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單片機(jī)電子密碼鎖子程序

作者: 時間:2016-11-30 來源:網(wǎng)絡(luò) 收藏

仿真文件和完整源碼下載地址:http://www.51hei.com/bbs/dpj-22586-1.html
論文下載地址:http://www.51hei.com/f/電子密碼鎖論文最終稿.docx
下面是mima.c子程序:

本文引用地址:http://m.butianyuan.cn/article/201611/323838.htm

#include
#include "mima.h"
#include "1602.h"
#include "adclass=0&app_id=0&c=news&cf=1001&ch=0&di=128&fv=17&is_app=0&jk=43258ce73f1bca35&k=%BE%D8%D5%F3&k0=%BE%D8%D5%F3&kdi0=0&luki=1&n=10&p=baidu&q=98059059_cpr&rb=0&rs=1&seller_id=1&sid=35ca1b3fe78c2543&ssp2=1&stid=0&t=tpclicked3_hc&tu=u1831118&u=http%3A%2F%2Fwww%2E51hei%2Ecom%2Fmcu%2F2085%2Ehtml&urlid=0" id="5_nwl" mpid="5" target="_blank">矩陣鍵盤.h"
#include "delay_ms.h"

/*比較密碼函數(shù),密碼正確返回1,不正確返回0*/

bitmimaduibi(unsigned char *string1,unsigned char *string2)
{
unsigned char count;
for(count = 0; count < 6; count++)
{
if(string1[count] != string2[count])
return 0;
}
return 1;
}

/*選擇輸入密碼或修改密碼函數(shù),輸入密碼返回A,修改密碼返回B*/

unsigned char step_choose(void)//選擇輸入密碼或修改密碼處理函數(shù)
{
uchar key;
key = 0xff;
write_com(0x06);//寫一個字符后地址指針加 1
write_com(0x01);//顯示清零,數(shù)據(jù)指針清零
lcd_pos(0,0);
write_n_char(" Input password ");
lcd_pos(1,0);
write_n_char(" Press key A ");
while((key != A) && (key != B))
key = keyscan();
return key;
}
/*輸入密碼函數(shù),密碼正確返回1,錯誤返回0*/

bitinput_mima(uchar * mima)//輸入密碼函數(shù)
{
unsigned char count,key;
lcd_pos(1,0);
for(count = 0; count < 7; count++)
{
delay_ms(100);
if(count < 6)
{
do{key = keyscan();}//掃描鍵盤
while(key == 0xff);
if((key != backspace) && (key != A) && (key != enter))//不是退格也不是確認(rèn)鍵
{
write_data(*);//是數(shù)字鍵顯示*
mima[count] = key;
//continue;
}
if(key == backspace)//是退格鍵
{
if(count > 0)
{
lcd_pos(1,--count);//光標(biāo)前移一位
write_data( );//清空一位
mima[count] = ;//寫空
lcd_pos(1,count);
count--;//密碼計數(shù)器減一 ,因為循環(huán)后會+1,所以在這里要加1
}
}
if(key == enter)//沒完成密碼輸入返回錯誤信息
{
lcd_pos(0,0);
return(0);
}
}
if(count==6)
{
do{key = keyscan();}
while((key != backspace)&&(key != enter));
if(key == backspace)
{
lcd_pos(1,--count);
write_data( );
mima[count]= ;
lcd_pos(1,count);
count--;
}
if(key == enter)//密碼位數(shù)正確
{
return(1);//返回1正確信號
}
}
}

}



關(guān)鍵詞: 單片機(jī)電子密碼

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