#include?
#include?
#include?
#include?
#include?“lcd.h“
#define?uchar?unsigned?char



sbit??DS1302_CLK?=?P2^6;??????????????//實時時鐘時鐘線引腳?
sbit??DS1302_IO??=?P2^5;??????????????//實時時鐘數據線引腳?
sbit??DS1302_RST?=?P2^7;??????????????//實時時鐘復位線引腳

uchar?read_1302（void）		//從1302中讀取一個字節
{
	uchar?idata_1302;
	for（i=0;i<8;i++）
	{
		data_1302>>=1;
		if（DS1302_IO）
		{
			data_1302|=0x80;
		}
		DS1302_CLK=1;
		DS1302_CLK=0;
	}
	return?（data_1302）;
}

void?write_1302（uchar?data_1302）//向1302中寫入一個字節
{
	uchar?i;
	for（i=0;i<8;i++）
	{
		DS1302_IO=（bit）（data_1302&0x01）;
		DS1302_CLK=1;
		DS1302_CLK=0;
		data_1302>>=1;
	}
}
//向1302的某一地址中寫入一個字節的數據

void?write_all_1302（uchar?addruchar?data_1302）?
{
	DS1302_RST?=?0;
	DS1302_CLK?=?0;
	DS1302_RST?=?1;
	write_1302（addr）;
	write_1302（data_1302）;
	DS1302_CLK?=?1;
	DS1302_RST?=?0;
}

//從1302的某一地址中讀取一個字節的數據

uchar?read_all_1302（uchar?addr）
{
	uchar?data_1302;
	DS1302_RST?=?0;
	DS1302_CLK?=?0;
	DS1302_RST?=?1;
	write_1302（addr|0x01）;
	data_1302?=?read_1302（）;
	DS1302_CLK?=?1;
	DS1302_RST?=?0;
	return?（data_1302）;
}


void?DS1302_SetProtect（bit?flag）????????//是否寫保護
{
	if（flag）
		write_all_1302（0x8E0x80）;?//禁止寫
	else
		write_all_1302（0x8E0x00）;?//允許寫
}

//停止1302時鐘

void?stop_1302（void）
{
	uchar?i;
	i?=?read_all_1302（DS1302_SECOND）;
	i?|=?0x80;
	write_all_1302（DS1302_SECONDi）;
}

//啟動1302時鐘

void?start_1302（void）
{
	uchar?i;
	i?=?read_all_1302（DS1302_SECOND）;
	i?&=?0x7f;
	write_all_1302（DS1302_SECONDi）;
}


//讀出1302的時間序列
void?read_serial（uchar?*j）
{
	uchar?i;
	DS1302_RST?=?0;
	DS1302_CLK?=?0;
	DS1302_RST?=?1;
	write_1302（0xbf）;//0xbf為連續讀出的命令代碼
	for（i=0;i<8;i++）
	{
		*（j+i）?=?read_1302（）;
		nop（）;
	}
	DS1302_CLK?=?1;
	DS1302_RST?=?0;
}
//寫入1302的時間序列

void?write_date_time（uchar?*j）
{
	uchar?i;
	DS1302_RST?=?0;
	DS1302_CLK?=?0;
	DS1302_RST?=?1;
	write_1302（0xbe）;//0xbe為連續寫入的命令代碼
	for（i=0;i<8;i++）
	{
		write_1302（*（j+i））;
	}
	DS1302_CLK?=?1;
	DS1302_RST?=?0;
}

void?init1302（）
{
??DS1302_SetProtect（0）;
?//?write_all_1302（0x8c0x00）;
?//?write_all_1302（0x880x05）;
?//?write_all_1302（0x860x25）;
?//?write_all_1302（0x8a0x04）;
?//?write_all_1302（0x840x00）;
?//?write_all_1302（0x820x59）;
?//?write_all_1302（0x800x55）;
??DS1302_SetProtect（1）;?
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件?????125872??2008-07-09?16:58??wangnianli\wnl2.DSN

?????文件??????39026??2008-06-19?10:07??wangnianli\wnl.hex

?????目錄??????????0??2008-07-09?16:50??wangnianli

?????文件???????2450??2008-07-10?08:38??wangnianli\程序\wnl.plg

?????文件???????1291??2008-06-19?10:03??wangnianli\程序\wnl_main.c

?????文件???????2506??2008-07-10?08:29??wangnianli\程序\ds1302.c

?????文件???????6005??2008-05-23?15:01??wangnianli\程序\LCD.c

?????文件???????2143??2008-06-19?10:05??wangnianli\程序\ds18b20.c

?????文件???????2832??2008-06-19?10:05??wangnianli\程序\lcdshow.c

?????文件????????565??2008-05-24?13:50??wangnianli\程序\ds1302.h

?????文件????????297??2008-05-22?14:34??wangnianli\程序\ds18b20.h

?????文件????????384??2008-06-19?10:07??wangnianli\程序\key.h

?????文件????????590??2008-05-23?15:10??wangnianli\程序\lcd.h

?????文件????????347??2008-06-19?10:06??wangnianli\程序\lcdshow.h

?????文件??????11560??2008-07-10?08:29??wangnianli\程序\key.c

?????文件????????826??2008-05-23?16:07??wangnianli\程序\STARTUP.obj

?????文件????????173??2008-07-10?08:36??wangnianli\程序\wnl.lnp

?????文件??????91101??2008-07-10?08:36??wangnianli\程序\wnl.M51

?????文件??????39283??2008-07-10?08:36??wangnianli\程序\wnl.hex

?????文件???????5662??2008-06-19?09:07??wangnianli\程序\HzCode.h

?????文件????????241??2008-06-19?09:23??wangnianli\程序\ZHnongl.h

?????文件??????17652??2008-06-18?21:37??wangnianli\程序\NLcode.h

?????文件??????20332??2008-06-19?10:07??wangnianli\程序\ZHnongl.OBJ

?????文件??????18612??2008-06-19?10:07??wangnianli\程序\nongli.OBJ

?????文件???????6254??2008-07-10?08:31??wangnianli\程序\lcdshow.LST

?????文件??????11394??2008-07-10?08:31??wangnianli\程序\lcdshow.OBJ

?????文件???????4957??2008-07-10?08:31??wangnianli\程序\ds18b20.LST

?????文件???????6671??2008-07-10?08:31??wangnianli\程序\ds18b20.OBJ

?????文件???????6110??2008-07-10?08:31??wangnianli\程序\ds1302.LST

?????文件???????9011??2008-07-10?08:31??wangnianli\程序\ds1302.OBJ

............此處省略16個文件信息