import time
import _thread
from machine import Pin, ADC, I2C
from screen import Screen

light_adc = ADC(Pin(1))
light_adc.atten(ADC.ATTN_11DB)
light_adc.width(ADC.WIDTH_12BIT)

screen = Screen()

def read_light(samples=8):
    total = 0
    for _ in range(samples):
        total += light_adc.read()
        time.sleep_ms(5)
    return total // samples

def sensor_task():
    while True:
        raw = read_light()
        percent = int((raw / 4095) * 100)

        screen.clear()
        screen.display("Light Sensor", 15, 0)
        screen.display("Raw: {}".format(raw), 15, 20)
        screen.display("Level: {}%".format(percent), 15, 40)

        time.sleep(1)

_thread.start_new_thread(sensor_task, ())

print("Main thread running")