From: Phil Howard <phil@gadgetoid.com>
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

Switch temp comp method for #28
---

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