基于51单片机的密码锁

基于8051单片机的密码锁的c语言代码 #include <reg51.h> typedef unsigned char uchar; typedef unsigned int uint; //¼üÅÌ×Ó³ÌÐòÏà¹Ø˵Ã÷ #define BLANKCHAR 10 //¶¨Òå¿Õ°×³£Á¿ #define PCHAR 11 //¶¨Òå×Ö·û P ³£Á¿(µÈ´ýÓû§ÊäÈëÃÜÂë) #define OPENCHAR 12 //¶¨Ò忪Ëø×Ö·û |¡ª ³£Á¿ #define ALARMCHAR 13 //¶¨Òå×Ö·û A ³£Á¿£¨ÃÜÂë¶à´Î´íÎ󾯸棩 #define LINECHAR 14 //¶¨Òå×Ö·û - ³£Á¿ #define BACKKEY 0X0D //¶¨ÒåÍ˸ñ°´¼ü³£Á¿ #define ENTERKEY 0X0F //¶¨ÒåÈ·Èϼü³£Á¿ #define LOCKKEY 0X0E //¶¨Òå±ÕËø¼ü³£Á¿ #define NO_KEY 20 //¶¨ÒåÎÞ°´¼ü·µ»ØÖµ //¶¨Òå°´¼üɨÃèÂë±í£¬°´¼üɨÃèʱ£¬4λÁÐÏߺÍ4λÐÐÏß×é³É×Ö½ÚÊý¾Ý±í uchar code KEYCODE[] = {0XEE,0XDE,0XBE,0X7E, // 0 1 2 3 0XED,0XDD,0XBD,0X7D, // 4 5 6 7 0XEB,0XDB,0XBB,0X7B, // 8 9 0XE7,0XD7,0XB7,0X77};// back lockkey enter uchar KeyPre; //±£´æÉÏ´ÎɨÃè°´¼üµÄ¼üÖµ uchar KeyUp;//ÓÃÓÚ¿ØÖÆ°´¼üÈ¥¶¶¶¯²Ù×÷¡£1£ºÉ¨ÃèʱÏû¶¶ 2£ºµÈ´ýÊÍ·Å 3£ºÊÍ·ÅʱÏû¶¶ #define LEDPORT P0 //¶¨ÒåÏÔʾÆ÷¶ÎÂëÊä³ö¶Ë¿Ú #define LEDCON P1 //¶¨ÒåÏÔʾÆ÷λ¿ØÖÆ¶Ë¿Ú #define KEYPORT P2 //¶¨Òå¼üÅÌ¶Ë¿Ú sbit ALARMCON = P3^3; //¶¨Ò屨¾¯¿ØÖÆÒý½Å sbit LOCKCON = P3^5; //¶¨Òåµç×ÓËø¿ØÖÆÒý½Å uchar code SEGCODE[] = {0XC0,0XF9,0XA4,0XB0,0X99,0X92,0X82,0XF8,0X80,0X90,//0...9µÄ¹²Ñô¼«¶ÎÂë 0XFF,//²»ÏÔʾ 0X8C,//ÏÔʾ×Ö·ûP(µÈ´ýÓû§ÊäÈëÃÜÂë) 0X8F,//|-µÄ¹²Ñô¼«¶ÎÂ루¿ªËø£© 0X88,//×Ö·ûA 0XBF,//×Ö·û- 0X9f,//·µ»Ø×Ö·û };