Draaischijf_indexer.ino

#define STEPSPERROT (200)
#define MICROSTEPS (16)
#define INTERVALS (512)
#define MAGNETIZETIME (200) // miliseconds the magnet is powered. Hint from Aart: short, high current pulses (dump a capacitor) work best.
#define LEDPIN 17  // not 13 on pro micro, but 17
//#define DEBUG


#define FULLROTSTEPS (STEPSPERROT*MICROSTEPS)
#define STEPSPERINTERVAL (FULLROTSTEPS/INTERVALS)
#define REMAINDER_S (FULLROTSTEPS%INTERVALS)

void steps(int num, int dly=300){
  for(int i=0;i<num;i++){
    digitalWrite(2,HIGH);
    delayMicroseconds(dly/2);
    digitalWrite(2,LOW);
    delayMicroseconds(dly/2);
    }
  }

void magnetize(){
  digitalWrite(5,HIGH);
  delay(MAGNETIZETIME);
  digitalWrite(5,LOW);
  delay(200); // zodat relais ook weer af valt...
  }


void setup() {
  // put your setup code here, to run once:

  pinMode(16, INPUT); // jumper
  pinMode(2,OUTPUT);  // step
  pinMode(3,OUTPUT);  // dir
  pinMode(5, OUTPUT); // magnet
  pinMode(LEDPIN, OUTPUT); 
 
 // en 10 is de potmeter

 digitalWrite(3,LOW);

#if defined(DEBUG)
 digitalWrite(LEDPIN,LOW);
  // draai 1 rondje zodat ik weet of ik het aantal stappen goed heb (met LED aan)
  steps(FULLROTSTEPS,200);
 digitalWrite(LEDPIN,HIGH);  
#endif
}

void loop() {
  
int schr=0;// voor de "schrikkelsteps"

  for(int i=0;i<INTERVALS;i++){
    steps(STEPSPERINTERVAL);
    schr+=REMAINDER_S;
    
      if(schr>STEPSPERINTERVAL){ // schrikkelstep doen?
        schr-=STEPSPERINTERVAL; 
        steps(1);
        }
        
    magnetize();
      
    }

    // Serial.Write("DONE!"); // TODO: Serial UI, so you can tell it the variables that now are defines and it tells you what it' s doing and when it' s done
    digitalWrite(LEDPIN,LOW); // done (LOW = LED AAN)
    while(1);
}