话不多说,直接上码:
/* Author: Waao666
* Created on 2020-1-7
* Version 1.0
*/
/* 以下部分是定义是把每个音符和频率值对应起来
* A+数字:表示音符;
* AH+数字:表示上面有点的那种音符;
* AL+数字:表示下面有点的那种音符
*/
#define A0 0
#define A1 441
#define A2 495
#define A3 556
#define A4 589
#define A5 661
#define A6 742
#define AL1 221
#define AL2 248
#define AL3 278
#define AL4 294
#define AL5 330
#define AL6 371
#define AL7 416
#define AH1 882
#define AH2 990
#define AH3 1112
#define AH4 1178
#define AH5 1322
#define AH6 1484
#define AH7 1665
/******************************************/
/********** 这部分是用英文对应了拍子 **********/
#define WHOLE 1
#define HALF 0.5
#define QUARTER 0.25
#define EIGHTH 0.25
#define SIXTEENTH 0.625
/******************************************/
/* 这部分就是整首曲子的音符部分,用了一个序列定义为tune,整数 */
int tune[] = {
A0,A0,A0,A3,A5,
A6,A0,A0,A5,A6,A0,A0,A5,
A6,AH1,A5,A6,A3,A0,A3,A5,
A6,A0,A0,A5,A6,A0,A0,A5,
A6,AH3,AH1,AH2,A6,A0,A3,A5,
A6,A0,A0,A5,A6,A0,A0,A5,
A6,AH1,A5,A6,A3,A5,A1,A2,
A3,AH1,A6,AH3,
AH2,AH3,AH2,AH1,AH2,A6,A0,
A6,A6,A6,A6,AH1,AH2,AH3,
A6,A6,A6,A5,A5,A6,
A6,A6,A6,A6,AH1,AH2,AH3,
A6,A6,A6,AH4,AH4,AH3,
A6,A6,A6,A6,AH1,AH2,AH3,
A6,A6,A6,A5,A5,A6,
A6,A6,A6,A6,AH1,AH2,AH3,
AH6,A5,A5,A6,A6
};
/****************************************************/
/* 这部分是整首曲子的接拍部分,也定义个序列duration,浮点(数组的个数和前面音符的个数是一样的) */
float duration[]= {
1,1,1,0.5,0.5,
0.5,0.5,0.5,0.5,0.5,0.5,0.5,0.5,
0.5,0.5,0.5,0.5,0.5,0.5,0.5,0.5,
0.5,0.5,0.5,0.5,0.5,0.5,0.5,0.5,
0.5,0.5,0.5,0.5,0.5,0.5,0.5,0.5,
0.5,0.5,0.5,0.5,0.5,0.5,0.5,0.5,
0.5,0.5,0.5,0.5,0.5,0.5,0.5,0.5,
1,1,1,1,
0.5,0.25,0.25,0.5,0.5,1,1,
1,1,1,0.25,0.25,0.25,0.25,
1,1,0.5,0.5,0.5,0.5,
1,1,1,0.25,0.25,0.25,0.25,
1,1,0.5,0.5,0.5,0.5,
1,1,1,0.25,0.25,0.25,0.25,
1,1,0.5,0.5,0.5,0.5,
1,1,1,0.25,0.25,0.25,0.25,
1+0.5,0.5,0.5,0.5,1
};
/**********************************************************************************/
int length; /* 这里定义一个变量,后面用来表示共有多少个音符 */
int tonePin=12; /* 蜂鸣器的pin */
void setup()
{
/* 设置蜂鸣器的pin为输出模式 */
pinMode(tonePin,OUTPUT);
/* 这里用了一个sizeof函数,可以查出tone序列里有多少个音符 */
length = sizeof(tune)/sizeof(tune[0]);
}
void loop()
{
/* 循环音符的次数 */
for(int x=0;x<length;x++){
/* 此函数依次播放tune序列里的数组,即每个音符 */
tone(tonePin,tune[x]);
/* 每个音符持续的时间,即节拍duration,450是调整时间的越大,曲子速度越慢 */
delay(450*duration[x]);
/* 停止当前音符,进入下一音符 */
noTone(tonePin);
}
/* 等待5秒,重新开始循环 */
delay(5000);
}