4Button Latch with PIC 16F877A Microcontroller in PMLAB IDE

Download links

Binary file--

https://drive.google.com/file/d/1epSNl9kr73Ob__JnYGZGZBSZXIOtD9uE/view?usp=sharing

MPLAB.C file--

https://drive.google.com/file/d/1IWnJpzJBHXN1jPJR-MjLUkMWEC-_hVfG/view?usp=sharing 

Proteus Circuit--

 https://drive.google.com/file/d/1epSNl9kr73Ob__JnYGZGZBSZXIOtD9uE/view?usp=sharing


/*MPLAB Code for 4 button Latch with PIC16F877A
 * File:   4Buttonmain.c
 * Author: Anokhautomation
 *
 * Created on July 12, 2022, 12:02 AM
 */
#include <xc.h>
__CONFIG(FOSC_HS & WDTE_OFF & PWRTE_OFF & BOREN_OFF & LVP_OFF & CPD_OFF & WRT_OFF & CP_OFF);
#define _XTAL_FREQ 10000000
#define SW1 RD4//connect button 1 to Pin RD4
#define SW2 RD5//connect button 2 to Pin RD5
#define SW3 RD6//connect button 3 to Pin RD6
#define SW4 RD7//connect button 4 to Pin RD7
void main(void) {
  TRISB = 0X00;//Set PORTB pins to OUTPUT 
PORTB = 0X00; // at Initial, value of PORTB are 0

     while(1){

              if(SW1==1){ //if button1 is  Pressed

                         RB0 = ~RB0;   // Change the RB0 current state to opposit state


                         while(SW1==1);     // switch debounce

                         }

              if(SW2==1){//if button2 is  Pressed

                         RB1= ~RB1;    // Change the RB1current state to opposit state

                         while(SW2==1);        // Switch debounce

                         }

              if(SW3==1){//if button3 is  Pressed

                         RB2 = ~RB2;     // Change the RB2current state to opposit state


                         while(SW3==1);           // Switch debounce

                         }

              if(SW4==1){//if button4 is  Pressed

                         RB3= ~RB3;      // Change the RB3current state to opposit state


                         while(SW4==1);            // Switch debounce
}
 }
return;
}
  
    
    
    
    
    


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