X-Git-Url: https://zdv2.bktei.com/gitweb/EVA-2020-02-2.git/blobdiff_plain/2d9581bb732a9281a5a40944706ceefdf21f6b97..4bb1de200af34000c9447c09f1fee02dbe72b98a:/examples/compensated-temperature.py diff --git a/examples/compensated-temperature.py b/examples/compensated-temperature.py index 7d0d0f1..b648f57 100755 --- a/examples/compensated-temperature.py +++ b/examples/compensated-temperature.py @@ -1,4 +1,4 @@ -#!/usr/bin/env python +#!/usr/bin/env python3 import time from bme280 import BME280 @@ -8,7 +8,14 @@ try: except ImportError: from smbus import SMBus -print("""compensated-temperature.py - Use the CPU temperature +import logging + +logging.basicConfig( + format='%(asctime)s.%(msecs)03d %(levelname)-8s %(message)s', + level=logging.INFO, + datefmt='%Y-%m-%d %H:%M:%S') + +logging.info("""compensated-temperature.py - Use the CPU temperature to compensate temperature readings from the BME280 sensor. Method adapted from Initial State's Enviro pHAT review: https://medium.com/@InitialState/tutorial-review-enviro-phat-for-raspberry-pi-4cd6d8c63441 @@ -31,9 +38,9 @@ def get_cpu_temperature(): # Tuning factor for compensation. Decrease this number to adjust the # temperature down, and increase to adjust up -factor = 0.8 +factor = 2.25 -cpu_temps = [0] * 5 +cpu_temps = [get_cpu_temperature()] * 5 while True: cpu_temp = get_cpu_temperature() @@ -42,5 +49,5 @@ while True: avg_cpu_temp = sum(cpu_temps) / float(len(cpu_temps)) raw_temp = bme280.get_temperature() comp_temp = raw_temp - ((avg_cpu_temp - raw_temp) / factor) - print("Compensated temperature: {:05.2f} *C".format(comp_temp)) + logging.info("Compensated temperature: {:05.2f} *C".format(comp_temp)) time.sleep(1.0)