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ktt1 |
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-- _ _ __ ____ --
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-- / / | | / _| | __| --
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-- | |_| | _ _ / / | |_ --
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-- | _ | | | | | | | | _| --
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-- | | | | | |_| | \ \_ | |__ --
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-- |_| |_| \_____| \__| |____| microLab --
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-- --
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-- Bern University of Applied Sciences (BFH) --
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-- Quellgasse 21 --
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-- Room HG 4.33 --
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-- 2501 Biel/Bienne --
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-- Switzerland --
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-- --
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-- http://www.microlab.ch --
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--------------------------------------------------------------------------------
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-- GECKO4com
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--
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-- 2010/2011 Dr. Theo Kluter
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--
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-- This VHDL code is free code: you can redistribute it and/or modify
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-- it under the terms of the GNU General Public License as published by
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-- the Free Software Foundation, either version 3 of the License, or
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-- (at your option) any later version.
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--
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-- This VHDL code is distributed in the hope that it will be useful,
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-- but WITHOUT ANY WARRANTY; without even the implied warranty of
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-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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-- GNU General Public License 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 these sources. If not, see <http://www.gnu.org/licenses/>.
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--
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ARCHITECTURE no_target_specific OF IDN_handler IS
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SIGNAL s_rom_index : std_logic_vector( 5 DOWNTO 0 );
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SIGNAL s_done : std_logic;
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SIGNAL s_push : std_logic;
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SIGNAL s_start : std_logic;
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BEGIN
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done <= s_done;
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push <= s_push;
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size_bit <= '1' WHEN s_rom_index = "000000" ELSE '0';
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s_done <= '1' WHEN s_rom_index = "011110" AND fifo_full = '0' ELSE '0';
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s_push <= '1' WHEN s_rom_index(5) = '0' AND fifo_full = '0' ELSE '0';
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s_start <= '1' WHEN command = "0001001" AND
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start = '1' ELSE '0';
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make_rom_index : PROCESS( clock , s_start , reset , s_done ,
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s_push )
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BEGIN
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IF (clock'event AND (clock = '1')) THEN
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IF (reset = '1' OR s_done = '1') THEN
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s_rom_index <= (OTHERS => '1');
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ELSIF (s_start = '1') THEN
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s_rom_index <= (OTHERS => '0');
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ELSIF (s_rom_index(5) = '0' AND
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s_push = '1') THEN
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s_rom_index <= unsigned(s_rom_index) + 1;
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END IF;
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END IF;
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END PROCESS make_rom_index;
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make_rom_data : PROCESS( s_rom_index )
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BEGIN
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CASE (s_rom_index) IS
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WHEN "011110" => push_data <= X"0A";
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WHEN "011101" => push_data <= X"39";
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WHEN "011100" => push_data <= X"2E";
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WHEN "011011" => push_data <= X"30";
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WHEN "011010" => push_data <= X"2C";
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WHEN "011001" => push_data <= X"30";
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WHEN "011000" => push_data <= X"2C";
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WHEN "010111" => push_data <= X"4D";
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WHEN "010110" => push_data <= X"4F";
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WHEN "010101" => push_data <= X"43";
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WHEN "010100" => push_data <= X"34";
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WHEN "010011" => push_data <= X"4F";
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WHEN "010010" => push_data <= X"4B";
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WHEN "010001" => push_data <= X"43";
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WHEN "010000" => push_data <= X"45";
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WHEN "001111" => push_data <= X"47";
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WHEN "001110" => push_data <= X"2C";
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WHEN "001101" => push_data <= X"62";
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WHEN "001100" => push_data <= X"61";
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WHEN "001011" => push_data <= X"4C";
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WHEN "001010" => push_data <= X"6F";
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WHEN "001001" => push_data <= X"72";
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WHEN "001000" => push_data <= X"63";
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WHEN "000111" => push_data <= X"69";
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WHEN "000110" => push_data <= X"6D";
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WHEN "000101" => push_data <= X"2D";
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WHEN "000100" => push_data <= X"45";
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WHEN "000011" => push_data <= X"43";
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WHEN "000010" => push_data <= X"55";
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WHEN "000001" => push_data <= X"48";
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WHEN "000000" => push_data <= X"1E";
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WHEN OTHERS => push_data <= X"00";
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END CASE;
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END PROCESS make_rom_data;
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END no_target_specific;
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