Arduino基础学习-tone函数

最新推荐文章于 2025-06-29 16:43:32 发布

FIll_Mood

最新推荐文章于 2025-06-29 16:43:32 发布

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本文介绍了一个使用Arduino进行音乐播放及音阶演奏的项目实现。通过代码配置，能够控制蜂鸣器播放《小星星》旋律，并实现按键触发不同音阶的发声，适用于初学者了解Arduino的基础操作和音乐播放原理。

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#include "notes.h"

int buzzerPin=9;

int note[]={C5, C5, G5, G5, A5, A5, G5, 0, F5, F5, E5, E5, D5, D5, C5, 0,
            G5, G5, F5, F5, E5, E5, D5, 0, G5, G5, F5, F5, E5, E5, D5, 0,
            C5, C5, G5, G5, A5, A5, G5, 0, F5, F5, E5, E5, D5, D5, C5, 0};
          
int duration[]={4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
                4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
                4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4};

void setup() {
 pinMode(buzzerPin, OUTPUT);
 }

void loop() {
  littleStar(buzzerPin, sizeof(note)/sizeof(int));
  }

void littleStar(int pin, int count) {
  for (int i=0; i<count; i++) { 
    int d=1000/duration[i];
    tone(pin, note[i], d);
    int p=d * 1.3;
    delay(p);
    noTone(pin);
    } 
  delay(2000);
  }

nt In_pin_Do = 10;
int In_pin_Re = 9;
int In_pin_Mi = 8;
int In_pin_Fa = 7;
int In_pin_So = 6;
int In_pin_La = 5;
int In_pin_Si = 4;
int In_pin_DoH = 3;
int Out_pin_Phone = 2;
int val;
int tempo = 200;
int Do = 1915;
int Re = 1700;
int Mi = 1519;
int Fa = 1432;
int So = 1275;
int La = 1136;
int Si = 1014;
int DoH = 956;
void setup()
{
  Serial.begin(9600);
  pinMode(Out_pin_Phone,OUTPUT);
}
void loop()
{
 val = digitalRead(In_pin_Do);
 if(val == 1) {playTone(Do,tempo); Serial.println("Do ");}
 val = digitalRead(In_pin_Re);
 if(val == 1) {playTone(Re,tempo); Serial.println("Re ");}
 val = digitalRead(In_pin_Mi);
 if(val == 1) {playTone(Mi,tempo); Serial.println("Mi ");}
 val = digitalRead(In_pin_Fa);
 if(val == 1) {playTone(Fa,tempo); Serial.println("Fa ");}
 val = digitalRead(In_pin_So);
 if(val == 1) {playTone(So,tempo); Serial.println("So ");}
 val = digitalRead(In_pin_La);
 if(val == 1) {playTone(La,tempo); Serial.println("La ");}
 val = digitalRead(In_pin_Si);
 if(val == 1) {playTone(Si,tempo); Serial.println("Si ");}
 val = digitalRead(In_pin_DoH);
 if(val == 1) {playTone(DoH,tempo); Serial.println("DoH ");}
}
void playTone(int tone, int duration)
{
  for(long i = 0; i < long(duration)* 1000;i += tone*2)
  {
    digitalWrite(Out_pin_Phone,HIGH);
    delayMicroseconds(tone);
    digitalWrite(Out_pin_Phone,LOW);
    delayMicroseconds(tone);
  }
}