#!/usr/bin/env python
import os
import glob
from time import sleep
os.system('modprobe w1-gpio')
os.system('modprobe w1-therm')
base_dir = '/sys/bus/w1/devices/'
device_folder = glob.glob(base_dir + '28*')[0]
device_file = device_folder + '/w1_slave'
# read raw data
def read_temp_raw():
f = open(device_file, 'r')
lines = f.readlines()
f.close()
return lines
# get temprature from raw data
def read_temp():
lines = read_temp_raw()
while lines[0].strip()[-3:] != 'YES':
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
return temp_c
try:
while True:
print(read_temp())
sleep(1)
except KeyboardInterrupt:
pass
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