Embedded Files
#include <Wire.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>
#define SCREEN_WIDTH 128
#define SCREEN_HEIGHT 64
#define OLED_RESET -1
Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET);
#define BUZZER_PIN 8
#define NOTE_DURATION 600
// 音符频率定义
#define NOTE_C4 261.63
#define NOTE_D4 293.66
#define NOTE_E4 329.63
#define NOTE_F4 349.23
#define NOTE_G4 392.00
#define NOTE_A4 440.00
#define NOTE_B4 493.88
#define NOTE_C5 523.25
// 小星星音乐数组
int melody[] = {
NOTE_C4, NOTE_C4, NOTE_G4, NOTE_G4, NOTE_A4, NOTE_A4, NOTE_G4,
NOTE_F4, NOTE_F4, NOTE_E4, NOTE_E4, NOTE_D4, NOTE_D4, NOTE_C4,
NOTE_G4, NOTE_G4, NOTE_F4, NOTE_F4, NOTE_E4, NOTE_E4, NOTE_D4,
NOTE_G4, NOTE_G4, NOTE_F4, NOTE_F4, NOTE_E4, NOTE_E4, NOTE_D4,
NOTE_C4, NOTE_C4, NOTE_G4, NOTE_G4, NOTE_A4, NOTE_A4, NOTE_G4,
NOTE_F4, NOTE_F4, NOTE_E4, NOTE_E4, NOTE_D4, NOTE_D4, NOTE_C4
};
int melody2[] = {
0, 0, 4, 4, 5, 5, 4,
3, 3, 2, 2, 1, 1, 0,
4, 4, 3, 3, 2, 2, 1,
4, 4, 3, 3, 2, 2, 1,
0, 0, 4, 4, 5, 5, 4,
3, 3, 2, 2, 1, 1, 0
};
// 小星星音乐时长数组
int noteDurations[] = {
4, 4, 4, 4, 4, 4, 2,
4, 4, 4, 4, 4, 4, 2,
4, 4, 4, 4, 4, 4, 2,
4, 4, 4, 4, 4, 4, 2,
4, 4, 4, 4, 4, 4, 2,
4, 4, 4, 4, 4, 4, 2
};
const char *noteNames[] = {
"C", "D", "E", "F", "G", "A", "B"
};
void setup() {
pinMode(BUZZER_PIN, OUTPUT);
if(!display.begin(SSD1306_SWITCHCAPVCC, 0x3C)) {
Serial.println(F("SSD1306 allocation failed"));
for(;;);
}
display.display();
delay(2000);
display.clearDisplay();
}
void loop() {
for (int i = 0; i < sizeof(melody) / sizeof(melody[0]); i++) {
int noteDuration = NOTE_DURATION / noteDurations[i];
tone(BUZZER_PIN, melody[i], noteDuration);
display.clearDisplay();
display.setTextSize(1);
display.setTextColor(SSD1306_WHITE);
display.setCursor(0,0);
display.print("Note: ");
display.println(noteNames[melody2[i]]);
display.display();
delay(100);
int pauseBetweenNotes = noteDuration * 1.30;
delay(pauseBetweenNotes);
noTone(BUZZER_PIN);
}
}
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