| author | Mario de Sousa <msousa@fe.up.pt> |
| Fri, 03 Jun 2011 17:14:24 +0100 | |
| changeset 311 | 8fcea60029de |
| parent 0 | fb772792efd1 |
| permissions | -rwxr-xr-x |
|
0
fb772792efd1
Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff
changeset
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1 |
FUNCTION_BLOCK DELAY (* N-sample delay *) |
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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 |
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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 *) |
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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 ; |
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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- *) |
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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 *) |
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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 (* Delayed output *) |
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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 X : ARRAY [0..127] (* N-Element queue *) |
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fb772792efd1
Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff
changeset
|
9 |
OF REAL; (* with FIFO discipline *) |
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fb772792efd1
Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff
changeset
|
10 |
I, IXIN, IXOUT : INT := 0; |
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fb772792efd1
Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff
changeset
|
11 |
END_VAR |
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fb772792efd1
Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff
changeset
|
12 |
IF RUN THEN IXIN := MOD(IXIN + 1, 128) ; X[IXIN] := XIN ; |
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fb772792efd1
Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff
changeset
|
13 |
IXOUT := MOD(IXOUT + 1, 128) ; XOUT := X[IXOUT]; |
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fb772792efd1
Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff
changeset
|
14 |
ELSE XOUT := XIN ; IXIN := N ; IXOUT := 0; |
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fb772792efd1
Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff
changeset
|
15 |
FOR I := 0 TO N DO X[I] := XIN; END_FOR; |
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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 ; |
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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 |
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fb772792efd1
Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff
changeset
|
18 |