aaa.rar_矩阵密码锁

uchar key; PORTA=0x00; DDRA=0xf0; PORTB=0x00; DDRB=0x00; PORTC=0x00; DDRC=0x00; PORTD=0x00; DDRD=0x00; lcd_init(16); lcd_clear(); #define uchar unsigned char uchar keyscan(void); void set_pw(void); void reset(uchar mark); void check_pw(void); uchar pw[6]={0,0,0,0,0,0},pw_temp[6]={0,0,0,0,0,0}; bit set_flag=0; key=keyscan(); if(key!=0xff) { delay_ms(10); if(key==13) { set_pw(); set_flag=1; } else { lcd_clear(); check_pw(); } } else { lcd_gotoxy(0,0); lcd_putsf("Welcome"); lcd_gotoxy(0,1); lcd_putsf("Press any key"); } } } void check_pw(void) //密码比对 { uchar key=0xFF,count=0,pw_temp2[6]; bit q_flag=0; while(q_flag==0) { lcd_clear(); lcd_gotoxy(0,0); lcd_putsf("Present PW:"); //显示字符串"Present PW:" lcd_gotoxy(0,1);