아두이노 - 피에조 부저 멜로디 - 조덕배 꿈에

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조덕배 '꿈에' 피에조부저 멜로디 코드입니다.

 

조덕배 '꿈에' 피에조부저용 악보

 

melody_dream-JO.zip

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// 코드 설명 https://postpop.tistory.com/98

// 12화음 이름 정의
typedef enum {
  NOTE_C, NOTE_Cs, NOTE_D, NOTE_Eb, NOTE_E, NOTE_F, NOTE_Fs, NOTE_G, NOTE_Gs, 
  NOTE_A, NOTE_Bb, NOTE_B, NOTE_MAX
} note_t;

// 화음별 피에조 부저 진동수 정의 및 옥타브에 따른 값 변경 함수
double ledcWriteNote(note_t note, uint8_t octave){
  const uint16_t noteFrequencyBase[12] = {
  //  1      2      3      4      5      6     7       8     9       10    11      12
  //  C      C#     D      Eb     E      F     F#      G     G#      A     Bb      B
     4186,  4435,  4699,  4978,  5274,  5588,  5920,  6272,  6645,  7040,  7459,  7902
  };
  if(octave > 8 || note >= NOTE_MAX){
    return 0;
  }
  double noteFreq =  (double)noteFrequencyBase[note] / (double)(1 << (8-octave));
  return noteFreq;
}

// ---------------------------------------------------------------------- 조덕배 꿈에
uint8_t Tempo = 70;
float tempoRatio = float(Tempo)/60.0;
uint8_t KeySign = 9;
uint8_t octaveTemp = 4;
float beatTime = 4/4;

const note_t Mnote[] PROGMEM= {
NOTE_D,NOTE_F,NOTE_A,NOTE_E,NOTE_MAX,NOTE_F,NOTE_A,NOTE_D,NOTE_F,NOTE_MAX,NOTE_D,NOTE_F,NOTE_A,NOTE_E,NOTE_MAX,NOTE_A,NOTE_D,NOTE_F,NOTE_A,NOTE_MAX,NOTE_MAX,NOTE_F,
NOTE_A,NOTE_MAX,NOTE_A,NOTE_B,NOTE_C,NOTE_MAX,NOTE_C,NOTE_C,NOTE_B,NOTE_B,NOTE_A,NOTE_A,NOTE_G,NOTE_G,NOTE_F,
NOTE_G,NOTE_A,NOTE_G,NOTE_F,NOTE_G,NOTE_MAX,NOTE_MAX,NOTE_E,NOTE_F,NOTE_G,NOTE_MAX,NOTE_E,NOTE_D,NOTE_C,NOTE_D,
NOTE_A,NOTE_G,NOTE_F,NOTE_MAX,NOTE_MAX,NOTE_F,NOTE_G,NOTE_A,NOTE_B,NOTE_A,NOTE_MAX,NOTE_MAX,NOTE_E,NOTE_F,
NOTE_G,NOTE_A,NOTE_G,NOTE_MAX,NOTE_C,NOTE_D,NOTE_D,NOTE_MAX,NOTE_F,
NOTE_A,NOTE_MAX,NOTE_F,NOTE_G,NOTE_A,NOTE_B,NOTE_C,NOTE_MAX,NOTE_A,NOTE_F,NOTE_MAX,NOTE_MAX,NOTE_B,NOTE_B,
NOTE_C,NOTE_B,NOTE_B,NOTE_MAX,NOTE_A,NOTE_A,NOTE_G,NOTE_F,NOTE_A,NOTE_G,NOTE_MAX,NOTE_G,NOTE_G,NOTE_G,NOTE_G,
NOTE_A,NOTE_E,NOTE_MAX,NOTE_MAX,NOTE_E,NOTE_F,NOTE_G,NOTE_B,NOTE_MAX,NOTE_A,NOTE_A,NOTE_MAX,NOTE_MAX,NOTE_E,NOTE_F,
NOTE_G,NOTE_MAX,NOTE_G,NOTE_F,NOTE_E,NOTE_C,NOTE_D,NOTE_E,NOTE_D,NOTE_MAX,NOTE_F,
NOTE_A,NOTE_MAX,NOTE_F,NOTE_F,NOTE_G,NOTE_A,NOTE_B,NOTE_C,NOTE_MAX,NOTE_A,NOTE_F,NOTE_MAX,NOTE_MAX,NOTE_B,NOTE_B,
NOTE_C,NOTE_B,NOTE_B,NOTE_MAX,NOTE_A,NOTE_A,NOTE_G,NOTE_F,NOTE_A,NOTE_G,NOTE_MAX,NOTE_G,NOTE_G,NOTE_G,NOTE_G,
NOTE_A,NOTE_E,NOTE_MAX,NOTE_MAX,NOTE_E,NOTE_E,NOTE_G,NOTE_G,NOTE_B,NOTE_A,NOTE_MAX,NOTE_MAX,NOTE_E,NOTE_F,
NOTE_G,NOTE_MAX,NOTE_G,NOTE_F,NOTE_E,NOTE_C,NOTE_D,NOTE_E,NOTE_D,NOTE_MAX,NOTE_E,NOTE_F,
NOTE_G,NOTE_G,NOTE_MAX,NOTE_G,NOTE_E,NOTE_C,NOTE_A,NOTE_F,NOTE_MAX,NOTE_E,NOTE_D,NOTE_MAX,NOTE_MAX,NOTE_F,NOTE_D,NOTE_C,NOTE_B,NOTE_D,
NOTE_MAX,NOTE_MAX,NOTE_F,NOTE_A,NOTE_A,NOTE_A,NOTE_MAX,NOTE_G,NOTE_G,NOTE_MAX,NOTE_MAX,NOTE_E,NOTE_C,NOTE_B,NOTE_A,NOTE_C,
NOTE_MAX,NOTE_MAX,NOTE_F,NOTE_E,NOTE_E,NOTE_E,NOTE_MAX,NOTE_D,NOTE_MAX,NOTE_MAX,NOTE_D,NOTE_B,NOTE_B,NOTE_B,NOTE_B,
NOTE_MAX,NOTE_MAX,NOTE_C,NOTE_C,NOTE_B,NOTE_A,NOTE_A,NOTE_G,NOTE_F,NOTE_G,NOTE_MAX,NOTE_MAX,NOTE_G,NOTE_G,NOTE_G,NOTE_F,
NOTE_MAX,NOTE_MAX,NOTE_C,NOTE_E,NOTE_E,NOTE_E,NOTE_MAX,NOTE_D,NOTE_MAX,NOTE_MAX,NOTE_F,NOTE_D,NOTE_C,NOTE_B,NOTE_D,
NOTE_MAX,NOTE_MAX,NOTE_F,NOTE_F,NOTE_F,NOTE_A,NOTE_MAX,NOTE_A,NOTE_G,NOTE_F,NOTE_G,NOTE_MAX,NOTE_MAX,NOTE_E,NOTE_C,NOTE_B,NOTE_A,NOTE_C,
NOTE_MAX,NOTE_MAX,NOTE_E,NOTE_E,NOTE_E,NOTE_E,NOTE_MAX,NOTE_D,NOTE_D,NOTE_MAX,NOTE_MAX,NOTE_D,NOTE_B,NOTE_B,NOTE_B,NOTE_B,
NOTE_MAX,NOTE_MAX,NOTE_C,NOTE_C,NOTE_B,NOTE_A,NOTE_A,NOTE_G,NOTE_F,NOTE_G,NOTE_MAX,NOTE_MAX,NOTE_G,NOTE_G,NOTE_G,NOTE_F,
NOTE_MAX,NOTE_MAX,NOTE_F,NOTE_C,NOTE_A,NOTE_C,NOTE_B,NOTE_MAX,
NOTE_MAX,NOTE_MAX,NOTE_A,NOTE_G,NOTE_F,NOTE_G,NOTE_A,NOTE_MAX,NOTE_MAX,NOTE_A,NOTE_B,
NOTE_C,NOTE_MAX,NOTE_B,NOTE_A,NOTE_G,NOTE_F,NOTE_G,NOTE_A,NOTE_G,NOTE_F,NOTE_G,NOTE_MAX,NOTE_MAX,NOTE_G,NOTE_F,
NOTE_E,NOTE_F,NOTE_G,NOTE_E,NOTE_D,NOTE_C,NOTE_D,NOTE_A,NOTE_A,NOTE_MAX,
NOTE_MAX,NOTE_A,NOTE_G,NOTE_F,NOTE_G,NOTE_A,NOTE_B,NOTE_A,NOTE_MAX,NOTE_MAX,NOTE_E,NOTE_F,NOTE_G,NOTE_A,NOTE_G,NOTE_MAX,NOTE_MAX,NOTE_C,
NOTE_D,NOTE_MAX,NOTE_MAX,NOTE_E,NOTE_F,NOTE_G,NOTE_G,NOTE_MAX,NOTE_G,NOTE_E,NOTE_C,NOTE_A,NOTE_F,NOTE_MAX,NOTE_E,NOTE_D,
NOTE_MAX,NOTE_MAX,NOTE_F,NOTE_D,NOTE_C,NOTE_B,NOTE_D,NOTE_MAX,NOTE_MAX,NOTE_F,NOTE_A,NOTE_A,NOTE_A,
NOTE_MAX,NOTE_G,NOTE_G,NOTE_MAX,NOTE_MAX,NOTE_E,NOTE_C,NOTE_B,NOTE_A,NOTE_C,NOTE_MAX,NOTE_MAX,NOTE_F,NOTE_E,NOTE_E,NOTE_E,
NOTE_MAX,NOTE_D,NOTE_MAX,NOTE_MAX,NOTE_D,NOTE_B,NOTE_B,NOTE_B,NOTE_B,NOTE_MAX,NOTE_MAX,NOTE_C,NOTE_C,NOTE_B,NOTE_A,
NOTE_A,NOTE_G,NOTE_F,NOTE_G,NOTE_MAX,NOTE_MAX,NOTE_G,NOTE_G,NOTE_G,NOTE_F,NOTE_MAX,NOTE_MAX,NOTE_C,NOTE_E,NOTE_E,NOTE_E,
NOTE_MAX,NOTE_D,NOTE_MAX,NOTE_MAX,NOTE_F,NOTE_D,NOTE_C,NOTE_B,NOTE_D,NOTE_MAX,NOTE_MAX,NOTE_F,NOTE_F,NOTE_F,NOTE_A,NOTE_MAX,
NOTE_A,NOTE_G,NOTE_F,NOTE_G,NOTE_MAX,NOTE_MAX,NOTE_E,NOTE_C,NOTE_B,NOTE_A,NOTE_C,NOTE_MAX,NOTE_MAX,NOTE_E,NOTE_E,NOTE_E,NOTE_E,
NOTE_MAX,NOTE_D,NOTE_D,NOTE_MAX,NOTE_MAX,NOTE_D,NOTE_B,NOTE_B,NOTE_B,NOTE_B,NOTE_MAX,NOTE_MAX,NOTE_C,NOTE_C,NOTE_B,NOTE_A,
NOTE_A,NOTE_G,NOTE_F,NOTE_G,NOTE_MAX,NOTE_MAX,NOTE_G,NOTE_G,NOTE_G,NOTE_F,NOTE_MAX,NOTE_MAX,NOTE_F,NOTE_C,NOTE_A,
NOTE_C,NOTE_B,NOTE_MAX,NOTE_MAX,
};

const uint8_t Moct[] PROGMEM= {
3,3,3,4,0,3,3,4,4,0,3,3,3,4,0,3,4,4,4,0,3,4,
4,4,4,4,5,5,5,5,4,4,4,4,4,4,4,
4,4,4,4,4,0,4,4,4,4,0,5,5,5,5,
4,4,4,0,0,4,4,4,4,4,0,0,4,4,
4,4,4,0,4,4,4,4,4,
4,4,4,4,4,4,5,0,4,4,0,4,4,4,
5,4,4,0,4,4,4,4,4,4,0,4,4,4,4,
4,4,0,4,4,4,4,4,0,4,4,0,4,4,4,
4,0,4,4,4,4,4,4,4,4,4,
4,4,4,4,4,4,4,5,0,4,4,0,4,4,4,
5,4,4,0,4,4,4,4,4,4,0,4,4,4,4,
4,4,0,4,4,4,4,4,4,4,0,4,4,4,
4,0,4,4,4,4,4,4,4,4,4,4,
4,4,0,4,4,4,3,4,0,4,4,0,4,4,5,5,4,5,
0,4,4,4,4,4,0,4,4,0,4,4,5,4,4,5,
0,4,4,4,4,4,0,4,0,4,4,4,4,4,4,
0,4,5,5,4,4,4,4,4,4,0,4,4,4,4,4,
0,4,5,5,5,5,0,5,0,4,4,5,5,4,5,
0,4,4,4,4,4,0,4,4,4,4,0,4,4,5,4,4,5,
0,4,4,4,4,4,0,4,4,0,4,4,4,4,4,4,
0,4,5,5,4,4,4,4,4,4,0,4,4,4,4,4,
0,4,4,5,4,5,4,0,
4,4,4,4,4,4,4,0,4,4,4,
5,0,4,4,4,4,4,4,4,4,4,0,4,4,4,
4,4,4,5,5,5,5,4,4,0,
4,4,4,4,4,4,4,4,0,4,4,4,4,4,4,0,4,4,
4,4,4,4,4,4,4,0,4,4,4,3,4,0,4,4,
0,4,4,5,5,4,5,0,4,4,4,4,4,
0,4,4,0,4,4,5,4,4,5,0,4,4,4,4,4,
0,4,0,4,4,4,4,4,4,0,4,5,5,4,4,
4,4,4,4,0,4,4,4,4,4,0,4,5,5,5,5,
0,5,0,4,4,5,5,4,5,0,4,4,4,4,4,0,
4,4,4,4,0,4,4,5,4,4,5,0,4,4,4,4,4,
0,4,4,0,4,4,4,4,4,4,0,4,5,5,4,4,
4,4,4,4,0,4,4,4,4,4,0,4,4,5,4,
5,4,0,4,
0,
};

const uint8_t localKey[] PROGMEM= {
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,1,1,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,
1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,3,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,1,1,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,3,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,1,1,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,3,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,
1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,3,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,1,1,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,3,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,1,1,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,3,
0,0,0,0,
0,
};

const uint8_t Mdur[] PROGMEM= {
16,
1,1,1,1,4,1,1,1,1,4,1,1,1,1,4,1,1,1,1,2,1,1,
12,2,1,1,6,1,1,1,1,1,1,1,1,1,1,
1,1,1,1,1,8,3,2,1,1,4,3,1,2,2,
2,1,1,4,6,1,1,2,1,1,4,6,1,1,
2,1,1,4,6,2,12,3,1,
8,2,1,1,2,1,1,1,2,1,8,2,1,1,
2,1,1,2,2,1,3,2,1,1,12,1,1,1,1,
1,3,4,3,1,2,1,1,2,1,1,8,2,1,1,
4,1,2,1,3,1,2,2,12,3,1,
8,1,1,1,1,2,1,1,1,2,1,8,2,1,1,
2,1,1,2,2,1,3,2,1,1,12,1,1,1,1,
1,3,4,3,1,1,1,2,1,3,8,2,1,1,
4,1,2,1,3,1,2,2,12,2,1,1,
1,3,1,2,1,2,1,1,2,1,1,8,3,1,1,1,1,1,
8,3,1,2,1,1,2,1,1,4,3,1,1,1,1,1,
8,3,1,2,1,1,3,1,6,1,1,1,1,1,1,
8,1,2,1,2,2,1,1,1,1,6,1,1,2,1,1,
8,3,1,2,1,1,3,1,6,1,1,1,1,1,1,
8,1,2,1,1,2,1,1,1,1,1,4,3,1,1,1,1,1,
8,3,1,2,1,1,2,1,1,6,1,1,1,1,1,1,
8,1,2,1,2,2,1,1,1,1,6,1,1,2,1,1,
8,3,1,2,2,3,1,12,
12,1,2,1,1,1,2,8,2,1,1,
8,2,2,1,1,2,1,1,1,1,2,6,1,2,1,
1,1,8,4,1,1,2,1,1,12,
2,1,1,1,1,1,1,1,3,1,1,1,1,1,3,8,2,2,
8,4,2,1,1,1,3,1,2,1,2,1,1,2,1,1,
8,3,1,1,1,1,1,8,3,1,2,1,1,
2,1,1,4,3,1,1,1,1,1,8,3,1,2,1,1,
3,1,6,1,1,1,1,1,1,8,1,2,1,2,2,
1,1,1,1,6,1,1,2,1,1,8,3,1,2,1,1,
3,1,6,1,1,1,1,1,1,8,1,2,1,1,2,1,
1,1,1,1,4,3,1,1,1,1,1,8,3,1,2,1,1,
2,1,1,6,1,1,1,1,1,1,8,1,2,1,2,2,
1,1,1,1,6,1,1,2,1,1,8,3,1,2,2,
3,1,12,16,
};
// ----------------------------------------------------------------------

uint8_t noteNum = 0;

note_t keySignature(note_t note) {
  if (pgm_read_byte(&localKey[noteNum]) == 0) {
    if (KeySign == 1) { 
      if (note == NOTE_B) note = NOTE_Bb;
    } else if (KeySign == 2) { 
      if (note == NOTE_B) note = NOTE_Bb;
      else if (note == NOTE_E) note = NOTE_Eb;
    } else if (KeySign == 3) {
      if (note == NOTE_B) note = NOTE_Bb;
      else if (note == NOTE_E) note = NOTE_Eb;
      else if (note == NOTE_A) note = NOTE_Gs;
    } else if (KeySign == 4) { 
      if (note == NOTE_B) note = NOTE_Bb;
      else if (note == NOTE_E) note = NOTE_Eb;
      else if (note == NOTE_A) note = NOTE_Gs;
      else if (note == NOTE_D) note = NOTE_Cs;
    } else if (KeySign == 5) { 
      if (note == NOTE_B) note = NOTE_Bb;
      else if (note == NOTE_E) note = NOTE_Eb;
      else if (note == NOTE_A) note = NOTE_Gs;
      else if (note == NOTE_D) note = NOTE_Cs;
      else if (note == NOTE_G) note = NOTE_Fs;
    } else if (KeySign == 6) {
      if (note == NOTE_B) note = NOTE_Bb;
      else if (note == NOTE_E) note = NOTE_Eb;
      else if (note == NOTE_A) note = NOTE_Gs;
      else if (note == NOTE_D) note = NOTE_Cs;
      else if (note == NOTE_G) note = NOTE_Fs;
      else if (note == NOTE_C) { note = NOTE_B; octaveTemp -= 1; }
    } else if (KeySign == 7) { 
      if (note == NOTE_B) note = NOTE_Bb;
      else if (note == NOTE_E) note = NOTE_Eb;
      else if (note == NOTE_A) note = NOTE_Gs;
      else if (note == NOTE_D) note = NOTE_Cs;
      else if (note == NOTE_G) note = NOTE_Fs;
      else if (note == NOTE_C) { note = NOTE_B; octaveTemp -= 1; }
      else if (note == NOTE_F) note = NOTE_E;
    } else if (KeySign == 8) { 
      if (note == NOTE_F) note = NOTE_Fs;
    } else if (KeySign == 9) {
      if (note == NOTE_F) note = NOTE_Fs;
      else if (note == NOTE_C) note = NOTE_Cs;
    } else if (KeySign == 10) {
      if (note == NOTE_F) note = NOTE_Fs;
      else if (note == NOTE_C) note = NOTE_Cs;
      else if (note == NOTE_G) note = NOTE_Gs;
    } else if (KeySign == 11) { 
      if (note == NOTE_F) note = NOTE_Fs;
      else if (note == NOTE_C) note = NOTE_Cs;
      else if (note == NOTE_G) note = NOTE_Gs;
      else if (note == NOTE_D) note = NOTE_Eb;
    } else if (KeySign == 12) {
      if (note == NOTE_F) note = NOTE_Fs;
      else if (note == NOTE_C) note = NOTE_Cs;
      else if (note == NOTE_G) note = NOTE_Gs;
      else if (note == NOTE_D) note = NOTE_Eb;
      else if (note == NOTE_A) note = NOTE_Bb;
    } else if (KeySign == 13) {
      if (note == NOTE_F) note = NOTE_Fs;
      else if (note == NOTE_C) note = NOTE_Cs;
      else if (note == NOTE_G) note = NOTE_Gs;
      else if (note == NOTE_D) note = NOTE_Eb;
      else if (note == NOTE_A) note = NOTE_Bb;
      else if (note == NOTE_E) note = NOTE_F;
    } else if (KeySign == 14) { 
      if (note == NOTE_F) note = NOTE_Fs;
      else if (note == NOTE_C) note = NOTE_Cs;
      else if (note == NOTE_G) note = NOTE_Gs;
      else if (note == NOTE_D) note = NOTE_Eb;
      else if (note == NOTE_A) note = NOTE_Bb;
      else if (note == NOTE_E) note = NOTE_F;
      else if (note == NOTE_B) { note = NOTE_C; octaveTemp += 1; }
    }
  }
  else { // 1. natural
    if (pgm_read_byte(&localKey[noteNum]) == 2) { // 2. b
      if (note == NOTE_C) { note = NOTE_B; octaveTemp -= 1; }
      else if (note == NOTE_D) note = NOTE_Cs;
      else if (note == NOTE_E) note = NOTE_Eb;
      else if (note == NOTE_F) note = NOTE_E;
      else if (note == NOTE_G) note = NOTE_Fs;
      else if (note == NOTE_A) note = NOTE_Gs;
      else if (note == NOTE_B) note = NOTE_Bb;
    }
    else if (pgm_read_byte(&localKey[noteNum]) == 3) { // 2. #
      if (note == NOTE_C) note = NOTE_Cs;
      else if (note == NOTE_D) note = NOTE_Eb;
      else if (note == NOTE_E) note = NOTE_F;
      else if (note == NOTE_F) note = NOTE_Fs;
      else if (note == NOTE_G) note = NOTE_Gs;
      else if (note == NOTE_A) note = NOTE_Bb;
      else if (note == NOTE_B) { note = NOTE_C; octaveTemp += 1; }
    }
    else if (pgm_read_byte(&localKey[noteNum]) == 4) { // 4. bb
      if (note == NOTE_C) { note = NOTE_Bb; octaveTemp -= 1; }
      else if (note == NOTE_D) note = NOTE_C;
      else if (note == NOTE_E) note = NOTE_D;
      else if (note == NOTE_F) note = NOTE_Eb;
      else if (note == NOTE_G) note = NOTE_F;
      else if (note == NOTE_A) note = NOTE_G;
      else if (note == NOTE_B) note = NOTE_A;
    }
    else if (pgm_read_byte(&localKey[noteNum]) == 5) { // 5. ##
      if (note == NOTE_C) note = NOTE_D;
      else if (note == NOTE_D) note = NOTE_E;
      else if (note == NOTE_E) note = NOTE_Fs;
      else if (note == NOTE_F) note = NOTE_G;
      else if (note == NOTE_G) note = NOTE_A;
      else if (note == NOTE_A) note = NOTE_B;
      else if (note == NOTE_B) { note = NOTE_Cs; octaveTemp += 1; }
    }
  }
  return note;
}
// ----------------------------------------------------------------------

int beepPin = 10;

void setup() {
  Serial.begin(9600);
}

bool beepMelody = false;
unsigned long int beepTime = 0;

// 시리얼 모니터에서 0을 입력하면 멜로디 재생
// 0을 한번더 입력하면 멜로디 정지

void loop() {
  if(Serial.available() > 0){
    String temp = Serial.readStringUntil('\n');
    Serial.println(temp);
    if (temp == "0") {
      beepMelody = !beepMelody;
      noteNum = 0; beepTime = 0;
      if (!beepMelody) noTone(beepPin);  
    }
  }
  if (beepMelody) {
    if (millis() - beepTime >= pgm_read_byte(&Mdur[noteNum])*(1000/(4*tempoRatio))) {
      beepTime = millis();
      noTone(beepPin);
      octaveTemp = pgm_read_byte(&Moct[noteNum]);
      note_t KeyNote = keySignature(pgm_read_word(&Mnote[noteNum]));
      tone(beepPin, ledcWriteNote(KeyNote, octaveTemp));  // ledcWriteNote(uint8_t channel, note_t note, uint8_t octaveTemp);
      noteNum++;
      if (noteNum == sizeof(Mdur)) { // 초기화
        noTone(beepPin);  
        noteNum = 0; 
        beepMelody = false;
      }
    }
  } 
}

 

 

*참조악보*

https://youtu.be/Lt8VeR-FjxI?feature=shared

 

 

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