dianziqin.rar_电子琴_电子琴 21_电子琴 51_电子琴程序keil

#include<reg52.h> #include<intrins.h> #include<math.h> #include<stdio.h> #define uchar unsigned char #define uint unsigned int extern serial_initial(); sbit CS=P1^0; sbit CLK=P1^1; sbit DIO=P1^2; sbit KEY=P1^3; sbit P3_4=P3^4; sbit P3_5=P3^5; uint code fre1[]={63628,63835,64021,64103,64260,64400,64524,64580,64684,64777,64820, 64898,64968,65030,65058,65110,65157,65178,65217,65252,65283}; uint code fre3[]={262,294,330,349,392,440,494,523,587,659,698,784,880,988,1046,1175,1318,1397,1568,1760,1976}; //低中高音频率 unsigned char code paipai[]={5,5,8,8,8,8,8,8,7,8,9,99,99,99,5,5,9,9,9,9,9,9,8,9 ,10,99,99,99,5,5,10,10,10,10,10,10,9,10,11,11,10,9,8,99,7,8,9,9,9,8,7,5,6,7,8}; //如果感到快乐你就拍拍手？ unsigned char code rabbit[]={6,6,5,6,8,9,10,9,8,9,10,99,8,13,13, 12,9,9,8,9,10,99,99,99,8,6,8,9,5,5,10,12,10,9,8,99,8,6,8,9,10,12,10,10,12,13}; //最炫民族风 unsigned char code huanle[]={10,10,11,12,12,11,10,9,8,8,9,10,10,9,9,99,10,10,11,12,12,11,10,9,8,8,9,10,9,8,8}; //欢乐颂 uchar rebuf,sebuf,a,b,c; int k; int s; bdata uchar com_data; sbit mos_bit=com_data^7; sbit low_bit=com_data^0; void delay_50us() //延时50us { uchar i; for(i=0;i<6;i++) {;} } void delay_8us() //延时8us { uchar i; for(i=0;i<=1;i++) {;} } void delay_1s() { unsigned int j; for(j=0;j<32250;j++){;} } void delay_10s() { unsigned int j; for(j=0;j<25550;j++){;} } void send(uchar sebuf) //发送数据 { uchar i; CS=0; delay_50us(); for(i=0;i<8;i++) { com_data=sebuf; sebuf=com_data<<1; DIO=mos_bit; CLK=1; delay_8us(); CLK=0; delay_8us(); } DIO=0; } void receive() //接收数据 { uchar i; DIO=1; delay_50us(); for(i=0;i<8;i++) { CLK=1; delay_8us(); low_bit=DIO; com_data=com_data<<1; rebuf=com_data; CLK=0; delay_8us(); } DIO=0; CS=1; } void time_0() interrupt 1 //定时器0中断 { TH0=fre1[k-1+s]/256; TL0=fre1[k-1+s]%256; P3_4=~P3_4; } void display(int kk); void play(int kk); void autoplay(); void welcome(); void main() //主函数 { serial_initial(); TMOD=0x01; sebuf=0xbf; send(sebuf); delay_50us(); CS=1; send(0xa4); delay_50us(); CS=1; welcome(); //欢迎界面 while(1) { EA=1; ET0=1; TR0=0; TR1=0; while(KEY); { send(0x15); delay_50us(); receive(); delay_50us(); CS=1; rebuf=rebuf>>1; k=rebuf; switch(k) //键值转换 { case 63:k=1; break; case 55:k=2; break; case 47:k=3; break; case 39:k=4; break; case 31:k=5; break; case 23:k=6; break; case 15:k=7; break; case 7: k=8; break; case 62:k=9; break; case 46:k=10; break; case 38:k=11; break; case 30:k=12; break; case 22:k=13; break; case 14:k=14; break; case 6: k=15; break; case 54:k=16; break; case 61:k=17; break; case 45:k=18; break; case 37:k=19; break; case 29:k=20; break; case 21:k=21; break; case 13:k=22; break; case 5: k=23; break; case 53:k=24; break; default: k=0; } display(k); if(k>=22&&k<=24) //判断是否自动播放 { autoplay(); TR0=0;TR1=0; goto key; //此句实现自动播放歌曲结束后声音停止 } else play(k); while(!KEY); //按键防抖 while(KEY); while(!KEY); key:KEY=1; TR0=0; TR1=0; } } } void display(int kk) //显示子程序 { if(kk<=21&&kk>=1) //对应于低中高音按键的显示 { int d,qian,bai,shi,ge; d=fre3[kk-1]; qian=d/1000; bai=(d-qian*1000)/100; shi=(d-qian*1000-bai*100)/10; ge=d-qian*1000-bai*100-shi*10; send(0xa4);delay_50us(); CS=1; send(0x87);delay_50us(); send(qian);delay_50us(); CS=1; send(0x86);delay_50us(); send(bai);delay_50us(); CS=1; send(0x85);delay_50us(); send(shi);delay_50us(); CS=1; send(0x84);delay_50us(); send(ge);delay_50us(); CS=1; send(0x83);delay_50us(); send(0x0c);delay_50us(); CS=1; send(0x82);delay_50us(); send(0x02);delay_50us(); CS=1; } else if(kk==22) //显示01； { send(0xa4);delay_50us(); CS=1; send(0x81); delay_50us(); send(0x00); delay_50us(); CS=1; send(0x80); delay_50us(); send(0x01); delay_50us(); CS=1; } else if(kk==23) //显示02； { send(0xa4);delay_50us(); CS=1; send(0x81); delay_50us(); send(0x00); delay_50us(); CS=1; send(0x80); delay_50us(); send(0x02); delay_50us(); CS=1; } else if(kk==24) //显示03； { send(0xa4);delay_50us(); CS=1; send(0x81); delay_50us(); send(0x00); delay_50us(); CS=1; send(0x80); delay_50us(); send(0x03); delay_50us(); CS=1; } else if(kk==99) //按键失误时显示00 { _nop_(); } else { send(0xa4);delay_50us(); CS=1; send(0x81); delay_50us(); send(0x00); delay_50us(); CS=1; send(0x80); delay_50us(); send(0x00); delay_50us(); CS=1; } } void play(int kk) //给定时器送初值并启动定时器工作 { if(kk!=99&&kk!=22&&kk!=23&&kk!=24) { TH0=fre1[kk-1]/256; TL0=fre1[kk-1]%256; TR0=1; } else if(kk==99) { delay_50us(); } } void autoplay() //自动播放子程序 { int i=0; if(k==22) //第一首歌 { while(i<55) { k=paipai[i]; play(k); display(k); delay_1s(); TR0=0; i++; } } else if(k==23) //第二首歌 { while(i<46) { k=rabbit[i]; play(k); display(k); delay_1s(); TR0=0; i++; } } else if(k==24) //第三首歌 { while(i<31) { k=huanle[i]; play(k); display(k); delay_1s(); TR0=0; i++; } } TR0=0; } void welcome() //开机显示HELLO界面子程序 { int i; send(0xa4);delay_50us();CS=1; send(0x84); delay_50us(); send(0x0c); delay_50us(); CS=1; send(0x83); delay_50us(); send(0x0b); delay_50us(); CS=1; send(0x82); delay_50us(); send(0x0d); delay_50us(); CS=1; send(0x81); delay_50us(); send(0x0d); delay_50us(); CS=1; send(0x80); delay_50us(); send(0x00); delay_50us(); CS=1; for(i=0;i<6;i++) { delay_10s(); } send(0xa1); delay_50us(); CS=1; delay_10s(); send(0xa1); delay_50us(); CS=1; delay_10s(); send(0xa1); delay_50us(); CS=1; delay_10s(); send(0xa1); delay_50us(); CS=1; delay_10s(); send(0xa1); delay_50us(); CS=1; delay_10s(); send(0xa1); delay_50us(); CS=1; delay_10s(); send(0xa1); delay_50us(); CS=1; delay_10s(); send(0xa1); delay_50us(); CS=1; delay_10s(); send(0xa4);delay_50us();CS=1; }