#include <xc.h>				
//#include <p18f4553.h>				
				
#pragma config PLLDIV   = 5         // (20 MHz crystal on PICDEM FS USB board)
#pragma config CPUDIV   = OSC1_PLL2
#pragma config USBDIV   = 2         // Clock source from 96MHz PLL/2
#pragma config FOSC     = HSPLL_HS
#pragma config FCMEN    = OFF
#pragma config IESO     = OFF
#pragma config PWRT     = OFF
#pragma config BOR      = ON
#pragma config BORV     = 3
#pragma config VREGEN   = ON      //USB Voltage Regulator
#pragma config WDT      = OFF
#pragma config WDTPS    = 32768
#pragma config MCLRE    = ON
#pragma config LPT1OSC  = OFF
#pragma config PBADEN   = OFF
//#pragma config CCP2MX   = ON
#pragma config STVREN   = ON
#pragma config LVP      = OFF
//#pragma config ICPRT    = OFF       // Dedicated In-Circuit Debug/Programming
#pragma config XINST    = OFF       // Extended Instruction Set
#pragma config CP0      = OFF
#pragma config CP1      = OFF
//#pragma config CP2      = OFF
//#pragma config CP3      = OFF
#pragma config CPB      = OFF
//#pragma config CPD      = OFF
#pragma config WRT0     = OFF
#pragma config WRT1     = OFF
//#pragma config WRT2     = OFF
//#pragma config WRT3     = OFF
#pragma config WRTB     = OFF       // Boot Block Write Protection
#pragma config WRTC     = OFF
//#pragma config WRTD     = OFF
#pragma config EBTR0    = OFF
#pragma config EBTR1    = OFF
//#pragma config EBTR2    = OFF
//#pragma config EBTR3    = OFF
#pragma config EBTRB    = OFF				
				
#define _XTAL_FREQ  48000000             //__delay_ms				
#define	SW1         PORTEbits.RE0			
#define	SW2         PORTEbits.RE1			
#define	LED         PORTEbits.RE2			
				
int n;				
				
void init(void)				
{				
    ADCON1  =	0b00001111;			
    TRISA   =	0b00000000;			
    TRISB   =	0b00000000;			
    TRISC   =	0b00110000;         //D-,D+			
    TRISD   =	0b00000000;			
    TRISE   =   0b00000011;         //SW1,2=INPUT LED=OUTPUT				
    LATA    =	0b00000000;			
    LATB    =	0b00000000;			
    LATC    =	0b00000000;			
    LATD    =	0b00000000;			
    LATE    =	0b00000000;			
				
}				
				
void main(void)				
 {				
	init();			
	n = 20;			
	while(1)			
	{			
		for ( int i = 0; i < n; i++ ) __delay_ms( 10 ); //10mS		
		LED = !LED;		
		if(SW2 == 0)		
		{		
			n = n+1;	
			if (n >= 40)	
			{	
				n = 1;
			}	
		}		
		if(SW1 == 0)		
		{		
			n = n-1;	
			if (n <= 0)	
			{	
				n = 40;
			}	
		}		
	}			
}