#include <p18f4550.h>
#include <delays.h>
#pragma config FOSC = INTOSCIO_EC //Internal oscillator, port function on RA6, EC used by USB
#pragma config WDT = OFF //Disable watchdog timer
#define LEDPin LATDbits.LATD1 //Define LEDPin as PORT D Pin 1
#define LEDTris TRISDbits.TRISD1 //Define LEDTris as TRISD Pin 1
void main()
{
LEDTris = 0;//Set LED Pin data direction to OUTPUT
LEDPin = 1;//Set LED Pin
while(1)
{
LEDPin = ~LEDPin;//Toggle LED Pin
Delay10KTCYx(25);//Delay 250K cycles (1 second at 1MHz since each instruction takes 4 cycles)
}
}
Connect an LED in series with a resitor towards ground from the pin number 1
of the port D of the PIC.