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#include <reg52.h>
#include <intrins.h>
#include <stdlib.h>
#define uchar unsigned char
#define uint unsigned int
#define ulong unsigned long
#define AD_data P1
#define LCD_data P0
sbit intr=P3^0; //AD0804
sbit adwr=P3^2; //AD0804寫信號
sbit adrd=P3^1; //AD0804讀信號
sbit LCD_RS=P2^5;//lcd
sbit LCD_RW=P2^6; //lcd
sbit LCD_EN=P2^7; //lcd
sbit s1=P3^3; //按鍵，單程公里清零
sbit scl=P3^6; //24c02
sbit sda=P3^7; //24c02
uchar code dis1[]={"筿潰"};
uchar code dis2[]={"蟲祘"};
uchar code dis3[]={"羆祘"};
uchar code dis4[]={"承禤摟筿笆ó "};
uchar code dis5[]={"."};
uchar code dis6[]={"V"};
uchar code dis7[]={"KM"};
uchar a,b,c,d,e,f,g,y,z;
ulong num,num1;
uint zongcheng,dancheng,zongcheng1,dancheng1;
void delay()
{;;}
void delayms(uint xms) //延時
{
uint i,j;
for(i=xms;i>0;i--)
for(j=110;j>0;j--);
}
void AD_init()//ad0804初始化
{
adwr=1;
adrd=1;
}
void start()//開始
{
sda=1;
delay();
scl=1;
delay();
sda=0;
delay();
}
void stop()//停止
{
sda=0;
delay();
scl=1;
delay();
sda=1;
delay();
}
void respons()//應答
{
uchar i;
scl=1;
delay();
while((sda==1)&&(i<250))i++;
scl=0;
delay();
}
void init()//初始化
{
sda=1;
delay();
scl=1;
delay();
}
void write_byte(uchar date )//寫1字
{
uchar i,temp;
temp=date;
for(i=0;i<8;i++)
{
temp=temp<<1;
scl=0;
delay();
sda=CY;
delay();
scl=1;
delay();
}
scl=0;
delay();
sda=1;
delay();
}
uchar read_byte()//讀1字
{
uchar i,k;
scl=0;
delay();
sda=1;
delay();
for(i=0;i<8;i++)
{
scl=1;
delay();
k=(k<<1)|sda;
scl=0;
delay();
}
return k;
}
void write_add(uchar address,uchar date)//寫字節
{
start();
write_byte(0xa0);
respons();
write_byte(address);
respons();
write_byte(date);
respons();
stop();
}
uchar reda_add(uchar address)//讀字節
{
uchar date;
start();
write_byte(0xa0);
respons();
write_byte(address);
respons();
start();
write_byte(0xa1);
respons();
date=read_byte();
stop();
return date;
}
void write_cmd(uchar cmd)//寫指令到lcd
{
LCD_RS=0;
LCD_RW=0;
LCD_EN=0;
P0=cmd;
delayms(5);
LCD_EN=1;
delayms(5);
LCD_EN=0;
}
void write_dat(uchar dat)//寫顯示數據到lcd
{
LCD_RS=1;
LCD_RW=0;
LCD_EN=0;
P0=dat;
delayms(5);
LCD_EN=1;
delayms(5);
LCD_EN=0;
}
void put_str(char i,char j,unsigned char date) //指針定位；
{
if(i==1)
write_cmd(0x83+j-1);
// else write_cmd(0xc0+j-1);
write_dat('0'+date) ;
}
void ADqd() //ad0808啟動
{
float i=1;
uint j;
uchar ge,shi,bai;
int a[8];
P1=0xff;
intr=1;
adwr=1;
_nop_();
adwr=0;
_nop_();
adwr=1;
while(intr==1);
adrd=1;
_nop_();
adrd=0;
_nop_();
i=P1;
a[0]=P1^0;
a[1]=P1^1;
a[2]=P1^2;
a[3]=P1^3;
a[4]=P1^4;
a[5]=P1^5;
a[6]=P1^6;
a[7]=P1^7;
i=i/255;
i*=6;
i*=100;
j=(int)i;
ge=j%10;
put_str(1,4,ge);
j-=ge;
shi=j/10;
shi=shi%10;
put_str(1,2,shi);
bai=j/100;
put_str(1,1,bai);
for(i=0;i<8;i++);
delayms(10);
adrd=1;
}
void lcd_init()//lcd初始化
{
LCD_RW=0;
write_cmd(0x30);
delayms(5);
write_cmd(0x0c);
delayms(5);
write_cmd(0x06);
delayms(5);
write_cmd(0x01);
delayms(5);
}
void lcd_pos(uchar X,uchar Y)//設定漢字顯示位置
{
uchar pos;
if(X==0)
{X=0x80;}
else if(X==1)
{X=0x90;}
else if(X==2)
{X=0x88;}
else if(X==3)
{X=0x98;}
else if(X==4)
{X=0x85;}
else if(X==5)
{X=0x87;}
else if(X==6)
{X=0x97;}
else if(X==7)
{X=0x8f;}
pos=X+Y;
write_cmd(pos);
}
void main()
{
uchar i;
init();
a=reda_add(1);
delayms(5);
b=reda_add(2);
delayms(5);
c=reda_add(3);
delayms(5);
d=reda_add(4);
delayms(5);
e=reda_add(5);
delayms(5);
f=reda_add(11);
delayms(5);
g=reda_add(12);
delayms(5);
y=reda_add(13);
delayms(5);
z=reda_add(14);
delayms(5);
zongcheng1=(a*10000)+(b*1000)+(c*100)+(d*10)+e;
dancheng1=(f*1000)+(g*100)+(y*10)+z;
TMOD=0X55;//設T0，T1為計數
TL0=0xff;
TH0=0xff;
TL1=0xff;
TH1=0xff;
TR0=1;
TR1=1;
EA=1;
ET0=1;
ET1=1;
lcd_init();
lcd_pos(0,0);
i=0;
while(dis1[i]!='\0')
{
write_dat(dis1[i]);
i++;
}
lcd_pos(1,0);
i=0;
while(dis2[i]!='\0')
{
write_dat(dis2[i]);
i++;
}
lcd_pos(2,0);
i=0;
while(dis3[i]!='\0')
{
write_dat(dis3[i]);
i++;
}
lcd_pos(3,0);
i=0;
while(dis4[i]!='\0')
{
write_dat(dis4[i]);
i++;
}
lcd_pos(4,0);
i=0;
while(dis6[i]!='\0')
{
write_dat(dis5[i]);
i++;
}
lcd_pos(5,0);
i=0;
while(dis6[i]!='\0')
{
write_dat(dis6[i]);
i++;
}
lcd_pos(6,0);
i=0;
while(dis7[i]!='\0')
{
write_dat(dis7[i]);
i++;
}
lcd_pos(7,0);
i=0;
while(dis7[i]!='\0')
{
write_dat(dis7[i]);
i++;
}
while(1)
{
AD_init();
delayms(50);
ADqd();
delayms(50);
zongcheng=num*1.3/1000+zongcheng1;//16寸輪胎周長為130cm
a=zongcheng/10000;
b=zongcheng%10000/1000;
c=zongcheng%1000/100;
d=zongcheng%100/10;
e=zongcheng%10;
put_str(1,8,a);
put_str(1,9,b);
put_str(1,10,c);
put_str(1,11,d);
put_str(1,12,e);
dancheng=num1*1.3/1000+dancheng1;
f=dancheng%10000/1000;
g=dancheng%1000/100;
y=dancheng%100/10;
z=dancheng%10;
put_str(1,17,f);
put_str(1,18,g);
put_str(1,19,y);
put_str(1,20,z);
if(s1==0)
{
dancheng=0;
dancheng1=0;
}
write_add(1,a);
delayms(5);
write_add(2,b);
delayms(5);
write_add(3,c);
delayms(5);
write_add(4,d);
delayms(5);
write_add(5,e);
delayms(5);
write_add(11,f);
delayms(5);
write_add(12,g);
delayms(5);
write_add(13,y);
delayms(5);
write_add(14,z);
delayms(5);
}
}
void T0_time()interrupt 1//總程中斷計數
{
TH0=0xff;
TL0=0xff;
num++;
}
void T1_time()interrupt 3//單程中斷計數
{
TH1=0xff;
TL1=0xff;
num1++;
}

復制代碼

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