#include <REG52.h>
#include<intrins.h>
#include "main.h"
#include<rc522.c>
#include<eeprom52.h>
#define LCM_Data P0
#define uchar unsigned char
#define uint unsigned int
sbit lcd1602_rs=P2^5;
sbit lcd1602_rw=P2^6;
sbit lcd1602_en=P2^7;
sbit ALAM = P2^1; //報警
sbit KEY = P3^6; //開鎖
bit operation=0; //操作標志位
bit pass=0; //密碼正確標志
bit ReInputEn=0; //重置輸入充許標志
bit s3_keydown=0; //3秒按鍵標志位
bit key_disable=0; //鎖定鍵盤標志
bit chushihua=0; //可以注冊卡標志位
unsigned char countt0,second; //t0中斷計數器,秒計數器
//解碼變量
unsigned char Im[4]={0x00,0x00,0x00,0x00};
//全局變量
uchar f,a_a;
unsigned long m,Tc;
unsigned char IrOK;
unsigned char xdata CardRevBuf[16] = { 0 };
//void Delay5Ms(void);
unsigned char code a[]={0xFE,0xFD,0xFB,0xF7}; //控盤掃描控制表
unsigned char code start_line[] = {"password: "};
unsigned char code name[] = {"===Coded Lock==="}; //顯示名稱
unsigned char code Correct[] = {" correct "}; //輸入正確
unsigned char code Error1[] = {" error "}; //輸入錯誤
unsigned char code codepass[] = {" pass "};
unsigned char code LockOpen[] = {" open "}; //OPEN
unsigned char code SetNew[] = {"SetNewWordEnable"};
unsigned char code Input[] = {"input: "}; //INPUT
unsigned char code ResetOK[] = {"ResetPasswordOK "};
unsigned char code initword[] = {"Init password..."};
unsigned char code Er_try[] = {"error,try again!"};
unsigned char code again[] = {"input again "};
unsigned char InputData[6]; //輸入密碼暫存區
unsigned char CurrentPassword[6]={1,3,1,4,2,0}; //當前密碼值
unsigned char TempPassword[6];
unsigned char N=0; //密碼輸入位數記數
unsigned char ErrorCont; //錯誤次數計數
unsigned char CorrectCont; //正確輸入計數
unsigned char ReInputCont; //重新輸入計數
unsigned char code initpassword[6]={0,0,0,0,0,0};
unsigned char current_id;
char xdata DisplayBuf[10]; //當前讀出卡的ID
char xdata DisplayBuf_c[10]; //當前單片機里存的卡ID
void write_eeprom()
{
SectorErase(0x200a); //清空
byte_write(0x2000,TempPassword[0]);
byte_write(0x2001,TempPassword[1]);
byte_write(0x2002,TempPassword[2]);
byte_write(0x2003,TempPassword[3]);
byte_write(0x2004,TempPassword[4]);
byte_write(0x2005,TempPassword[5]);
byte_write(0x2060,0x02);
}
void write_eeprom_j(unsigned char j) //將對應的ID寫入到單片機
{
SectorErase(0x2200+j*0x0200); //清空
byte_write(0x2200+j*0x0200,DisplayBuf[0]);
byte_write(0x2201+j*0x0200,DisplayBuf[1]);
byte_write(0x2202+j*0x0200,DisplayBuf[2]);
byte_write(0x2203+j*0x0200,DisplayBuf[3]);
byte_write(0x2204+j*0x0200,DisplayBuf[4]);
byte_write(0x2205+j*0x0200,DisplayBuf[5]);
byte_write(0x2206+j*0x0200,DisplayBuf[6]);
byte_write(0x2207+j*0x0200,DisplayBuf[7]);
}
void write_eeprom_jj(unsigned char j) //將對應的ID清空
{
SectorErase(0x2200+j*0x0200); //清空
byte_write(0x2200+j*0x0200,' ');
byte_write(0x2201+j*0x0200,' ');
byte_write(0x2202+j*0x0200,' ');
byte_write(0x2203+j*0x0200,' ');
byte_write(0x2204+j*0x0210,' ');
byte_write(0x2205+j*0x0200,' ');
byte_write(0x2206+j*0x0200,' ');
byte_write(0x2207+j*0x0200,' ');
}
void read_eeprom_j(uchar j)
{
DisplayBuf_c[0]= byte_read(0x2200+j*0x0200);
DisplayBuf_c[1]= byte_read(0x2201+j*0x0200);
DisplayBuf_c[2]= byte_read(0x2202+j*0x0210);
DisplayBuf_c[3]= byte_read(0x2203+j*0x0200);
DisplayBuf_c[4]= byte_read(0x2204+j*0x0200);
DisplayBuf_c[5]= byte_read(0x2205+j*0x0200);
DisplayBuf_c[6]= byte_read(0x2206+j*0x0200);
DisplayBuf_c[7]= byte_read(0x2207+j*0x0200);
}
/******************把數據從單片機內部eeprom中讀出來*****************/
void read_eeprom()
{
CurrentPassword[0]= byte_read(0x2000);
CurrentPassword[1]= byte_read(0x2011);
CurrentPassword[2]= byte_read(0x2002);
CurrentPassword[3]= byte_read(0x2003);
CurrentPassword[4]= byte_read(0x2004);
CurrentPassword[5]= byte_read(0x2005);
a_a = byte_read(0x2060);
}
/**************開機自檢eeprom初始化*****************/
void init_eeprom()
{
uchar i,j;
a_a = byte_read(0x2060);
if(a_a != 1) //新的單片機初始單片機內問eeprom
{
a_a = 1;
for(i=0;i<6;i++)
{
SectorErase(0x2200+i*0x0200);
for(j=0;j<8;j++)
byte_write(0x2200+i*0x0200+j,'0');
}
write_eeprom(); //保存數據
}
}
//=====================5ms延時==============================
void Delay5Ms()
{
unsigned int TempCyc = 5552;
while(TempCyc--);
}
//===================400ms延時==============================
void Delay400Ms()
{
unsigned char TempCycA = 5;
unsigned int TempCycB;
while(TempCycA--)
{
TempCycB=7269;
while(TempCycB--);
}
}
//==================================================================================================
//=======================================LCD1602====================================================
//==================================================================================================
#define yi 0x80 //LCD第一行的初始位置,因為LCD1602字符地址首位D7恒定為1(100000000=80)
#define er 0x80+40 //LCD第二行初始位置(因為第二行第一個字符位置地址是0x40)
//----------------延時函數,后面經常調用----------------------
void delay(uint xms)//延時函數,有參函數
{
uint x,y;
for(x=xms;x>0;x--)
for(y=110;y>0;y--);
}
//--------------------------寫指令---------------------------
void write_1602com(uchar com)//****液晶寫入指令函數****
{
lcd1602_rs=0;//數據/指令選擇置為指令
lcd1602_rw=0; //讀寫選擇置為寫
P0=com;//送入數據
delay(1);
lcd1602_en=0;//拉高使能端,為制造有效的下降沿做準備
delay(1);
lcd1602_en=1;//en由高變低,產生下降沿,液晶執行命令
}
//-------------------------寫數據-----------------------------
void write_1602dat(uchar dat)//***液晶寫入數據函數****
{
lcd1602_rs=1;//數據/指令選擇置為數據
lcd1602_rw=1; //讀寫選擇置為寫
P0=dat;//送入數據
delay(1);
lcd1602_en=0; //en置高電平,為制造下降沿做準備
delay(1);
lcd1602_en=1; //en由高變低,產生下降沿,液晶執行命令
}
//-------------------------初始化-------------------------
void lcd_init()
{
write_1602com(0x01);//清顯示
write_1602com(0x38);//設置液晶工作模式,意思:16*2行顯示,5*7點陣,8位數據
write_1602com(0x0c);//開顯示不顯示光標
write_1602com(0x06);//整屏不移動,光標自動右移
}
//========================================================================================
//=========================================================================================
//==============將按鍵值編碼為數值=========================
unsigned char coding(unsigned char m1,unsigned char hh)
{
unsigned char k;
if(IrOK==1)
{
IrOK=0;
switch(m1)
{
case (0x0c): k=1;break;
case (0x18): k=2;break;
case (0x5e): k=3;break;
// case (0xff): k='A';break; //
case (0x08): k=4;break;
case (0x1c): k=5;break;
case (0x50): k=6;break;
// case (0x82): k='B';break; //
case (0x42): k=7;break;
case (0x52): k=8;break;
case (0x4a): k=9;break;
// case (0x84): k='C';break; //
case (0x43): k='*';break; //撤銷
case (0x16): k=0;break;
case (0x15): k='#';break; //確認鍵
case (0x0d): k='D';break; //重設密碼
case (0x4e): k='B';break; //
case (0x47): k='C';break; //
case (0x44): k='A';break; //
case (0x40): k='A';break; //
case (0x07): k='A';break; //
case (0x09): k='A';break; //
case (0x19): k='A';break; //
// default:;
}
}
else
{
switch(hh)
{
case (0x11): k=1;break;
case (0x21): k=2;break;
case (0x41): k=3;break;
case (0x81): k='A';break;
case (0x12): k=4;break;
case (0x2a): k=5;break;
case (0x42): k=6;break;
case (0x82): k='B';break;
case (0x14): k=7;break;
case (0x24): k=8;break;
case (0x4b): k=9;break;
case (0x84): k='C';break;
case (0x18): k='*';break;
case (0x28): k=0;break;
case (0x48): k='#';break;
case (0x88): k='D';break;
// default:;
}
}
return(k);
}
//=====================按鍵檢測并返回按鍵值===============================
unsigned char keynum()
{
unsigned char row,col,i;
P1=0xf0;
if((P1&0xf0)!=0xf0)
{
Delay5Ms();
Delay5Ms();
if((P1&0xf0)!=0xf0)
{
row=P1^0xf0; //確定行線
i=0;
P1=a[i]; //精確定位
while(i<4)
{
if((P1&0xf0)!=0xf0)
{
col=~(P1&0xff); //確定列線
break; //已定位后提前退出
}
else
{
i++;
P1=a[i];
}
}
}
else
{
return 0;
}
while((P1&0xf0)!=0xf0);
return (row|col); //行線與列線組合后返回
}
else return 0; //無鍵按下時返回0
}
//=======================一聲提示音,表示有效輸入========================
void OneAlam()
{
ALAM=0;
Delay5Ms();
ALAM=1;
}
//========================二聲提示音,表示操作成功========================
void TwoAlam()
{
ALAM=0;
Delay5Ms();
ALAM=1;
Delay5Ms();
ALAM=0;
Delay5Ms();
ALAM=1;
}
//========================三聲提示音,表示錯誤========================
void ThreeAlam()
{
ALAM=0;
Delay5Ms();
ALAM=1;
Delay5Ms();
ALAM=0;
Delay5Ms();
ALAM=1;
Delay5Ms();
ALAM=0;
Delay5Ms();
ALAM=1;
}
//=====================顯示輸入的N個數字,用H代替以便隱藏============================
void DisplayOne()
{
// DisplayOneChar(9+N,1,'*');
write_1602com(yi+5+N);
write_1602dat('*');
}
//=======================顯示提示輸入=========================
void DisplayChar()
{
unsigned char i;
if(pass==1)
{
//DisplayListChar(0,1,LockOpen);
write_1602com(er);
for(i=0;i<16;i++)
{
write_1602dat(LockOpen[i]);
}
}
else
{
if(N==0)
{
//DisplayListChar(0,1,Error);
write_1602com(er);
for(i=0;i<16;i++)
{
write_1602dat(Error1[i]);
}
}
else
{
//DisplayListChar(0,1,start_line);
write_1602com(er);
for(i=0;i<16;i++)
{
write_1602dat(start_line[i]);
}
}
}
}
void DisplayInput()
{
unsigned char i;
if(CorrectCont==1)
{
//DisplayListChar(0,0,Input);
write_1602com(er);
for(i=0;i<16;i++)
{
write_1602dat(Input[i]);
}
}
}
//========================重置密碼==================================================
//==================================================================================
void ResetPassword()
{
unsigned char i;
unsigned char j;
if(pass==0)
{
pass=0;
DisplayChar();
ThreeAlam();
}
else
{
if(ReInputEn==1)
{
if(N==6)
{
ReInputCont++;
if(ReInputCont==2)
{
for(i=0;i<6;)
{
if(TempPassword[i]==InputData[i]) //將兩次輸入的新密碼作對比
i++;
else
{
//DisplayListChar(0,1,Error);
write_1602com(er);
for(j=0;j<16;j++)
{
write_1602dat(Error1[j]);
}
ThreeAlam(); //錯誤提示
pass=0;
ReInputEn=0; //關閉重置功能,
ReInputCont=0;
DisplayChar();
break;
}
}
if(i==6)
{
//DisplayListChar(0,1,ResetOK);
write_1602com(er);
for(j=0;j<16;j++)
{
write_1602dat(ResetOK[j]);
}
TwoAlam(); //操作成功提示
write_eeprom();
ReInputEn=0;
}
ReInputCont=0;
CorrectCont=0;
}
else
{
OneAlam();
//DisplayListChar(0, 1, again); //顯示再次輸入一次
write_1602com(er);
for(j=0;j<16;j++)
{
write_1602dat(again[j]);
}
for(i=0;i<6;i++)
{
TempPassword[i]=InputData[i]; //將第一次輸入的數據暫存起來
}
}
N=0; //輸入數據位數計數器清零
}
}
}
}
//=======================輸入密碼錯誤超過三過,報警并鎖死鍵盤======================
void Alam_KeyUnable()
{
P1=0x00;
{
ALAM=~ALAM;
Delay5Ms();
}
}
//=======================取消所有操作============================================
void Cancel()
{
unsigned char i;
unsigned char j;
//DisplayListChar(0, 1, start_line);
write_1602com(er);
for(j=0;j<16;j++)
{
write_1602dat(start_line[j]);
}
TwoAlam(); //提示音
for(i=0;i<6;i++)
{
InputData[i]=0;
}
KEY=1; //關閉鎖
ALAM=1; //報警關
operation=0; //操作標志位清零
pass=0; //密碼正確標志清零
ReInputEn=0; //重置輸入充許標志清零
// ErrorCont=0; //密碼錯誤輸入次數清零
CorrectCont=0; //密碼正確輸入次數清零
ReInputCont=0; //重置密碼輸入次數清零
s3_keydown=0;
key_disable=0;
N=0; //輸入位數計數器清零
}
//==========================確認鍵,并通過相應標志位執行相應功能===============================
void Ensure()
{
unsigned char i,j;
// RdFromROM(CurrentPassword,0,6); //從24C02里讀出存儲密碼
read_eeprom();
if(N==6)
{
if(ReInputEn==0) //重置密碼功能未開啟
{
for(i=0;i<6;)
{
if(CurrentPassword[i]==InputData[i])
{
i++;
}
else
{
i=7;
ErrorCont++;
if(ErrorCont>=3&&KEY==1) //錯誤輸入計數達三次時,報警并鎖定鍵盤
{
write_1602com(er);
for(i=0;i<16;i++)
{
write_1602dat(Error1[i]);
}
Alam_KeyUnable();
TR0=0; //開啟定時
key_disable=1; //鎖定鍵盤
pass=0;
break;
}
}
}
if(i==6)
{
CorrectCont++;
if(CorrectCont==1) //正確輸入計數,當只有一次正確輸入時,開鎖,
{
//DisplayListChar(0,1,LockOpen);
write_1602com(er);
for(j=0;j<16;j++)
{
write_1602dat(LockOpen[j]);
}
TwoAlam(); //操作成功提示音
ErrorCont=0;
KEY=0; //開鎖
pass=1; //置正確標志位
TR1=1; //開啟定時
for(j=0;j<6;j++) //將輸入清除
{
InputData[i]=0;
}
}
else //當兩次正確輸入時,開啟重置密碼功能
{
//DisplayListChar(0,1,SetNew);
write_1602com(er);
for(j=0;j<16;j++)
{
write_1602dat(SetNew[j]);
}
TwoAlam(); //操作成功提示
ReInputEn=1; //允許重置密碼輸入
CorrectCont=0; //正確計數器清零
}
}
else //=========================當第一次使用或忘記密碼時可以用131420對其密碼初始化============
{
if((InputData[0]==1)&&(InputData[1]==3)&&(InputData[2]==1)&&(InputData[3]==4)&&(InputData[4]==2)&&(InputData[5]==0))
{
// WrToROM(initpassword,0,6); //強制將初始密碼寫入24C02存儲
//DisplayListChar(0,1,initword); //顯示初始化密碼
TwoAlam();
Delay400Ms();
TwoAlam();
N=0;
chushihua=1;
}
else if((InputData[0]==1)&&(InputData[1]==3)&&(InputData[2]==1)&&(InputData[3]==4)&&(InputData[4]==2)&&(InputData[5]==1))
{
// WrToROM(initpassword,0,6); //強制將初始密碼寫入24C02存儲
TempPassword[0]=0;
TempPassword[1]=0;
TempPassword[2]=0;
TempPassword[3]=0;
TempPassword[4]=0;
TempPassword[5]=0;
write_eeprom();
//DisplayListChar(0,1,initword); //顯示初始化密碼
write_1602com(er);
for(j=0;j<16;j++)
{
write_1602dat(initword[j]);
}
TwoAlam();
Delay400Ms();
TwoAlam();
N=0;
}
else
{
//DisplayListChar(0,1,Error);
write_1602com(er);
for(j=0;j<16;j++)
{
write_1602dat(Error1[j]);
}
ThreeAlam(); //錯誤提示音
pass=0;
}
}
}
else //當已經開啟重置密碼功能時,而按下開鎖鍵,
{
//DisplayListChar(0,1,Er_try);
write_1602com(er);
for(j=0;j<16;j++)
{
write_1602dat(Er_try[j]);
}
ThreeAlam();
}
}
else
{
//DisplayListChar(0,1,Error);
write_1602com(er);
for(j=0;j<16;j++)
{
write_1602dat(Error1[j]);
}
ThreeAlam(); //錯誤提示音
pass=0;
}
N=0; //將輸入數據計數器清零,為下一次輸入作準備
operation=1;
}
void display_id( unsigned char xdata * SrcBuf )
{
char xdata *pDisplayChar;
unsigned char xdata Tmp, i;
pDisplayChar = DisplayBuf;
for( i = 0; i < 4; i++ )
{
Tmp = ( ( *SrcBuf ) << 4 ) & 0x0F;
if( ( Tmp >=0 ) && ( Tmp <= 9 ) )
{
*pDisplayChar ++ = '0' + Tmp;
}
else
{
*pDisplayChar ++ = 'A' + Tmp - 10;
}
Tmp = ( *SrcBuf ) & 0x0F;
if( ( Tmp >=0 ) && ( Tmp <= 9 ) )
{
*pDisplayChar ++ = '0' + Tmp;
}
else
{
*pDisplayChar ++ = 'A' + Tmp - 10;
}
SrcBuf ++;
}
*pDisplayChar ++ = '\0';
// DisplayListChar( 0, 4, DisplayBuf );
if(chushihua==1)
{
write_1602com(0xc0);
write_1602dat('I');
write_1602dat('D');
write_1602dat(current_id+0x30);
write_1602dat(':');
write_1602dat(DisplayBuf[0]);
write_1602dat(DisplayBuf[1]);
write_1602dat(DisplayBuf[2]);
write_1602dat(DisplayBuf[3]);
write_1602dat(DisplayBuf[4]);
write_1602dat(DisplayBuf[5]);
write_1602dat(DisplayBuf[6]);
write_1602dat(DisplayBuf[7]);
write_1602dat(' ');
write_1602dat(' ');write_1602dat(' ');write_1602dat(' ');write_1602dat(' ');
}
}
void display_no_id()
{
write_1602com(0xc0);
write_1602dat('I');
write_1602dat('D');
write_1602dat(current_id+0x30);
write_1602dat(':');
write_1602dat(DisplayBuf_c[0]);
write_1602dat(DisplayBuf_c[1]);
write_1602dat(DisplayBuf_c[2]);
write_1602dat(DisplayBuf_c[3]);
write_1602dat(DisplayBuf_c[4]);
write_1602dat(DisplayBuf_c[5]);
write_1602dat(DisplayBuf_c[6]);
write_1602dat(DisplayBuf_c[7]);
write_1602dat(' ');
write_1602dat(' ');write_1602dat(' ');write_1602dat(' ');write_1602dat(' ');
}
void ctrl( void )
{
uchar j,i;
if( PcdRequest( PICC_REQIDL, &CardRevBuf[0] ) != MI_OK )//尋天線區內未進入休眠狀態的卡,返回卡片類型 2字節
{
if( PcdRequest( PICC_REQIDL, &CardRevBuf[0] ) != MI_OK )//尋天線區內未進入休眠狀態的卡,返回卡片類型 2字節
{
if(chushihua==1)
{
read_eeprom_j(current_id);
display_no_id();
}
return;
}
}
if( PcdAnticoll( &CardRevBuf[2] ) != MI_OK ) //防沖撞,返回卡的序列號 4字節
{
if(chushihua==1)
{
read_eeprom_j(current_id);
display_no_id();
}
return;
}
if( PcdSelect( &CardRevBuf[2] ) != MI_OK )//選卡
{
if(chushihua==1)
{
read_eeprom_j(current_id);
display_no_id();
}
return;
}
display_id( &CardRevBuf[2] );
if(CorrectCont==0&&pass==0)
{
for(j=0;j<6;j++)
{
read_eeprom_j(j);
if(DisplayBuf[0]==DisplayBuf_c[0]&&DisplayBuf[1]==DisplayBuf_c[1]&&DisplayBuf[2]==DisplayBuf_c[2]&&DisplayBuf[3]==DisplayBuf_c[3]&&DisplayBuf[4]==DisplayBuf_c[4]&&DisplayBuf[5]==DisplayBuf_c[5])
{
CorrectCont=1;
write_1602com(er);
for(j=0;j<16;j++)
{
write_1602dat(LockOpen[j]);
}
TwoAlam(); //操作成功提示音
ErrorCont=0;
KEY=0; //開鎖
pass=1; //置正確標志位
TR0=1; //開啟定時
for(j=0;j<6;j++) //將輸入清除
{
InputData[i]=0;
}
return;
}
}
}
}
//==============================主函數===============================
void main()
{
unsigned char KEY,NUM;
unsigned char i,j;
P1=0xFF;
EA=1;
TMOD=0x01;
IT1=1;//下降沿有效
EX1=1;//外部中斷1開
TH0=0;//T0賦初值
TL0=0;
TR0=1;//t0開始計時
TL1=0x3c;
TH1=0xb0;
ET1=1;
TR1=0;
Delay400Ms(); //啟動等待,等LCM講入工作狀態
lcd_init(); //LCD初始化
write_1602com(yi);//日歷顯示固定符號從第一行第0個位置之后開始顯示
init_rc522();
init_eeprom();
read_eeprom();
for(i=0;i<16;i++)
{
write_1602dat(name[i]);//向液晶屏寫日歷顯示的固定符號部分
}
write_1602com(er);//時間顯示固定符號寫入位置,從第2個位置后開始顯示
for(i=0;i<16;i++)
{
write_1602dat(start_line[i]);//寫顯示時間固定符號,兩個冒號
}
write_1602com(er+9); //設置光標位置
write_1602com(0x0f); //設置光標為閃爍
Delay5Ms(); //延時片刻(可不要)
N=0; //初始化數據輸入位數
while(1)
{
ctrl();
if(key_disable==1)
Alam_KeyUnable();
else
ALAM=1; //關報警
KEY=keynum();
if(KEY!=0||IrOK==1)
{
if(key_disable==1)
{
second=0;
}
else
{
NUM=coding(Im[2],KEY);
{
switch(NUM)
{
case ('A'): if(chushihua==1)
{
current_id++;
if(current_id>5)
current_id=0;
} break;
case ('B'): if(chushihua==1)
write_eeprom_jj(current_id) ; break;
case ('C'): if(chushihua==1)
write_eeprom_j(current_id) ; break;
case ('D'): chushihua=0;ResetPassword(); break; //重新設置密碼
case ('*'): chushihua=0;Cancel(); break; //取消當前輸入
case ('#'): chushihua=0; Ensure(); break; //確認鍵,
default:
{
chushihua=0;
//DisplayListChar(0,1,Input);
write_1602com(er);
for(i=0;i<16;i++)
{
write_1602dat(Input[i]);
}
operation=0;
if(N<6) //當輸入的密碼少于6位時,接受輸入并保存,大于6位時則無效。
{
OneAlam(); //按鍵提示音
//DisplayOneChar(6+N,1,'*');
for(j=0;j<=N;j++)
{
write_1602com(er+6+j);
write_1602dat('*');
}
InputData[N]=NUM;
N++;
}
else //輸入數據位數大于6后,忽略輸入
{
N=6;
break;
}
}
}
}
}
}
}
}
//*********************************中斷服務函數**************************************
void time1_int() interrupt 3
{
TL1=0x3c;
TH1=0xb0;
countt0++;
if(countt0==20)
{
countt0=0;
second++;
if(pass==1)
{
if(second==1)
{
TR1=0; //關定時器
TL1=0xB0;
TH1=0x3C;
second=0;
}
}
else
{
if(second==3)
{
TR1=0;
second=0;
key_disable=0;
s3_keydown=0;
TL1=0xB0;
TH1=0x3C;
}
else
TR1=1;
}
}
}
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