5110显示超声波（部分函数在库里）求帮助 -

标题: 5110显示超声波（部分函数在库里）求帮助 [打印本页]

作者: canyue000111 时间: 2019-2-17 17:46
标题: 5110显示超声波（部分函数在库里）求帮助
#include "nokia_5110.h"
#include <stc12c5a60s2.h>
#include <intrins.h>
#include "delay.h"
#include "GPIO.h"
sbit Trig=P4^4;
sbit Echo=P4^5;

unsigned long time;
unsigned long distance;
void Display(void);
void main()
{
GPIO_init_pin(44,0);//双向口
GPIO_init_pin(45,0);
LCD_init();
  LCD_clear();
EA=1;
TMOD=0x01;
TR0=0;
TH0=0;
TL0=0;
  while(1)
  {
  Trig=1;
  exact_delay(1,2,12);
  Trig=0;
  while(Echo==1);
  TR0=1;
  while(Echo==0);
  TR0=0;
  time=TH0*256+TL0;
  distance=(time*340)/2;
  delay_X_ms(100);
  Dispaly();
  }
}
void Display()
{
unsigned char unit,ten,hundred,thousand,shifenwei,baifenwei;
unit=distance/ % 10;
ten=distance/ 10 % 10;
hundred = distance/ 100 % 10;
thousand = distance / 1000 % 10;
shifenwei= (distance*10)%10;
baifenwei= (distance*100)%10;
  if(time>8000)
  {
LCD_write_english_string(3,2,"chao guo");
  }
  else
  {
LCD_set_XY(4,3);
LCD_write_number(thousand);
  LCD_set_XY(5,3);
LCD_write_number(hundred);
  LCD_set_XY(6,3);
LCD_write_number(ten);
  LCD_set_XY(7,3);
LCD_write_number(unit);
  LCD_set_XY(8,3);
LCD_write_number();
  LCD_set_XY(9,3);
LCD_write_number(shifenwei);
  LCD_set_XY(10,3);
LCD_write_number(baifenwei);
  }
}

作者: canyue000111 时间: 2019-2-17 17:47
但是显示不出来程序有问题吗

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