89c52的单片机自动往返电动小汽车设计报告 - 图文(10)

}

else if ((int)(PassTime*100) > 100 && (int)(PassTime*100) < 1000) //够1s而未够10s { } else { }

if ((int)(PassTime*100) < 1000) { } else { }

DisplaySingleChar(0x04,1,PassTime1); DisplaySingleChar(0x05,1,PassTime2); DisplaySingleChar(0x06,1,'.'); DisplaySingleChar(0x07,1,PassTime3); DisplaySingleChar(0x08,1,PassTime4);

DisplaySingleChar(0x05,1,PassTime1); DisplaySingleChar(0x06,1,'.'); DisplaySingleChar(0x07,1,PassTime2); DisplaySingleChar(0x08,1,PassTime3); PassTime1+=(int)(PassTime*100)/1000; PassTime2+=(int)(PassTime*100)/100; PassTime3+=(int)(PassTime*100)/10; PassTime4+=(int)(PassTime*100); PassTime1+=(int)(PassTime*100)/100; PassTime2+=(int)(PassTime*100)/10; PassTime3+=(int)(PassTime*100);

/*------------------------------------ 显示平均速度----------------------------------------*/

void DisplayAVGSpeed(void) {

if ((int)(Distance/PassTime*100)< 100) {

Speed1+=0;

Speed2+=(int)(Distance/PassTime*100)/10; Speed3+=(int)(Distance/PassTime*100);

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int Speed1=0x30; int Speed2=0x30; int Speed3=0x30;

//初始化为0的ASCII码

}

} else { }

DisplaySingleChar(0x05,1,Speed1); DisplaySingleChar(0x06,1,'.'); DisplaySingleChar(0x07,1,Speed2); DisplaySingleChar(0x08,1,Speed3);

Speed1+=(int)(Distance/PassTime*100)/100; Speed2+=(int)(Distance/PassTime*100)/10; Speed3+=(int)(Distance/PassTime*100);

/*------------------------------------- 显示路程 ----------------------------------------*/

void DisplayDistance(void) {

if ((int)(Distance*100) < 1000) {

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if ((int)(Distance*100) < 100) { }

else if ((int)(Distance*100) > 100 && (int)(Distance*100) < 1000) { } else { }

Distance1+=(int)(Distance*100)/1000; Distance2+=(int)(Distance*100)/100; Distance3+=(int)(Distance*100)/10; Distance4+=(int)(Distance*100); Distance1+=(int)(Distance*100)/100; Distance2+=(int)(Distance*100)/10; Distance3+=(int)(Distance*100); Distance1+=0;

Distance2+=(int)(Distance*100)/10; Distance3+=(int)(Distance*100); int Distance1=0x30; int Distance2=0x30; int Distance3=0x30; int Distance4=0x30;

}

}

DisplaySingleChar(0x05,1,Distance1); DisplaySingleChar(0x06,1,'.'); DisplaySingleChar(0x07,1,Distance2); DisplaySingleChar(0x08,1,Distance3);

else { }

DisplaySingleChar(0x04,1,Distance1); DisplaySingleChar(0x05,1,Distance2); DisplaySingleChar(0x06,1,'.'); DisplaySingleChar(0x07,1,Distance3); DisplaySingleChar(0x08,1,Distance4);

/*------------------------------------- 中断初始化 -------------------------------------*/

void INTInit(void) { }

void Clock0_Init(void) { }

void Clock1_Init(void) { }

/*******************************************************************************************\\

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TR1=0x01; TH1=0x3C; TL1=0x0B0;

//启动T1

//定时初值-50ms中断一次

TR0=0x01; TH0=Thx0; TL0=Tlx0;

//启动T0 //定时初值

//开总中断 //INTO边沿触发 //INTO优先级为高级 //开INT1中断 //INT1边沿触发 //INT1优先级为高级 //初始化时钟中断 //T0/T1定时方式1 //开T0中断 //开T1中断

EA=1; IT0=1; EX1=1; IT1=1;

PX0=1;

PX1=1; TMOD=0x11;

Clock0_Init(); ET0=0x01; ET1=0x01;

**

中断处理程序 **

\\*******************************************************************************************/ /*----------------------------------- 外部中断0 ----------------------------------------*\\

\\*-----------------------------------------------------------------------------------------*/ void SpeedINT(void) interrupt 0 { }

/*----------------------------------- 外部中断1 ----------------------------------------*\\

\\*-----------------------------------------------------------------------------------------*/ void CtrSpeedINT(void) interrupt 2 {

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