#include <reg51.h> #define uint unsigned int #define uchar unsigned char sfr P0M0 = 0x94; sfr P0M1 = 0x93; sfr P2M0 = 0x96; sfr P2M1 = 0x95; uint count,i,j; uchar code leddata[] = { 0xC0, //"0" 0xF9, //"1" 0xA4, //"2" 0xB0, //"3" 0x99, //"4" 0x92, //"5" 0x82, //"6" 0xF8, //"7" 0x80, //"8" 0x90, //"9" 0x88, //"A" 0x83, //"B" 0xC6, //"C" 0xA1, //"D" 0x86, //"E" 0x8E, //"F" 0x89, //"H" 0xC7, //"L" 0xC8, //"n" 0xC1, //"u" 0x8C, //"P" 0xA3, //"o" 0xBF, //"-" 0xFF, 0xFF }; uchar code weidata[] = { 0x01,0x02,0x04,0x08, 0x10,0x20,0x40,0x80, 0x01,0x02,0x04,0x08, 0x10,0x20,0x40,0x80, }; void delay(uint ms){ uint i,j; for(i = 0;i < ms;i++) for(j = 0;j < 1210;j++); } void timer_init(){ TMOD = 0x60; TH1 = 0xfb; TL1 = 0xfb; EA = 1; ET1 = 1; TR1 = 1; } void timer_init1() interrupt 3{ count++; if(count == 8){ count = 0; } } void display(){ P0 = leddata[8]; P2 = ~weidata[count]; } void main(){ P0M0 = 0x00; P0M1 = 0x00; P2M0 = 0x00; P2M1 = 0x00; timer_init(); while(1){ display(); } } //计数器同级脉冲00H-FFH #include <reg51.h> #define uint unsigned int #define uchar unsigned char sfr P0M0 = 0x94; sfr P0M1 = 0x93; sfr P2M0 = 0x96; sfr P2M1 = 0x95; uint m,i,j; uchar code leddata[] = { 0xC0, //"0" 0xF9, //"1" 0xA4, //"2" 0xB0, //"3" 0x99, //"4" 0x92, //"5" 0x82, //"6" 0xF8, //"7" 0x80, //"8" 0x90, //"9" 0x88, //"A" 0x83, //"B" 0xC6, //"C" 0xA1, //"D" 0x86, //"E" 0x8E, //"F" 0x89, //"H" 0xC7, //"L" 0xC8, //"n" 0xC1, //"u" 0x8C, //"P" 0xA3, //"o" 0xBF, //"-" 0xFF, }; uchar code weidata[] = { 0x01,0x02,0x04,0x08, 0x10,0x20,0x40,0x80 }; void delay(uint ms){ uint i,j; for(i = 0;i < ms;i++) for(j = 0;j < 121;j++); } void timer_init(){ TMOD = 0x60; TH1 = 255; TL1 = 255; EA = 1; ET1 = 1; TR1 = 1; } void timer_init1() interrupt 3{ i++; m++; if(m == 255){ i = 0; j = 0; m = 0; } if(i == 16){ i = 0; j++; if(j == 16){ j = 0; } } } void display(){ P0 = leddata[16]; P2 = ~weidata[2]; delay(3); P0 = leddata[i]; P2 = ~weidata[1]; delay(3); P0 = leddata[j]; P2 = ~weidata[0]; delay(3); } void main(){ P0M0 = 0x00; P0M1 = 0x00; P2M0 = 0x00; P2M1 = 0x00; timer_init(); while(1){ display(); } }