1.单片机音乐代码
#include "reg51.h" #define uint unsigned int #define uchar unsigned char uchar * TABLE ; code uint TABLE1 [15]={64260,64400,64524,64580, 64684,64777,64820,64898, 64968,65030,65058,65110, 65157,65178,65217}; code uchar SONG [ ]={ //1. 迟来的爱 }; code uchar SONG1 [ ]={ //2.两只蝴蝶 }; code uchar SONG3 [ ]={ //4.一个师傅三个徒弟 }; uchar hjsz; uchar ljsz; uchar jpm; uchar yfm; uchar t0 =0; uint i=0; sbit Speaker =P1^0; uint k; void Delay1() { for ( k=0;k<20000;k++); } void Lignt( ) { uchar t; for(t=0;t<10;t++) { P2=0xff; Delay1(); P2=0x00; Delay1(); } } void Lignt1( ) { P2=0xaa; Delay1(); P2=0x55; Delay1(); } void Delay(uchar t0)//延时 { while(t0--) //决定节拍 Lignt1(); } void Delay2(uchar w0)//延时 { while(w0--) //决定节拍 Lignt(); } void T0Int() interrupt 1//TIMER0 { TL0 = ljsz; TH0 = hjsz; Speaker=!Speaker; } void ExtInt0() interrupt 0//INT0 { if(t0>10) t0=0; i=0; // 全局变量,指向歌谱的第1个 switch(t0++) { case 0 : TABLE=SONG;break; //选择第1首 case 1 : TABLE=SONG1;break;//选择第2首 case 2 : TABLE=SONG2;break;//选择第3首 case 3 : TABLE=SONG3;break;//选择第4首 case 4 : TABLE=SONG4;break;//选择第5首 case 5 : TABLE=SONG5;break;//选择第6首 case 6 : TABLE=SONG6;break;//选择第7首 case 7 : TABLE=SONG7;break;//选择第8首 case 8 : TABLE=SONG8;break;//选择第9首 case 9 : TABLE=SONG9;break;//选择第10首 } } void songsing()//发音程序 { i=0; while(TABLE[i]) { jpm=TABLE[i]&0x0f; //节拍值 yfm=(TABLE[i]>>0x04)&0x0f;//简谱值 if(yfm) //简谱为1,取计数值 { yfm=yfm-1; hjsz=(uchar)(TABLE1[yfm]>>0x08);//取计数值高字节 TH0 = hjsz; ljsz=(uchar)(TABLE1[yfm]); //取计数值低字节 TL0 = ljsz; TR0 = 1; //启动TIMER0 } else TR0 = 0; //简谱为0,不发音 Delay(jpm); //节拍延时 i++; } } void main(void) { TMOD =0X01;//设TIMER0在MODE1 TCON =0X01;//外部中断INT0,下降沿触发 IE =0x83;//开中断(INT0,TIMER0) IP =0x00;//设置中断优先级 TABLE=SONG0; while(1) { Lignt( ); songsing();//调用发音程序 TR0 = 0;//停止TIMER0 Delay2(1); TABLE=SONG0;// 更改歌曲0 songsing(); } }。
2.单片机歌曲程序源代码
/************************************************************************ [文件名] C51音乐程序(八月桂花) [功能] 通过单片机演奏音乐 /**********************************************************************/#include
3.如何编写51单片机音乐程序
设计的相关音乐说明
要产生音频脉冲,只要算出某一音频的周期(1/频率),然后将此周期除以2,即为半周期时间。利用半周期时间定时这个半周期时间,每当计时到后就将输出的I/O反向,然后重复计时此半周期再对I/O反向,就可以在I/O脚上得到此频率的脉冲。
记数脉冲值与频率的关系公式如:N=Fi/2/Fr。N:记数值;Fi:内部计时依次为1us,故其频率为1 MHZ;Fr:要产生的频率。
其记数值的求法如:T=65536-N=65536-Fi/2/Fr。例:设K=65536,F=1000000=Fi=1 MHZ。求低音DO(26HZ),中音DO(523HZ),高音DO(1046HZ)的记数值。
每个音符使用1个音节,字节的高四位代表音符的高低,低四位代表音符的节拍。如果1拍为0.4秒,1/4拍为0.1秒,假设1/4拍为 DELAY,则1拍为4 DELAY。
扩展资料:
功能特性
1,可以仿真63K程序空间,接近64K 的16位地址空间;
2,可以仿真64Kxdata 空间,全部64K 的16位地址空间;
3,可以真实仿真全部32 条IO脚;
4,完全兼容keilC51 UV2 调试环境,可以通过UV2 环境进行单步,断点, 全速等操作;
5,可以使用C51语言或者ASM汇编语言进行调试 ;
6,可以非常方便地进行所有变量观察,包括鼠标取值观察,即鼠标放在某 变量上就会立即显示出它此的值;
7,可选 使用用户晶振,支持0-40MHZ晶振频率;
8,片上带有768字节的xdata,您可以在仿真时选 使用他们,进行xdata 的仿真;
9,可以仿真双DPTR 指针;
10,可以仿真去除ALE 信号输出. ;
11,自适应300-38400bps 的所有波特率通讯;
12,体积非常细小,非常方便插入到用户板中.插入时紧贴用户板,没有连接电缆,这样可以有效地减少运行中的干扰,避免仿真时出现莫名其妙的故障;
13,仿真插针采用优质镀金插针,可以有效地防止日久生锈,选择优质园脚IC插座,保护仿真插针,同时不会损坏目标板上的插座. ;
14,仿真时监控和用户代码分离,不可能产生不能仿真的软故障;
15,RS-232接口不计成本采用MAX202集成电路,串行通讯稳定可靠,绝非一般三极管的简易电路可比。
参考资料来源:搜狗百科-51单片机
4.求一个用C语言编写的51单片机音乐程序代码
#include
sbit speaker=P2^2;
unsigned char timer0h,timer0l,time;
//生日歌
code unsigned char sszymmh[]={5,1,1, 5,1,1, 6,1,2, 5,1,2, 1,2,2, 7,1,4,
5,1,1, 5,1,1, 6,1,2, 5,1,2, 2,2,2, 1,2,4,
5,1,1, 5,1,1, 5,2,2, 3,2,2, 1,2,2, 7,1,2, 6,1,2,
4,2,1, 4,2,1, 3,2,2, 1,2,2, 2,2,2, 1,2,4};
// 音阶频率表 高八位
code unsigned char FREQH[]={
0xF2,0xF3,0xF5,0xF5,0xF6,0xF7,0xF8,
0xF9,0xF9,0xFA,0xFA,0xFB,0xFB,0xFC,0xFC, //1,2,3,4,5,6,7,8,i
0xFC,0xFD,0xFD,0xFD,0xFD,0xFE,
0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFF,
} ;
// 音阶频率表 低八位
code unsigned char FREQL[]={
0x42,0xC1,0x17,0xB6,0xD0,0xD1,0xB6,
0x21,0xE1,0x8C,0xD8,0x68,0xE9,0x5B,0x8F, //1,2,3,4,5,6,7,8,i
0xEE,0x44, 0x6B,0xB4,0xF4,0x2D,
0x47,0x77,0xA2,0xB6,0xDA,0xFA,0x16,
};
void delay(unsigned char t)
{
unsigned char t1;
unsigned long t2;
for(t1=0;t1{
for(t2=0;t2{
;
}
}
TR0=0;
}
void t0int() interrupt 1
{
TR0=0;
speaker=!speaker;
TH0=timer0h;
TL0=timer0l;
TR0=1;
}
void song()
{
TH0=timer0h;
TL0=timer0l;
TR0=1;
delay(time);
}
void main(void)
{
unsigned char k,i;
TMOD=1; //置CT0定时工作方式1
EA=1;
ET0=1;//IE=0x82 //CPU开中断,CT0开中断
while(1)
{
i=0;
while(ik=sszymmh[i]+7*sszymmh[i+1]-1;
timer0h=FREQH[k];
timer0l=FREQL[k];
time=sszymmh[i+2];
i=i+3;
song();
}
}
}
5.求单片机 音乐播放的c代码
#include "reg52.h" unsigned char Count; sbit _Speak =P2^3 ; //讯响器控制脚 unsigned char code SONG[] ={ //祝你平安0x26,0x20,0x20,0x20,0x20,0x20,0x26,0x10,0x20,0x10,0x20,0x80,0x26,0x20,0x30,0x20,0x30,0x20,0x39,0x10,0x30,0x10,0x30,0x80,0x26,0x20,0x20,0x20,0x20,0x20,0x1c,0x20,0x20,0x80,0x2b,0x20,0x26,0x20,0x20,0x20,0x2b,0x10,0x26,0x10,0x2b,0x80,0x26,0x20,0x30,0x20,0x30,0x20,0x39,0x10,0x26,0x10,0x26,0x60,0x40,0x10,0x39,0x10,0x26,0x20,0x30,0x20,0x30,0x20,0x39,0x10,0x26,0x10,0x26,0x80,0x26,0x20,0x2b,0x10,0x2b,0x10,0x2b,0x20,0x30,0x10,0x39,0x10,0x26,0x10,0x2b,0x10,0x2b,0x20,0x2b,0x40,0x40,0x20,0x20,0x10,0x20,0x10,0x2b,0x10,0x26,0x30,0x30,0x80,0x18,0x20,0x18,0x20,0x26,0x20,0x20,0x20,0x20,0x40,0x26,0x20,0x2b,0x20,0x30,0x20,0x30,0x20,0x1c,0x20,0x20,0x20,0x20,0x80,0x1c,0x20,0x1c,0x20,0x1c,0x20,0x30,0x20,0x30,0x60,0x39,0x10,0x30,0x10,0x20,0x20,0x2b,0x10,0x26,0x10,0x2b,0x10,0x26,0x10,0x26,0x10,0x2b,0x10,0x2b,0x80,0x18,0x20,0x18,0x20,0x26,0x20,0x20,0x20,0x20,0x60,0x26,0x10,0x2b,0x20,0x30,0x20,0x30,0x20,0x1c,0x20,0x20,0x20,0x20,0x80,0x26,0x20,0x30,0x10,0x30,0x10,0x30,0x20,0x39,0x20,0x26,0x10,0x2b,0x10,0x2b,0x20,0x2b,0x40,0x40,0x10,0x40,0x10,0x20,0x10,0x20,0x10,0x2b,0x10,0x26,0x30,0x30,0x80,0x00, //路边的野华不要采0x30,0x1C,0x10,0x20,0x40,0x1C,0x10,0x18,0x10,0x20,0x10,0x1C,0x10,0x18,0x40,0x1C,0x20,0x20,0x20,0x1C,0x20,0x18,0x20,0x20,0x80,0xFF,0x20,0x30,0x1C,0x10,0x18,0x20,0x15,0x20,0x1C,0x20,0x20,0x20,0x26,0x40,0x20,0x20,0x2B,0x20,0x26,0x20,0x20,0x20,0x30,0x80,0xFF,0x20,0x20,0x1C,0x10,0x18,0x10,0x20,0x20,0x26,0x20,0x2B,0x20,0x30,0x20,0x2B,0x40,0x20,0x20,0x1C,0x10,0x18,0x10,0x20,0x20,0x26,0x20,0x2B,0x20,0x30,0x20,0x2B,0x40,0x20,0x30,0x1C,0x10,0x18,0x20,0x15,0x20,0x1C,0x20,0x20,0x20,0x26,0x40,0x20,0x20,0x2B,0x20,0x26,0x20,0x20,0x20,0x30,0x80,0x20,0x30,0x1C,0x10,0x20,0x10,0x1C,0x10,0x20,0x20,0x26,0x20,0x2B,0x20,0x30,0x20,0x2B,0x40,0x20,0x15,0x1F,0x05,0x20,0x10,0x1C,0x10,0x20,0x20,0x26,0x20,0x2B,0x20,0x30,0x20,0x2B,0x40,0x20,0x30,0x1C,0x10,0x18,0x20,0x15,0x20,0x1C,0x20,0x20,0x20,0x26,0x40,0x20,0x20,0x2B,0x20,0x26,0x20,0x20,0x20,0x30,0x30,0x20,0x30,0x1C,0x10,0x18,0x40,0x1C,0x20,0x20,0x20,0x26,0x40,0x13,0x60,0x18,0x20,0x15,0x40,0x13,0x40,0x18,0x80,0x00,}; void Time0_Init() { TMOD = 0x01; IE = 0x82; TH0 = 0xD8; TL0 = 0xEF; //12MZ晶振,10ms } void Time0_Int() interrupt 1 { TH0 = 0xD8; TL0 = 0xEF; Count++; //长度加1 }/*------------------------------------------------- 功能:1MS延时子程序-------------------------------------------------*/ void Delay_xMs(unsigned int x) { unsigned int i,j; for( i =0;i < x;i++ ) { for( j =0;j<3;j++ ); } }/*------------------------------------------------- 功能:歌曲播放子程序i为播放哪一段曲目-------------------------------------------------*/ void Play_Song(unsigned char i) { unsigned char Temp1,Temp2; unsigned int Addr; Count = 0; //中断计数器清0 Addr = i * 217; while(1) { Temp1 = SONG[Addr++]; if ( Temp1 == 0xFF ) //休止符 { TR0 = 0; Delay_xMs(100); } else if ( Temp1 == 0x00 ) //歌曲结束符 { return; } else { Temp2 = SONG[Addr++]; TR0 = 1; while(1) { _Speak = ~_Speak; Delay_xMs(Temp1); if ( Temp2 == Count ) { Count = 0; break; } } } } }/*------------------------------------------------- 功能:主程序-------------------------------------------------*/ void main() { Time0_Init(); //定时器0中断初始化 while(1) { Play_Song(0); //播放 } }。
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