/*

  Forum: https://forum.arduino.cc/t/lcd-display-timer1-problem/1191499
  Wokwi: https://wokwi.com/projects/381947807391289345

*/
#include <TimerOne.h>
#include <Wire.h>
#include <LiquidCrystal_I2C.h>

LiquidCrystal_I2C lcd(0x27, 20, 4); // set the LCD address to 0x27 for a 20 chars and 4 line display

const int outPin1 = 10; //for timer
const int inPin1 = 3; // for timer
const int motPulsePin =  2; // simulates either the CW or CCW motor-on signal
const long motPulseonTime = 70; // time in milliseconds that mot signal is high
const long motPulseoffTime = 20; // time in milliseconds that mot signal is low

int motPulseState = LOW;
long remembermotPulseTime = 0;
unsigned long pulseCount = 0;

void setup()
{
  Serial.begin(9600);
  pinMode (outPin1, OUTPUT); // for timer
  pinMode (inPin1, INPUT); // for timer
  pinMode(motPulsePin, OUTPUT); // simulates either the CW or CCW motor-on signal
  Timer1.initialize(5000);//sets time between pulses
  Timer1.pwm(outPin1, 50); //sets pulse width

  lcd.init();                      // initialize the lcd
  lcd.backlight();
  lcd.setCursor(1, 0);
  lcd.print("  CCW:");
  lcd.setCursor(1, 1);
  lcd.print("   CW:");
  lcd.setCursor(1, 2);
  lcd.print("COUNT:");
  lcd.setCursor(1, 3);
  lcd.print("ALARM:");
  lcd.setCursor(14, 2);
  lcd.print(pulseCount);
}

long motPulseTime = motPulseoffTime;

void loop() {
  if ((millis() - remembermotPulseTime) >= motPulseTime) 
  {
    remembermotPulseTime = millis();
    if (motPulseState == HIGH) 
    {
      motPulseTime = motPulseoffTime;
      Timer1.stop();
    } 
    else 
    {
      motPulseTime = motPulseonTime;
      Timer1.start();
    }
    motPulseState = !motPulseState;
  }
  digitalWrite(motPulsePin, motPulseState);
}

/*

  void loop()
  {
  if (motPulseState == HIGH)
  {
    if ((millis() - remembermotPulseTime) >= motPulseonTime)
    {
      motPulseState = LOW;
      Timer1.stop();
      remembermotPulseTime = millis();
    }
  }
  else
  {
    if ( (millis() - remembermotPulseTime) >= motPulseoffTime)
    {
      motPulseState = HIGH;
      Timer1.start();
      remembermotPulseTime = millis();
    }
  }
  digitalWrite(motPulsePin, motPulseState);
  }

*/