[Krobot-resources] [SCM] krobot-resources branch, master, updated. 86ffd07f121410283a1413532a0660ba535e0cd3

[Pierre C. <Sup...@us...>]

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- Log -----------------------------------------------------------------
commit 86ffd07f121410283a1413532a0660ba535e0cd3
Author: chambart <cha...@cr...>
Date:   Tue Jan 19 18:23:42 2010 +0100

    Working and clean basic ps2 component ( mouahahahahah )

-----------------------------------------------------------------------

Changes:
diff --git a/fpga/components/ps2_ugly.vhd b/fpga/components/ps2_ugly.vhd
deleted file mode 100644
index 402af96..0000000
--- a/fpga/components/ps2_ugly.vhd
+++ /dev/null
@@ -1,75 +0,0 @@
-library ieee;
-use ieee.std_logic_1164.all;
-use ieee.std_logic_unsigned.all;
-
-entity driver_ps2 is
-    port (clk : in std_logic;
-          ps2d : in std_logic;
-          ps2c : in std_logic;
-          data : out std_logic_vector ( 0 to 7 );
-          int : out std_logic;
-  -- only for debugging purpose
-          st : out std_logic_vector ( 4 downto 0 ) );
-end entity driver_ps2;
-
-architecture driver_ps2 of driver_ps2 is
-type state_type is ( bit0, bit1, bit2, bit3, bit4, bit5, bit6, bit7,
-                     bit8, bit9, end_state );
-signal tmp : std_logic_vector ( 9 downto 0 ) := "0000000000";
-signal state : state_type := bit0;
-signal got : std_logic := '0';
-signal int_l : std_logic := '0';
-signal data_l : std_logic_vector ( 0 to 7 ) := "00000000";
-signal ps2c_old : std_logic := '1';
-begin
-
-int <= int_l;
-data <= data_l;
-
-process (ps2c)
-begin
-  if (falling_edge(ps2c))
-  then
-    case state is
-      when bit0 =>
-        state <=  bit1;
-        tmp(0) <= ps2d;
-      when bit1 =>
-        state <=  bit2;
-        tmp(1) <= ps2d;
-      when bit2 =>
-        state <=  bit3;
-        tmp(2) <= ps2d;
-      when bit3 =>
-        state <=  bit4;
-        tmp(3) <= ps2d;
-      when bit4 =>
-        state <=  bit5;
-        tmp(4) <= ps2d;
-      when bit5 =>
-        state <=  bit6;
-        tmp(5) <= ps2d;
-      when bit6 =>
-        state <=  bit7;
-        tmp(6) <= ps2d;
-      when bit7 =>
-        state <=  bit8;
-        tmp(7) <= ps2d;
-      when bit8 =>
-        state <= bit9;
-        tmp(8) <= ps2d;
-      when bit9 =>
-        state <= end_state;
-        tmp(9) <= ps2d;
-        int_l <= '1';
-        data_l <= tmp(8 downto 1);
-      when end_state =>
-        state <= bit0;
-        int_l <= '0';
-    end case;
-
-    st <= "00000";
-  end if;
-end process;
-
-end driver_ps2;


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