Mercurial Mercurial > matiec / annotate
summary | shortlog | changelog | graph | tags | bookmarks | branches | files | changeset | file | latest | revisions | annotate | diff | comparison | raw | help
AnnexF/average_st.txt
author Mario de Sousa <msousa@fe.up.pt>
Sat, 18 Feb 2012 21:03:01 +0000
changeset 448 1bd18fc06911
parent 0 fb772792efd1
permissions -rwxr-xr-x
Add support for semantic verification for implict FB calls in IL (e.g. PV ton_var)
0
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset 
     1
 
 FUNCTION_BLOCK AVERAGE
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset 
     2
 
   VAR_INPUT
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset 
     3
 
     RUN : BOOL ;      (* 1 = run, 0 = reset *)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset 
     4
 
     XIN : REAL ;     (* Input variable *)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset 
     5
 
     N   : INT ;      (* 0 <= N < 128 or manufacturer- *)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset 
     6
 
   END_VAR            (*      specified maximum value  *)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset 
     7
 
   VAR_OUTPUT XOUT : REAL ; END_VAR (* Averaged output *)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset 
     8
 
   VAR SUM  : REAL := 0.0; (* Running sum *)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset 
     9
 
       FIFO : DELAY ;      (* N-Element FIFO *)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset 
    10
 
   END_VAR
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset 
    11
 
   SUM := SUM - FIFO.XOUT ;
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset 
    12
 
   FIFO (RUN := RUN , XIN := XIN, N := N) ;
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset 
    13
 
   SUM := SUM + FIFO.XOUT ;
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset 
    14
 
   IF RUN THEN XOUT := SUM/N ;
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset 
    15
 
   ELSE SUM := N*XIN ; XOUT := XIN ;
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset 
    16
 
   END_IF ;
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset 
    17
 
 END_FUNCTION_BLOCK
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset 
    18
 












matiec