Kontron COMe Starterkit Eval T2 - Manual (Page 212)

Appendix B: Sourcecode for Port 80 Decoder
when "0111" => seven_seg_H <= "00011111"; -- Hex 1f displays a 7
when "1000" => seven_seg_H <= "00000001"; -- Hex 01 displays a 8
when "1001" => seven_seg_H <= "00001001"; -- Hex 09 displays a 9
when "1010" => seven_seg_H <= "00010001"; -- Hex 11 displays a A
when "1011" => seven_seg_H <= "11000001"; -- Hex c1 displays a b
when "1100" => seven_seg_H <= "01100011"; -- Hex 63 displays a C
when "1101" => seven_seg_H <= "10000101"; -- Hex 85 displays a d
when "1110" => seven_seg_H <= "01100001"; -- Hex 61 displays a E
when "1111" => seven_seg_H <= "01110001"; -- Hex 71 displays a F
when others => seven_seg_H <= "00000001"; -- Hex 01 displays a 8
end case;
case W_Data(3 downto 0) is
-- Least sig digit for display
when "0000" => seven_seg_L <= "00000011"; -- Hex 03 displays a 0
when "0001" => seven_seg_L <= "10011111"; -- Hex 9f displays a 1
when "0010" => seven_seg_L <= "00100101"; -- Hex 25 displays a 2
when "0011" => seven_seg_L <= "00001101";-- Hex 0d displays a 3
when "0100" => seven_seg_L <= "10011001"; -- Hex 99 displays a 4
when "0101" => seven_seg_L <= "01001001"; -- Hex 49 displays a 5
when "0110" => seven_seg_L <= "01000001"; -- Hex 41 displays a 6
when "0111" => seven_seg_L <= "00011111"; -- Hex 1f displays a 7
when "1000" => seven_seg_L <= "00000001"; -- Hex 01 displays a 8
when "1001" => seven_seg_L <= "00001001"; -- Hex 09 displays a 9
when "1010" => seven_seg_L <= "00010001"; -- Hex 11 displays a A
when "1011" => seven_seg_L <= "11000001";-- Hex c1 displays a b
when "1100" => seven_seg_L <= "01100011"; -- Hex 63 displays a C
when "1101" => seven_seg_L <= "10000101"; -- Hex 85 displays a d
when "1110" => seven_seg_L <= "01100001"; -- Hex 61 displays a E
when "1111" => seven_seg_L <= "01110001"; -- Hex 71 displays a F
when others => seven_seg_L <= "00000001";-- Hex 01 displays a 8
end case;
end if;
end process;
end RTL;
PICMG ® COM Express ® Carrier Board Design Guide Rev. 2.0 / December 6, 2013
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