/*******************************************************************
* FileName:        LEDs Following Buttons.c
* Processor:       PIC18F4520
* Compiler:        MPLAB C18 v.3.06 
*
* Program makes the PORTB pins 0-4 follow the state of RA4
*  You will be changing the code to have each LED be controlled differently
*
* Creation and Revisions:
*      Author               Date			Comments
*   (your name)
********************************************************************/

/** Header Files ***************************************************/     
#include <p18f4520.h> 

/** Constant #defines **********************************************/     
#define BUTTON_PRESSED 		0
#define BUTTON_NOT_PRESSED 	1
#define LED_ON 				1
#define LED_OFF				0

/** Configuration Bits *********************************************/     
#pragma config OSC = INTIO67  //Default 1MHz Internal clock
#pragma config WDT = OFF
#pragma config LVP = OFF
#pragma config BOREN = OFF
#pragma config XINST = OFF
	

/*******************************************************************
* Function:        void main(void)
********************************************************************/
#pragma code
void main (void)
{
	ADCON1 = 0x0F;
	TRISA = 0xFF;
	TRISB = 0x00;
	
	while (1)
    {
	    // RB0 & RB1 control
	    if( PORTAbits.RA4 == BUTTON_PRESSED) {
		    PORTBbits.RB0 = LED_ON;
		    PORTBbits.RB1 = LED_OFF;
		}
		else {
		    PORTBbits.RB0 = LED_OFF;
		    PORTBbits.RB1 = LED_ON;
		}
		
		// RB2 & RB3 control
	    if( PORTAbits.RA4 == BUTTON_PRESSED) {
		    PORTBbits.RB2 = LED_ON;
		    PORTBbits.RB3 = LED_OFF;
		}
		else {
			PORTBbits.RB2 = LED_OFF;
		    PORTBbits.RB3 = LED_ON;
		}
	    
	    // RB4 control
		if( PORTAbits.RA4 == BUTTON_PRESSED) {
		    PORTBbits.RB4 = LED_ON;
		}
		else {
		    PORTBbits.RB4 = LED_OFF;
		}
   }
}