import machine 
from machine import SoftI2C, Pin 

from lcd_api import LcdApi 
from i2c_lcd import I2cLcd
from ssd1306 import SSD1306_I2C

from time import sleep

import dht
sensor = dht.DHT22(Pin(12))

I2C_ADDR_LCD = 0x27
I2C_ADDR_OLED = 0x3c
oled_width = 128
oled_height = 64 
lcd_Rows = 2 
lcd_Columns = 16

i2c = SoftI2C(scl=Pin(22), sda=Pin(21), freq=10000) 	#I2C method for ESP32 

lcd = I2cLcd(i2c, I2C_ADDR_LCD, lcd_Rows, lcd_Columns)
oled = SSD1306_I2C(oled_width, oled_height, i2c, I2C_ADDR_OLED)
'''
lcd.move_to(1,0)
lcd.putstr("ESP32 with LCD")
'''
oled.text('ESP32 with OLED', 3, 6, 1)
oled.show()

while True:
  try:
    sleep(2)
    sensor.measure()
    temp = sensor.temperature()
    hum = sensor.humidity()
    temp_f = temp * (9/5) + 32.0
    print('Temperature in C: ',temp,'T')
    print('Temperature in F: ',temp_f,'F')
    print('Humidity in %: ',hum,'%')
    print('')
    
    lcd.move_to(1,0)
    lcd.putstr('room temp:'+str(temp)+'C')
    lcd.move_to(0,1)
    lcd.putstr('hum:'+str(hum)+'%')
    '''
    lcd.move_to(0,1)
    lcd.putstr('room temp:'+str(temp)+'C')
    lcd.move_to(0,2)
    lcd.putstr('room temp:'+str(temp_f)+'F')
    lcd.move_to(0,3)
    lcd.putstr('hum:'+str(hum)+'%')
    '''

    oled.text('Temp in C:'+str(temp)+'C', 0, 26, 1)
    oled.text('Temp in F:'+str(temp_f)+'F', 0, 36, 1)
    oled.text('Humidity:'+str(hum)+'%', 0, 46, 1)
    oled.show()
    oled.fill(0)    #refresh the screen
  except OSError as e:
    print('Failed to read sensor.')