from machine import Pin
from gpio_lcd import GpioLcd
import time
b=Pin(4, Pin.IN)
a=Pin(6, Pin.IN)
count=0
p=1
q=1
lcd = GpioLcd(rs_pin= Pin(15), enable_pin= Pin(14), d4_pin= Pin(13), d5_pin= Pin(12), d6_pin= Pin(11), d7_pin= Pin(10))
lcd.move_to(0,0)
lcd.putstr("PERSON COUNTER")
lcd.move_to(0,1)
lcd.putstr("TOTAL COUNT:")
while (1):
    c=b.value()
    d=a.value()
    if c==0:
        count+=1
        while(1):
            time.sleep(0.2)
            if b.value()==1:
                break
    if d==0:
        count-=1
        while(1):
            time.sleep(0.2)
            if a.value()==1:
                break
    if count<0:
        count =0
    elif count>99:
        count=99
    else:
        count=count
    lcd.move_to(13,1)
    lcd.putstr(str(count))
    time.sleep(0.2)