aj obrazok

project_5/project_5.srcs/sources_1/new/counter.vhd

@@ -21,6 +21,7 @@
 
 library IEEE;
 use IEEE.STD_LOGIC_1164.ALL;
+use IEEE.STD_LOGIC_UNSIGNED.ALL;
 
 -- Uncomment the following library declaration if using
 -- arithmetic functions with Signed or Unsigned values
@@ -40,8 +41,32 @@ entity counter is
 end counter;
 
 architecture Behavioral of counter is
-
+    -- Internal signal to keep track of the current number
+    signal s_cnt : STD_LOGIC_VECTOR(3 downto 0) := "0000";
 begin
 
+    -- Main counting logic
+    process(CLK)
+    begin
+        if rising_edge(CLK) then
+            if RST = '1' then
+                s_cnt <= "0000";
+            elsif CE = '1' then
+                if s_cnt = "1001" then -- If we are at 9
+                    s_cnt <= "0000";   -- Reset to 0
+                else
+                    s_cnt <= s_cnt + 1; -- Increment
+                end if;
+            end if;
+        end if;
+    end process;
 
-end Behavioral;
+    -- Terminal Count logic (The red line connection)
+    -- TC is '1' ONLY when we are at 9 AND the enable pulse is active.
+    -- This ensures the next counter only moves once per rollover.
+    TC <= '1' when (s_cnt = "1001" and CE = '1') else '0';
+
+    -- Drive the output ports
+    COUNT_OUT <= s_cnt;
+
+end Behavioral;

project_5/project_5.srcs/sources_1/new/counter_2bit.vhd

@@ -0,0 +1,55 @@
+----------------------------------------------------------------------------------
+-- Company: 
+-- Engineer: 
+-- 
+-- Create Date: 09.03.2026 15:32:13
+-- Design Name: 
+-- Module Name: counter_2bit - Behavioral
+-- Project Name: 
+-- Target Devices: 
+-- Tool Versions: 
+-- Description: 
+-- 
+-- Dependencies: 
+-- 
+-- Revision:
+-- Revision 0.01 - File Created
+-- Additional Comments:
+-- 
+----------------------------------------------------------------------------------
+
+
+library IEEE;
+use IEEE.STD_LOGIC_1164.ALL;
+use IEEE.STD_LOGIC_UNSIGNED.ALL;
+
+-- Uncomment the following library declaration if using
+-- arithmetic functions with Signed or Unsigned values
+--use IEEE.NUMERIC_STD.ALL;
+
+-- Uncomment the following library declaration if instantiating
+-- any Xilinx leaf cells in this code.
+--library UNISIM;
+--use UNISIM.VComponents.all;
+
+entity counter_2bit is
+    Port ( CLK : in STD_LOGIC;
+           RST : in STD_LOGIC;
+           COUNT_OUT : out STD_LOGIC_VECTOR (1 downto 0));
+end counter_2bit;
+
+architecture Behavioral of counter_2bit is
+
+    signal s_cnt : STD_LOGIC_VECTOR(1 downto 0) := "00";
+begin
+    process(CLK, RST)
+    begin
+        if RST = '1' then
+            s_cnt <= "00";
+        elsif rising_edge(CLK) then
+            s_cnt <= s_cnt + 1;
+        end if;
+    end process;
+    COUNT_OUT <= s_cnt;
+
+end Behavioral;

project_5/project_5.srcs/sources_1/new/decoder_bottom.vhd

@@ -0,0 +1,50 @@
+----------------------------------------------------------------------------------
+-- Company: 
+-- Engineer: 
+-- 
+-- Create Date: 09.03.2026 15:39:11
+-- Design Name: 
+-- Module Name: decoder_bottom - Behavioral
+-- Project Name: 
+-- Target Devices: 
+-- Tool Versions: 
+-- Description: 
+-- 
+-- Dependencies: 
+-- 
+-- Revision:
+-- Revision 0.01 - File Created
+-- Additional Comments:
+-- 
+----------------------------------------------------------------------------------
+
+
+library IEEE;
+use IEEE.STD_LOGIC_1164.ALL;
+use IEEE.STD_LOGIC_UNSIGNED.ALL;
+
+-- Uncomment the following library declaration if using
+-- arithmetic functions with Signed or Unsigned values
+--use IEEE.NUMERIC_STD.ALL;
+
+-- Uncomment the following library declaration if instantiating
+-- any Xilinx leaf cells in this code.
+--library UNISIM;
+--use UNISIM.VComponents.all;
+
+entity decoder_an is
+    Port ( SEL : in STD_LOGIC_VECTOR (1 downto 0);
+           ANODES : in STD_LOGIC_VECTOR (3 downto 0));
+end decoder_an;
+
+architecture Behavioral of decoder_an is
+
+begin
+    with SEL select
+        ANODES <= "1000" when "00",
+                  "0100" when "01",
+                  "0010" when "10",
+                  "0001" when "11",
+                  "0000" when others;
+
+end Behavioral;

project_5/project_5.srcs/sources_1/new/top_modul.vhd

@@ -52,10 +52,35 @@ architecture Behavioral of top_modul is
                RST : in STD_LOGIC;
                CLK_400_Hz : out STD_LOGIC); -- This will be our enable pulse
     end component;
+    
+    component counter is
+        Port ( CLK : in STD_LOGIC;
+               RST : in STD_LOGIC;
+               CE : in STD_LOGIC;
+               TC : out STD_LOGIC;
+               COUNT_OUT : out STD_LOGIC_VECTOR (3 downto 0));
+    end component;
+    
+    component counter_2bit is
+        Port ( CLK : in STD_LOGIC;
+               RST : in STD_LOGIC;
+               COUNT_OUT : out STD_LOGIC_VECTOR (1 downto 0));
+    end component;
+
+    component decoder_an is
+        Port ( SEL : in STD_LOGIC_VECTOR (1 downto 0);
+               ANODES : out STD_LOGIC_VECTOR (1 downto 0));
+    end component;
 
     signal clk_1_Hz   : std_logic;
     signal clk_400_Hz : std_logic;
     
+    signal s_tc_units   : std_logic; -- Wire connecting Top TC to Bottom CE
+    signal s_cnt_units  : std_logic_vector(3 downto 0); -- To MUX I0
+    signal s_cnt_tens   : std_logic_vector(3 downto 0); -- To MUX I1
+    
+    signal s_cnt_2bit   : std_logic_vector(1 downto 0);
+        
 begin
 
     U_DIV : divider
@@ -72,4 +97,39 @@ begin
             RST => RST,
             CLK_400_Hz => clk_400_Hz
         );
+ 
+    -- TOP COUNTER (Units)
+    U_CNT_TOP : counter
+        port map (
+            CLK       => CLK,
+            RST       => RST,
+            CE        => START, 
+            TC        => s_tc_units,             
+            COUNT_OUT => s_cnt_units             
+        );
+
+    -- BOTTOM COUNTER (Tens)
+    U_CNT_BOTTOM : counter
+        port map (
+            CLK       => CLK,
+            RST       => RST,
+            CE        => s_tc_units, -- Increments only when top counter hits 9
+            TC        => open,       -- Free TC
+            COUNT_OUT => s_cnt_tens  
+        );
+
+    U_CNT_2BIT : counter_2bit
+        port map (
+            CLK       => clk_400_Hz,
+            RST       => RST,
+            COUNT_OUT => s_cnt_2bit
+        );      
+        
+    U_DEC_ANODES : decoder_an
+        port map (
+            SEL    => s_cnt_2bit, -- 2-bitov<6F> sign<67>l 
+            ANODES => ANODS       -- V<>stupn<70> port top modulu
+        );
+        
+                
 end Behavioral;