etisserant@58: #!/usr/bin/env python etisserant@58: # -*- coding: utf-8 -*- etisserant@58: etisserant@58: #This file is part of Beremiz, a Integrated Development Environment for etisserant@58: #programming IEC 61131-3 automates supporting plcopen standard and CanFestival. etisserant@58: # etisserant@58: #Copyright (C) 2007: Edouard TISSERANT and Laurent BESSARD etisserant@58: # etisserant@58: #See COPYING file for copyrights details. etisserant@58: # etisserant@58: #This library is free software; you can redistribute it and/or etisserant@58: #modify it under the terms of the GNU General Public etisserant@58: #License as published by the Free Software Foundation; either etisserant@58: #version 2.1 of the License, or (at your option) any later version. etisserant@58: # etisserant@58: #This library is distributed in the hope that it will be useful, etisserant@58: #but WITHOUT ANY WARRANTY; without even the implied warranty of etisserant@58: #MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU etisserant@58: #General Public License for more details. etisserant@58: # etisserant@58: #You should have received a copy of the GNU General Public etisserant@58: #License along with this library; if not, write to the Free Software etisserant@58: #Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA etisserant@58: etisserant@58: from types import * etisserant@58: etisserant@58: # Translation between IEC types and Can Open types etisserant@58: IECToCOType = {"BOOL":0x01, "SINT":0x02, "INT":0x03,"DINT":0x04,"LINT":0x10, etisserant@58: "USINT":0x05,"UINT":0x06,"UDINT":0x07,"ULINT":0x1B,"REAL":0x08, etisserant@58: "LREAL":0x11,"STRING":0x09,"BYTE":0x05,"WORD":0x06,"DWORD":0x07, etisserant@58: "LWORD":0x1B,"WSTRING":0x0B} etisserant@58: etisserant@58: # Constants for PDO types etisserant@58: RPDO = 1 etisserant@58: TPDO = 2 etisserant@58: etisserant@58: SlavePDOType = {"I" : TPDO, "Q" : RPDO} etisserant@58: InvertPDOType = {RPDO : TPDO, TPDO : RPDO} greg@340: PDOTypeBaseIndex = {RPDO : 0x1400, TPDO : 0x1800} greg@340: PDOTypeBaseCobId = {RPDO : 0x200, TPDO : 0x180} etisserant@58: etisserant@58: VariableIncrement = 0x100 etisserant@58: VariableStartIndex = {TPDO : 0x2000, RPDO : 0x4000} etisserant@58: VariableDirText = {TPDO : "__I", RPDO : "__Q"} etisserant@58: VariableTypeOffset = dict(zip(["","X","B","W","D","L"], range(6))) etisserant@58: etisserant@58: TrashVariables = [(1, 0x01), (8, 0x05), (16, 0x06), (32, 0x07), (64, 0x1B)] etisserant@58: greg@340: #------------------------------------------------------------------------------- greg@340: # Specific exception for PDO mapping errors greg@340: #------------------------------------------------------------------------------- greg@340: greg@340: class PDOmappingException(Exception): greg@340: pass greg@340: greg@340: etisserant@58: def LE_to_BE(value, size): etisserant@58: """ etisserant@58: Convert Little Endian to Big Endian etisserant@58: @param value: value expressed in integer etisserant@58: @param size: number of bytes generated etisserant@58: @return: a string containing the value converted etisserant@58: """ etisserant@58: etisserant@58: data = ("%" + str(size * 2) + "." + str(size * 2) + "X") % value etisserant@58: list_car = [data[i:i+2] for i in xrange(0, len(data), 2)] etisserant@58: list_car.reverse() etisserant@58: return "".join([chr(int(car, 16)) for car in list_car]) etisserant@58: etisserant@58: etisserant@58: def GetNodePDOIndexes(node, type, parameters = False): etisserant@58: """ etisserant@58: Find the PDO indexes of a node etisserant@58: @param node: node etisserant@58: @param type: type of PDO searched (RPDO or TPDO or both) etisserant@58: @param parameters: indicate which indexes are expected (PDO paramaters : True or PDO mappings : False) etisserant@58: @return: a list of indexes found etisserant@58: """ etisserant@58: etisserant@58: indexes = [] etisserant@58: if type & RPDO: etisserant@58: indexes.extend([idx for idx in node.GetIndexes() if 0x1400 <= idx <= 0x15FF]) etisserant@58: if type & TPDO: etisserant@58: indexes.extend([idx for idx in node.GetIndexes() if 0x1800 <= idx <= 0x19FF]) etisserant@58: if not parameters: etisserant@58: return [idx + 0x200 for idx in indexes] etisserant@58: else: etisserant@58: return indexes etisserant@58: etisserant@58: etisserant@58: def SearchNodePDOMapping(loc_infos, node): etisserant@58: """ etisserant@58: Find the PDO indexes of a node etisserant@58: @param node: node etisserant@58: @param type: type of PDO searched (RPDO or TPDO or both) etisserant@58: @param parameters: indicate which indexes are expected (PDO paramaters : True or PDO mappings : False) etisserant@58: @return: a list of indexes found etisserant@58: """ etisserant@58: lbessard@270: model = (loc_infos["index"] << 16) + (loc_infos["subindex"] << 8) etisserant@58: etisserant@58: for PDOidx in GetNodePDOIndexes(node, loc_infos["pdotype"]): etisserant@58: values = node.GetEntry(PDOidx) etisserant@58: if values != None: etisserant@58: for subindex, mapping in enumerate(values): lbessard@270: if subindex != 0 and mapping & 0xFFFFFF00 == model: etisserant@58: return PDOidx, subindex etisserant@58: return None etisserant@58: etisserant@58: etisserant@58: def GeneratePDOMappingDCF(idx, cobid, transmittype, pdomapping): etisserant@58: """ etisserant@58: Build concise DCF value for configuring a PDO etisserant@58: @param idx: index of PDO parameters etisserant@58: @param cobid: PDO generated COB ID etisserant@58: @param transmittype : PDO transmit type etisserant@58: @param pdomapping: list of PDO mappings etisserant@58: @return: a tuple of value and number of parameters to add to DCF etisserant@58: """ etisserant@58: Edouard@1278: dcfdata=[] etisserant@58: # Create entry for RPDO or TPDO parameters and Disable PDO Edouard@1278: # ---- INDEX ----- --- SUBINDEX ---- ----- SIZE ------ ------ DATA ------ Edouard@1278: dcfdata += [LE_to_BE(idx, 2) + LE_to_BE(0x01, 1) + LE_to_BE(0x04, 4) + LE_to_BE(0x80000000 + cobid, 4)] Edouard@1278: # Set Transmit type Edouard@1278: dcfdata += [LE_to_BE(idx, 2) + LE_to_BE(0x02, 1) + LE_to_BE(0x01, 4) + LE_to_BE(transmittype, 1)] greg@340: if len(pdomapping) > 0: Edouard@1278: # Disable Mapping Edouard@1278: dcfdata += [LE_to_BE(idx + 0x200, 2) + LE_to_BE(0x00, 1) + LE_to_BE(0x01, 4) + LE_to_BE(0x00, 1)] greg@340: # Map Variables greg@340: for subindex, (name, loc_infos) in enumerate(pdomapping): greg@340: value = (loc_infos["index"] << 16) + (loc_infos["subindex"] << 8) + loc_infos["size"] Edouard@1278: dcfdata += [LE_to_BE(idx + 0x200, 2) + LE_to_BE(subindex + 1, 1) + LE_to_BE(0x04, 4) + LE_to_BE(value, 4)] Edouard@1278: # Re-enable Mapping Edouard@1278: dcfdata += [LE_to_BE(idx + 0x200, 2) + LE_to_BE(0x00, 1) + LE_to_BE(0x01, 4) + LE_to_BE(len(pdomapping), 1)] Edouard@1278: # Re-Enable PDO Edouard@1278: dcfdata += [LE_to_BE(idx, 2) + LE_to_BE(0x01, 1) + LE_to_BE(0x04, 4) + LE_to_BE(cobid, 4)] Edouard@1278: return "".join(dcfdata), len(dcfdata) etisserant@58: etisserant@58: class ConciseDCFGenerator: etisserant@58: etisserant@58: def __init__(self, nodelist, nodename): etisserant@58: # Dictionary of location informations classed by name etisserant@58: self.IECLocations = {} etisserant@58: # Dictionary of location that have not been mapped yet etisserant@58: self.LocationsNotMapped = {} etisserant@58: # Dictionary of location informations classed by name etisserant@58: self.MasterMapping = {} etisserant@58: # List of COB IDs available etisserant@58: self.ListCobIDAvailable = range(0x180, 0x580) etisserant@58: # Dictionary of mapping value where unexpected variables are stored etisserant@58: self.TrashVariables = {} etisserant@163: # Dictionary of pointed variables etisserant@163: self.PointedVariables = {} etisserant@58: etisserant@58: self.NodeList = nodelist etisserant@58: self.Manager = self.NodeList.Manager etisserant@58: self.MasterNode = self.Manager.GetCurrentNodeCopy() etisserant@58: self.MasterNode.SetNodeName(nodename) etisserant@58: self.PrepareMasterNode() etisserant@58: etisserant@163: def GetPointedVariables(self): etisserant@163: return self.PointedVariables etisserant@58: etisserant@58: def RemoveUsedNodeCobId(self, node): etisserant@58: """ etisserant@58: Remove all PDO COB ID used by the given node from the list of available COB ID etisserant@58: @param node: node etisserant@58: @return: a tuple of number of RPDO and TPDO for the node etisserant@58: """ etisserant@58: etisserant@58: # Get list of all node TPDO and RPDO indexes etisserant@58: nodeRpdoIndexes = GetNodePDOIndexes(node, RPDO, True) etisserant@58: nodeTpdoIndexes = GetNodePDOIndexes(node, TPDO, True) etisserant@58: etisserant@58: # Mark all the COB ID of the node already mapped PDO as not available etisserant@58: for PdoIdx in nodeRpdoIndexes + nodeTpdoIndexes: etisserant@58: pdo_cobid = node.GetEntry(PdoIdx, 0x01) etisserant@58: # Extract COB ID, if PDO isn't active etisserant@58: if pdo_cobid > 0x600 : etisserant@58: pdo_cobid -= 0x80000000 etisserant@58: # Remove COB ID from the list of available COB ID etisserant@58: if pdo_cobid in self.ListCobIDAvailable: etisserant@58: self.ListCobIDAvailable.remove(pdo_cobid) etisserant@58: etisserant@58: return len(nodeRpdoIndexes), len(nodeTpdoIndexes) etisserant@58: etisserant@58: etisserant@58: def PrepareMasterNode(self): etisserant@58: """ etisserant@58: Add mandatory entries for DCF generation into MasterNode. etisserant@58: """ etisserant@58: etisserant@58: # Adding DCF entry into Master node etisserant@58: if not self.MasterNode.IsEntry(0x1F22): etisserant@58: self.MasterNode.AddEntry(0x1F22, 1, "") etisserant@58: self.Manager.AddSubentriesToCurrent(0x1F22, 127, self.MasterNode) etisserant@58: etisserant@58: # Adding trash mappable variables for unused mapped datas etisserant@58: idxTrashVariables = 0x2000 + self.MasterNode.GetNodeID() etisserant@58: # Add an entry for storing unexpected all variable etisserant@58: self.Manager.AddMapVariableToCurrent(idxTrashVariables, self.MasterNode.GetNodeName()+"_trashvariables", 3, len(TrashVariables), self.MasterNode) etisserant@58: for subidx, (size, typeidx) in enumerate(TrashVariables): etisserant@58: # Add a subentry for storing unexpected variable of this size etisserant@58: self.Manager.SetCurrentEntry(idxTrashVariables, subidx + 1, "TRASH%d" % size, "name", None, self.MasterNode) etisserant@58: self.Manager.SetCurrentEntry(idxTrashVariables, subidx + 1, typeidx, "type", None, self.MasterNode) etisserant@58: # Store the mapping value for this entry etisserant@58: self.TrashVariables[size] = (idxTrashVariables << 16) + ((subidx + 1) << 8) + size etisserant@58: etisserant@58: RPDOnumber, TPDOnumber = self.RemoveUsedNodeCobId(self.MasterNode) etisserant@58: etisserant@58: # Store the indexes of the first RPDO and TPDO available for MasterNode etisserant@58: self.CurrentPDOParamsIdx = {RPDO : 0x1400 + RPDOnumber, TPDO : 0x1800 + TPDOnumber} etisserant@58: etisserant@58: # Prepare MasterNode with all nodelist slaves etisserant@58: for idx, (nodeid, nodeinfos) in enumerate(self.NodeList.SlaveNodes.items()): etisserant@58: node = nodeinfos["Node"] etisserant@58: node.SetNodeID(nodeid) etisserant@58: etisserant@58: RPDOnumber, TPDOnumber = self.RemoveUsedNodeCobId(node) etisserant@58: etisserant@58: # Get Slave's default SDO server parameters etisserant@58: RSDO_cobid = node.GetEntry(0x1200,0x01) etisserant@58: if not RSDO_cobid: etisserant@58: RSDO_cobid = 0x600 + nodeid etisserant@58: TSDO_cobid = node.GetEntry(0x1200,0x02) etisserant@58: if not TSDO_cobid: etisserant@58: TSDO_cobid = 0x580 + nodeid etisserant@58: etisserant@58: # Configure Master's SDO parameters entries etisserant@58: self.Manager.ManageEntriesOfCurrent([0x1280 + idx], [], self.MasterNode) etisserant@58: self.MasterNode.SetEntry(0x1280 + idx, 0x01, RSDO_cobid) etisserant@58: self.MasterNode.SetEntry(0x1280 + idx, 0x02, TSDO_cobid) etisserant@58: self.MasterNode.SetEntry(0x1280 + idx, 0x03, nodeid) etisserant@58: etisserant@58: etisserant@58: def GetMasterNode(self): etisserant@58: """ etisserant@58: Return MasterNode. etisserant@58: """ etisserant@58: return self.MasterNode etisserant@58: etisserant@58: def AddParamsToDCF(self, nodeid, data, nbparams): etisserant@58: """ etisserant@155: Add entry to DCF, for the requested nodeID etisserant@58: @param nodeid: id of the slave (int) etisserant@58: @param data: data to add to slave DCF (string) etisserant@58: @param nbparams: number of params added to slave DCF (int) etisserant@58: """ etisserant@58: # Get current DCF for slave etisserant@58: nodeDCF = self.MasterNode.GetEntry(0x1F22, nodeid) etisserant@58: etisserant@58: # Extract data and number of params in current DCF etisserant@58: if nodeDCF != None and nodeDCF != '': etisserant@58: tmpnbparams = [i for i in nodeDCF[:4]] etisserant@58: tmpnbparams.reverse() etisserant@58: nbparams += int(''.join(["%2.2x"%ord(i) for i in tmpnbparams]), 16) etisserant@58: data = nodeDCF[4:] + data etisserant@58: etisserant@58: # Build new DCF etisserant@58: dcf = LE_to_BE(nbparams, 0x04) + data etisserant@58: # Set new DCF for slave etisserant@58: self.MasterNode.SetEntry(0x1F22, nodeid, dcf) etisserant@58: greg@340: def GetEmptyPDO(self, nodeid, pdotype, start_index=None): greg@340: """ greg@340: Search a not configured PDO for a slave greg@340: @param node: the slave node object greg@340: @param pdotype: type of PDO to generated (RPDO or TPDO) greg@340: @param start_index: Index where search must start (default: None) greg@340: @return tuple of PDO index, COB ID and number of subindex defined greg@340: """ greg@340: # If no start_index defined, start with PDOtype base index greg@340: if start_index is None: greg@340: index = PDOTypeBaseIndex[pdotype] greg@340: else: greg@340: index = start_index greg@340: greg@340: # Search for all PDO possible index until find a configurable PDO greg@340: # starting from start_index greg@340: while index < PDOTypeBaseIndex[pdotype] + 0x200: greg@340: values = self.NodeList.GetSlaveNodeEntry(nodeid, index + 0x200) greg@340: if values != None and values[0] > 0: greg@340: # Check that all subindex upper than 0 equal 0 => configurable PDO greg@340: if reduce(lambda x, y: x and y, map(lambda x: x == 0, values[1:]), True): greg@340: cobid = self.NodeList.GetSlaveNodeEntry(nodeid, index, 1) greg@340: # If no COB ID defined in PDO, generate a new one (not used) greg@340: if cobid == 0: greg@340: if len(self.ListCobIDAvailable) == 0: greg@340: return None greg@340: # Calculate COB ID from standard values greg@340: if index < PDOTypeBaseIndex[pdotype] + 4: greg@340: cobid = PDOTypeBaseCobId[pdotype] + 0x100 * (index - PDOTypeBaseIndex[pdotype]) + nodeid greg@340: if cobid not in self.ListCobIDAvailable: greg@340: cobid = self.ListCobIDAvailable.pop(0) greg@340: return index, cobid, values[0] greg@340: index += 1 greg@340: return None greg@340: greg@340: def AddPDOMapping(self, nodeid, pdotype, pdoindex, pdocobid, pdomapping, sync_TPDOs): etisserant@58: """ etisserant@155: Record a new mapping request for a slave, and add related slave config to the DCF etisserant@58: @param nodeid: id of the slave (int) etisserant@58: @param pdotype: type of PDO to generated (RPDO or TPDO) etisserant@58: @param pdomapping: list od variables to map with PDO etisserant@58: """ greg@340: # Add an entry to MasterMapping greg@340: self.MasterMapping[pdocobid] = {"type" : InvertPDOType[pdotype], greg@340: "mapping" : [None] + [(loc_infos["type"], name) for name, loc_infos in pdomapping]} greg@340: greg@340: # Return the data to add to DCF greg@340: if sync_TPDOs: greg@340: return GeneratePDOMappingDCF(pdoindex, pdocobid, 0x01, pdomapping) greg@340: else: greg@340: return GeneratePDOMappingDCF(pdoindex, pdocobid, 0xFF, pdomapping) etisserant@58: return 0, "" etisserant@58: etisserant@58: def GenerateDCF(self, locations, current_location, sync_TPDOs): etisserant@58: """ etisserant@58: Generate Concise DCF of MasterNode for the locations list given etisserant@58: @param locations: list of locations to be mapped etisserant@58: @param current_location: tuple of the located prefixes not to be considered etisserant@58: @param sync_TPDOs: indicate if TPDO must be synchronous etisserant@58: """ etisserant@58: etisserant@58: #------------------------------------------------------------------------------- etisserant@58: # Verify that locations correspond to real slave variables etisserant@58: #------------------------------------------------------------------------------- etisserant@58: etisserant@58: # Get list of locations check if exists and mappables -> put them in IECLocations etisserant@58: for location in locations: etisserant@58: COlocationtype = IECToCOType[location["IEC_TYPE"]] etisserant@58: name = location["NAME"] etisserant@58: if name in self.IECLocations: etisserant@58: if self.IECLocations[name]["type"] != COlocationtype: laurent@415: raise PDOmappingException, _("Type conflict for location \"%s\"") % name etisserant@58: else: etisserant@58: # Get only the part of the location that concern this node etisserant@58: loc = location["LOC"][len(current_location):] etisserant@58: # loc correspond to (ID, INDEX, SUBINDEX [,BIT]) etisserant@166: if len(loc) not in (2, 3, 4): laurent@361: raise PDOmappingException, _("Bad location size : %s") % str(loc) etisserant@166: elif len(loc) == 2: etisserant@166: continue etisserant@58: etisserant@58: direction = location["DIR"] etisserant@58: etisserant@58: sizelocation = location["SIZE"] etisserant@58: etisserant@58: # Extract and check nodeid etisserant@58: nodeid, index, subindex = loc[:3] etisserant@58: etisserant@58: # Check Id is in slave node list etisserant@58: if nodeid not in self.NodeList.SlaveNodes.keys(): laurent@361: raise PDOmappingException, _("Non existing node ID : %d (variable %s)") % (nodeid,name) etisserant@58: etisserant@58: # Get the model for this node (made from EDS) etisserant@58: node = self.NodeList.SlaveNodes[nodeid]["Node"] etisserant@58: etisserant@58: # Extract and check index and subindex etisserant@58: if not node.IsEntry(index, subindex): laurent@361: raise PDOmappingException, _("No such index/subindex (%x,%x) in ID : %d (variable %s)") % (index,subindex,nodeid,name) etisserant@58: etisserant@58: # Get the entry info etisserant@58: subentry_infos = node.GetSubentryInfos(index, subindex) etisserant@58: etisserant@58: # If a PDO mappable etisserant@58: if subentry_infos and subentry_infos["pdo"]: etisserant@58: if sizelocation == "X" and len(loc) > 3: lbessard@61: numbit = loc[3] etisserant@58: elif sizelocation != "X" and len(loc) > 3: laurent@361: raise PDOmappingException, _("Cannot set bit offset for non bool '%s' variable (ID:%d,Idx:%x,sIdx:%x))") % (name,nodeid,index,subindex) etisserant@58: else: etisserant@58: numbit = None etisserant@58: etisserant@166: if location["IEC_TYPE"] != "BOOL" and subentry_infos["type"] != COlocationtype: laurent@361: raise PDOmappingException, _("Invalid type \"%s\"-> %d != %d for location\"%s\"") % (location["IEC_TYPE"], COlocationtype, subentry_infos["type"] , name) etisserant@58: etisserant@58: typeinfos = node.GetEntryInfos(COlocationtype) etisserant@58: self.IECLocations[name] = {"type":COlocationtype, "pdotype":SlavePDOType[direction], etisserant@58: "nodeid": nodeid, "index": index,"subindex": subindex, etisserant@58: "bit": numbit, "size": typeinfos["size"], "sizelocation": sizelocation} etisserant@58: else: laurent@361: raise PDOmappingException, _("Not PDO mappable variable : '%s' (ID:%d,Idx:%x,sIdx:%x))") % (name,nodeid,index,subindex) etisserant@58: etisserant@58: #------------------------------------------------------------------------------- etisserant@58: # Search for locations already mapped etisserant@58: #------------------------------------------------------------------------------- etisserant@58: etisserant@58: for name, locationinfos in self.IECLocations.items(): etisserant@58: node = self.NodeList.SlaveNodes[locationinfos["nodeid"]]["Node"] etisserant@58: etisserant@58: # Search if slave has a PDO mapping this locations etisserant@58: result = SearchNodePDOMapping(locationinfos, node) etisserant@58: if result != None: etisserant@58: index, subindex = result etisserant@58: # Get COB ID of the PDO etisserant@58: cobid = self.NodeList.GetSlaveNodeEntry(locationinfos["nodeid"], index - 0x200, 1) etisserant@58: etisserant@58: # Add PDO to MasterMapping etisserant@58: if cobid not in self.MasterMapping.keys(): lbessard@80: # Verify that PDO transmit type is conform to sync_TPDOs lbessard@80: transmittype = self.NodeList.GetSlaveNodeEntry(locationinfos["nodeid"], index - 0x200, 2) lbessard@80: if sync_TPDOs and transmittype != 0x01 or transmittype != 0xFF: lbessard@80: if sync_TPDOs: lbessard@80: # Change TransmitType to SYNCHRONE lbessard@80: data, nbparams = GeneratePDOMappingDCF(index - 0x200, cobid, 0x01, []) lbessard@80: else: lbessard@80: # Change TransmitType to ASYCHRONE lbessard@80: data, nbparams = GeneratePDOMappingDCF(index - 0x200, cobid, 0xFF, []) lbessard@80: lbessard@80: # Add entry to slave dcf to change transmit type of lbessard@80: self.AddParamsToDCF(locationinfos["nodeid"], data, nbparams) lbessard@80: etisserant@58: mapping = [None] etisserant@58: values = node.GetEntry(index) etisserant@58: # Store the size of each entry mapped in PDO etisserant@58: for value in values[1:]: lbessard@78: if value != 0: lbessard@78: mapping.append(value % 0x100) etisserant@58: self.MasterMapping[cobid] = {"type" : InvertPDOType[locationinfos["pdotype"]], "mapping" : mapping} etisserant@58: etisserant@58: # Indicate that this PDO entry must be saved lbessard@270: if locationinfos["bit"] is not None: lbessard@270: if not isinstance(self.MasterMapping[cobid]["mapping"][subindex], ListType): lbessard@270: self.MasterMapping[cobid]["mapping"][subindex] = [1] * self.MasterMapping[cobid]["mapping"][subindex] lbessard@270: if locationinfos["bit"] < len(self.MasterMapping[cobid]["mapping"][subindex]): lbessard@270: self.MasterMapping[cobid]["mapping"][subindex][locationinfos["bit"]] = (locationinfos["type"], name) lbessard@270: else: lbessard@270: self.MasterMapping[cobid]["mapping"][subindex] = (locationinfos["type"], name) etisserant@58: etisserant@58: else: etisserant@58: # Add location to those that haven't been mapped yet etisserant@58: if locationinfos["nodeid"] not in self.LocationsNotMapped.keys(): etisserant@58: self.LocationsNotMapped[locationinfos["nodeid"]] = {TPDO : [], RPDO : []} etisserant@58: self.LocationsNotMapped[locationinfos["nodeid"]][locationinfos["pdotype"]].append((name, locationinfos)) etisserant@58: etisserant@58: #------------------------------------------------------------------------------- etisserant@58: # Build concise DCF for the others locations etisserant@58: #------------------------------------------------------------------------------- etisserant@58: etisserant@58: for nodeid, locations in self.LocationsNotMapped.items(): lbessard@61: node = self.NodeList.SlaveNodes[nodeid]["Node"] etisserant@58: etisserant@58: # Initialize number of params and data to add to node DCF etisserant@58: nbparams = 0 etisserant@58: dataparams = "" etisserant@58: etisserant@58: # Generate the best PDO mapping for each type of PDO etisserant@58: for pdotype in (TPDO, RPDO): greg@340: if len(locations[pdotype]) > 0: greg@340: pdosize = 0 greg@340: pdomapping = [] greg@340: result = self.GetEmptyPDO(nodeid, pdotype) greg@340: if result is None: laurent@415: raise PDOmappingException, _("Unable to define PDO mapping for node %02x") % nodeid greg@340: pdoindex, pdocobid, pdonbparams = result greg@340: for name, loc_infos in locations[pdotype]: greg@340: pdosize += loc_infos["size"] greg@340: # If pdo's size > 64 bits greg@340: if pdosize > 64 or len(pdomapping) >= pdonbparams: greg@340: # Generate a new PDO Mapping greg@340: data, nbaddedparams = self.AddPDOMapping(nodeid, pdotype, pdoindex, pdocobid, pdomapping, sync_TPDOs) greg@340: dataparams += data greg@340: nbparams += nbaddedparams greg@340: pdosize = loc_infos["size"] greg@340: pdomapping = [(name, loc_infos)] greg@340: result = self.GetEmptyPDO(nodeid, pdotype, pdoindex + 1) greg@340: if result is None: laurent@415: raise PDOmappingException, _("Unable to define PDO mapping for node %02x") % nodeid greg@340: pdoindex, pdocobid, pdonbparams = result greg@340: else: greg@340: pdomapping.append((name, loc_infos)) greg@340: # If there isn't locations yet but there is still a PDO to generate greg@340: if len(pdomapping) > 0: etisserant@58: # Generate a new PDO Mapping greg@340: data, nbaddedparams = self.AddPDOMapping(nodeid, pdotype, pdoindex, pdocobid, pdomapping, sync_TPDOs) etisserant@58: dataparams += data etisserant@58: nbparams += nbaddedparams greg@340: etisserant@58: # Add number of params and data to node DCF etisserant@58: self.AddParamsToDCF(nodeid, dataparams, nbparams) etisserant@58: etisserant@58: #------------------------------------------------------------------------------- etisserant@58: # Master Node Configuration etisserant@58: #------------------------------------------------------------------------------- etisserant@58: etisserant@58: # Generate Master's Configuration from informations stored in MasterMapping etisserant@58: for cobid, pdo_infos in self.MasterMapping.items(): etisserant@58: # Get next PDO index in MasterNode for this PDO type etisserant@58: current_idx = self.CurrentPDOParamsIdx[pdo_infos["type"]] etisserant@58: etisserant@58: # Search if there is already a PDO in MasterNode with this cob id etisserant@58: for idx in GetNodePDOIndexes(self.MasterNode, pdo_infos["type"], True): etisserant@58: if self.MasterNode.GetEntry(idx, 1) == cobid: etisserant@58: current_idx = idx etisserant@58: etisserant@58: # Add a PDO to MasterNode if not PDO have been found etisserant@58: if current_idx == self.CurrentPDOParamsIdx[pdo_infos["type"]]: etisserant@58: addinglist = [current_idx, current_idx + 0x200] etisserant@58: self.Manager.ManageEntriesOfCurrent(addinglist, [], self.MasterNode) etisserant@58: self.MasterNode.SetEntry(current_idx, 0x01, cobid) etisserant@58: etisserant@58: # Increment the number of PDO for this PDO type etisserant@58: self.CurrentPDOParamsIdx[pdo_infos["type"]] += 1 etisserant@58: etisserant@58: # Change the transmit type of the PDO etisserant@58: if sync_TPDOs: etisserant@58: self.MasterNode.SetEntry(current_idx, 0x02, 0x01) etisserant@58: else: etisserant@58: self.MasterNode.SetEntry(current_idx, 0x02, 0xFF) etisserant@58: lbessard@270: mapping = [] lbessard@270: for item in pdo_infos["mapping"]: lbessard@270: if isinstance(item, ListType): lbessard@270: mapping.extend(item) lbessard@270: else: lbessard@270: mapping.append(item) lbessard@270: etisserant@58: # Add some subentries to PDO mapping if there is not enough lbessard@270: if len(mapping) > 1: lbessard@270: self.Manager.AddSubentriesToCurrent(current_idx + 0x200, len(mapping) - 1, self.MasterNode) etisserant@58: etisserant@58: # Generate MasterNode's PDO mapping lbessard@270: for subindex, variable in enumerate(mapping): etisserant@58: if subindex == 0: etisserant@58: continue etisserant@58: new_index = False etisserant@58: lbessard@225: if isinstance(variable, (IntType, LongType)): etisserant@58: # If variable is an integer then variable is unexpected etisserant@58: self.MasterNode.SetEntry(current_idx + 0x200, subindex, self.TrashVariables[variable]) etisserant@58: else: etisserant@58: typeidx, varname = variable etisserant@58: variable_infos = self.IECLocations[varname] etisserant@58: etisserant@58: # Calculate base index for storing variable etisserant@58: mapvariableidx = VariableStartIndex[variable_infos["pdotype"]] + \ etisserant@58: VariableTypeOffset[variable_infos["sizelocation"]] * VariableIncrement + \ etisserant@58: variable_infos["nodeid"] etisserant@58: etisserant@163: # Generate entry name etisserant@163: indexname = "%s%s%s_%d"%(VariableDirText[variable_infos["pdotype"]], etisserant@163: variable_infos["sizelocation"], etisserant@163: '_'.join(map(str,current_location)), etisserant@163: variable_infos["nodeid"]) etisserant@163: etisserant@58: # Search for an entry that has an empty subindex etisserant@58: while mapvariableidx < VariableStartIndex[variable_infos["pdotype"]] + 0x2000: etisserant@58: # Entry doesn't exist etisserant@58: if not self.MasterNode.IsEntry(mapvariableidx): etisserant@58: # Add entry to MasterNode etisserant@163: self.Manager.AddMapVariableToCurrent(mapvariableidx, "beremiz"+indexname, 3, 1, self.MasterNode) etisserant@58: new_index = True etisserant@58: nbsubentries = self.MasterNode.GetEntry(mapvariableidx, 0x00) etisserant@58: else: etisserant@58: # Get Number of subentries already defined etisserant@58: nbsubentries = self.MasterNode.GetEntry(mapvariableidx, 0x00) etisserant@58: # if entry is full, go to next entry possible or stop now etisserant@58: if nbsubentries == 0xFF: etisserant@58: mapvariableidx += 8 * VariableIncrement etisserant@58: else: etisserant@58: break etisserant@58: etisserant@58: # Verify that a not full entry has been found etisserant@58: if mapvariableidx < VariableStartIndex[variable_infos["pdotype"]] + 0x2000: etisserant@58: # Generate subentry name etisserant@58: if variable_infos["bit"] != None: etisserant@58: subindexname = "%(index)d_%(subindex)d_%(bit)d"%variable_infos etisserant@58: else: etisserant@58: subindexname = "%(index)d_%(subindex)d"%variable_infos etisserant@58: # If entry have just been created, no subentry have to be added etisserant@58: if not new_index: etisserant@58: self.Manager.AddSubentriesToCurrent(mapvariableidx, 1, self.MasterNode) etisserant@58: nbsubentries += 1 etisserant@58: # Add informations to the new subentry created etisserant@58: self.MasterNode.SetMappingEntry(mapvariableidx, nbsubentries, values = {"name" : subindexname}) etisserant@58: self.MasterNode.SetMappingEntry(mapvariableidx, nbsubentries, values = {"type" : typeidx}) etisserant@58: etisserant@58: # Set value of the PDO mapping etisserant@58: typeinfos = self.Manager.GetEntryInfos(typeidx) etisserant@58: if typeinfos != None: etisserant@58: value = (mapvariableidx << 16) + ((nbsubentries) << 8) + typeinfos["size"] etisserant@58: self.MasterNode.SetEntry(current_idx + 0x200, subindex, value) etisserant@163: etisserant@163: # Add variable to pointed variables etisserant@163: self.PointedVariables[(mapvariableidx, nbsubentries)] = "%s_%s"%(indexname, subindexname) etisserant@58: etisserant@58: def GenerateConciseDCF(locations, current_location, nodelist, sync_TPDOs, nodename): etisserant@58: """ etisserant@58: Fills a CanFestival network editor model, with DCF with requested PDO mappings. etisserant@58: @param locations: List of complete variables locations \ etisserant@58: [{"IEC_TYPE" : the IEC type (i.e. "INT", "STRING", ...) etisserant@58: "NAME" : name of the variable (generally "__IW0_1_2" style) etisserant@58: "DIR" : direction "Q","I" or "M" etisserant@58: "SIZE" : size "X", "B", "W", "D", "L" etisserant@58: "LOC" : tuple of interger for IEC location (0,1,2,...) etisserant@58: }, ...] etisserant@58: @param nodelist: CanFestival network editor model etisserant@58: @return: a modified copy of the given CanFestival network editor model etisserant@58: """ etisserant@58: etisserant@58: dcfgenerator = ConciseDCFGenerator(nodelist, nodename) etisserant@58: dcfgenerator.GenerateDCF(locations, current_location, sync_TPDOs) etisserant@307: masternode,pointers = dcfgenerator.GetMasterNode(), dcfgenerator.GetPointedVariables() etisserant@307: # allow access to local OD from Master PLC etisserant@307: pointers.update(LocalODPointers(locations, current_location, masternode)) etisserant@307: return masternode,pointers etisserant@58: etisserant@166: def LocalODPointers(locations, current_location, slave): etisserant@166: IECLocations = {} etisserant@166: pointers = {} etisserant@166: for location in locations: etisserant@166: COlocationtype = IECToCOType[location["IEC_TYPE"]] etisserant@166: name = location["NAME"] etisserant@166: if name in IECLocations: etisserant@166: if IECLocations[name] != COlocationtype: laurent@415: raise PDOmappingException, _("Type conflict for location \"%s\"") % name etisserant@166: else: etisserant@166: # Get only the part of the location that concern this node etisserant@166: loc = location["LOC"][len(current_location):] etisserant@166: # loc correspond to (ID, INDEX, SUBINDEX [,BIT]) etisserant@166: if len(loc) not in (2, 3, 4): laurent@361: raise PDOmappingException, _("Bad location size : %s") % str(loc) etisserant@166: elif len(loc) != 2: etisserant@166: continue etisserant@166: etisserant@166: # Extract and check nodeid etisserant@166: index, subindex = loc[:2] etisserant@166: etisserant@166: # Extract and check index and subindex etisserant@166: if not slave.IsEntry(index, subindex): laurent@361: raise PDOmappingException, _("No such index/subindex (%x,%x) (variable %s)") % (index, subindex, name) etisserant@166: etisserant@166: # Get the entry info etisserant@166: subentry_infos = slave.GetSubentryInfos(index, subindex) etisserant@166: if subentry_infos["type"] != COlocationtype: laurent@361: raise PDOmappingException, _("Invalid type \"%s\"-> %d != %d for location\"%s\"") % (location["IEC_TYPE"], COlocationtype, subentry_infos["type"] , name) etisserant@166: etisserant@166: IECLocations[name] = COlocationtype etisserant@166: pointers[(index, subindex)] = name etisserant@166: return pointers etisserant@166: etisserant@58: if __name__ == "__main__": etisserant@58: import os, sys, getopt etisserant@58: etisserant@58: def usage(): etisserant@58: print """ etisserant@58: Usage of config_utils.py test : etisserant@58: etisserant@58: %s [options] etisserant@58: etisserant@58: Options: etisserant@58: --help (-h) etisserant@58: Displays help informations for config_utils etisserant@58: etisserant@58: --reset (-r) etisserant@58: Reset the reference result of config_utils test. etisserant@58: Use with caution. Be sure that config_utils etisserant@58: is currently working properly. etisserant@58: """%sys.argv[0] etisserant@58: etisserant@58: # Boolean that indicate if reference result must be redefined etisserant@58: reset = False etisserant@58: etisserant@58: # Extract command options etisserant@58: try: etisserant@58: opts, args = getopt.getopt(sys.argv[1:], "hr", ["help","reset"]) etisserant@58: except getopt.GetoptError: etisserant@58: # print help information and exit: etisserant@58: usage() etisserant@58: sys.exit(2) etisserant@58: etisserant@58: # Test each option etisserant@58: for o, a in opts: etisserant@58: if o in ("-h", "--help"): etisserant@58: usage() etisserant@58: sys.exit() etisserant@58: elif o in ("-r", "--reset"): etisserant@58: reset = True etisserant@58: etisserant@58: # Extract workspace base folder etisserant@58: base_folder = sys.path[0] etisserant@58: for i in xrange(3): etisserant@58: base_folder = os.path.split(base_folder)[0] etisserant@58: # Add CanFestival folder to search pathes etisserant@58: sys.path.append(os.path.join(base_folder, "CanFestival-3", "objdictgen")) etisserant@58: etisserant@58: from nodemanager import * etisserant@58: from nodelist import * etisserant@58: etisserant@58: # Open the test nodelist contained into test_config folder etisserant@58: manager = NodeManager() etisserant@58: nodelist = NodeList(manager) etisserant@58: result = nodelist.LoadProject("test_config") etisserant@58: etisserant@58: # List of locations, we try to map for test etisserant@58: locations = [{"IEC_TYPE":"BYTE","NAME":"__IB0_1_64_24576_1","DIR":"I","SIZE":"B","LOC":(0,1,64,24576,1)}, etisserant@58: {"IEC_TYPE":"INT","NAME":"__IW0_1_64_25601_2","DIR":"I","SIZE":"W","LOC":(0,1,64,25601,2)}, etisserant@58: {"IEC_TYPE":"INT","NAME":"__IW0_1_64_25601_3","DIR":"I","SIZE":"W","LOC":(0,1,64,25601,3)}, etisserant@58: {"IEC_TYPE":"INT","NAME":"__QW0_1_64_25617_2","DIR":"Q","SIZE":"W","LOC":(0,1,64,25617,1)}, etisserant@58: {"IEC_TYPE":"BYTE","NAME":"__IB0_1_64_24578_1","DIR":"I","SIZE":"B","LOC":(0,1,64,24578,1)}, etisserant@58: {"IEC_TYPE":"UDINT","NAME":"__ID0_1_64_25638_1","DIR":"I","SIZE":"D","LOC":(0,1,64,25638,1)}, etisserant@58: {"IEC_TYPE":"UDINT","NAME":"__ID0_1_64_25638_2","DIR":"I","SIZE":"D","LOC":(0,1,64,25638,2)}, etisserant@58: {"IEC_TYPE":"UDINT","NAME":"__ID0_1_64_25638_3","DIR":"I","SIZE":"D","LOC":(0,1,64,25638,3)}, etisserant@307: {"IEC_TYPE":"UDINT","NAME":"__ID0_1_64_25638_4","DIR":"I","SIZE":"D","LOC":(0,1,64,25638,4)}, etisserant@307: {"IEC_TYPE":"UDINT","NAME":"__ID0_1_4096_0","DIR":"I","SIZE":"D","LOC":(0,1,4096,0)}] etisserant@58: etisserant@58: # Generate MasterNode configuration etisserant@58: try: etisserant@307: masternode, pointedvariables = GenerateConciseDCF(locations, (0, 1), nodelist, True, "TestNode") etisserant@58: except ValueError, message: etisserant@58: print "%s\nTest Failed!"%message etisserant@58: sys.exit() etisserant@58: etisserant@307: import pprint etisserant@58: # Get Text corresponding to MasterNode etisserant@307: result_node = masternode.PrintString() etisserant@307: result_vars = pprint.pformat(pointedvariables) etisserant@307: result = result_node + "\n********POINTERS*********\n" + result_vars + "\n" etisserant@58: etisserant@58: # If reset has been choosen etisserant@58: if reset: etisserant@58: # Write Text into reference result file etisserant@307: testfile = open("test_config/result.txt", "w") etisserant@307: testfile.write(result) etisserant@307: testfile.close() etisserant@58: etisserant@58: print "Reset Successful!" etisserant@58: else: etisserant@150: import os etisserant@150: etisserant@307: testfile = open("test_config/result_tmp.txt", "w") etisserant@307: testfile.write(result) etisserant@307: testfile.close() etisserant@58: etisserant@150: os.system("diff test_config/result.txt test_config/result_tmp.txt") etisserant@150: os.remove("test_config/result_tmp.txt")