//PROGRAMM FOR BLINKING LED
//
// PROCESSOR : PIC18LF8490
// CLOCK : 20MHz, EXTERNAL
#include <pic18.h>
// Configuration bit
__CONFIG(1, HS & FCMDIS & IESODIS) ;
__CONFIG(2, PWRTDIS & WDTDIS & BORDIS & BORV20) ;
__CONFIG(3, CCP2RC1 & LPT1DIS & MCLRDIS) ;
__CONFIG(4, XINSTEN & STVREN) ;
__CONFIG(5, UNPROTECT) ;
//Just simple delay
void Delay(unsigned long cntr) {
while (--cntr != 0);
}
// main function
void main( void ) {
INTCON = 0x0; // disable interupt
TRISB &= ~0x20; // led as output
PORTB |= 0x20; // led off -> high
// loop forever
while(1) {
// Toggle led
PORTB ^= 0x20;
// Simple delay
Delay(50000);
}
}
