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@evfairchild evfairchild/tempRead.py Secret
Created Aug 20, 2015

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import os
import glob
import time
os.system('modprobe w1-gpio')
os.system('modprobe w1-therm')
def read_temp_raw():
f = open(device_file, 'r')
lines = f.readlines()
f.close()
return lines
def read_temp():
lines = read_temp_raw()
while lines[0].strip()[-3:] != 'YES':
time.sleep(0.2)
lines = read_temp_raw()
equals_pos = lines[1].find('t=')
if equals_pos != -1:
temp_string = lines[1][equals_pos+2:]
temp_c = float(temp_string) / 1000.0
temp_f = temp_c * 9.0 / 5.0 + 32.0
return temp_c, temp_f
if __name__ == "__main__":
probes = {'Evaporator': '28-0000061543fd', 'Compressor': '28-000006151b77', 'Case': '28-000006156310',
'Ambient': '28-0000061529d3'}
base_dir = '/sys/bus/w1/devices/'
while True:
for device in probes.items():
device_folder = glob.glob(base_dir + device[1])[0]
device_file = device_folder + '/w1_slave'
print device[0], read_temp()
time.sleep(5)
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