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#include <reg52.h>
#include "delay_ms.h"
#include "矩陣鍵盤.h"
#include "i2c.h"
#include "1602.h"
#include "delay_ms.h"
#include "mima.h"
#define uchar unsigned char
#define uint unsigned int
#define A 0x0a //輸入密碼
#define B 0x0b //修改密碼
#define D 0x0d //關(guān)鎖
#define enter 0x0c //確認(rèn)
#define backspace 0x0f //退格鍵
sbit baojing = P3^7; //蜂鳴器接口
sbit lock = P3^3;//鎖信號(hào)
sbit set = P3^2;
uchar idata mima_5[6] = {1,2,3,4,5,6}; //初始密碼
uchar flag_change;
uchar aa;//存放密碼錯(cuò)誤的次數(shù)，夠三次報(bào)警
uchar bb;
uchar flag_t0;
void baoj1()//報(bào)警函數(shù)
{
int i;
for(i = 0;i < 5; i++)
{
baojing = 1;
delay_ms(5);
baojing = 0;
delay_ms(5);
}
}
void baoj()
{
uchar i;
for(i = 0; i < 10; i++)
baoj1();
}
/*密碼處理函數(shù)*/
void mimachuli()
{
uchar key,i;
uchar idata mima_1[6]={' ',' ',' ',' ',' ',' '};//存放密碼緩沖區(qū)
uchar idata mima_2[6]={' ',' ',' ',' ',' ',' '};
uchar idata mima_3[6]={' ',' ',' ',' ',' ',' '};
key = step_choose();
if(key == A)//A被按下,接收輸入密碼，處理
{
read_n_add(mima_1,0x00,6);
write_com(0x06);//寫一個(gè)字符后地址指針加 1
write_com(0x01);//顯示清零，數(shù)據(jù)指針清零
write_com(0x0f);//顯示光標(biāo)
lcd_pos(0,0);
write_n_char(" press password ");
if(input_mima(mima_2)) //處理輸入密碼
{
if(mimaduibi(mima_2,mima_1)) //密碼正確
{
lcd_pos(0,0);
write_com(0x0c);
write_com(0x06);//寫一個(gè)字符后地址指針加 1
write_com(0x01);//顯示清零，數(shù)據(jù)指針清零
write_n_char(" password right ");
aa = 0; //清除密碼錯(cuò)誤次數(shù)
lock = 0; //開鎖
baojing = 1; //響一下
delay_ms(1000);
baojing = 0;
TR0 = 1;
flag_t0 = 1;
while(key != D && flag_t0) //D沒按下一直開
{
key = keyscan();
}
TR0 = 0;
lock = 1;//D按下了關(guān)鎖
}
else //密碼不正確
{
lcd_pos(0,0);
write_com(0x0c); //關(guān)光標(biāo)
write_com(0x06);//寫一個(gè)字符后地址指針加 1
write_com(0x01);//顯示清零，數(shù)據(jù)指針清零
write_n_char(" password wrong");
delay_ms(1000);
aa++;
if(aa == 4)
{
aa = 0;
i = 20; //密碼不正確報(bào)警
while(i--)
baoj();
}
}
}
else //密碼沒有輸入正確或完成
{
lcd_pos(0,0);
write_com(0x0c); //關(guān)光標(biāo)
write_com(0x06);//寫一個(gè)字符后地址指針加 1
write_com(0x01);//顯示清零，數(shù)據(jù)指針清零
write_n_char(" password wrong");
delay_ms(1000);
aa++;
if(aa == 4)
{
aa = 0;
i = 20; //密碼不正確報(bào)警
while(i--)
baoj();
}
}
}
if(key == B)//B被按下,修改密碼
{
read_n_add(mima_1,0x00,6);
write_com(0x06);//寫一個(gè)字符后地址指針加 1
write_com(0x01);//顯示清零，數(shù)據(jù)指針清零
write_com(0x0f);//顯示光標(biāo)
lcd_pos(0,0);
write_n_char(" input password");
write_com(0x0f);//顯示光標(biāo)
if(input_mima(mima_2)) //處理輸入密碼
{
if(mimaduibi(mima_2,mima_1)) //密碼正確
{
lcd_pos(0,0);
write_com(0x0c);
write_com(0x06);//寫一個(gè)字符后地址指針加 1
write_com(0x01);//顯示清零，數(shù)據(jù)指針清零
write_n_char("password right ");
aa = 0; //清除密碼錯(cuò)誤次數(shù)
delay_ms(1500);
flag_change = 1;
while(flag_change) //下面開始修改密碼
{
write_com(0x06);//寫一個(gè)字符后地址指針加 1
write_com(0x01);//顯示清零，數(shù)據(jù)指針清零
write_com(0x0f);//顯示光標(biāo)
lcd_pos(0,0);
write_n_char("In new password");
delay_ms(1500);
if(input_mima(mima_2)) //處理輸入密碼
{
lcd_pos(0,0);
write_com(0x0c);
write_com(0x06);//寫一個(gè)字符后地址指針加 1
write_com(0x01);//顯示清零，數(shù)據(jù)指針清零
write_n_char("Input new pass"); //確定新密碼
lcd_pos(1,0);
write_n_char("word again");
delay_ms(2000);
lcd_pos(0,0);
write_com(0x0f);//顯示光標(biāo)
write_com(0x06);//寫一個(gè)字符后地址指針加 1
write_com(0x01);//顯示清零，數(shù)據(jù)指針清零
write_n_char("In new password");
if(input_mima(mima_3)) //處理輸入密碼
{
if(mimaduibi(mima_2,mima_3)) //密碼正確
{
lcd_pos(0,0);
write_com(0x0c);
write_com(0x06);//寫一個(gè)字符后地址指針加 1
write_com(0x01);//顯示清零，數(shù)據(jù)指針清零
write_n_char("password has");
lcd_pos(1,0);
write_n_char("change already");
write_n_add(mima_3,0x00,6); //把修改的密碼存進(jìn)24C02
delay_ms(2000);
flag_change = 0;
}
else //密碼不正確
{
lcd_pos(0,0);
write_com(0x0c); //關(guān)光標(biāo)
write_com(0x06);//寫一個(gè)字符后地址指針加 1
write_com(0x01);//顯示清零，數(shù)據(jù)指針清零
write_n_char("password wrong");
delay_ms(1000);
aa++;
if(aa == 4)
{
aa = 0;
i = 20; //3次輸入密碼不正確報(bào)警
while(i--)
baoj();
}
flag_change = 0;
}
}
else //密碼沒有輸入正確或完成
{
lcd_pos(0,0);
write_com(0x0c); //關(guān)光標(biāo)
write_com(0x06);//寫一個(gè)字符后地址指針加 1
write_com(0x01);//顯示清零，數(shù)據(jù)指針清零
write_n_char(" password wrong");
delay_ms(1000);
aa++;
if(aa == 4)
{
aa = 0;
i = 20; //3次輸入密碼不正確報(bào)警
while(i--)
baoj();
}
}
}
else //密碼沒有輸入正確或完成
{
lcd_pos(0,0);
write_com(0x0c); //關(guān)光標(biāo)
write_com(0x06);//寫一個(gè)字符后地址指針加 1
write_com(0x01);//顯示清零，數(shù)據(jù)指針清零
write_n_char("password wrong");
delay_ms(1000);
flag_change = 0;
aa++;
if(aa == 4)
{
aa = 0;
i = 20; //3次輸入密碼不正確報(bào)警
while(i--)
baoj();
}
}
}
}
else //密碼不正確
{
lcd_pos(0,0);
write_com(0x0c); //關(guān)光標(biāo)
write_com(0x06);//寫一個(gè)字符后地址指針加 1
write_com(0x01);//顯示清零，數(shù)據(jù)指針清零
write_n_char("password wrong");
delay_ms(1000);
aa++;
if(aa == 4)
{
aa = 0;
i = 20; //3次輸入密碼不正確報(bào)警
while(i--)
baoj();
}
}
}
else //密碼沒有輸入正確或完成
{
lcd_pos(0,0);
write_com(0x0c); //關(guān)光標(biāo)
write_com(0x06);//寫一個(gè)字符后地址指針加 1
write_com(0x01);//顯示清零，數(shù)據(jù)指針清零
write_n_char("password wrong");
delay_ms(1000);
aa++;
if(aa == 4)
{
aa = 0;
i = 20; //3次輸入密碼不正確報(bào)警
while(i--)
baoj();
}
}
}
}
/*外部中斷函數(shù)，恢復(fù)出廠設(shè)置,長(zhǎng)按set鍵恢復(fù)*/
void int0() interrupt 0
{
delay_ms(2000);
if(!set)
{
lcd_pos(0,0);
write_com(0x0c); //關(guān)光標(biāo)
write_com(0x06);//寫一個(gè)字符后地址指針加 1
write_com(0x01);//顯示清零，數(shù)據(jù)指針清零
i2cinit();//24C02總線初始化
write_n_add(mima_5,0x00,6);
write_n_char("password renew");
lcd_pos(1,0);
write_n_char("already");
delay_ms(1000);
lcd_pos(0,0);
write_com(0x0c); //關(guān)光標(biāo)
write_com(0x06);//寫一個(gè)字符后地址指針加 1
write_com(0x01);//顯示清零，數(shù)據(jù)指針清零
write_n_char("Input password");
lcd_pos(1,0);
write_n_char("Press key A");
}// 引起了三個(gè)警告
}
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