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<xhtml:p><![CDATA[This 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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<xhtml:p><![CDATA[You will be ready to use beremiz with C and Python when you will understand why "FromInput" is equal to 75.
Enjoy. ]]></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>Test_TOD_STRING</expression>
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<pou name="C_Pragma" pouType="functionBlock">
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<variable name="OUT">
<type>
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<inputVars>
<variable name="IN">
<type>
<SINT/>
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<localVars>
<variable name="COORDS">
<type>
<array>
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<baseType>
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</type>
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<value>
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<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 __GET_VAR and _SET_VAR macro, expect unexpected *)
Global_RS();
]]></xhtml:p>
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<pou name="norm" pouType="function">
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<returnType>
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<variable name="IN2">
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<REAL/>
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<body>
<ST>
<xhtml:p><![CDATA[NORM := SQRT(IN1 * IN1 + IN2 * IN2);]]></xhtml:p>
</ST>
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<pou name="function0" pouType="function">
<interface>
<returnType>
<derived name="datatype0"/>
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<type>
<derived name="datatype0"/>
</type>
</variable>
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</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" interval="T#1ms" priority="0"/>
<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="TUTU">
<type>
<INT/>
</type>
</variable>
</globalVars>
</configuration>
</configurations>
</instances>
</project>