초보자를 위한 아두이노 코딩 입문-20: 아두이노 Tetris Song with Lighting LEDs동영상

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그림_01.png

80년대부터 전해 내려 온 골동품 같은 게임 테트리스! 아두이노에 2개의 LED를 배선하여 번쩍이면서 점멸하는 테트리스 송을 동영상을 통해 들어 보자.

테트리스 송이 좀 빠른 듯하다. 그도 그럴 것이 각 톤별로 쉬는 구간이 있는데 이 부분을 //로 밀어 버리면 숨 가쁘게 음악과 함께 LED 가 미친 듯이 빠르게 점멸한다.

스타워즈 송 코딩에서 기법을 그대로 재현하도록 한다. 배선을 전혀 바꿀 필요가 없다.
buzzerPin 번호는 그대로 9 번으로 설정하고 LED 는 원래 스타워즈 송에서 2번 3번이었는데 여기서는 12번 13번으로 바꾸도록 한다.

그림_02.png

한편 주의할 점은 그림의 설명에서 볼 수 있듯이 계명 주파수 참조 데이터를 의미하는 pitches.h 파일을 Tetris_with_Brass_LED 파일과 반드시 같은 디렉토리에 두어야 한다.
코드 본문에서 #include “pitches.h”가 있으므로 자동으로 불러 온다.

그림_03.png

만약 문제가 있으면 다음의 설명을 보고 체크해 보기 바란다. 즉 Tetris_with_Brass_LED 파일을 아두이노 스케치 편집기에 로딩한 후 스케치 탭에서 파일추가 명령을 사용하여 pitches.h 파일을 지정해야 한다.

테트리스 송 코드는 오픈 소스이므로 다운 받아 들어 보도록 하자.

//Tetris_with_Brass_LED
#include "pitches.h"

const int buzzerPin = 9;
const int ledPin1 = 12;
const int ledPin2 = 13;
int counter = 0;

//notes in the melody:
int melody[] = {
NOTE_E5, NOTE_E3, NOTE_B4, NOTE_C5, NOTE_D5, NOTE_E5, NOTE_D5, NOTE_C5,
NOTE_B4, NOTE_A4, NOTE_A3, NOTE_A4, NOTE_C5, NOTE_E5, NOTE_A3, NOTE_D5,
NOTE_C5, NOTE_B4, NOTE_E4, NOTE_G4, NOTE_C5, NOTE_D5, NOTE_E3, NOTE_E5,
NOTE_E3, NOTE_C5, NOTE_A3, NOTE_A4, NOTE_A3, NOTE_A4, NOTE_A3, NOTE_B2,
NOTE_C3, NOTE_D3, NOTE_D5, NOTE_F5, NOTE_A5, NOTE_C5, NOTE_C5, NOTE_G5,
NOTE_F5, NOTE_E5, NOTE_C3, 0, NOTE_C5, NOTE_E5, NOTE_A4, NOTE_G4, NOTE_D5,
NOTE_C5, NOTE_B4, NOTE_E4, NOTE_B4, NOTE_C5, NOTE_D5, NOTE_G4, NOTE_E5,
NOTE_G4, NOTE_C5, NOTE_E4, NOTE_A4, NOTE_E3, NOTE_A4, 0,
NOTE_E5, NOTE_E3, NOTE_B4, NOTE_C5, NOTE_D5, NOTE_E5, NOTE_D5, NOTE_C5,
NOTE_B4, NOTE_A4, NOTE_A3, NOTE_A4, NOTE_C5, NOTE_E5, NOTE_A3, NOTE_D5,
NOTE_C5, NOTE_B4, NOTE_E4, NOTE_G4, NOTE_C5, NOTE_D5, NOTE_E3, NOTE_E5,
NOTE_E3, NOTE_C5, NOTE_A3, NOTE_A4, NOTE_A3, NOTE_A4, NOTE_A3, NOTE_B2,
NOTE_C3, NOTE_D3, NOTE_D5, NOTE_F5, NOTE_A5, NOTE_C5, NOTE_C5, NOTE_G5,
NOTE_F5, NOTE_E5, NOTE_C3, 0, NOTE_C5, NOTE_E5, NOTE_A4, NOTE_G4, NOTE_D5,
NOTE_C5, NOTE_B4, NOTE_E4, NOTE_B4, NOTE_C5, NOTE_D5, NOTE_G4, NOTE_E5,
NOTE_G4, NOTE_C5, NOTE_E4, NOTE_A4, NOTE_E3, NOTE_A4, 0,
NOTE_E4, NOTE_E3, NOTE_A2, NOTE_E3, NOTE_C4, NOTE_E3, NOTE_A2, NOTE_E3,
NOTE_D4, NOTE_E3, NOTE_GS2, NOTE_E3, NOTE_B3, NOTE_E3, NOTE_GS2, NOTE_E3,
NOTE_C4, NOTE_E3, NOTE_A2, NOTE_E3, NOTE_A3, NOTE_E3, NOTE_A2, NOTE_E3,
NOTE_GS3, NOTE_E3, NOTE_GS2, NOTE_E3, NOTE_B3, NOTE_E3, NOTE_GS2, NOTE_E3,
NOTE_E4, NOTE_E3, NOTE_A2, NOTE_E3, NOTE_C4, NOTE_E3, NOTE_A2, NOTE_E3,
NOTE_D4, NOTE_E3, NOTE_GS2, NOTE_E3, NOTE_B3, NOTE_E3, NOTE_GS2, NOTE_E3,
NOTE_C4, NOTE_E3, NOTE_E4, NOTE_E3, NOTE_A4, NOTE_E3, NOTE_A2, NOTE_E3,
NOTE_GS4, NOTE_E3, NOTE_GS2, NOTE_E3, NOTE_GS2, NOTE_E3, NOTE_GS2, NOTE_E3,
NOTE_E5, NOTE_E3, NOTE_B4, NOTE_C5, NOTE_D5, NOTE_E5, NOTE_D5, NOTE_C5,
NOTE_B4, NOTE_A4, NOTE_A3, NOTE_A4, NOTE_C5, NOTE_E5, NOTE_A3, NOTE_D5,
NOTE_C5, NOTE_B4, NOTE_E4, NOTE_G4, NOTE_C5, NOTE_D5, NOTE_E3, NOTE_E5,
NOTE_E3, NOTE_C5, NOTE_A3, NOTE_A4, NOTE_A3, NOTE_A4, NOTE_A3, NOTE_B2,
NOTE_C3, NOTE_D3, NOTE_D5, NOTE_F5, NOTE_A5, NOTE_C5, NOTE_C5, NOTE_G5,
NOTE_F5, NOTE_E5, NOTE_C3, 0, NOTE_C5, NOTE_E5, NOTE_A4, NOTE_G4, NOTE_D5,
NOTE_C5, NOTE_B4, NOTE_E4, NOTE_B4, NOTE_C5, NOTE_D5, NOTE_G4, NOTE_E5,
NOTE_G4, NOTE_C5, NOTE_E4, NOTE_A4, NOTE_E3, NOTE_A4, 0,
NOTE_E5, NOTE_E3, NOTE_B4, NOTE_C5, NOTE_D5, NOTE_E5, NOTE_D5, NOTE_C5,
NOTE_B4, NOTE_A4, NOTE_A3, NOTE_A4, NOTE_C5, NOTE_E5, NOTE_A3, NOTE_D5,
NOTE_C5, NOTE_B4, NOTE_E4, NOTE_G4, NOTE_C5, NOTE_D5, NOTE_E3, NOTE_E5,
NOTE_E3, NOTE_C5, NOTE_A3, NOTE_A4, NOTE_A3, NOTE_A4, NOTE_A3, NOTE_B2,
NOTE_C3, NOTE_D3, NOTE_D5, NOTE_F5, NOTE_A5, NOTE_C5, NOTE_C5, NOTE_G5,
NOTE_F5, NOTE_E5, NOTE_C3, 0, NOTE_C5, NOTE_E5, NOTE_A4, NOTE_G4, NOTE_D5,
NOTE_C5, NOTE_B4, NOTE_E4, NOTE_B4, NOTE_C5, NOTE_D5, NOTE_G4, NOTE_E5,
NOTE_G4, NOTE_C5, NOTE_E4, NOTE_A4, NOTE_E3, NOTE_A4, 0,
NOTE_E4, NOTE_E3, NOTE_A2, NOTE_E3, NOTE_C4, NOTE_E3, NOTE_A2, NOTE_E3,
NOTE_D4, NOTE_E3, NOTE_GS2, NOTE_E3, NOTE_B3, NOTE_E3, NOTE_GS2, NOTE_E3,
NOTE_C4, NOTE_E3, NOTE_A2, NOTE_E3, NOTE_A3, NOTE_E3, NOTE_A2, NOTE_E3,
NOTE_GS3, NOTE_E3, NOTE_GS2, NOTE_E3, NOTE_B3, NOTE_E3, NOTE_GS2, NOTE_E3,
NOTE_E4, NOTE_E3, NOTE_A2, NOTE_E3, NOTE_C4, NOTE_E3, NOTE_A2, NOTE_E3,
NOTE_D4, NOTE_E3, NOTE_GS2, NOTE_E3, NOTE_B3, NOTE_E3, NOTE_GS2, NOTE_E3,
NOTE_C4, NOTE_E3, NOTE_E4, NOTE_E3, NOTE_A4, NOTE_E3, NOTE_A2, NOTE_E3,
NOTE_GS4, NOTE_E3, NOTE_GS2, NOTE_E3, NOTE_GS2, NOTE_E3, NOTE_GS2, NOTE_E3,
};

//note durations: 4 = quarter note, 8 = eighth note, etc
int noteDurations[] = {
8,8,8,8,8,16,16,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,
8,4,8,8,16,16,8,8,8,8,8,8,8,16,16,8,8,8,8,8,8,8,8,8,8,8,8,8,8,4,4,
8,8,8,8,8,16,16,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,
8,4,8,8,16,16,8,8,8,8,8,8,8,16,16,8,8,8,8,8,8,8,8,8,8,8,8,8,8,4,4,
8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,
8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,
8,8,8,8,8,16,16,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,
8,4,8,8,16,16,8,8,8,8,8,8,8,16,16,8,8,8,8,8,8,8,8,8,8,8,8,8,8,4,4,
8,8,8,8,8,16,16,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,
8,4,8,8,16,16,8,8,8,8,8,8,8,16,16,8,8,8,8,8,8,8,8,8,8,8,8,8,8,4,4,
8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,
8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,
};

void setup(){
//Setup pin modes
pinMode(buzzerPin, OUTPUT);
pinMode(ledPin1, OUTPUT);
pinMode(ledPin2, OUTPUT);

//iterate over the notes of the melody:
for (int thisNote = 0; thisNote < sizeof(melody) / sizeof(melody[0]); thisNote++){

int noteDuration = 1000/noteDurations[thisNote];
tone(buzzerPin, melody[thisNote],noteDuration);
  //Play different LED depending on value of 'counter'

if(counter % 2 == 0)
{
digitalWrite(ledPin1, HIGH);
delay(noteDuration);
digitalWrite(ledPin1, LOW);
}else
{
digitalWrite(ledPin2, HIGH);
delay(noteDuration);
digitalWrite(ledPin2, LOW);
}

// int pauseBetweenNotes = noteDuration * 1.30;
// delay(pauseBetweenNotes);

noTone(buzzerPin); //stop the tone playing:
counter++;

}
digitalWrite(buzzerPin,LOW);
}

void loop(){ /*press reset to replay. */ } //끝

//pitches.h
/*************************************************

#define NOTE_B0 31
#define NOTE_C1 33
#define NOTE_CS1 35
#define NOTE_D1 37
#define NOTE_DS1 39
#define NOTE_E1 41
#define NOTE_F1 44
#define NOTE_FS1 46
#define NOTE_G1 49
#define NOTE_GS1 52
#define NOTE_A1 55
#define NOTE_AS1 58
#define NOTE_B1 62
#define NOTE_C2 65
#define NOTE_CS2 69
#define NOTE_D2 73
#define NOTE_DS2 78
#define NOTE_E2 82
#define NOTE_F2 87
#define NOTE_FS2 93
#define NOTE_G2 98
#define NOTE_GS2 104
#define NOTE_A2 110
#define NOTE_AS2 117
#define NOTE_B2 123
#define NOTE_C3 131
#define NOTE_CS3 139
#define NOTE_D3 147
#define NOTE_DS3 156
#define NOTE_E3 165
#define NOTE_F3 175
#define NOTE_FS3 185
#define NOTE_G3 196
#define NOTE_GS3 208
#define NOTE_A3 220
#define NOTE_AS3 233
#define NOTE_B3 247
#define NOTE_C4 262
#define NOTE_CS4 277
#define NOTE_D4 294
#define NOTE_DS4 311
#define NOTE_E4 330
#define NOTE_F4 349
#define NOTE_FS4 370
#define NOTE_G4 392
#define NOTE_GS4 415
#define NOTE_A4 440
#define NOTE_AS4 466
#define NOTE_B4 494
#define NOTE_C5 523
#define NOTE_CS5 554
#define NOTE_D5 587
#define NOTE_DS5 622
#define NOTE_E5 659
#define NOTE_F5 698
#define NOTE_FS5 740
#define NOTE_G5 784
#define NOTE_GS5 831
#define NOTE_A5 880
#define NOTE_AS5 932
#define NOTE_B5 988
#define NOTE_C6 1047
#define NOTE_CS6 1109
#define NOTE_D6 1175
#define NOTE_DS6 1245
#define NOTE_E6 1319
#define NOTE_F6 1397
#define NOTE_FS6 1480
#define NOTE_G6 1568
#define NOTE_GS6 1661
#define NOTE_A6 1760
#define NOTE_AS6 1865
#define NOTE_B6 1976
#define NOTE_C7 2093
#define NOTE_CS7 2217
#define NOTE_D7 2349
#define NOTE_DS7 2489
#define NOTE_E7 2637
#define NOTE_F7 2794
#define NOTE_FS7 2960
#define NOTE_G7 3136
#define NOTE_GS7 3322
#define NOTE_A7 3520
#define NOTE_AS7 3729
#define NOTE_B7 3951
#define NOTE_C8 4186
#define NOTE_CS8 4435
#define NOTE_D8 4699
#define NOTE_DS8 4978
//끝

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