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-- Copyright (C) 1996 Morgan Kaufmann Publishers, Inc
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-- This file is part of VESTs (Vhdl tESTs).
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-- VESTs is free software; you can redistribute it and/or modify it
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-- under the terms of the GNU General Public License as published by the
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-- Free Software Foundation; either version 2 of the License, or (at
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-- your option) any later version.
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-- VESTs is distributed in the hope that it will be useful, but WITHOUT
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-- ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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-- FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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-- for more details.
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-- You should have received a copy of the GNU General Public License
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-- along with VESTs; if not, write to the Free Software Foundation,
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-- Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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-- ---------------------------------------------------------------------
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--
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-- $Id: ch_18_fg_18_07.vhd,v 1.2 2001-10-26 16:29:36 paw Exp $
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-- $Revision: 1.2 $
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--
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-- ---------------------------------------------------------------------
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entity fg_18_07_a is
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end entity fg_18_07_a;
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architecture writer of fg_18_07_a is
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begin
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process is
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type transform_file is file of real;
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file initial_transforms : transform_file open write_mode is "transforms.ini";
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begin
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for i in 1 to 50 loop
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write(initial_transforms, real(i));
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end loop;
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wait;
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end process;
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end architecture writer;
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entity fg_18_07 is
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end entity fg_18_07;
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architecture test of fg_18_07 is
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begin
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process is
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-- code from book (in text)
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type transform_array is array (1 to 3, 1 to 3) of real;
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variable transform1, transform2 : transform_array;
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type transform_file is file of real;
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file initial_transforms : transform_file
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open read_mode is "transforms.ini";
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-- end code from book
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-- code from book (Figure 18-7)
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procedure read_transform ( file f : transform_file;
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variable transform : out transform_array ) is
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begin
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for i in transform'range(1) loop
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for j in transform'range(2) loop
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if endfile(f) then
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report "unexpected end of file in read_transform - "
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& "some array elements not read"
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severity error;
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return;
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end if;
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read ( f, transform(i, j) );
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end loop;
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end loop;
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end procedure read_transform;
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-- end code from book
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begin
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-- code from book (in text)
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read_transform ( initial_transforms, transform1 );
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read_transform ( initial_transforms, transform2 );
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-- end code from book
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wait;
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end process;
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end architecture test;
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