Stepper Code v0.3

//
//
//

#include <Wire.h>
#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27, 2, 1, 0, 4, 5, 6, 7, 3, POSITIVE);  // Set the LCD I2C address

#define pot_in A3
#define rocker 9
#define PUL 7
#define DIR 6
#define ENA 5

void setup() {
  lcd.begin(20, 4);
  lcd.setCursor(0, 0);
  lcd.print("Welcome to");
  lcd.setCursor(0, 1);
  lcd.print("Team Plastic");
  lcd.setCursor(0, 2);
  lcd.print("String Theory's");
  lcd.setCursor(0, 3);
  lcd.print("Plastic Extruder!");

  pinMode (PUL, OUTPUT);
  pinMode (DIR, OUTPUT);
  pinMode (ENA, OUTPUT);

  pinMode (pot_in, INPUT);
  pinMode (rocker, INPUT);

  int minimum_speed_delay = 50;
  int maximum_speed_delay = 1;
  int acceleration_delay = 2;
  int count = 0;
  int current_speed_delay = 100;

  delay(5000);
}

void loop() {
  if (digitalRead(rocker) == HIGH) {
    if (count == 0) {                //Initial acceleration to minimum speed
      lcd.clear();
      lcd.setCursor(0, 1);
      lcd.print("Motor is");
      lcd.setCursor(0, 2);
      lcd.print("accelerating");
      int current_speed_delay = 0;
      while (current_speed_delay > minimum_speed_delay) {
        digitalWrite(DIR, LOW);
        digitalWrite(ENA, HIGH);
        digitalWrite(PUL, HIGH);
        delayMicroseconds(current_speed_delay);
        digitalWrite(PUL, LOW);
        delayMicroseconds(current_speed_delay);
        int current_speed_delay = current_speed_delay - acceleration_delay;
        int count = count + 1;
      }
    }
    else if (count > 0) {             //Motor speed = multiple of potiometer reading
      lcd.clear();
      lcd.setCursor(0, 0);
      lcd.print("Motor is operating");
      lcd.setCursor(0, 2);
      lcd.print("at");
      lcd.setCursor(8, 2);
      lcd.print("RPMs");
      while (digitalRead(rocker) == HIGH) {
        digitalWrite(DIR, LOW);
        digitalWrite(ENA, HIGH);
        digitalWrite(PUL, HIGH);
        delayMicroseconds(current_speed_delay);
        digitalWrite(PUL, LOW);
        delayMicroseconds(current_speed_delay);
        int potent = analogRead(pot_in);
        current_speed_delay = constrain(potent, maximum_speed_delay, minimum_speed_delay);
        int count = count + 1;

        lcd.setCursor(3, 2);
        lcd.print(int(current_speed_delay));
      }
    }
  }
  else if (digitalRead(rocker) == LOW) {        //Turning motor off
    if (count > 0) {                            //Deceleration to 0
      lcd.clear();
      lcd.setCursor(0, 1);
      lcd.print("Motor is");
      lcd.setCursor(0, 2);
      lcd.print("decelerating");
      while (current_speed_delay < 100) {
        digitalWrite(DIR, LOW);
        digitalWrite(ENA, HIGH);
        digitalWrite(PUL, HIGH);
        delayMicroseconds(current_speed_delay);
        digitalWrite(PUL, LOW);
        delayMicroseconds(current_speed_delay);
        int current_speed_delay = current_speed_delay + acceleration_delay;
        int count = count + 1;
        int count = 0;
      }
    }
    else if (count == 0) {                                       //Motor speed = 0
      lcd.clear();
      lcd.setCursor(3, 1);
      lcd.print("Motor is off");
      while (digitalRead(rocker) == LOW) {
        delay(10);
      }
    }
  }

}



------------------


Arduino: 1.8.10 (Windows 10), Board: "Arduino/Genuino Uno"

C:\Users\zhowe\Google Drive (zhowell@mymail.mines.edu)\10-19 Current Semester [Fall 2019]\[MEGN 301] Mechanical Integration & Design\Extruder Project\Stepper Motor Code\Stepper_Code_without_accel\Stepper_Code_without_accel.ino: In function 'void loop()':

Stepper_Code_without_accel:44:9: error: 'count' was not declared in this scope

     if (count == 0) {                //Initial acceleration to minimum speed

         ^~~~~

C:\Users\zhowe\Google Drive (zhowell@mymail.mines.edu)\10-19 Current Semester [Fall 2019]\[MEGN 301] Mechanical Integration & Design\Extruder Project\Stepper Motor Code\Stepper_Code_without_accel\Stepper_Code_without_accel.ino:44:9: note: suggested alternative: 'round'

     if (count == 0) {                //Initial acceleration to minimum speed

         ^~~~~

         round

Stepper_Code_without_accel:51:36: error: 'minimum_speed_delay' was not declared in this scope

       while (current_speed_delay > minimum_speed_delay) {

                                    ^~~~~~~~~~~~~~~~~~~

C:\Users\zhowe\Google Drive (zhowell@mymail.mines.edu)\10-19 Current Semester [Fall 2019]\[MEGN 301] Mechanical Integration & Design\Extruder Project\Stepper Motor Code\Stepper_Code_without_accel\Stepper_Code_without_accel.ino:51:36: note: suggested alternative: 'current_speed_delay'

       while (current_speed_delay > minimum_speed_delay) {

                                    ^~~~~~~~~~~~~~~~~~~

                                    current_speed_delay

Stepper_Code_without_accel:58:57: error: 'acceleration_delay' was not declared in this scope

         int current_speed_delay = current_speed_delay - acceleration_delay;

                                                         ^~~~~~~~~~~~~~~~~~

Stepper_Code_without_accel:74:27: error: 'current_speed_delay' was not declared in this scope

         delayMicroseconds(current_speed_delay);

                           ^~~~~~~~~~~~~~~~~~~

In file included from sketch\Stepper_Code_without_accel.ino.cpp:1:0:

Stepper_Code_without_accel:78:49: error: 'maximum_speed_delay' was not declared in this scope

         current_speed_delay = constrain(potent, maximum_speed_delay, minimum_speed_delay);

                                                 ^

C:\Program Files (x86)\Arduino\hardware\arduino\avr\cores\arduino/Arduino.h:95:41: note: in definition of macro 'constrain'

 #define constrain(amt,low,high) ((amt)<(low)?(low):((amt)>(high)?(high):(amt)))

                                         ^~~

Stepper_Code_without_accel:78:70: error: 'minimum_speed_delay' was not declared in this scope

         current_speed_delay = constrain(potent, maximum_speed_delay, minimum_speed_delay);

                                                                      ^

C:\Program Files (x86)\Arduino\hardware\arduino\avr\cores\arduino/Arduino.h:95:60: note: in definition of macro 'constrain'

 #define constrain(amt,low,high) ((amt)<(low)?(low):((amt)>(high)?(high):(amt)))

                                                            ^~~~

Stepper_Code_without_accel:87:9: error: 'count' was not declared in this scope

     if (count > 0) {                            //Deceleration to 0

         ^~~~~

C:\Users\zhowe\Google Drive (zhowell@mymail.mines.edu)\10-19 Current Semester [Fall 2019]\[MEGN 301] Mechanical Integration & Design\Extruder Project\Stepper Motor Code\Stepper_Code_without_accel\Stepper_Code_without_accel.ino:87:9: note: suggested alternative: 'round'

     if (count > 0) {                            //Deceleration to 0

         ^~~~~

         round

Stepper_Code_without_accel:93:14: error: 'current_speed_delay' was not declared in this scope

       while (current_speed_delay < 100) {

              ^~~~~~~~~~~~~~~~~~~

Stepper_Code_without_accel:100:57: error: 'acceleration_delay' was not declared in this scope

         int current_speed_delay = current_speed_delay + acceleration_delay;

                                                         ^~~~~~~~~~~~~~~~~~

Stepper_Code_without_accel:102:13: error: redeclaration of 'int count'

         int count = 0;

             ^~~~~

C:\Users\zhowe\Google Drive (zhowell@mymail.mines.edu)\10-19 Current Semester [Fall 2019]\[MEGN 301] Mechanical Integration & Design\Extruder Project\Stepper Motor Code\Stepper_Code_without_accel\Stepper_Code_without_accel.ino:101:13: note: 'int count' previously declared here

         int count = count + 1;

             ^~~~~

Multiple libraries were found for "Wire.h"
 Used: C:\Program
Multiple libraries were found for "LiquidCrystal_I2C.h"
 Used: C:\Users\zhowe\Documents\Arduino\libraries\NewLiquidCrystal_lib
exit status 1
'count' was not declared in this scope

This report would have more information with
"Show verbose output during compilation"
option enabled in File -> Preferences.