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import os
import glob
import time
from ISStreamer.Streamer import Streamer
streamer = Streamer(bucket_name="Temperature Stream", bucket_key="piot_temp_stream031815", access_key="PUT_YOUR_ACCESS_KEY_HERE")
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
return temp_c
while True:
temp_c = read_temp()
temp_f = temp_c * 9.0 / 5.0 + 32.0
streamer.log("temperature (C)", temp_c)
streamer.log("temperature (F)", temp_f)
time.sleep(.5)
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