beremiz

IDE: Add a "Tutorials and Examples" sub menu to "File" menu to directly open projects in /exemples directory. Move 'python' and 'first_steps' projecvts from /tests to /exemple
wxPython4
2021-09-13, Edouard Tisserant
aee9e98c856a
Parents ecfa689684c5
Children 9fe5b4a04acc
IDE: Add a "Tutorials and Examples" sub menu to "File" menu to directly open projects in /exemples directory. Move 'python' and 'first_steps' projecvts from /tests to /exemple
26 files changed, 3035 insertions(+), 3011 deletions(-)
  • +1 -0
    .hgignore
  • +23 -0
    BeremizIDE.py
  • +1 -1
    ConfigTreeNode.py
  • +2 -2
    ProjectController.py
  • +5 -0
    exemples/first_steps/beremiz.xml
  • +1160 -0
    exemples/first_steps/plc.xml
  • +5 -0
    exemples/python/beremiz.xml
  • +2 -0
    exemples/python/c_code@c_ext/baseconfnode.xml
  • +75 -0
    exemples/python/c_code@c_ext/cfile.xml
  • +2 -0
    exemples/python/c_code@c_ext/confnode.xml
  • +1644 -0
    exemples/python/plc.xml
  • +2 -0
    exemples/python/py_ext_0@py_ext/baseconfnode.xml
  • +42 -0
    exemples/python/py_ext_0@py_ext/pyfile.xml
  • +2 -0
    exemples/python/python@py_ext/baseconfnode.xml
  • +69 -0
    exemples/python/python@py_ext/pyfile.xml
  • +0 -5
    tests/first_steps/beremiz.xml
  • +0 -1160
    tests/first_steps/plc.xml
  • +0 -5
    tests/python/beremiz.xml
  • +0 -2
    tests/python/c_code@c_ext/baseconfnode.xml
  • +0 -75
    tests/python/c_code@c_ext/cfile.xml
  • +0 -2
    tests/python/c_code@c_ext/confnode.xml
  • +0 -1644
    tests/python/plc.xml
  • +0 -2
    tests/python/py_ext_0@py_ext/baseconfnode.xml
  • +0 -42
    tests/python/py_ext_0@py_ext/pyfile.xml
  • +0 -2
    tests/python/python@py_ext/baseconfnode.xml
  • +0 -69
    tests/python/python@py_ext/pyfile.xml
    • --- a/.hgignore Mon Sep 13 17:57:47 2021 +0200
    +++ b/.hgignore Mon Sep 13 22:23:14 2021 +0200
    @@ -9,6 +9,7 @@
    syntax: regexp
    ^tests/.*/build$
    +^exemples/.*/build$
    ^.idea/.*
    syntax: regexp
    ^.*\.pyc$
    --- a/BeremizIDE.py Mon Sep 13 17:57:47 2021 +0200
    +++ b/BeremizIDE.py Mon Sep 13 22:23:14 2021 +0200
    @@ -241,6 +241,7 @@
    def _init_utils(self):
    self.ConfNodeMenu = wx.Menu(title='')
    self.RecentProjectsMenu = wx.Menu(title='')
    + self.TutorialsProjectsMenu = wx.Menu(title='')
    IDEFrame._init_utils(self)
    @@ -251,6 +252,28 @@
    kind=wx.ITEM_NORMAL, text=_(u'Open') + '\tCTRL+O')
    parent.Append(ID_FILEMENURECENTPROJECTS, _("&Recent Projects"), self.RecentProjectsMenu)
    parent.AppendSeparator()
    + parent.Append(wx.ID_ANY, _("&Tutorials and Examples"), self.TutorialsProjectsMenu)
    +
    + exemples_dir = Bpath("exemples")
    + project_list = sorted(os.listdir(exemples_dir))
    +
    + for idx, dirname in enumerate(project_list):
    + text = u'&%d: %s' % (idx + 1, dirname)
    +
    + item = self.TutorialsProjectsMenu.Append(wx.ID_ANY, text, '')
    +
    + projectpath = os.path.join(exemples_dir, dirname)
    +
    + def OpenExemple(event):
    + if self.CTR is not None and not self.CheckSaveBeforeClosing():
    + return
    +
    + self.OpenProject(projectpath)
    + if not self.CTR.CheckProjectPathPerm():
    + self.ResetView()
    +
    + self.Bind(wx.EVT_MENU, OpenExemple, item)
    + parent.AppendSeparator()
    AppendMenu(parent, help='', id=wx.ID_SAVE,
    kind=wx.ITEM_NORMAL, text=_(u'Save') + '\tCTRL+S')
    AppendMenu(parent, help='', id=wx.ID_SAVEAS,
    --- a/ConfigTreeNode.py Mon Sep 13 17:57:47 2021 +0200
    +++ b/ConfigTreeNode.py Mon Sep 13 22:23:14 2021 +0200
    @@ -194,7 +194,7 @@
    os.mkdir(self.CTNPath())
    def CTNRequestSave(self, from_project_path=None):
    - if self.GetCTRoot().CheckProjectPathPerm(False):
    + if self.GetCTRoot().CheckProjectPathPerm():
    # If confnode do not have corresponding directory
    ctnpath = self.CTNPath()
    if not os.path.isdir(ctnpath):
    --- a/ProjectController.py Mon Sep 13 17:57:47 2021 +0200
    +++ b/ProjectController.py Mon Sep 13 22:23:14 2021 +0200
    @@ -402,7 +402,7 @@
    return res
    # helper func to check project path write permission
    - def CheckProjectPathPerm(self, dosave=True):
    + def CheckProjectPathPerm(self):
    if CheckPathPerm(self.ProjectPath):
    return True
    if self.AppFrame is not None:
    @@ -577,7 +577,7 @@
    return True
    def SaveProject(self, from_project_path=None):
    - if self.CheckProjectPathPerm(False):
    + if self.CheckProjectPathPerm():
    if from_project_path is not None:
    old_projectfiles_path = self._getProjectFilesPath(
    from_project_path)
    --- /dev/null Thu Jan 01 00:00:00 1970 +0000
    +++ b/exemples/first_steps/beremiz.xml Mon Sep 13 22:23:14 2021 +0200
    @@ -0,0 +1,5 @@
    +<?xml version='1.0' encoding='utf-8'?>
    +<BeremizRoot xmlns:xsd="http://www.w3.org/2001/XMLSchema" URI_location="LOCAL://">
    + <TargetType/>
    + <Libraries Enable_Python_Library="false"/>
    +</BeremizRoot>
    --- /dev/null Thu Jan 01 00:00:00 1970 +0000
    +++ b/exemples/first_steps/plc.xml Mon Sep 13 22:23:14 2021 +0200
    @@ -0,0 +1,1160 @@
    +<?xml version='1.0' encoding='utf-8'?>
    +<project xmlns:ns1="http://www.plcopen.org/xml/tc6_0201" xmlns:xhtml="http://www.w3.org/1999/xhtml" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns="http://www.plcopen.org/xml/tc6_0201">
    + <fileHeader companyName="Beremiz" productName="Beremiz" productVersion="1" creationDateTime="2016-10-24T18:09:22"/>
    + <contentHeader name="First Steps" modificationDateTime="2018-09-26T12:52:51">
    + <coordinateInfo>
    + <fbd>
    + <scaling x="0" y="0"/>
    + </fbd>
    + <ld>
    + <scaling x="0" y="0"/>
    + </ld>
    + <sfc>
    + <scaling x="0" y="0"/>
    + </sfc>
    + </coordinateInfo>
    + </contentHeader>
    + <types>
    + <dataTypes/>
    + <pous>
    + <pou name="AverageVal" pouType="function">
    + <interface>
    + <returnType>
    + <REAL/>
    + </returnType>
    + <inputVars>
    + <variable name="Cnt1">
    + <type>
    + <INT/>
    + </type>
    + </variable>
    + <variable name="Cnt2">
    + <type>
    + <INT/>
    + </type>
    + </variable>
    + <variable name="Cnt3">
    + <type>
    + <INT/>
    + </type>
    + </variable>
    + <variable name="Cnt4">
    + <type>
    + <INT/>
    + </type>
    + </variable>
    + <variable name="Cnt5">
    + <type>
    + <INT/>
    + </type>
    + </variable>
    + </inputVars>
    + <localVars>
    + <variable name="InputsNumber">
    + <type>
    + <REAL/>
    + </type>
    + <initialValue>
    + <simpleValue value="5.0"/>
    + </initialValue>
    + <documentation>
    + <xhtml:p><![CDATA[Количество входных значений]]></xhtml:p>
    + </documentation>
    + </variable>
    + </localVars>
    + </interface>
    + <body>
    + <ST>
    + <xhtml:p><![CDATA[AverageVal := INT_TO_REAL(Cnt1+Cnt2+Cnt3+Cnt4+Cnt5)/InputsNumber;]]></xhtml:p>
    + </ST>
    + </body>
    + </pou>
    + <pou name="plc_prg" pouType="program">
    + <interface>
    + <inputVars>
    + <variable name="Reset">
    + <type>
    + <BOOL/>
    + </type>
    + </variable>
    + </inputVars>
    + <outputVars>
    + <variable name="Cnt1">
    + <type>
    + <INT/>
    + </type>
    + </variable>
    + <variable name="Cnt2">
    + <type>
    + <INT/>
    + </type>
    + </variable>
    + <variable name="Cnt3">
    + <type>
    + <INT/>
    + </type>
    + </variable>
    + <variable name="Cnt4">
    + <type>
    + <INT/>
    + </type>
    + </variable>
    + <variable name="Cnt5">
    + <type>
    + <INT/>
    + </type>
    + </variable>
    + </outputVars>
    + <localVars>
    + <variable name="CounterST0">
    + <type>
    + <derived name="CounterST"/>
    + </type>
    + </variable>
    + <variable name="CounterFBD0">
    + <type>
    + <derived name="CounterFBD"/>
    + </type>
    + </variable>
    + <variable name="CounterSFC0">
    + <type>
    + <derived name="CounterSFC"/>
    + </type>
    + </variable>
    + <variable name="CounterIL0">
    + <type>
    + <derived name="CounterIL"/>
    + </type>
    + </variable>
    + <variable name="CounterLD0">
    + <type>
    + <derived name="CounterLD"/>
    + </type>
    + </variable>
    + <variable name="AVCnt">
    + <type>
    + <REAL/>
    + </type>
    + </variable>
    + </localVars>
    + </interface>
    + <body>
    + <FBD>
    + <block localId="1" typeName="CounterST" instanceName="CounterST0" executionOrderId="0" height="60" width="125">
    + <position x="207" y="53"/>
    + <inputVariables>
    + <variable formalParameter="Reset">
    + <connectionPointIn>
    + <relPosition x="0" y="40"/>
    + <connection refLocalId="2">
    + <position x="207" y="93"/>
    + <position x="114" y="93"/>
    + </connection>
    + </connectionPointIn>
    + </variable>
    + </inputVariables>
    + <inOutVariables/>
    + <outputVariables>
    + <variable formalParameter="OUT">
    + <connectionPointOut>
    + <relPosition x="125" y="40"/>
    + </connectionPointOut>
    + </variable>
    + </outputVariables>
    + </block>
    + <inVariable localId="2" executionOrderId="0" height="30" width="79" negated="false">
    + <position x="35" y="78"/>
    + <connectionPointOut>
    + <relPosition x="79" y="15"/>
    + </connectionPointOut>
    + <expression>Reset</expression>
    + </inVariable>
    + <block localId="4" typeName="CounterFBD" instanceName="CounterFBD0" executionOrderId="0" height="54" width="121">
    + <position x="211" y="146"/>
    + <inputVariables>
    + <variable formalParameter="Reset">
    + <connectionPointIn>
    + <relPosition x="0" y="37"/>
    + <connection refLocalId="13">
    + <position x="211" y="183"/>
    + <position x="115" y="183"/>
    + </connection>
    + </connectionPointIn>
    + </variable>
    + </inputVariables>
    + <inOutVariables/>
    + <outputVariables>
    + <variable formalParameter="OUT">
    + <connectionPointOut>
    + <relPosition x="121" y="37"/>
    + </connectionPointOut>
    + </variable>
    + </outputVariables>
    + </block>
    + <comment localId="6" height="365" width="569">
    + <position x="620" y="130"/>
    + <content>
    + <xhtml:p><![CDATA[In this example function block with the same functionality
    +is created using all five IEC 61131-3 programing languages:
    +- IL;
    +- FBD;
    +- LD;
    +- ST;
    +- SFC.
    +
    +
    +
    +
    +Function block is a counter with reset control input.
    +If reset is True counter value is reset to the value defined by
    +global configuration constant ResetCounterValue.
    +If reset is False, counter is incremented every cycle.
    +]]></xhtml:p>
    + </content>
    + </comment>
    + <block localId="7" typeName="CounterSFC" instanceName="CounterSFC0" executionOrderId="0" height="52" width="121">
    + <position x="211" y="237"/>
    + <inputVariables>
    + <variable formalParameter="Reset">
    + <connectionPointIn>
    + <relPosition x="0" y="36"/>
    + <connection refLocalId="12">
    + <position x="211" y="273"/>
    + <position x="103" y="273"/>
    + </connection>
    + </connectionPointIn>
    + </variable>
    + </inputVariables>
    + <inOutVariables/>
    + <outputVariables>
    + <variable formalParameter="OUT">
    + <connectionPointOut>
    + <relPosition x="121" y="36"/>
    + </connectionPointOut>
    + </variable>
    + </outputVariables>
    + </block>
    + <block localId="9" typeName="CounterIL" instanceName="CounterIL0" executionOrderId="0" height="62" width="121">
    + <position x="211" y="322"/>
    + <inputVariables>
    + <variable formalParameter="Reset">
    + <connectionPointIn>
    + <relPosition x="0" y="41"/>
    + <connection refLocalId="10">
    + <position x="211" y="363"/>
    + <position x="101" y="363"/>
    + </connection>
    + </connectionPointIn>
    + </variable>
    + </inputVariables>
    + <inOutVariables/>
    + <outputVariables>
    + <variable formalParameter="OUT">
    + <connectionPointOut>
    + <relPosition x="121" y="41"/>
    + </connectionPointOut>
    + </variable>
    + </outputVariables>
    + </block>
    + <inVariable localId="10" executionOrderId="0" height="30" width="67" negated="false">
    + <position x="34" y="348"/>
    + <connectionPointOut>
    + <relPosition x="67" y="15"/>
    + </connectionPointOut>
    + <expression>Reset</expression>
    + </inVariable>
    + <inVariable localId="12" executionOrderId="0" height="30" width="67" negated="false">
    + <position x="36" y="258"/>
    + <connectionPointOut>
    + <relPosition x="67" y="15"/>
    + </connectionPointOut>
    + <expression>Reset</expression>
    + </inVariable>
    + <inVariable localId="13" executionOrderId="0" height="30" width="79" negated="false">
    + <position x="36" y="168"/>
    + <connectionPointOut>
    + <relPosition x="79" y="15"/>
    + </connectionPointOut>
    + <expression>Reset</expression>
    + </inVariable>
    + <block localId="14" typeName="CounterLD" instanceName="CounterLD0" executionOrderId="0" height="62" width="124">
    + <position x="210" y="412"/>
    + <inputVariables>
    + <variable formalParameter="Reset">
    + <connectionPointIn>
    + <relPosition x="0" y="41"/>
    + <connection refLocalId="16">
    + <position x="210" y="453"/>
    + <position x="100" y="453"/>
    + </connection>
    + </connectionPointIn>
    + </variable>
    + </inputVariables>
    + <inOutVariables/>
    + <outputVariables>
    + <variable formalParameter="Out">
    + <connectionPointOut>
    + <relPosition x="124" y="41"/>
    + </connectionPointOut>
    + </variable>
    + </outputVariables>
    + </block>
    + <inVariable localId="16" executionOrderId="0" height="30" width="64" negated="false">
    + <position x="36" y="438"/>
    + <connectionPointOut>
    + <relPosition x="64" y="15"/>
    + </connectionPointOut>
    + <expression>Reset</expression>
    + </inVariable>
    + <block localId="17" typeName="AverageVal" executionOrderId="0" height="470" width="100">
    + <position x="514" y="28"/>
    + <inputVariables>
    + <variable formalParameter="Cnt1">
    + <connectionPointIn>
    + <relPosition x="0" y="65"/>
    + <connection refLocalId="3">
    + <position x="514" y="93"/>
    + <position x="474" y="93"/>
    + </connection>
    + </connectionPointIn>
    + </variable>
    + <variable formalParameter="Cnt2">
    + <connectionPointIn>
    + <relPosition x="0" y="155"/>
    + <connection refLocalId="5">
    + <position x="514" y="183"/>
    + <position x="473" y="183"/>
    + </connection>
    + </connectionPointIn>
    + </variable>
    + <variable formalParameter="Cnt3">
    + <connectionPointIn>
    + <relPosition x="0" y="245"/>
    + <connection refLocalId="8">
    + <position x="514" y="273"/>
    + <position x="472" y="273"/>
    + </connection>
    + </connectionPointIn>
    + </variable>
    + <variable formalParameter="Cnt4">
    + <connectionPointIn>
    + <relPosition x="0" y="335"/>
    + <connection refLocalId="11">
    + <position x="514" y="363"/>
    + <position x="469" y="363"/>
    + </connection>
    + </connectionPointIn>
    + </variable>
    + <variable formalParameter="Cnt5">
    + <connectionPointIn>
    + <relPosition x="0" y="425"/>
    + <connection refLocalId="15">
    + <position x="514" y="453"/>
    + <position x="469" y="453"/>
    + </connection>
    + </connectionPointIn>
    + </variable>
    + </inputVariables>
    + <inOutVariables/>
    + <outputVariables>
    + <variable formalParameter="OUT">
    + <connectionPointOut>
    + <relPosition x="100" y="65"/>
    + </connectionPointOut>
    + </variable>
    + </outputVariables>
    + </block>
    + <outVariable localId="18" executionOrderId="0" height="30" width="55" negated="false">
    + <position x="649" y="78"/>
    + <connectionPointIn>
    + <relPosition x="0" y="15"/>
    + <connection refLocalId="17" formalParameter="OUT">
    + <position x="649" y="93"/>
    + <position x="614" y="93"/>
    + </connection>
    + </connectionPointIn>
    + <expression>AVCnt</expression>
    + </outVariable>
    + <inOutVariable localId="3" executionOrderId="0" height="30" width="106" negatedOut="false" negatedIn="false">
    + <position x="368" y="78"/>
    + <connectionPointIn>
    + <relPosition x="0" y="15"/>
    + <connection refLocalId="1" formalParameter="OUT">
    + <position x="368" y="93"/>
    + <position x="332" y="93"/>
    + </connection>
    + </connectionPointIn>
    + <connectionPointOut>
    + <relPosition x="106" y="15"/>
    + </connectionPointOut>
    + <expression>Cnt1</expression>
    + </inOutVariable>
    + <inOutVariable localId="5" executionOrderId="0" height="30" width="103" negatedOut="false" negatedIn="false">
    + <position x="370" y="168"/>
    + <connectionPointIn>
    + <relPosition x="0" y="15"/>
    + <connection refLocalId="4" formalParameter="OUT">
    + <position x="370" y="183"/>
    + <position x="332" y="183"/>
    + </connection>
    + </connectionPointIn>
    + <connectionPointOut>
    + <relPosition x="103" y="15"/>
    + </connectionPointOut>
    + <expression>Cnt2</expression>
    + </inOutVariable>
    + <inOutVariable localId="8" executionOrderId="0" height="30" width="97" negatedOut="false" negatedIn="false">
    + <position x="375" y="258"/>
    + <connectionPointIn>
    + <relPosition x="0" y="15"/>
    + <connection refLocalId="7" formalParameter="OUT">
    + <position x="375" y="273"/>
    + <position x="332" y="273"/>
    + </connection>
    + </connectionPointIn>
    + <connectionPointOut>
    + <relPosition x="97" y="15"/>
    + </connectionPointOut>
    + <expression>Cnt3</expression>
    + </inOutVariable>
    + <inOutVariable localId="11" executionOrderId="0" height="30" width="91" negatedOut="false" negatedIn="false">
    + <position x="378" y="348"/>
    + <connectionPointIn>
    + <relPosition x="0" y="15"/>
    + <connection refLocalId="9" formalParameter="OUT">
    + <position x="378" y="363"/>
    + <position x="332" y="363"/>
    + </connection>
    + </connectionPointIn>
    + <connectionPointOut>
    + <relPosition x="91" y="15"/>
    + </connectionPointOut>
    + <expression>Cnt4</expression>
    + </inOutVariable>
    + <inOutVariable localId="15" executionOrderId="0" height="30" width="88" negatedOut="false" negatedIn="false">
    + <position x="381" y="438"/>
    + <connectionPointIn>
    + <relPosition x="0" y="15"/>
    + <connection refLocalId="14" formalParameter="Out">
    + <position x="381" y="453"/>
    + <position x="334" y="453"/>
    + </connection>
    + </connectionPointIn>
    + <connectionPointOut>
    + <relPosition x="88" y="15"/>
    + </connectionPointOut>
    + <expression>Cnt5</expression>
    + </inOutVariable>
    + </FBD>
    + </body>
    + </pou>
    + <pou name="CounterST" pouType="functionBlock">
    + <interface>
    + <inputVars>
    + <variable name="Reset">
    + <type>
    + <BOOL/>
    + </type>
    + </variable>
    + </inputVars>
    + <localVars>
    + <variable name="Cnt">
    + <type>
    + <INT/>
    + </type>
    + </variable>
    + </localVars>
    + <outputVars>
    + <variable name="OUT">
    + <type>
    + <INT/>
    + </type>
    + </variable>
    + </outputVars>
    + <externalVars constant="true">
    + <variable name="ResetCounterValue">
    + <type>
    + <INT/>
    + </type>
    + </variable>
    + </externalVars>
    + </interface>
    + <body>
    + <ST>
    + <xhtml:p><![CDATA[IF Reset THEN
    + Cnt := ResetCounterValue;
    +ELSE
    + Cnt := Cnt + 1;
    +END_IF;
    +
    +Out := Cnt;]]></xhtml:p>
    + </ST>
    + </body>
    + </pou>
    + <pou name="CounterFBD" pouType="functionBlock">
    + <interface>
    + <inputVars>
    + <variable name="Reset">
    + <type>
    + <BOOL/>
    + </type>
    + </variable>
    + </inputVars>
    + <outputVars>
    + <variable name="OUT">
    + <type>
    + <INT/>
    + </type>
    + </variable>
    + </outputVars>
    + <localVars>
    + <variable name="Cnt">
    + <type>
    + <INT/>
    + </type>
    + </variable>
    + </localVars>
    + <externalVars constant="true">
    + <variable name="ResetCounterValue">
    + <type>
    + <INT/>
    + </type>
    + </variable>
    + </externalVars>
    + </interface>
    + <body>
    + <FBD>
    + <inVariable localId="1" executionOrderId="0" height="30" width="61" negated="false">
    + <position x="321" y="58"/>
    + <connectionPointOut>
    + <relPosition x="61" y="15"/>
    + </connectionPointOut>
    + <expression>Reset</expression>
    + </inVariable>
    + <outVariable localId="2" executionOrderId="0" height="30" width="39" negated="false">
    + <position x="675" y="137"/>
    + <connectionPointIn>
    + <relPosition x="0" y="15"/>
    + <connection refLocalId="3">
    + <position x="675" y="152"/>
    + <position x="589" y="152"/>
    + </connection>
    + </connectionPointIn>
    + <expression>OUT</expression>
    + </outVariable>
    + <inOutVariable localId="3" executionOrderId="0" height="30" width="37" negatedOut="false" negatedIn="false">
    + <position x="557" y="137"/>
    + <connectionPointIn>
    + <relPosition x="0" y="15"/>
    + <connection refLocalId="7" formalParameter="OUT">
    + <position x="557" y="152"/>
    + <position x="527" y="152"/>
    + <position x="527" y="130"/>
    + <position x="517" y="130"/>
    + </connection>
    + </connectionPointIn>
    + <connectionPointOut>
    + <relPosition x="37" y="15"/>
    + </connectionPointOut>
    + <expression>Cnt</expression>
    + </inOutVariable>
    + <block localId="4" typeName="ADD" executionOrderId="0" height="80" width="69">
    + <position x="328" y="115"/>
    + <inputVariables>
    + <variable formalParameter="IN1">
    + <connectionPointIn>
    + <relPosition x="0" y="35"/>
    + <connection refLocalId="6">
    + <position x="328" y="150"/>
    + <position x="275" y="150"/>
    + </connection>
    + </connectionPointIn>
    + </variable>
    + <variable formalParameter="IN2">
    + <connectionPointIn>
    + <relPosition x="0" y="65"/>
    + <connection refLocalId="3">
    + <position x="328" y="180"/>
    + <position x="317" y="180"/>
    + <position x="317" y="213"/>
    + <position x="604" y="213"/>
    + <position x="604" y="152"/>
    + <position x="594" y="152"/>
    + </connection>
    + </connectionPointIn>
    + </variable>
    + </inputVariables>
    + <inOutVariables/>
    + <outputVariables>
    + <variable formalParameter="OUT">
    + <connectionPointOut>
    + <relPosition x="69" y="35"/>
    + </connectionPointOut>
    + </variable>
    + </outputVariables>
    + </block>
    + <inVariable localId="5" executionOrderId="0" height="30" width="163" negated="false">
    + <position x="222" y="256"/>
    + <connectionPointOut>
    + <relPosition x="163" y="15"/>
    + </connectionPointOut>
    + <expression>ResetCounterValue</expression>
    + </inVariable>
    + <inVariable localId="6" executionOrderId="0" height="30" width="21" negated="false">
    + <position x="254" y="135"/>
    + <connectionPointOut>
    + <relPosition x="21" y="15"/>
    + </connectionPointOut>
    + <expression>1</expression>
    + </inVariable>
    + <block localId="7" typeName="SEL" executionOrderId="0" height="80" width="69">
    + <position x="448" y="100"/>
    + <inputVariables>
    + <variable formalParameter="G">
    + <connectionPointIn>
    + <relPosition x="0" y="30"/>
    + <connection refLocalId="1">
    + <position x="448" y="130"/>
    + <position x="415" y="130"/>
    + <position x="415" y="73"/>
    + <position x="382" y="73"/>
    + </connection>
    + </connectionPointIn>
    + </variable>
    + <variable formalParameter="IN0">
    + <connectionPointIn>
    + <relPosition x="0" y="50"/>
    + <connection refLocalId="4" formalParameter="OUT">
    + <position x="448" y="150"/>
    + <position x="397" y="150"/>
    + </connection>
    + </connectionPointIn>
    + </variable>
    + <variable formalParameter="IN1">
    + <connectionPointIn>
    + <relPosition x="0" y="70"/>
    + <connection refLocalId="5">
    + <position x="448" y="170"/>
    + <position x="414" y="170"/>
    + <position x="414" y="271"/>
    + <position x="385" y="271"/>
    + </connection>
    + </connectionPointIn>
    + </variable>
    + </inputVariables>
    + <inOutVariables/>
    + <outputVariables>
    + <variable formalParameter="OUT">
    + <connectionPointOut>
    + <relPosition x="69" y="30"/>
    + </connectionPointOut>
    + </variable>
    + </outputVariables>
    + </block>
    + </FBD>
    + </body>
    + </pou>
    + <pou name="CounterSFC" pouType="functionBlock">
    + <interface>
    + <inputVars>
    + <variable name="Reset">
    + <type>
    + <BOOL/>
    + </type>
    + </variable>
    + </inputVars>
    + <outputVars>
    + <variable name="OUT">
    + <type>
    + <INT/>
    + </type>
    + </variable>
    + </outputVars>
    + <localVars>
    + <variable name="Cnt">
    + <type>
    + <INT/>
    + </type>
    + </variable>
    + </localVars>
    + <externalVars constant="true">
    + <variable name="ResetCounterValue">
    + <type>
    + <INT/>
    + </type>
    + </variable>
    + </externalVars>
    + </interface>
    + <actions/>
    + <body>
    + <SFC>
    + <step localId="1" name="Start" initialStep="true" height="34" width="90">
    + <position x="241" y="14"/>
    + <connectionPointOut formalParameter="">
    + <relPosition x="45" y="34"/>
    + </connectionPointOut>
    + </step>
    + <selectionDivergence localId="2" height="1" width="431">
    + <position x="70" y="86"/>
    + <connectionPointIn>
    + <relPosition x="216" y="0"/>
    + <connection refLocalId="1">
    + <position x="286" y="86"/>
    + <position x="286" y="42"/>
    + </connection>
    + </connectionPointIn>
    + <connectionPointOut formalParameter="">
    + <relPosition x="0" y="1"/>
    + </connectionPointOut>
    + <connectionPointOut formalParameter="">
    + <relPosition x="431" y="1"/>
    + </connectionPointOut>
    + </selectionDivergence>
    + <transition localId="3" height="2" width="20">
    + <position x="491" y="132"/>
    + <connectionPointIn>
    + <relPosition x="10" y="0"/>
    + <connection refLocalId="2">
    + <position x="501" y="132"/>
    + <position x="501" y="87"/>
    + </connection>
    + </connectionPointIn>
    + <connectionPointOut>
    + <relPosition x="10" y="2"/>
    + </connectionPointOut>
    + <condition>
    + <inline name="">
    + <ST>
    + <xhtml:p><![CDATA[Reset]]></xhtml:p>
    + </ST>
    + </inline>
    + </condition>
    + </transition>
    + <transition localId="4" height="2" width="20" executionOrderId="0">
    + <position x="60" y="135"/>
    + <connectionPointIn>
    + <relPosition x="10" y="0"/>
    + <connection refLocalId="2">
    + <position x="70" y="135"/>
    + <position x="70" y="87"/>
    + </connection>
    + </connectionPointIn>
    + <connectionPointOut>
    + <relPosition x="10" y="2"/>
    + </connectionPointOut>
    + <condition>
    + <inline name="">
    + <ST>
    + <xhtml:p><![CDATA[NOT Reset]]></xhtml:p>
    + </ST>
    + </inline>
    + </condition>
    + </transition>
    + <step localId="5" name="ResetCounter" initialStep="false" height="30" width="134">
    + <position x="434" y="190"/>
    + <connectionPointIn>
    + <relPosition x="67" y="0"/>
    + <connection refLocalId="3">
    + <position x="501" y="190"/>
    + <position x="501" y="134"/>
    + </connection>
    + </connectionPointIn>
    + <connectionPointOut formalParameter="">
    + <relPosition x="67" y="30"/>
    + </connectionPointOut>
    + <connectionPointOutAction formalParameter="">
    + <relPosition x="134" y="15"/>
    + </connectionPointOutAction>
    + </step>
    + <actionBlock localId="6" height="63" width="254">
    + <position x="641" y="190"/>
    + <connectionPointIn>
    + <relPosition x="0" y="15"/>
    + <connection refLocalId="5">
    + <position x="641" y="205"/>
    + <position x="568" y="205"/>
    + </connection>
    + </connectionPointIn>
    + <action localId="0">
    + <relPosition x="0" y="0"/>
    + <inline>
    + <ST>
    + <xhtml:p><![CDATA[Cnt := ResetCounterValue;]]></xhtml:p>
    + </ST>
    + </inline>
    + </action>
    + <action localId="0">
    + <relPosition x="0" y="0"/>
    + <inline>
    + <ST>
    + <xhtml:p><![CDATA[OUT := Cnt;]]></xhtml:p>
    + </ST>
    + </inline>
    + </action>
    + </actionBlock>
    + <step localId="7" name="Count" initialStep="false" height="30" width="85" executionOrderId="0">
    + <position x="28" y="191"/>
    + <connectionPointIn>
    + <relPosition x="42" y="0"/>
    + <connection refLocalId="4">
    + <position x="70" y="191"/>
    + <position x="70" y="137"/>
    + </connection>
    + </connectionPointIn>
    + <connectionPointOut formalParameter="">
    + <relPosition x="42" y="30"/>
    + </connectionPointOut>
    + <connectionPointOutAction formalParameter="">
    + <relPosition x="85" y="15"/>
    + </connectionPointOutAction>
    + </step>
    + <actionBlock localId="8" height="52" width="164" executionOrderId="0">
    + <position x="154" y="191"/>
    + <connectionPointIn>
    + <relPosition x="0" y="15"/>
    + <connection refLocalId="7">
    + <position x="154" y="206"/>
    + <position x="113" y="206"/>
    + </connection>
    + </connectionPointIn>
    + <action localId="0">
    + <relPosition x="0" y="0"/>
    + <inline>
    + <ST>
    + <xhtml:p><![CDATA[Cnt := Cnt + 1;]]></xhtml:p>
    + </ST>
    + </inline>
    + </action>
    + <action localId="0">
    + <relPosition x="0" y="0"/>
    + <inline>
    + <ST>
    + <xhtml:p><![CDATA[OUT := Cnt;]]></xhtml:p>
    + </ST>
    + </inline>
    + </action>
    + </actionBlock>
    + <selectionConvergence localId="10" height="1" width="431">
    + <position x="70" y="273"/>
    + <connectionPointIn>
    + <relPosition x="0" y="0"/>
    + <connection refLocalId="13">
    + <position x="70" y="273"/>
    + <position x="70" y="244"/>
    + </connection>
    + </connectionPointIn>
    + <connectionPointIn>
    + <relPosition x="431" y="0"/>
    + <connection refLocalId="14">
    + <position x="501" y="273"/>
    + <position x="501" y="250"/>
    + </connection>
    + </connectionPointIn>
    + <connectionPointOut>
    + <relPosition x="216" y="1"/>
    + </connectionPointOut>
    + </selectionConvergence>
    + <jumpStep localId="12" targetName="Start" height="13" width="12">
    + <position x="280" y="317"/>
    + <connectionPointIn>
    + <relPosition x="6" y="0"/>
    + <connection refLocalId="10">
    + <position x="286" y="317"/>
    + <position x="286" y="274"/>
    + </connection>
    + </connectionPointIn>
    + </jumpStep>
    + <transition localId="13" height="2" width="20" executionOrderId="0">
    + <position x="60" y="242"/>
    + <connectionPointIn>
    + <relPosition x="10" y="0"/>
    + <connection refLocalId="7">
    + <position x="70" y="242"/>
    + <position x="70" y="215"/>
    + </connection>
    + </connectionPointIn>
    + <connectionPointOut>
    + <relPosition x="10" y="2"/>
    + </connectionPointOut>
    + <condition>
    + <inline name="">
    + <ST>
    + <xhtml:p><![CDATA[Reset]]></xhtml:p>
    + </ST>
    + </inline>
    + </condition>
    + </transition>
    + <transition localId="14" height="2" width="20" executionOrderId="0">
    + <position x="491" y="248"/>
    + <connectionPointIn>
    + <relPosition x="10" y="0"/>
    + <connection refLocalId="5">
    + <position x="501" y="248"/>
    + <position x="501" y="220"/>
    + </connection>
    + </connectionPointIn>
    + <connectionPointOut>
    + <relPosition x="10" y="2"/>
    + </connectionPointOut>
    + <condition>
    + <inline name="">
    + <ST>
    + <xhtml:p><![CDATA[NOT Reset]]></xhtml:p>
    + </ST>
    + </inline>
    + </condition>
    + </transition>
    + </SFC>
    + </body>
    + </pou>
    + <pou name="CounterIL" pouType="functionBlock">
    + <interface>
    + <localVars>
    + <variable name="Cnt">
    + <type>
    + <INT/>
    + </type>
    + </variable>
    + </localVars>
    + <inputVars>
    + <variable name="Reset">
    + <type>
    + <BOOL/>
    + </type>
    + </variable>
    + </inputVars>
    + <outputVars>
    + <variable name="OUT">
    + <type>
    + <INT/>
    + </type>
    + </variable>
    + </outputVars>
    + <externalVars constant="true">
    + <variable name="ResetCounterValue">
    + <type>
    + <INT/>
    + </type>
    + </variable>
    + </externalVars>
    + </interface>
    + <body>
    + <IL>
    + <xhtml:p><![CDATA[LD Reset
    +JMPC ResetCnt
    +
    +(* increment counter *)
    +LD Cnt
    +ADD 1
    +JMP QuitFb
    +
    +ResetCnt:
    +(* reset counter *)
    +LD ResetCounterValue
    +
    +QuitFb:
    +(* save results *)
    +ST Cnt
    +ST Out
    +]]></xhtml:p>
    + </IL>
    + </body>
    + </pou>
    + <pou name="CounterLD" pouType="functionBlock">
    + <interface>
    + <inputVars>
    + <variable name="Reset">
    + <type>
    + <BOOL/>
    + </type>
    + </variable>
    + </inputVars>
    + <outputVars>
    + <variable name="Out">
    + <type>
    + <INT/>
    + </type>
    + </variable>
    + </outputVars>
    + <localVars>
    + <variable name="Cnt">
    + <type>
    + <INT/>
    + </type>
    + </variable>
    + </localVars>
    + <externalVars constant="true">
    + <variable name="ResetCounterValue">
    + <type>
    + <INT/>
    + </type>
    + </variable>
    + </externalVars>
    + </interface>
    + <body>
    + <LD>
    + <outVariable localId="2" executionOrderId="0" height="30" width="34" negated="false">
    + <position x="527" y="87"/>
    + <connectionPointIn>
    + <relPosition x="0" y="15"/>
    + <connection refLocalId="3">
    + <position x="527" y="102"/>
    + <position x="443" y="102"/>
    + </connection>
    + </connectionPointIn>
    + <expression>Out</expression>
    + </outVariable>
    + <inOutVariable localId="3" executionOrderId="0" height="30" width="34" negatedOut="false" negatedIn="false">
    + <position x="409" y="87"/>
    + <connectionPointIn>
    + <relPosition x="0" y="15"/>
    + <connection refLocalId="7" formalParameter="OUT">
    + <position x="409" y="102"/>
    + <position x="367" y="102"/>
    + </connection>
    + </connectionPointIn>
    + <connectionPointOut>
    + <relPosition x="34" y="15"/>
    + </connectionPointOut>
    + <expression>Cnt</expression>
    + </inOutVariable>
    + <block localId="4" typeName="ADD" executionOrderId="0" height="80" width="67">
    + <position x="180" y="87"/>
    + <inputVariables>
    + <variable formalParameter="IN1">
    + <connectionPointIn>
    + <relPosition x="0" y="35"/>
    + <connection refLocalId="6">
    + <position x="180" y="122"/>
    + <position x="127" y="122"/>
    + </connection>
    + </connectionPointIn>
    + </variable>
    + <variable formalParameter="IN2">
    + <connectionPointIn>
    + <relPosition x="0" y="65"/>
    + <connection refLocalId="3">
    + <position x="180" y="152"/>
    + <position x="169" y="152"/>
    + <position x="169" y="185"/>
    + <position x="453" y="185"/>
    + <position x="453" y="102"/>
    + <position x="443" y="102"/>
    + </connection>
    + </connectionPointIn>
    + </variable>
    + </inputVariables>
    + <inOutVariables/>
    + <outputVariables>
    + <variable formalParameter="OUT">
    + <connectionPointOut>
    + <relPosition x="67" y="35"/>
    + </connectionPointOut>
    + </variable>
    + </outputVariables>
    + </block>
    + <inVariable localId="5" executionOrderId="0" height="30" width="158" negated="false">
    + <position x="74" y="228"/>
    + <connectionPointOut>
    + <relPosition x="158" y="15"/>
    + </connectionPointOut>
    + <expression>ResetCounterValue</expression>
    + </inVariable>
    + <inVariable localId="6" executionOrderId="0" height="30" width="21" negated="false">
    + <position x="106" y="107"/>
    + <connectionPointOut>
    + <relPosition x="21" y="15"/>
    + </connectionPointOut>
    + <expression>1</expression>
    + </inVariable>
    + <block localId="7" typeName="SEL" executionOrderId="0" height="80" width="67">
    + <position x="300" y="72"/>
    + <inputVariables>
    + <variable formalParameter="G">
    + <connectionPointIn>
    + <relPosition x="0" y="30"/>
    + <connection refLocalId="9">
    + <position x="300" y="102"/>
    + <position x="266" y="102"/>
    + <position x="266" y="62"/>
    + <position x="134" y="62"/>
    + </connection>
    + </connectionPointIn>
    + </variable>
    + <variable formalParameter="IN0">
    + <connectionPointIn>
    + <relPosition x="0" y="50"/>
    + <connection refLocalId="4" formalParameter="OUT">
    + <position x="300" y="122"/>
    + <position x="247" y="122"/>
    + </connection>
    + </connectionPointIn>
    + </variable>
    + <variable formalParameter="IN1">
    + <connectionPointIn>
    + <relPosition x="0" y="70"/>
    + <connection refLocalId="5">
    + <position x="300" y="142"/>
    + <position x="266" y="142"/>
    + <position x="266" y="243"/>
    + <position x="232" y="243"/>
    + </connection>
    + </connectionPointIn>
    + </variable>
    + </inputVariables>
    + <inOutVariables/>
    + <outputVariables>
    + <variable formalParameter="OUT">
    + <connectionPointOut>
    + <relPosition x="67" y="30"/>
    + </connectionPointOut>
    + </variable>
    + </outputVariables>
    + </block>
    + <leftPowerRail localId="8" height="40" width="3">
    + <position x="46" y="42"/>
    + <connectionPointOut formalParameter="">
    + <relPosition x="3" y="20"/>
    + </connectionPointOut>
    + </leftPowerRail>
    + <contact localId="9" height="15" width="21" negated="false">
    + <position x="113" y="54"/>
    + <connectionPointIn>
    + <relPosition x="0" y="8"/>
    + <connection refLocalId="8">
    + <position x="113" y="62"/>
    + <position x="49" y="62"/>
    + </connection>
    + </connectionPointIn>
    + <connectionPointOut>
    + <relPosition x="21" y="8"/>
    + </connectionPointOut>
    + <variable>Reset</variable>
    + </contact>
    + </LD>
    + </body>
    + </pou>
    + </pous>
    + </types>
    + <instances>
    + <configurations>
    + <configuration name="config">
    + <resource name="resource1">
    + <task name="plc_task" priority="1" interval="T#100ms">
    + <pouInstance name="plc_task_instance" typeName="plc_prg"/>
    + </task>
    + </resource>
    + <globalVars constant="true">
    + <variable name="ResetCounterValue">
    + <type>
    + <INT/>
    + </type>
    + <initialValue>
    + <simpleValue value="17"/>
    + </initialValue>
    + </variable>
    + </globalVars>
    + </configuration>
    + </configurations>
    + </instances>
    +</project>
    --- /dev/null Thu Jan 01 00:00:00 1970 +0000
    +++ b/exemples/python/beremiz.xml Mon Sep 13 22:23:14 2021 +0200
    @@ -0,0 +1,5 @@
    +<?xml version='1.0' encoding='utf-8'?>
    +<BeremizRoot URI_location="LOCAL://">
    + <TargetType/>
    + <Libraries Enable_Python_Library="true"/>
    +</BeremizRoot>
    --- /dev/null Thu Jan 01 00:00:00 1970 +0000
    +++ b/exemples/python/c_code@c_ext/baseconfnode.xml Mon Sep 13 22:23:14 2021 +0200
    @@ -0,0 +1,2 @@
    +<?xml version='1.0' encoding='utf-8'?>
    +<BaseParams Name="c_code" IEC_Channel="1"/>
    --- /dev/null Thu Jan 01 00:00:00 1970 +0000
    +++ b/exemples/python/c_code@c_ext/cfile.xml Mon Sep 13 22:23:14 2021 +0200
    @@ -0,0 +1,75 @@
    +<?xml version='1.0' encoding='utf-8'?>
    +<CFile xmlns:xhtml="http://www.w3.org/1999/xhtml">
    + <includes>
    + <xhtml:p><![CDATA[
    +]]></xhtml:p>
    + </includes>
    + <variables>
    + <variable name="TestInput" type="SINT" initial="0"/>
    + <variable name="TestOutput" type="SINT"/>
    + </variables>
    + <globals>
    + <xhtml:p><![CDATA[
    +volatile long Lock=0;
    +volatile char PtoC=1,CtoP=2;
    +
    +extern long AtomicCompareExchange(long*,long, long);
    +extern char *PLC_ID;
    +
    +int Simple_C_Call(int val){
    + return val+1;
    +}
    +
    +int Python_to_C_Call(char toC, char *fromC){
    + /* Code called by python should never touch to
    + variables modified by PLC thread directly
    +
    + AtomicCompareExchange comes from
    + beremiz' runtime implementation */
    +
    + int res = 0;
    + if(!AtomicCompareExchange((long*)&Lock, 0, 1)){
    + PtoC=toC;
    + *fromC=CtoP;
    + AtomicCompareExchange((long*)&Lock, 1, 0);
    + res=1;
    + }
    + printf("C code called by Python: toC %d fromC %d\n",toC,*fromC);
    + printf("PLC_ID id %s\n",PLC_ID);
    + return res;
    +}
    +
    +int PLC_C_Call(char fromPLC, char *toPLC){
    + /* PLC also have to be realy carefull not to
    + conflict with asynchronous python access */
    + if(!AtomicCompareExchange((long*)&Lock, 0, 1)){
    + CtoP = fromPLC;
    + *toPLC = PtoC;
    + AtomicCompareExchange((long*)&Lock, 1, 0);
    + return 1;
    + }
    + return 0;
    +}
    +]]></xhtml:p>
    + </globals>
    + <initFunction>
    + <xhtml:p><![CDATA[
    +]]></xhtml:p>
    + </initFunction>
    + <cleanUpFunction>
    + <xhtml:p><![CDATA[
    +]]></xhtml:p>
    + </cleanUpFunction>
    + <retrieveFunction>
    + <xhtml:p><![CDATA[
    +]]></xhtml:p>
    + </retrieveFunction>
    + <publishFunction>
    + <xhtml:p><![CDATA[
    +if(!AtomicCompareExchange((long*)&Lock, 0, 1)){
    + TestInput = CtoP + PtoC + TestOutput;
    + AtomicCompareExchange((long*)&Lock, 1, 0);
    +}
    +]]></xhtml:p>
    + </publishFunction>
    +</CFile>
    --- /dev/null Thu Jan 01 00:00:00 1970 +0000
    +++ b/exemples/python/c_code@c_ext/confnode.xml Mon Sep 13 22:23:14 2021 +0200
    @@ -0,0 +1,2 @@
    +<?xml version='1.0' encoding='utf-8'?>
    +<CExtension CFLAGS="" LDFLAGS=""/>
    --- /dev/null Thu Jan 01 00:00:00 1970 +0000
    +++ b/exemples/python/plc.xml Mon Sep 13 22:23:14 2021 +0200
    @@ -0,0 +1,1644 @@
    +<?xml version='1.0' encoding='utf-8'?>
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    + <comment localId="16" height="90" width="680">
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    + <xhtml:p><![CDATA[This part of the example test that, despite of 2T period clock stimulating TRIG pin of pyth_eval blocks, blocks keep executing one after the other, in respect of execution order.]]></xhtml:p>
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    + <connection refLocalId="27">
    + <position x="215" y="1205"/>
    + <position x="190" y="1205"/>
    + </connection>
    + </connectionPointIn>
    + <expression>FromInput</expression>
    + </outVariable>
    + <inVariable localId="2" height="30" width="30" executionOrderId="0" negated="false">
    + <position x="110" y="1125"/>
    + <connectionPointOut>
    + <relPosition x="30" y="15"/>
    + </connectionPointOut>
    + <expression>10</expression>
    + </inVariable>
    + <comment localId="30" height="105" width="465">
    + <position x="50" y="925"/>
    + <content>
    + <xhtml:p><![CDATA[You will be ready to use beremiz with C and Python when you will understand why "FromInput" is equal to 75.
    +Happy hacking! ]]></xhtml:p>
    + </content>
    + </comment>
    + <comment localId="31" height="90" width="345">
    + <position x="295" y="485"/>
    + <content>
    + <xhtml:p><![CDATA[Sleep here is bad. It blocks other py_eval instances. Whith a wxGlade GUI, GUI freeze for a second.]]></xhtml:p>
    + </content>
    + </comment>
    + <comment localId="6" height="80" width="345">
    + <position x="295" y="630"/>
    + <content>
    + <xhtml:p><![CDATA[Prints FBID to stdout of PLC runtime. FBID is a unique reference to py_eval instance.]]></xhtml:p>
    + </content>
    + </comment>
    + <comment localId="10" height="85" width="345">
    + <position x="295" y="770"/>
    + <content>
    + <xhtml:p><![CDATA[Simple_C_Call is declared in C_File "1.x:c_code". See python ctypes manual for details on typing.]]></xhtml:p>
    + </content>
    + </comment>
    + <comment localId="32" height="145" width="235">
    + <position x="25" y="505"/>
    + <content>
    + <xhtml:p><![CDATA[Fast clock, at least faster that sleep(1). See what happens when python takes time to answer : PLC continues.]]></xhtml:p>
    + </content>
    + </comment>
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    + <position x="125" y="1790"/>
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    + </outputVariables>
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    + <position x="460" y="1865"/>
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    + <position x="395" y="1960"/>
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    + <position x="400" y="2030"/>
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    + </outputVariables>
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    + <position x="180" y="2290"/>
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    + <position x="180" y="2325"/>
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    + <variable formalParameter="OUT">
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    + </connectionPointOut>
    + </variable>
    + </outputVariables>
    + </block>
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    + <position x="180" y="2405"/>
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    + <position x="240" y="2440"/>
    + <position x="180" y="2440"/>
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    + </connectionPointIn>
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    + </inputVariables>
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    + <variable formalParameter="OUT">
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    + <position x="930" y="1790"/>
    + <position x="855" y="1790"/>
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    + </connectionPointIn>
    + <expression>Test_TOD_STRING</expression>
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    + <block localId="55" width="125" height="45" typeName="TOD_TO_STRING" executionOrderId="0">
    + <position x="730" y="1759"/>
    + <inputVariables>
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    + <position x="655" y="1790"/>
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    + </inputVariables>
    + <inOutVariables/>
    + <outputVariables>
    + <variable formalParameter="OUT">
    + <connectionPointOut>
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    + </connectionPointOut>
    + </variable>
    + </outputVariables>
    + </block>
    + <inOutVariable localId="39" height="30" width="75" executionOrderId="0" negatedOut="false" negatedIn="false">
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    + <position x="520" y="1790"/>
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    + <connectionPointOut>
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    + <position x="190" y="2525"/>
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    + <position x="215" y="2565"/>
    + <position x="215" y="2525"/>
    + <position x="190" y="2525"/>
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    + </connectionPointIn>
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    + <expression>Second_Python_Var</expression>
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    + <position x="100" y="1385"/>
    + <connectionPointOut>
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    + <expression>1</expression>
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    + <block localId="61" typeName="function0" executionOrderId="0" height="45" width="111">
    + <position x="760" y="1170"/>
    + <inputVariables>
    + <variable formalParameter="LocalVar0">
    + <connectionPointIn>
    + <relPosition x="0" y="30"/>
    + <connection refLocalId="62">
    + <position x="760" y="1200"/>
    + <position x="723" y="1200"/>
    + </connection>
    + </connectionPointIn>
    + </variable>
    + </inputVariables>
    + <inOutVariables/>
    + <outputVariables>
    + <variable formalParameter="OUT">
    + <connectionPointOut>
    + <relPosition x="111" y="30"/>
    + </connectionPointOut>
    + </variable>
    + </outputVariables>
    + </block>
    + <inVariable localId="62" executionOrderId="0" height="30" width="58" negated="false">
    + <position x="665" y="1185"/>
    + <connectionPointOut>
    + <relPosition x="58" y="15"/>
    + </connectionPointOut>
    + <expression>fefvsd</expression>
    + </inVariable>
    + <outVariable localId="63" executionOrderId="0" height="30" width="58" negated="false">
    + <position x="905" y="1185"/>
    + <connectionPointIn>
    + <relPosition x="0" y="15"/>
    + <connection refLocalId="61" formalParameter="OUT">
    + <position x="905" y="1200"/>
    + <position x="871" y="1200"/>
    + </connection>
    + </connectionPointIn>
    + <expression>fefvsd</expression>
    + </outVariable>
    + <comment localId="53" height="80" width="420">
    + <position x="75" y="2160"/>
    + <content>
    + <xhtml:p><![CDATA[Shows global variables access from resource configuration (res_pytest) and from project's configuration.]]></xhtml:p>
    + </content>
    + </comment>
    + <inVariable localId="18" height="30" width="74" executionOrderId="0" negated="false">
    + <position x="986" y="795"/>
    + <connectionPointOut>
    + <relPosition x="74" y="15"/>
    + </connectionPointOut>
    + <expression>mux2_sel</expression>
    + </inVariable>
    + <comment localId="60" height="45" width="930">
    + <position x="60" y="1480"/>
    + <content>
    + <xhtml:p><![CDATA[Here is shown how to convert values between different types (BCD, DT, TOD, STRING and others) using standard functions.]]></xhtml:p>
    + </content>
    + </comment>
    + <comment localId="64" height="55" width="300">
    + <position x="665" y="1095"/>
    + <content>
    + <xhtml:p><![CDATA[Example of usage of user-defined function.]]></xhtml:p>
    + </content>
    + </comment>
    + <comment localId="65" height="45" width="410">
    + <position x="55" y="1315"/>
    + <content>
    + <xhtml:p><![CDATA[Shows access variable defined in python extension. ]]></xhtml:p>
    + </content>
    + </comment>
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    + <expression>Test_BCD_WRONG</expression>
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    + <block localId="67" width="106" height="100" typeName="BCD_TO_UINT" executionOrderId="0">
    + <position x="265" y="1620"/>
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    + <variable formalParameter="EN">
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    + <variable formalParameter="IN">
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    + <position x="255" y="1700"/>
    + <position x="255" y="1700"/>
    + <position x="345" y="1700"/>
    + <position x="345" y="1700"/>
    + <position x="197" y="1700"/>
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    + <variable formalParameter="OUT">
    + <connectionPointOut>
    + <relPosition x="106" y="80"/>
    + </connectionPointOut>
    + </variable>
    + </outputVariables>
    + </block>
    + <outVariable localId="68" height="30" width="196" executionOrderId="0" negated="false">
    + <position x="580" y="1685"/>
    + <connectionPointIn>
    + <relPosition x="0" y="15"/>
    + <connection refLocalId="67" formalParameter="OUT">
    + <position x="580" y="1700"/>
    + <position x="371" y="1700"/>
    + </connection>
    + </connectionPointIn>
    + <expression>Test_BCD_WRONG_RESULT</expression>
    + </outVariable>
    + <comment localId="69" height="165" width="375">
    + <position x="795" y="1590"/>
    + <content>
    + <xhtml:p><![CDATA[Incorrect BCD number is not converted to UINT.
    +
    +151 (16#97) is good BCD number , but
    +154 (16#9A) is not.
    +
    +Try this out and look at value of Test_BCD_CONVERTED variable.
    +
    +
    +]]></xhtml:p>
    + </content>
    + </comment>
    + <outVariable localId="70" height="30" width="185" executionOrderId="0" negated="false">
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    + <connectionPointIn>
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    + <connection refLocalId="67" formalParameter="ENO">
    + <position x="580" y="1660"/>
    + <position x="370" y="1660"/>
    + </connection>
    + </connectionPointIn>
    + <expression>Test_BCD_CONVERTED</expression>
    + </outVariable>
    + <comment localId="71" height="215" width="680">
    + <position x="35" y="30"/>
    + <content>
    + <xhtml:p><![CDATA[This example shows many features in Beremiz:
    +
    + 1. How to implement python extensions.
    + 2. How to implement basic C extension.
    + 3. How to use C code in IEC POUs.
    + 4. How to call C functions from python code.
    + 5. How to avoid race conditions between IEC, C and python code.
    + 6. How to convert betweet different IEC types.
    +]]></xhtml:p>
    + </content>
    + </comment>
    + <outVariable localId="72" executionOrderId="0" height="30" width="60" negated="false">
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    + <position x="1065" y="1985"/>
    + <position x="1025" y="1985"/>
    + <position x="1025" y="1995"/>
    + <position x="985" y="1995"/>
    + </connection>
    + </connectionPointIn>
    + <expression>Grumpf</expression>
    + </outVariable>
    + <inVariable localId="73" executionOrderId="0" height="30" width="85" negated="false">
    + <position x="625" y="1940"/>
    + <connectionPointOut>
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    + <expression>BOOL#TRUE</expression>
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    + <expression>Test_DT</expression>
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    + <inputVariables>
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    + <position x="760" y="1960"/>
    + <position x="735" y="1960"/>
    + <position x="735" y="1955"/>
    + <position x="710" y="1955"/>
    + </connection>
    + </connectionPointIn>
    + </variable>
    + <variable formalParameter="PDT">
    + <connectionPointIn>
    + <relPosition x="0" y="70"/>
    + <connection refLocalId="74">
    + <position x="760" y="1995"/>
    + <position x="727" y="1995"/>
    + <position x="727" y="1990"/>
    + <position x="695" y="1990"/>
    + </connection>
    + </connectionPointIn>
    + </variable>
    + </inputVariables>
    + <inOutVariables/>
    + <outputVariables>
    + <variable formalParameter="Q">
    + <connectionPointOut>
    + <relPosition x="65" y="35"/>
    + </connectionPointOut>
    + </variable>
    + <variable formalParameter="CDT">
    + <connectionPointOut>
    + <relPosition x="65" y="70"/>
    + </connectionPointOut>
    + </variable>
    + </outputVariables>
    + </block>
    + <block localId="76" typeName="DT_TO_STRING" executionOrderId="0" height="40" width="110">
    + <position x="875" y="1965"/>
    + <inputVariables>
    + <variable formalParameter="IN">
    + <connectionPointIn>
    + <relPosition x="0" y="30"/>
    + <connection refLocalId="75" formalParameter="CDT">
    + <position x="875" y="1995"/>
    + <position x="825" y="1995"/>
    + </connection>
    + </connectionPointIn>
    + </variable>
    + </inputVariables>
    + <inOutVariables/>
    + <outputVariables>
    + <variable formalParameter="OUT">
    + <connectionPointOut>
    + <relPosition x="110" y="30"/>
    + </connectionPointOut>
    + </variable>
    + </outputVariables>
    + </block>
    + <block localId="77" typeName="ADD" executionOrderId="0" height="60" width="65">
    + <position x="170" y="1370"/>
    + <inputVariables>
    + <variable formalParameter="IN1">
    + <connectionPointIn>
    + <relPosition x="0" y="30"/>
    + <connection refLocalId="59">
    + <position x="170" y="1400"/>
    + <position x="130" y="1400"/>
    + </connection>
    + </connectionPointIn>
    + </variable>
    + <variable formalParameter="IN2">
    + <connectionPointIn>
    + <relPosition x="0" y="50"/>
    + <connection refLocalId="78">
    + <position x="170" y="1420"/>
    + <position x="160" y="1420"/>
    + <position x="160" y="1450"/>
    + <position x="390" y="1450"/>
    + <position x="390" y="1400"/>
    + <position x="380" y="1400"/>
    + </connection>
    + </connectionPointIn>
    + </variable>
    + </inputVariables>
    + <inOutVariables/>
    + <outputVariables>
    + <variable formalParameter="OUT">
    + <connectionPointOut>
    + <relPosition x="65" y="30"/>
    + </connectionPointOut>
    + </variable>
    + </outputVariables>
    + </block>
    + <outVariable localId="47" executionOrderId="0" height="30" width="130" negated="false">
    + <position x="625" y="1335"/>
    + <connectionPointIn>
    + <relPosition x="0" y="15"/>
    + <connection refLocalId="79">
    + <position x="625" y="1350"/>
    + <position x="590" y="1350"/>
    + </connection>
    + </connectionPointIn>
    + <expression>Test_Python_Var</expression>
    + </outVariable>
    + <inVariable localId="79" executionOrderId="0" height="25" width="30" negated="false">
    + <position x="560" y="1340"/>
    + <connectionPointOut>
    + <relPosition x="30" y="10"/>
    + </connectionPointOut>
    + <expression>23</expression>
    + </inVariable>
    + <inOutVariable localId="78" executionOrderId="0" height="30" width="100" negatedOut="false" negatedIn="false">
    + <position x="280" y="1385"/>
    + <connectionPointIn>
    + <relPosition x="0" y="15"/>
    + <connection refLocalId="77" formalParameter="OUT">
    + <position x="280" y="1400"/>
    + <position x="235" y="1400"/>
    + </connection>
    + </connectionPointIn>
    + <connectionPointOut>
    + <relPosition x="100" y="15"/>
    + </connectionPointOut>
    + <expression>SomeVarName</expression>
    + </inOutVariable>
    + </FBD>
    + </body>
    + </pou>
    + <pou name="C_Pragma" pouType="functionBlock">
    + <interface>
    + <outputVars>
    + <variable name="OUT">
    + <type>
    + <SINT/>
    + </type>
    + </variable>
    + </outputVars>
    + <inputVars>
    + <variable name="IN">
    + <type>
    + <SINT/>
    + </type>
    + </variable>
    + </inputVars>
    + <localVars>
    + <variable name="COORDS">
    + <type>
    + <array>
    + <dimension lower="0" upper="5"/>
    + <baseType>
    + <SINT/>
    + </baseType>
    + </array>
    + </type>
    + <initialValue>
    + <arrayValue>
    + <value>
    + <simpleValue value="54"/>
    + </value>
    + <value>
    + <simpleValue value="55"/>
    + </value>
    + <value>
    + <simpleValue value="56"/>
    + </value>
    + <value>
    + <simpleValue value="57"/>
    + </value>
    + <value>
    + <simpleValue value="58"/>
    + </value>
    + <value>
    + <simpleValue value="59"/>
    + </value>
    + </arrayValue>
    + </initialValue>
    + </variable>
    + <variable name="SMURF">
    + <type>
    + <derived name="CPLX_TYPE"/>
    + </type>
    + </variable>
    + </localVars>
    + <externalVars>
    + <variable name="Global_RS">
    + <type>
    + <derived name="RS"/>
    + </type>
    + </variable>
    + <variable name="Dudiduda">
    + <type>
    + <derived name="blups"/>
    + </type>
    + </variable>
    + </externalVars>
    + </interface>
    + <body>
    + <ST>
    + <xhtml:p><![CDATA[(* hereafter is a C pragma accessing FB interface in a clean way *)
    +{{
    + char toPLC;
    + char fromPLC = GetFbVar(IN);
    + extern int PLC_C_Call(char, char *);
    + if(PLC_C_Call(fromPLC, &toPLC)){
    + SetFbVar(OUT, toPLC);
    + }
    + if(0){
    + /* that code demonstrate C access to complex types */
    + char somebyte = GetFbVar(COORDS, .table[3]);
    + SetFbVar(SMURF, somebyte, .FIRSTBYTE);
    + SetFbVar(COORDS, somebyte, .table[4]);
    + }
    +}}
    +(* If you do not use GetFbVar and SetFbVar macros, expect unexpected behaviour*)
    +Global_RS();
    +
    +(* testing access to global struct array *)
    +Dudiduda[2].FIRSTBYTE := 0;
    +]]></xhtml:p>
    + </ST>
    + </body>
    + </pou>
    + <pou name="norm" pouType="function">
    + <interface>
    + <returnType>
    + <REAL/>
    + </returnType>
    + <inputVars>
    + <variable name="IN1">
    + <type>
    + <REAL/>
    + </type>
    + </variable>
    + <variable name="IN2">
    + <type>
    + <REAL/>
    + </type>
    + </variable>
    + </inputVars>
    + </interface>
    + <body>
    + <ST>
    + <xhtml:p><![CDATA[NORM := SQRT(IN1 * IN1 + IN2 * IN2);]]></xhtml:p>
    + </ST>
    + </body>
    + </pou>
    + <pou name="function0" pouType="function">
    + <interface>
    + <returnType>
    + <derived name="datatype0"/>
    + </returnType>
    + <inputVars>
    + <variable name="LocalVar0">
    + <type>
    + <derived name="datatype0"/>
    + </type>
    + </variable>
    + </inputVars>
    + </interface>
    + <body>
    + <ST>
    + <xhtml:p><![CDATA[function0 := LocalVar0;
    +]]></xhtml:p>
    + </ST>
    + </body>
    + </pou>
    + </pous>
    + </types>
    + <instances>
    + <configurations>
    + <configuration name="config">
    + <resource name="res_pytest">
    + <task name="pytest_task" priority="0" interval="T#500ms"/>
    + <globalVars>
    + <variable name="TOTO">
    + <type>
    + <INT/>
    + </type>
    + </variable>
    + </globalVars>
    + <pouInstance name="pytest_instance" typeName="main_pytest"/>
    + </resource>
    + <globalVars>
    + <variable name="Global_RS">
    + <type>
    + <derived name="RS"/>
    + </type>
    + </variable>
    + <variable name="Dudiduda">
    + <type>
    + <derived name="blups"/>
    + </type>
    + </variable>
    + <variable name="TUTU">
    + <type>
    + <INT/>
    + </type>
    + </variable>
    + </globalVars>
    + </configuration>
    + </configurations>
    + </instances>
    +</project>
    --- /dev/null Thu Jan 01 00:00:00 1970 +0000
    +++ b/exemples/python/py_ext_0@py_ext/baseconfnode.xml Mon Sep 13 22:23:14 2021 +0200
    @@ -0,0 +1,2 @@
    +<?xml version='1.0' encoding='utf-8'?>
    +<BaseParams xmlns:xsd="http://www.w3.org/2001/XMLSchema" IEC_Channel="2" Name="py_ext_0"/>
    --- /dev/null Thu Jan 01 00:00:00 1970 +0000
    +++ b/exemples/python/py_ext_0@py_ext/pyfile.xml Mon Sep 13 22:23:14 2021 +0200
    @@ -0,0 +1,42 @@
    +<?xml version='1.0' encoding='utf-8'?>
    +<PyFile xmlns:xhtml="http://www.w3.org/1999/xhtml" xmlns:xsd="http://www.w3.org/2001/XMLSchema">
    + <variables>
    + <variable name="SomeVarName" type="DINT" onchange="MyFunc, SomeChange"/>
    + <variable name="Grumpf" type="STRING" initial="'mhoo'" onchange="MyFunc, MyOtherFunc"/>
    + </variables>
    + <globals>
    + <xhtml:p><![CDATA[
    +print "All python PLC globals variables :", PLCGlobalsDesc
    +print "Current extention name :", __ext_name__
    +
    +def MyFunc(*args):
    + print args
    +
    +def MyOtherFunc(*args):
    + print "other", args
    +
    +def SomeChange(*args):
    + print "count",OnChange.SomeVarName.count
    + print "first",OnChange.SomeVarName.first
    + print "last",OnChange.SomeVarName.last
    +
    +
    +]]></xhtml:p>
    + </globals>
    + <init>
    + <xhtml:p><![CDATA[
    +]]></xhtml:p>
    + </init>
    + <cleanup>
    + <xhtml:p><![CDATA[
    +]]></xhtml:p>
    + </cleanup>
    + <start>
    + <xhtml:p><![CDATA[
    +]]></xhtml:p>
    + </start>
    + <stop>
    + <xhtml:p><![CDATA[
    +]]></xhtml:p>
    + </stop>
    +</PyFile>
    --- /dev/null Thu Jan 01 00:00:00 1970 +0000
    +++ b/exemples/python/python@py_ext/baseconfnode.xml Mon Sep 13 22:23:14 2021 +0200
    @@ -0,0 +1,2 @@
    +<?xml version='1.0' encoding='utf-8'?>
    +<BaseParams Name="python" IEC_Channel="0"/>
    --- /dev/null Thu Jan 01 00:00:00 1970 +0000
    +++ b/exemples/python/python@py_ext/pyfile.xml Mon Sep 13 22:23:14 2021 +0200
    @@ -0,0 +1,69 @@
    +<?xml version='1.0' encoding='utf-8'?>
    +<PyFile xmlns:xhtml="http://www.w3.org/1999/xhtml">
    + <variables>
    + <variable name="Test_Python_Var" type="INT" initial="4"/>
    + <variable name="Second_Python_Var" type="INT" initial="5"/>
    + </variables>
    + <globals>
    + <xhtml:p><![CDATA[
    +import time,sys,ctypes
    +Python_to_C_Call = PLCBinary.Python_to_C_Call
    +Python_to_C_Call.restype = ctypes.c_int
    +Python_to_C_Call.argtypes = [ctypes.c_int, ctypes.POINTER(ctypes.c_int)]
    +
    +def MyPythonFunc(arg):
    + i = ctypes.c_int()
    + if(Python_to_C_Call(arg, i)):
    + res = i.value
    + print "toC:", arg, "from C:", res, "FBID:", FBID
    + else:
    + print "Failed Python_to_C_Call failed"
    + res = None
    + print "Python read PLC global :",PLCGlobals.Test_Python_Var
    + print "Python read PLC global Grumpf :",PLCGlobals.Grumpf
    + PLCGlobals.Second_Python_Var = 789
    + sys.stdout.flush()
    + return res
    +
    +async_error_test_code = """
    +def badaboom():
    + tuple()[0]
    +
    +import wx
    +def badaboomwx():
    + wx.CallAfter(badaboom)
    +
    +from threading import Timer
    +a = Timer(3, badaboom)
    +a.start()
    +
    +b = Timer(6, badaboomwx)
    +b.start()
    +"""
    +]]></xhtml:p>
    + </globals>
    + <init>
    + <xhtml:p><![CDATA[
    +global x, y
    +x = 2
    +y = 5
    +print "py_runtime init:", x, ",", y
    +]]></xhtml:p>
    + </init>
    + <cleanup>
    + <xhtml:p><![CDATA[
    +print "py_runtime cleanup"
    +]]></xhtml:p>
    + </cleanup>
    + <start>
    + <xhtml:p><![CDATA[
    +global x, y
    +print "py_runtime start", x * x + y * y
    +]]></xhtml:p>
    + </start>
    + <stop>
    + <xhtml:p><![CDATA[
    +print "py_runtime stop"
    +]]></xhtml:p>
    + </stop>
    +</PyFile>
    --- a/tests/first_steps/beremiz.xml Mon Sep 13 17:57:47 2021 +0200
    +++ /dev/null Thu Jan 01 00:00:00 1970 +0000
    @@ -1,5 +0,0 @@
    -<?xml version='1.0' encoding='utf-8'?>
    -<BeremizRoot xmlns:xsd="http://www.w3.org/2001/XMLSchema" URI_location="LOCAL://">
    - <TargetType/>
    - <Libraries Enable_Python_Library="false"/>
    -</BeremizRoot>
    --- a/tests/first_steps/plc.xml Mon Sep 13 17:57:47 2021 +0200
    +++ /dev/null Thu Jan 01 00:00:00 1970 +0000
    @@ -1,1160 +0,0 @@
    -<?xml version='1.0' encoding='utf-8'?>
    -<project xmlns:ns1="http://www.plcopen.org/xml/tc6_0201" xmlns:xhtml="http://www.w3.org/1999/xhtml" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns="http://www.plcopen.org/xml/tc6_0201">
    - <fileHeader companyName="Beremiz" productName="Beremiz" productVersion="1" creationDateTime="2016-10-24T18:09:22"/>
    - <contentHeader name="First Steps" modificationDateTime="2018-09-26T12:52:51">
    - <coordinateInfo>
    - <fbd>
    - <scaling x="0" y="0"/>
    - </fbd>
    - <ld>
    - <scaling x="0" y="0"/>
    - </ld>
    - <sfc>
    - <scaling x="0" y="0"/>
    - </sfc>
    - </coordinateInfo>
    - </contentHeader>
    - <types>
    - <dataTypes/>
    - <pous>
    - <pou name="AverageVal" pouType="function">
    - <interface>
    - <returnType>
    - <REAL/>
    - </returnType>
    - <inputVars>
    - <variable name="Cnt1">
    - <type>
    - <INT/>
    - </type>
    - </variable>
    - <variable name="Cnt2">
    - <type>
    - <INT/>
    - </type>
    - </variable>
    - <variable name="Cnt3">
    - <type>
    - <INT/>
    - </type>
    - </variable>
    - <variable name="Cnt4">
    - <type>
    - <INT/>
    - </type>
    - </variable>
    - <variable name="Cnt5">
    - <type>
    - <INT/>
    - </type>
    - </variable>
    - </inputVars>
    - <localVars>
    - <variable name="InputsNumber">
    - <type>
    - <REAL/>
    - </type>
    - <initialValue>
    - <simpleValue value="5.0"/>
    - </initialValue>
    - <documentation>
    - <xhtml:p><![CDATA[Количество входных значений]]></xhtml:p>
    - </documentation>
    - </variable>
    - </localVars>
    - </interface>
    - <body>
    - <ST>
    - <xhtml:p><![CDATA[AverageVal := INT_TO_REAL(Cnt1+Cnt2+Cnt3+Cnt4+Cnt5)/InputsNumber;]]></xhtml:p>
    - </ST>
    - </body>
    - </pou>
    - <pou name="plc_prg" pouType="program">
    - <interface>
    - <inputVars>
    - <variable name="Reset">
    - <type>
    - <BOOL/>
    - </type>
    - </variable>
    - </inputVars>
    - <outputVars>
    - <variable name="Cnt1">
    - <type>
    - <INT/>
    - </type>
    - </variable>
    - <variable name="Cnt2">
    - <type>
    - <INT/>
    - </type>
    - </variable>
    - <variable name="Cnt3">
    - <type>
    - <INT/>
    - </type>
    - </variable>
    - <variable name="Cnt4">
    - <type>
    - <INT/>
    - </type>
    - </variable>
    - <variable name="Cnt5">
    - <type>
    - <INT/>
    - </type>
    - </variable>
    - </outputVars>
    - <localVars>
    - <variable name="CounterST0">
    - <type>
    - <derived name="CounterST"/>
    - </type>
    - </variable>
    - <variable name="CounterFBD0">
    - <type>
    - <derived name="CounterFBD"/>
    - </type>
    - </variable>
    - <variable name="CounterSFC0">
    - <type>
    - <derived name="CounterSFC"/>
    - </type>
    - </variable>
    - <variable name="CounterIL0">
    - <type>
    - <derived name="CounterIL"/>
    - </type>
    - </variable>
    - <variable name="CounterLD0">
    - <type>
    - <derived name="CounterLD"/>
    - </type>
    - </variable>
    - <variable name="AVCnt">
    - <type>
    - <REAL/>
    - </type>
    - </variable>
    - </localVars>
    - </interface>
    - <body>
    - <FBD>
    - <block localId="1" typeName="CounterST" instanceName="CounterST0" executionOrderId="0" height="60" width="125">
    - <position x="207" y="53"/>
    - <inputVariables>
    - <variable formalParameter="Reset">
    - <connectionPointIn>
    - <relPosition x="0" y="40"/>
    - <connection refLocalId="2">
    - <position x="207" y="93"/>
    - <position x="114" y="93"/>
    - </connection>
    - </connectionPointIn>
    - </variable>
    - </inputVariables>
    - <inOutVariables/>
    - <outputVariables>
    - <variable formalParameter="OUT">
    - <connectionPointOut>
    - <relPosition x="125" y="40"/>
    - </connectionPointOut>
    - </variable>
    - </outputVariables>
    - </block>
    - <inVariable localId="2" executionOrderId="0" height="30" width="79" negated="false">
    - <position x="35" y="78"/>
    - <connectionPointOut>
    - <relPosition x="79" y="15"/>
    - </connectionPointOut>
    - <expression>Reset</expression>
    - </inVariable>
    - <block localId="4" typeName="CounterFBD" instanceName="CounterFBD0" executionOrderId="0" height="54" width="121">
    - <position x="211" y="146"/>
    - <inputVariables>
    - <variable formalParameter="Reset">
    - <connectionPointIn>
    - <relPosition x="0" y="37"/>
    - <connection refLocalId="13">
    - <position x="211" y="183"/>
    - <position x="115" y="183"/>
    - </connection>
    - </connectionPointIn>
    - </variable>
    - </inputVariables>
    - <inOutVariables/>
    - <outputVariables>
    - <variable formalParameter="OUT">
    - <connectionPointOut>
    - <relPosition x="121" y="37"/>
    - </connectionPointOut>
    - </variable>
    - </outputVariables>
    - </block>
    - <comment localId="6" height="365" width="569">
    - <position x="620" y="130"/>
    - <content>
    - <xhtml:p><![CDATA[In this example function block with the same functionality
    -is created using all five IEC 61131-3 programing languages:
    -- IL;
    -- FBD;
    -- LD;
    -- ST;
    -- SFC.
    -
    -
    -
    -
    -Function block is a counter with reset control input.
    -If reset is True counter value is reset to the value defined by
    -global configuration constant ResetCounterValue.
    -If reset is False, counter is incremented every cycle.
    -]]></xhtml:p>
    - </content>
    - </comment>
    - <block localId="7" typeName="CounterSFC" instanceName="CounterSFC0" executionOrderId="0" height="52" width="121">
    - <position x="211" y="237"/>
    - <inputVariables>
    - <variable formalParameter="Reset">
    - <connectionPointIn>
    - <relPosition x="0" y="36"/>
    - <connection refLocalId="12">
    - <position x="211" y="273"/>
    - <position x="103" y="273"/>
    - </connection>
    - </connectionPointIn>
    - </variable>
    - </inputVariables>
    - <inOutVariables/>
    - <outputVariables>
    - <variable formalParameter="OUT">
    - <connectionPointOut>
    - <relPosition x="121" y="36"/>
    - </connectionPointOut>
    - </variable>
    - </outputVariables>
    - </block>
    - <block localId="9" typeName="CounterIL" instanceName="CounterIL0" executionOrderId="0" height="62" width="121">
    - <position x="211" y="322"/>
    - <inputVariables>
    - <variable formalParameter="Reset">
    - <connectionPointIn>
    - <relPosition x="0" y="41"/>
    - <connection refLocalId="10">
    - <position x="211" y="363"/>
    - <position x="101" y="363"/>
    - </connection>
    - </connectionPointIn>
    - </variable>
    - </inputVariables>
    - <inOutVariables/>
    - <outputVariables>
    - <variable formalParameter="OUT">
    - <connectionPointOut>
    - <relPosition x="121" y="41"/>
    - </connectionPointOut>
    - </variable>
    - </outputVariables>
    - </block>
    - <inVariable localId="10" executionOrderId="0" height="30" width="67" negated="false">
    - <position x="34" y="348"/>
    - <connectionPointOut>
    - <relPosition x="67" y="15"/>
    - </connectionPointOut>
    - <expression>Reset</expression>
    - </inVariable>
    - <inVariable localId="12" executionOrderId="0" height="30" width="67" negated="false">
    - <position x="36" y="258"/>
    - <connectionPointOut>
    - <relPosition x="67" y="15"/>
    - </connectionPointOut>
    - <expression>Reset</expression>
    - </inVariable>
    - <inVariable localId="13" executionOrderId="0" height="30" width="79" negated="false">
    - <position x="36" y="168"/>
    - <connectionPointOut>
    - <relPosition x="79" y="15"/>
    - </connectionPointOut>
    - <expression>Reset</expression>
    - </inVariable>
    - <block localId="14" typeName="CounterLD" instanceName="CounterLD0" executionOrderId="0" height="62" width="124">
    - <position x="210" y="412"/>
    - <inputVariables>
    - <variable formalParameter="Reset">
    - <connectionPointIn>
    - <relPosition x="0" y="41"/>
    - <connection refLocalId="16">
    - <position x="210" y="453"/>
    - <position x="100" y="453"/>
    - </connection>
    - </connectionPointIn>
    - </variable>
    - </inputVariables>
    - <inOutVariables/>
    - <outputVariables>
    - <variable formalParameter="Out">
    - <connectionPointOut>
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    - <position x="501" y="134"/>
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    -
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    -ADD 1
    -JMP QuitFb
    -
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    -ST Out
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    - </connection>
    - </connectionPointIn>
    - </variable>
    - <variable formalParameter="IN2">
    - <connectionPointIn>
    - <relPosition x="0" y="65"/>
    - <connection refLocalId="3">
    - <position x="180" y="152"/>
    - <position x="169" y="152"/>
    - <position x="169" y="185"/>
    - <position x="453" y="185"/>
    - <position x="453" y="102"/>
    - <position x="443" y="102"/>
    - </connection>
    - </connectionPointIn>
    - </variable>
    - </inputVariables>
    - <inOutVariables/>
    - <outputVariables>
    - <variable formalParameter="OUT">
    - <connectionPointOut>
    - <relPosition x="67" y="35"/>
    - </connectionPointOut>
    - </variable>
    - </outputVariables>
    - </block>
    - <inVariable localId="5" executionOrderId="0" height="30" width="158" negated="false">
    - <position x="74" y="228"/>
    - <connectionPointOut>
    - <relPosition x="158" y="15"/>
    - </connectionPointOut>
    - <expression>ResetCounterValue</expression>
    - </inVariable>
    - <inVariable localId="6" executionOrderId="0" height="30" width="21" negated="false">
    - <position x="106" y="107"/>
    - <connectionPointOut>
    - <relPosition x="21" y="15"/>
    - </connectionPointOut>
    - <expression>1</expression>
    - </inVariable>
    - <block localId="7" typeName="SEL" executionOrderId="0" height="80" width="67">
    - <position x="300" y="72"/>
    - <inputVariables>
    - <variable formalParameter="G">
    - <connectionPointIn>
    - <relPosition x="0" y="30"/>
    - <connection refLocalId="9">
    - <position x="300" y="102"/>
    - <position x="266" y="102"/>
    - <position x="266" y="62"/>
    - <position x="134" y="62"/>
    - </connection>
    - </connectionPointIn>
    - </variable>
    - <variable formalParameter="IN0">
    - <connectionPointIn>
    - <relPosition x="0" y="50"/>
    - <connection refLocalId="4" formalParameter="OUT">
    - <position x="300" y="122"/>
    - <position x="247" y="122"/>
    - </connection>
    - </connectionPointIn>
    - </variable>
    - <variable formalParameter="IN1">
    - <connectionPointIn>
    - <relPosition x="0" y="70"/>
    - <connection refLocalId="5">
    - <position x="300" y="142"/>
    - <position x="266" y="142"/>
    - <position x="266" y="243"/>
    - <position x="232" y="243"/>
    - </connection>
    - </connectionPointIn>
    - </variable>
    - </inputVariables>
    - <inOutVariables/>
    - <outputVariables>
    - <variable formalParameter="OUT">
    - <connectionPointOut>
    - <relPosition x="67" y="30"/>
    - </connectionPointOut>
    - </variable>
    - </outputVariables>
    - </block>
    - <leftPowerRail localId="8" height="40" width="3">
    - <position x="46" y="42"/>
    - <connectionPointOut formalParameter="">
    - <relPosition x="3" y="20"/>
    - </connectionPointOut>
    - </leftPowerRail>
    - <contact localId="9" height="15" width="21" negated="false">
    - <position x="113" y="54"/>
    - <connectionPointIn>
    - <relPosition x="0" y="8"/>
    - <connection refLocalId="8">
    - <position x="113" y="62"/>
    - <position x="49" y="62"/>
    - </connection>
    - </connectionPointIn>
    - <connectionPointOut>
    - <relPosition x="21" y="8"/>
    - </connectionPointOut>
    - <variable>Reset</variable>
    - </contact>
    - </LD>
    - </body>
    - </pou>
    - </pous>
    - </types>
    - <instances>
    - <configurations>
    - <configuration name="config">
    - <resource name="resource1">
    - <task name="plc_task" priority="1" interval="T#100ms">
    - <pouInstance name="plc_task_instance" typeName="plc_prg"/>
    - </task>
    - </resource>
    - <globalVars constant="true">
    - <variable name="ResetCounterValue">
    - <type>
    - <INT/>
    - </type>
    - <initialValue>
    - <simpleValue value="17"/>
    - </initialValue>
    - </variable>
    - </globalVars>
    - </configuration>
    - </configurations>
    - </instances>
    -</project>
    --- a/tests/python/beremiz.xml Mon Sep 13 17:57:47 2021 +0200
    +++ /dev/null Thu Jan 01 00:00:00 1970 +0000
    @@ -1,5 +0,0 @@
    -<?xml version='1.0' encoding='utf-8'?>
    -<BeremizRoot URI_location="LOCAL://">
    - <TargetType/>
    - <Libraries Enable_Python_Library="true"/>
    -</BeremizRoot>
    --- a/tests/python/c_code@c_ext/baseconfnode.xml Mon Sep 13 17:57:47 2021 +0200
    +++ /dev/null Thu Jan 01 00:00:00 1970 +0000
    @@ -1,2 +0,0 @@
    -<?xml version='1.0' encoding='utf-8'?>
    -<BaseParams Name="c_code" IEC_Channel="1"/>
    --- a/tests/python/c_code@c_ext/cfile.xml Mon Sep 13 17:57:47 2021 +0200
    +++ /dev/null Thu Jan 01 00:00:00 1970 +0000
    @@ -1,75 +0,0 @@
    -<?xml version='1.0' encoding='utf-8'?>
    -<CFile xmlns:xhtml="http://www.w3.org/1999/xhtml">
    - <includes>
    - <xhtml:p><![CDATA[
    -]]></xhtml:p>
    - </includes>
    - <variables>
    - <variable name="TestInput" type="SINT" initial="0"/>
    - <variable name="TestOutput" type="SINT"/>
    - </variables>
    - <globals>
    - <xhtml:p><![CDATA[
    -volatile long Lock=0;
    -volatile char PtoC=1,CtoP=2;
    -
    -extern long AtomicCompareExchange(long*,long, long);
    -extern char *PLC_ID;
    -
    -int Simple_C_Call(int val){
    - return val+1;
    -}
    -
    -int Python_to_C_Call(char toC, char *fromC){
    - /* Code called by python should never touch to
    - variables modified by PLC thread directly
    -
    - AtomicCompareExchange comes from
    - beremiz' runtime implementation */
    -
    - int res = 0;
    - if(!AtomicCompareExchange((long*)&Lock, 0, 1)){
    - PtoC=toC;
    - *fromC=CtoP;
    - AtomicCompareExchange((long*)&Lock, 1, 0);
    - res=1;
    - }
    - printf("C code called by Python: toC %d fromC %d\n",toC,*fromC);
    - printf("PLC_ID id %s\n",PLC_ID);
    - return res;
    -}
    -
    -int PLC_C_Call(char fromPLC, char *toPLC){
    - /* PLC also have to be realy carefull not to
    - conflict with asynchronous python access */
    - if(!AtomicCompareExchange((long*)&Lock, 0, 1)){
    - CtoP = fromPLC;
    - *toPLC = PtoC;
    - AtomicCompareExchange((long*)&Lock, 1, 0);
    - return 1;
    - }
    - return 0;
    -}
    -]]></xhtml:p>
    - </globals>
    - <initFunction>
    - <xhtml:p><![CDATA[
    -]]></xhtml:p>
    - </initFunction>
    - <cleanUpFunction>
    - <xhtml:p><![CDATA[
    -]]></xhtml:p>
    - </cleanUpFunction>
    - <retrieveFunction>
    - <xhtml:p><![CDATA[
    -]]></xhtml:p>
    - </retrieveFunction>
    - <publishFunction>
    - <xhtml:p><![CDATA[
    -if(!AtomicCompareExchange((long*)&Lock, 0, 1)){
    - TestInput = CtoP + PtoC + TestOutput;
    - AtomicCompareExchange((long*)&Lock, 1, 0);
    -}
    -]]></xhtml:p>
    - </publishFunction>
    -</CFile>
    --- a/tests/python/c_code@c_ext/confnode.xml Mon Sep 13 17:57:47 2021 +0200
    +++ /dev/null Thu Jan 01 00:00:00 1970 +0000
    @@ -1,2 +0,0 @@
    -<?xml version='1.0' encoding='utf-8'?>
    -<CExtension CFLAGS="" LDFLAGS=""/>
    --- a/tests/python/plc.xml Mon Sep 13 17:57:47 2021 +0200
    +++ /dev/null Thu Jan 01 00:00:00 1970 +0000
    @@ -1,1644 +0,0 @@
    -<?xml version='1.0' encoding='utf-8'?>
    -<project xmlns="http://www.plcopen.org/xml/tc6_0201" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xhtml="http://www.w3.org/1999/xhtml" xsi:schemaLocation="http://www.plcopen.org/xml/tc6_0201">
    - <fileHeader companyName="" productName="Beremiz" productVersion="0.0" creationDateTime="2008-12-14T16:21:19" contentDescription="This example shows many features in Beremiz:&#10;&#10; 1. How to implement python extensions.&#10; 2. How to implement basic C extension.&#10; 3. How to use C code in IEC POUs.&#10; 4. How to call C functions from python code.&#10; 5. How to avoid race conditions between IEC, C and python code.&#10; 6. How to convert betweet different IEC types.&#10;"/>
    - <contentHeader name="Beremiz Python Support Tests" modificationDateTime="2020-10-19T23:53:08">
    - <coordinateInfo>
    - <pageSize x="1024" y="1024"/>
    - <fbd>
    - <scaling x="5" y="5"/>
    - </fbd>
    - <ld>
    - <scaling x="5" y="5"/>
    - </ld>
    - <sfc>
    - <scaling x="5" y="5"/>
    - </sfc>
    - </coordinateInfo>
    - </contentHeader>
    - <types>
    - <dataTypes>
    - <dataType name="CPLX_TYPE">
    - <baseType>
    - <struct>
    - <variable name="FIRSTBYTE">
    - <type>
    - <SINT/>
    - </type>
    - </variable>
    - <variable name="SECONDBYTE">
    - <type>
    - <SINT/>
    - </type>
    - </variable>
    - </struct>
    - </baseType>
    - </dataType>
    - <dataType name="StateMachine">
    - <baseType>
    - <enum>
    - <values>
    - <value name="STANDBY"/>
    - <value name="START"/>
    - <value name="STOP"/>
    - </values>
    - </enum>
    - </baseType>
    - </dataType>
    - <dataType name="datatype0">
    - <baseType>
    - <BOOL/>
    - </baseType>
    - </dataType>
    - <dataType name="blups">
    - <baseType>
    - <array>
    - <dimension lower="0" upper="31"/>
    - <baseType>
    - <derived name="CPLX_TYPE"/>
    - </baseType>
    - </array>
    - </baseType>
    - </dataType>
    - </dataTypes>
    - <pous>
    - <pou name="main_pytest" pouType="program">
    - <interface>
    - <localVars>
    - <variable name="mux1_sel">
    - <type>
    - <INT/>
    - </type>
    - <initialValue>
    - <simpleValue value="3"/>
    - </initialValue>
    - <documentation>
    - <xhtml:p><![CDATA[blah]]></xhtml:p>
    - </documentation>
    - </variable>
    - <variable name="mux2_sel">
    - <type>
    - <INT/>
    - </type>
    - <initialValue>
    - <simpleValue value="3"/>
    - </initialValue>
    - </variable>
    - <variable name="pytest_var1">
    - <type>
    - <string/>
    - </type>
    - </variable>
    - <variable name="fefvsd">
    - <type>
    - <derived name="datatype0"/>
    - </type>
    - </variable>
    - <variable name="pytest_var2">
    - <type>
    - <BOOL/>
    - </type>
    - </variable>
    - <variable name="py1">
    - <type>
    - <derived name="python_eval"/>
    - </type>
    - </variable>
    - <variable name="Block1">
    - <type>
    - <derived name="python_eval"/>
    - </type>
    - </variable>
    - <variable name="Block2">
    - <type>
    - <derived name="python_eval"/>
    - </type>
    - </variable>
    - <variable name="Block3">
    - <type>
    - <derived name="python_eval"/>
    - </type>
    - </variable>
    - <variable name="pytest_var3">
    - <type>
    - <BOOL/>
    - </type>
    - </variable>
    - <variable name="FromC">
    - <type>
    - <SINT/>
    - </type>
    - </variable>
    - <variable name="C_Pragma0">
    - <type>
    - <derived name="C_Pragma"/>
    - </type>
    - </variable>
    - </localVars>
    - <externalVars>
    - <variable name="TestInput">
    - <type>
    - <SINT/>
    - </type>
    - </variable>
    - <variable name="TestOutput">
    - <type>
    - <SINT/>
    - </type>
    - </variable>
    - </externalVars>
    - <localVars>
    - <variable name="FromInput">
    - <type>
    - <SINT/>
    - </type>
    - </variable>
    - <variable name="Test_BCD">
    - <type>
    - <WORD/>
    - </type>
    - <initialValue>
    - <simpleValue value="151"/>
    - </initialValue>
    - </variable>
    - <variable name="Test_BCD_WRONG">
    - <type>
    - <WORD/>
    - </type>
    - <initialValue>
    - <simpleValue value="154"/>
    - </initialValue>
    - </variable>
    - <variable name="Test_BCD_CONVERTED">
    - <type>
    - <BOOL/>
    - </type>
    - </variable>
    - <variable name="Test_BCD_RESULT">
    - <type>
    - <UINT/>
    - </type>
    - </variable>
    - <variable name="Test_BCD_WRONG_RESULT">
    - <type>
    - <UINT/>
    - </type>
    - </variable>
    - <variable name="Test_DT">
    - <type>
    - <DT/>
    - </type>
    - <initialValue>
    - <simpleValue value="DT#2013-02-23-22:35:46"/>
    - </initialValue>
    - </variable>
    - <variable name="Test_TOD">
    - <type>
    - <TOD/>
    - </type>
    - </variable>
    - <variable name="Test_TOD_STRING">
    - <type>
    - <string/>
    - </type>
    - </variable>
    - <variable name="Test_Date">
    - <type>
    - <DATE/>
    - </type>
    - </variable>
    - <variable name="Test_String">
    - <type>
    - <string/>
    - </type>
    - <initialValue>
    - <simpleValue value="test"/>
    - </initialValue>
    - </variable>
    - <variable name="Test_Bool">
    - <type>
    - <BOOL/>
    - </type>
    - </variable>
    - </localVars>
    - <externalVars>
    - <variable name="Global_RS">
    - <type>
    - <derived name="RS"/>
    - </type>
    - </variable>
    - <variable name="TUTU">
    - <type>
    - <INT/>
    - </type>
    - </variable>
    - <variable name="TOTO">
    - <type>
    - <INT/>
    - </type>
    - </variable>
    - <variable name="Test_Python_Var">
    - <type>
    - <INT/>
    - </type>
    - </variable>
    - <variable name="Second_Python_Var">
    - <type>
    - <INT/>
    - </type>
    - </variable>
    - <variable name="Grumpf">
    - <type>
    - <string/>
    - </type>
    - </variable>
    - </externalVars>
    - <localVars>
    - <variable name="RTC0">
    - <type>
    - <derived name="RTC"/>
    - </type>
    - </variable>
    - </localVars>
    - <externalVars>
    - <variable name="SomeVarName">
    - <type>
    - <DINT/>
    - </type>
    - </variable>
    - </externalVars>
    - </interface>
    - <body>
    - <FBD>
    - <inVariable localId="4" height="30" width="160" executionOrderId="0" negated="false">
    - <position x="295" y="450"/>
    - <connectionPointOut>
    - <relPosition x="160" y="15"/>
    - </connectionPointOut>
    - <expression>'666'</expression>
    - </inVariable>
    - <block localId="5" width="125" height="80" typeName="python_eval" instanceName="py1" executionOrderId="0">
    - <position x="686" y="400"/>
    - <inputVariables>
    - <variable formalParameter="TRIG">
    - <connectionPointIn>
    - <relPosition x="0" y="35"/>
    - <connection refLocalId="7" formalParameter="OUT">
    - <position x="686" y="435"/>
    - <position x="285" y="435"/>
    - <position x="285" y="480"/>
    - <position x="250" y="480"/>
    - </connection>
    - </connectionPointIn>
    - </variable>
    - <variable formalParameter="CODE">
    - <connectionPointIn>
    - <relPosition x="0" y="65"/>
    - <connection refLocalId="4">
    - <position x="686" y="465"/>
    - <position x="455" y="465"/>
    - </connection>
    - </connectionPointIn>
    - </variable>
    - </inputVariables>
    - <inOutVariables/>
    - <outputVariables>
    - <variable formalParameter="ACK">
    - <connectionPointOut>
    - <relPosition x="125" y="35"/>
    - </connectionPointOut>
    - </variable>
    - <variable formalParameter="RESULT">
    - <connectionPointOut>
    - <relPosition x="125" y="65"/>
    - </connectionPointOut>
    - </variable>
    - </outputVariables>
    - </block>
    - <block localId="7" width="70" height="45" typeName="NOT" executionOrderId="0">
    - <position x="180" y="450"/>
    - <inputVariables>
    - <variable formalParameter="IN">
    - <connectionPointIn>
    - <relPosition x="0" y="30"/>
    - <connection refLocalId="3">
    - <position x="180" y="480"/>
    - <position x="155" y="480"/>
    - </connection>
    - </connectionPointIn>
    - </variable>
    - </inputVariables>
    - <inOutVariables/>
    - <outputVariables>
    - <variable formalParameter="OUT">
    - <connectionPointOut>
    - <relPosition x="70" y="30"/>
    - </connectionPointOut>
    - </variable>
    - </outputVariables>
    - </block>
    - <inOutVariable localId="3" height="30" width="120" executionOrderId="0" negatedOut="false" negatedIn="false">
    - <position x="35" y="465"/>
    - <connectionPointIn>
    - <relPosition x="0" y="15"/>
    - <connection refLocalId="7" formalParameter="OUT">
    - <position x="35" y="480"/>
    - <position x="25" y="480"/>
    - <position x="25" y="440"/>
    - <position x="270" y="440"/>
    - <position x="270" y="480"/>
    - <position x="250" y="480"/>
    - </connection>
    - </connectionPointIn>
    - <connectionPointOut>
    - <relPosition x="120" y="15"/>
    - </connectionPointOut>
    - <expression>pytest_var2</expression>
    - </inOutVariable>
    - <block localId="8" width="125" height="80" typeName="python_eval" instanceName="Block1" executionOrderId="0">
    - <position x="686" y="545"/>
    - <inputVariables>
    - <variable formalParameter="TRIG">
    - <connectionPointIn>
    - <relPosition x="0" y="35"/>
    - <connection refLocalId="7" formalParameter="OUT">
    - <position x="686" y="580"/>
    - <position x="285" y="580"/>
    - <position x="285" y="480"/>
    - <position x="250" y="480"/>
    - </connection>
    - </connectionPointIn>
    - </variable>
    - <variable formalParameter="CODE">
    - <connectionPointIn>
    - <relPosition x="0" y="65"/>
    - <connection refLocalId="9">
    - <position x="686" y="610"/>
    - <position x="665" y="610"/>
    - </connection>
    - </connectionPointIn>
    - </variable>
    - </inputVariables>
    - <inOutVariables/>
    - <outputVariables>
    - <variable formalParameter="ACK">
    - <connectionPointOut>
    - <relPosition x="125" y="35"/>
    - </connectionPointOut>
    - </variable>
    - <variable formalParameter="RESULT">
    - <connectionPointOut>
    - <relPosition x="125" y="65"/>
    - </connectionPointOut>
    - </variable>
    - </outputVariables>
    - </block>
    - <inVariable localId="9" height="30" width="370" executionOrderId="0" negated="false">
    - <position x="295" y="595"/>
    - <connectionPointOut>
    - <relPosition x="370" y="15"/>
    - </connectionPointOut>
    - <expression>'sys.stdout.write("FBID :"+str(FBID)+"\n")'</expression>
    - </inVariable>
    - <inVariable localId="11" height="30" width="290" executionOrderId="0" negated="false">
    - <position x="295" y="735"/>
    - <connectionPointOut>
    - <relPosition x="290" y="15"/>
    - </connectionPointOut>
    - <expression>'PLCBinary.Simple_C_Call(5678)'</expression>
    - </inVariable>
    - <block localId="12" width="125" height="80" typeName="python_eval" instanceName="Block2" executionOrderId="0">
    - <position x="686" y="687"/>
    - <inputVariables>
    - <variable formalParameter="TRIG">
    - <connectionPointIn>
    - <relPosition x="0" y="33"/>
    - <connection refLocalId="7" formalParameter="OUT">
    - <position x="686" y="720"/>
    - <position x="285" y="720"/>
    - <position x="285" y="480"/>
    - <position x="250" y="480"/>
    - </connection>
    - </connectionPointIn>
    - </variable>
    - <variable formalParameter="CODE">
    - <connectionPointIn>
    - <relPosition x="0" y="63"/>
    - <connection refLocalId="11">
    - <position x="686" y="750"/>
    - <position x="585" y="750"/>
    - </connection>
    - </connectionPointIn>
    - </variable>
    - </inputVariables>
    - <inOutVariables/>
    - <outputVariables>
    - <variable formalParameter="ACK">
    - <connectionPointOut>
    - <relPosition x="125" y="33"/>
    - </connectionPointOut>
    - </variable>
    - <variable formalParameter="RESULT">
    - <connectionPointOut>
    - <relPosition x="125" y="63"/>
    - </connectionPointOut>
    - </variable>
    - </outputVariables>
    - </block>
    - <inVariable localId="14" height="30" width="290" executionOrderId="0" negated="false">
    - <position x="290" y="885"/>
    - <connectionPointOut>
    - <relPosition x="290" y="15"/>
    - </connectionPointOut>
    - <expression>'MyPythonFunc(42)'</expression>
    - </inVariable>
    - <block localId="15" width="125" height="80" typeName="python_eval" instanceName="Block3" executionOrderId="0">
    - <position x="686" y="837"/>
    - <inputVariables>
    - <variable formalParameter="TRIG">
    - <connectionPointIn>
    - <relPosition x="0" y="33"/>
    - <connection refLocalId="7" formalParameter="OUT">
    - <position x="686" y="870"/>
    - <position x="285" y="870"/>
    - <position x="285" y="480"/>
    - <position x="250" y="480"/>
    - </connection>
    - </connectionPointIn>
    - </variable>
    - <variable formalParameter="CODE">
    - <connectionPointIn>
    - <relPosition x="0" y="63"/>
    - <connection refLocalId="14">
    - <position x="686" y="900"/>
    - <position x="580" y="900"/>
    - </connection>
    - </connectionPointIn>
    - </variable>
    - </inputVariables>
    - <inOutVariables/>
    - <outputVariables>
    - <variable formalParameter="ACK">
    - <connectionPointOut>
    - <relPosition x="125" y="33"/>
    - </connectionPointOut>
    - </variable>
    - <variable formalParameter="RESULT">
    - <connectionPointOut>
    - <relPosition x="125" y="63"/>
    - </connectionPointOut>
    - </variable>
    - </outputVariables>
    - </block>
    - <comment localId="16" height="90" width="680">
    - <position x="35" y="275"/>
    - <content>
    - <xhtml:p><![CDATA[This part of the example test that, despite of 2T period clock stimulating TRIG pin of pyth_eval blocks, blocks keep executing one after the other, in respect of execution order.]]></xhtml:p>
    - </content>
    - </comment>
    - <block localId="17" width="80" height="120" typeName="MUX" executionOrderId="0">
    - <position x="1101" y="790"/>
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    -Happy hacking! ]]></xhtml:p>
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    - <xhtml:p><![CDATA[Sleep here is bad. It blocks other py_eval instances. Whith a wxGlade GUI, GUI freeze for a second.]]></xhtml:p>
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    - <xhtml:p><![CDATA[Prints FBID to stdout of PLC runtime. FBID is a unique reference to py_eval instance.]]></xhtml:p>
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    - <xhtml:p><![CDATA[Simple_C_Call is declared in C_File "1.x:c_code". See python ctypes manual for details on typing.]]></xhtml:p>
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    - <xhtml:p><![CDATA[Fast clock, at least faster that sleep(1). See what happens when python takes time to answer : PLC continues.]]></xhtml:p>
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    - <expression>Second_Python_Var</expression>
    - </inVariable>
    - <inVariable localId="59" height="30" width="30" executionOrderId="0" negated="false">
    - <position x="100" y="1385"/>
    - <connectionPointOut>
    - <relPosition x="30" y="15"/>
    - </connectionPointOut>
    - <expression>1</expression>
    - </inVariable>
    - <block localId="61" typeName="function0" executionOrderId="0" height="45" width="111">
    - <position x="760" y="1170"/>
    - <inputVariables>
    - <variable formalParameter="LocalVar0">
    - <connectionPointIn>
    - <relPosition x="0" y="30"/>
    - <connection refLocalId="62">
    - <position x="760" y="1200"/>
    - <position x="723" y="1200"/>
    - </connection>
    - </connectionPointIn>
    - </variable>
    - </inputVariables>
    - <inOutVariables/>
    - <outputVariables>
    - <variable formalParameter="OUT">
    - <connectionPointOut>
    - <relPosition x="111" y="30"/>
    - </connectionPointOut>
    - </variable>
    - </outputVariables>
    - </block>
    - <inVariable localId="62" executionOrderId="0" height="30" width="58" negated="false">
    - <position x="665" y="1185"/>
    - <connectionPointOut>
    - <relPosition x="58" y="15"/>
    - </connectionPointOut>
    - <expression>fefvsd</expression>
    - </inVariable>
    - <outVariable localId="63" executionOrderId="0" height="30" width="58" negated="false">
    - <position x="905" y="1185"/>
    - <connectionPointIn>
    - <relPosition x="0" y="15"/>
    - <connection refLocalId="61" formalParameter="OUT">
    - <position x="905" y="1200"/>
    - <position x="871" y="1200"/>
    - </connection>
    - </connectionPointIn>
    - <expression>fefvsd</expression>
    - </outVariable>
    - <comment localId="53" height="80" width="420">
    - <position x="75" y="2160"/>
    - <content>
    - <xhtml:p><![CDATA[Shows global variables access from resource configuration (res_pytest) and from project's configuration.]]></xhtml:p>
    - </content>
    - </comment>
    - <inVariable localId="18" height="30" width="74" executionOrderId="0" negated="false">
    - <position x="986" y="795"/>
    - <connectionPointOut>
    - <relPosition x="74" y="15"/>
    - </connectionPointOut>
    - <expression>mux2_sel</expression>
    - </inVariable>
    - <comment localId="60" height="45" width="930">
    - <position x="60" y="1480"/>
    - <content>
    - <xhtml:p><![CDATA[Here is shown how to convert values between different types (BCD, DT, TOD, STRING and others) using standard functions.]]></xhtml:p>
    - </content>
    - </comment>
    - <comment localId="64" height="55" width="300">
    - <position x="665" y="1095"/>
    - <content>
    - <xhtml:p><![CDATA[Example of usage of user-defined function.]]></xhtml:p>
    - </content>
    - </comment>
    - <comment localId="65" height="45" width="410">
    - <position x="55" y="1315"/>
    - <content>
    - <xhtml:p><![CDATA[Shows access variable defined in python extension. ]]></xhtml:p>
    - </content>
    - </comment>
    - <inVariable localId="66" height="30" width="137" executionOrderId="0" negated="false">
    - <position x="60" y="1685"/>
    - <connectionPointOut>
    - <relPosition x="137" y="15"/>
    - </connectionPointOut>
    - <expression>Test_BCD_WRONG</expression>
    - </inVariable>
    - <block localId="67" width="106" height="100" typeName="BCD_TO_UINT" executionOrderId="0">
    - <position x="265" y="1620"/>
    - <inputVariables>
    - <variable formalParameter="EN">
    - <connectionPointIn>
    - <relPosition x="0" y="40"/>
    - </connectionPointIn>
    - </variable>
    - <variable formalParameter="IN">
    - <connectionPointIn>
    - <relPosition x="0" y="80"/>
    - <connection refLocalId="66">
    - <position x="265" y="1700"/>
    - <position x="255" y="1700"/>
    - <position x="255" y="1700"/>
    - <position x="345" y="1700"/>
    - <position x="345" y="1700"/>
    - <position x="197" y="1700"/>
    - </connection>
    - </connectionPointIn>
    - </variable>
    - </inputVariables>
    - <inOutVariables/>
    - <outputVariables>
    - <variable formalParameter="ENO">
    - <connectionPointOut>
    - <relPosition x="106" y="40"/>
    - </connectionPointOut>
    - </variable>
    - <variable formalParameter="OUT">
    - <connectionPointOut>
    - <relPosition x="106" y="80"/>
    - </connectionPointOut>
    - </variable>
    - </outputVariables>
    - </block>
    - <outVariable localId="68" height="30" width="196" executionOrderId="0" negated="false">
    - <position x="580" y="1685"/>
    - <connectionPointIn>
    - <relPosition x="0" y="15"/>
    - <connection refLocalId="67" formalParameter="OUT">
    - <position x="580" y="1700"/>
    - <position x="371" y="1700"/>
    - </connection>
    - </connectionPointIn>
    - <expression>Test_BCD_WRONG_RESULT</expression>
    - </outVariable>
    - <comment localId="69" height="165" width="375">
    - <position x="795" y="1590"/>
    - <content>
    - <xhtml:p><![CDATA[Incorrect BCD number is not converted to UINT.
    -
    -151 (16#97) is good BCD number , but
    -154 (16#9A) is not.
    -
    -Try this out and look at value of Test_BCD_CONVERTED variable.
    -
    -
    -]]></xhtml:p>
    - </content>
    - </comment>
    - <outVariable localId="70" height="30" width="185" executionOrderId="0" negated="false">
    - <position x="580" y="1645"/>
    - <connectionPointIn>
    - <relPosition x="0" y="15"/>
    - <connection refLocalId="67" formalParameter="ENO">
    - <position x="580" y="1660"/>
    - <position x="370" y="1660"/>
    - </connection>
    - </connectionPointIn>
    - <expression>Test_BCD_CONVERTED</expression>
    - </outVariable>
    - <comment localId="71" height="215" width="680">
    - <position x="35" y="30"/>
    - <content>
    - <xhtml:p><![CDATA[This example shows many features in Beremiz:
    -
    - 1. How to implement python extensions.
    - 2. How to implement basic C extension.
    - 3. How to use C code in IEC POUs.
    - 4. How to call C functions from python code.
    - 5. How to avoid race conditions between IEC, C and python code.
    - 6. How to convert betweet different IEC types.
    -]]></xhtml:p>
    - </content>
    - </comment>
    - <outVariable localId="72" executionOrderId="0" height="30" width="60" negated="false">
    - <position x="1065" y="1970"/>
    - <connectionPointIn>
    - <relPosition x="0" y="15"/>
    - <connection refLocalId="76" formalParameter="OUT">
    - <position x="1065" y="1985"/>
    - <position x="1025" y="1985"/>
    - <position x="1025" y="1995"/>
    - <position x="985" y="1995"/>
    - </connection>
    - </connectionPointIn>
    - <expression>Grumpf</expression>
    - </outVariable>
    - <inVariable localId="73" executionOrderId="0" height="30" width="85" negated="false">
    - <position x="625" y="1940"/>
    - <connectionPointOut>
    - <relPosition x="85" y="15"/>
    - </connectionPointOut>
    - <expression>BOOL#TRUE</expression>
    - </inVariable>
    - <inVariable localId="74" executionOrderId="0" height="30" width="70" negated="false">
    - <position x="625" y="1975"/>
    - <connectionPointOut>
    - <relPosition x="70" y="15"/>
    - </connectionPointOut>
    - <expression>Test_DT</expression>
    - </inVariable>
    - <block localId="75" typeName="RTC" instanceName="RTC0" executionOrderId="0" height="90" width="65">
    - <position x="760" y="1925"/>
    - <inputVariables>
    - <variable formalParameter="IN">
    - <connectionPointIn>
    - <relPosition x="0" y="35"/>
    - <connection refLocalId="73">
    - <position x="760" y="1960"/>
    - <position x="735" y="1960"/>
    - <position x="735" y="1955"/>
    - <position x="710" y="1955"/>
    - </connection>
    - </connectionPointIn>
    - </variable>
    - <variable formalParameter="PDT">
    - <connectionPointIn>
    - <relPosition x="0" y="70"/>
    - <connection refLocalId="74">
    - <position x="760" y="1995"/>
    - <position x="727" y="1995"/>
    - <position x="727" y="1990"/>
    - <position x="695" y="1990"/>
    - </connection>
    - </connectionPointIn>
    - </variable>
    - </inputVariables>
    - <inOutVariables/>
    - <outputVariables>
    - <variable formalParameter="Q">
    - <connectionPointOut>
    - <relPosition x="65" y="35"/>
    - </connectionPointOut>
    - </variable>
    - <variable formalParameter="CDT">
    - <connectionPointOut>
    - <relPosition x="65" y="70"/>
    - </connectionPointOut>
    - </variable>
    - </outputVariables>
    - </block>
    - <block localId="76" typeName="DT_TO_STRING" executionOrderId="0" height="40" width="110">
    - <position x="875" y="1965"/>
    - <inputVariables>
    - <variable formalParameter="IN">
    - <connectionPointIn>
    - <relPosition x="0" y="30"/>
    - <connection refLocalId="75" formalParameter="CDT">
    - <position x="875" y="1995"/>
    - <position x="825" y="1995"/>
    - </connection>
    - </connectionPointIn>
    - </variable>
    - </inputVariables>
    - <inOutVariables/>
    - <outputVariables>
    - <variable formalParameter="OUT">
    - <connectionPointOut>
    - <relPosition x="110" y="30"/>
    - </connectionPointOut>
    - </variable>
    - </outputVariables>
    - </block>
    - <block localId="77" typeName="ADD" executionOrderId="0" height="60" width="65">
    - <position x="170" y="1370"/>
    - <inputVariables>
    - <variable formalParameter="IN1">
    - <connectionPointIn>
    - <relPosition x="0" y="30"/>
    - <connection refLocalId="59">
    - <position x="170" y="1400"/>
    - <position x="130" y="1400"/>
    - </connection>
    - </connectionPointIn>
    - </variable>
    - <variable formalParameter="IN2">
    - <connectionPointIn>
    - <relPosition x="0" y="50"/>
    - <connection refLocalId="78">
    - <position x="170" y="1420"/>
    - <position x="160" y="1420"/>
    - <position x="160" y="1450"/>
    - <position x="390" y="1450"/>
    - <position x="390" y="1400"/>
    - <position x="380" y="1400"/>
    - </connection>
    - </connectionPointIn>
    - </variable>
    - </inputVariables>
    - <inOutVariables/>
    - <outputVariables>
    - <variable formalParameter="OUT">
    - <connectionPointOut>
    - <relPosition x="65" y="30"/>
    - </connectionPointOut>
    - </variable>
    - </outputVariables>
    - </block>
    - <outVariable localId="47" executionOrderId="0" height="30" width="130" negated="false">
    - <position x="625" y="1335"/>
    - <connectionPointIn>
    - <relPosition x="0" y="15"/>
    - <connection refLocalId="79">
    - <position x="625" y="1350"/>
    - <position x="590" y="1350"/>
    - </connection>
    - </connectionPointIn>
    - <expression>Test_Python_Var</expression>
    - </outVariable>
    - <inVariable localId="79" executionOrderId="0" height="25" width="30" negated="false">
    - <position x="560" y="1340"/>
    - <connectionPointOut>
    - <relPosition x="30" y="10"/>
    - </connectionPointOut>
    - <expression>23</expression>
    - </inVariable>
    - <inOutVariable localId="78" executionOrderId="0" height="30" width="100" negatedOut="false" negatedIn="false">
    - <position x="280" y="1385"/>
    - <connectionPointIn>
    - <relPosition x="0" y="15"/>
    - <connection refLocalId="77" formalParameter="OUT">
    - <position x="280" y="1400"/>
    - <position x="235" y="1400"/>
    - </connection>
    - </connectionPointIn>
    - <connectionPointOut>
    - <relPosition x="100" y="15"/>
    - </connectionPointOut>
    - <expression>SomeVarName</expression>
    - </inOutVariable>
    - </FBD>
    - </body>
    - </pou>
    - <pou name="C_Pragma" pouType="functionBlock">
    - <interface>
    - <outputVars>
    - <variable name="OUT">
    - <type>
    - <SINT/>
    - </type>
    - </variable>
    - </outputVars>
    - <inputVars>
    - <variable name="IN">
    - <type>
    - <SINT/>
    - </type>
    - </variable>
    - </inputVars>
    - <localVars>
    - <variable name="COORDS">
    - <type>
    - <array>
    - <dimension lower="0" upper="5"/>
    - <baseType>
    - <SINT/>
    - </baseType>
    - </array>
    - </type>
    - <initialValue>
    - <arrayValue>
    - <value>
    - <simpleValue value="54"/>
    - </value>
    - <value>
    - <simpleValue value="55"/>
    - </value>
    - <value>
    - <simpleValue value="56"/>
    - </value>
    - <value>
    - <simpleValue value="57"/>
    - </value>
    - <value>
    - <simpleValue value="58"/>
    - </value>
    - <value>
    - <simpleValue value="59"/>
    - </value>
    - </arrayValue>
    - </initialValue>
    - </variable>
    - <variable name="SMURF">
    - <type>
    - <derived name="CPLX_TYPE"/>
    - </type>
    - </variable>
    - </localVars>
    - <externalVars>
    - <variable name="Global_RS">
    - <type>
    - <derived name="RS"/>
    - </type>
    - </variable>
    - <variable name="Dudiduda">
    - <type>
    - <derived name="blups"/>
    - </type>
    - </variable>
    - </externalVars>
    - </interface>
    - <body>
    - <ST>
    - <xhtml:p><![CDATA[(* hereafter is a C pragma accessing FB interface in a clean way *)
    -{{
    - char toPLC;
    - char fromPLC = GetFbVar(IN);
    - extern int PLC_C_Call(char, char *);
    - if(PLC_C_Call(fromPLC, &toPLC)){
    - SetFbVar(OUT, toPLC);
    - }
    - if(0){
    - /* that code demonstrate C access to complex types */
    - char somebyte = GetFbVar(COORDS, .table[3]);
    - SetFbVar(SMURF, somebyte, .FIRSTBYTE);
    - SetFbVar(COORDS, somebyte, .table[4]);
    - }
    -}}
    -(* If you do not use GetFbVar and SetFbVar macros, expect unexpected behaviour*)
    -Global_RS();
    -
    -(* testing access to global struct array *)
    -Dudiduda[2].FIRSTBYTE := 0;
    -]]></xhtml:p>
    - </ST>
    - </body>
    - </pou>
    - <pou name="norm" pouType="function">
    - <interface>
    - <returnType>
    - <REAL/>
    - </returnType>
    - <inputVars>
    - <variable name="IN1">
    - <type>
    - <REAL/>
    - </type>
    - </variable>
    - <variable name="IN2">
    - <type>
    - <REAL/>
    - </type>
    - </variable>
    - </inputVars>
    - </interface>
    - <body>
    - <ST>
    - <xhtml:p><![CDATA[NORM := SQRT(IN1 * IN1 + IN2 * IN2);]]></xhtml:p>
    - </ST>
    - </body>
    - </pou>
    - <pou name="function0" pouType="function">
    - <interface>
    - <returnType>
    - <derived name="datatype0"/>
    - </returnType>
    - <inputVars>
    - <variable name="LocalVar0">
    - <type>
    - <derived name="datatype0"/>
    - </type>
    - </variable>
    - </inputVars>
    - </interface>
    - <body>
    - <ST>
    - <xhtml:p><![CDATA[function0 := LocalVar0;
    -]]></xhtml:p>
    - </ST>
    - </body>
    - </pou>
    - </pous>
    - </types>
    - <instances>
    - <configurations>
    - <configuration name="config">
    - <resource name="res_pytest">
    - <task name="pytest_task" priority="0" interval="T#500ms"/>
    - <globalVars>
    - <variable name="TOTO">
    - <type>
    - <INT/>
    - </type>
    - </variable>
    - </globalVars>
    - <pouInstance name="pytest_instance" typeName="main_pytest"/>
    - </resource>
    - <globalVars>
    - <variable name="Global_RS">
    - <type>
    - <derived name="RS"/>
    - </type>
    - </variable>
    - <variable name="Dudiduda">
    - <type>
    - <derived name="blups"/>
    - </type>
    - </variable>
    - <variable name="TUTU">
    - <type>
    - <INT/>
    - </type>
    - </variable>
    - </globalVars>
    - </configuration>
    - </configurations>
    - </instances>
    -</project>
    --- a/tests/python/py_ext_0@py_ext/baseconfnode.xml Mon Sep 13 17:57:47 2021 +0200
    +++ /dev/null Thu Jan 01 00:00:00 1970 +0000
    @@ -1,2 +0,0 @@
    -<?xml version='1.0' encoding='utf-8'?>
    -<BaseParams xmlns:xsd="http://www.w3.org/2001/XMLSchema" IEC_Channel="2" Name="py_ext_0"/>
    --- a/tests/python/py_ext_0@py_ext/pyfile.xml Mon Sep 13 17:57:47 2021 +0200
    +++ /dev/null Thu Jan 01 00:00:00 1970 +0000
    @@ -1,42 +0,0 @@
    -<?xml version='1.0' encoding='utf-8'?>
    -<PyFile xmlns:xhtml="http://www.w3.org/1999/xhtml" xmlns:xsd="http://www.w3.org/2001/XMLSchema">
    - <variables>
    - <variable name="SomeVarName" type="DINT" onchange="MyFunc, SomeChange"/>
    - <variable name="Grumpf" type="STRING" initial="'mhoo'" onchange="MyFunc, MyOtherFunc"/>
    - </variables>
    - <globals>
    - <xhtml:p><![CDATA[
    -print "All python PLC globals variables :", PLCGlobalsDesc
    -print "Current extention name :", __ext_name__
    -
    -def MyFunc(*args):
    - print args
    -
    -def MyOtherFunc(*args):
    - print "other", args
    -
    -def SomeChange(*args):
    - print "count",OnChange.SomeVarName.count
    - print "first",OnChange.SomeVarName.first
    - print "last",OnChange.SomeVarName.last
    -
    -
    -]]></xhtml:p>
    - </globals>
    - <init>
    - <xhtml:p><![CDATA[
    -]]></xhtml:p>
    - </init>
    - <cleanup>
    - <xhtml:p><![CDATA[
    -]]></xhtml:p>
    - </cleanup>
    - <start>
    - <xhtml:p><![CDATA[
    -]]></xhtml:p>
    - </start>
    - <stop>
    - <xhtml:p><![CDATA[
    -]]></xhtml:p>
    - </stop>
    -</PyFile>
    --- a/tests/python/python@py_ext/baseconfnode.xml Mon Sep 13 17:57:47 2021 +0200
    +++ /dev/null Thu Jan 01 00:00:00 1970 +0000
    @@ -1,2 +0,0 @@
    -<?xml version='1.0' encoding='utf-8'?>
    -<BaseParams Name="python" IEC_Channel="0"/>
    --- a/tests/python/python@py_ext/pyfile.xml Mon Sep 13 17:57:47 2021 +0200
    +++ /dev/null Thu Jan 01 00:00:00 1970 +0000
    @@ -1,69 +0,0 @@
    -<?xml version='1.0' encoding='utf-8'?>
    -<PyFile xmlns:xhtml="http://www.w3.org/1999/xhtml">
    - <variables>
    - <variable name="Test_Python_Var" type="INT" initial="4"/>
    - <variable name="Second_Python_Var" type="INT" initial="5"/>
    - </variables>
    - <globals>
    - <xhtml:p><![CDATA[
    -import time,sys,ctypes
    -Python_to_C_Call = PLCBinary.Python_to_C_Call
    -Python_to_C_Call.restype = ctypes.c_int
    -Python_to_C_Call.argtypes = [ctypes.c_int, ctypes.POINTER(ctypes.c_int)]
    -
    -def MyPythonFunc(arg):
    - i = ctypes.c_int()
    - if(Python_to_C_Call(arg, i)):
    - res = i.value
    - print "toC:", arg, "from C:", res, "FBID:", FBID
    - else:
    - print "Failed Python_to_C_Call failed"
    - res = None
    - print "Python read PLC global :",PLCGlobals.Test_Python_Var
    - print "Python read PLC global Grumpf :",PLCGlobals.Grumpf
    - PLCGlobals.Second_Python_Var = 789
    - sys.stdout.flush()
    - return res
    -
    -async_error_test_code = """
    -def badaboom():
    - tuple()[0]
    -
    -import wx
    -def badaboomwx():
    - wx.CallAfter(badaboom)
    -
    -from threading import Timer
    -a = Timer(3, badaboom)
    -a.start()
    -
    -b = Timer(6, badaboomwx)
    -b.start()
    -"""
    -]]></xhtml:p>
    - </globals>
    - <init>
    - <xhtml:p><![CDATA[
    -global x, y
    -x = 2
    -y = 5
    -print "py_runtime init:", x, ",", y
    -]]></xhtml:p>
    - </init>
    - <cleanup>
    - <xhtml:p><![CDATA[
    -print "py_runtime cleanup"
    -]]></xhtml:p>
    - </cleanup>
    - <start>
    - <xhtml:p><![CDATA[
    -global x, y
    -print "py_runtime start", x * x + y * y
    -]]></xhtml:p>
    - </start>
    - <stop>
    - <xhtml:p><![CDATA[
    -print "py_runtime stop"
    -]]></xhtml:p>
    - </stop>
    -</PyFile>