SVGHMI: add "unsubscribable" property to widgets in order to generalize what already happens for jump buttons.
In most cases jump buttons do not really subscribe to pointed HMI variable, path is given as a relative page jump path. When widget.unsubscribable is set to true, no subscription is made on page switch, but still offset is updated.
This fixes bug happening on relative jump buttons without "disabled" element where offset did not change on relative page switch.
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<content>
<xhtml:p><![CDATA[Always consume some energy]]></xhtml:p>
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<content>
<xhtml:p><![CDATA[Simple sensor simulation]]></xhtml:p>
</content>
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<content>
<xhtml:p><![CDATA[Climate control]]></xhtml:p>
</content>
</comment>
<comment localId="30" height="464" width="773">
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<content>
<xhtml:p><![CDATA[This examples shows how to work with BACnet extension.
Extensions requires native BACnet stack to be installed nearby Beremiz.
Following directory structure is expected:
<Parent directory>
"beremiz"
"BACnet"
If library is installed elsewhere, then place corresponding paths
in CFLAGS/LDFLAGS in project settings.
For GNU/Linux to install BACnet library in parent directory run following commands:
$ svn checkout https://svn.code.sf.net/p/bacnet/code/trunk/bacnet-stack/ BACnet
$ cd BACnet
$ make
After that BACnet extension is ready to be used in Beremiz projects.
BACnet stack implementation contains a lot of test tools. They could be useful during
debugging and BACnet investigation. See "BACnet/bin/readme.txt" for more information about them.]]></xhtml:p>
</content>
</comment>
</FBD>
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<pou name="Simulator" pouType="functionBlock">
<interface>
<outputVars>
<variable name="Out">
<type>
<REAL/>
</type>
</variable>
</outputVars>
<inputVars>
<variable name="MinVal">
<type>
<REAL/>
</type>
</variable>
<variable name="MaxVal">
<type>
<REAL/>
</type>
</variable>
<variable name="PeriodSeconds">
<type>
<INT/>
</type>
</variable>
</inputVars>
<localVars>
<variable name="TON0">
<type>
<derived name="TON"/>
</type>
</variable>
<variable name="seconds">
<type>
<INT/>
</type>
</variable>
<variable name="BaseVal">
<type>
<REAL/>
</type>
</variable>
<variable name="VarVal">
<type>
<REAL/>
</type>
</variable>
</localVars>
</interface>
<body>
<ST>
<xhtml:p><![CDATA[(* pseudo-random variations *)
TON0(IN := TRUE, PT := T#3120s);
IF TON0.Q THEN
TON0(IN := FALSE);
END_IF;
seconds := TIME_TO_INT(TON0.ET);
BaseVal := (MaxVal + MinVal)/2.0;
VarVal := (MaxVal-MinVal)*INT_TO_REAL((seconds MOD PeriodSeconds) - (PeriodSeconds/2))/INT_TO_REAL(PeriodSeconds);
Out := BaseVal + VarVal;]]></xhtml:p>
</ST>
</body>
</pou>
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<configurations>
<configuration name="config">
<resource name="resource1">
<task name="task0" priority="0" interval="T#20ms">
<pouInstance name="instance0" typeName="program0"/>
</task>
</resource>
</configuration>
</configurations>
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