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What Is VHDL Code Generator?

An AI VHDL Code Generator is an online tool that uses advanced technologies like generative AI, machine learning, and natural language processing to create VHDL code quickly. This tool is made to help ease some of the challenges you face in coding, especially for tasks that are repetitive or complicated.

Using this generator is simple and involves three main steps:

Input: You give language prompts or details about what you want the output to be.
Processing: The tool looks at your input and uses its algorithms to create the right VHDL code.
Output: Lastly, it provides the finished VHDL code, ready for you to use.

How Does Minary’s VHDL Code Generator Work?

Here’s how Minary’s AI VHDL Code Generator works. When you want to create VHDL code for a specific task, start by filling out a detailed description in the box on the left side of the interface. Be as clear and specific as you can. For example, instead of saying “create a counter,” say something like “generate a 4-bit asynchronous binary counter with enable and reset functions.”

After you’ve described your task, click the ‘Generate’ button. The generator processes your input using smart algorithms to understand your description and create the VHDL code. The code will show up on the right side of the screen for you to review.

You’ll see a handy ‘Copy’ button at the bottom right of the output area. With just one click, you can easily copy the code to use in your projects.

The generator also lets you give feedback. After checking the code, you can use the vote buttons. If the code meets your needs, a positive vote helps train the AI, improving its performance for you and others.

For example, you might ask: “Design a simple state machine for a traffic light controller with red, yellow, and green states.” This kind of detail helps the AI generate code that is more accurate and useful for you.

Examples Of Generated VHDL Code

Design a digital vending machine controller that accepts coins and dispenses a selected item. The machine should allow for multiple item selections, track the total amount of money inserted, and return change if the amount exceeds the cost of the selected item. Include features for displaying the current balance and indicating when the item is dispensed.

“`vhdl
library ieee;
use ieee.std_logic_1164.all;
use ieee.std_logic_unsigned.all;

entity vending_machine is
port(
clk : in std_logic;
reset : in std_logic;
coin_in : in std_logic_vector(2 downto 0); — 3-bits for coin input
item_select : in std_logic_vector(1 downto 0); — 2-bits for item select
request_dispense : in std_logic;
balance_display : out std_logic_vector(7 downto 0); — 8-bits for balance display
dispense_alert : out std_logic; — dispense item signal
change_dispense : out std_logic_vector(7 downto 0) — change to return
);
end vending_machine;

architecture Behavioral of vending_machine is
type state_type is (IDLE, COIN_INSERTED, ITEM_SELECTED, DISPENSE);
signal state, next_state : state_type;

signal total_balance : std_logic_vector(7 downto 0) := (others => ‘0’);
signal item_price : std_logic_vector(7 downto 0);
signal item_dispensed : std_logic := ‘0’;

— Define item prices (4 items for this example)
constant ITEM_0_PRICE : std_logic_vector(7 downto 0) := “00000100”; — Price = 4
constant ITEM_1_PRICE : std_logic_vector(7 downto 0) := “00000010”; — Price = 2
constant ITEM_2_PRICE : std_logic_vector(7 downto 0) := “00000110”; — Price = 6
constant ITEM_3_PRICE : std_logic_vector(7 downto 0) := “00000101”; — Price = 5

signal change : std_logic_vector(7 downto 0);

begin

— State machine process
process(clk, reset)
begin
if reset=’1′ then
state <= IDLE; total_balance <= (others => ‘0’);
item_dispensed <= '0'; change <= (others => ‘0’);
elsif rising_edge(clk) then
state <= next_state; if state = COIN_INSERTED then case coin_in is when "001" => total_balance <= total_balance + "00000001"; -- Add 1 cent when "010" => total_balance <= total_balance + "00000010"; -- Add 2 cents when "100" => total_balance <= total_balance + "00000100"; -- Add 4 cents when others => null; — Do nothing for invalid coins
end case;
elsif state = ITEM_SELECTED then
case item_select is
when “00” => item_price <= ITEM_0_PRICE; when "01" => item_price <= ITEM_1_PRICE; when "10" => item_price <= ITEM_2_PRICE; when "11" => item_price <= ITEM_3_PRICE; when others => item_price <= (others => ‘0’);
end case;

if total_balance >= item_price then
change <= total_balance - item_price; item_dispensed <= '1'; else item_dispensed <= '0'; end if; end if; end if; end process; -- Next state logic process(state, request_dispense, item_dispensed) begin case state is when IDLE =>
if request_dispense = ‘1’ then
next_state <= ITEM_SELECTED; else next_state <= state; end if; when COIN_INSERTED =>
next_state <= ITEM_SELECTED; when ITEM_SELECTED =>
if item_dispensed = ‘1’ then
next_state <= DISPENSE; else next_state <= ITEM_SELECTED; -- stay in item selected if not enough money end if; when DISPENSE =>
next_state <= IDLE; -- go back to idle after dispensing when others =>
next_state <= IDLE; -- default end case; end process; -- Output logic balance_display <= total_balance; dispense_alert <= item_dispensed; change_dispense <= change; end Behavioral; ```

Design a digital clock that takes time input in hours and minutes, and displays the current time on a seven-segment display format. Additionally, implement a feature to toggle between a 12-hour and a 24-hour format.

“`vhdl
library IEEE;
use IEEE.STD_LOGIC_1164.ALL;
use IEEE.STD_LOGIC_UNSIGNED.ALL;

entity DigitalClock is
Port (
clk : in STD_LOGIC; — 1 Hz clock input
reset : in STD_LOGIC; — Reset signal
toggle : in STD_LOGIC; — Toggle for 12/24 hour format
hour : out STD_LOGIC_VECTOR(4 downto 0); — 5 bits for hour (max 24; 00000 to 11000)
minute : out STD_LOGIC_VECTOR(5 downto 0); — 6 bits for minute (max 59; 000000 to 111011)
seg : out STD_LOGIC_VECTOR(6 downto 0); — Seven segment display output
an : out STD_LOGIC_VECTOR(3 downto 0) — Anode control for the seven segment display
);
end DigitalClock;

architecture Behavioral of DigitalClock is

signal sec_count : INTEGER := 0;
signal minute_count : INTEGER := 0;
signal hour_count : INTEGER := 0;
signal is_12_hour_format : BOOLEAN := FALSE;
signal display : STD_LOGIC_VECTOR(5 downto 0); — Holds the current display value
signal display_hour : STD_LOGIC_VECTOR(4 downto 0);
signal display_min : STD_LOGIC_VECTOR(5 downto 0);

constant SECONDS_MAX : INTEGER := 59;
constant MINUTES_MAX : INTEGER := 59;
constant HOURS_12_MAX : INTEGER := 12;
constant HOURS_24_MAX : INTEGER := 23;

— Seven segment encoding (0-F)
function seg_decoder(value: STD_LOGIC_VECTOR(3 downto 0)) return STD_LOGIC_VECTOR(6 downto 0) is
begin
case value is
when “0000” => return “0000001”; — 0
when “0001” => return “1001111”; — 1
when “0010” => return “0010010”; — 2
when “0011” => return “0000110”; — 3
when “0100” => return “1001100”; — 4
when “0101” => return “0100100”; — 5
when “0110” => return “0100000”; — 6
when “0111” => return “0001111”; — 7
when “1000” => return “0000000”; — 8
when “1001” => return “0000100”; — 9
when “1010” => return “0001000”; — A
when “1011” => return “1100000”; — B
when “1100” => return “0110001”; — C
when “1101” => return “1000010”; — D
when “1110” => return “0110000”; — E
when “1111” => return “0111000”; — F
when others => return “1111111”; — all segments off
end case;
end function;

begin

process(clk, reset)
begin
if reset = ‘1’ then
sec_count <= 0; minute_count <= 0; hour_count <= 0; elsif rising_edge(clk) then if sec_count = 59 then sec_count <= 0; if minute_count = MINUTES_MAX then minute_count <= 0; if (is_12_hour_format and hour_count = HOURS_12_MAX) or (not is_12_hour_format and hour_count = HOURS_24_MAX) then hour_count <= 0; else hour_count <= hour_count + 1; end if; else minute_count <= minute_count + 1; end if; else sec_count <= sec_count + 1; end if; end if; end process; process(toggle) begin if toggle = '1' then is_12_hour_format <= not is_12_hour_format; end if; end process; process(hour_count, minute_count, is_12_hour_format) begin if is_12_hour_format then display_hour <= std_logic_vector(to_unsigned(hour_count mod 12, 5)); else display_hour <= std_logic_vector(to_unsigned(hour_count, 5)); end if; display_min <= std_logic_vector(to_unsigned(minute_count, 6)); end process; process(display_hour, display_min) begin -- Assign to segments here, just a simple example to show the driving of segments seg <= seg_decoder(display_min(5 downto 2)); -- Display Minutes Tens an <= "1110"; -- Enable only the minute end process; end Behavioral; ```