/*  Name     : main.c
 *  Purpose  : Source code for LED Interfacing with PIC18F4550.
 *  Author   : Gemicates
 *  Date     : 2017-06-10
 *  Website  : www.gemicates.org
 *  Revision : None
 */
#include <htc.h>                   // Header file for PIC18F4550
#define _XTAL_FREQ 12000000        // 12MHZ

#define LED PORTB                  // PORTB as Output
#define LED9 PORTCbits.RC0         // PORTC as Output
#define LED10 PORTDbits.RD0        // PORTD as Output
#define SW PORTDbits.RD1           // PORTD as Output

/**********CONFIGURATION BITS SETTING**********/
#pragma config FOSC = HSPLL_HS     // Using 20 MHz crystal with PLL
#pragma config PLLDIV = 5          // Divide by 5 to provide the 96 MHz PLL with 4 MHz input
#pragma config PBADEN = OFF
#pragma config CPUDIV = OSC1_PLL2  // Divide 96 MHz PLL output by 2 to get 48 MHz system clock
#pragma config FCMEN = OFF         // Disable Fail-Safe Clock Monitor
#pragma config IESO = OFF          // Disable Oscillator Switchover mode
#pragma config PWRT = OFF          // Disable Power-up timer
#pragma config BOR = OFF           // Disable Brown-out reset
#pragma config WDT = OFF           // Disable Watchdog timer
#pragma config MCLRE = ON          // Enable MCLR Enable
#pragma config LVP = OFF           // Disable low voltage ICSP
#pragma config ICPRT = OFF         // Disable dedicated programming port (only on 44-pin devices)
#pragma config CP0 = OFF           // Disable Code Protection Bit
/************************************************/

		

void main()									
{
    TRISB = 0x00;                  // PORTB as Output       
                                 
    TRISC = 0xfe;                  // RC0 as Output
    TRISD = 0xfe;                  // RD0 as Output
	
					
    while(1)			   // Loop executed infinite times		   			
    {
	if(SW==0)                  // LED turn OFF using Push Button
        {
         LED10 = 1;                // LED OFF Condition
        }                       
	if (SW==1)                 // LED turn ON using Push Button           
	{
            LED10 = 0;             // LED ON Condition    	
	}
	LED = 0xff;	           // LED OFF Condition	                  
        __delay_ms(50);            // delay of 50ms              
	LED = 0x00;	     	   // LED ON Condition                 
        __delay_ms(50);            // delay of 50ms             
	
	LED9 = 0;                  // LED ON Condition      
	__delay_ms(50);            // delay of 50ms              
	LED9 = 1;                  // LED OFF Condition              
	__delay_ms(50);            // delay of 50ms 
    }	
}