#include <LiquidCrystal_I2C.h>
#include <Wire.h>

// Pin-Definitionen
const int motorPin = 3;         // PWM Pin für den Motor
const int potentiometerPin = A0; // Analogeingang für das Potentiometer
const int switchPin = 2;        // Schalter S6
const int ledRed = 4;           // Statische rote LED
const int ledBlue = 5;          // Statische blaue LED
const int ledRGBRed = 6;        // Roter Kanal der RGB-LED
const int ledRGBGreen = 7;      // Grüner Kanal der RGB-LED
const int ledRGBBlue = 8;       // Blauer Kanal der RGB-LED

// I2C Adresse des LCD Displays
LiquidCrystal_I2C lcd(0x27, 16, 2);

void setup() {
  pinMode(motorPin, OUTPUT);
  pinMode(potentiometerPin, INPUT);
  pinMode(switchPin, INPUT_PULLUP);
  pinMode(ledRed, OUTPUT);
  pinMode(ledBlue, OUTPUT);
  pinMode(ledRGBRed, OUTPUT);
  pinMode(ledRGBGreen, OUTPUT);
  pinMode(ledRGBBlue, OUTPUT);

  lcd.init();
  lcd.backlight();
  displayWelcomeMessage();
}

void loop() {
  static bool motorState = false;
  static int lastSpeedPercent = -1; // Hält die zuletzt angezeigte Geschwindigkeit
  int potValue = analogRead(potentiometerPin);
  int motorSpeed = map(potValue, 0, 1023, 0, 255);
  int speedPercent = map(motorSpeed, 0, 255, 0, 100);

  if (digitalRead(switchPin) == LOW) {
    motorState = !motorState;
    delay(500); // Entprellen
    updateDisplay = true; // Display muss aktualisiert werden
  }

  if (motorState) {
    analogWrite(motorPin, motorSpeed);
    digitalWrite(ledRed, HIGH);
    digitalWrite(ledBlue, LOW);
    updateLEDRGB(motorSpeed);
  } else {
    analogWrite(motorPin, 0);
    digitalWrite(ledRed, LOW);
    digitalWrite(ledBlue, HIGH);
    speedPercent = 0; // Setzt die Geschwindigkeit auf 0, wenn der Motor aus ist
    updateDisplay = true; // Display muss aktualisiert werden
  }

  // Aktualisiert das Display nur, wenn sich die Daten geändert haben
  if (lastSpeedPercent != speedPercent || updateDisplay) {
    displayMotorInfo(motorState ? "Ein" : "Aus", speedPercent);
    lastSpeedPercent = speedPercent;
    updateDisplay = false;
  }
}

#include <LiquidCrystal_I2C.h>
#include <Wire.h>

// Pin-Definitionen
const int motorPin = 3;         // PWM Pin für den Motor
const int potentiometerPin = A0; // Analogeingang für das Potentiometer
const int switchPin = 2;        // Schalter S6
const int ledRed = 4;           // Statische rote LED
const int ledBlue = 5;          // Statische blaue LED
const int ledRGBRed = 6;        // Roter Kanal der RGB-LED
const int ledRGBGreen = 7;      // Grüner Kanal der RGB-LED
const int ledRGBBlue = 8;       // Blauer Kanal der RGB-LED

// I2C Adresse des LCD Displays
LiquidCrystal_I2C lcd(0x27, 16, 2);

void setup() {
  pinMode(motorPin, OUTPUT);
  pinMode(potentiometerPin, INPUT);
  pinMode(switchPin, INPUT_PULLUP);
  pinMode(ledRed, OUTPUT);
  pinMode(ledBlue, OUTPUT);
  pinMode(ledRGBRed, OUTPUT);
  pinMode(ledRGBGreen, OUTPUT);
  pinMode(ledRGBBlue, OUTPUT);

  lcd.init();
  lcd.backlight();
  displayWelcomeMessage();
}

void loop() {
  static bool motorState = false;
  int potValue = analogRead(potentiometerPin);
  int motorSpeed = map(potValue, 0, 1023, 0, 255);

  if (digitalRead(switchPin) == LOW) {
    motorState = !motorState;
    delay(500); // Entprellen
  }

  if (motorState) {
    analogWrite(motorPin, motorSpeed);
    digitalWrite(ledRed, HIGH);
    digitalWrite(ledBlue, LOW);
    updateLEDRGB(motorSpeed);
    displayMotorInfo("Ein", motorSpeed);
  } else {
    analogWrite(motorPin, 0);
    digitalWrite(ledRed, LOW);
    digitalWrite(ledBlue, HIGH);
    displayMotorInfo("Aus", 0);
  }
}

void displayWelcomeMessage() {
  lcd.clear();
  lcd.setCursor(0, 0);
  lcd.print("LAP Elektron.JJ");
  lcd.setCursor(0, 1);
  lcd.print("Ihr Name");
  delay(5000);
}

void displayMotorInfo(String status, int speed) {
  lcd.clear();
  lcd.setCursor(0, 0);
  lcd.print("Status: " + status);
  lcd.setCursor(0, 1);
  lcd.print("Drehzahl: " + String(map(speed, 0, 255, 0, 100)) + "%");
}

void updateLEDRGB(int speed) {
  int speedPercent = map(speed, 0, 255, 0, 100);
  if (speedPercent <= 50) {
    // Grün
    digitalWrite(ledRGBRed, LOW);
    digitalWrite(ledRGBGreen, HIGH);
    digitalWrite(ledRGBBlue, LOW);
  } else if (speedPercent <= 70) {
    // Blau
    digitalWrite(ledRGBRed, LOW);
    digitalWrite(ledRGBGreen, LOW);
    digitalWrite(ledRGBBlue, HIGH);
  } else {
    // Rot
    digitalWrite(ledRGBRed, HIGH);
    digitalWrite(ledRGBGreen, LOW);
    digitalWrite(ledRGBBlue, LOW);
  }
}