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# -*- coding: utf-8 -*-
#
# AWL simulator - IEC library - FC 9 "EQ_DT"
#
# Copyright 2014 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.cython_support cimport * #@cy
from awlsim.common.compat import *
from awlsim.library.libentry import *
class Lib__IEC__FC9_EQ_DT(AwlLibFC):
libraryName = "IEC"
staticIndex = 9
symbolName = "EQ_DT"
description = "Compare two DATE_AND_TIME for equality"
interfaceFields = {
BlockInterfaceField.FTYPE_IN : (
BlockInterfaceField(name="DT1", dataType="DATE_AND_TIME"),
BlockInterfaceField(name="DT2", dataType="DATE_AND_TIME"),
),
BlockInterfaceField.FTYPE_OUT : (
BlockInterfaceField(name="RET_VAL", dataType="BOOL"),
),
BlockInterfaceField.FTYPE_TEMP : (
BlockInterfaceField(name="DBNR", dataType="INT"),
),
}
awlCodeCopyright = "Copyright (c) 2014 Michael Buesch <m@bues.ch>"
awlCodeLicense = "BSD-2-clause"
awlCodeIsStandard = True
awlCodeVersion = "0.1"
awlCode = """
// Load a pointer to #DT1 into AR1 and open the DB
LAR1 P##DT1
L W [AR1, P#0.0]
T #DBNR
AUF DB [#DBNR]
L D [AR1, P#2.0]
LAR1
// Load a pointer to #DT2 into AR2 and open the DB as DI
LAR2 P##DT2
L W [AR2, P#0.0]
T #DBNR
AUF DI [#DBNR]
L D [AR2, P#2.0]
// If #DT2 points to DB (area 84) change it to DI (area 85).
// This also works, if #DT2 points to VL (area 87).
// Other areas are not possible.
OD DW#16#85000000
LAR2
// Compare #DT1 with #DT2
L D [AR1, P#0.0]
L D [AR2, P#0.0]
==D
U(
L D [AR1, P#4.0]
L D [AR2, P#4.0]
==D
)
= #RET_VAL
SET
SAVE
BE
"""
AwlLib.registerEntry(Lib__IEC__FC9_EQ_DT)
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