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#!/usr/bin/env python2
# Copyright (c) 2013, Eduard Broecker
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without modification, are permitted provided that
# the following conditions are met:
#
# Redistributions of source code must retain the above copyright notice, this list of conditions and the
# following disclaimer.
# Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the
# following disclaimer in the documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED
# WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
# PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY
# DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
# DAMAGE.
import math
from struct import *
import zipfile
import sys
sys.path.append('..')
import canmatrix.formats
import os
import glob
import string
def genString(string):
retStr = "%c" % len(string)
retStr += string
return retStr
def genZeros(count):
retStr = ""
for i in range(count):
retStr += "\x00"
return retStr
def genSimulatonFile(nodes):
# header
retStr = "ff\xA6\x3F"
retStr += genString("RBEI_FRAME")
retStr += genString("CAN")
retStr += genString("1.8.0")
# count of nodes:
retStr += "%c" % len(nodes)
retStr += genZeros(4)
# each node
for (nodename, source) in list(nodes.items()):
retStr += genString(source).encode('ascii')
retStr += genString(nodename).encode('ascii')
retStr += genZeros(10)
# checksum
temp = 0
for c in retStr:
ibyte = unpack('B', c)
temp = (temp ^ ibyte[0])
retStr = retStr[:-1] + "%c" % temp
return retStr
def createNode(structNames, timedPrototypes, timedCallbacks):
nodetemplate = """
/* This file is generated by BUSMASTER */
/* VERSION [1.1] */
/* BUSMASTER VERSION [1.8.0] */
/* PROTOCOL [CAN] */
/* Start BUSMASTER include header */
#include <Windows.h>
#include <CANIncludes.h>
/* End BUSMASTER include header */
/* Start BUSMASTER global variable */
"""
nodetemplate2 = """
/* End BUSMASTER global variable */
/* Start BUSMASTER Function Prototype */
"""
return nodetemplate + structNames + nodetemplate2 + timedPrototypes + \
"/* End BUSMASTER Function Prototype */\n" + timedCallbacks
def genCallbacks(cycle, bId, db):
botsch = db.frames.byId(bId).name
callbacks = "/* Start BUSMASTER generated function - OnTimer_" + \
botsch + "_" + str(cycle) + " */\n"
callbacks += "void OnTimer_" + botsch + "_" + str(cycle) + "( )\n"
callbacks += "{\n"
canData = db.frames.byId(bId).attributes["GenMsgStartValue"][1:-2]
dlc = math.floor(len(canData) / 2)
callbacks += " SendMsg(" + botsch + ");\n"
callbacks += "\n} "
callbacks += "/* End BUSMASTER generated function - OnTimer_" + \
botsch + "_" + str(cycle) + " */\n\n"
prototype = "GCC_EXTERN void GCC_EXPORT OnTimer_" + \
botsch + "_" + str(cycle) + "( );\n"
structNames = "STCAN_MSG " + botsch + \
" = { " + hex(bId) + ", 0, 0, " + \
str(math.floor(len(canData) / 2)) + ", 1,"
for i in range(dlc):
structNames += " 0x" + canData[i * 2:i * 2 + 2]
if i < dlc - 1:
structNames += ", "
exports = "OnTimer_" + botsch + "_" + str(cycle) + "\n"
structNames += "};\n"
return structNames, prototype, callbacks, exports
exportTemplate = """EXPORTS
vSetEnableLoggingProcAddress
vSetDisableLoggingProcAddress
vSetWriteToLogFileProcAddress
vSetConnectProcAddress
vSetDisconnectProcAddress
vSetGoOnlineProcAddress
vSetGoOfflineProcAddress
vSetStartTimerProcAddress
vSetStopTimerProcAddress
vSetSetTimerValProcAddress
vSetEnableMsgHandlersProcAddress
vSetEnableErrorHandlersProcAddress
vSetEnableKeyHandlersProcAddress
vSetEnableDisableMsgTxProcAddress
vSetSendMsgProcAddress
vSetGetDllHandleProcAddress
vSetTraceProcAddress
vSetResetControllerProcAddress
bGetProgramVersion
vSetKeyPressed
vSetGetMessageName
vSetTimeNow
vSetGetFirstCANdbName
"""
def ticker_ecus(db, dbcname):
nodeList = {}
zf = zipfile.ZipFile(dbcname + '_Simulation.zip',
mode='w',
compression=zipfile.ZIP_DEFLATED,
)
MyBuList = []
for bu in db.ecus:
if bu.name not in MyBuList:
MyBuList.append(bu.name) # no duplicate Nodes
else:
continue
bu._cycles = {}
for frame in db.frames:
if bu.name in frame.transmitters:
if frame.effective_cycle_time != 0 and "GenMsgStartValue" in frame.attributes:
data = frame.attributes["GenMsgStartValue"][1:-2]
dlc = (math.floor(len(data) / 2))
cycleTime = frame.effective_cycle_time
if float(cycleTime) > 0:
if cycleTime in bu._cycles:
bu._cycles[cycleTime].append(frame.arbitration_id.id)
else:
bu._cycles[cycleTime] = [frame.arbitration_id.id]
nodeList[bu.name] = bu.name + ".cpp"
timedPrototypes = ""
timedCallbacks = ""
structNames = ""
exports = ""
for cycle in bu._cycles:
for frame in bu._cycles[cycle]:
(tempstructNames, tempPrototypes, tempCallbacks,
tempExports) = genCallbacks(cycle, frame, db)
structNames += tempstructNames
timedPrototypes += tempPrototypes
timedCallbacks += tempCallbacks
exports += tempExports
nodeString = createNode(structNames, timedPrototypes, timedCallbacks)
zf.writestr(bu.name + ".cpp", nodeString)
zf.writestr(bu.name + ".def", exportTemplate + exports)
zf.writestr(dbcname + '.sim', genSimulatonFile(nodeList))
zf.close()
def main():
if len(sys.argv) < 3:
sys.stderr.write('Usage: sys.argv[0] import-file export-file\n')
sys.stderr.write('import-file: *.dbc|*.dbf|*.kcd\n')
sys.stderr.write('export-file: somefile.zip\n')
sys.exit(1)
infile = sys.argv[1]
outfile = os.path.splitext(sys.argv[2])[0]
db = next(iter(canmatrix.formats.loadp(infile).values()))
ticker_ecus(db, outfile)
main()
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