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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
#
# AWL simulator - Commandline interface
#
# Copyright 2012-2013 Michael Buesch <m@bues.ch>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#
import sys
import getopt
import traceback
from awlsim import *
opt_onecycle = False
opt_quiet = False
def usage():
printInfo("awlsim version %d.%d" % (VERSION_MAJOR, VERSION_MINOR))
printInfo("")
printInfo("%s [OPTIONS] AWL-source" % sys.argv[0])
printInfo("")
printInfo("Options:")
printInfo(" -1|--onecycle Only run one cycle")
printInfo(" -4|--fouraccu Enable 4-accu mode")
printInfo(" -D|--no-cpu-dump Do not show CPU status while running")
printInfo(" -q|--quiet Do not show any status messages")
printInfo(" -x|--extended-insns Enable extended instructions")
printInfo(" -t|--obtemp 1/0 Enable/disable writing of OB-temp variables (Default: off)")
printInfo(" -r|--rng 1/0 Enable/disable the RNG (Default: off)")
printInfo(" -m|--mnemonics auto Mnemonics type: en, de, auto (default)")
printInfo(" -P|--profile 0 Set profiling level (Default: 0)")
printInfo("")
printInfo("Loading hardware modules:")
printInfo(" -H|--hardware NAME:PARAM=VAL:PARAM=VAL...")
printInfo("Print module information:")
printInfo(" -I|--hardware-info NAME")
printInfo("")
printInfo(" Where NAME is the name of the hardware module.")
printInfo(" PARAM=VAL are optional hardware specific parameters.")
def writeStdout(message):
if not opt_quiet:
sys.stdout.write(message)
sys.stdout.flush()
nextScreenUpdate = 0.0
lastDump = ""
def cpuDumpCallback(cpu):
global nextScreenUpdate
if cpu.now < nextScreenUpdate and\
not opt_onecycle:
return
nextScreenUpdate = cpu.now + 0.1
# Dump CPU and pad lines
dump = '\n'.join(line + (79 - len(line)) * ' ' + '|'
for line in str(cpu).splitlines())
global lastDump
lastDump = dump
writeStdout("\x1B[H" + dump)
def main():
global opt_onecycle
global opt_quiet
opt_noCpuDump = False
opt_fouraccu = False
opt_extInsns = False
opt_obtemp = False
opt_rng = False
opt_mnemonics = "auto"
opt_hwmods = []
opt_hwinfos = []
opt_profile = 0
try:
(opts, args) = getopt.getopt(sys.argv[1:],
"h1qDxt:r:m:H:I:P:",
[ "help", "onecycle", "quiet", "no-cpu-dump", "extended-insns",
"obtemp=", "rng=", "mnemonics=",
"hardware=", "hardware-info=", "profile=", ])
except getopt.GetoptError as e:
printError(str(e))
usage()
return 1
for (o, v) in opts:
if o in ("-h", "--help"):
usage()
return 0
if o in ("-1", "--onecycle"):
opt_onecycle = True
if o in ("-4", "--fouraccu"):
opt_fouraccu = True
if o in ("-q", "--quiet"):
opt_quiet = True
if o in ("-D", "--no-cpu-dump"):
opt_noCpuDump = True
if o in ("-x", "--extended-insns"):
opt_extInsns = True
if o in ("-t", "--obtemp"):
opt_obtemp = str2bool(v)
if o in ("-r", "--rng"):
opt_rng = str2bool(v)
if o in ("-m", "--mnemonics"):
opt_mnemonics = v.lower()
if opt_mnemonics not in ("en", "de", "auto"):
printError("-m|--mnemonics: Invalid mnemonics type")
sys.exit(1)
if o in ("-H", "--hardware"):
try:
v = v.split(':')
if not v:
raise ValueError
name = v[0]
params = {}
for pstr in v[1:]:
if not pstr:
continue
i = pstr.find('=')
if i < 0:
raise ValueError
pname = pstr[:i]
pval = pstr[i+1:]
if not pname or not pval:
raise ValueError
params[pname] = pval
opt_hwmods.append( (name, params) )
except (ValueError, IndexError) as e:
printError("-H|--hardware: Invalid module name or parameters")
sys.exit(1)
if o in ("-I", "--hardware-info"):
opt_hwinfos.append(v.split(':')[0])
if o in ("-P", "--profile"):
try:
opt_profile = int(v)
except ValueError:
printError("-P|--profile: Invalid profile level")
if len(args) != 1 and not opt_hwinfos:
usage()
return 1
if args:
awlSource = args[0]
opt_mnemonics = {
"en" : S7CPUSpecs.MNEMONICS_EN,
"de" : S7CPUSpecs.MNEMONICS_DE,
"auto" : S7CPUSpecs.MNEMONICS_AUTO,
}[opt_mnemonics]
s = None
try:
if opt_hwinfos:
# Just print the hardware-infos and exit.
for name in opt_hwinfos:
cls = AwlSim.loadHardwareModule(name)
printInfo(cls.getModuleInfo())
return 0
if awlsim_useCython:
writeStdout("*** Using accelerated CYTHON core "
"(AWLSIMCYTHON environment variable is set)\n")
writeStdout("Parsing code...\n")
p = AwlParser()
p.parseFile(awlSource)
writeStdout("Initializing simulator...\n")
s = AwlSim(profileLevel = opt_profile)
# Load hardware modules
for name, parameters in opt_hwmods:
writeStdout("Loading hardware module '%s'...\n" % name)
hwClass = s.loadHardwareModule(name)
s.registerHardwareClass(hwClass = hwClass,
parameters = parameters)
cpu = s.getCPU()
specs = cpu.getSpecs()
specs.setConfiguredMnemonics(opt_mnemonics)
specs.setNrAccus(4 if opt_fouraccu else 2)
cpu.enableObTempPresets(opt_obtemp)
cpu.enableRNG(opt_rng)
cpu.enableExtendedInsns(opt_extInsns)
if not opt_noCpuDump and not opt_quiet:
cpu.setBlockExitCallback(cpuDumpCallback, cpu)
writeStdout("Initializing CPU...\n")
s.load(p.getParseTree())
writeStdout("[Initialization finished - CPU is executing user code]\n")
try:
if not opt_noCpuDump:
writeStdout("\x1B[?25l\x1B[2J")
while 1:
s.runCycle()
if opt_onecycle:
break
finally:
if not opt_noCpuDump and not opt_quiet:
writeStdout("\x1B[?25h\x1B[2J\x1B[H")
writeStdout(lastDump + '\n')
except (AwlParserError, AwlSimError) as e:
printError(e.getReport())
return 1
except KeyboardInterrupt as e:
pass
finally:
if s:
ps = s.getProfileStats()
if ps:
writeStdout("\n\nProfile stats (level %d) follow:\n" %\
opt_profile)
writeStdout(ps)
writeStdout("\n")
s.shutdown()
return 0
if __name__ == "__main__":
sys.exit(main())
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