门禁DIY开源项目.zip

#include <reg51.h> #include "lcd.h" #include "i2c.h" #define KEY_DATA P3 //矩阵键盘IO口 #define open 1 #define close 0 sbit buzz = P1^4; sbit men_here = P2^2; sbit LA = P1^0; sbit LB = P1^1; sbit LC = P1^2; sbit LD = P1^3; void Timer0Init(void); //10毫秒@12.000MHz void delay(int z); void step_motor(bit dir, int speed); char key_scan(); unsigned char At24c02Read(unsigned char addr); void At24c02Write(unsigned char addr,unsigned char dat); void input_password(); //输入密码 void set_password(); //设置密码 void save_password(); //将密码存入24c02 void check_password(); //校验密码 void set_mode(); //设置模式 void password_mode(); //密码模式 void auto_mode(); //自动模式 void close_mode(); //常关模式 void door_control(bit dir); // 控制门开关 enum mode_index { PasswordMode, AutoMode, CloseMode, }; enum mode_index mode; static char key_val; //存储按键的值 unsigned char set_flag = 0; //设置密码标志，默认为0，表示不设置密码 unsigned char alter_password_index = 0; //修改密码层索引，0输入旧密码，1输入新密码，2确认密码 unsigned char password_is_alter = 0; //密码是否已经修改的标志 unsigned char door_is_open = 0; //门状态标志位 unsigned char open_or_close = 0; unsigned char sec = 0, flag_5s = 0, flag_10s = 0, password_error_flag = 0, error_index = 0; unsigned char code motor_0[8] = {0x08, 0x0c, 0x04, 0x06, 0x02, 0x03, 0x01, 0x09}; unsigned char code motor_1[8] = {0x09, 0x01, 0x03, 0x02, 0x06, 0x04, 0x0c, 0x08}; char password[7] = {'1', '8', '0', '3', '1', '6', '\0'}; char password_buff[7]; //密码缓冲区，修改密码时的密码预先存在这里 char key_password[7]; //存放按键输入的密码 char const key_Map[16] = { '1', '2', '3', 'A', '4', '5', '6', 'B', '7', '8', '9', 'C', 'F', '0', 'E', 'D', }; void main() { P1 = 0x00; buzz = 0; men_here = 0; Timer0Init(); LcdInit(); //save_password(); door_is_open = At24c02Read(8); door_control(open_or_close); while(1) { switch(mode) { case PasswordMode: password_mode(); break; case AutoMode: auto_mode(); break; case CloseMode: close_mode(); break; } door_control(open_or_close); } } /******设置模式******/ void set_mode() { if(key_scan() == 'A') mode = PasswordMode; else if(key_scan() == 'B') mode = AutoMode; else if(key_scan() == 'C') mode = CloseMode; } void Timer0Init(void) //10毫秒@12.000MHz { TMOD = 0x01; //设置定时器模式 TL0 = 0xF0; //设置定时初值 TH0 = 0xD8; //设置定时初值 EA = 1; ET0 = 1; } void Timer0_interrupt() interrupt 1 { static int cnt = 0; TL0 = 0xF0; //设置定时初值 TH0 = 0xD8; //设置定时初值 cnt ++; if(cnt > 100) { cnt = 0; sec++; if(mode == PasswordMode) { if(password_error_flag) { LcdWriteStr(1, 0, " Try after "); LcdWriteByte(7, 1, (10 - sec) + '0'); } else LcdWriteByte(7, 1, (5 - sec) + '0'); } if(sec%5 == 0) { flag_5s = 1; } if(sec == 10) { sec = 0; flag_10s = 1; } } } /******密码模式******/ void password_mode() { switch(set_flag) { case 0: if(password_error_flag) { LcdWriteStr(1, 0, " Try after "); LcdWriteStr(5, 1, " s "); while(flag_10s == 0); flag_10s = 0; TR0 = 0; password_error_flag = 0; } else { LcdWriteStr(1, 0, "input password"); LcdWriteStr(5, 1, "______ "); input_password(); //输入密码 } break; case 1: set_password(); //设置密码 break; } } /******自动模式******/ void auto_mode() { LcdWriteStr(1, 0, " auto mode "); LcdWriteStr(0, 1, " "); set_mode(); if(men_here == 1) { open_or_close = open; } else { open_or_close = close; } } /******常关模式******/ void close_mode() { LcdWriteStr(1, 0, " close mode "); LcdWriteStr(0, 1, " "); open_or_close = 0; door_control(open_or_close); while(key_scan() == -1); set_mode(); } /******保存密码******/ void save_password() { unsigned char i; if(password_is_alter == 1) { for (i = 7; i > 0; i--) { At24c02Write(i, password_buff[i - 1]); delay(10); } } else { for (i = 1; i < 7; i++) { At24c02Write(i, password[i - 1]); delay(10); } } } /******输入密码******/ void input_password() { unsigned char i, input_is_correct = 0; for (i = 0; i < 7; i++) { while(key_scan() == -1); //等待按键被按下 if (('0' <= key_scan()) && (key_scan() <= '9') && (i < 6)) { if(alter_password_index == 1) password_buff[i] = key_scan(); else key_password[i] = key_scan(); LcdWriteByte(i + 5, 1, key_scan()); input_is_correct = 1; } else { input_is_correct = 0; if (key_scan() == 'E') { if(i <= 1) i = 1; LcdWriteByte(i + 4, 1, '_'); i = i - 2; } else if((key_scan() == 'F') && (i == 6)) { i = 8; if(alter_password_index == 1) { password_buff[6] = '\0'; alter_password_index = 2; break; } else { key_password[6] = '\0'; check_password(); break; } } else if(key_scan() == 'A') { set_flag = 0; break; } else if(key_scan() == 'B') { mode = AutoMode; break; } else if(key_scan() == 'C') { mode = CloseMode; break; } else if(key_scan() == 'D') { set_flag = 1; break; } else i--; } while(key_scan() != -1); //等待按键弹起 if (input_is_correct) LcdWriteByte(i + 5, 1, '*'); } } /******设置密码******/ void set_password() { switch(alter_password_index) { case 0: LcdWriteStr(1, 0, " Old Password "); LcdWriteStr(5, 1, "______"); input_password(); break; case 1: LcdWriteStr(1, 0, " New Password "); LcdWriteStr(5, 1, "______"); input_password(); break; case 2: LcdWriteStr(1, 0, " input again "); LcdWriteStr(5, 1, "______"); input_password(); break; } } /******校验密码******/ void check_password() { unsigned char i, x, index = 0; for (i = 0; i < 6; i++) { if(alter_password_index == 2) { if(key_password[i] == password_buff[i]) { index ++; } if((index == 6) && (set_flag == 1)) { password_is_alter = 1; //密码修改成功 At24c02Write(9, password_is_alter); save_password(); LcdWriteStr(5, 1, "succeed"); set_flag = 0; alter_password_index = 0; buzz = 1; delay(600); buzz = 0; } if((i == 5) && (index != 6)) { LcdWriteStr(5, 1, "error "); buzz = 1; delay(500); buzz = 0; } } else { if(key_password[i] == At24c02Read(i + 1)) { index ++; } if((index == 6) && (set_flag == 0)) { LcdWriteStr(5, 1, " pass "); error_index = 0; open_or_close = open; door_control(open_or_close); LcdWriteStr(1, 0, " closed after "); LcdWriteStr(5, 1, " s "); LcdWriteByte(7, 1, (5 - sec) + '0'); TR0 = 1; while(flag_5s == 0); open_or_close = close; TR0 = 0; sec = 0; flag_5s = 0; break; } else if((index == 6) && (set_flag)) { alter_password_index = 1; } if((i == 5) && (index != 6)) { LcdWriteStr(5, 1, "error "); buzz = 1; delay(500); buzz = 0; error_index ++; if(error_index == 3) { error_index = 0; TR0 = 1; password_error_flag = 1; mode = CloseMode; } } } } } void door_control(bit dir) { unsigned char x; if((door_is_open == 0) && (dir == 1)) { for(x = 200; x > 0; x--) step_motor(open, 1); door_is_o