C 17
How to make menu in c using AVR Guest on 13th February 2025 02:42:59 PM
  1. #include <mega32.h>
  2. #include <delay.h>
  3.  
  4.  
  5. void main(void)
  6. {
  7.     char a=0,b=0,c=0,d=0;
  8.     int s = 4;
  9.     DDRA = 0xFF ;
  10.     DDRB = 0xFF ;
  11.     DDRC = 0xFF ;
  12.     DDRD = 0xFF ;
  13. while (1)
  14.       {
  15.       PORTA = a;
  16.       PORTB = b;
  17.       PORTC = c;
  18.       PORTD = d;
  19.      
  20.       switch (s){
  21.       case 0 :
  22.         a <<= 1;  
  23.         if(a==0)
  24.         {  
  25.         s=1;    
  26.         b=0b00000001;
  27.         }
  28.       break;
  29.      
  30.      
  31.       case 1 :
  32.        b <<= 1;  
  33.         if(b==0)
  34.         {
  35.         s=2;
  36.         c=0b00000001;
  37.         }
  38.       break;
  39.       case 2:
  40.         c <<= 1;
  41.         if(c==0)
  42.         {
  43.         s=3;
  44.         d=0b00000001;
  45.         }
  46.       break;
  47.       case 3:
  48.         d <<= 1;
  49.         if(d==0)
  50.         s=4;  
  51.       break;
  52.      
  53.       case 4 :
  54.         a=0b00000001;
  55.         s = 0;
  56.       break;
  57.       }
  58.      
  59.      
  60.      
  61.       delay_ms(100);
  62.       }
  63. }

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