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

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LAMPIRAN A

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LAMPIRAN B

Program Keseluruhan Pada Mikrokontroler ATMega8535

/***************************************************** This program was produced by the

CodeWizardAVR V1.25.3 Standard Automatic Program Generator

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 <mega8535.h>

// Alphanumeric LCD Module functions #asm

.equ __lcd_port=0x15 ;PORTC #endasm

#include <lcd.h> #include <stdio.h> #include <delay.h> #include <math.h>

#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

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// 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

// State7=T State6=T State5=T State4=P State3=P State2=P State1=P State0=P

PORTB=0x1F; DDRB=0x00;

// Port C initialization

// 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

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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;

// 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

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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")

lcd_putsf("Manonggor"); lcd_gotoxy(6,1);

lcd_putsf("USU"); delay_ms(500);

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temp8=nilai/51; nilai=(nilai-511)/51;

nilai1=adc_data[1]; nilai1=nilai1*0.26667;

if (nilai1>=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) {cos_phi=1;} 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<=100;i++) {

sudut=sudut+1;

if (adc_data[0]==0.0){break;} delay_us(50);

}}

cos_phi=cos(sudut);

/* if (sudut<=10) {cos_phi=sudut/10.15;} else

{if (sudut<=20) {cos_phi=sudut/21.28;} else

{if (sudut<=60) {cos_phi=sudut/120;} else

if (sudut<=80) {cos_phi=sudut/460.7;} else

{if (sudut<=90) {cos_phi=0;}}}}}}}} */

if (mode==7 && cos_phi <=0.82) {mode=0; PORTD.2=0; PORTD.3=0; PORTD.4=0; PORTD.5=0;}

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{if (mode==6 && cos_phi <=0.82) {mode=7; {mode=4; PORTD.4=0; PORTD.5=1;}

else

{if (mode==2 && cos_phi <=0.82) {mode=3; PORTD.3=0; PORTD.4=1;}

else

{if (mode==1 && cos_phi <=0.82) {mode=2; PORTD.2=0; PORTD.3=1;}

else

{if (ind1==1 && cos_phi <=0.82) {mode=1; PORTD.2=1;}}}}}}}}

lcd_clear();

sprintf(data,"Cos Phi=%0.2f",cos_phi); lcd_gotoxy(0,0);

lcd_puts(data);

sprintf(data,"A=%0.2f",arus); lcd_gotoxy(0,1);

lcd_puts(data);

tegangan=arus*5; tegangan=210-tegangan;

sprintf(data,"T=%0.0f",tegangan); lcd_gotoxy(8,1);

lcd_puts(data);

if(PINB.1==0) {

if(ind2==0) {ind2=1; PORTD.2=1;} else {ind2=0; PORTD.2=0;}

} if(PINB.2==0) {

if(ind3==0) {ind3=1; PORTD.3=1; } else {ind3=0; PORTD.3=0;}

}

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} if(PINB.4==0)

{

}

if(PINB.0==0) {

if(ind1==0) {ind1=1;} else {ind1=0; PORTD.2=0; PORTD.3=0; PORTD.4=0; PORTD.5=0; mode=0;}

} if (ind1==1)

{sprintf(data,"OT",cos_phi); lcd_gotoxy(14,0);

lcd_puts(data);} else

{sprintf(data,"MA",cos_phi); lcd_gotoxy(14,0);

lcd_puts(data); }

sprintf(data,"%d",mode); lcd_gotoxy(15,1); lcd_puts(data);

delay_ms(1000); };