//----------main.c

#include?
#include?
#include?<24C04.h>
#include?“LCD1602.h“
#define?uchar?unsigned?char
#define?uint?unsigned?int?
uchar?Pre_KeyNo?=?16?KeyNo?=?16;
uchar?code?title_Text[]?=?“Your?Password...“;
uchar?DSY_BUFFER[10]?=?““;
uchar?UserPassword[10]?=?““;
sbit?LED_OPEN?=?P2^7;
sbit?Psaaword_Error?=?P2^6;
sbit?BEEP?=?P3^7;
sbit?LOCK?=P3^0;


void?Beep（）
{
	uchar?i;
	for（i?=?0;?i?	{
		DelayMS（1）;
		BEEP?=?~BEEP;
	}
	BEEP=0;
}

void?Clear_Password（）
{
	UserPassword[0]?=?‘\0‘;
	DSY_BUFFER[0]?=?‘\0‘;
}

//?主程序
//-----------------------------------------------------------------
void?main（）
{
???uchar?i?=?0;
???uchar?IIC_Password[10];
???uchar?IS_Valid_User?=?0;
???P0?=?0xFF;?????
???P1?=?0xFF;
???P2?=?0xFF;??

?//??TMOD?=?0x02;?????????????????????//T0設置為8位自動重裝模式
?//??TH0?=?175;??????????????????
?//??TL0?=?175;
?//??TR0?=?1;?????????????????????????//啟動T0

???DelayMS（10）;????????????????
???LCD_Init（）;??????????????????????//初始化LCD??
???
???IIC_24C04_Init（）;????????????????//初始化24C04??
???Display_String（title_Text0x00）;?//在第1行顯示標題
???
???//24C04的內容已由初始化BIN文件導入
???//將24C04中預先寫入的密碼讀入pass
???RecString（0xa0?0??IIC_Password?6）;???
???IIC_Password[6]?=?‘\0‘;
????
???while（1）
???{??
??????P1?=?0xF0;
??????if（P1?!=?0xF0）?KeyNo?=?Key_Scan（）;??//掃描鍵盤獲取鍵序號KeyNo
?
??????switch?（?KeyNo?）
??????{
???????????case?0:??case?1:?case?2:?case?3:?case?4:?
???????????case?5:??case?6:?case?7:?case?8:?case?9:
????????????????????????
???????????????????if?（?i<=?5?）?????????????//密碼限制在6位以內
???????????????????{
????????????????????????//如果i為0則執行一次清屏
????????????????????????if?（i?==0）?Display_String（“????????????????“0x40）;
????????????????????
????????????????????????UserPassword[i]?=?KeyNo?+?‘0‘;
????????????????????????UserPassword[i+1]?=?‘\0‘;
??????????????
????????????????????????DSY_BUFFER[i]?=?‘*‘;
????????????????????????DSY_BUFFER[i+1]?=?‘\0‘;
????????????????????
????????????????????????Display_String（DSY_BUFFER0x40）;
?????????????????????
????????????????????????i++;
????????????????????}
????????????????????break;
????????????????
???????????case?10:?//按A鍵開鎖
????????????????????if?（strcmp（UserPasswordIIC_Password）?==?0）?
????????????????????{
???????????????????????LED_OPEN?=?0;??//點亮LED
???????????????????????Clear_Password（）;
???????????????????????Display_String（“Unlock?OK!??????“0x40）;
???????????????????????IS_Valid_User?=?1;
					???LOCK?=?0;
					???DelayMS（2500）;
					???LOCK?=?1;
????????????????????}
????????????????????else?
????????????????????{??
???????????????????????LED_OPEN?=1;???//關閉LED
					???while（i--）{
					???LOCK=1;
					???Psaaword_Error?=?0;?
					???DelayMS（100）;
					???Psaaword_Error?=?1;
					???DelayMS（100）;?
					???}
					???
					???
???????????????????????Clear_Password（）;
???????????????????????Display_String（“ERROR?!?????????“0x40）;
???????????????????????IS_Val

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件????????6056??2020-11-02?12:11??111.hex
?????目錄???????????0??2020-11-02?19:07??24C04?BIN?文件\
?????文件?????????126??2009-02-27?16:28??24C04?BIN?文件\24c04-bin.cpp
?????文件???????????6??2008-08-20?10:14??24C04?BIN?文件\24C04.BIN
?????文件??????????32??2020-11-02?19:10??24C04?BIN?文件\說明.txt
?????文件????????1757??2020-11-02?12:07??24C04.h
?????文件??????108221??2009-06-04?22:02??Backup?Of?用24C04與1602LCD設計電子密碼鎖.DBK
?????文件?????????637??2020-11-01?14:30??KeyPAD.h
?????文件??????140085??2020-11-02?19:08??Last?Loaded?用24C04與1602LCD設計電子密碼鎖.DBK
?????文件????????1415??2020-10-31?14:10??LCD1602.h
?????文件????????5331??2020-11-02?12:11??main.c
?????文件??????140067??2020-11-02?19:09??用24C04與1602LCD設計電子密碼鎖.DSN
?????文件????????1054??2020-11-02?19:11??用24C04與1602LCD設計電子密碼鎖.PWI