AnnexF/weigh_st.txt
author Mario de Sousa <msousa@fe.up.pt>
Fri, 21 Sep 2012 09:53:20 +0100
changeset 659 165aa7b87e0d
parent 0 fb772792efd1
permissions -rwxr-xr-x
add method for printing class_name. USE ONLY FOR DEBUGING!
0
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FUNCTION WEIGH : WORD     (* BCD encoded *)
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  VAR_INPUT  (* "EN" input is used to indicate "scale ready" *)
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    weigh_command : BOOL;
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    gross_weight : WORD ; (* BCD encoded *)
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    tare_weight : INT ;
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  END_VAR
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(* Function Body *)
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IF weigh_command THEN
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  WEIGH := INT_TO_BCD (BCD_TO_INT(gross_weight) - tare_weight);
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END_IF ;
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END_FUNCTION                     (* Implicit "ENO" *)