الكتاب التفاعلي للثقافة والموسيقى

#include <Wire.h>
#include <SoftwareSerial.h>
#include <DFRobotDFPlayerMini.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>

const uint8_t BUTTON_EGYPT_PIN = 2;
const uint8_t BUTTON_SUDAN_PIN = 3;
const uint8_t BUTTON_FACT_PIN = 4;
const uint8_t DFPLAYER_RX_PIN = 10; // Arduino receives from DFPlayer TX
const uint8_t DFPLAYER_TX_PIN = 11; // Arduino sends through 1 kOhm resistor to DFPlayer RX
const uint8_t OLED_SDA_PIN = A4;
const uint8_t OLED_SCL_PIN = A5;

const uint8_t SCREEN_WIDTH = 128;
const uint8_t SCREEN_HEIGHT = 64;
const unsigned long DEBOUNCE_MS = 45;

Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, -1);
SoftwareSerial dfSerial(DFPLAYER_RX_PIN, DFPLAYER_TX_PIN);
DFRobotDFPlayerMini player;
bool playerReady = false;

struct ButtonState {
  uint8_t pin;
  bool lastReading;
  bool stableState;
  unsigned long lastChange;
};

ButtonState egyptButton = {BUTTON_EGYPT_PIN, HIGH, HIGH, 0};
ButtonState sudanButton = {BUTTON_SUDAN_PIN, HIGH, HIGH, 0};
ButtonState factButton = {BUTTON_FACT_PIN, HIGH, HIGH, 0};

const char *facts[] = {
  "Nile links Egypt and Sudan.",
  "Oud is central to Arab music.",
  "Egyptian tabla marks rhythm.",
  "Sudanese tambour blends poetry and song.",
  "Arabic music uses rich maqam scales."
};
const uint8_t FACT_COUNT = sizeof(facts) / sizeof(facts[0]);
uint8_t factIndex = 0;

void showLines(const __FlashStringHelper *title, const __FlashStringHelper *line1, const __FlashStringHelper *line2) {
  display.clearDisplay();
  display.setTextColor(SSD1306_WHITE);
  display.setTextSize(1);
  display.setCursor(0, 0);
  display.println(title);
  display.drawLine(0, 11, 127, 11, SSD1306_WHITE);
  display.setCursor(0, 19);
  display.println(line1);
  display.setCursor(0, 36);
  display.println(line2);
  display.display();
}

void showFact(const char *fact) {
  display.clearDisplay();
  display.setTextColor(SSD1306_WHITE);
  display.setTextSize(1);
  display.setCursor(0, 0);
  display.println(F("CULTURE FACT"));
  display.drawLine(0, 11, 127, 11, SSD1306_WHITE);
  display.setCursor(0, 20);
  display.println(fact);
  display.setCursor(0, 52);
  display.println(F("Press any country"));
  display.display();
}

bool wasPressed(ButtonState &button) {
  bool reading = digitalRead(button.pin);
  if (reading != button.lastReading) {
    button.lastChange = millis();
    button.lastReading = reading;
  }
  if ((millis() - button.lastChange) > DEBOUNCE_MS && reading != button.stableState) {
    button.stableState = reading;
    return button.stableState == LOW;
  }
  return false;
}

void playTrack(uint8_t track) {
  if (playerReady) {
    player.stop();
    delay(100);
    player.play(track);
  }
}

void selectEgypt() {
  showLines(F("EGYPT"), F("Nile, oud and tabla"), F("Playing track 001"));
  playTrack(1);
}

void selectSudan() {
  showLines(F("SUDAN"), F("Tambour and poetry"), F("Playing track 002"));
  playTrack(2);
}

void selectFact() {
  showFact(facts[factIndex]);
  factIndex = (factIndex + 1) % FACT_COUNT;
}

void setup() {
  pinMode(BUTTON_EGYPT_PIN, INPUT_PULLUP);
  pinMode(BUTTON_SUDAN_PIN, INPUT_PULLUP);
  pinMode(BUTTON_FACT_PIN, INPUT_PULLUP);

  Wire.begin();
  if (!display.begin(SSD1306_SWITCHCAPVCC, 0x3C)) {
    for (;;) { }
  }
  showLines(F("ARABIC CULTURE"), F("Egypt | Sudan | Facts"), F("Choose a button"));

  dfSerial.begin(9600);
  if (player.begin(dfSerial, true, true)) {
    playerReady = true;
    player.volume(20); // 0 to 30
  } else {
    showLines(F("AUDIO NOT FOUND"), F("Check DFPlayer + SD"), F("Buttons still work"));
  }
}

void loop() {
  if (wasPressed(egyptButton)) {
    selectEgypt();
  }
  if (wasPressed(sudanButton)) {
    selectSudan();
  }
  if (wasPressed(factButton)) {
    selectFact();
  }
}