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電子密碼鎖仿真原理圖如下(proteus仿真工程文件可到本帖附件中下載)
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2018-4-20 18:22 上傳
資料包:
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2018-4-20 18:22 上傳
密碼鎖的單片機源程序如下:
- /********
- 1.按鍵說明: 按鍵K1~K3為數(shù)字"1~3",K5~K7為數(shù)字"4~6",K9~K11為數(shù)字"7~9",
- K13為"0",K14為設(shè)置鍵,K15為取消鍵,K16為回車鍵.
- 2.程序說明: 按數(shù)字鍵輸入正確密碼,回車確定.LED亮.否則5次錯誤,蜂鳴器響.按鍵暫時失效.
- 按設(shè)置鍵進入修改密碼,先輸入舊密碼,再輸入兩次新密碼,回車確定.
- 關(guān)電后密碼自動保存.
- 3.使用說明: 先找到程序中"E2Read(num0,0x05,sizeof(num0));"語句屏蔽后下載到單片機,
- 操作一次密碼設(shè)置(初始密碼為"0"),以清除EEPROM內(nèi)原有數(shù)據(jù),關(guān)電.解除屏蔽再下載. **********/
- #include "Lcd1602.h"
- #include "Key.h"
- #include "Eeprom.h"
- bit BeedOn = 0; //蜂鳴器標志
- bit set = 0; //設(shè)置標志
- bit On = 0; //密碼打開標志
- bit clag = 0; //清除輸入指針標志
- uchar Paserror = 0; //密碼錯誤次數(shù)
- uchar Passcou = 0; //更改密碼引索
- uchar T0RH=0,T0RL=0;
- uchar num0[8],num1[8],num2[8];
- void ConfigTime0(uchar ms);
- void main()
- {
- EA = 1;
- ConfigTime0(2);
- Lcd1602Init();
- E2Read(num0,0x05,sizeof(num0));
- LcdShowStr(0,0,"Please input...");
- while(1)
- {
- KeyDriver();
- }
- }
-
- void InCoumNum(uchar *buf,uchar n) //輸入數(shù)據(jù)
- {
- static uchar i;
- if (clag)
- {
- i = 0;
- clag = 0;
- }
- if (i < 8)
- {
- buf[i] = n;
- i++;
- LcdShowStr(16-i,1,"*");
- }
- else
- i = 0;
- }
- bit ContNum(uchar *dat1,uchar *dat2) //對比數(shù)據(jù)
- {
- uchar i;
- for (i=0;i<8;i++)
- {
- if (*dat1++ != *dat2++)
- return 0;
- }
- return 1;
- }
- void ClsNum(uchar *dat) //清除數(shù)據(jù)
- {
- uchar i;
- for (i=0;i<8;i++)
- {
- *dat++ = 0;
- }
- }
- void CopyNum(uchar *dat1,uchar *dat2) //復(fù)制數(shù)據(jù)
- {
- uchar i;
- for (i=0;i<8;i++)
- {
- *dat1++ = *dat2++;
- }
- }
- void PasErrCou() //密碼錯誤次數(shù)顯示
- {
- uchar str[1];
- Paserror++;
- str[0] = Paserror+'0';
- LcdShowStr(0,1,"ERROR");
- LcdShowStr(6,1,str);
- if (Paserror >= 5)
- {
- BeedOn = 1;
- }
- }
- void SetPass()
- {
- if (!On && !set)
- {
- LcdClsFull();
- LcdShowStr(0,0,"Set the Passwor");
- set = 1;
- }
- }
- void Esc() //復(fù)位
- {
- Passcou = 0;
- On = 0;
- set = 0;
- BeedOn = 0;
- Pout = 1;
- clag = 1;
- ClsNum(num1);
- ClsNum(num2);
- }
- void Enter()
- {
- if (!set)
- {
- if (!ContNum(num1,num0))
- {
- ClsNum(num1);
- LcdClsStr(0,1,16);
- PasErrCou();
- }
- else
- {
- LcdClsFull();
- LcdShowStr(0,0,"Welcome to use!");
- LcdShowStr(0,1,"Turn ON");
- ClsNum(num1);
- Paserror =0;
- Pout = 0;
- On = 1;
- }
- }
- else
- {
- switch (Passcou)
- {
- case 0: if (ContNum(num1,num0)) //密碼輸入正確
- {
- LcdClsFull();
- LcdShowStr(0,0,"Enter the new");
- ClsNum(num1);
- Passcou = 1;
- }
- else //密碼輸入錯誤清除輸入數(shù)
- {
- ClsNum(num1);
- LcdClsStr(0,1,16);
- PasErrCou();
- }
- break;
- case 1: LcdClsFull();
- LcdShowStr(0,0,"Enter new too");
- Passcou = 2;
- break;
- case 2: if (ContNum(num1,num2))
- {
- LcdClsFull();
- LcdShowStr(0,0,"Set pass OK ");
- CopyNum(num0,num2);
- E2Write(num0,0x05,sizeof(num0));
- Esc();
- }
- else
- {
- ClsNum(num2);
- LcdClsStr(0,1,16);
- }
- default: break;
- }
- }
- clag = 1;
- }
- void KeyAction(uchar kcod)
- {
- if (Paserror < 5)
- {
- if ((kcod >= 0x00) && (kcod <= 0x09))
- {
- if (!On) //密碼打開狀態(tài)禁止輸入
- {
- switch(Passcou)
- {
- case 0: InCoumNum(num1,kcod); //輸入數(shù)字
- break;
- case 1: InCoumNum(num1,kcod);
- break;
- case 2: InCoumNum(num2,kcod);
- break;
- default:
- break;
- }
- }
- }
- else if (kcod == 0x1b)
- {
- if (!On)
- SetPass(); //設(shè)置密碼
- }
- else if (kcod == 0x0d) //復(fù)位
- {
- LcdClsStr(0,1,16);
- LcdShowStr(0,0,"Please input...");
- Esc();
- }
- else if (kcod == 0x27)
- {
- if (!On)
- Enter(); //確認
- }
- }
- }
- void ConfigTime0(uchar ms)
- {
- ulong tmp;
- tmp = 11059200/12;
- tmp = (tmp*ms)/1000;
- tmp = (65536-tmp);
- T0RH = (uchar)(tmp>>8);
- T0RL = (uchar)tmp;
- TH0 = T0RH;
- TL0 = T0RL;
- TMOD &= 0xf0;
- TMOD |= 0x01;
- TR0 = 1;
- ET0 = 1;
- }
- void InterruptTime0() interrupt 1
- {
- static uint Errortime = 0; //密碼錯誤計時
-
- TH0 = T0RH;
- TL0 = T0RL;
- KeyScan();
- if (BeedOn)
- Bee = ~Bee;
- else
- Bee = 1;
- if (Paserror >= 5)
- ……………………
- …………限于本文篇幅 余下代碼請從51黑下載附件…………
復(fù)制代碼
所有資料51hei提供下載:
密碼鎖.zip
(100.26 KB, 下載次數(shù): 81)
2018-4-20 17:50 上傳
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