📄 1.c
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#include <reg51.H>
#include<intrins.h>
//-----------------------------------------------------------------------
#define uchar unsigned char
#define uint unsigned int
#define DATAPORT P0 //data port !!!!!!!!!!
#define busy 0x80 //用于检查写忙信号
//----------液晶端口-------
sbit RS=P1^0; //h data
sbit RW=P1^1;
sbit Elcm=P1^2;
//----------------------按键端口------------
sbit P2_0=P2^0;
sbit P2_1=P2^1;
sbit P2_2=P2^2;
sbit P2_3=P2^3;
sbit P2_4=P2^4; //继电器端口
sbit P3_2=P3^2; //红外端口
sbit DQ=P3^7; //DS18B20
//-----------------A/D端口定义------------
sbit Ioclk=P2^6;
sbit dataout=P2^7;
sbit cs=P2^5;
char Data;
bit ON_OFF;
uchar Dis_Buff0[16],Dis_Buff1[16]; //显示缓存区
int temp1,temp2,deda,cnt,min,sec,hour,set=0,T=28;
//-----------------------外部函数----------------------------------------
void Init_Lcd12232F(void);
void Cls(unsigned char y);
void DispChar(unsigned char x,unsigned char y,char dataW);
void DispString(unsigned char x,unsigned char y,unsigned char *ptr);
void DispChinese(unsigned char x,unsigned char y,unsigned char *ptr);
void DispNumb(unsigned char x,unsigned char y,unsigned int n);//显示一组数字"1234"
//-----------------------------------------------------------------------
//-----------------------内部函数----------------------------------------
void delay5ms(void);
void delay(unsigned int n);
void WaitForEnable( void );
void LcdWrite_C( unsigned char CMD,unsigned char AttribC );
void LcdWrite_D( char dataW );
void Refresh(unsigned char y);
void set_adj(void);
void inc_key(void);
void dec_key(void);
void key(void);
void ji(void);
//-----------------------------------------------------------------------
//----------------------具体子函数---------------------------------------
// -----------------------------------------短延时
void Delay1us(int i)
{
while(i--);
}
Init_DS18B20(void)
{
unsigned char x=0;
DQ = 1; //DQ复位
Delay1us(8); //稍做延时
DQ = 0; //单片机将DQ拉低
Delay1us(80); //精确延时 大于 480us
DQ = 1; //拉高总线
Delay1us(14);
x=DQ; //稍做延时后 如果x=0则初始化成功 x=1则初始化失败
Delay1us(20);
}
/**读一个字节**/
ReadOneChar(void)
{
unsigned char i=0;
unsigned char dat = 0;
for (i=8;i>0;i--)
{
DQ = 0; // 给脉冲信号
dat>>=1;
DQ = 1; // 给脉冲信号
if(DQ)
dat|=0x80;
Delay1us(4);
}
return(dat);
}
//写一个字节
WriteOneChar(unsigned char dat)
{
unsigned char i=0;
for (i=8; i>0; i--)
{
DQ = 0;
DQ = dat&0x01;
Delay1us(5);
DQ = 1;
dat>>=1;
}
//delay(4);
}
//读取温度
ReadTemperature(void)
{
unsigned char a=0;
unsigned char b=0;
unsigned int t=0;
float tt=0;
Init_DS18B20();
WriteOneChar(0xCC); // 跳过读序号列号的操作
WriteOneChar(0x44); // 启动温度转换
Init_DS18B20();
WriteOneChar(0xCC); //跳过读序号列号的操作
WriteOneChar(0xBE); //读取温度寄存器等（共可读9个寄存器） 前两个就是温度
a=ReadOneChar();
b=ReadOneChar();
temp1=b<<4; //高8位中后三位数的值
temp1+=(a&0xf0)>>4; //低8位中的高4位值加上高8位中后三位数的值 temp1室温整数值
temp2=a&0x0f;
temp2=temp2*0.0625*10;
}
void delay5ms(void)
{ unsigned int i = 5552;
while(i--);
}
//*********************************************//
// delay nearly n*0.05s ;;n=20->1s //
//********************************************//
void delay(unsigned int n)
{ unsigned int i;
for(;n>0;n--)
{ for(i=0;i<10000; i++); }
}
//****************************************************
/*=======================================================
正常读写操作之前必须检测LCD控制器状态: CS=1 RS=0 RW=1
DB7: 0 LCD控制器空闲; 1 LCD控制器忙
========================================================*/
void WaitForEnable( void )
{ DATAPORT = 0xff;
RS =0; RW = 1; _nop_(); Elcm = 1; _nop_(); _nop_();
while( DATAPORT&busy );
Elcm = 0;
}
/*=======================================================
写控制command子程序: E=1 RS=0 RW=0 h read
=======================================================*/
void LcdWrite_C( unsigned char CMD,unsigned char AttribC )
{ if (AttribC) WaitForEnable(); // 检测忙信号?
RS = 0; RW = 0; _nop_();
DATAPORT =CMD; _nop_(); // 送控制字子程序
Elcm = 1;_nop_();_nop_();Elcm = 0; // 操作允许脉冲信号
}
/*=======================================================
当前位置写字符子程序: E =1 RS=1 RW=0
=======================================================*/
void LcdWrite_D( char dataW )
{ WaitForEnable(); // 检测忙信号
RS = 1; RW = 0; _nop_();
DATAPORT = dataW; _nop_();
Elcm = 1; _nop_(); _nop_(); Elcm = 0; // 操作允许脉冲信号
}
/*=======================================================
当前位置读字符子程序: E =1 RS=1 RW=1
=======================================================*/
unsigned char LcdRead_D(void)
{ unsigned char dataR;
WaitForEnable(); // 检测忙信号
RS = 1; RW = 1; _nop_();
DATAPORT=0xff;//把DATAPORT置为高电平，只有置为高电平才能正确读入数据
Elcm = 1; _nop_(); _nop_();_nop_();
dataR = DATAPORT; _nop_();
Elcm = 0; // 操作允许脉冲信号
return dataR;
}
//****************************************************
void Init_Lcd12232F(void)
{ LcdWrite_C(0x30,0); //功能设定，8位数据，基本指令方式
delay5ms();
LcdWrite_C(0x30,0);
delay5ms();
LcdWrite_C(0x30,0);
delay5ms();
LcdWrite_C(0x01,1); //清除显示
LcdWrite_C(0x02,1); //地址归位
LcdWrite_C(0x06,1); //点设定
LcdWrite_C(0x0c,1); //0c整体显示开，0e游标开，0f游标位置反白允许
LcdWrite_C(0x40,1); //设定CGRAM地址
delay(1);//for no warning
}
/*=======================================================
显示刷新
========================================================*/
void Refresh(unsigned char y)
{ unsigned char i,j,pos=0;//pos=0!!!
if(y) pos|=0x10;
pos|=0x80;
for(i=0;i<8;i++)
{ LcdWrite_C(pos,1);
for(j=0;j<2;j++)
{ WaitForEnable();
if(y==0) LcdWrite_D(Dis_Buff0[i*2+j]);
else LcdWrite_D(Dis_Buff1[i*2+j]);
}
pos++;
}
}
/*=======================================================
按指定位置显示一个字符
=======================================================*/
void DispChar(unsigned char x,unsigned char y,unsigned char dataW)
{ if(y==0) Dis_Buff0[x]=dataW;
else Dis_Buff1[x]=dataW;
Refresh(y);
}
/*=======================================================
按指定位置显示一串字符
=======================================================*/
void DispString(unsigned char x,unsigned char y, unsigned char *ptr)
{ unsigned char i,len=0;//len=0!!!!!!!!
while (ptr[len]>31){len++;};//取得要显示的个数
for(i=0;i<len;i++) DispChar(x+i,y,*ptr++);
}
/*=======================================================
按指定位置显示中文字符串（x必须偶对齐取值为0~7）
=======================================================*/
void DispChinese(unsigned char x,unsigned char y,unsigned char *ptr)
{ unsigned char i,len=0;//len=0!!!!!!!!
while (ptr[len]>31){len++;};//取得要显示的个数
for(i=0;i<len;i++)
{
if(y==0) Dis_Buff0[x*2+i]=*ptr++;
else Dis_Buff1[x*2+i]=*ptr++;
}
Refresh(y);
}
/*=======================================================
按指定位置显示一个数字表(4位BCD码)
=======================================================*/
unsigned char code number[]="0123456789";//for dis table
void DispNumb(unsigned char x,unsigned char y,int n)
{ unsigned char digi[4];
unsigned char i;
digi[0]=n/1000;n=n-digi[0]*1000;
digi[1]=n/100;n=n-digi[1]*100;
digi[2]=n/10;n=n-digi[2]*10;
digi[3]=n;
for(i=0;i<4;i++) DispChar(x+i,y,number[(digi[i])]);
}
/*=======================================================
清屏（y=0->上半屏;y=1->下半屏）
=======================================================*/
void Cls(unsigned char y)
{ unsigned char i;
for(i=0;i<16;i++)
{ if(y==0) Dis_Buff0[i]=' ';
else Dis_Buff1[i]=' ';
}
Refresh(y);
}
void init_timer(void)
{
TMOD=0x21;
TH0=-(50235/256);
TL0=-(50235%256);
TR0=1;
ET0=1;
TH1 = 0xFD; //11.0592M
TL1 = 0xFD;
PCON&=0x80;
TR1 = 1;
ET1 = 1;
SCON = 0x40; //串口方式
REN = 1;
PT1 = 0;
PT0 = 1;
EA = 1;
}
void time() interrupt 1 using 1//定时器T0中断子函数
{
TH0=-(50235/256);
TL0=-(50235%256);
deda++;
if(deda>=20){sec++;deda=0;}
if(sec>=60){min++;sec=0;}
if(min>=60){hour++;min=0;}
if(hour>=24){hour=0;}
}
// A/D转换程序
void change()
{
uchar tmp,count,i;
tmp=0;
cs=1;
Ioclk=0;
cs=0;
cs=0;
for(count=0;count<8;count++)
{Ioclk=1;
if(dataout)
tmp++;
tmp=tmp<<1;
Ioclk=0;
}
cs=1;
Data=tmp;
for(i=0;i<3;i++)
{;}
}
//--------串口--------
void delayms(uint t)
{
uint i;
while(t--)
{
/* 对于11.0592M时钟，约延时1ms */
for (i=0;i<125;i++)
{;}
}
}
//-----------------发送数据------------------------------------
void SendData(uchar Dat)
{
uchar i=0;
SBUF = Dat;
while (1)
{
if(TI)
{
TI=0;
break;
}
}
}
//---------------调时调温函数-------
void key()
{
P2_0=1;
P2_1=1;
P2_2=1;
P2_3=1;
{
if(P2_0==0)
{
delay(3);
if(P2_0==0)
{
hour++;
if(hour>=24)
hour=0;
}
}
if(P2_1==0)
{
delay(3);
if(P2_1==0)
{
min++;
if(min>=60)
min=0;
}
}
if(P2_2==0)
{
delay(3);
if(P2_2==0)
{
T++;
if(T>=35)
T=20;
}
}
}
DispChar(7,0,hour/10+0x30);
DispChar(8,0,hour%10+0x30);
DispChar(10,0,min/10+0x30);
DispChar(11,0,min%10+0x30);
DispChar(13,0,sec/10+0x30);
DispChar(14,0,sec%10+0x30);
DispChar(11,1,T/10+0x30);
DispChar(12,1,T%10+0x30);
}
void ji()
{
P2_0=1;
P2_1=1;
P2_2=1;
P2_3=1;
{
if(P2_0==0)
{
delay(3);
if(P2_0==0)
{
hour++;
if(hour>=24)
hour=0;
}
}
if(P2_1==0)
{
delay(3);
if(P2_1==0)
{
min++;
if(min>=60)
min=0;
}
}
if(P2_2==0)
{
delay(3);
if(P2_2==0)
{
T++;
if(T>=40)
T=20;
}
}
}
DispChar(7,0,hour/10+0x30);
DispChar(8,0,hour%10+0x30);
DispChar(10,0,min/10+0x30);
DispChar(11,0,min%10+0x30);
DispChar(13,0,sec/10+0x30);
DispChar(14,0,sec%10+0x30);
}
//-------------------end LCD12232F.H-----------------------------------------
void main(void)
{ int a,b,k;b=0;
P2_4=0;
Init_Lcd12232F();
init_timer();
delay(10);
Cls(0);
Cls(1);
DispChinese(0,0,"时间为:");
DispString(9,0,": :");
while(1)
{
change(); //接收A/D转换的数据函数
//if((Data-b)>=5&&(b-Data)>=5)
{ b=Data;
TR1 = 1;
SendData(b);//发送函数
}
P3_2=1;
ReadTemperature();
if(P3_2==0&&temp1>=T)
{
P2_4=1;
P2_3=1;
if(P2_3==0)
{
delay(3);
if(P2_3==0)
{
DispChinese(0,1,"温度设定为: C ");
for(a=0;a<400;a++)
key();
}
}
else
{
DispChinese(0,1,"目前温度是");
for(a=0;a<1;a++)
{
ji();
ReadTemperature();
k=temp1/10;
a=temp1%10;
b=temp2;
DispChar(10,1,k+0x30);
DispChar(11,1,a+0x30);
DispString(12,1,". C");
DispChar(13,1,b+0x30);
delay(3);
}
}
}
else
{
P2_4=0;
P2_3=1;
if(P2_3==0)
{
delay(3);
if(P2_3==0)
{ DispChinese(0,1,"温度设定为: C ");
for(a=0;a<400;a++)
key();
}
}
else
{
DispChinese(0,1,"目前温度是");
for(a=0;a<1;a++)
{
ji();
ReadTemperature();
k=temp1/10;
a=temp1%10;
b=temp2;
DispChar(10,1,k+0x30);
DispChar(11,1,a+0x30);
DispString(12,1,". C");
DispChar(13,1,b+0x30);
delay(3);
}
}
}
}
}
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