main.c.new

单片机密码-24c01-12864-4x4按键扫描 初始密码是123456,按#确认 进入后,按*修改密码

#include <reg52.h>
#include "LCD12864.h"
#include "key.h"
#include"IIC.h"

unsigned char keytempt=0,i=0,flag=0,k,j=0;
unsigned char string[8];
unsigned char iicmima[6]=
{
    '2','2','3','4','5','6'
}
;
unsigned char temp[6];
unsigned char readk[6];
unsigned char init_mima[1]=
{
    'A'
}
;
unsigned char check_mima[1];
unsigned char mima[7]=
{
    '0','1','2','3','4','5','6'
}
;
//unsigned char flag=0;
unsigned char flag123=0;

int main(void)
{
    flag123=0;
    P3=0x0F;
    lcd_init();
	/* 
    RdFromROM(check_mima,0,1);
    if(check_mima[0]!='A')
    {
        
        
        WrToROM(init_mima,0,1);
        delay(200);
        WrToROM(iicmima,1,6);
    }
    print_str(0,4,"输6位密码#号结束",0);
    print_str(0,0,"有问题请联系作者",0);
    print_str(0,2,"[e-mail]",0); 
	*/ 
    while(1)
    {
        ///*
        keytempt=kbscan();
        if(flag123==0)
        {
            if(keytempt!=0)
            {
                if((i!=6 )&&(keytempt!='*')&&(keytempt!='#'))
                {
                    
                    string[i]=keytempt;
                    i++; 		
                    print_str(0,6,string,0);
                    
                }
            }
            
            if(keytempt=='#')
            {
                
                for(k=0;k<7;k++)
                {
                    readk[k]=string[k];
                }
                
                delay(100);
                RdFromROM(temp,1,6);	  
                if(
                (readk[0]==temp[0])
                &&(readk[1]==temp[1])
                &&(readk[2]==temp[2])
                &&(readk[3]==temp[3])
                &&(readk[4]==temp[4])
                &&(readk[5]==temp[5])
                )
                {
                    flag123=1;
                    i=0;
                    print_str(0,4,"密码 OK 欢迎使用",0);
                    print_str(0,6,"修改密码请按*键",0);
                    for(k=0;k<7;k++)
                    {
                        string[k]=' ';
                    }
                }
                else
                {
                    print_str(0,4,"密码错误重新输入",0);
                    
                    print_str(0,6,"                ",0);
                    for(k=0;k<7;k++)
                    {
                        string[k]=' ';
                    }
                }		 
                i=0; 
            }
        }
        //if(flag==1)
        else
        {
            i=0;
            keytempt=kbscan();
            
            if((keytempt=='*')&&(i==0))
            {
                
                //print_str(0,4,"输入要修改的密码",0);
                print_str(0,4,"输6位新密码#结束",0);
                print_str(0,6,"                ",0);
                //if((i!=6 )&&(keytempt!='*')&&(keytempt!='#'))
                if(keytempt!=0)
                {
                    if(i!=6)
                    {
                        
                        string[i]=keytempt;
                        i++; 		
                        print_str(0,6,string,0);
                        
                    }
                    if((keytempt=='#')&&(i==6))
                    {
                        
                        for(k=0;k<7;k++)
                        {
                            readk[k]=string[k];
                        }
                        
                        delay(100);
                        WrToROM(readk,1,6);
                        //RdFromROM(temp,1,6);
                        /*	  
                        if(
                        (readk[0]==temp[0])
                        &&(readk[1]==temp[1])
                        &&(readk[2]==temp[2])
                        &&(readk[3]==temp[3])
                        &&(readk[4]==temp[4])
                        &&(readk[5]==temp[5])
                        )
                        */
                        {
                            
                            print_str(0,4,"修改成功 欢迎使用",0);
                            print_str(0,6,"修改密码请按*键",0);
                            //for(k=0;k<7;k++)
                            {
                                //string[k]=' ';
                            }
                        }
                        /*
                        else
                        {
                            print_str(0,4,"密码错误重新输入",0);
                            
                            print_str(0,6,"                ",0);
                            for(k=0;k<7;k++)
                            {
                                string[k]=' ';
                            }
                        }
                        */		 
                        i=0; 
                    }
                }
            }
            
        }
    }	 
    return 0;
    
}