這是我的51單片機程序編輯文件夾中的一個程序，感興趣的可以試試，我還弄了一個<《起風了》音樂程序
- #include <reg51.h>
- #define uchar unsigned char
- sbit beepIO=P2^5;
- uchar m,n;
- uchar code T[49][2]={{0,0},
- {0xF8,0x8B},{0xF8,0xF2},{0xF9,0x5B},{0xF9,0xB7},{0xFA,0x14},{0xFA,0x66},{0xFA,0xB9},{0xFB,0x03},{0xFB,0x4A},{0xFB,0x8F},{0xFB,0xCF},{0xFC,0x0B},
- {0xFC,0x43},{0xFC,0x78},{0xFC,0xAB},{0xFC,0xDB},{0xFD,0x08},{0xFD,0x33},{0xFD,0x5B},{0xFD,0x81},{0xFD,0xA5},{0xFD,0xC7},{0xFD,0xE7},{0xFE,0x05},
- {0xFE,0x21},{0xFE,0x3C},{0xFE,0x55},{0xFE,0x6D},{0xFE,0x84},{0xFE,0x99},{0xFE,0xAD},{0xFE,0xC0},{0xFE,0x02},{0xFE,0xE3},{0xFE,0xF3},{0xFF,0x02},
- {0xFF,0x10},{0xFF,0x1D},{0xFF,0x2A},{0xFF,0x36},{0xFF,0x42},{0xFF,0x4C},{0xFF,0x56},{0xFF,0x60},{0xFF,0x69},{0xFF,0x71},{0xFF,0x79},{0xFF,0x81}
- };
- uchar code music[][2]={{0,4},
- {23,4},{21,4},{23,16},{23,4},{21,4},{23,4},{21,4},{19,16},{16,4},{19,4},{21,8},{21,4},{23,4},{21,4},{19,4},{16,4},{19,4},{14,24},
- {23,4},{21,4},{23,16},{23,4},{21,4},{23,4},{21,4},{19,24},{16,4},{19,4},{21,8},{21,4},{23,4},{21,4},{19,4},{16,4},{19,4},{21,24},
- {23,4},{21,4},{23,16},{23,4},{21,4},{23,4},{21,4},{19,16},{16,4},{19,4},{21,8},{21,4},{23,4},{21,4},{19,4},{16,4},{19,4},{14,24},
- {23,4},{26,4},{26,16},{26,4},{28,4},{26,4},{23,24},{21,4},{23,4},{21,8},{21,4},{23,4},{21,4},{19,4},{16,4},{16,2},{19,2},{19,24},{0,20},
- {26,4},{26,4},{28,4},{31,4},{30,4},{30,4},{28,4},{23,4},{21,4},{21,4},{23,16},{0,4},{23,4},{23,4},{26,4},{28,8},{28,12},{16,4},{23,4},{21,4},
- {21,24},{23,4},{26,4},{26,4},{23,4},{26,8},{0,4},{31,8},{30,4},{28,4},{30,4},{23,8},{0,4},{28,4},{28,4},{30,4},{28,4},{26,4},{23,4},{21,8},{23,4},{21,4},{23,4},{26,16},
- {0xFF,0xFF}
- };
- void delay(uchar p)
- {
- uchar i,j;
- for(;p>0;p--)
- for(i=181;i>0;i--)
- for(j=181;j>0;j--);
- }
- void pause()
- {
- uchar i,j;
- for(i=150;i>0;i--)
- for(j=150;j>0;j--);
- }
- void T0_int() interrupt 1
- {
- beepIO=!beepIO;
- TH0=T[m][0];
- TL0=T[m][1];
- }
- void main()
- {
- uchar i=0;
- TMOD=0x01;
- EA=1;
- ET0=1;
- while(1)
- {
- m=music[i][0];
- n=music[i][1];
- if(m==0x00)
- {
- TR0=0;
- delay(n);
- i++;
- }
- else if(m==0xFF)
- {
- TR0=0;
- delay(30);
- i=0;
- }
- else if(m==music[i+1][0])
- {
- TR0=1;
- delay(n);
- TR0=0;
- pause();
- i++;}
- else
- {
- TR0=1;
- delay(n);
- i++;
- }
- }
- }
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頻率（譜）是怎么對應編出來的？？？
