Aduino Stepper Motor Acceleration and Rotary Encoder Control


#include <AccelStepper.h>

int motorSpeed = 10000; //maximum steps per second (about 5rps / at 8 microsteps)
int motorAccel = 3600; //steps/second/second to accelerate

const unsigned char ttable[7][4] = {
{0x0, 0x2, 0x4, 0x0}, {0x3, 0x0, 0x1, 0x10},
{0x3, 0x2, 0x0, 0x0}, {0x3, 0x2, 0x1, 0x0},
{0x6, 0x0, 0x4, 0x0}, {0x6, 0x5, 0x0, 0x20},
{0x6, 0x5, 0x4, 0x0},

#define DT 2
#define CLK 3
#define SW 4
#define DIR_CCW 0x10
#define DIR_CW 0x20
int motorStepPin = 8; //digital pin 3
int motorDirPin = 9; //digital pin 2
const int Enable_PIN = 10;
AccelStepper stepper(1, motorStepPin, motorDirPin);
volatile unsigned char state = 0;

void setup(){
  pinMode(Enable_PIN, OUTPUT);
  digitalWrite(Enable_PIN, LOW);
  stepper.moveTo(8000); //move 32000 steps (should be 10 rev)
  pinMode(DT, INPUT);
  pinMode(CLK, INPUT);
  pinMode(SW, INPUT);
  digitalWrite(SW, HIGH);

void loop(){
 int counter;
 unsigned char result;
  /* Reset the counter */
 counter = 0;

    /* Read the status of the dial */
    unsigned char pinstate = (digitalRead(CLK) << 1) | digitalRead(DT);
    state = ttable[state & 0xf][pinstate];
    if(result==DIR_CCW) counter++;
        if(result==DIR_CW) counter--;
 // put some magnification  hera about 10 times


5 thoughts on “Aduino Stepper Motor Acceleration and Rotary Encoder Control”

  1. Merhaba, kod için teşekkür ederim. Ancak motor 10 tur attıktan sonra kendi kendine geriye doğru dönmeye başlıyor. Neden olabileceği konusunda bir fikriniz var mı ?

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