Arduino that would generate sound when the two pointing data is close to each other.

3dvision_sound_source.c

#include <SoftwareSerial.h>
#include <DFRobotDFPlayerMini.h>

SoftwareSerial Vicon_BTSerial(2,3);
SoftwareSerial Master_BTSerial(4,9);
SoftwareSerial MP3Module(7, 6);

DFRobotDFPlayerMini MP3Player;

int speakerButton = 12;
int buzzer = 8;

int vicon_data = 0;
int subject_data = 0;
int valid_subject = 0;
int subject_count = 0;
int temp_vicon = 0;
bool SUCCESS = false;
bool guide_flag = false;

void target_sound();
void terminate_sound();
void success_sound();
void fail_sound();
void guide_correct_sound();

void setup() 
{
  Serial.begin(9600);
  Master_BTSerial.begin(9600);
  Vicon_BTSerial.begin(9600);
  MP3Module.begin(9600);
  pinMode(speakerButton, INPUT_PULLUP);
  
  if (!MP3Player.begin(MP3Module)) 
  { // MP3 모듈을 초기화
      Serial.println(F("Unable to begin:"));
      while (true);
  }
  delay(1);
  MP3Player.volume(30);  // 볼륨을 조절합니다. 0~30까지 설정
  
  Vicon_BTSerial.read();
  Master_BTSerial.read();
  Vicon_BTSerial.println("end");
}


void loop() 
{
//  vicon_data = 0;
//  subject_data = 0;
//
//  if(digitalRead(speakerButton)==LOW)
//  { 
//    target_sound();
//    valid_subject = 0;
//    Vicon_BTSerial.println("request");
//  }
  
//  Master_BTSerial.listen();
  while(Master_BTSerial.available()!=0)
  {
    subject_data = Master_BTSerial.read();  
    Serial.println(subject_data);
    
    if(subject_data!=0) 
    {
      valid_subject = subject_data;   // subject_clicked!!
      Serial.println(valid_subject);
      Master_BTSerial.end();
      break;
    }
  }
  
//  Vicon_BTSerial.listen();
//  while(Vicon_BTSerial.available() && Vicon_BTSerial.readStringUntil('.').toInt() > 0)
//  {       
//    if(valid_subject!=0)
//    {  
//
//      vicon_data = Vicon_BTSerial.readStringUntil('.').toInt();
//      
//      if(0 < vicon_data && vicon_data < 150)
//      { 
//        if(!guide_flag)
//        {
//          success_sound();
//          SUCCESS = true;
////          Serial.print("vicon:: ");
////          Serial.println(vicon_data);
//        }
//      }
//      else
//      {
//        fail_sound();
//        SUCCESS = false;
//        subject_count++;
//        
//        while(vicon_data > 150)
//        {
//          temp_vicon = Vicon_BTSerial.readStringUntil('.').toInt();
//          
//          if(temp_vicon > 0)
//          { 
//            vicon_data = temp_vicon;
//            tone(buzzer, vicon_data*1.5, 100);
//          }
////          Serial.print("vicon:: ");
////          Serial.println(vicon_data);
//        }
//        guide_correct_sound();
//        Vicon_BTSerial.end();
//      }
//     
//      valid_subject = 0;
//
//      Vicon_BTSerial.println("end");
//      vicon_data = 0;
//      break;
//    }
//  }
//  
//  if (subject_count==3 || SUCCESS)
//  { 
//    subject_count = 0;
//    SUCCESS = false;
//    terminate_sound();
//  }
}


void target_sound()
{
  for(int i=0; i<5; ++i)
  {
    tone(buzzer, 500, 500);
    delay(1000);  
  }
}

void terminate_sound()
{
  tone(buzzer, 2093, 100); delay(100);
  tone(buzzer, 2349, 100); delay(100);
  tone(buzzer, 2637, 100); delay(100);
}

void guide_correct_sound()
{
  MP3Player.play(2);
  delay(1200);
}

void success_sound()
{
  MP3Player.play(5);
  delay(2000);
}

void fail_sound()
{
  MP3Player.play(4);
  delay(2000);
}