//const int len = 16;
//char ch;
//int i absolute 0x111;
//char *text;
void main() {
  // first all analog pins are set to digital
     ANSEL = 0;
     ANSELH = 0;
     TRISC=0x00; // set port C as output port
     PORTC=0x00; // set all pins of port C the value of logical 0 , C7-C5 for our semaphore
     //TRISA=0x00; // set port A as output port
     PORTA=0x00; // set all pins of port A the value of logical 0
     TRISA.B3=1; //set switches to input pins
     //TRISA.B4=1;
     PORTA.B4=1; //semaphore is initially ON
     PORTA.B3=1; //semaphore is initially in day mode
     while(1){ // repeat
       if (PORTA.B4 ==0){  //semaphore is off
          PORTC.B5=0;
          PORTC.B6=0;
          PORTC.B7=0;
          }
       else {       //semaphore is on
          while(PORTA.B3 ==1 && PORTA.B4 == 1) {  // while in day mode and sem. is on
             PORTC.B7=1;
             Delay_ms(20);
             PORTC.B7=0;
             PORTC.B6=1;
             Delay_ms(5);
             PORTC.B6=0;
             PORTC.B5=1;
             Delay_ms(20);
             PORTC.B5=0;
             }
          while(PORTA.B3 ==0 && PORTA.B4 == 1) {  // while in night mode and sem. is on
             PORTC.B7=1;
             Delay_ms(12);
             PORTC.B7=0;
             PORTC.B6=1;
             Delay_ms(3);
             PORTC.B6=0;
             PORTC.B5=1;
             Delay_ms(12);
             PORTC.B5=0;
             }


       }

       }
}