基于51单片机实现赛车跑道自动触发计时系统程序+proteus仿真

#include <REGX52.H> #include "exti.h" unsigned char NixieTable[]={0x3F,0x06,0x5B,0x4F,0x66,0x6D,0x7D,0x07,0x7F,0x6F}; unsigned char Track_time[]={0,0,0,0,0,0}; unsigned int Time_count[]={0,0,0,0,0,0}; unsigned int Track_Sta[]={0,0,0,0,0,0}; int count=1; int key; void Delay(unsigned int xms) { unsigned char i, j; while(xms--) { i = 2; j = 239; do { while (--j); } while (--i); } } void Timer0Init(void) { TMOD &= 0xF0; //设置定时器模式 TMOD |= 0x01; //设置定时器模式 TL0 = 0xF0; //设置定时初值 TH0 = 0xD8; //设置定时初值 TF0 = 0; //清除TF0标志 // TR0 = 1; //定时器0开始计时 ET0=1; EA=1; PT0=0; } void keyacqiue() { int i; if(P3_1==0)//k2启动 { Delay(20); while(P3_1==0); Delay(20); for(i=0;i<6;i++) { Track_Sta[i]=1; } TR0=1; key=0; } } void cancel() { int i; if(P3_0==0)//k4停止清屏 { Delay(20); while(P3_0==0); Delay(20); key=1; } } void processing(int count) { int i; switch(count) { case 1: if(Track_Sta[1]==0) { Track_time[1]=Time_count[1]/10000; Track_time[2]=Time_count[1]/1000%10; Track_time[3]=Time_count[1]/100%10; Track_time[4]=Time_count[1]/10%10; Track_time[5]=Time_count[1]%10; } else { Track_time[1]=Time_count[0]/10000; Track_time[2]=Time_count[0]/1000%10; Track_time[3]=Time_count[0]/100%10; Track_time[4]=Time_count[0]/10%10; Track_time[5]=Time_count[0]%10; } if(key)//k4停止清屏 { TR0=0; for(i=0;i<6;i++) { Track_time[i]=0; } Time_count[0]=0; } break; case 2: if(Track_Sta[2]==0) { Track_time[1]=Time_count[2]/10000; Track_time[2]=Time_count[2]/1000%10; Track_time[3]=Time_count[2]/100%10; Track_time[4]=Time_count[2]/10%10; Track_time[5]=Time_count[2]%10; } else { Track_time[1]=Time_count[0]/10000; Track_time[2]=Time_count[0]/1000%10; Track_time[3]=Time_count[0]/100%10; Track_time[4]=Time_count[0]/10%10; Track_time[5]=Time_count[0]%10; } if(key)//k4停止清屏 { TR0=0; for(i=0;i<6;i++) { Track_time[i]=0; } Time_count[0]=0; } break; case 3: if(Track_Sta[3]==0) { Track_time[1]=Time_count[3]/10000; Track_time[2]=Time_count[3]/1000%10; Track_time[3]=Time_count[3]/100%10; Track_time[4]=Time_count[3]/10%10; Track_time[5]=Time_count[3]%10; } else { Track_time[1]=Time_count[0]/10000; Track_time[2]=Time_count[0]/1000%10; Track_time[3]=Time_count[0]/100%10; Track_time[4]=Time_count[0]/10%10; Track_time[5]=Time_count[0]%10; } if(key)//k4停止清屏 { TR0=0; for(i=0;i<6;i++) { Track_time[i]=0; } Time_count[0]=0; } break; case 4: if(Track_Sta[4]==0) { Track_time[1]=Time_count[4]/10000; Track_time[2]=Time_count[4]/1000%10; Track_time[3]=Time_count[4]/100%10; Track_time[4]=Time_count[4]/10%10; Track_time[5]=Time_count[4]%10; } else { Track_time[1]=Time_count[0]/10000; Track_time[2]=Time_count[0]/1000%10; Track_time[3]=Time_count[0]/100%10; Track_time[4]=Time_count[0]/10%10; Track_time[5]=Time_count[0]%10; } if(key)//k4停止清屏 { TR0=0; for(i=0;i<6;i++) { Track_time[i]=0; } Time_count[0]=0; } break; case 5: if(Track_Sta[5]==0) { Track_time[1]=Time_count[5]/10000; Track_time[2]=Time_count[5]/1000%10; Track_time[3]=Time_count[5]/100%10; Track_time[4]=Time_count[5]/10%10; Track_time[5]=Time_count[5]%10; } else { Track_time[1]=Time_count[0]/10000; Track_time[2]=Time_count[0]/1000%10; Track_time[3]=Time_count[0]/100%10; Track_time[4]=Time_count[0]/10%10; Track_time[5]=Time_count[0]%10; } if(key)//k4停止清屏 { TR0=0; for(i=0;i<6;i++) { Track_time[i]=0; } Time_count[0]=0; } break; } } sbit LSA=P2^2; sbit LSB=P2^3; sbit LSC=P2^4; void Nixie22(unsigned char dat[]) { int i; for(i=2;i<8;i++) { switch(i) { case 2:LSA=0;LSB=1;LSC=0;break; case 3:LSA=1;LSB=1;LSC=0;break; case 4:LSA=0;LSB=0;LSC=1;break; case 5:LSA=1;LSB=0;LSC=1;break; case 6:LSA=0;LSB=1;LSC=1;break; case 7:LSA=1;LSB=1;LSC=1;break; } if(i!=5) { P0=NixieTable[dat[i-2]]; } else { P0=NixieTable[dat[i-2]]|0x80; } Delay(1); P0=0x00; } } void Nixie(unsigned int dat) { int i; for(i=0;i<2;i++) { switch(i) { case 0:LSA=0;LSB=0;LSC=0;break; case 1:LSA=1;LSB=0;LSC=0;break; } if(i==0) P0=NixieTable[0]; else P0=NixieTable[dat]; Delay(1); P0=0x00; } } void main() { Timer0Init(); IT0_Init(); IT1_Init(); while(1) { keyacqiue(); processing(count); cancel(); Nixie22(Track_time); Nixie(count); } } void Timer0_Routine() interrupt 1 { int i; TL0 = 0xF0; //设置定时初值 TH0 = 0xD8; //设置定时初值 Time_count[0]++; // keyacqiue(); if(Time_count[0]>=50000) { for(i=0;i<=5;i++) { Track_Sta[i]=0; } } if(Track_Sta[1]==1) { Time_count[1]=Time_count[0]; } if(Track_Sta[2]==1) { Time_count[2]=Time_count[0]; } if(Track_Sta[3]==1) { Time_count[3]=Time_count[0]; } if(Track_Sta[4]==1) { Time_count[4]=Time_count[0]; } if(Track_Sta[5]==1) { Time_count[5]=Time_count[0]; } } void Int0() interrupt 0 { Delay(20); while(P3_2==0); Delay(20); count++; if(count>5) count=1; // Track_Sta[count]=1; } void Int1() interrupt 2 { Delay(20); while(P3_3==0); Delay(20); if(Track_Sta[count]==0) Track_Sta[count]=1; else Track_Sta[count]=0; }