from machine import Pin
from time import sleep
from machine import ADC, Pin
import dht
from machine import Pin
from time import sleep
import time

sensor = HCSR04(trigger_pin=5, echo_pin=18, echo_timeout_us=10000)
i2c = I2C(scl=Pin(22), sda=Pin(21), freq=400000)
display = sh1106.SH1106_I2C(128, 64, i2c, Pin(16), 0x3c)
tim0 = Timer(0)
ON = 1
OFF = 0
led1 = Pin(13,Pin.OUT);led2 = Pin(12,Pin.OUT);led3 = Pin(14,Pin.OUT)
ldr = ADC(Pin(34))
ldr.atten(ADC.ATTN_11DB) #Full range: 3.3v
ldr.width(ADC.WIDTH_12BIT) # Resolutions 12 Bit
sensor = dht.DHT22(Pin(15))
    
while True:
    try:
        sleep(2)
        sensor.measure()
        temp = sensor.temperature()
        hum = sensor.humidity()
        temp_f = temp*(9/5)+32.0
        print('Temperature: %3.1f C' %temp)
        print('Temperature_F: %3.1f F' %temp_f)
        print('Humidity: %3.1f C' %hum)
        except OSError as e:
        print('Failed to read sensor.')

def mycallback1(timer):
    global data_ldr,volt_ldr,inlumi_ldr,distance,illumi,dis
    distance = sensor.distance_cm()
    data_ldr = ldr.read()
    volt_ldr = (3.3/4095)*data_ldr
    distance = round(distance,2)
    dis = str(distance)
    display.fill(0)
    display.text('Home Automation', 0, 5, 1)
    display.text('Dist =', 0, 40, 1)
    display.text(dis+'cm', 50, 40, 1)
    display.show()

tim0.init(period=1000, mode=Timer.PERIODIC, callback=mycallback1)

while True:
    led1.value(ON)