Interfacing of Push Button With ATmega16

In this tutorial, we will learn how to interface a switch(push button) with ATMEGA16 using AVR studio. In the previous video, we learnt how to interface LEDs with ATMEGA16 using AVR studio.
The push-button is a component that connects two points in a circuit when you press it. The example turns on an LED when you press the button. Here we have connected two push button to PORT C in PC0 & PC1. And for LEDs connection please refer my previous blog.

Components Required:-

AVR Controller(Atmega16)
LEDs
Push Button
Connecting Wires
USBASP Programmer

Dump the following code after connection and select chip ATMEGA 16.
#include<avr/io.h>
#include<util/delay.h>

void main()
{
   DDRB=0b11111111;
   int S1;
   int S2;

   while(1)
   {
    S1=PINC&0b00000001;
    S2=PINC&0b00000010;
    if(S1==0b00000001)
    {
    PORTB=0b00000001;
    _delay_ms(100);
    }
    if(S2==0b00000010)
    {
    PORTB=0b00000010;
    _delay_ms(100);
    }
   }
   }

After generating the hex file from AVR Studio, flash it in the chip and the following output can be seen.

Thank You

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