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# -*- coding: utf-8 -*-
#
# AWL simulator - CPU core configuration
#
# Copyright 2012-2017 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.
#
from __future__ import division, absolute_import, print_function, unicode_literals
from awlsim.common.compat import *
from awlsim.common.enumeration import *
from awlsim.common.exceptions import *
__all__ = [ "S7CPUConfig", ]
class S7CPUConfig(object):
"""STEP 7 CPU core configuration"""
# Mnemonic identifiers
# Note: These numbers are .awlpro file ABI.
EnumGen.start
MNEMONICS_AUTO = EnumGen.item
MNEMONICS_EN = EnumGen.item
MNEMONICS_DE = EnumGen.item
EnumGen.end
DEFAULT_MNEMONICS = MNEMONICS_AUTO
DEFAULT_CLOCKMEM = -1
def __init__(self, cpu=None):
self.cpu = None
self.setConfiguredMnemonics(self.DEFAULT_MNEMONICS)
self.setClockMemByte(self.DEFAULT_CLOCKMEM)
self.cpu = cpu
def assignFrom(self, otherCpuConfig):
self.setConfiguredMnemonics(otherCpuConfig.getConfiguredMnemonics())
self.setClockMemByte(otherCpuConfig.clockMemByte)
def setConfiguredMnemonics(self, mnemonics):
if mnemonics not in (self.MNEMONICS_AUTO,
self.MNEMONICS_EN,
self.MNEMONICS_DE):
raise AwlSimError("Invalid mnemonics configuration: %d" % mnemonics)
self.__configuredMnemonics = mnemonics
self.setDetectedMnemonics(self.MNEMONICS_AUTO)
def setDetectedMnemonics(self, mnemonics):
self.__detectedMnemonics = mnemonics
def getConfiguredMnemonics(self):
return self.__configuredMnemonics
def getMnemonics(self):
if self.__configuredMnemonics == self.MNEMONICS_AUTO:
return self.__detectedMnemonics
return self.__configuredMnemonics
def setClockMemByte(self, byteAddress):
self.clockMemByte = byteAddress
if self.cpu:
self.cpu.initClockMemState()
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