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	- Project: "Button Initialization"
	- Source Code NOT compiled for: Arduino Uno
	- Source Code created on: 2024-06-07 04:06:28

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/****** SYSTEM REQUIREMENTS *****/
/****** SYSTEM REQUIREMENT 1 *****/
	/* lcd display i2c  20x4  button pin11 UPLOW menu up */
	/* button pin10 UP LOW menu enter  button pin12UP LOW */
	/* menu down  Temperatur  submenu   MaxTemp */
	/* subsubmenu  MinTeamp subsubmenu  Durchfluss(Flow) */
	/* submenu   MaxFlow subsubmenu  MinFlow subsubmenu */
/****** END SYSTEM REQUIREMENTS *****/

/****** DEFINITION OF LIBRARIES *****/
#include  // https://github.com/evert-arias/EasyButton
#include  // https://github.com/marcoschwartz/LiquidCrystal_I2C

/****** FUNCTION PROTOTYPES *****/
void setup(void);
void loop(void);
void onUpButtonPressed();
void onDownButtonPressed();
void onEnterButtonPressed();

/***** DEFINITION OF DIGITAL INPUT PINS *****/
const uint8_t UP_BUTTON_PIN = 11;
const uint8_t DOWN_BUTTON_PIN = 12;
const uint8_t ENTER_BUTTON_PIN = 10;

/****** DEFINITION OF LIBRARIES CLASS INSTANCES*****/
EasyButton upButton(UP_BUTTON_PIN); // Initialize EasyButton for UP button
EasyButton downButton(DOWN_BUTTON_PIN); // Initialize EasyButton for DOWN button
EasyButton enterButton(ENTER_BUTTON_PIN); // Initialize EasyButton for ENTER button

// Initialize LiquidCrystal_I2C object with I2C address 0x27, 20 columns, and 4 rows
LiquidCrystal_I2C lcd(0x27, 20, 4);

void setup(void) {
  // put your setup code here, to run once:
  Serial.begin(115200);

  // Initialize buttons
  upButton.begin();
  downButton.begin();
  enterButton.begin();

  // Attach callbacks
  upButton.onPressed(onUpButtonPressed);
  downButton.onPressed(onDownButtonPressed);
  enterButton.onPressed(onEnterButtonPressed);

  // Set pin modes
  pinMode(UP_BUTTON_PIN, INPUT_PULLUP);
  pinMode(DOWN_BUTTON_PIN, INPUT_PULLUP);
  pinMode(ENTER_BUTTON_PIN, INPUT_PULLUP);

  // Initialize the LCD
  lcd.init();
  lcd.backlight();
  lcd.setCursor(3, 0);
  lcd.print("Hello, world!");
  lcd.setCursor(2, 1);
  lcd.print("Ywrobot Arduino!");
  lcd.setCursor(0, 2);
  lcd.print("Arduino LCM IIC 2004");
  lcd.setCursor(2, 3);
  lcd.print("Power By Ec-yuan!");
}

void loop(void) {
  // put your main code here, to run repeatedly:
  upButton.read();
  downButton.read();
  enterButton.read();
}

void onUpButtonPressed() {
  Serial.println("Up button pressed");
}

void onDownButtonPressed() {
  Serial.println("Down button pressed");
}

void onEnterButtonPressed() {
  Serial.println("Enter button pressed");
}

/* END CODE */