Citect - Passing tags between Functions ?

[EICS]

Another Cicode question if i may.

i have 2 Functions in cicode one function calls the other and i need to pass 2 Variables from one to the other and possibly a return value.

Would like to keep the 2 different functions rather than roll into one.

FUNCTION
Test_A()

String sTagD;
Int iTagF;

code;
code;
IF Code THEN
sTagD = "something";
iTagF = 5;
Test_B();
ELSE
Code;
END
RETURNED ! Returned Value from Test_B
code;
code;
END


FUNCTION
Test_B(sTagD, iTagF)


String sTagH;
INT iTagK;

code;
code;
IF Code THEN
sTagH = "Something Else";
ELSE
Code;
END
RETURN to Test A???? ! Return INT iTagK value Back to FUNCTION Test_A

END

 

[gclshortt]

http://www.plctalk.net/qanda/showthread.php?t=31072

The above thread may help you out.
Regards,

 

[chelton]

Try This.

[B]FUNCTION[/B]
Test_A()
INT a,b
STRING sResult = ""
      a=16;
      b=8;
      sResult = Test_B(a,b);//TEST_B() function returns a STRING. 
                            //INT a & b are passed to Test_B()

END//

STRING//<<Data type of return data (the default datatype is INT)
[B]FUNCTION[/B]
Test_B(INT x, INT y)//<<int x & y passed from Test_A()
STRING sSum
       sSum = InttoStr(x + y);
RETURN sSum;//<<sSum is the value Returned
END//

 

[EICS]

Thanks chelton, i will give it a go.


many thanks

 

[EICS]

your code works a treat, many thanks.


i now just have to modify it for what i need in my functions.


Thanks chelton.

 

[EICS]

Try This.

[B]FUNCTION[/B]
Test_A()
INT a,b
STRING sResult = ""
      a=16;
      b=8;
      sResult = Test_B(a,b);//TEST_B() function returns a STRING. 
                            //INT a & b are passed to Test_B()

END//

STRING//<<Data type of return data (the default datatype is INT)
[B]FUNCTION[/B]
Test_B(INT x, INT y)//<<int x & y passed from Test_A()
STRING sSum
       sSum = InttoStr(x + y);
RETURN sSum;//<<sSum is the value Returned
 END//

can this be modified to Pass 3 Variables as per Below? can the section in RED be changed for say iTag_A, iTag_B, iTag_C or is the x,y,z convention need to be used?

[B]FUNCTION[/B]
Test_A()
INT a,b,c
STRING sResult = ""
      a=16;
      b=8;
      c=4;
       sResult = Test_B(a,b,c);//TEST_B() function returns a STRING. 
                            //INT a, b & c are passed to Test_B()

END//

STRING//<<Data type of return data (the default datatype is INT)
[B]FUNCTION[/B]
Test_B[COLOR=Red](INT x, INT y, INT z)[/COLOR]//<<int x, y & z passed from Test_A()
STRING sSum
       sSum = InttoStr(x + y + z);
RETURN sSum;//<<sSum is the value Returned
 END//

[/quote]

 

[chelton]

can this be modified to Pass 3 Variables as per Below? can the section in RED be changed for say iTag_A, iTag_B, iTag_C or is the x,y,z convention need to be used?

[B]FUNCTION[/B]
Test_A()
INT a,b,c
STRING sResult = ""
      a=16;
      b=8;
      c=4;
       sResult = Test_B(a,b,c);//TEST_B() function returns a STRING. 
                            //INT a, b & c are passed to Test_B()

END//

STRING//<<Data type of return data (the default datatype is INT)
[B]FUNCTION[/B]
Test_B[COLOR=Red](INT x, INT y, INT z)[/COLOR]//<<int x, y & z passed from Test_A()
STRING sSum
       sSum = InttoStr(x + y + z);
RETURN sSum;//<<sSum is the value Returned
 END//

[/QUOTE]


Absolutely. You can pass more arguments. Different Data types. Variable names dont have to be x,y,z it was just showing an example.
But you do have to pass the correct number of arguments and correct data type to the function being called.

 

[EICS]

Many Thanks chelton.....Much Appreciated.