1、显示整数
#include <STC15F2K60S2.h>
#include <intrins.h>
//***************定义DS18B24引脚*************
sbit DQ=P1^4;
//****************段码***********************
unsigned char code duanma[18]=
{0xc0,//0
0xcf,//1
0xa4,//2
0xb0,//3
0x99,//4
0x92,//5
0x82,//6
0xf8,//7
0x80,//8
0x90,//9
0x88,//A
0x80,//B
0xc6,//C
0xc0,//D
0x86,//E
0x8e,//F
0xbf,//-
0x7f//.
};
//***************系统初始化****************
void init_system()
{
P2=0XA0;
P0=0X00;
P2=0X80;
P0=0XFF;
P2=0X00;
}
//*****************500us延时**********************
void Delay500us() //@11.0592MHz
{
unsigned char i, j;
_nop_();
_nop_();
i = 6;
j = 93;
do
{
while (--j);
} while (--i);
}
//***********************60us延时************************
void Delay60us() //@11.0592MHz
{
unsigned char i;
_nop_();
_nop_();
i = 163;
while (--i);
}
//**********************1us****************
void Delay1us() //@11.0592MHz
{
_nop_();
_nop_();
_nop_();
}
//**********************DS18B20初始化*************************
void init_ds()
{
unsigned char i;
DQ=1;
DQ=0;
Delay500us();
DQ=1;
while(DQ)
{
i++;
if(i==3)
{
break;
}
Delay500us();
}
Delay500us();
}
//****************写入****************
void write_ds(unsigned char dat)
{
unsigned char i;
for(i=0;i<8;i++)
{
DQ=0;
Delay1us();
DQ=dat&0x01;
dat>>=1;
Delay60us();
DQ=1;
}
}//*******************读**********************
unsigned char read_ds()
{
unsigned char i,temp;
for(i=0;i<8;i++)
{
DQ=0;
temp>>=1;
DQ=1;
Delay1us();
if(DQ)
{
temp|=0x80;
}
Delay60us();
}
return temp;
}
//****************读取温度********************
unsigned char read_t()
{
unsigned char low,high,temper;
init_ds();
write_ds(0xcc);
write_ds(0x44);
init_ds();
write_ds(0xcc);
write_ds(0xbe);
low=read_ds();
high=read_ds();
temper=low>>4;
temper|=high<<4;
return temper;
}
//*********************数码管延时1毫米*****************
void Delay1ms() //@11.0592MHz
{
unsigned char i, j;
_nop_();
_nop_();
_nop_();
i = 11;
j = 190;
do
{
while (--j);
} while (--i);
}
//***********************显示函数*********************
void ds(unsigned char yi,unsigned char er)
{
P2=0XC0;
P0=0X40;
P2=0XE0;
P0=duanma[yi];
Delay1ms();
P2=0XC0;
P0=0X80;
P2=0XE0;
P0=duanma[er];
Delay1ms();
P2=0X00;
}
void main()
{
unsigned char i,j,temper;
init_system();
while(1)
{
temper=read_t();
i=temper/10;//十位
j=temper%10;//个位
ds(i,j);
}
}
2、更改后,显示带小数部分
#include <STC15F2K60S2.h>
#include <intrins.h>
sbit DQ = P1^4; //?????
unsigned short temp;
//****************??***********************
unsigned char code duanma[10]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90};
unsigned char code duanma_dot[10]={0x40,0x79,0x24,0x30,0x19,0x12,0x02,0x78,0x00,0x10};
//***************?????****************
void init_system()
{
P2=0XA0;
P0=0X00;
P2=0X80;
P0=0XFF;
P2=0X00;
}
//???????
void Delay_OneWire(unsigned int t) //STC89C52RC
{
unsigned char i=0;
while(t--)
{
for(i=0;i<12;i++);
}
}
//??????DS18B20?????
void Write_DS18B20(unsigned char dat)
{
unsigned char i;
for(i=0;i<8;i++)
{
DQ = 0;
DQ = dat&0x01;
Delay_OneWire(5);
DQ = 1;
dat >>= 1;
}
Delay_OneWire(5);
}
//?DS18B20??????
unsigned char Read_DS18B20(void)
{
unsigned char i;
unsigned char dat;
for(i=0;i<8;i++)
{
DQ = 0;
dat >>= 1;
DQ = 1;
if(DQ)
{
dat |= 0x80;
}
Delay_OneWire(5);
}
return dat;
}
//DS18B20?????
bit init_ds18b20(void)
{
bit initflag = 0;
DQ = 1;
Delay_OneWire(12);
DQ = 0;
Delay_OneWire(80);
DQ = 1;
Delay_OneWire(10);
initflag = DQ;
Delay_OneWire(5);
return initflag;
}
//void Delay750ms() //@11.0592MHz
//{
// unsigned char i, j, k;
// _nop_();
// _nop_();
// i = 32;
// j = 133;
// k = 87;
// do
// {
// do
// {
// while (--k);
// } while (--j);
// } while (--i);
//}
float rd_temperature(void)
{
unsigned char low,high;
init_ds18b20();
Delay_OneWire(1);
Write_DS18B20(0xcc);
Write_DS18B20(0x44);
//Delay750ms();
init_ds18b20();
Delay_OneWire(1);
Write_DS18B20(0xcc);
Write_DS18B20(0xbe);
low= Read_DS18B20();
high= Read_DS18B20();
//temp=high*256+low;
//return temp*0.0625;
temp=high;
temp=temp<<8;
temp=temp|low;
temp>>=4;
temp=temp*10;
temp=temp+(low&0x0f)*0.625;
return temp;
}
//*********************?????1??*****************
void Delay1ms() //@11.0592MHz
{
unsigned char i, j;
_nop_();
_nop_();
_nop_();
i = 11;
j = 190;
do
{
while (--j);
} while (--i);
}
//***********************????*********************
void ds()
{
P2=0XC0;//com
P0=0X80;//7
P2=0XE0;
P0=duanma[temp%10];
P2=0X00;
Delay1ms();
P2=0XC0;
P0=0X40;//6
P2=0XE0;
P0=duanma_dot[(temp%100)/10];
P2=0X00;
Delay1ms();
P2=0XC0;//com
P0=0X20;//5
P2=0XE0;
P0=duanma[temp/100];
P2=0X00;
Delay1ms();
P2=0XC0;//com
P0=0X10;//4
P2=0XE0;
P0=0xff;
P2=0X00;
Delay1ms();
P2=0XC0;//com
P0=0X08;//3
P2=0XE0;
P0=0xff;
P2=0X00;
Delay1ms();
P2=0XC0;//com
P0=0X04;//2
P2=0XE0;
P0=0xff;
P2=0X00;
Delay1ms();
P2=0XC0;//com
P0=0X02;//1
P2=0XE0;
P0=0xff;
P2=0X00;
Delay1ms();
P2=0XC0;//com
P0=0X01;//0
P2=0XE0;
P0=0xff;
P2=0X00;
Delay1ms();
}
void main()
{
//float temp;
init_system();
while(1)
{
//temp=rd_temperature();
rd_temperature();
//temp=temp*10;
ds();
}
}
或者
#include <STC15F2K60S2.h>
#include <intrins.h>
sbit DQ = P1^4; //?????
unsigned short low,high,temp;
//****************??***********************
unsigned char code duanma[10]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90};
unsigned char code duanma_dot[10]={0x40,0x79,0x24,0x30,0x19,0x12,0x02,0x78,0x00,0x10};
//***************?????****************
void init_system()
{
P2=0XA0;
P0=0X00;
P2=0X80;
P0=0XFF;
P2=0X00;
}
//???????
void Delay_OneWire(unsigned int t) //STC89C52RC
{
unsigned char i=0;
while(t--)
{
for(i=0;i<12;i++);
}
}
//??????DS18B20?????
void Write_DS18B20(unsigned char dat)
{
unsigned char i;
for(i=0;i<8;i++)
{
DQ = 0;
DQ = dat&0x01;
Delay_OneWire(5);
DQ = 1;
dat >>= 1;
}
Delay_OneWire(5);
}
//?DS18B20??????
unsigned char Read_DS18B20(void)
{
unsigned char i;
unsigned char dat;
for(i=0;i<8;i++)
{
DQ = 0;
dat >>= 1;
DQ = 1;
if(DQ)
{
dat |= 0x80;
}
Delay_OneWire(5);
}
return dat;
}
//DS18B20?????
bit init_ds18b20(void)
{
bit initflag = 0;
DQ = 1;
Delay_OneWire(12);
DQ = 0;
Delay_OneWire(80);
DQ = 1;
Delay_OneWire(10);
initflag = DQ;
Delay_OneWire(5);
return initflag;
}
//void Delay750ms() //@11.0592MHz
//{
// unsigned char i, j, k;
// _nop_();
// _nop_();
// i = 32;
// j = 133;
// k = 87;
// do
// {
// do
// {
// while (--k);
// } while (--j);
// } while (--i);
//}
float rd_temperature(void)
{
//unsigned char low,high;
init_ds18b20();
Delay_OneWire(1);
Write_DS18B20(0xcc);
Write_DS18B20(0x44);
//Delay750ms();
init_ds18b20();
Delay_OneWire(1);
Write_DS18B20(0xcc);
Write_DS18B20(0xbe);
low= Read_DS18B20();
high= Read_DS18B20();
temp=high*256+low;
//return temp*0.0625;
//temp=high*256+low*0.0625;
// temp=high;
// temp=temp<<8;
// temp=temp|low;
//
temp>>=4;
temp=temp*10;
temp=temp+(low&0x0f)*0.625;
return temp;
}
//*********************?????1??*****************
void Delay1ms() //@11.0592MHz
{
unsigned char i, j;
_nop_();
_nop_();
_nop_();
i = 11;
j = 190;
do
{
while (--j);
} while (--i);
}
//***********************????*********************
void ds()
{
P2=0XC0;//com
P0=0X80;//7
P2=0XE0;
P0=duanma[temp%10];
P2=0X00;
Delay1ms();
P2=0XC0;
P0=0X40;//6
P2=0XE0;
P0=duanma_dot[(temp%100)/10];
P2=0X00;
Delay1ms();
P2=0XC0;//com
P0=0X20;//5
P2=0XE0;
P0=duanma[temp/100];
P2=0X00;
Delay1ms();
P2=0XC0;//com
P0=0X10;//4
P2=0XE0;
P0=0xff;
P2=0X00;
Delay1ms();
P2=0XC0;//com
P0=0X08;//3
P2=0XE0;
P0=0xff;
P2=0X00;
Delay1ms();
P2=0XC0;//com
P0=0X04;//2
P2=0XE0;
P0=0xff;
P2=0X00;
Delay1ms();
P2=0XC0;//com
P0=0X02;//1
P2=0XE0;
P0=0xff;
P2=0X00;
Delay1ms();
P2=0XC0;//com
P0=0X01;//0
P2=0XE0;
P0=0xff;
P2=0X00;
Delay1ms();
}
void main()
{
//float temp;
init_system();
while(1)
{
//temp=rd_temperature();
rd_temperature();
//temp=temp*10;
ds();
}
}
版权声明:本文为CSDN博主「是会一条路走到黑的呀」的原创文章,遵循CC 4.0 BY-SA版权协议,转载请附上原文出处链接及本声明。
原文链接:https://blog.csdn.net/qq_55546571/article/details/122970142
1、显示整数
#include <STC15F2K60S2.h>
#include <intrins.h>
//***************定义DS18B24引脚*************
sbit DQ=P1^4;
//****************段码***********************
unsigned char code duanma[18]=
{0xc0,//0
0xcf,//1
0xa4,//2
0xb0,//3
0x99,//4
0x92,//5
0x82,//6
0xf8,//7
0x80,//8
0x90,//9
0x88,//A
0x80,//B
0xc6,//C
0xc0,//D
0x86,//E
0x8e,//F
0xbf,//-
0x7f//.
};
//***************系统初始化****************
void init_system()
{
P2=0XA0;
P0=0X00;
P2=0X80;
P0=0XFF;
P2=0X00;
}
//*****************500us延时**********************
void Delay500us() //@11.0592MHz
{
unsigned char i, j;
_nop_();
_nop_();
i = 6;
j = 93;
do
{
while (--j);
} while (--i);
}
//***********************60us延时************************
void Delay60us() //@11.0592MHz
{
unsigned char i;
_nop_();
_nop_();
i = 163;
while (--i);
}
//**********************1us****************
void Delay1us() //@11.0592MHz
{
_nop_();
_nop_();
_nop_();
}
//**********************DS18B20初始化*************************
void init_ds()
{
unsigned char i;
DQ=1;
DQ=0;
Delay500us();
DQ=1;
while(DQ)
{
i++;
if(i==3)
{
break;
}
Delay500us();
}
Delay500us();
}
//****************写入****************
void write_ds(unsigned char dat)
{
unsigned char i;
for(i=0;i<8;i++)
{
DQ=0;
Delay1us();
DQ=dat&0x01;
dat>>=1;
Delay60us();
DQ=1;
}
}//*******************读**********************
unsigned char read_ds()
{
unsigned char i,temp;
for(i=0;i<8;i++)
{
DQ=0;
temp>>=1;
DQ=1;
Delay1us();
if(DQ)
{
temp|=0x80;
}
Delay60us();
}
return temp;
}
//****************读取温度********************
unsigned char read_t()
{
unsigned char low,high,temper;
init_ds();
write_ds(0xcc);
write_ds(0x44);
init_ds();
write_ds(0xcc);
write_ds(0xbe);
low=read_ds();
high=read_ds();
temper=low>>4;
temper|=high<<4;
return temper;
}
//*********************数码管延时1毫米*****************
void Delay1ms() //@11.0592MHz
{
unsigned char i, j;
_nop_();
_nop_();
_nop_();
i = 11;
j = 190;
do
{
while (--j);
} while (--i);
}
//***********************显示函数*********************
void ds(unsigned char yi,unsigned char er)
{
P2=0XC0;
P0=0X40;
P2=0XE0;
P0=duanma[yi];
Delay1ms();
P2=0XC0;
P0=0X80;
P2=0XE0;
P0=duanma[er];
Delay1ms();
P2=0X00;
}
void main()
{
unsigned char i,j,temper;
init_system();
while(1)
{
temper=read_t();
i=temper/10;//十位
j=temper%10;//个位
ds(i,j);
}
}
2、更改后,显示带小数部分
#include <STC15F2K60S2.h>
#include <intrins.h>
sbit DQ = P1^4; //?????
unsigned short temp;
//****************??***********************
unsigned char code duanma[10]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90};
unsigned char code duanma_dot[10]={0x40,0x79,0x24,0x30,0x19,0x12,0x02,0x78,0x00,0x10};
//***************?????****************
void init_system()
{
P2=0XA0;
P0=0X00;
P2=0X80;
P0=0XFF;
P2=0X00;
}
//???????
void Delay_OneWire(unsigned int t) //STC89C52RC
{
unsigned char i=0;
while(t--)
{
for(i=0;i<12;i++);
}
}
//??????DS18B20?????
void Write_DS18B20(unsigned char dat)
{
unsigned char i;
for(i=0;i<8;i++)
{
DQ = 0;
DQ = dat&0x01;
Delay_OneWire(5);
DQ = 1;
dat >>= 1;
}
Delay_OneWire(5);
}
//?DS18B20??????
unsigned char Read_DS18B20(void)
{
unsigned char i;
unsigned char dat;
for(i=0;i<8;i++)
{
DQ = 0;
dat >>= 1;
DQ = 1;
if(DQ)
{
dat |= 0x80;
}
Delay_OneWire(5);
}
return dat;
}
//DS18B20?????
bit init_ds18b20(void)
{
bit initflag = 0;
DQ = 1;
Delay_OneWire(12);
DQ = 0;
Delay_OneWire(80);
DQ = 1;
Delay_OneWire(10);
initflag = DQ;
Delay_OneWire(5);
return initflag;
}
//void Delay750ms() //@11.0592MHz
//{
// unsigned char i, j, k;
// _nop_();
// _nop_();
// i = 32;
// j = 133;
// k = 87;
// do
// {
// do
// {
// while (--k);
// } while (--j);
// } while (--i);
//}
float rd_temperature(void)
{
unsigned char low,high;
init_ds18b20();
Delay_OneWire(1);
Write_DS18B20(0xcc);
Write_DS18B20(0x44);
//Delay750ms();
init_ds18b20();
Delay_OneWire(1);
Write_DS18B20(0xcc);
Write_DS18B20(0xbe);
low= Read_DS18B20();
high= Read_DS18B20();
//temp=high*256+low;
//return temp*0.0625;
temp=high;
temp=temp<<8;
temp=temp|low;
temp>>=4;
temp=temp*10;
temp=temp+(low&0x0f)*0.625;
return temp;
}
//*********************?????1??*****************
void Delay1ms() //@11.0592MHz
{
unsigned char i, j;
_nop_();
_nop_();
_nop_();
i = 11;
j = 190;
do
{
while (--j);
} while (--i);
}
//***********************????*********************
void ds()
{
P2=0XC0;//com
P0=0X80;//7
P2=0XE0;
P0=duanma[temp%10];
P2=0X00;
Delay1ms();
P2=0XC0;
P0=0X40;//6
P2=0XE0;
P0=duanma_dot[(temp%100)/10];
P2=0X00;
Delay1ms();
P2=0XC0;//com
P0=0X20;//5
P2=0XE0;
P0=duanma[temp/100];
P2=0X00;
Delay1ms();
P2=0XC0;//com
P0=0X10;//4
P2=0XE0;
P0=0xff;
P2=0X00;
Delay1ms();
P2=0XC0;//com
P0=0X08;//3
P2=0XE0;
P0=0xff;
P2=0X00;
Delay1ms();
P2=0XC0;//com
P0=0X04;//2
P2=0XE0;
P0=0xff;
P2=0X00;
Delay1ms();
P2=0XC0;//com
P0=0X02;//1
P2=0XE0;
P0=0xff;
P2=0X00;
Delay1ms();
P2=0XC0;//com
P0=0X01;//0
P2=0XE0;
P0=0xff;
P2=0X00;
Delay1ms();
}
void main()
{
//float temp;
init_system();
while(1)
{
//temp=rd_temperature();
rd_temperature();
//temp=temp*10;
ds();
}
}
或者
#include <STC15F2K60S2.h>
#include <intrins.h>
sbit DQ = P1^4; //?????
unsigned short low,high,temp;
//****************??***********************
unsigned char code duanma[10]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90};
unsigned char code duanma_dot[10]={0x40,0x79,0x24,0x30,0x19,0x12,0x02,0x78,0x00,0x10};
//***************?????****************
void init_system()
{
P2=0XA0;
P0=0X00;
P2=0X80;
P0=0XFF;
P2=0X00;
}
//???????
void Delay_OneWire(unsigned int t) //STC89C52RC
{
unsigned char i=0;
while(t--)
{
for(i=0;i<12;i++);
}
}
//??????DS18B20?????
void Write_DS18B20(unsigned char dat)
{
unsigned char i;
for(i=0;i<8;i++)
{
DQ = 0;
DQ = dat&0x01;
Delay_OneWire(5);
DQ = 1;
dat >>= 1;
}
Delay_OneWire(5);
}
//?DS18B20??????
unsigned char Read_DS18B20(void)
{
unsigned char i;
unsigned char dat;
for(i=0;i<8;i++)
{
DQ = 0;
dat >>= 1;
DQ = 1;
if(DQ)
{
dat |= 0x80;
}
Delay_OneWire(5);
}
return dat;
}
//DS18B20?????
bit init_ds18b20(void)
{
bit initflag = 0;
DQ = 1;
Delay_OneWire(12);
DQ = 0;
Delay_OneWire(80);
DQ = 1;
Delay_OneWire(10);
initflag = DQ;
Delay_OneWire(5);
return initflag;
}
//void Delay750ms() //@11.0592MHz
//{
// unsigned char i, j, k;
// _nop_();
// _nop_();
// i = 32;
// j = 133;
// k = 87;
// do
// {
// do
// {
// while (--k);
// } while (--j);
// } while (--i);
//}
float rd_temperature(void)
{
//unsigned char low,high;
init_ds18b20();
Delay_OneWire(1);
Write_DS18B20(0xcc);
Write_DS18B20(0x44);
//Delay750ms();
init_ds18b20();
Delay_OneWire(1);
Write_DS18B20(0xcc);
Write_DS18B20(0xbe);
low= Read_DS18B20();
high= Read_DS18B20();
temp=high*256+low;
//return temp*0.0625;
//temp=high*256+low*0.0625;
// temp=high;
// temp=temp<<8;
// temp=temp|low;
//
temp>>=4;
temp=temp*10;
temp=temp+(low&0x0f)*0.625;
return temp;
}
//*********************?????1??*****************
void Delay1ms() //@11.0592MHz
{
unsigned char i, j;
_nop_();
_nop_();
_nop_();
i = 11;
j = 190;
do
{
while (--j);
} while (--i);
}
//***********************????*********************
void ds()
{
P2=0XC0;//com
P0=0X80;//7
P2=0XE0;
P0=duanma[temp%10];
P2=0X00;
Delay1ms();
P2=0XC0;
P0=0X40;//6
P2=0XE0;
P0=duanma_dot[(temp%100)/10];
P2=0X00;
Delay1ms();
P2=0XC0;//com
P0=0X20;//5
P2=0XE0;
P0=duanma[temp/100];
P2=0X00;
Delay1ms();
P2=0XC0;//com
P0=0X10;//4
P2=0XE0;
P0=0xff;
P2=0X00;
Delay1ms();
P2=0XC0;//com
P0=0X08;//3
P2=0XE0;
P0=0xff;
P2=0X00;
Delay1ms();
P2=0XC0;//com
P0=0X04;//2
P2=0XE0;
P0=0xff;
P2=0X00;
Delay1ms();
P2=0XC0;//com
P0=0X02;//1
P2=0XE0;
P0=0xff;
P2=0X00;
Delay1ms();
P2=0XC0;//com
P0=0X01;//0
P2=0XE0;
P0=0xff;
P2=0X00;
Delay1ms();
}
void main()
{
//float temp;
init_system();
while(1)
{
//temp=rd_temperature();
rd_temperature();
//temp=temp*10;
ds();
}
}
版权声明:本文为CSDN博主「是会一条路走到黑的呀」的原创文章,遵循CC 4.0 BY-SA版权协议,转载请附上原文出处链接及本声明。
原文链接:https://blog.csdn.net/qq_55546571/article/details/122970142
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