First undertaking is about the utilization of LEDs use in PIC microcontroller utilizing C language Program.

First undertaking is about the utilization of LEDs use in PIC microcontroller utilizing C language Program.

Program (mplab)

#include <xc.h>

#include <pic18f458.h>

#define LED PORTC

void main(void)

{

TRISC=0;

PORTC=00;

LED=0;

for(;;)

{

PORTC++;

LED++;

}

return;

}

Output on proteus simulation

Write a C18 Program to toggle all bits of PORTB continuously with a delay of 250 ms.    

Program (mplab)

#include <xc.h>

#include <pic18f458.h>

void MSDelay(unsigned int);

void main(void)

{

TRISC=0;

while(1)

{

PORTC=0x55;

MSDelay(250);

PORTC=0xAA;

MSDelay(250);

return;

}

}

void MSDelay(unsigned int itime)

{

unsigned int i;

unsigned int j;

for(i=0; i < itime; i++)

for(j=0; j < 165; j++);

}

Output on proteus simulation