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thermometer.py
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thermometer.py
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import os
import time
#import requests, json
os.system('modprobe w1-gpio')
os.system('modprobe w1-therm')
base_dir = '/sys/bus/w1/devices/28-0000058644fd'
device_file = base_dir + '/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
# url = "https://api.mlab.com/api/1/databases/temperature_raspberry/collections/data_rasp?apiKey=P1k7QvxL9EdwCVkpRJL6NqB-XX9peOlt"
#headers = {'content-type': 'application/json'}
#data = json.dumps({ "_id" : { "$oid" : "5710140ee4b06cd8db816809"}, 'celcius':temp_c, 'fahrenheit':temp_f})
#r = requests.post(url, data, headers=headers)
#print r.json
comand = '{"celcius":"'+str(temp_c)+'","farenheit":"'+str(temp_f)+'"}'
os.system('curl -i -X POST -H "Content-Type:application/json" -d '+comand+' https://api.mlab.com/api/1/databases/temperature_raspberry/collections/data_rasp?apiKey=P1k7QvxL9EdwCVkpRJL6NqB-XX9peOlt')
return temp_c, temp_f
while True:
print(read_temp())
time.sleep(1)