from keypad import*
from lcdi2c import*
from utime import sleep
password="12345678" #set password
pass_temp=''  # buffer for key in password
lcd_start()
string_write("start")
while 1:
    key=getkey() # read from keypad
    if key!=0:  # if key is press
        print("key press is:",key)
        if key=='A':
            cmd_wrt(0xc0)
            string_write('hiii')
        elif key=='C':
            cmd_wrt(0x01)
            pass_temp=''
        elif key=='D':
            if pass_temp==password:
                cmd_wrt(0x01)
                cmd_wrt(0xc0)
                string_write('correct pass')
            else:
                cmd_wrt(0x01)
                cmd_wrt(0xc0)
                string_write('wrong pass')
            pass_temp='' #clear password buffer
        else:
            pass_temp+=key #add key to pass_temp
            print('pass_temp:',pass_temp)
            cmd_wrt(0x01)
            cmd_wrt(0xc0)
            print('pass:',pass_temp)
            for k in pass_temp:
                string_write('*')
        
    sleep(0.1)