【畢業設計】基于單片機仿指針顯示的電子時鐘設計，用單片機模擬指針式電子時鐘，畢業設計和課程設計課題專用。附帶仿真圖、C程序，原理圖pdf等等資料，非常完善，可通過主頁進行下載。

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#include??????/*?庫文件?*/
#include?
#include?
#include?"lcd12864.h"
void?Delay(?uint?ms?);


void?TimeDisp(?uchar?hour,?uchar?min,?uchar?sec?);


void?TimerInit();


sbit	s1	=?P3?^?2;???????????????????????????????????????????????????????????????/*?引腳定義?*/
sbit	s2	=?P1?^?0;
sbit	s3	=?P1?^?1;
sbit	key	=?P3?^?4;

sbit	DS1302_CLK	=?P1?^?2;???????????????????????????????????????????????????????/*?實時時鐘時鐘線引腳?*/
sbit	DS1302_IO	=?P1?^?1;???????????????????????????????????????????????????????/*?實時時鐘數據線引腳?*/
sbit	DS1302_RST	=?P1?^?0;???????????????????????????????????????????????????????/*?實時時鐘復位線引腳?*/
sbit	ACC0		=?ACC?^?0;
sbit	ACC7		=?ACC?^?7;
char	hide_sec,?hide_min,?hide_hour,?hide_day,?hide_week,?hide_month,?hide_year;??????/*?秒,分,時到日,月,年位閃的計數?*/

uchar?week_value[2],?count;

/*?時間初始值?*/
uchar	hour	=?0;
uchar	min	=?0;
uchar	sec	=?0;


bit?refreshflag?=?1;?/*?顯示刷新標志,每一秒送一次顯示數據?*/


/***********DS1302時鐘部分子程序******************/
typedef?struct?__SYSTEMTIME__
{
	unsigned?char	Second;
	unsigned?char	Minute;
	unsigned?char	Hour;
	unsigned?char	Week;
	unsigned?char	Day;
	unsigned?char	Month;
	unsigned?char	Year;
	unsigned?char	DateString[11];
	unsigned?char	TimeString[9];
}SYSTEMTIME;????????????????????/*?定義的時間類型?*/
SYSTEMTIME?CurrentTime;


#define?AM(?X?)?X
#define?PM(?X?)?(X?+?12)????????/*?轉成24小時制?*/
#define?DS1302_SECOND	0x80????/*?時鐘芯片的寄存器位置,存放時間?*/
#define?DS1302_MINUTE	0x82
#define?DS1302_HOUR	0x84
#define?DS1302_WEEK	0x8A
#define?DS1302_DAY	0x86
#define?DS1302_MONTH	0x88
#define?DS1302_YEAR	0x8C

.....代碼篇幅過長省略

審核編輯：符乾江