51單片機(jī)proteus仿真保存已行駛的里程并顯示如何修改程序

ID:1007713 · 發(fā)表于 2022-3-3 17:40

這個(gè)圖如何使得出租車停止行駛時(shí)，保存已行駛的里程和費(fèi)用并顯示。對(duì)應(yīng)程序怎么改?

#include<reg51.h>#define uchar unsigned char
#define  uint unsigned int
sbit       RESET             =       P3^7;
int       Price =       100, Mile =       0;
uchar       count =       0;
uchar code tab_d[10] = {0x3F,       0X06,       0X5B,       0X4F,       0X66,       0X6D,       0X7D,       0X07,       0X7F,       0X6F};
uchar code tab_wei[8] = {0x7f,       0xbf,       0xdf,       0xef,       0xf7,       0xfb,       0xfd,       0xfe};
void       delay(uint t)
{
      uchar       i=0;
      while(t--)
            for       (i;       i<120;i++);
}

void       display(uchar d,uchar x,uchar w)
{
      P2       =       0XFF;
      P2       =       tab_wei[w];
      P0       =       0;
      P0       =       tab_d[d] | x;
      delay       (100);
}

void       refresh()
{
      display(0,0,0);
      display(Mile%10,0,1);
      display(Mile/10%10,0x80,2);
      if       (Mile>= 100)
                     display(Mile/100%10,0,3);
      if       (Mile >= 1000)
                     display(Mile/1000%10,0,4);
      display(Price%10,0,5);
      display(Price/10%10,0x80,6);
      if       (Price>= 100)
            display(Price/100%10,0,7);
      if       (Price>=1000)
            display(Price/1000%10,0,8);
}
void timer1       ()       interrupt 1
{
      count++;
      Mile +=       1;
      if(       count==10)
      {
            count=0;
            if       (Mile>=30&&Mile<160)
                              Price +=16;
            if       (Mile>=160)
                              Price +=18;
            }
}
void init()
{
      P0                      =       0;
      P2                      =       0XFF;
      TMOD             =       0X0E;
      IT0                      =       1;
      TH0                      =       255;
      TL0                      =       255;
      TR0                      =       1;
      IE                      =       0X82;
}

void       judgeReset()
{
      if(RESET ==       0)
      {
            Price =       100;
            Mile = 0;
      }
}
void       main()
{
            init       ();
            while       (1)
            {
                     judgeReset       ();
                     refresh                      ();
                     }
}

ID:251390 · 發(fā)表于 2022-3-3 17:41

如果你的脈沖是根據(jù)從出租車獲取的脈沖數(shù)，比如說(shuō)輪子轉(zhuǎn)一圈，給一個(gè)脈沖這樣的話，程序沒(méi)有什么問(wèn)題，在出租車停下來(lái)的時(shí)候，沒(méi)有脈沖信號(hào)，顯示也就停在那了，如果你要在proteus中這么做的話，需要在脈沖和單片機(jī)之間加一個(gè)按鍵