AMES PRACTICAL

CODE #include<P18F4550.h> void delay(unsigned int time) { unsigned int i, j; for(i=0;i<time;i++) for(j=0;j<1000;j++); } void main( ) { unsigned char i, key = 0; TRISB = 0x00; //LED pins as output LATB = 0x00; ADCON1 = 0x0F; //set pins as Digital TRISAbits.TRISA2 = 1; //set RA2 as input TRISAbits.TRISA3 = 1; //set RA3 as input TRISAbits.TRISA5 = 0; //set buzzer pin RA5 as output while(1) { if(PORTAbits.RA2 == 0) key =0; //If switch1 pressed if(PORTAbits.RA3 == 0) key =1; //If switch2 pressed if(key = = 0) { LATAbits.LATA5 = 0; //Buzzer OFF for(i=0; i<8; i++) //Chase LED right to left { LATB = 1<<i; delay(100); LATB = 0x00; delay(100); } } if(key = = 1) { LATAbits.LATA5 = 1; //Buzzer ON for(i=7; i> 0 ;i--) //Chase LED left to right { LATB = 1<<i; delay(100); LATB = 0x00; delay(100); } } } }