51单片机演奏天空之城 c语言源程序
| #include #define uchar unsigned char #define uint unsigned int sbit beep=P1^0; unsigned int C; #define L1 262 #define L2 284 #define L3 311 #define L4 349 #define L5 392 #define L6 440 #define L7 494 #define Z1 523 #define Z2 587 #define Z3 659 #define Z4 698 #define Z5 784 #define Z6 880 #define Z7 987 #define H1 1046 #define H2 1174 #define H3 1318 #define H4 1396 #define H5 1567 #define H6 1760 #define H7 1975 void delay(); unsigned code GP[]={Z6,Z7,H1,Z7,H1,H3,Z7,Z3,Z6,Z5,Z6,H1,Z5, Z3,Z3,Z4,Z3,H4,H1,Z3,H1,H1,Z7,Z4,Z4,Z7, Z7,Z6,Z7,H1,Z7,H1,H3,Z7,Z3,Z6,Z5,Z6,H1, Z5,Z2,Z3,Z4,H1,Z7,H1,H2,H2,H3,H1,H1,Z7, Z6,Z6,Z7,Z5,Z6,H1,H2,H3,H2,H3,H5,H2,H1, H1,Z7,H1,H3,H3,Z6,Z7,H1,Z7,H1,H2,H1,Z5, Z5,H4,H3,H2,H1,H3,H3,H3,H6,H6,H5,H5,H3, H2,H1,H1,H2,H1,H2,H5,H3,H3,H6,H6,H5,H5, H3,H2,H1,H1,H2,H1,H2,Z7,Z6,Z6,0xff}; unsigned code JP[]={4,4,/**/12,4,8,8,/**/20,8,/**/12,4,8,8, 20,4,4,/**/12,4,8,8,/**/20,4,4,/**/12,4,8,8, /**/20,4,4,/**/12,4,8,8,/**/20,8,/**/12,4,8,8, /**/20,4,4,/**/8,4,12,3,1,/**/12,4,12,/**/4,4, 4,4,8,8,/**/20,4,4,/**/12,4,8,8,/**/24,/**/ 8,4,4,8,8,/**/24,/**/4,4,8,4,4,8,/**/12,4,12, /**/8,8,8,4,4,/**/16,8,/**/12,4,12,4,/**/4,4,12,8, /**/12,4,8,8,/**/16,8,/**/12,4,12,4,/**/4,4,12,8, /**/12,4,8,3,1,/**/32}; void main() { uchar i,j; TMOD=0x00; EA=1; //开总中断 ET0=1; //开t0中断 while(1) { i=0; while(GP[i]!=0xff) {C=460830/GP[i]; TH0=(8192-C)/32; TL0=(8192-C)%32; TR0=1;//开定时器0 for(j=0;j TR0=0; i++; } beep=0; } } void delay() //延时15.6ms { uint i,j; for(i=70;i>0;i--) {for(j=110;j>0;j--);} } void T0_time()interrupt 1 { TR0=0; beep=!beep; TH0=(8192-C)/32; TL0=(8192-C)%32; TR0=1; } |