ASSIGNMENT # 01-02Submitted to: Raheel Bhutta
Submitted by: Hammad Akbar
Roll No: E08-141 (A)
Date: 24th Oct, 2010
Embedded SystemsASSIGNMENT: 01
Q1: Get 8-bit data from PORTC and send it to PORTB &
PORTD?#include
#pragma config WDT=OFF
#pragma config OSC=HS
#pragma config LVP=OFF
#pragma config BOREN=OFF
void delay();
void main(void)
{
TRISC=1;
TRISB=0;
TRISD=0;
PORTB=PORTC;
PORTD=PORTC;
}Q2: Toggle all bits of PORTB & PORTC?#include
#pragma config WDT=OFF
#pragma config OSC=HS
#pragma config LVP=OFF
#pragma config BOREN=OFF
void delay();
void main(void)
{
TRISB=0;
TRISC=0;
while(1)
{
PORTB=0X55;
PORTC=0XAA;
delay();
PORTB=~PORTB;
PORTC=~PORTC;
}
}
delay();
{
T0CON=0X08;
TMROH=0X85;
TMROL=0XEE;
T0CONbits.TMRON=1;
while(INTCONbits.TMR0IF==0);
T0CONbits.TMRON=0;
INTCONbits.TMRIF=0;
}
Q3:#include
#pragma config WDT=OFF
#pragma config OSC=HS
#pragma config LVP=OFF
#pragma config BOREN=OFF
#define TWO PORTBbits.RB2
#define FIVE PORTBbits.RB5
void delay();
void main(void)
{
TRISBbits.TRISRB2=1;
TRISBbits.TRISRB5=1;
while(1)
{
mybit=0X55;
mybit2=0XAA;
delay();
TWO=~TWO;
FIVE=~FIVE;
}
}
delay()
{
T0CON=0X08;
TMROH=0X8C;
TMROL=0XEE;
T0CONbits.TMRON=1;
while(INTCONbits.TMR0IF==0);
T0CONbits.TMRON=0;
INTCONbits.TMRIF=0;
}
Q4: Get status of RC3 and put on R4
#include
#pragma config WDT=OFF
#pragma config OSC=HS
#pragma config LVP=OFF
#pragma config BOREN=OFF
#define two PORTCbits.RC3
#define five PORTCbits.RC4
void delay();
void main(void)
{
TRISCbits.TRISRC3=1;
TRISCbits.TRISRC4=0;
while(1)
{
Two=five;
}
ASSIGNMENT # 2Q1: Generate square with time period of 2.5
seconds?
#include
#pragma config WDT=OFF
#pragma config OSC=HS
#pragma config LVP=OFF
#pragma config BOREN=OFF
void delay();
void main(void)
{
TRISA=0;
PORTA=1;
while(1)
{
delay();
PORTA=~PORTA;
}
}
delay();
{
T0CON=0X06;
TMROH=0XA0;
TMROL=0XA1;
T0CONbits.TMRON=1;
while(INTCONbits.TMR0IF==0);
T0CONbits.TMRON=0;
INTCONbits.TMRIF=0;
Q2: Generate delay of 5ms,,with highest pre scale using TIMER3
?
#include
#pragma config WDT=OFF
#pragma config OSC=HS
#pragma config LVP=OFF
#pragma config BOREN=OFF
void delay();
void main(void)
{
delay();
}
delay();
{
T3CON=0X30;
TMR3H=0Xf6;
TMR3L=0X3C;
T3CONbits.TMRON=1;
while(PIR2bits.TMR0IF==0);
T3CONbits.TMRON=0;
PIR2bits.TMRIF=0;
}
Q3: PROGRAM TIMER1 to be an event counter, use 16 bit mode and
display binary count on PORTB & PORTC ?#include
#pragma config WDT=OFF
#pragma config OSC=HS
#pragma config LVP=OFF
#pragma config BOREN=OFF
void delay();
void main(void)
{
TRISB=0;
TRISC=0;
PORTB=0;
PORTC=0;
T1CON=0X00;
TMR1H=0X27;
TMR1L=0X10;
T1CONbits.TMRON=1;
PORTB=TMR1L;
PORTC=TMR1H;
while(PIR1bits.TMR0IF==0);
T1CONbits.TMRON=0;
PIR1bits.TMRIF=0;
}Q4: Generate square with Time delay of 30 m seconds ?
#include
#pragma config WDT=OFF
#pragma config OSC=HS
#pragma config LVP=OFF
#pragma config BOREN=OFF
#define mybit PORTBbits.RB7
void delay();
void main(void)
{
TRISBbits.TRISRB7=1;
mybit=1;
while(1)
{
delay();
mybit=~mybit;
}
}
delay();
{
T0CON=0X01;
TMROH=0X7C;
TMROL=0X2A;
T0CONbits.TMRON=1;
while(INTCONbits.TMR0IF==0);
T0CONbits.TMRON=0;
INTCONbits.TMRIF=0;
}
