From 6c3f709174e8e4d5411f851cedb7d84c38d3b04a Mon Sep 17 00:00:00 2001 From: Tristan Gingold Date: Fri, 20 Dec 2013 04:48:54 +0100 Subject: Import vests testsuite --- .../ashenden/compliant/files-and-IO/read_array.vhd | 104 +++++++++++++++++++++ 1 file changed, 104 insertions(+) create mode 100644 testsuite/vests/vhdl-ams/ashenden/compliant/files-and-IO/read_array.vhd (limited to 'testsuite/vests/vhdl-ams/ashenden/compliant/files-and-IO/read_array.vhd') diff --git a/testsuite/vests/vhdl-ams/ashenden/compliant/files-and-IO/read_array.vhd b/testsuite/vests/vhdl-ams/ashenden/compliant/files-and-IO/read_array.vhd new file mode 100644 index 000000000..dbec79652 --- /dev/null +++ b/testsuite/vests/vhdl-ams/ashenden/compliant/files-and-IO/read_array.vhd @@ -0,0 +1,104 @@ + +-- 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; + -- cgit v1.2.3