7_segment_second_clock_8_8.zip_7 segment clock

#include<reg52.h> #include <intrins.h> #define uchar unsigned char #define uint unsigned int uchar time_num,time_1s,time_1sb,time_10ms=0,time_60s,time_60m; uchar led_10ms,led_100ms,led_1s,led_10s,led_1m,led_10m,led_1h,led_10h; void delay(uint i); sbit ls138_a=P2^2; sbit ls138_b=P2^3; sbit ls138_c=P2^4; sbit led_en=P1^1; uchar code led_dis[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x40}; void main() { uchar i; uchar led[8]; TMOD=0x01; TH0=(65536-9216)/256; TL0=(65536-9216)%256; EA=1; ET0=1; TR0=1; while(1) { /////////////////////////////////////////////////////// if(time_10ms==100) { time_10ms=0; time_1s++; if(time_1s==100) time_1s=0; if(time_1sb==60) { time_1sb=0; time_60s++; if(time_60s==60) time_60m++; } } led_100ms=led_dis[time_10ms/10]; led_10ms =led_dis[time_10ms%10]; led_10s =led_dis[time_1s/10]; led_1s =led_dis[time_1s%10]; led_1m =led_dis[time_60s%10]; led_10m =led_dis[time_60s/10]; led_1h =led_dis[time_60m%10]; led_10h =led_dis[time_60m/10]; ////////////////////////////////////////////////////////// led[2]=led_100ms; led[3]=led_10ms; led[0]=led_10s; led[1]=led_1s; led[4]=led_1m; led[5]=led_10m; led[6]=led_1h; led[7]=led_10h; for(i=0;i<4;i++) { P0=led[i]; switch (i) { case 0: ls138_a=0;ls138_b=0;ls138_c=0;led_en=1;break; case 1: ls138_a=1;ls138_b=0;ls138_c=0;led_en=1;break; case 2: ls138_a=0;ls138_b=1;ls138_c=0;led_en=1;break; case 3: ls138_a=1;ls138_b=1;ls138_c=0;led_en=1;break; case 4: ls138_a=0;ls138_b=0;ls138_c=1;led_en=1;break; case 5: ls138_a=1;ls138_b=0;ls138_c=1;led_en=1;break; case 6: ls138_a=0;ls138_b=1;ls138_c=1;led_en=1;break; case 7: ls138_a=1;ls138_b=1;ls138_c=1;led_en=1;break; } delay(10); } } } void time_50ms() interrupt 1 { TH0=(65536-9216)/256; TL0=(65536-9216)%256; //10ms time_10ms++; /*if(time_10ms==100) { time_10ms=0; time_1s++; time_1sb=time_1s; if(time_1s==100) time_1s=0; if(time_1sb==60) { time_1sb=0; time_60s++; if(time_60s==60) time_60m++; } } led_100ms=led_dis[time_10ms/10]; led_10ms =led_dis[time_10ms%10]; led_10s =led_dis[time_1s/10]; led_1s =led_dis[time_1s%10]; led_1m =led_dis[time_60s%10]; led_10m =led_dis[time_60s/10]; led_1h =led_dis[time_60m%10]; led_10h =led_dis[time_60m/10]; */ } void delay(uint i) { uchar j; for(i; i > 0; i--) for(j = 200; j > 0; j--); }