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Diffstat (limited to 'testsuite/vests/vhdl-93/ashenden/compliant/ch_03_fg_03_01.vhd')
-rw-r--r-- | testsuite/vests/vhdl-93/ashenden/compliant/ch_03_fg_03_01.vhd | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/testsuite/vests/vhdl-93/ashenden/compliant/ch_03_fg_03_01.vhd b/testsuite/vests/vhdl-93/ashenden/compliant/ch_03_fg_03_01.vhd new file mode 100644 index 000000000..68f3bb519 --- /dev/null +++ b/testsuite/vests/vhdl-93/ashenden/compliant/ch_03_fg_03_01.vhd @@ -0,0 +1,44 @@ + +-- Copyright (C) 1996 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 + +-- --------------------------------------------------------------------- +-- +-- $Id: ch_03_fg_03_01.vhd,v 1.2 2001-10-24 23:30:59 paw Exp $ +-- $Revision: 1.2 $ +-- +-- --------------------------------------------------------------------- + +entity thermostat is + port ( desired_temp, actual_temp : in integer; + heater_on : out boolean ); +end entity thermostat; + +architecture example of thermostat is +begin + + controller : process (desired_temp, actual_temp) is + begin + if actual_temp < desired_temp - 2 then + heater_on <= true; + elsif actual_temp > desired_temp + 2 then + heater_on <= false; + end if; + end process controller; + +end architecture example; |