这个程序真的花了我好长的时间调试，终于写好了，大家可以看看我的密码锁，有点花哨呕！！
下面是密码锁简约版本：
main.c
#include<reg52.h> #include"12864.h" #include"keyscan.h" #include"baojin.h" uchar mima[5]={1,2,3,4,5}; main() { uchar length,i,flag,inputtimes,flagkaimeng;//tempÊÇÃÜÂëµÄÁÙʱ±äÁ¿ uchar itouch,flaggaimima;//ÓÃÀ´¼Ç¼ÕæÕýÊäÈëµÄÃÜÂëµÄ¸öÊý uchar mimatemp[5]; init_12864(); lcd_pos(0,2); write_string("welcom!!"); delay1ms(2); lcd_pos(1,0); write_string("PSW:"); write_cmd(0x0f);//´ò¿ª¹â±ê f3: while(1) { i=0; if(inputtimes>=1)//ÊäÈë´íÎóºóµÄ΢µ÷ÎÊÌâ { lcd_pos(1,2); write_string(" "); lcd_pos(1,2); } while(1) { f: num=keyscan(); if(num!=0xff) { if(num==15)//¶¨ÒåΪȷÈÏ break; if(num==16)//Õâ¸öËã·¨¿ÉÒÔʵÏֶಽÍ˸ñ { i--;//±íʾǰÃæÊäÈëµÄÊý¾ÝÎÞЧ lcd_pos(1,2); write_string(" "); lcd_pos(1,2); if(i==-1)//±ÜÃâ¶à´Î°´ÏÂÔì³Ébug i=0; for(itouch=0;itouch<i;itouch++) write_string("*"); goto f; } if(num==14)//±íʾҪÐÞ¸ÄÃÜÂë { flaggaimima = 1; break; } if(num!=16)//16¶¨ÒåΪ»Ø³µ£¬Ïû³ýÇ°ÃæÒ»¸öÊý¾Ý { mimatemp[i]=num; i++; length = i; write_string("*"); //write_date(num+0x30); } } } if(flaggaimima==1) { flaggaimima = 0; while(1) { f1: num=keyscan(); if(num!=0xff) { if(num==15)//¶¨ÒåΪȷÈϱíʾÐÞ¸ÄÃÜÂë½áÊø { lcd_pos(1,2); write_string(" "); lcd_pos(1,2); break; } if(num==16)//Õâ¸öËã·¨¿ÉÒÔʵÏֶಽÍ˸ñ { i--;//±íʾǰÃæÊäÈëµÄÊý¾ÝÎÞЧ lcd_pos(1,2); write_string(" "); lcd_pos(1,2); if(i==-1)//±ÜÃâ¶à´Î°´ÏÂÔì³Ébug i=0; for(itouch=0;itouch<i;itouch++) write_string("*"); goto f1; } if(num!=16)//16¶¨ÒåΪ»Ø³µ£¬Ïû³ýÇ°ÃæÒ»¸öÊý¾Ý { mima[i]=num; i++; length = i; write_string("*"); //write_date(num+0x30); } } } goto f3 ;//±íʾÖØпªÊ¼ } flag = 1; if(length == sizeof(mima))//±È½ÏÊäÈëµÄÃÜÂëÊÇ·ñÒ»Ñù { for(i=0;i<length;i++) { flag=flag&&(mimatemp[i]==mima[i]); //write_date(mimatemp[i]+0x30); } } else { flag=0; } if(flag ==1)//Èç¹û±ê־λµÈÓÚ1£¬±íʾ¿ªËø³É¹¦ { flagkaimeng = 1;//±íʾ´ò¿ª²½½øµç»úµÄ±íʾλÆô¶¯ lcd_pos(2,1); write_string(" "); lcd_pos(2,2); write_string("open!"); write_cmd(0x0c); break;//ͬʱÌø³öÑ»· } else //·ñÔòµÄ»°£¬±íʾ¿ªËøʧ°Ü { lcd_pos(2,1); write_string("error,again!"); inputtimes++; if(inputtimes==3) { lcd_pos(2,1); write_string("error 3 times!"); write_cmd(0x0c); feng(); } } } if(flagkaimeng==1)//¿ªÃųɹ¦µÄ²Ù×÷ { write_cmd(0x01); lcd_pos(1,2); write_string("³öÈëƽ°²£¡"); lcd_pos(2,2); write_string("»¶Ó»Ø¼Ò£¡"); JDQ(); } while(1); }
12864.c
#include"12864.h" #include<reg52.h> sbit lcdrs = P2^4;//Êý¾Ý»¹ÊÇÖ¸ÁîÑ¡Ôñ¶Ë¿Ú sbit lcdwr = P2^5;//¶ÁдѡÔñ¶Ë¿Ú sbit lcden = P2^6;//ʹÄÜ¶Ë¿Ú sbit PSB = P2^1;//´®²¢¿ÚÑ¡Ôñ¶Ë¿Ú /*uchar code table1[]={"Welcome!!"}; uchar code table2[]={"Psw:"}; uchar code table3[] ={"Open"}; uchar code table4[] ={"Error try again!"}; uchar code table5[] ={"Error 3 times!!"};*/ unsigned char code pic1[] = { 0x01, }; void delay1ms(uint x)//ÑÓʱº¯Êý { uint i,j; for(i= x;i>0;i--) for(j=110;j>0;j--); } void write_cmd(uchar cmd)//дָÁÊý { lcdrs = 0; lcdwr = 0; P0 = cmd; lcden = 1; delay1ms(5);// lcden = 0; } void write_date(uchar date)//дÊý¾Ýº¯Êý { lcdrs = 1; lcdwr = 0; P0 = date; lcden = 1; delay1ms(5);// lcden = 0; } void write_string(uchar *str)//дÈë×Ö·û´®º¯Êý { for(;*str!=' ';str++) { write_date(*str); delay1ms(2); } } void init_12864() { PSB = 1;//²¢¿Ú·½Ê½´«ËÍÊý¾Ý write_cmd(0x30);//»ù±¾Ö¸Áî²Ù×÷ write_cmd(0x0c);//¿ªÏÔʾ£¬¹Ø¹â±ê write_cmd(0x01);//Çå³ýlcdµÄÏÔʾÄÚÈÝ } void lcd_putpic(unsigned char code *img)//»Í¼º¯Êý { uint i,j; //»Í¼Éϰ벿·Ö for(i = 0;i<32;i++) { write_cmd(0x80+i);// write_cmd(0x80);// for(j=0;j<16;j++) { write_date(*img); img++; } } //»Ï²¿·ÖµÄÆÁÄ» for(i = 0;i<32;i++) { write_cmd(0x80+i);//É趨ÁÐ write_cmd(0x88);//´ÓµÚÈýÐпªÊ¼»Í¼ for(j=0;j<16;j++) { write_date(*img); img++; } } } void setpic()//É趨»Í¼¹¦Äܵĺ¯Êý { write_cmd(0x36);//É趨»Í¼Æä»Í¼¹¦ÄÜ delay1ms(5); } void lcd_pos(uchar x,uchar y)//É趨ÏÔʾλÖõĺ¯Êý { uchar pos; if(x==0) x=0x80; else if(x==1) x=0x90; else if(x==2) x=0x88; else if(x==3) x=0x98; pos=x+y; write_cmd(pos); }
keyscan.c
#include<reg52.h> #include "12864.h" uchar num,num1,temp; uchar keyscan() { P3 = 0xfe;//1111 1110 temp = P3; temp = temp&0xf0;//11110000 while(temp!=0xf0)//?????? { delay1ms(5);//????P3? temp = P3; temp = temp&0xf0; while(temp!=0xf0) { temp = P3; switch(temp) { case 0x7e:num = 1; break; case 0xbe:num = 2;//10 break; case 0xde:num = 3;//11 break; case 0xee:num = 4;//110 break; } while(temp!=0xf0)//???? { temp = P3; temp = temp&0xf0; } return num; } } P3 = 0xfd;//1111 1101 temp = P3; temp = temp&0xf0;//11110000 while(temp!=0xf0)//?????? { delay1ms(5);//????P3? temp = P3; temp = temp&0xf0; while(temp!=0xf0) { temp = P3; switch(temp) { case 0x7d:num = 5;//101 break; case 0xbd:num = 6;//110 break; case 0xdd:num = 7;//111 break; case 0xed:num = 8;//1000 break; } while(temp!=0xf0)//???? { temp = P3; temp = temp&0xf0; } return num; } } P3 = 0xfb;//1111 1011 temp = P3; temp = temp&0xf0;//11110000 while(temp!=0xf0)//?????? { delay1ms(5);//????P3? temp = P3; temp = temp&0xf0; while(temp!=0xf0) { temp = P3; switch(temp) { case 0x7b:num = 9;//1001 break; case 0xbb:num = 10;//10 break; case 0xdb:num = 11;//11 break; case 0xeb:num = 12;//12 break; } while(temp!=0xf0)//???? { temp = P3; temp = temp&0xf0; } return num; } } P3 = 0xf7;//1111 0111 temp = P3; temp = temp&0xf0;//11110000 while(temp!=0xf0)//?????? { delay1ms(5);//????P3? temp = P3; temp = temp&0xf0; while(temp!=0xf0) { temp = P3; switch(temp) { case 0x77:num = 13;//13 break; case 0xb7:num = 14;//14 break; case 0xd7:num = 15;//15 break; case 0xe7:num = 16;//16 break; } while(temp!=0xf0)//???? { temp = P3; temp = temp&0xf0; } return num; } } return 0xff; }
baojin.c
#include<reg52.h> #include"baojin.h" #include"12864.h" sbit jdq = P1^0; sbit led = P1^1; sbit fen = P1^2; void feng() { while(1) { delay1ms(10); fen = ~fen; } } void JDQ() { led = 0; jdq = 1;//´ò¿ª¼ÌµçÆ÷ } void step() { unsigned int i; while(1) { P1 = 0x01; for(i=0;i<510;i++); P1 = 0x02; for(i=0;i<510;i++); P1 = 0x04; for(i=0;i<510;i++); P1 = 0x08; for(i=0;i<510;i++); } }
12864.h
#ifndef __12864_H__ #define _12864_H__ #include<reg52.h> #define uint unsigned int #define uchar unsigned char /*extern uchar code table1[] ; extern uchar code table2[] ; extern uchar code table3[] ; extern uchar code table4[] ; extern uchar code table5[] ;*/ extern unsigned char code pic1[]; void delay1ms(uint x);//ÑÓʱº¯Êý void write_cmd(uchar cmd);//дָÁÊý void write_date(uchar date);//дÊý¾Ýº¯Êý void init_12864(); void lcd_putpic(unsigned char code *img);//»Í¼º¯Êý void setpic();//É趨»Í¼¹¦Äܵĺ¯Êý void lcd_pos(uchar x,uchar y);//É趨ÏÔʾλÖõĺ¯Êý void write_string(uchar *str); #endif
baojin.h
#ifndef __BAOJIN_H__ #define __BAOJIN_H__ void feng(); void step(); void JDQ();//¼ÌµçÆ÷¿ªÆô¿ª¹Ø #endif
至于复杂的版本呢，大家可以在12864.c上进行添加
注意这里还有4个警告，是因为有几个画图的函数我没有调用，为的是让大家能够在本程序的基础上进行添加
豪华版本：http://download.csdn.net/detail/generoius/6404009
版权所有，转载请注明链接地址http://www.cnblogs.com/fengdashen/p/3357651.html