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:
etisserant@58: # Create entry for RPDO or TPDO parameters and Disable PDO
greg@340: dcfdata = LE_to_BE(idx, 2) + LE_to_BE(0x01, 1) + LE_to_BE(0x04, 4) + LE_to_BE(0x80000000 + cobid, 4)
etisserant@58: # Set Transmit type synchrone
etisserant@58: dcfdata += LE_to_BE(idx, 2) + LE_to_BE(0x02, 1) + LE_to_BE(0x01, 4) + LE_to_BE(transmittype, 1)
etisserant@58: # Re-Enable PDO
etisserant@58: # ---- INDEX ----- --- SUBINDEX ---- ----- SIZE ------ ------ DATA ------
greg@340: dcfdata += LE_to_BE(idx, 2) + LE_to_BE(0x01, 1) + LE_to_BE(0x04, 4) + LE_to_BE(cobid, 4)
etisserant@58: nbparams = 3
greg@340: if len(pdomapping) > 0:
greg@340: dcfdata += LE_to_BE(idx + 0x200, 2) + LE_to_BE(0x00, 1) + LE_to_BE(0x01, 4) + LE_to_BE(len(pdomapping), 1)
etisserant@58: nbparams += 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"]
greg@340: dcfdata += LE_to_BE(idx + 0x200, 2) + LE_to_BE(subindex + 1, 1) + LE_to_BE(0x04, 4) + LE_to_BE(value, 4)
greg@340: nbparams += 1
etisserant@58: return dcfdata, nbparams
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@361: raise PDOmappingException, _("Conflict type 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@361: raise PDOmappingException, _("Impossible 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@361: raise PDOmappingException, _("Impossible 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@361: raise PDOmappingException, _("Conflict type 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")