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import bme280
from smbus import SMBus
import time
port = 1
address = 0x76 # BME280 address
bus = SMBus(port)
bme280.load_calibration_params(bus,address)
altitude = 97
def bme280Read():
bme280_data = bme280.sample(bus,address)
humidity = bme280_data.humidity
relPressure = bme280_data.pressure
ambient_temperature = bme280_data.temperature
absPressure = relPressure + (altitude/8.3)
#print(humidity, pressure, ambient_temperature)
# TODO calculate air pressure at sea level
return bme280_data.humidity, bme280_data.pressure, bme280_data.temperature, absPressure
# test loop
"""
while True:
bme280Read()
time.sleep(1)
"""
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