AnnexF/average_st.txt
author mjsousa
Sat, 06 Dec 2014 19:14:23 +0000
changeset 959 8bfcc8e62bd6
parent 0 fb772792efd1
permissions -rwxr-xr-x
Fix C code generation when forward references (-p command line option) is on.
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