/*
  Créé par ArduinoGetStarted.com
  Cet exemple de code est dans le domaine public.
  Page du tutoriel : https://arduinogetstarted.com/tutorials/arduino-button-library
  Cet exemple lit l'état des 7 boutons avec anti-rebond et l'affiche sur le moniteur.
*/
#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27, 20, 4);

#include <ezButton.h>

ezButton redButton(2);  // create ezButton object that attach to pin 7;
ezButton greenButton(3);  // create ezButton object that attach to pin 7;
ezButton blueButton(4);  // create ezButton object that attach to pin 7;
ezButton yellowButton(5);  // create ezButton object that attach to pin 7;
ezButton blackButton(6);  // create ezButton object that attach to pin 7;
ezButton whiteButton(7);  // create ezButton object that attach to pin 7;
ezButton greyButton(8);  // create ezButton object that attach to pin 7;

String btn = "", btnState = "";
unsigned long count = 0;
int RedButton_State,
    greenButton_State,
    blueButton_State,
    yellowButton_State,
    blackButton_State,
    whiteButton_State,
    greyButton_State;

char* bouton[] = {"   The Red button",
                  " The green Button",
                  "  The blue Button",
                  "The yellow Button",
                  " The black Button",
                  " The white Button",
                  "  The grey Button"
                 };
char* etat[] = {" is pressed ",
                "is released "
               };

void setup() {
  lcd.init(); lcd.backlight();
  for (int pin = 2; pin < 9; pin++)pinMode(pin, INPUT_PULLUP);

  // définir le temps de rebond à 50 millisecondes à chaque bouton.
  redButton.setDebounceTime(50); // set debounce time to 50 milliseconds
  greenButton.setDebounceTime(50); // set debounce time to 50 milliseconds
  blueButton.setDebounceTime(50); // set debounce time to 50 milliseconds
  yellowButton.setDebounceTime(50); // set debounce time to 50 milliseconds
  blackButton.setDebounceTime(50); // set debounce time to 50 milliseconds
  whiteButton.setDebounceTime(50); // set debounce time to 50 milliseconds
  greyButton.setDebounceTime(50); // set debounce time to 50 milliseconds

  redButton.setCountMode(COUNT_FALLING);
  greenButton.setCountMode(COUNT_FALLING);
  blueButton.setCountMode(COUNT_FALLING);
  yellowButton.setCountMode(COUNT_FALLING);
  blackButton.setCountMode(COUNT_FALLING);
  whiteButton.setCountMode(COUNT_FALLING);
  greyButton.setCountMode(COUNT_FALLING);

}

void loop() {
  checkAllButtons();
}

void checkAllButtons() {
  redButton.loop();    // DOIT d'abord appeler la fonction loop()
  greenButton.loop();  // DOIT d'abord appeler la fonction loop()
  blueButton.loop();   // DOIT d'abord appeler la fonction loop()
  yellowButton.loop(); // DOIT d'abord appeler la fonction loop()
  blackButton.loop();  // DOIT d'abord appeler la fonction loop()
  whiteButton.loop();  // DOIT d'abord appeler la fonction loop()
  greyButton.loop();   // DOIT d'abord appeler la fonction loop()

  RedButton_State = redButton.getState();
  greenButton_State = greenButton.getState();
  blueButton_State = blueButton.getState();
  yellowButton_State = yellowButton.getState();
  blackButton_State = blackButton.getState();
  whiteButton_State = whiteButton.getState();
  greyButton_State = greyButton.getState();

  if (redButton.isPressed()) {
    btn = bouton[0]; btnState = etat[RedButton_State];
    count = redButton.getCount();
  }
  if (redButton.isReleased()) {
    btn = bouton[0]; btnState = etat[RedButton_State];    
  }
  if (greenButton.isPressed()) {
    btn = bouton[1]; btnState = etat[greenButton_State];
    count = greenButton.getCount();
  }
  if (greenButton.isReleased()) {
    btn = bouton[1]; btnState = etat[greenButton_State];
  }
  if (blueButton.isPressed()) {
    btn = bouton[2]; btnState = etat[blueButton_State];
    count = blueButton.getCount();
  }
  if (blueButton.isReleased()) {
    btn = bouton[2]; btnState = etat[blueButton_State];
  }
  if (yellowButton.isPressed()) {
    btn = bouton[3]; btnState = etat[yellowButton_State];
    count = yellowButton.getCount();
  }
  if (yellowButton.isReleased()) {
    btn = bouton[3]; btnState = etat[yellowButton_State];
  }
  if (blackButton.isPressed()) {
    btn = bouton[4]; btnState = etat[blackButton_State];
    count = blackButton.getCount();
  }
  if (blackButton.isReleased()) {
    btn = bouton[4]; btnState = etat[blackButton_State];
  }
  if (whiteButton.isPressed()) {
    btn = bouton[5]; btnState = etat[whiteButton_State];
    count = whiteButton.getCount();
  }
  if (whiteButton.isReleased()) {
    btn = bouton[5]; btnState = etat[whiteButton_State];
  }
  if (greyButton.isPressed()) {
    btn = bouton[6]; btnState = etat[greyButton_State];
    count = greyButton.getCount();
  }
  if (greyButton.isReleased()) {
    btn = bouton[6]; btnState = etat[greyButton_State];
  }


  char btnCount[3]; sprintf(btnCount,"%3d time(s)", count);
  
  lcdPrintCenter(btn, 0);
  lcdPrintCenter(btnState, 1);
  lcdPrintCenter(btnCount, 2);

}

void lcd_print(int x, int y, String message) {
  lcd.setCursor(x, y); lcd.print(message);
}


// fonction  pour centrer le texte à afficher sur lcd.============
void lcdPrintCenter(String text, int ligne) {
  int len = text.length();// longeur de la variable text
  // positionne le curseur au centre de la ligne choisie et
  // soustrait la longeur du text à afficher
  lcd.setCursor((20 - len) / 2, ligne);
  lcd.print(text);    // affiche le text centré
}