Institutional Repository | Satya Wacana Christian University: Beban Elektronik Pengujian Regulasi Catu Daya

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LAMPIRAN A SCEMATIC DIAGRAM

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LAMPIRAN B

SOURCE CODE BEBAN ELEKTRONIK /***************************************************** This program was produced by the

CodeWizardAVR V2.05.3 Standard Automatic Program Generator

Project : Version :

Date : 8/10/2015 Author : monica Company : Comments:

Chip type : ATmega32 Program type : Application

AVR Core Clock frequency: 11.059200 MHz Memory model : Small

External RAM size : 0 Data Stack size : 512

*****************************************************/ #include <mega32.h>

#include <delay.h> #include <stdio.h> #include <stdlib.h> #include <string.h>

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#define a 7 #define b 3

#define ADC_VREF_TYPE 0x40

// Read the AD conversion result

unsigned int read_adc(unsigned char adc_input) {

ADMUX=adc_input | (ADC_VREF_TYPE & 0xff);

// Delay needed for the stabilization of the ADC input voltage delay_us(10);

// Start the AD conversion ADCSRA|=0x40;

// Wait for the AD conversion to complete while ((ADCSRA & 0x10)==0);

ADCSRA|=0x10;

return ADCW; }

// Declare your global variables here int z;

char key; int I;

float nowCurrent, prevCurrent, current, nowTemp, prevTemp, temp; char input[5] = {0};

char OCRO_val[3] = {0}; char arusPilih[3] = {0}; char loadCurrent[10]; char deviceTemp[10] = {0};

void bacaArus(){

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//nowCurrent = ((a*nowCurrent)+(b*prevCurrent))/(a+b); //prevCurrent = nowCurrent;

current = (nowCurrent*0.04886)-25.01629; ftoa(current,3,loadCurrent);

}

void bacaSuhu(){

nowTemp = read_adc(2);

nowTemp = ((a*nowTemp)+(b*prevTemp))/(a+b); prevTemp = nowTemp;

temp = (nowTemp*500)/1024; ftoa(temp,3,deviceTemp); }

char get_keypad(){ PORTD=0xfe;

//delay_ms(40);

if(PIND.4==0)return '6'; if(PIND.5==0)return '2'; if(PIND.6==0)return '0'; if(PIND.7==0)return '8'; PORTD=0xfc;

//delay_ms(40);

if(PIND.4==0)return '5'; if(PIND.5==0)return '1'; if(PIND.6==0)return '.'; if(PIND.7==0)return '7'; PORTD=0xfb;

//delay_ms(40);

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if(PIND.6==0)return 'D'; if(PIND.7==0)return 'C'; PORTD=0xf7;

//delay_ms(40);

if(PIND.4==0)return 'B'; if(PIND.5==0)return '3'; if(PIND.6==0)return '#'; if(PIND.7==0)return '9'; //PORTD=0x00;

//delay_ms(1); return (key); }

void input_arus(){ float arus, val = 0; int cnt = 0;

char key=0; I = 0; lcd_clear(); if(I<1) I = 1; if(I>255) I = 255;

while(1){

key = get_keypad();

if(key>='0' && key <='9' && cnt<3){ input[cnt] = key;

cnt++;

input[cnt] = 0; }

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cnt++;

input[cnt] = 0; }

if(key=='C' && cnt>0){ cnt--;

input[cnt] = 0; lcd_clear(); }

if(key=='D' && cnt>0){ val = (float)atof(input); if(val<0.2 || val>5){ lcd_clear();

lcd_putsf("INPUT SALAH !!"); delay_ms(500);

lcd_clear(); }

else{

arus = val;

ftoa(arus,2,arusPilih); I=( arus/5 ) * 255; itoa(I,OCRO_val); lcd_clear();

lcd_putsf("INPUT BENAR"); delay_ms(500);

lcd_clear(); lcd_gotoxy(0,0);

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lcd_putsf("SET ARUS : "); lcd_puts(input);

// lcd_gotoxy(17,1); lcd_putsf(" A"); lcd_gotoxy(0,2);

lcd_putsf("I LOAD : "); lcd_puts(loadCurrent); // lcd_gotoxy(17,2); lcd_putsf(" A"); lcd_gotoxy(0,3); lcd_putsf("SUHU : "); // lcd_gotoxy(17,2); lcd_puts(deviceTemp); lcd_putsf(" T");

return; }

}

lcd_clear(); lcd_gotoxy(0,0); lcd_putsf("OCR0 : "); lcd_puts(OCRO_val); //lcd_gotoxy(17,0); lcd_putsf("b"); lcd_gotoxy(0,1);

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lcd_puts(loadCurrent); lcd_putsf(" A"); lcd_gotoxy(0,3); lcd_putsf("SUHU : "); //lcd_gotoxy(17,3); lcd_puts(deviceTemp); lcd_putsf(" T");

delay_ms(200); }

}

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=Out Func2=In Func1=In Func0=In // State7=T State6=T State5=T State4=T State3=0 State2=T State1=T State0=T PORTB=0x00;

DDRB=0x08;

// 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;

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// Port D 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 PORTD=0xF0;

DDRD=0x0F;

// Timer/Counter 0 initialization // Clock source: System Clock // Clock value: 10.800 kHz // Mode: Fast PWM top=0xFF // OC0 output: Non-Inverted PWM TCCR0=0x6D;

TCNT0=0x00; OCR0=0x00;

// Timer(s)/Counter(s) Interrupt(s) initialization TIMSK=0x00;

// ADC initialization

// ADC Clock frequency: 691.200 kHz // ADC Voltage Reference: AVCC pin ADMUX=ADC_VREF_TYPE & 0xff; ADCSRA=0x84;

// Alphanumeric LCD initialization // Connections are specified in the

// Project|Configure|C Compiler|Libraries|Alphanumeric LCD menu: // RS - PORTC Bit 0

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// D4 - PORTC Bit 4 // D5 - PORTC Bit 5 // D6 - PORTC Bit 6 // D7 - PORTC Bit 7 // Characters/line: 16 lcd_init(20);

bacaArus(); bacaSuhu(); input_arus(); OCR0=I; while (1) {

lcd_clear();

// Place your code here bacaArus();

bacaSuhu();

if((get_keypad()=='A')&&(OCR0<255)){ //OCR0+=1;

I += 1; OCR0 = I; }

if((get_keypad()=='B')&&(OCR0>0)){ //OCR0-=1;

I -= 1; OCR0 = I; }

if(get_keypad()=='#'){ I=1;

OCR0=I;

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itoa(z,input); input_arus(); OCR0=I; }

lcd_clear(); lcd_gotoxy(0,0);

lcd_putsf("BEBAN ELEKTRONIK"); //lcd_puts(OCRO_val);

//lcd_gotoxy(17,0); //lcd_putsf(" b");

lcd_gotoxy(0,1);

//lcd_gotoxy(17,1); lcd_putsf(" A");

lcd_gotoxy(0,2); lcd_putsf("I LOAD: "); lcd_puts(loadCurrent); // lcd_gotoxy(17,2); lcd_putsf(" A");

lcd_gotoxy(0,3); lcd_putsf("SUHU : "); lcd_puts(deviceTemp); //lcd_gotoxy(17,3); lcd_putsf(" C"); delay_ms(1000); }

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LAMPIRAN C DOKUMENTASI ALAT

Gambar C.1 tampak depan