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AnnexF/weigh_st.txt
author mjsousa
Sun, 19 Oct 2014 08:36:49 +0100
changeset 936 0f7bcc160568
parent 0 fb772792efd1
permissions -rwxr-xr-x
Fix bug: Add support for de-referencing pointers to struct (struct_ptr^.elem1) when used inside FB.
Note that multiple de-referencing of structs (struct_ptr_ptr^^.elem) is not supported inside FB code (this would need BIG changes to the compiler!)
0
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
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FUNCTION WEIGH : WORD     (* BCD encoded *)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
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  VAR_INPUT  (* "EN" input is used to indicate "scale ready" *)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
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    weigh_command : BOOL;
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    gross_weight : WORD ; (* BCD encoded *)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
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    tare_weight : INT ;
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  END_VAR
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
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(* Function Body *)
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IF weigh_command THEN
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
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  WEIGH := INT_TO_BCD (BCD_TO_INT(gross_weight) - tare_weight);
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
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END_IF ;
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
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fb772792efd1
Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.



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    12


END_FUNCTION                     (* Implicit "ENO" *)













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