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標(biāo)題: 實(shí)現(xiàn)數(shù)顯油箱程序，大神們幫忙修改修改，跪求！ [打印本頁(yè)]

作者: 楊青木 時(shí)間: 2018-1-4 22:00
標(biāo)題: 實(shí)現(xiàn)數(shù)顯油箱程序，大神們幫忙修改修改，跪求！
#include<reg52.h>
#include<absacc.h>
#include<intrins.h>
typedef unsigned int uint;
typedef unsigned char uchar;
sbit RS=P2^0;
sbit RW=P2^1;
sbit E=P2^2;
sbit BUZZER=P2^3;    //蜂鳴器io口
sbit LR=P2^4;    //剩余油量過(guò)低LED紅燈警告端口
sbit LG=P2^5;    //剩余油量過(guò)高LED綠燈警告端口
sbit EOC=P3^0;
char *t[]={" ","#","##","###","####","#####","######","#######","########","#########","##########"};
unsigned char code Str1[]=" Welcome  !  ";
unsigned char code Str2[]="  Please  wait  ";
void delay_10us(uint n); //10微秒的延時(shí)子程序
void delay_50us(uint n); //50微秒的延時(shí)子程序
void write_com(uchar com); //寫指令函數(shù)
void write_data(uchar dat);//輸入數(shù)據(jù)函數(shù)
void set_xy(uchar x,uchar y);  //設(shè)置顯示位置
void display(uchar x,uchar y,uchar *s); //  顯示一個(gè)字符串函數(shù)
void ADC0808();    //ADC0808轉(zhuǎn)換函數(shù)
void TMOD_Init();    //定時(shí)器初始化函數(shù)
void guodi(); //產(chǎn)生蜂鳴器所需震蕩LED紅
void guogao(); //產(chǎn)生蜂鳴器所需震蕩LED綠
void contrast(x);       //比較函數(shù)
void main()
{
TMOD_Init();       //初始化定時(shí)器
display(0x00, Str1);
display(0x40, Str2);
BUZZER=1;
LR=1;
LG=1;
while(1)
{
  uchar n,x,s[4];
  int i;
  ADC0808();    //不斷地進(jìn)行數(shù)模轉(zhuǎn)化
  contrast(x);
  switch(i)
  {
      case 0:       display(0,1,*t),guodi();
      case 1: display(0,1,*t);
      case 2:       display(0,1,*t);
      case 3:       display(0,1,*t);
      case 4:       display(0,1,*t);
      case 5:       display(0,1,*t);
      case 6:       display(0,1,*t);
      case 7:       display(0,1,*t);
      case 8:       display(0,1,*t);
      case 9:       display(0,1,*t),guogao();
  }
  for(n=0;n<16;n++)
  {
   write_data(s);
  }
}
}
void delay_10us(uint n) //10微秒的延時(shí)子程序
{
  uint i,j;
  for(i=n;i>0;i--)
for(j=2;j>0;j--);
}

void delay_50us(uint n) //50微秒的延時(shí)子程序
{
  uint i,j;
  for(i=n;i>0;i--)
for(j=22;j>0;j--);
}
void TMOD_Init()
{
TMOD=0X01;
TH0=0xfc;
TL0=0x18;
EA=1;
ET0=1;
TR0=0;
}
void write_com(uchar com)//寫指令
{
E=0;
RS=0;
RW=0;
P0=com;
delay_50us(10);
E=1;
delay_50us(20);
E=0;
}
void write_data(uchar dat)//輸入數(shù)據(jù)
{
E=0;
RS=1;
RW=0;
P0=dat; //送數(shù)據(jù)
delay_50us(10);
E=1;
delay_50us(20);
E=0;
}
void init(void)
{
delay_50us(300); //延時(shí)15ms，換算15ms等于300us
write_com(0x38);
delay_50us(100);
write_com(0x38);
delay_50us(100);
write_com(0x38);
write_com(0x38);
write_com(0x08);
write_com(0x01);
write_com(0x06);
write_com(0x0c);
}
void LCD_init(void)       //初始化LCD1602
{
delay_10us(20);
write_com(0x38); //設(shè)置8位格式，2行，5x7
delay_10us(5);
write_com(0x0c); //整體顯示，關(guān)光標(biāo)，不閃爍
delay_10us(5);
write_com(0x06); //設(shè)定輸入方式，增量不移位
delay_10us(5);
write_com(0x01); //清除屏幕顯示
delay_50us(40);
}

void LCD_set_xy(uchar x,uchar y)  //設(shè)置顯示位置
{
  uchar address;
  if(y==1)
  {
address=0x80+x; //第一行位置
  } else {
address=0xc0+x; //第二行位置
  }
delay_10us(5);
write_com(address);
}
void display(uchar x,uchar y,uchar *s) //顯示一個(gè)字符串函數(shù)
{
  set_xy(x,y);
  delay_10us(5);
  while(*s!='\0')
  {
write_data(*s);
s++;
  }
}
void ADC0808()                //adc0808始
{
      uchar  temp;
      uint voldata;
      uchar dispbuf[4];
      while(1)
      {
            do
            {;}
            while(~EOC); //轉(zhuǎn)換是否完成
            temp = ADC0808; //讀出轉(zhuǎn)換結(jié)果
            voldata = temp*1.0/255*1000;
            dispbuf[3] = voldata%10;
            dispbuf[2] = voldata/10%10;
            dispbuf[1] = voldata/100%10;
            dispbuf[0] = voldata/1000;
      }
}                                                       //ADC止
void guodi() //產(chǎn)生蜂鳴器所需震蕩LED紅
{
      BUZZER=~BUZZER;
      LR=~LR;
}
void guogao() //產(chǎn)生蜂鳴器所需震蕩LED綠
{
      BUZZER=~BUZZER;
      LG=~LG;
}
void contrast(x)       //比較函數(shù)
{
      uint i;
      if(0<x<100)i=0;
      else if(100<x<200)i=1;
      else if(200<x,300)i=2;
      else if(300<x<400)i=3;
      else if(400<x<500)i=4;
      else if(500<x<600)i=5;
      else if(600<x<700)i=6;
      else if(700<x<800)i=7;
      else if(800<x<900)i=8;
      else if(900<x<1000)i=9;
}

數(shù)顯油箱.png (70.58 KB, 下載次數(shù): 39)

作者: cjjcjj1 時(shí)間: 2018-1-5 10:36
提示: 作者被禁止或刪除內(nèi)容自動(dòng)屏蔽

作者: 村風(fēng) 時(shí)間: 2018-1-5 10:45
這個(gè)，要考慮油箱里的油位震蕩產(chǎn)生的波動(dòng)問(wèn)題的，不然直接出來(lái)靜態(tài)的結(jié)果用到動(dòng)態(tài)的物體上除了不準(zhǔn)確還會(huì)數(shù)值亂跳，至少，要加阻尼器。

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