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#include"KeyBord.h"
#include"LCD1602.h"
#include"Timer.h"
#include"string.h"
sbit Unlock_Led = P2^1; //開鎖顯示燈
sbit Beep = P2^2; //蜂鳴器
unsigned char Key_Num = 0; //按鍵值
unsigned char input_flag = 0; //輸入標志位
unsigned char change_flag = 0; //修改密碼標志位
unsigned char Set_password = 0; //設定密碼
unsigned char Pass_Num[6]; //數組用于存放輸入的密碼
unsigned char Pass_Temp[6]; //中間變量存儲數組
unsigned char Pass_Word[6] = {1,2,3,4,5,6}; //轉換成液晶顯示的字符
void Key_Control();
void main()
{
unsigned char i,j=0,num=0,count=0;
LCD_Init(); //顯示屏初始化
Timer0_Init(); //定時器初始化
LCD_Write_Cmd(0x0F); //光標閃爍
LCD_Write_Str(0,0,"FireFly Sci&Tech"); //初始顯示界面
LCD_Write_Str(4,1,"Welcome!");
while(1)
{
Key_Num = KeyPro();
if(time_flag) //定時器計時10S，返回初始界面
{ //關閉定時器
TR0 = 0; //定時標志位清零
time_flag = 0;
change_time =10;
Set_password = 0;
Unlock_Led = 0;
Beep = 0;
LCD_Write_Cmd(0x01); //清屏，并返回初始界面
LCD_Write_Str(0,0,"FireFly Sci&Tech");
LCD_Write_Str(4,1,"Welcome!");
}
if(Key_Num >= 12) //按鍵值是否大于12
{
if(Key_Num == 12) //輸入按鍵是否按下
{
LCD_Write_Cmd(0x01); //清屏，并進入輸入界面
DelayMs(5);
LCD_Write_Str(1,0,"PassWord:");
TR0 = 0; //關閉定時器，重新設定定時時間，
time_flag = 0;
change_time =10;
input_flag = 1; //輸入標志位置1
Unlock_Led = 0; //開鎖顯示燈滅
num = 0;
i = 0;
}
else if(Key_Num == 13) //確認按鍵是否被按下
{
if(num == 6) //輸入密碼長度是否為6位
{
if(change_flag) //修改密碼標志位真
{
change_flag = 0;
for(j = 0; j < 6; j++) //將密碼從中間數組導入密碼存儲數組
{
Pass_Word[j] = Pass_Temp[j];
}
LCD_Write_Cmd(0x01); //清屏，并進入密碼修改成功界面
LCD_Write_Str(2, 0, "SET Success!");
}
else if(input_flag)
{
if(memcmp(Pass_Num, Pass_Word, 6) == 0) //將輸入的密碼與設置的密碼進行比對
{
LCD_Write_Cmd(0x01); //清屏，并進入密碼輸入正確界面
LCD_Write_Str(1, 0, "PassWord Right");
LCD_Write_Str(2, 1, "Door unlock");
Set_password = 1; //設定密碼，10秒內可修改
Unlock_Led = 1; //開鎖顯示燈亮
input_flag = 0;
}
else
{
LCD_Write_Cmd(0x01); //清屏，并進入密碼輸入錯誤界面
DelayMs(5);
LCD_Write_Str(1, 0, "PassWord Error");
change_time =10;
TR0 = 1;
Unlock_Led = 0;
while(!time_flag)
{
Unlock_Led = ~Unlock_Led;
Beep = ~Beep; //板子為無源蜂鳴器
DelayUs2x(100);
}
}
}
change_time =10; //重新賦值定時時間，開定時器，輸入計數和顯示位置計數清零
TR0 = 1;
num = 0;
i = 0;
}
}
else if(Key_Num == 14) //修改密碼按鍵
{
if(Set_password) //如果在設定密碼時間內
{
LCD_Write_Cmd(0x01); //清屏，進入修改密碼界面
DelayMs(5);
LCD_Write_Str(1, 0, "New PassWord:");
TR0 = 0;
time_flag = 0;
change_time =10;
change_flag = 1;
input_flag = 0;
Set_password = 0;
num = 0;
i = 0;
}
}
else if(Key_Num == 15) //取消修改密碼
{
if(change_flag)
{
LCD_Write_Cmd(0x01);
DelayMs(5);
LCD_Write_Str(1, 0, "Cancel Change!");
TR0 = 1;
change_flag = 0;
num = 0;
i = 0;
}
}
}
else if(Key_Num <= 9)
{
if(num < PASS_NUM) //輸入密碼計數小于6
{
if(input_flag) //輸入密碼標志位
{
Pass_Num[num] = Key_Num;
LCD_Write_Char(3 + i, 1, '*');//依次顯示輸入字符
}
else if(change_flag) //修改密碼標志位
{
Pass_Temp[num] = Key_Num;
LCD_Write_Char(3 + i, 1, ('0' + Pass_Temp[num]));//依次顯示輸入字符
}
num++;
i++;
}
}
}
}

復制代碼

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