17,7 → 17,6 |
library IEEE; |
use IEEE.STD_LOGIC_1164.ALL; |
use IEEE.numeric_std.ALL; |
use WORK.PS2_pkg.ALL; |
|
library UNISIM; |
use UNISIM.vcomponents.all; |
147,18 → 146,6 |
end to_bcd; |
|
|
-- O1: ____|^^^^^^^|______ |
-- O2: _________|^^|______ |
-- t1 t2 |
-- t1/t2 is from 0 to 2000 ns; repeating frequency is cca 1,6 kHz |
|
signal T1: unsigned(15 downto 0) := X"000a"; -- Time t1 to Impuls at O2 |
signal T2: unsigned(15 downto 0) := X"0001"; -- Duration t2 of impuls at O2 |
signal CT0: unsigned(15 downto 0) := X"0000"; -- Timer |
signal O1: std_logic := '0'; -- Output 1 |
signal O2: std_logic := '0'; -- Output 2 |
signal CTburst: unsigned(15 downto 0) := X"0000"; -- Pulse counter |
|
-- LED Demo Signals |
-- ---------------- |
|
177,44 → 164,12 |
signal Segments: std_logic_vector(0 to 7); -- LED Segment Output |
signal Code: std_logic_vector(3 downto 0); -- BCD to 7 Segment Decoder Output |
|
-- PS/2 Port |
-- --------- |
|
-- Interface Signals |
signal PS2_Code: std_logic_vector(7 downto 0); -- Key Scan Code |
signal PS2_Attribs: std_logic_vector(7 downto 0); -- State of Shifts for Scan Code |
signal PS2_Valid: boolean; -- Valid Data (synchronous with Main Clock) |
signal PS2_Shifts: std_logic_vector(9 downto 0); -- Immediate (life) State of Shifts for Scan Code |
|
-- Result |
signal PS2_Result: std_logic_vector(15 downto 0); -- Result (memory) |
|
-- signal Key: std_logic_vector(7 downto 0); -- Cislo na klavese |
|
-- VGA Demo Signals |
-- ---------------- |
signal LO_CLOCK: std_logic; |
|
signal CLK: std_logic; -- Main Clock - global distribution network |
signal CLKVGAi: std_logic; -- DCM Clock Out (40MHz Pixel Clock) - internal connection from DCM to BUFG |
signal CLKVGA: std_logic; -- DCM Clock Out (40MHz Pixel Clock) - global distribution network |
signal VGA_Blank: boolean; -- Blank |
signal VGA_Hsync: boolean; -- Horisontal Synchronisation |
signal VGA_Vsync: boolean; -- Vertical Synchronisation |
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signal VCounter: unsigned(9 downto 0) := "0000000000"; -- Vertical Counter |
signal HCounter: unsigned(10 downto 0) := "00000000000"; -- Horisontal Counter |
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signal PinState: std_logic; -- For IB1 Port Test |
signal Red: std_logic_vector(1 downto 0); |
signal Green: std_logic_vector(1 downto 0); |
signal Blue: std_logic_vector(1 downto 0); |
|
-- ADDA |
signal ADDA_DataIn: std_logic_vector(7 downto 0); |
signal Decko: std_logic; |
signal Disp: std_logic := '0'; |
|
|
signal LO_CLOCK: std_logic; |
|
begin |
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-- Basic LED Blinking Test |
221,11 → 176,8 |
-- ======================= |
|
-- LED Bar Counter |
--!!!KAKL process (CLK100MHz) |
process (LO_CLOCK) |
begin |
-- if rising_edge(CLK100MHz) then |
if DIPSW(0)='1' then |
if rising_edge(LO_CLOCK) then |
if Counter < MAXCOUNT-1 then |
Counter <= Counter + 1; |
234,12 → 186,37 |
Bar <= Bar + 1; |
end if; |
end if; |
end if; |
end process; |
|
process (LO_CLOCK) |
begin |
if rising_edge(LO_CLOCK) then |
Decko <= DIPSW(0); |
end if; |
end process; |
|
|
process (LO_CLOCK) |
begin |
if rising_edge(LO_CLOCK) then |
if Decko = '1' then |
if Disp = '0' then |
Number(3 downto 0) <= std_logic_vector(Bar(3 downto 0)); |
Number(7 downto 4) <= std_logic_vector(Bar(7 downto 4)); |
Number(15 downto 8) <= (others=>'0'); |
Number(19 downto 16) <= (others=>'0'); |
Number(31 downto 20) <= (others=>'0'); --to_bcd(std_logic_vector(T1)); |
Disp <= '1'; |
end if; |
else |
Disp <= '0'; |
end if; |
end if; |
end process; |
|
LED <= std_logic_vector(Bar); -- LED Bar Connected to Counter |
|
FastBlink <= Counter(13) and Counter(14) and Counter(15) and Counter(16); -- 1/16 intensity |
-- FastBlink <= Counter(13) and Counter(14) and Counter(15) and Counter(16); -- 1/16 intensity |
|
-- LED Display (multiplexed) |
-- ========================= |
280,7 → 257,7 |
end if; |
end process; |
|
-- BCD to 7 Segmet Decoder |
-- HEX to 7 Segmet Decoder |
-- -- A |
-- | | F B |
-- -- G |
315,111 → 292,15 |
Number(31 downto 28) when Digits="10000000" else |
"0000"; |
|
-- Key <= "00000000" when PS2_Result(7 downto 0)=X"70" else -- Digit 0 |
-- "00000001" when PS2_Result(7 downto 0)=X"69" else -- Digit 1 |
-- "00000010" when PS2_Result(7 downto 0)=X"72" else -- Digit 2 |
-- "11111111"; |
|
-- Number(31 downto 28) <= Key(3 downto 0); |
|
-- Number( 7 downto 0) <= std_logic_vector(BAR); |
-- Number(31 downto 24) <= DIPSW; |
|
-- PS/2 Port |
-- ========= |
|
-- Instantiate PS/2 Keyboard Interface Handler |
PS2_Keyboard: PS2 generic map( |
CLKFREQ => 100_000_000 |
) |
port map( |
-- Main Clock |
Clk => CLK100MHz, |
|
-- PS/2 Port |
PS2_Clk => PS2_CLK2, |
PS2_Data => PS2_DATA2, |
|
-- Result - valid when PS2_Valid |
PS2_Code => PS2_Code, |
PS2_Attribs => PS2_Attribs, |
PS2_Valid => PS2_Valid, |
|
-- Immediate State of Shifts |
PS2_Shifts => PS2_Shifts |
); -- PS2 |
|
process (CLK100MHz) |
begin |
if rising_edge(CLK100MHz) then |
if PS2_Valid and PS2_Attribs(7)='0' then |
-- Valid Scan Code with no Break Attribute |
PS2_Result( 7 downto 0) <= PS2_Code; |
PS2_Result(15 downto 8) <= PS2_Attribs; |
end if; |
|
if PS2_Valid and PS2_Attribs(7)='0' then |
if PS2_Code = X"74" and T1<2000 then T1<=T1+1; end if; |
if PS2_Code = X"6b" and T1>0 then T1<=T1-1; end if; |
if PS2_Code = X"75" and T2<200 then T2<=T2+1; end if; |
if PS2_Code = X"72" and T2>0 then T2<=T2-1; end if; |
CT0<=X"0000"; |
O1<='0'; |
O2<='0'; |
CTburst<=X"0000"; |
end if; |
|
if PB(0)='1' then |
T1<=X"0000"; |
T2<=X"0000"; |
end if; |
-- Display on 7seg. |
-- Number(3 downto 0) <= (others=>'0'); |
-- Number(15 downto 4) <= (others=>'1'); --to_bcd(std_logic_vector(T2)); |
-- Number(19 downto 16) <= (others=>'0'); |
-- Number(31 downto 20) <= (others=>'1'); --to_bcd(std_logic_vector(T1)); |
|
if DIPSW(0)='1' then |
if CT0>X"F000" then |
CT0<=X"0000"; |
else |
CT0<=CT0+1; |
end if; |
else |
if CT0>X"0200" then |
CT0<=X"0000"; |
else |
CT0<=CT0+1; |
end if; |
end if; |
|
if CTburst>2000 then |
CTburst<=X"0000"; |
end if; |
|
if (CTburst<1000) or (DIPSW(1)='0') then |
if CT0=X"0000" then |
O1<='1'; |
end if; |
|
if CT0=T1+X"0000" then |
O2<='1'; |
end if; |
end if; |
|
if CT0=T2+T1+X"0000" then |
O1<='0'; |
O2<='0'; |
CTburst<=CTburst+1; |
end if; |
|
end if; |
|
end process; |
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-- Display Result on LED |
Number(3 downto 0) <= (others=>'0'); |
Number(15 downto 4) <= to_bcd(std_logic_vector(T2)); |
Number(19 downto 16) <= (others=>'0'); |
Number(31 downto 20) <= to_bcd(std_logic_vector(T1)); |
|
|
-- Test Diferencial In/Outs |
-- Diferencial In/Outs |
-- ======================== |
DIFbuffer1 : IBUFGDS |
generic map ( |
435,8 → 316,8 |
|
|
-- Output Signal on SATA Connector |
-- SD1AP <= Bar(0); |
-- SD1AN <= Bar(1); |
-- SD1AP <= 'Z'; |
-- SD1AN <= 'Z'; |
SD1BP <= 'Z'; |
SD1BN <= 'Z'; |
|
446,19 → 327,6 |
SD2BP <= 'Z'; |
SD2BN <= 'Z'; |
|
-- Copy SATA Connector Input to 4 pin header (J7) - Connect these signals to B port input to visualize them |
-- !!!!!!!!!!!! Pulse Generator Outputs !!!!!!!!!!!!!!!!!!!!! |
DIF1P <= O1; |
B(0) <= O1; |
DIF1N <= not O1; |
B(1) <= not O1; |
DIF2P <= O2; |
B(2) <= O2; |
DIF2N <= not O2; |
B(3) <= not O2; |
|
VGA_R(0) <= O1; |
VGA_R(1) <= O2; |
|
-- Unused Signals |
-- ============== |