Minimill v1.0

1// Franken Mill 1.13.4
2#include <Stepper.h>
3
4// Rotary Encoder  Inputs_Step control, hand-wheel control
5#define CLK 2
6#define DT 3
7// Rotary  Encoder Inputs_ multiplier
8#define encoderOutA 5 // CLK
9#define encoderOutB  6 // DT
10#define SW 4
11int vcounter = 10; // Set initial base multiplier to  10
12int State;
13int old_State;
14int speedset; //speed adjust
15//////////////////////////
16
17int  counter = 0;
18int currentStateCLK;
19int lastStateCLK;
20String currentDir =  "";
21unsigned long lastButtonPress = 0;
22
23//Steppers
24
25// Number of  steps per output rotation
26const int stepsPerRevolution = 200;
27
28// Create  Instance of Stepper library
29Stepper myStepper(stepsPerRevolution, 9, 10);
30
31int  lastcounter = 0;
32
33void setup() {
34  {
35    pinMode (encoderOutA, INPUT);
36    pinMode (encoderOutB, INPUT);
37    Serial.begin (115200);
38    //Read First  Position of Channel A
39    old_State = digitalRead(encoderOutA);
40  }
41
42  {
43    // Set encoder pins as inputs
44    pinMode(CLK, INPUT);
45    pinMode(DT,  INPUT);
46    pinMode(SW, INPUT_PULLUP);
47    // Read the initial state of CLK
48    lastStateCLK = digitalRead(CLK);
49
50    // set the speed:
51    myStepper.setSpeed(1250);
52    // initialize the serial port:
53    Serial.begin(115200);
54  }
55}
56void  loop() {
57  {
58    State = digitalRead(encoderOutA);
59    if (State != old_State)
60    {
61      if (digitalRead(encoderOutB) != State)
62      {
63        vcounter  ++;
64      }
65      else {
66        vcounter --;
67      }
68      Serial.begin(115200);
69      Serial.print("Speed: ");
70      Serial.println(vcounter);
71    }
72    old_State = State; // Check for change of state
73  }
74
75  {
76    //  Read the current state of CLK
77    currentStateCLK = digitalRead(CLK);
78
79    // If  state of CLK are different, then pulse occurred
80    // React to first  state change 
81    if (currentStateCLK != lastStateCLK  && currentStateCLK ==  1) {
82
83      // If the DT state is different than the CLK state then
84      //  the encoder is rotating CCW so decrement
85      if (digitalRead(DT) != currentStateCLK)  {
86        counter --;
87        currentDir = "CCW";
88      } else {
89        // Encoder is rotating CW so increment
90        counter ++;
91        currentDir  = "CW";
92      }
93      Serial.begin(115200);
94      Serial.print("Direction:  ");
95      Serial.print(currentDir);
96      Serial.print(" | Counter: ");
97      Serial.println(counter);
98      if (currentDir.equals("CCW")) {
99        Serial.println("counterclockwise");
100        //myStepper.step(-stepsPerRevolution);
101        myStepper.step(((counter  - lastcounter)*vcounter) * 5);
102      } else if (currentDir.equals("CW")) {
103        Serial.println("clockwise");
104        myStepper.step(((counter - lastcounter)*vcounter)  * 5);
105      }
106    }
107
108    // Remember last CLK state
109    lastStateCLK  = currentStateCLK;
110    // Remember last counter value
111    lastcounter = counter;
112
113    // Read the button state
114    int btnState = digitalRead(SW);
115
116    //If  we detect LOW signal, button is pressed
117    if (btnState == LOW) {
118      //if  50ms have passed since last LOW pulse, it means that the
119      //button has been  pressed, released and pressed again
120      if (millis() - lastButtonPress > 50)  {
121        Serial.println("Button pressed! Reset Speed to 10");
122        vcounter  = 10;
123      }
124
125      // Remember last button press event
126      lastButtonPress  = millis();
127    }
128  }
129}
130