1602LCD液晶+DS18B20實現數字電子鐘
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液晶顯示內容： 2012-02-02 14C //第1行
00:20:38 Thurs //第2行
這個時鐘表 既可以顯示溫度，又可以顯示 當前日期是星期幾了。 這個星期幾的判斷方法就是根據一個 國際日歷公式來實現的。
實現功能：
1. 調整 年月日 時分
2. 顯示 當前周圍溫度
3. 顯示 當前日期的 是星期幾
4. 整點報時
5. 若調整時間 不合理， 比如2012-02-34 ，則 調整失效
6. 若調整時間，則可以放棄所調整的時候。
http://blog.163.com/wenxianliang08@126 / /* 阿浪 博客 */
下面是個人 剛剛實現的 代碼
#include
#include
#include"DS18B20.h" //溫度
#include"LCD1602.h" //1602液晶
#include"MyFuntion.h" //自定義頭文件
//獨立按鍵P1口
sbit Key1=P3^0;
sbit Key2=P3^1;
sbit Key3=P3^2;
sbit Key4=P3^3;
sbit Key5=P3^4;
sbit Key6=P3^5;
sbit Key7=P3^6;
unsigned char T; //溫度
unsigned char Week1[]={"Monday"}; //周一
unsigned char Week2[]={"Tuesday"}; //周二
unsigned char Week3[]={"Wednes"};
unsigned char Week4[]={"Thurs"};
unsigned char Week5[]={"Friday"};
unsigned char Week6[]={"Satur"}; //周六
unsigned char Week7[]={"Sunday"}; //周日
unsigned char Week[8];
void DisplayWeek()
{
unsigned char C=20;
unsigned char y;
unsigned char m;
unsigned char d;
unsigned char W;
unsigned char i=0;
if(month<3)
{
y=year2-1;
m=12+month;
}
else
{
y=year2;
m=month;
}
d=day;
W=C/4-2*C+y+y/4+13*(m+1)/5+d-1;
W=W%7;
Write_Command(0x80+0x49);
switch(W)
{
case 0: strcpy(Week, Week7);break;
case 1: strcpy(Week, Week1);break;
case 2: strcpy(Week, Week2);break;
case 3: strcpy(Week, Week3);break;
case 4: strcpy(Week, Week4);break;
case 5: strcpy(Week, Week5);break;
case 6: strcpy(Week, Week6);break;
}