已通过模拟测试#includeunsigned char cir_num,pwm_mach,temp,distance,wait_time,price,distance;unsigned int a,t;sbit pwm_mach=P1^0;sbit key_clean=P3^0;//定义按键位置sbit key_stop=P3^1;sbit key_cheak=P3^2;sbit key_oneway=P3^3;sbit key_doubleway=P3^4;unsigned char code led_buf[]={0x3F,0x06,0x5B,0x4F,0x66,0x6D,0x7D,0x07,0x7F,0x6F};unsigned char code seg[]={0,1,2,3,4,5,6,7};//分别对应相应的数码管点亮/************初始化定时器0******************/void init_timer0(){ TMOD=0x01; TH0=0x3C; TL0=0xAF;//定时50MS EA=1; ET0=1; TR0=1;}/************初始化定时器1******************/void init_timer1(){ TMOD=0x10; TH0=0x00; TL0=0x00; EA=1; ET1=1; TR1=1;}/************初始化定时器2******************/void init_timer2(){ RCAP2H = (65536-50000)/256;// 50ms 自动重载 RCAP2L = (65536-50000)%256; ET2=1; EA=1; TR2=1;}/************定时器0中断******************/void Timer0_isr(void) interrupt 1 using 1{TH0=0x3C; TL0=0xAF;if(a==20)//定时1s {a=0; if( cir_num<5)//检测1S内圈数是否小于5 {t++; if(t==300)//等待时间累加满5分钟里程加1 temp=1; } }else cir_num++;}/************定时器1中断******************/void Timer1_isr(void) interrupt 3 using 1{TH1=0x00; /* Init value */TL1=0x00;distance=cir_num*28+temp;//里程cir_num++;//测速}/************定时器2中断******************/void Timer2_isr(void) interrupt 5 using 1//定时器2中断{ TF2=0; while(1) { pwm_mach=0; delay(200); pwm_mach=~pwm_mach; delay(400); }}/**************延时函数**************************/void delay(unsigned int cnt){while(--cnt);}/*********主函数******************/void main(){ init_time0(); init_time1(); init_time2(); while(1) { key_order(); dsp_data(); }}/**********按键控制****************/void key_order(){ if(!key_clean) {distance=0; cir_num=0; t=0; } if(!key_stop) { ET0=0; ET1=0; TR0=0; TR1=0; ET2=0; TR2=0; } if(!key_oneway) { flag=0;//去执行单程计价程序 } if(!key_doubleway) { flag=1;//去执行往返计价程序 } if(!key_cheak) { wait_time=1;//显示等待时间 //dis_time();//等待时间显示函数 }}/*********数据处理程序*****************/void dsp_data(){ switch(flag) { case 0:price=(cir_num-10714)*20；break; case 1:price=(cir_num-10714)*15；break; default:price=8; break; } switch(wait_time) { case 0:distance=cir_num*28+temp;//里程 price_display();//价格显示函数 break; case 1:time_display(); break; }}/*********价格显示函数***********/void price_display(){ led_buf[4]=price/1000; led_buf[5]=price%1000/100; led_buf[6]=price%100/10; led_buf[7]=price%10; led_buf[6]=0x80;}/*********里程显示函数***********/void distance_display(){ led_buf[0]=distance/1000; led_buf[1]=distance%1000/100; led_buf[2]=distance%100/10; led_buf[3]=distance%10; led_buf[2]=0x80;}void time_display(){ led_buf[0]=t/1000; led_buf[1]=t%1000/100; led_buf[2]=t%100/10; led_buf[3]=t%10; led_buf[4]=0x6d;}
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