from machine import Pin ,SoftI2C,ADC
import time
import dht
from ssd1306 import SSD1306_I2C
i2c = SoftI2C(scl=Pin(22),sda=Pin(21),freq=400000)
width , height = 128 , 64
oled = SSD1306_I2C(width , height , i2c ) #tkhadmha
capteur = dht.DHT22(Pin(14))
light_capteur = ADC(12)
sys = Pin(17 , Pin.IN ,Pin.PULL_UP)

oled.invert(True)#t9leb el couleur t3 el ecrant
#oled.text('toutou', w , h)   #bech nankteb al ecrant
while 1 :
    reading = sys.value()
    print("systhem off")
    while reading == 1 :
        
        reading = sys.value()
        print("systhem on")
        if reading== 0: break
        t = capteur.temperature()
        h = capteur.humidity()
        l = light_capteur.read_u16()#unsining 2**16=65535()el capteur hatha ma3moul bch y9iis el dhleem ken nheb n9iss el dhaw nwaliw namlou 65535 - el valeur t3na
        l = int(l*(100/65535))
        
        oled.text(f'temp :{t}c',10,10)
        oled.text(f'hum :{h}%',10,30)
        oled.text(f'light :{l}%',10,50)
        oled.show()
        time.sleep_ms(10)
        oled.fill(0)
        if (l < 30) :
            oled.invert(True)
        else :
            oled.invert(False)
        

#/ tatiik bel fassel // tatik entie

#ay heja tet3ewed fiil sec 9adeh men marra andha fréquance
#protocole de communication de iot : I2C / SPI / UART
#mesure testamal AO  / etat testamal  DO