基于51单片机的密码锁程序

#include "system.h" void Lcd_Display(unsigned char choose) //显示函数 { unsigned char i = 0; Delay_Ms(20); switch (choose) { case 1: //显示主界面 { Lcd_Position(0,0); Lcd_Write(1,'A'); Lcd_Write(1,':'); while( dis8[i] != '\0') { Lcd_Write(1,dis8[i]); i ++; } i = 0; while( dis0[i] != '\0') { Lcd_Write(1,dis0[i]); i ++; } i = 0; while( dis1[i] != '\0') { Lcd_Write(1,dis1[i]); i ++; } i = 0; Lcd_Position (1,0); Lcd_Write(1,'C'); Lcd_Write(1,':'); while( dis2[i] != '\0') { Lcd_Write(1,dis2[i]); i ++; } i = 0; while( dis0[i] != '\0') { Lcd_Write(1,dis0[i]); i ++; } i = 0; Lcd_Position (2,0); while( dis3[i] != '\0') { Lcd_Write(1,dis3[i]); i ++; } i = 0; while( dis6[i] != '\0') { Lcd_Write(1,dis6[i]); i ++; } i = 0; Lcd_Write(1,':'); Lcd_Write(1,str[decade]); Lcd_Write(1,str[unit]); Lcd_Write(1,'.'); Lcd_Write(1,str[mark]); } break; case 2: { i = 0; Lcd_Init(); Lcd_Position(1,0); while( dis0[i] != '\0') { Lcd_Write(1,dis0[i]); i ++; } i = 0; while( dis6[i] != '\0') { Lcd_Write(1,dis6[i]); i ++; } Lcd_Write(1,':'); } break; case 3: { i = 0; Lcd_Position(2,2+Num_key); Lcd_Write(1,'*'); } break; case 4: { i = 0; Lcd_Init(); Lcd_Position(1,2); while( dis4[i] != '\0') { Lcd_Write(1,dis4[i]); i ++; } i = 0; Lcd_Position(2,2); Lcd_Write(1,'-'); Lcd_Write(1,'-'); while( dis7[i] != '\0') { Lcd_Write(1,dis7[i]); i ++; } Lcd_Write(1,'-'); Lcd_Write(1,'-'); } break; case 5: { i = 0; Lcd_Init(); Lcd_Position(2,2); while( dis0[i] != '\0') { Lcd_Write(1,dis0[i]); i ++; } i = 0; while( dis5[i] != '\0') { Lcd_Write(1,dis5[i]); i ++; } } break; case 6: { i = 0; Lcd_Position(2,2+Num_key); Lcd_Write(1,'-'); } break; case 7: { i = 0; Lcd_Init(); Lcd_Position(1,0); while( dis0[i] != '\0') { Lcd_Write(1,dis0[i]); i ++; } i = 0; while( dis6[i] != '\0') { Lcd_Write(1,dis6[i]); i ++; } Lcd_Write(1,':'); } break; case 8: { i = 0; Lcd_Init(); Lcd_Position(1,1); while( dis8[i] != '\0') { Lcd_Write(1,dis8[i]); i ++; } i = 0; while( dis0[i] != '\0') { Lcd_Write(1,dis0[i]); i ++; } } break; case 9: { i = 0; Lcd_Init(); Lcd_Position(2,2); while( dis9[i] != '\0') { Lcd_Write(1,dis9[i]); i ++; } } break; } } void Lcd_Write(bit cmd, unsigned char dat) //cmd = 0 写地址; cmd = 1 写数据; { lcd_rs = cmd; lcd_rw = 0; lcd_en = 0; P0 = dat; Delay_Ms(5); lcd_en = 1; Delay_Ms(5); lcd_en = 0; } void Lcd_Position(unsigned char x, unsigned char y) //屏幕定位 { unsigned char position; if( x == 0) { x = 0x80; } else if(x == 1) { x = 0x90; } else if(x == 2) { x = 0x88; } else if(x == 3) { x = 0x98; } position = x + y; Lcd_Write(0,position); } void Lcd_Init() { lcd_psb = 1; Lcd_Write(0,0x30); Delay_Ms(5); Lcd_Write(0,0x0c); Delay_Ms(5); Lcd_Write(0,0x01); Delay_Ms(5); } void Lcd_Display_Num(unsigned char num) //显示输入的数字 { unsigned char i = 0; Delay_Ms(20); Lcd_Display(2); Delay_Ms(20); switch (num) { case 0: { Lcd_Position(2,2+Num_key); Lcd_Write(1,'0'); Delay_Ms(20); }break; case 1: { Lcd_Position(2,2+Num_key); Lcd_Write(1,'1'); Delay_Ms(20); }break; case 2: { Lcd_Position(2,2+Num_key); Lcd_Write(1,'2'); Delay_Ms(20); }break; case 3: { Lcd_Position(2,2+Num_key); Lcd_Write(1,'3'); Delay_Ms(20); }break; case 4: { Lcd_Position(2,2+Num_key); Lcd_Write(1,'4'); Delay_Ms(20); }break; case 5: { Lcd_Position(2,2+Num_key); Lcd_Write(1,'5'); Delay_Ms(20); }break; case 6: { Lcd_Position(2,2+Num_key); Lcd_Write(1,'6'); Delay_Ms(20); }break; case 7: { Lcd_Position(2,2+Num_key); Lcd_Write(1,'7'); Delay_Ms(20); }break; case 8: { Lcd_Position(2,2+Num_key); Lcd_Write(1,'8'); Delay_Ms(20); }break; case 9: { Lcd_Position(2,2+Num_key); Lcd_Write(1,'9'); Delay_Ms(20); }break; case 10: { Lcd_Position(2,2+Num_key); Lcd_Write(1,'A'); Delay_Ms(20); }break; case 11: { Lcd_Position(2,2+Num_key); Lcd_Write(1,'B'); Delay_Ms(20); }break; case 12: { Lcd_Position(2,2+Num_key); Lcd_Write(1,'C'); Delay_Ms(20); }break; case 13: { Lcd_Position(2,2+Num_key); Lcd_Write(1,'D'); Delay_Ms(20); }break; case 14: { Lcd_Position(2,2+Num_key); Lcd_Write(1,'E'); Delay_Ms(20); }break; case 15: { Lcd_Position(2,2+Num_key); Lcd_Write(1,'F'); Delay_Ms(20); }break; } }