_size = 10
42
43 # Format a string for making a C++ variable
44 def FormatName(name):
45     wordlist = [word for word in word_model.findall(name) if word != '']
46     return "_".join(wordlist)
47
48 # Extract the informations from a given type name
49 def GetValidTypeInfos(typename, items=[]):
50     if typename in internal_types:
51         return internal_types[typename]
52     else:
53         result = type_model.match(typename)
54         if result:
55             values = result.groups()
56             if values[0] == "UNSIGNED" and int(values[1]) in [i * 8 for i in xrange(1, 9)]:
57                 typeinfos = ("UNS%s"%values[1], None, "uint%s"%values[1], True)
58             elif values[0] == "INTEGER" and int(values[1]) in [i * 8 for i in xrange(1, 9)]:
59                 typeinfos = ("INTEGER%s"%values[1], None, "int%s"%values[1], False)
60             elif values[0] == "REAL" and int(values[1]) in (32, 64):
61                 typeinfos = ("%s%s"%(values[0], values[1]), None, "real%s"%values[1], False)
62             elif values[0] == "VISIBLE_STRING":
63                 size = default_string_size
64                 for item in items:
65                     size = max(size, len(item))
66                 if values[1] != "":
67                     size = max(size, int(values[1]))
68                 typeinfos = ("UNS8", size, "visible_string", False)
69             elif values[0] == "DOMAIN":
70                 size = 0
71                 for item in items:
72                     size = max(size, len(item))
73                 typeinfos = ("UNS8*", size, "domain", False)
74             elif values[0] == "BOOLEAN":
75                 typeinfos = ("UNS8", None, "boolean", False)
76             else:
77                 raise ValueError, """!!! %s isn't a valid type for CanFestival."""%typename
78             internal_types[typename] = typeinfos
79         else:
80             raise ValueError, """!!! %s isn't a valid type for CanFestival."""%typename
81     return typeinfos
82
83 def ComputeValue(type, value):
84     if type == "visible_string":
85         return "\"%s\""%value, ""
86     elif type == "domain":
87         return "\"%s\""%''.join(["\\x%2.2x"%ord(char) for char in value]), ""
88     elif type.startswith("real"):
89         return "%f"%value, ""
90     else:
91         return "0x%X"%value, "\t/* %s */"%str(value)
92
93 def WriteFile(filepath, content):
94     cfile = open(filepath,"w")
95     cfile.write(content)
96     cfile.close()
97
98 def GenerateFileContent(Node, headerfilepath, pointers_dict = {}):
99     """
100     pointers_dict = {(Idx,Sidx):"VariableName",...}
101     """
102     global type
103     global internal_types
104     global default_string_size
105     
106     texts = {}
107     texts["maxPDOtransmit"] = 0
108     texts["NodeName"] = Node.GetNodeName()
109     texts["NodeID"] = Node.GetNodeID()
110     texts["NodeType"] = Node.GetNodeType()
111     texts["Description"] = Node.GetNodeDescription()
112     texts["iam_a_slave"] = 0
113     if (texts["NodeType"] == "slave"):
114         texts["iam_a_slave"] = 1
115     
116     default_string_size = Node.GetDefaultStringSize()
117     
118     # Compiling lists of indexes
119     rangelist = [idx for idx in Node.GetIndexes() if 0 <= idx <= 0x260]
120     listIndex = [idx for idx in Node.GetIndexes() if 0x1000 <= idx <= 0xFFFF]
121     communicationlist = [idx for idx in Node.GetIndexes() if 0x1000 <= idx <= 0x11FF]
122     sdolist = [idx for idx in Node.GetIndexes() if 0x1200 <= idx <= 0x12FF]
123     pdolist = [idx for idx in Node.GetIndexes() if 0x1400 <= idx <= 0x1BFF]
124     variablelist = [idx for idx in Node.GetIndexes() if 0x2000 <= idx <= 0xBFFF]
125
126 #-------------------------------------------------------------------------------
127 #                       Declaration of the value range types
128 #-------------------------------------------------------------------------------    
129     
130     valueRangeContent = ""
131     strDefine = "\n#define valueRange_EMC 0x9F /* Type for index 0x1003 subindex 0x00 (only set of value 0 is possible) */"
132     strSwitch = """    case valueRange_EMC:
133       if (*(UNS8*)value != (UNS8)0) return OD_VALUE_RANGE_EXCEEDED;
134       break;\n"""
135     internal_types["valueRange_EMC"] = ("UNS8", "", "valueRange_EMC", True)
136     num = 0
137     for index in rangelist:
138         rangename = Node.GetEntryName(index)
139         result = range_model.match(rangename)
140         if result:
141             num += 1
142             typeindex = Node.GetEntry(index, 1)
143             typename = Node.GetTypeName(typeindex)
144             typeinfos = GetValidTypeInfos(typename)
145             internal_types[rangename] = (typeinfos[0], typeinfos[1], "valueRange_%d"%num)
146             minvalue = Node.GetEntry(index, 2)
147             maxvalue = Node.GetEntry(index, 3)
148             strDefine += "\n#define valueRange_%d 0x%02X /* Type %s, %s < value < %s */"%(num,index,typeinfos[0],str(minvalue),str(maxvalue))
149             strSwitch += "    case valueRange_%d:\n"%(num)
150             if typeinfos[3] and minvalue <= 0:
151                 strSwitch += "      /* Negative or null low limit ignored because of unsigned type */;\n"
152             else:
153                 strSwitch += "      if (*(%s*)value < (%s)%s) return OD_VALUE_TOO_LOW;\n"%(typeinfos[0],typeinfos[0],str(minvalue))
154             strSwitch += "      if (*(%s*)value > (%s)%s) return OD_VALUE_TOO_HIGH;\n"%(typeinfos[0],typeinfos[0],str(maxvalue))
155             strSwitch += "    break;\n"
156
157     valueRangeContent += strDefine
158     valueRangeContent += "\nUNS32 %(NodeName)s_valueRangeTest (UNS8 typeValue, void * value)\n{"%texts
159     valueRangeContent += "\n  switch (typeValue) {\n"
160     valueRangeContent += strSwitch
161     valueRangeContent += "  }\n  return 0;\n}\n"
162
163 #-------------------------------------------------------------------------------
164 #            Creation of the mapped variables and object dictionary
165 #-------------------------------------------------------------------------------
166
167     mappedVariableContent = ""
168     pointedVariableContent = ""
169     strDeclareHeader = ""
170     strDeclareCallback = ""
171     indexContents = {}
172     indexCallbacks = {}
173     for index in listIndex:
174         texts["index"] = index
175         strIndex = ""
176         entry_infos = Node.GetEntryInfos(index)
177         texts["EntryName"] = entry_infos["name"].encode('ascii','replace')
178         values = Node.GetEntry(index)
179         callbacks = Node.HasEntryCallbacks(index)
180         if index in variablelist:
181             strIndex += "\n/* index 0x%(index)04X :   Mapped variable %(EntryName)s */\n"%texts
182         else:
183             strIndex += "\n/* index 0x%(index)04X :   %(EntryName)s. */\n"%texts
184         
185         # Entry type is VAR
186         if isinstance(values, ListType):
187             subentry_infos = Node.GetSubentryInfos(index, 0)
188             typename = Node.GetTypeName(subentry_infos["type"])
189             typeinfos = GetValidTypeInfos(typename, [values])
190             texts["subIndexType"] = typeinfos[0]
191             if typeinfos[1] is not None:
192                 texts["suffixe"] = "[%d]"%typeinfos[1]
193             else:
194                 texts["suffixe"] = ""
195             texts["value"], texts["comment"] = ComputeValue(typeinfos[2], values)
196             if index in variablelist:
197                 texts["name"] = FormatName(subentry_infos["name"])
198                 strDeclareHeader += "extern %(subIndexType)s %(name)s%(suffixe)s;\t\t/* Mapped at index 0x%(index)04X, subindex 0x00*/\n"%texts
199                 mappedVariableContent += "%(subIndexType)s %(name)s%(suffixe)s = %(value)s;\t\t/* Mapped at index 0x%(index)04X, subindex 0x00 */\n"%texts
200             else:
201                 strIndex += "                    %(subIndexType)s %(NodeName)s_obj%(index)04X%(suffixe)s = %(value)s;%(comment)s\n"%texts
202             values = [values]
203         else:
204             subentry_infos = Node.GetSubentryInfos(index, 0)
205             typename = Node.GetTypeName(subentry_infos["type"])
206             typeinfos = GetValidTypeInfos(typename)
207             if index == 0x1003:
208                 texts["value"] = 0
209             else:
210                 texts["value"] = values[0]
211             texts["subIndexType"] = typeinfos[0]
212             strIndex += "                    %(subIndexType)s %(NodeName)s_highestSubIndex_obj%(index)04X = %(value)d; /* number of subindex - 1*/\n"%texts
213             
214             # Entry type is RECORD
215             if entry_infos["struct"] & OD_IdenticalSubindexes:
216                 subentry_infos = Node.GetSubentryInfos(index, 1)
217                 typename = Node.GetTypeName(subentry_infos["type"])
218                 typeinfos = GetValidTypeInfos(typename, values[1:])
219                 texts["subIndexType"] = typeinfos[0]
220                 if typeinfos[1] is not None:
221                     texts["suffixe"] = "[%d]"%typeinfos[1]
222                 else:
223                     texts["suffixe"] = ""
224                 texts["length"] = values[0]
225                 if index in variablelist:
226                     texts["name"] = FormatName(entry_infos["name"])
227                     strDeclareHeader += "extern %(subIndexType)s %(name)s[%(length)d]%(suffixe)s;\t\t/* Mapped at index 0x%(index)04X, subindex 0x01 - 0x%(length)02X */\n"%texts
228                     mappedVariableContent += "%(subIndexType)s %(name)s[] =\t\t/* Mapped at index 0x%(index)04X, subindex 0x01 - 0x%(length)02X */\n  {\n"%texts
229                     for subIndex, value in enumerate(values):
230                         sep = ","
231                         if subIndex > 0:
232                             if subIndex == len(values)-1:
233                                 sep = ""
234                             value, comment = ComputeValue(typeinfos[2], value)
235                             mappedVariableContent += "    %s%s%s\n"%(value, sep, comment)
236                     mappedVariableContent += "  };\n"
237                 else:
238                     strIndex += "                    %(subIndexType)s %(NodeName)s_obj%(index)04X[] = \n                    {\n"%texts
239                     for subIndex, value in enumerate(values):
240                         sep = ","
241                         if subIndex > 0:
242                             if subIndex == len(values)-1:
243                                 sep = ""
244                             value, comment = ComputeValue(typeinfos[2], value)
245                             strIndex += "                      %s%s%s\n"%(value, sep, comment)
246                     strIndex += "                    };\n"
247             else:
248                 
249                 texts["parent"] = FormatName(entry_infos["name"])
250                 # Entry type is ARRAY
251                 for subIndex, value in enumerate(values):
252                     texts["subIndex"] = subIndex
253                     if subIndex > 0:
254                         subentry_infos = Node.GetSubentryInfos(index, subIndex)
255                         typename = Node.GetTypeName(subentry_infos["type"])
256                         typeinfos = GetValidTypeInfos(typename, [values[subIndex]])
257                         texts["subIndexType"] = typeinfos[0]
258                         if typeinfos[1] is not None:
259                             texts["suffixe"] = "[%d]"%typeinfos[1]
260                         else:
261                             texts["suffixe"] = ""
262                         texts["value"], texts["comment"] = ComputeValue(typeinfos[2], value)
263                         texts["name"] = FormatName(subentry_infos["name"])
264                         if index in variablelist:
265                             strDeclareHeader += "extern %(subIndexType)s %(parent)s_%(name)s%(suffixe)s;\t\t/* Mapped at index 0x%(index)04X, subindex 0x%(subIndex)02X */\n"%texts
266                             mappedVariableContent += "%(subIndexType)s %(parent)s_%(name)s%(suffixe)s = %(value)s;\t\t/* Mapped at index 0x%(index)04X, subindex 0x%(subIndex)02X */\n"%texts
267                         else:
268                             strIndex += "                    %(subIndexType)s %(NodeName)s_obj%(index)04X_%(name)s%(suffixe)s = %(value)s;%(comment)s\n"%texts
269         
270         # Generating Dictionary C++ entry
271         if callbacks:
272             if index in variablelist:
273                 name = FormatName(entry_infos["name"])
274             else:
275                 name = "%(NodeName)s_Index%(index)04X"%texts
276             strIndex += "                    ODCallback_t %s_callbacks[] = \n                     {\n"%name
277             for subIndex in xrange(len(values)):
278                 strIndex += "                       NULL,\n"
279             strIndex += "                     };\n"
280             indexCallbacks[index] = "*callbacks = %s_callbacks; "%name
281         else:
282             indexCallbacks[index] = ""
283         strIndex += "                    subindex %(NodeName)s_Index%(index)04X[] = \n                     {\n"%texts
284         for subIndex in xrange(len(values)):
285             subentry_infos = Node.GetSubentryInfos(index, subIndex)
286             if subIndex < len(values) - 1:
287                 sep = ","
288             else:
289                 sep = ""
290             typename = Node.GetTypeName(subentry_infos["type"])
291             if entry_infos["struct"] & OD_IdenticalSubindexes:
292                 typeinfos = GetValidTypeInfos(typename, values)
293             else:
294                 typeinfos = GetValidTypeInfos(typename, [values[subIndex]])
295             if subIndex == 0:
296                 if index == 0x1003:
297                     typeinfos = GetValidTypeInfos("valueRange_EMC")
298                 if entry_infos["struct"] & OD_MultipleSubindexes:
299                     name = "%(NodeName)s_highestSubIndex_obj%(index)04X"%texts
300                 elif index in variablelist:
301                     name = FormatName(subentry_infos["name"])
302                 else:
303                     name = FormatName("%s_obj%04X"%(texts["NodeName"], texts["index"]))
304             elif entry_infos["struct"] & OD_IdenticalSubindexes:
305                 if index in variablelist:
306                     name = "%s[%d]"%(FormatName(entry_infos["name"]), subIndex - 1)
307                 else:
308                     name = "%s_obj%04X[%d]"%(texts["NodeName"], texts["index"], subIndex - 1)
309             else:
310                 if index in variablelist:
311                     name = FormatName("%s_%s"%(entry_infos["name"],subentry_infos["name"]))
312                 else:
313                     name = "%s_obj%04X_%s"%(texts["NodeName"], texts["index"], FormatName(subentry_infos["name"]))
314             if typeinfos[2] == "visible_string":
315                 sizeof = str(max(len(values[subIndex]), default_string_size))
316             elif typeinfos[2] == "domain":
317                 sizeof = str(len(values[subIndex]))
318             else:
319                 sizeof = "sizeof (%s)"%typeinfos[0]
320             params = Node.GetParamsEntry(index, subIndex)
321             if params["save"]:
322                 save = "|TO_BE_SAVE"
323             else:
324                 save = ""
325             strIndex += "                       { %s%s, %s, %s, (void*)&%s }%s\n"%(subentry_infos["access"].upper(),save,typeinfos[2],sizeof,name,sep)
326             pointer_name = pointers_dict.get((index, subIndex), None)
327             if pointer_name is not None:
328                 pointedVariableContent += "%s* %s = &%s;\n"%(typeinfos[0], pointer_name, name)
329         strIndex += "                     };\n"
330         indexContents[index] = strIndex
331         
332 #-------------------------------------------------------------------------------
333 #                     Declaration of Particular Parameters
334 #-------------------------------------------------------------------------------
335
336     if 0x1003 not in communicationlist:
337         entry_infos = Node.GetEntryInfos(0x1003)
338         texts["EntryName"] = entry_infos["name"]
339         indexContents[0x1003] = """\n/* index 0x1003 :   %(EntryName)s */
340                     UNS8 %(NodeName)s_highestSubIndex_obj1003 = 0; /* number of subindex - 1*/
341                     UNS32 %(NodeName)s_obj1003[] = 
342                     {
343                       0x0       /* 0 */
344                     };
345                     ODCallback_t %(NodeName)s_Index1003_callbacks[] = 
346                      {
347                        NULL,
348                        NULL,
349                      };
350                     subindex %(NodeName)s_Index1003[] = 
351                      {
352                        { RW, valueRange_EMC, sizeof (UNS8), (void*)&%(NodeName)s_highestSubIndex_obj1003 },
353                        { RO, uint32, sizeof (UNS32), (void*)&%(NodeName)s_obj1003[0] }
354                      };
355 """%texts
356
357     if 0x1005 not in communicationlist:
358         entry_infos = Node.GetEntryInfos(0x1005)
359         texts["EntryName"] = entry_infos["name"]
360         indexContents[0x1005] = """\n/* index 0x1005 :   %(EntryName)s */
361                     UNS32 %(NodeName)s_obj1005 = 0x0;   /* 0 */
362 """%texts
363
364     if 0x1006 not in communicationlist:
365         entry_infos = Node.GetEntryInfos(0x1006)
366         texts["EntryName"] = entry_infos["name"]
367         indexContents[0x1006] = """\n/* index 0x1006 :   %(EntryName)s */
368                     UNS32 %(NodeName)s_obj1006 = 0x0;   /* 0 */
369 """%texts
370
371     if 0x1014 not in communicationlist:
372         entry_infos = Node.GetEntryInfos(0x1014)
373         texts["EntryName"] = entry_infos["name"]
374         indexContents[0x1014] = """\n/* index 0x1014 :   %(EntryName)s */
375                     UNS32 %(NodeName)s_obj1014 = 0x80 + 0x%(NodeID)02X;   /* 128 + NodeID */
376 """%texts
377
378     if 0x1016 in communicationlist:
379         texts["heartBeatTimers_number"] = Node.GetEntry(0x1016, 0)
380     else:
381         texts["heartBeatTimers_number"] = 0
382         entry_infos = Node.GetEntryInfos(0x1016)
383         texts["EntryName"] = entry_infos["name"]
384         indexContents[0x1016] = """\n/* index 0x1016 :   %(EntryName)s */
385                     UNS8 %(NodeName)s_highestSubIndex_obj1016 = 0;
386                     UNS32 %(NodeName)s_obj1016[]={0};
387 """%texts
388     
389     if 0x1017 not in communicationlist:
390         entry_infos = Node.GetEntryInfos(0x1017)
391         texts["EntryName"] = entry_infos["name"]
392         indexContents[0x1017] = """\n/* index 0x1017 :   %(EntryName)s */ 
393                     UNS16 %(NodeName)s_obj1017 = 0x0;   /* 0 */
394 """%texts
395
396 #-------------------------------------------------------------------------------
397 #               Declaration of navigation in the Object Dictionary
398 #-------------------------------------------------------------------------------
399
400     strDeclareIndex = ""
401     strDeclareSwitch = ""
402     strQuickIndex = ""
403     quick_index = {}
404     for index_cat in index_categories:
405         quick_index[index_cat] = {}
406         for cat, idx_min, idx_max in categories:
407             quick_index[index_cat][cat] = 0
408     maxPDOtransmit = 0
409     for i, index in enumerate(listIndex):
410         texts["index"] = index
411         strDeclareIndex += "  { (subindex*)%(NodeName)s_Index%(index)04X,sizeof(%(NodeName)s_Index%(index)04X)/sizeof(%(NodeName)s_Index%(index)04X[0]), 0x%(index)04X},\n"%texts
412         strDeclareSwitch += "           case 0x%04X: i = %d;%sbreak;\n"%(index, i, indexCallbacks[index])
413         for cat, idx_min, idx_max in categories:
414             if idx_min <= index <= idx_max:
415                 quick_index["lastIndex"][cat] = i
416                 if quick_index["firstIndex"][cat] == 0:
417                     quick_index["firstIndex"][cat] = i
418                 if cat == "PDO_TRS":
419                     maxPDOtransmit += 1
420     texts["maxPDOtransmit"] = max(1, maxPDOtransmit)
421     for index_cat in index_categories:
422         strQuickIndex += "\nconst quick_index %s_%s = {\n"%(texts["NodeName"], index_cat)
423         sep = ","
424         for i, (cat, idx_min, idx_max) in enumerate(categories):
425             if i == len(categories) - 1:
426                 sep = ""
427             strQuickIndex += "  %d%s /* %s */\n"%(quick_index[index_cat][cat],sep,cat)
428         strQuickIndex += "};\n"
429
430 #-------------------------------------------------------------------------------
431 #                            Write File Content
432 #-------------------------------------------------------------------------------
433
434     fileContent = generated_tag + """
435 #include "%s"
436 """%(headerfilepath)
437
438     fileContent += """
439 /**************************************************************************/
440 /* Declaration of mapped variables                                        */
441 /**************************************************************************/
442 """ + mappedVariableContent
443
444     fileContent += """
445 /**************************************************************************/
446 /* Declaration of value range types                                       */
447 /**************************************************************************/
448 """ + valueRangeContent
449
450     fileContent += """
451 /**************************************************************************/
452 /* The node id                                                            */
453 /**************************************************************************/
454 /* node_id default value.*/
455 UNS8 %(NodeName)s_bDeviceNodeId = 0x%(NodeID)02X;
456
457 /**************************************************************************/
458 /* Array of message processing information */
459
460 const UNS8 %(NodeName)s_iam_a_slave = %(iam_a_slave)d;
461
462 """%texts
463     if texts["heartBeatTimers_number"] > 0:
464         declaration = "TIMER_HANDLE %(NodeName)s_heartBeatTimers[%(heartBeatTimers_number)d]"%texts
465         initializer = "{TIMER_NONE" + ",TIMER_NONE" * (texts["heartBeatTimers_number"] - 1) + "}"
466         fileContent += declaration + " = " + initializer + ";\n"
467     else:
468         fileContent += "TIMER_HANDLE %(NodeName)s_heartBeatTimers[1];\n"%texts
469     
470     fileContent += """
471 /*
472 $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
473
474                                OBJECT DICTIONARY
475
476 $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
477 */
478 """%texts
479     contentlist = indexContents.keys()
480     contentlist.sort()
481     for index in contentlist:
482         fileContent += indexContents[index]
483
484     fileContent += """
485 /**************************************************************************/
486 /* Declaration of pointed variables                                       */
487 /**************************************************************************/
488 """ + pointedVariableContent
489
490     fileContent += """
491 const indextable %(NodeName)s_objdict[] = 
492 {
493 """%texts
494     fileContent += strDeclareIndex
495     fileContent += """};
496
497 const indextable * %(NodeName)s_scanIndexOD (UNS16 wIndex, UNS32 * errorCode, ODCallback_t **callbacks)
498 {
499         int i;
500         *callbacks = NULL;
501         switch(wIndex){
502 """%texts
503     fileContent += strDeclareSwitch
504     fileContent += """          default:
505                         *errorCode = OD_NO_SUCH_OBJECT;
506                         return NULL;
507         }
508         *errorCode = OD_SUCCESSFUL;
509         return &%(NodeName)s_objdict[i];
510 }
511
512 /* 
513  * To count at which received SYNC a PDO must be sent.
514  * Even if no pdoTransmit are defined, at least one entry is computed
515  * for compilations issues.
516  */
517 s_PDO_status %(NodeName)s_PDO_status[%(maxPDOtransmit)d] = {"""%texts
518
519     fileContent += ",".join(["s_PDO_status_Initializer"]*texts["maxPDOtransmit"]) + """};
520 """
521
522     fileContent += strQuickIndex
523     fileContent += """
524 const UNS16 %(NodeName)s_ObjdictSize = sizeof(%(NodeName)s_objdict)/sizeof(%(NodeName)s_objdict[0]); 
525
526 CO_Data %(NodeName)s_Data = CANOPEN_NODE_DATA_INITIALIZER(%(NodeName)s);
527
528 """%texts
529
530 #-------------------------------------------------------------------------------
531 #                          Write Header File Content
532 #-------------------------------------------------------------------------------
533
534     texts["file_include_name"] = headerfilepath.replace(".", "_").upper()
535     HeaderFileContent = generated_tag + """
536 #ifndef %(file_include_name)s
537 #define %(file_include_name)s
538
539 #include "data.h"
540
541 /* Prototypes of function provided by object dictionnary */
542 UNS32 %(NodeName)s_valueRangeTest (UNS8 typeValue, void * value);
543 const indextable * %(NodeName)s_scanIndexOD (UNS16 wIndex, UNS32 * errorCode, ODCallback_t **callbacks);
544
545 /* Master node data struct */
546 extern CO_Data %(NodeName)s_Data;
547 """%texts
548     HeaderFileContent += strDeclareHeader
549     
550     HeaderFileContent += "\n#endif // %(file_include_name)s\n"%texts
551     
552     return fileContent,HeaderFileContent
553
554 #-------------------------------------------------------------------------------
555 #                             Main Function
556 #-------------------------------------------------------------------------------
557
558 def GenerateFile(filepath, node, pointers_dict = {}):
559     try:
560         headerfilepath = os.path.splitext(filepath)[0]+".h"
561         content, header = GenerateFileContent(node, os.path.split(headerfilepath)[1], pointers_dict)
562         WriteFile(filepath, content)
563         WriteFile(headerfilepath, header)
564         return None
565     except ValueError, message:
566         return "Unable to Generate C File\n%s"%message
567