Hi, I’m not quite sure if this vhdl code and testbench is correct for the given task. Can you take a look?

Design a one-hour kitchen timer. The device should have buttons/switches to start and stop the timer, as well as to set the desired time interval for the alarm. Realize the task using the software package Quartus or in GHDL, confirm the correctness of the project task by simulation.

This is VHDL code:

use ieee.std_logic_1164.all;
use ieee.numeric_std.all;

entity Kitchen_Timer is
  port (
    clk   : in std_logic;    -- Clock input
    reset : in std_logic;    -- Reset input
    start : in std_logic;    -- Start button input
    stop  : in std_logic;    -- Stop button input
    alarm : out std_logic    -- Alarm output
  );
end entity Kitchen_Timer;

-- Declare the architecture for the kitchen timer
architecture Behavioral of Kitchen_Timer is
  signal count     : integer range 0 to 3600 := 0;   -- Counter for timer
  signal alarming  : std_logic := '0';               -- Signal to indicate alarming interval
  signal alarm_en  : std_logic := '0';               -- Signal to enable alarming interval
  signal alarm_cnt : integer range 0 to 600 := 0;    -- Counter for alarming interval
begin
  -- Process to control the kitchen timer and alarming interval
  process (clk, reset)
  begin
    if (reset = '1') then
      count     <= 0;
      alarming  <= '0';
      alarm_en  <= '0';
      alarm_cnt <= 0;
    elsif (rising_edge(clk)) then
      if (stop = '1') then
        count     <= 0;
        alarming  <= '0';
        alarm_en  <= '0';
        alarm_cnt <= 0;
      elsif (start = '1' and count < 3600) then
        count <= count + 1;
        if (count = 3600) then
          count     <= 0;
          alarming  <= '0';
          alarm_en  <= '0';
          alarm_cnt <= 0;
        elsif (count > 0) then
          alarm_en <= '1';
        end if;
      end if;

      if (alarm_en = '1') then
        if (alarm_cnt < 600) then
          alarm_cnt <= alarm_cnt + 1;
        else
          alarm_cnt <= 0;
          alarming  <= '1';
        end if;
      end if;
    end if;
  end process;

  -- Assign the alarm output
  alarm <= alarming;
end architecture Behavioral; ```

This is Testbench:

```library ieee;
use ieee.std_logic_1164.all;

entity tb_Kitchen_Timer is
end tb_Kitchen_Timer;

architecture tb of tb_Kitchen_Timer is

    component Kitchen_Timer
        port (clk   : in std_logic;
              reset : in std_logic;
              start : in std_logic;
              stop  : in std_logic;
              alarm : out std_logic);
    end component;

    signal clk   : std_logic;
    signal reset : std_logic;
    signal start : std_logic;
    signal stop  : std_logic;
    signal alarm : std_logic;

    constant TbPeriod : time := 1000 ns; -- EDIT Put right period here
    signal TbClock : std_logic := '0';
    signal TbSimEnded : std_logic := '0';

begin

    dut : Kitchen_Timer
    port map (clk   => clk,
              reset => reset,
              start => start,
              stop  => stop,
              alarm => alarm);

    -- Clock generation
    TbClock <= not TbClock after TbPeriod/2 when TbSimEnded /= '1' else '0';

    -- EDIT: Check that clk is really your main clock signal
    clk <= TbClock;

    stimuli : process
    begin
        -- EDIT Adapt initialization as needed
        start <= '0';
        stop <= '0';

        -- Reset generation
        -- EDIT: Check that reset is really your reset signal
        reset <= '1';
        wait for 100 ns;
        reset <= '0';
        wait for 100 ns;

        -- EDIT Add stimuli here
        wait for 100 * TbPeriod;

        -- Stop the clock and hence terminate the simulation
        TbSimEnded <= '1';
        wait;
    end process;

end tb;

-- Configuration block below is required by some simulators. Usually no need to edit.

configuration cfg_tb_Kitchen_Timer of tb_Kitchen_Timer is
    for tb
    end for;
end cfg_tb_Kitchen_Timer;```

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