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temp_data.py
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temp_data.py
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#!/usr/bin/env python
import os
import time
import glob
import re
import subprocess
os.system( 'modprobe w1-gpio' )
os.system( 'modprobe w1-therm' )
base_dir = '/sys/bus/w1/devices/'
device_folder_in = glob.glob( base_dir + 'ID1' )[0]
device_file_in = device_folder_in + '/w1_slave'
device_folder_out = glob.glob( base_dir + 'ID2' )[0]
device_file_out = device_folder_out + '/w1_slave'
def read_temp_raw_in():
f = open(device_file_in, 'r')
lines_in = f.readlines()
f.close()
return lines_in
def read_temp_in():
lines_in = read_temp_raw_in()
while lines_in[0].strip()[-3:] != 'YES':
time.sleep(0.2)
lines_in = read_temp_raw_in()
equals_pos = lines_in[1].find('t=')
if equals_pos != -1:
temp_string = lines_in[1][equals_pos+2:]
temp_in = float(temp_string) / 1000.0
return temp_in
def read_temp_raw_out():
f = open(device_file_out, 'r')
lines_out = f.readlines()
f.close()
return lines_out
def read_temp_out():
lines_out = read_temp_raw_out()
while lines_out[0].strip()[-3:] != 'YES':
time.sleep(0.2)
lines_out = read_temp_raw_out()
equals_pos = lines_out[1].find('t=')
if equals_pos != -1:
temp_string = lines_out[1][equals_pos+2:]
temp_out = float(temp_string) / 1000.0
return temp_out
temp_in = read_temp_in()
temp_out = read_temp_out()
ts = time.strftime('%Y-%m-%d %H:%M:%S', time.localtime())
print 'Hora:{0}'.format( ts )
print 'Temperatura Interior: {0} C'.format( temp_in )
print 'Temperatura Exterior: {0} C'.format( temp_out )