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- import os
- import glob
- import time
- 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'
- 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
- print(read_temp())
- time.sleep(1)
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