//Program to flash LEDs
//Written for PIC12F683 to be compiled with the CC5X compiler
//Clock frequency not changed from 4MHz default
//Copyright David Theunissen 2007 www.flyelectric.ukgateway.net

//PREPROCESSOR section

#include "12F683.H"				//PIC chip file (don't also specify in cmd prompt)

#include "delay_ms.h"			//Delay function used below
								//#include files must be in same folder as cc5x.exe if no path

#pragma config = 0b.0.1100.0100	//Brown-out Detect disabled (0)
								//Code Protect off (1)
								//MCLR set to 'Internal' (1) (LEDs don't flash with other setting)
								//Powerup timer enabled (0)
								//Watchdog timer disabled (0)
								//Oscillator set to INTRCIO (100)
								
//VARIABLES section

#define LED0 GPIO.0				//Labels for General Purpose ports
#define LED2 GPIO.2
	

//FUNCTIONS section
	
void main()
{
    TRISIO = 0b.010;			//Sets GP0 and GP2 to be Outputs
    							//Can also use TRISIO0 = 0; or TRISIO.0 = 0; (for GP0)
    							
    ANS0 = 0;					//Set ADC port AN0 and AN2 to digital (not enabled)
    ANS2 = 0;					//Can also use ANSEL = 0b.010; (does both)
   
    CMCON0 = 0b.111;			//Switches all 3 comparator ports off (= all digital)
			
    while (1)
    {
	    LED0 = 0;				//Switch specified LED off (0) / on (1)
	    LED2 = 0;				
	    delay_ms(250);			//Invokes delay function (eg: 500ms = 0.5 second)
       	
       	LED0 = 1;
       	delay_ms(250);			
  
	    LED0 = 0;
       	delay_ms(250);
        	
       	LED2 = 1;
       	delay_ms(1000);			
    
	}
}