国产在线精品一区二区不卡顿,老司机无码日韩免费视频

<menu id="8soqi"></menu>

#include <reg52.h>
#define uchar unsigned char
#define uint unsigned int
#include <intrins.h>
sbit RX=P2^1;
sbit TX=P2^0;
unsigned long time=0;
unsigned int timer=0;
unsigned char posit=0;
unsigned long S=0;
unsigned long S0=0;
uchar c[7];
uint temp;// variable of temperature
uint t;
float v;
bit flag1; // sign of the result positive or negative
bit flag =0;
sbit DS=P2^2; //define interface
sbit dula=P2^6;
sbit wela=P2^7;
unsigned char code table[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,
0x07,0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71};
unsigned char code table1[]={0xbf,0x86,0xdb,0xcf,0xe6,0xed,0xfd,
0x87,0xff,0xef};
unsigned char code wei[]={0xfe,0xfd,0xfb,0xf7,0xef,0xdf,0xbf,0x7f};
void delay(uint count) //delay
{
uint i;
while(count)
{
i=200;
while(i>0)
i--;
count--;
}
}
void dsreset(void) //send reset and initialization command
{
uint i;
DS=0;
i=103;
while(i>0)i--;
DS=1;
i=4;
while(i>0)i--;
}
bit tmpreadbit(void) //read a bit
{
uint i;
bit dat;
DS=0;i++; //i++ for delay
DS=1;i++;i++;
dat=DS;
i=8;while(i>0)i--;
return (dat);
}
uchar tmpread(void) //read a byte date
{
uchar i,j,dat;
dat=0;
for(i=1;i<=8;i++)
{
j=tmpreadbit();
dat=(j<<7)|(dat>>1);
}
return(dat);
}
void tmpwritebyte(uchar dat) //write a byte to ds18b20
{
uint i;
uchar j;
bit testb;
for(j=1;j<=8;j++)
{
testb=dat&0x01;
dat=dat>>1;
if(testb) //write 1
{
DS=0;
i++;i++;
DS=1;
i=8;while(i>0)i--;
}
else
{
DS=0; //write 0
i=8;while(i>0)i--;
DS=1;
i++;i++;
}
}
}
void tmpchange(void) //DS18B20 begin change
{
dsreset();
delay(1);
tmpwritebyte(0xcc); // address all drivers on bus
tmpwritebyte(0x44); // initiates a single temperature conversion
}
uint tmp() //get the temperature
{
float tt;
uchar a,b;
dsreset();
delay(1);
tmpwritebyte(0xcc);
tmpwritebyte(0xbe);
a=tmpread();
b=tmpread();
temp=b;
temp<<=8; //two byte compose a int variable
temp=temp|a;
tt=temp*0.0625;
temp=tt*10+0.5;
return temp;
}
/*void zh(uint temp)
{
uchar A1,A2,A2t,A3;
A1=temp/100;
A2t=temp%100;
A2=A2t/10;
A3=A2t%10;
c[0]=table[A1];
c[1]=table1[A2];
c[2]=table[A3];
}*/
void Conut()
{
ime=TH0*256+TL0;
time=time*12/11.0592;
TH0=0;
TL0=0;
v=331.5+0.607*t;
S0=(long)(0.17*time);
S= (long)(time*v/2000); //??????CM
if((S>=4000)||flag==1) //
{
flag=0;
S=0;
//c[4]=0x30;
//c[5]=0x50;
//c[6]=0x50;
// c[7]=0x79;
}
else
{
c[4]=table[S%10000/1000];
c[5]=table[S%1000/100];
c[6]=table1[S%100/10];
c[7]=table[S%10/1];
c[0]=table[S0%10000/1000];
c[1]=table[S0%1000/100];
c[2]=table1[S0%100/10];
c[3]=table[S0%10/1];
}
}
/********************************************************/
void zd3() interrupt 3 //T1
{
TH1=0xf8;
TL1=0x30;
timer++;
if(timer>=100)
{
timer=0;
flag1=1;
}
}
void zd0() interrupt 1
{
flag=1;
}
void hc_sr04()
{
TX=1; //800MS
_nop_();
_nop_();
_nop_();
_nop_();
_nop_();
_nop_();
_nop_();
_nop_();
_nop_();
_nop_();
_nop_();
_nop_();
_nop_();
_nop_();
_nop_();
_nop_();
_nop_();
_nop_();
_nop_();
_nop_();
_nop_();
TX=0;
…………
…………
…………限于本文篇幅余下代碼請從51黑下載附件…………

復(fù)制代碼

<ul id="wywys"></ul>

<menu id="wywys"></menu>