(*
 *  This file is part of OpenPLC - an open source Programmable
 *  Logic Controller compliant with IEC 61131-3
 *
 *  Copyright (C) 2021  Thiago Alves
 *
 * See COPYING and COPYING.LESSER files for copyright details.
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 3 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
 * USA
 *
 * This code is made available on the understanding that it will not be
 * used in safety-critical situations without a full and competent review.
 *)



(*
 * An IEC 61131-3 compiler.
 *
 * Based on the
 * FINAL DRAFT - IEC 61131-3, 2nd Ed. (2001-12-10)
 *
 *)


(*
 * This is a dummy implementation of those block since
 * its code is actually written in C, not ST
 *)
 
(*
 * P1AM_INIT
 * -------------
 *)
FUNCTION_BLOCK P1AM_INIT
  VAR_INPUT
    INIT : BOOL;
  END_VAR
  VAR_OUTPUT
    SUCCESS : SINT;
  END_VAR
  SUCCESS := 0;
END_FUNCTION_BLOCK

(*
 * P1_16CDR
 * -------------
 *)

FUNCTION_BLOCK P1_16CDR
  VAR_INPUT
    SLOT : SINT;
    O1 : BOOL;
    O2 : BOOL;
    O3 : BOOL;
    O4 : BOOL;
    O5 : BOOL;
    O6 : BOOL;
    O7 : BOOL;
    O8 : BOOL;
  END_VAR
  VAR_OUTPUT
    I1 : BOOL;
    I2 : BOOL;
    I3 : BOOL;
    I4 : BOOL;
    I5 : BOOL;
    I6 : BOOL;
    I7 : BOOL;
    I8 : BOOL;
  END_VAR
  I1 := 0;
END_FUNCTION_BLOCK

(*
 * P1_08N
 * -------------
 *)
FUNCTION_BLOCK P1_08N
  VAR_INPUT
    SLOT : SINT;
  END_VAR
  VAR_OUTPUT
    I1 : BOOL;
    I2 : BOOL;
    I3 : BOOL;
    I4 : BOOL;
    I5 : BOOL;
    I6 : BOOL;
    I7 : BOOL;
    I8 : BOOL;
  END_VAR
  I1 := 0;
END_FUNCTION_BLOCK

(*
 * P1_16N
 * -------------
 *)
FUNCTION_BLOCK P1_16N
  VAR_INPUT
    SLOT : SINT;
  END_VAR
  VAR_OUTPUT
    I1 : BOOL;
    I2 : BOOL;
    I3 : BOOL;
    I4 : BOOL;
    I5 : BOOL;
    I6 : BOOL;
    I7 : BOOL;
    I8 : BOOL;
    I9 : BOOL;
    I10 : BOOL;
    I11 : BOOL;
    I12 : BOOL;
    I13 : BOOL;
    I14 : BOOL;
    I15 : BOOL;
    I16 : BOOL;
  END_VAR
  I1 := 0;
END_FUNCTION_BLOCK

(*
 * P1_08T
 * -------------
 *)
FUNCTION_BLOCK P1_08T
  VAR_INPUT
    SLOT : SINT;
    O1 : BOOL;
    O2 : BOOL;
    O3 : BOOL;
    O4 : BOOL;
    O5 : BOOL;
    O6 : BOOL;
    O7 : BOOL;
    O8 : BOOL;
  END_VAR
  VAR
    DUMMY : SINT;
  END_VAR
  DUMMY := SLOT;
END_FUNCTION_BLOCK

(*
 * P1_16TR
 * -------------
 *)

FUNCTION_BLOCK P1_16TR
  VAR_INPUT
    SLOT : SINT;
    O1 : BOOL;
    O2 : BOOL;
    O3 : BOOL;
    O4 : BOOL;
    O5 : BOOL;
    O6 : BOOL;
    O7 : BOOL;
    O8 : BOOL;
    O9 : BOOL;
    O10 : BOOL;
    O11 : BOOL;
    O12 : BOOL;
    O13 : BOOL;
    O14 : BOOL;
    O15 : BOOL;
    O16 : BOOL;
  END_VAR
  VAR
    DUMMY : SINT;
  END_VAR
  DUMMY := SLOT;
END_FUNCTION_BLOCK

(*
 * P1_04AD
 * -------------
 *)
FUNCTION_BLOCK P1_04AD
  VAR_INPUT
    SLOT : SINT;
  END_VAR
  VAR_OUTPUT
    I1 : UINT;
    I2 : UINT;
    I3 : UINT;
    I4 : UINT;
  END_VAR
  I1 := 0;
END_FUNCTION_BLOCK
