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1、单片机二进制时钟[源码&电路]#include#include#defineucharunsignedchar#defineuintunsignedintsbitSET_H=P0^6;sbitSET_M=P0^5;sbitSET_S=P1^6;ucharcodeDSY_CODE[]=//用于显示时钟的编码{0x0,0x1,0x2,0x3,0x4,0x5,0x6,0x7,0x8,0x9,0xa,0xb,0xc,0xd,0xe,0xf,0x10,0x11,0x12,0x13,0
2、x14,0x15,0x16,0x17,0x18,0x19,0x1a,0x1b,0x1c,0x1d,0x1e,0x1f,0x20,0x21,0x22,0x23,0x24,0x25,0x26,0x27,0x28,0x29,0x2a,0x2b,0x2c,0x2d,0x2e,0x2f,0x30,0x31,0x32,0x33,0x34,0x35,0x36,0x37,0x38,0x39,0x3a,0x3b};uinthour=0,min=0,sec=0,count=0;voiddelay_ms(unsignedchari){
3、unsignedcharj;while(i--)for(j=124;j>0;j--);}voidSet_Interrupt_1(){if(SET_H==0){delay_ms(100);if(SET_H==0){TR0=0;if(hour<23)hour++;elsehour=0;//delay_ms(50);TR0=1;P0=~DSY_CODE[hour];P1=~DSY_CODE[min];P2=~DSY_CODE[sec];}}}voidSet_Interrupt_2(){if(SET_M==0){dela
4、y_ms(100);if(SET_M==0){TR0=0;TH0=(65535-50000)/256;TL0=(65535-50000)%256;if(min<59)min++;else{min=0;hour++;if(hour==24)hour=0;}//delay_ms(50);TR0=1;P0=~DSY_CODE[hour];P1=~DSY_CODE[min];P2=~DSY_CODE[sec];}}}voidSet_Interrupt_3(){if(SET_S==0){delay_ms(100);if(S
5、ET_S==0){TR0=0;if(sec<59)sec++;else{sec=0;min++;if(min==60){min=0;hour++;if(hour==24)hour=0;}}//delay_ms(50);TR0=1;P0=~DSY_CODE[hour];P1=~DSY_CODE[min];P2=~DSY_CODE[sec];;}}}voidmain(){P0=0xff;P1=0xff;P2=0xff;TMOD=0x01;TH0=(65535-50000)/256;TL0=(65535-50000)%
6、256;//IE=0x82;ET0=1;TR0=1;EA=1;while(1){Set_Interrupt_1();Set_Interrupt_2();Set_Interrupt_3();}}voidTime0()interrupt1{TH0=(65535-50000)/256;TL0=(65535-50000)%256;if((count+1)!=20){count++;return;}else{if((sec+1)!=60){P2=~DSY_CODE[++sec];}else{sec=0;if((min+1)
7、!=60){P1=~DSY_CODE[++min];}else{min=0;if((hour+1)!=60){P0=~DSY_CODE[++hour];}else{hour=0;}}}count=0;}}
