From: Phil Howard Date: Mon, 19 Aug 2019 09:52:04 +0000 (+0100) Subject: Switch temp comp method for #28 X-Git-Url: https://zdv2.bktei.com/gitweb/EVA-2020-02-2.git/commitdiff_plain/10d81356df22a2eff212caedac15c7f3dc16f026?ds=inline;hp=--cc Switch temp comp method for #28 --- 10d81356df22a2eff212caedac15c7f3dc16f026 diff --git a/examples/compensated-temperature.py b/examples/compensated-temperature.py index 048eb80..7d0d0f1 100755 --- a/examples/compensated-temperature.py +++ b/examples/compensated-temperature.py @@ -2,7 +2,6 @@ import time from bme280 import BME280 -from subprocess import PIPE, Popen try: from smbus2 import SMBus @@ -24,10 +23,10 @@ bme280 = BME280(i2c_dev=bus) # Get the temperature of the CPU for compensation def get_cpu_temperature(): - process = Popen(['vcgencmd', 'measure_temp'], stdout=PIPE) - output, _error = process.communicate() - output = output.decode() - return float(output[output.index('=') + 1:output.rindex("'")]) + with open("/sys/class/thermal/thermal_zone0/temp", "r") as f: + temp = f.read() + temp = int(temp) / 1000.0 + return temp # Tuning factor for compensation. Decrease this number to adjust the