#include <AccelStepper.h>

//AccelStepper stepper = AccelStepper(1, stepPin, dirPin);
AccelStepper stepper1 = AccelStepper(1, 12, 14);
AccelStepper stepper2 = AccelStepper(1, 23, 22);

float stepmax = 600;
float steptarget1 = 300; 
float steptarget2 = 500; 


float deltaT = 5;
float speed1;
float speed2;


void setup() {
  Serial.begin(115200);
  speed1 = (steptarget1/deltaT); //steps per second
  speed2 = (steptarget2/deltaT); //steps per second
  stepper1.setMaxSpeed(1000); //NEMA 14 Standard
  stepper2.setMaxSpeed(1000); //NEMA 14 Standard
  stepper1.moveTo(0);
  stepper2.moveTo(0);
  //Serial.println(speed2);

}

void loop() {
  
 int countstep1 = stepper1.currentPosition(); 
 int countstep2 = stepper2.currentPosition();

 if (countstep1 < steptarget1){
    stepper1.setSpeed(speed1);
    stepper1.runSpeed();
 }
  else{
    stepper1.setSpeed(0);
    stepper1.runSpeed();
  }

 if (countstep2 < steptarget2){
    stepper2.setSpeed(speed2);
    stepper2.runSpeed();
 }
  else{
    stepper2.setSpeed(0);
    stepper2.runSpeed();
 }

//Serial.println("Step 1 =" + String(countstep1) + " " + "Step 2 =" + String(countstep2));
}