allow temperature reads to converge a bit faster

[EVA-2020-02-2.git] / examples / compensated-temperature.py

diff --git a/examples/compensated-temperature.py b/examples/compensated-temperature.py
index 048eb804fde2096a7c170bef086a94d8258ec4d0..2733f56c756d43a2bcc1cf57a6eef085ed9f6117 100755 (executable)
--- a/examples/compensated-temperature.py
+++ b/examples/compensated-temperature.py
@@ -24,9 +24,8 @@ bme280 = BME280(i2c_dev=bus)
 
 # Get the temperature of the CPU for compensation
 def get_cpu_temperature():
 
 # Get the temperature of the CPU for compensation
 def get_cpu_temperature():

-    process = Popen(['vcgencmd', 'measure_temp'], stdout=PIPE)
+    process = Popen(['vcgencmd', 'measure_temp'], stdout=PIPE, universal_newlines=True)

     output, _error = process.communicate()
     output, _error = process.communicate()

-    output = output.decode()

     return float(output[output.index('=') + 1:output.rindex("'")])
 
 
     return float(output[output.index('=') + 1:output.rindex("'")])
 
 


@@ -34,7 +33,7 @@ def get_cpu_temperature():
 # temperature down, and increase to adjust up
 factor = 0.8
 
 # temperature down, and increase to adjust up
 factor = 0.8
 

-cpu_temps = [0] * 5
+cpu_temps = [get_cpu_temperature()] * 5

 
 while True:
     cpu_temp = get_cpu_temperature()
 
 while True:
     cpu_temp = get_cpu_temperature()