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FASTEST FINGER FIRST USING ATMEGA32

HEY GUYS  I HAD DEVELOPED CODE FOR FASTEST FINGER FIRST USING ATMEGA 32 AND USED WIN-AVR ENVIRONMENT FOR CODING.PLEASE GO THROUGH IT.


#include <avr/io.h>
#include <util/delay.h>

void ProcessPressedButton(int ButtonPressed);
void ProcessReleasedButton(int ButtonReleased);
int Pressed_Confidence_Level[2];
int Released_Confidence_Level[2];
int Pressed[2];
int LEDNumber[2];
int main(void)
{
DDRB = 0b01111111;
DDRD = 0b01111111;
PORTB = 0b10000000;
PORTD = 0b10000000;

while (1)
{
if (bit_is_clear(PINB, 7))
{
ProcessPressedButton(0);
}
else
{
ProcessReleasedButton(0);
}
if (bit_is_clear(PIND, 7))
{
ProcessPressedButton(1);
}
else
{
ProcessReleasedButton(1);
}
}
}

void ProcessPressedButton(int ButtonPressed)
{
Pressed_Confidence_Level[ButtonPressed] ++;
if (Pressed_Confidence_Level[ButtonPressed] > 500)
{
if (Pressed[ButtonPressed] == 0)
{
Pressed[ButtonPressed] = 1;
if (ButtonPressed == 0) PORTB |= 1 << LEDNumber[ButtonPressed];
if (ButtonPressed == 1) PORTD |= 1 << LEDNumber[ButtonPressed];
LEDNumber[ButtonPressed] ++;
if (LEDNumber[ButtonPressed] >6)
{
for(int i=0;i < 10;i++)
{
if (ButtonPressed == 0) PORTB = 0b11111111;
if (ButtonPressed == 1) PORTD = 0b11111111;
_delay_ms(10);
if (ButtonPressed == 0) PORTB = 0b10000000;
if (ButtonPressed == 1) PORTD = 0b10000000;
_delay_ms(10);
}
LEDNumber[0] = 0;
LEDNumber[1] = 0;
PORTB = 0b10000000;
PORTD = 0b10000000;
}
}
Pressed_Confidence_Level[ButtonPressed] = 0;
}
}

void ProcessReleasedButton(int ButtonReleased)
{
Released_Confidence_Level[ButtonReleased] ++;
if (Released_Confidence_Level[ButtonReleased] > 500)
{
Pressed[ButtonReleased] = 0;
Released_Confidence_Level[ButtonReleased] = 0;
}
}

Digital lock using arduino uno

HEY GUYS THIS IS THE CODE FOR DIGITAL LOCK USING ARDUINO UNO

PLEASE GO THROUGH IT

/*Circuit connections for LCD Interfacing:

 * LCD RS pin to digital pin 12

 * LCD Enable pin to digital pin 11

 * LCD D4 pin to digital pin 5

 * LCD D5 pin to digital pin 4

 * LCD D6 pin to digital pin 3

 * LCD D7 pin to digital pin 2

 * LCD R/W pin to ground

 * 10K resistor:

 * ends to +5V and ground

 * wiper to LCD VO pin (pin 3)

 *Circuit connections for Keypad Interfacing:

 */

#include <Keypad.h>

#include <LiquidCrystal.h>

LiquidCrystal lcd(12,11,5,4,3,2);

char* secretCode = "2218";//character pointer secretCode stores the starting address of the string "2218"

int p=0;

const byte rows = 4;//four rows

const byte cols = 3;//three columns

char keys[rows][cols] =

{

{'1','2','3'},

{'4','5','6'},

{'7','8','9'},

{'*','0','#'}

};

byte rowPins[rows] = {9,8,7,6};//connect to the row pinouts of the keypad

byte colPins[cols] = {12,11,10};//connect to the column pinouts of the keypad

Keypad nirma = Keypad(makeKeymap(keys), rowPins, colPins, rows, cols);

int redPin = 4;

int greenPin =2;

void setup()

{

  pinMode(redPin, OUTPUT);

  pinMode(greenPin, OUTPUT);

  lcd.begin(16,2);//set up the LCD's number of columns and rows

  lcd.print("Enter password ");

  //setLocked(true);

}

void loop()

{

  lcd.setCursor(0, 1);

  char input = nirma.getKey();//returns the key that is pressed

  for(int i=3;i>0;i--)//Loop controls no. of attempts(3)

  {

    for(int k=1;k<5;k++)//Loop controls no. of keypad presses(4)

    {

      if (input == '*' || input == '#')

      {

        p = 0;

        setLocked(true);

        lcd.println("Invalid numerals");//Red LED is on untill all 4 no.s have been pressed

      }

      else if(input == secretCode[p])

      {

        lcd.print("*");

        p++;

        if(p == 4)

        {

          setLocked(false);//Green LED glows when all 4 no.s have been entered

          lcd.println("Correct Password");

        }

      }

      else

      {

        lcd.print("*");

        p++;

        if(p == 4)

        {

          setLocked(true);

          lcd.println("I am locked.");

          lcd.println(i-1); lcd.print("trials left");

          if(i==1)

          {

            lcd.println("I am blocked.");

          }

        }

      }

    }

    delay(100);

  }

}

void setLocked(int locked)//user-defined function setlocked

{

  if(locked)

  {

    digitalWrite(redPin, HIGH);

    digitalWrite(greenPin, LOW);

  }

  else

  {

    digitalWrite(redPin, LOW);

    digitalWrite(greenPin, HIGH);

  }

}

LED FLASHING WITH ATMEGA32

HEY GUYS I HAD DEVELOPED FLASHING LED PROGRAM USING FLASHING LED PROGRAM BY USING ATMEGA-32.


#include <avr/io.h>
int main(void)
{
DDRC = 0b00001111;
PORTC = 0b00000000;
DDRD = 0b00001111;
PORTD = 0b00000000;
TCCR1B |= 1<<CS10 | 1<<CS11;
int LEDNumber[2];
while(1)
{
if (TCNT1 > 3906)
{
TCNT1 = 0;
PORTC = 1<<LEDNumber[0];
LEDNumber[0] ++;
if (LEDNumber[0] > 3)
{
LEDNumber[0] = 0;
PORTD = 1<<LEDNumber[1];
LEDNumber[1] ++;
if (LEDNumber[1] > 3)
LEDNumber[1] = 0;
}
}
}
}

VHDL CODE FOR BOOTH MULTIPLIER

HEY GUYS THIS IS THE VHDL CODE FOR BOOTH MULTIPLIER GO THROUGH IT.


library ieee;
    use ieee.std_logic_1164.all;
    use ieee.numeric_std.all;
    use ieee.std_logic_unsigned.all;
   
    entity Boot is
        port(x, y: in std_logic_vector(3 downto 0);
             O: out std_logic_vector(7 downto 0));
    end Boot;
   
    architecture boot of Boot is
        begin
           
            process(x, y)
             variable a: std_logic_vector(8 downto 0);
             variable s,p : std_logic_vector(3 downto 0);
             variable i:integer;


                begin
                    a := "000000000";
                    s := y;
                    a(4 downto 1) := x;
                   
                    for i in 0 to 3 loop
                       if(a(1) = '1' and a(0) = '0') then
                          p := (a(8 downto 5));
                          a(8 downto 5) := (p - s);
                         
                       elsif(a(1) = '0' and a(0) = '1') then
                          p := (a(8 downto 5));
                          a(8 downto 5) := (p + s);
                         
                       end if;
                     
                       a(7 downto 0) := a(8 downto 1);
                     
                    end loop;
                   
                    O(7 downto 0) <= a(8 downto 1);
                   
                end process;
               
            end boot;

VHDL CODE FOR SQUARE OF 3 BIT NUMBER

HEY GUYS I HAD DEVELOPED VHDL CODE TO FIND SQUARE OF 3 BIT NUMBER .GO THROUGH IT !!!



library ieee;
use ieee.std_logic_1164.all;
use ieee.std_logic_unsigned.all;

entity squ is

port(
a : in std_logic_vector( 2 downto 0);
b : out std_logic_vector(5 downto 0)
);

end squ;
architecture squ of squ is
begin
process(a)
begin
b(0)<= a(0);
b(1)<= '0';
b(2)<= a(1) and (not(a(0)));
b(3)<= (a(2) xor a(1)) and a(0);
b(4)<= a(2) and ((not(a(1))) or a(0));
b(5)<= a(2) and a(1);
end process;
end architecture;