51单片机蜂鸣器唱歌——天空之城

STC89C51RC单片机代码分享

最新推荐文章于 2025-09-01 11:45:22 发布

原创最新推荐文章于 2025-09-01 11:45:22 发布 · 1.6k 阅读

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#51单片机 #嵌入式硬件 #单片机

我使用的单片机的频率是 12.000Mhz

型号是stc89c51rc

话不多说代码如下

主函数代码

#include <REGF51RC.H>
#include "Timer0.h"
#include "Delay.h"

#define P 0
#define L1 1
#define L1_ 2
#define L2 3
#define L2_ 4
#define L3 5
#define L4 6
#define L4_ 7
#define L5 8
#define L5_ 9
#define L6 10
#define L6_ 11
#define L7  12
#define M1 13
#define M1_ 14
#define M2 15
#define M2_ 16
#define M3 17
#define M4 18
#define M4_ 19
#define M5 20
#define M5_ 21
#define M6 22
#define M6_ 23
#define M7  24
#define H1 25
#define H1_ 26
#define H2 27
#define H2_ 28
#define H3 29
#define H4 30
#define H4_ 31
#define H5 32
#define H5_ 33
#define H6 34
#define H6_ 35
#define H7  36

code unsigned int FreqTable[]={0,63628,63731,63835,63928,64021,64103,64185,64260,64331,64400,64463,64524,64580,64633,64684,64732,64777,64820,
	64860,64898,64934,64968,65000,65030,65058,65085,65110,65134,65157,65178,65198,65217,65235,65252,65268,65283};

code unsigned char Music[]={
  P,4,
  P,4,
	P,4,
	M6,2,
	M7,2,
	
	H1,4+2,
	M7,2,
	H1,4,
	H3,4,
	
	M7,4+4+4,
	M3,2,
	M3,2,
	
	M6,4+2,
	M5,2,
	M6,4,
	H1,4,
	
	M5,4+4+4,
	M3,4,
	
	M4,4+2,
	M3,2,
	M4,4,
	H1,4,
	
	M3,4+4,
	P,2,
	H1,2,
	H1,2,
	H1,2,
	
	M7,4+2,
	M4_,2,
	M4_,4,
	M7,4,
	
	M7,4+4,
	P,4,
	M6,2,
	M7,2,
	
	H1,2+4,
	M7,2,
	H1,4,
	H3,4,
	
	M7,4+4+4,
	M3,2,
	M3,2,
	
	M6,4+2,
	M5,2,
	M6,4,
	H1,4,
	
	M5,4+4+4,
	M2,2,
	M3,2,
	
	M4,4,
	H1,2,
	M7,4,
	H1,2+4,
	
	H2,2,
	H2,2,
	H3,2,
	H1,4+4,
	
	M5,4+4+4,
	M2,2,
	M3,2,
	
	M4,4,
	H1,2,
	H7,4,
	H1,2+4,
	
	H2,2,
	H2,2,
	H3,2,
	H1,4+4,
	
	H1,2,
	M7,4,
	M6,2,
	M6,2,
	M7,4,
	M5_,4,
	
	M6,4+4+4,
	H1,2,
	H2,2,
	
	H3,2+4,
	H2,2,
	H3,4,
	H5,4,
	
	H2,4+4+4,
	M5,2,
	M5,2,
	
	H1,2+4,
	M7,2,
	H1,4,
	H3,4,
	
	H3,4+4+4+4,
	
	M6,2,
	M7,2,
	H1,4,
	M7,4,
	H2,2,
	H2,2,
	
	H1,2+4,
	M5,2+4+4,
	
	H4,4,
	H3,4,
	H2,4,
	H1,4,
	
	H3,4+4+4,
	H3,4,
	
	H6,4+4,
	H5,4,
	H5,4,
	
	H3,2,
	H2,2,
	H1,4+4,
	P,2,
	H1,2,
	
	H2,4,
	H1,2,
	H2,2,
	H2,4,
	H5,4,
	
	H3,4+4+4,
	H3,4,
	
	H6,4+4,
	H5,4+4,
	
	H3,2,
	H2,2,
	H1,4+4,
	P,2,
	H1,2,
	
	H2,4,
	H1,2,
	H2,2+4,
	M7,4,
	
	M6,4+4+4,
	M6,2,
	M7,2,

	0xff

};
	

sbit buzzer=P2^0;
unsigned char FreqSelct=0,MusicSelct=0;
void  main()
{
  Timer0_init();
	while(1){
	FreqSelct=Music[MusicSelct];
		MusicSelct++;
		Delay(125*Music[MusicSelct]);
		MusicSelct++;
		TR0=0;
		Delay(5);
		TR0=1;
	}
}



void Timer0_isR() interrupt 1
{
  if(FreqSelct!=0xff){
		
	TL0 =FreqTable[FreqSelct]%256;
	TH0 =FreqTable[FreqSelct]/256;
	buzzer=~buzzer;
	}
	else{
	TR0=0;
	while(1);
	
	}

	
     

	
	}

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