Subversion Repositories manchesterwireless

library ieee;

use ieee.std_logic_1164.all;

use work.globals.all;

entity synthTest is

  port (

    clk_i             : in std_logic;

    rst_i             : in std_logic;

    data_i            : in std_logic;

    ready_o           : out std_logic;

    character_o       : out std_logic_vector(0 to 7);

    anode_ctrl        : out std_logic_vector(3 downto 0);

    recieved_debug    : out std_logic_vector(3 downto 0);

    waitforstart_rdy  : out std_logic;

    testpin           : out std_logic

  );

end synthTest;

architecture Behavioral of synthTest is

  component decodeManchester

  port (

    clk_i             : in  std_logic;

    rst_i             : in  std_logic;

    data_i            : in  std_logic;

    q_o               : out std_logic_vector(WORD_LENGTH-1 downto 0);

    ready_o           : out std_logic;

    recieved_debug : out std_logic_vector(3 downto 0);

    waitforstart_rdy : out std_logic

  );

  end component;

  signal decode_output : std_logic_vector(WORD_LENGTH-1 downto 0);

  -- up/down and left/right buffers

  signal ud_buff1, ud_buff1_reg : std_logic_vector(6 downto 0);

  signal reset_manchester, soft_reset, ready_o_buff : std_logic;

begin

  character_o(7) <= '1'; -- turn off decimal point

  testpin <= '1';

  reset_manchester <=  rst_i or soft_reset;

  ready_o <= ready_o_buff;

  inst_decodeManchester: decodeManchester

  port map(

    clk_i   => clk_i,

    rst_i   => reset_manchester,

    data_i  => data_i,

    q_o     => decode_output,

    ready_o => ready_o_buff,

    recieved_debug => recieved_debug,

    waitforstart_rdy => waitforstart_rdy

  );

  -- decode up/down first digit (ones place)

  with decode_output(3 downto 0) select

     ud_buff1  <= "0000001" when x"0",  -- off

                   "1001111" when x"1",  -- 1

                   "0010010" when x"2",  -- 2

                   "0000110" when x"3",  -- 3

                   "1001100" when x"4",  -- 4

                   "0100100" when x"5",  -- 5

                   "0100000" when x"6",  -- 6

                   "0001111" when x"7",  -- 7

                   "0000000" when x"8",  -- 8

                   "0000100" when x"9",  -- 9

                   "0110000" when others; -- Error

  process (clk_i,rst_i)

  begin

     if rst_i = '1' then

       soft_reset <= '0';

       ud_buff1_reg <= "1111111";

     elsif (clk_i'event and clk_i = '1') then

       -- register the output

       if (ready_o_buff = '1') then

        ud_buff1_reg <= ud_buff1;

        soft_reset <= '1';

       else

        soft_reset <= '0';

       end if;

     end if;

  end process;

  character_o(0 to 6) <= ud_buff1_reg;

  anode_ctrl <= "0111";

end Behavioral;