#include "SoftwareSerial.h"

#include "DFRobotDFPlayerMini.h"

 

//bluetooth

#include "BluetoothSerial.h"

BluetoothSerial ESP_BT;

//

// Parameters for Bluetooth interface

int incoming;

 int value = incoming ;

 

// Use pins 2 and 3 to communicate with DFPlayer Mini

static const uint8_t PIN_MP3_TX = 25; // Connects to module's RX

static const uint8_t PIN_MP3_RX = 26; // Connects to module's TX

SoftwareSerial softwareSerial(PIN_MP3_RX, PIN_MP3_TX);

//buzzer

//end buzzer

const int ledPin1 = 14;// ufirst buzzer right usb

const int ledPin2 = 12;//second buzzer

const int ledPin3 = 13;//second buzzer

const int ledPin4 = 05;//second buzzer

const unsigned char leds[4] = {14, 12, 13, 05};

 

const int buttonPin1 = 23;// usb1

const int buttonPin2 = 19;// usb2

const int buttonPin3 = 18;// usb2

const int buttonPin4 = 01;// usb2

const unsigned char switches[4] = {23, 19, 18, 01};

 

// button design

// reset

// Reset button

const unsigned char switch_reset = 16;

//end buzzer

// Create the Player object

DFRobotDFPlayerMini player;

 

//int

int volume ;

// design button quiz

 

//fuctions

 void Volumedown()

{

volume = (volume-1);

player.volume(volume);

delay (500);

}

 

void Volumeup()

{

volume = (volume+1);

player.volume(volume);

delay (500);

}

 

//functions

void resetting()

{

 

for (unsigned char sw=0; sw<4; sw++)

    {

  digitalWrite(leds[sw], HIGH);

  delay(300);

  digitalWrite(leds[sw], LOW);

  delay(300);

  digitalWrite(leds[sw], HIGH);

   delay(300);

    digitalWrite(leds[sw], LOW);

    }

}

//end functons

 

void setup() {

 // Init USB serial port for debugging

  Serial.begin(115200);

  // Init serial port for DFPlayer Mini

  softwareSerial.begin(9600);

ESP_BT.begin("Smart Buzzer"); //Name of your Bluetooth interface -> will show up on your phone

 

 // Prepare the pins

    pinMode(switch_reset, INPUT_PULLUP);  

  for (unsigned char sw=0; sw<4; sw++)

   {

    pinMode(switches[sw], INPUT_PULLUP);

    pinMode(leds[sw], OUTPUT);

    digitalWrite(leds[sw], LOW);

  }

 

resetting();

//end prepare pin

 

 

// button for volume

//pinMode(17, INPUT_PULLUP);

//pinMode(16, INPUT_PULLUP);

//end volume

 

  //buzzer

  pinMode(ledPin1, OUTPUT); //usb a 1  

  pinMode(ledPin2, OUTPUT); //usb a 1

  pinMode(ledPin3, OUTPUT); //usb a 3

  pinMode(ledPin4, OUTPUT); //usb a 4

pinMode(buttonPin1,INPUT_PULLUP); // Set the Tilt Switch as an input

pinMode(buttonPin2,INPUT_PULLUP); // Set the Tilt Switch as an input

 pinMode(buttonPin3,INPUT_PULLUP); // Set the Tilt Switch as an input

 pinMode(buttonPin4,INPUT_PULLUP); // Set the Tilt Switch as an input

//end buzzer

 

//quiz

 

 

  // Start communication with DFPlayer Mini

  if (player.begin(softwareSerial)) {

    Serial.println("OK");

player.EQ(DFPLAYER_EQ_BASS);

//----Set device we use SD as default----

player.outputDevice(DFPLAYER_DEVICE_U_DISK);

    // Set volume to maximum (0 to 30).

    player.volume(25);

    volume =25;

    player.playFolder(01,001);

      //1=USB-Disk, 2=TF-Card, 3=Aux, 4=Sleep, 5=NOR Flash

    //player.playFolder(01,001);

    // Play the "0001.mp3" in the "mp3" folder on the SD card

  // player.playMp3Folder(1);

 //player.randomAll();

  } else {

    Serial.println("Connecting to DFPlayer Mini failed!");

  }

 

}

 

void loop()

{

 

  //bluetooth

  // code value  1 =  resetting game

if (ESP_BT.available())

  {

    incoming = ESP_BT.read(); //Read what we receive

switch (incoming) {

      case 1:  

        Serial.print("Button 1:"); Serial.println(value);

         player.playFolder(01,002);  //play specific mp3 in SD:/15/004.mp3; Folder Name(1~99); File Name(1~255)

         delay (3500);

         Serial.print("working button1");

          delay (3500);

          incoming =0;

        break;

      case 2:  

        Serial.print("Button 2:"); Serial.println(value);

       player.playFolder(01,003);  //play specific mp3 in SD:/15/004.mp3; Folder Name(1~99); File Name(1~255)

       delay (3500);

 

   

     delay (3500);

      incoming =0;

        break;

     }//end switch

}// enf if avalaiable bluetooth

  //

 

// fucntion button press

 

//end button press

 // Check all 4 switches

  for (unsigned char sw=0; sw<4; sw++)

   {

    // Is it pressed?

    if (digitalRead(switches[sw]) == LOW) {

      // Turn on its LED

      digitalWrite(leds[sw], HIGH);

      // Play its sfx

      player.play(sw+1);

      // Wait for the reset button

      while (digitalRead(switch_reset) == HIGH) {};

      // Stop any playing sfx

      player.stop();

      player.playFolder(01,002);

   

      // Turn off the LED

      digitalWrite(leds[sw], LOW);

      resetting();

      // Stop!

       

     

      break;

    }

  }

}

  //end loop