from machine import I2C, Pin, ADC, PWM
from i2c_lcd import I2cLcd
import dht
import time
import math

p0 = Pin(2, Pin.OUT)
btv=Pin(3, Pin.IN)
btr=Pin(14, Pin.IN)
pot = ADC(28)
i2c = I2C(1, scl=Pin(7), sda=Pin(10), freq=400000)
lcd = I2cLcd(i2c, 0x27 , 2, 16)
sensor = dht.DHT22(Pin(22))
a=0

while(True):
    while(a==0):
        lcd.move_to(0,0)
        lcd.putstr('Devoir m.python ')
        lcd.move_to(0,1)
        lcd.putstr('BT rouge: suivan')
        time.sleep(1)
        lcd.move_to(0,0)
        lcd.putstr('Devoir m.python ')
        lcd.move_to(0,1)
        lcd.putstr('BT vert: sortir ')
        time.sleep (1)
        if(btr.value()==1):
            a=1
    while(a==1):
        sensor.measure()
        valpot = (pot.read_u16()/655.35)
        lcd.move_to(0,0)
        lcd.putstr("Pot :      " + str(valpot) + '   ')
        lcd.move_to(0,1)
        lcd.putstr("hum :      " + str(sensor.humidity()) + '     ')
        if valpot < sensor.humidity():
            p0.value (1)
        else: p0.value (0)
        if(btv.value()==1):
            a=0