12864 ds1302時間和ds18b20溫度仿真圖+源程序

ID:263655 · 發表于 2018-5-30 23:14

12864液晶ds1302時間和ds18b20溫度程序仿真原理圖如下（proteus仿真工程文件可到本帖附件中下載）

單片機源程序如下:

#include <reg51.h>
#include <ds18b20.h>
#include <word.h>
#include <12864display.h>
#include <ds1302.h>
//聲明外部溫度讀數數組
extern unsigned char data temperature[2];
//聲明外部高低溫報警
extern char Alarm_Temp_HL[2];
//存放分解的7個ASCII碼溫度數據
unsigned char temp[7];
bit HI_Alarm = 0,LO_Alarm = 0; //高溫低溫報警標志位
sbit HI_LED = P1^4; //高溫報警燈
sbit LO_LED = P1^5; //低溫報警燈
sbit BUZZER = P2^6; //喇叭
sbit button = P1^0; //按鈕切換顯示
sbit button_shi=P1^1; //調節時
sbit button_fen=P1^2; //分
sbit button_miao=P1^3; //秒
sbit button_year=P1^6; //年
sbit button_month=P1^7; //月
sbit button_day=P3^0; //日
sbit button_week=P3^7; //星期
//按鈕的7個變量
unsigned char count1,count2,count3,count4,count5,count6,count7;
//根據輸入的tem在12864的第1行的pos位置顯示相應的0~9
void trans(unsigned char hang,unsigned char tem,unsigned int pos)
{
switch(tem)
{
case '0':vShowOneChar(hang,pos,uca_0);break;
case '1':vShowOneChar(hang,pos,uca_1);break;
case '2':vShowOneChar(hang,pos,uca_2);break;
case '3':vShowOneChar(hang,pos,uca_3);break;
case '4':vShowOneChar(hang,pos,uca_4);break;
case '5':vShowOneChar(hang,pos,uca_5);break;
case '6':vShowOneChar(hang,pos,uca_6);break;
case '7':vShowOneChar(hang,pos,uca_7);break;
case '8':vShowOneChar(hang,pos,uca_8);break;
case '9':vShowOneChar(hang,pos,uca_9);break;
default:break;
}
}
//l2864顯示
void display()
{
unsigned char temp_data,temp_data2;
unsigned int TempDec; //用來存放4位小數
temp_data = temperature[1]&0xf8;//取高5位
if (temp_data==0xf8) //負溫度讀數
{
temperature[0]=~temperature[0]+1;
temperature[1]=~temperature[1];
if (temperature[0]==0x00)
temperature[1]++;
temp_data = (temperature[1]&0x07)<<4; //取高字節低3位(溫度讀數高3位)
temp_data2 = (temperature[0]&0xf0)>>4; //取低字節高4位(溫度讀數低4位)
temp_data= temp_data|temp_data2; //組合成完整數據
if(temp_data>=Alarm_Temp_HL[1])
{
TF0=1;
LO_Alarm=1;
HI_Alarm=0;
}
else
{
TF0=1;
LO_Alarm=0;
HI_Alarm=0;
}
vShowOneChar(0,40,uca_fu);
}
else
{
temp_data = (temperature[1]&0x07)<<4; //取高字節低3位(溫度讀數高3位)
temp_data2 = (temperature[0]&0xf0)>>4; //取低字節高4位(溫度讀數低4位)
temp_data= temp_data|temp_data2; //組合成完整數據
if(temp_data>=Alarm_Temp_HL[0])
{
TF0=1;
HI_Alarm=1;
LO_Alarm=0;
}
else
{
TF0=1;
HI_Alarm=0;
LO_Alarm=0;
}
vShowOneChar(0,40,uca_zheng);
}
temp[0] = temp_data/100+0x30; //取百位轉換為ASCII碼
temp[1] = (temp_data%100)/10+0x30; //取十位轉換為ASCII碼
temp[2] = (temp_data%100)%10+0x30; //取個位轉換為ASCII碼
temperature[0]&=0x0f; //取小數位轉換為ASCII碼
TempDec = (temperature[0]*0.0625)*10000;//小數部分,擴大1萬倍，1/16,最低分辨率取四位小數
temp[3] = TempDec/1000+0x30; //取小數個位轉換為ASCII碼
temp[4] = (TempDec%1000)/100+0x30; //取小數十位轉換為ASCII碼
temp[5] = ((TempDec%1000)%100)/10+0x30;//取小數百位轉換為ASCII碼
temp[6] = ((TempDec%1000)%100)%10+0x30;//取小數千位轉換為ASCII碼
trans(0,temp[0],48);
trans(0,temp[1],56);
trans(0,temp[2],64);
vShowOneChar(0,72,uca_dian); //小數點
trans(0,temp[3],80);
trans(0,temp[4],88);
trans(0,temp[5],96);
trans(0,temp[6],104);
}
//中斷，溫度過高過低對應的燈亮
void T0_INT() interrupt 1
{
TF0=0;
if(HI_Alarm)
{
HI_LED=0;
BUZZER=1;
}
else
{
HI_LED=1;
}
if(LO_Alarm)
{
LO_LED=0;
BUZZER=1;
}
else
{
LO_LED=1;
}
}
void show_time(unsigned char time,unsigned char hang,unsigned char pos1,unsigned char pos2)
{
unsigned char i,j;
i=time/10+0x30;
j=time%10+0x30;
trans(hang,i,pos1);
trans(hang,j,pos2);
}
//主函數
void main()
{
unsigned char shi,fen,miao,year,month,day,week;
DS1820_Reset();//DS1820初始化
Set_Alarm_Temp_Value();
IE=0x82;TMOD=0x02; //開中斷
vLCDInitialize();
delay100us();
while(button==1)
{
vShowOneChin(6,16,uca_kb);
vShowOneChin(6,32,uca_kb);
vShowOneChin(6,80,uca_kb);
vShowOneChin(6,96,uca_kb);
vShowOneChin(4,32,uca_kb);
vShowOneChin(4,48,uca_kb);
vShowOneChin(4,64,uca_kb);
vShowOneChin(4,80,uca_kb);
vShowOneChin(4,16,uca_kb);
vShowOneChin(4,96,uca_kb);
vShowOneChin(2,32,uca_kb);
vShowOneChin(2,48,uca_kb);
vShowOneChin(2,64,uca_kb);
vShowOneChin(2,80,uca_kb);
vShowOneChin(0,0,uca_wen);
vShowOneChin(0,16,uca_du);
vShowOneChar(0,32,uca_mh);
vShowOneChar(0,112,uca_o);
vShowOneChar(0,120,uca_C);
read_temp(); //讀取溫度值
delay100us();
display(); //顯示溫度值
delay100us();
BUZZER=0;
}
while(button==0)
{
//判斷按鍵
if(button_shi==0)
{
while(button_shi==0);
count1++;
}
if(button_fen==0)
{
while(button_fen==0);
count2++;
}
if(button_miao==0)
{
while(button_miao==0);
count3++;
}
if(button_year==0)
{
while(button_year==0);
count4++;
}
if(button_month==0)
{
while(button_month==0);
count5++;
}
if(button_day==0)
{
while(button_day==0);
count6++;
}
if(button_week==0)
{
while(button_week==0);
count7++;
}
shi=ReadSet1302(0x85);
shi=((shi&0x70)>>4)*10+(shi&0x0f)+count1; //高三個字節是十位，低4個字節為個位
if(shi>=24)
shi=shi-24;
fen=ReadSet1302(0x83);
fen=((fen&0x70)>>4)*10+(fen&0x0f)+count2;
if(fen>=60)
fen=fen-60;
miao=ReadSet1302(0x81);
miao=((miao&0x70)>>4)*10+(miao&0x0f)+count3;
if(miao>=60)
miao=miao-60;
year=ReadSet1302(0x8d);
year=((year&0x70)>>4)*10+(year&0x0f)+count4;
month=ReadSet1302(0x89);
month=((month&0x70)>>4)*10+(month&0x0f)+count5;
if(month>=13)
month=month-12;
day=ReadSet1302(0x87);
day=((day&0x70)>>4)*10+(day&0x0f)+count6;
if(day>=32)
day=day-31;
week=ReadSet1302(0x8b);
week=((week&0x70)>>4)*10+(week&0x0f)+0x30+count7;
if(week>=0x38)
{
week=week-0x07;
count7=0;
}
if(week==0x31)
week=week+6;
……………………
…………限于本文篇幅余下代碼請從51黑下載附件…………