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authorTristan Gingold <tgingold@free.fr>2013-12-20 04:48:54 +0100
committerTristan Gingold <tgingold@free.fr>2013-12-20 04:48:54 +0100
commit6c3f709174e8e4d5411f851cedb7d84c38d3b04a (patch)
treebd12c79c71a2ee65899a9ade9919ec2045addef8 /testsuite/vests/vhdl-ams/ashenden/compliant/files-and-IO/read_array.vhd
parentbd4aff0f670351c0652cf24e9b04361dc0e3a01c (diff)
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Import vests testsuite
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+
+-- Copyright (C) 2002 Morgan Kaufmann Publishers, Inc
+
+-- This file is part of VESTs (Vhdl tESTs).
+
+-- VESTs is free software; you can redistribute it and/or modify it
+-- under the terms of the GNU General Public License as published by the
+-- Free Software Foundation; either version 2 of the License, or (at
+-- your option) any later version.
+
+-- VESTs 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 General Public License
+-- for more details.
+
+-- You should have received a copy of the GNU General Public License
+-- along with VESTs; if not, write to the Free Software Foundation,
+-- Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+
+entity read_array_write_data is
+end entity read_array_write_data;
+
+
+architecture writer of read_array_write_data is
+begin
+
+ process is
+
+ type integer_file is file of integer;
+ file data_file : integer_file open write_mode is "coeff-data";
+
+ begin
+ write(data_file, 0);
+ write(data_file, 1);
+ write(data_file, 2);
+ write(data_file, 3);
+ write(data_file, 4);
+ write(data_file, 5);
+ write(data_file, 6);
+ write(data_file, 7);
+ write(data_file, 8);
+ write(data_file, 9);
+ write(data_file, 10);
+ write(data_file, 11);
+ write(data_file, 12);
+ write(data_file, 13);
+ write(data_file, 14);
+ write(data_file, 15);
+ write(data_file, 16);
+ write(data_file, 17);
+ write(data_file, 18);
+
+ wait;
+ end process;
+
+end architecture writer;
+
+
+
+entity read_array is
+end entity read_array;
+
+
+architecture test of read_array is
+begin
+
+ process is
+
+ -- code from book (in text)
+
+ type integer_vector is array (integer range <>) of integer;
+
+ -- end code from book
+
+ -- code from book (in Figure)
+
+ impure function read_array ( file_name : string; array_length : natural )
+ return integer_vector is
+ type integer_file is file of integer;
+ file data_file : integer_file open read_mode is file_name;
+ variable result : integer_vector(1 to array_length) := (others => 0);
+ variable index : integer := 1;
+ begin
+ while not endfile(data_file) and index <= array_length loop
+ read(data_file, result(index));
+ index := index + 1;
+ end loop;
+ return result;
+ end function read_array;
+
+ -- end code from book
+
+ -- code from book (in text)
+
+ constant coeffs : integer_vector := read_array("coeff-data", 16);
+
+ -- end code from book
+
+ begin
+ wait;
+ end process;
+
+end architecture test;
+