quote:



//MK


const int pot_pin = A0;
const int feedback = A1;
int pot = 0;
int cikti = 0;
int vout = 0;
int vpot = 0;
int duty = 1;
int bosluk = 510;
int i=0;

void setup() {
cli(); // stop interrupts
TCCR1A = 0xF2 ; // phase correct (mode 1010, ICR1 controls period)
TCCR1B = 0x01 ; // prescale by 1, change to 0x12 for prescale by 8
TIMSK1 = 0x01 ; // overflow interrupt
ICR1 = 500 ; // 31.25us cycle time, 32kHz PWM but 64kHz drive pulses (differential)
OCR1A = 125-100 ; // example U drive
OCR1B = 125 ;
GTCCR = 0x83 ; // clear and halt prescalers
TCNT1 = 0xFFFF ; // synchronize counters exactly.
GTCCR = 0x00 ; // allow prescalers to fly
sei(); // allow interrupts
pinMode(pot_pin, INPUT);
pinMode(feedback, INPUT);
pinMode(9, OUTPUT);
pinMode(10, OUTPUT);
Serial.begin(9600);

}

ISR(TIMER1_OVF_vect){

OCR1A=bosluk; //dutyi buradan ayarla
OCR1B=511-bosluk;
}



void loop(){

oku(); //potansiyometreden istenen gerilim ve cikistan alinan gerilimi okutuyoruz

/*while(i==0){//yumusak baslama icin fonksiyon

for(i=1;i<4;i=i++){
duty=i*100;
bosluk=511-duty;
delay(20);
}
}*/
oku();

if(vout < vpot){//istenen gerilim cikis geriliminden buyuk ise calistirir

while(vout<vpot){
duty=duty+4;
dutybelirleme();
delay(50);
oku();
}
}
else if(vout > vpot){//istenen gerilim cikis geriliminden kucuk ise calisir

while(vout>vpot){
duty=duty-32;
dutybelirleme();
delay(20);
oku();
}
}

//delay(10);

}

void dutybelirleme(){

if(duty>490){
duty=490;
}
else if(duty<10){
duty=10;
}
bosluk=511-duty;
}

void oku(){
pot = analogRead(pot_pin);
//vpot= map ( pot , 0, 1023 , 0 , 1023);
vpot=pot;
//499=5.0 V

cikti = analogRead(feedback );
//vout= map ( cikti , 0, 1023 , 0 , 1023);
vout=cikti;
//399=40.0 V

if(vpot>820){
vpot=820;

}
delay(10);
}