'''
    Demo Python GPIO on the MQ-Pro (requires a modified device tree)
    See: https://github.com/easytarget/MQ-Pro-IO/
    For install requirements requirements look at:
    - https://github.com/easytarget/MQ-Pro-IO/blob/main/GPIO-examples.md#python-demo
'''
from time import sleep
# oled libs
from luma.core.interface.serial import i2c
from luma.core.render import canvas
from luma.oled.device import ssd1306
# sensor libs
from smbus2 import SMBus
from bme280 import BME280

# Hardware
i2c_bus = 0
ssd1306_addr = 0x3c
bme280_addr = 0x76

# display init
serial = i2c(port=i2c_bus, address=ssd1306_addr)
device = ssd1306(serial)

# sensor init
bus = SMBus(i2c_bus)
bme280 = BME280(i2c_addr=bme280_addr, i2c_dev=bus)
bme280.setup()

while True:
    t = round(bme280.get_temperature(),1)
    h = round(bme280.get_humidity(),1)
    p = round(bme280.get_pressure())
    out = ' Temp: {}°\n Humi: {}%\n Pres: {}mb'.format(t,h,p)
    with canvas(device) as draw:
        draw.rectangle(device.bounding_box, outline="white", fill="black")
        draw.text((26, 12), out, fill="white")
    print(out.replace('\n',' : '))
    sleep(1)