Perancangan Sistem Perbaikan Faktor Daya (cos ) Otomatis Dengan Menggunakan Mikrokontroler ATMega8535

LAMPIRAN A
Gambar Rangkaian Keseluruhan

Universitas Sumatera Utara

LAMPIRAN B
Program Keseluruhan Pada Mikrokontroler ATMega8535
/*****************************************************
This program was produced by the
CodeWizardAVR V1.25.3 Standard
Automatic Program Generator
© Copyright 1998-2007 Pavel Haiduc, HP InfoTech s.r.l.
http://www.hpinfotech.com
Project :
Version :
Date
: 4/23/2009
Author : F4CG
Company : F4CG
Comments:

Chip type
: ATmega8535
Program type
: Application
Clock frequency
: 4.433619 MHz
Memory model
: Small
External SRAM size : 0
Data Stack size
: 128
*****************************************************/
#include
// Alphanumeric LCD Module functions
#asm
.equ __lcd_port=0x15 ;PORTC
#endasm
#include
#include
#include

#include
#define FIRST_ADC_INPUT 0
#define LAST_ADC_INPUT 1
unsigned int adc_data[LAST_ADC_INPUT-FIRST_ADC_INPUT+1];
#define ADC_VREF_TYPE 0x40
// ADC interrupt service routine
// with auto input scanning
interrupt [ADC_INT] void adc_isr(void)
{
register static unsigned char input_index=0;
// Read the AD conversion result
adc_data[input_index]=ADCW;

Universitas Sumatera Utara

// Select next ADC input
if (++input_index > (LAST_ADC_INPUT-FIRST_ADC_INPUT))
input_index=0;
ADMUX=(FIRST_ADC_INPUT | (ADC_VREF_TYPE &
0xff))+input_index;

// Start the AD conversion
ADCSRA|=0x40;
}
// Declare your global variables here
int ind1, ind2, ind3, ind4, ind5, i, in1, mode, sudut;
float nilai, nilai1, cos_phi, arus, tegangan, temp8,
cos(float x);
unsigned char data[16];
void main(void)
{
// Declare your local variables here
// Input/Output Ports initialization
// Port A initialization
// Func7=In Func6=In Func5=In Func4=In Func3=In Func2=In
Func1=In Func0=In
// State7=T State6=T State5=T State4=T State3=T State2=T
State1=T State0=T
PORTA=0x00;
DDRA=0x00;
// Port B initialization

// Func7=In Func6=In Func5=In Func4=In Func3=In Func2=In
Func1=In Func0=In
// State7=T State6=T State5=T State4=P State3=P State2=P
State1=P State0=P
PORTB=0x1F;
DDRB=0x00;
// Port C initialization
// Func7=In Func6=In Func5=In Func4=In Func3=In Func2=In
Func1=In Func0=In
// State7=T State6=T State5=T State4=T State3=T State2=T
State1=T State0=T
PORTC=0x00;
DDRC=0x00;
// Port D initialization
// Func7=In Func6=In Func5=Out Func4=Out Func3=Out
Func2=Out Func1=In Func0=In
// State7=T State6=T State5=0 State4=0 State3=0 State2=0
State1=T State0=T

Universitas Sumatera Utara

PORTD=0x00;
DDRD=0x3C;
// Timer/Counter 0 initialization
// Clock source: System Clock
// Clock value: Timer 0 Stopped
// Mode: Normal top=FFh
// OC0 output: Disconnected
TCCR0=0x00;
TCNT0=0x00;
OCR0=0x00;
// Timer/Counter 1 initialization
// Clock source: System Clock
// Clock value: Timer 1 Stopped
// Mode: Normal top=FFFFh
// OC1A output: Discon.
// OC1B output: Discon.
// Noise Canceler: Off
// Input Capture on Falling Edge
// Timer 1 Overflow Interrupt: Off

// Input Capture Interrupt: Off
// Compare A Match Interrupt: Off
// Compare B Match Interrupt: Off
TCCR1A=0x00;
TCCR1B=0x00;
TCNT1H=0x00;
TCNT1L=0x00;
ICR1H=0x00;
ICR1L=0x00;
OCR1AH=0x00;
OCR1AL=0x00;
OCR1BH=0x00;
OCR1BL=0x00;
// Timer/Counter 2 initialization
// Clock source: System Clock
// Clock value: Timer 2 Stopped
// Mode: Normal top=FFh
// OC2 output: Disconnected
ASSR=0x00;
TCCR2=0x00;

TCNT2=0x00;
OCR2=0x00;
// External Interrupt(s) initialization
// INT0: Off
// INT1: Off
// INT2: Off
MCUCR=0x00;

Universitas Sumatera Utara

MCUCSR=0x00;
// Timer(s)/Counter(s) Interrupt(s) initialization
TIMSK=0x00;
// Analog Comparator initialization
// Analog Comparator: Off
// Analog Comparator Input Capture by Timer/Counter 1:
Off
ACSR=0x80;
SFIOR=0x00;
// ADC initialization

// ADC Clock frequency: 554.202 kHz
// ADC Voltage Reference: AVCC pin
// ADC High Speed Mode: Off
// ADC Auto Trigger Source: None
ADMUX=FIRST_ADC_INPUT | (ADC_VREF_TYPE & 0xff);
ADCSRA=0xCB;
SFIOR&=0xEF;
// LCD module initialization
lcd_init(16);
// Global enable interrupts
#asm("sei")
mode=0;
in1=0;
ind1=0;
ind2=0;
ind3=0;
ind4=0;
ind5=0;
PORTD.2=0;
PORTD.3=0;

PORTD.4=0;
PORTD.5=0;
lcd_gotoxy(4,0);
lcd_putsf("Manonggor");
lcd_gotoxy(6,1);
lcd_putsf("USU");
delay_ms(500);
while (1)
{
// Place your code here
tegangan=0;
arus=0;
for(i=1;i=tegangan) {tegangan=nilai1;}
if (nilai>=arus) {arus=nilai;}
delay_us(20);
}
while (adc_data[1]==0.0){delay_us(2);}
while (adc_data[1]!=0.0){delay_us(2);}
if (adc_data[1]==0.0 && adc_data[0]==0.0)
else

{
while (adc_data[1]==0.0){delay_us(2);}
while (adc_data[1]!=0.0){delay_us(2);}
sudut=0;
for(i=1;i