temp log

# 'thermcron.sh'
# thermo cron job script

#!/bin/sh
python /root/thermo.py >> /root/hulk_log.csv



# 'thermo.py'
# script to get temp, convert to fahrenheit.
# output is '2015-12-20 17:04:02,83.75'

import os
import time
import sys
import datetime

os.system('modprobe w1-gpio')
os.system('modprobe w1-therm')

temp_sensor='/sys/bus/w1/devices/28-000006c83b77/w1_slave' # replace 28-000006c83b77 with serial of your DS18b20 temp sensor
ts = time.time()
st = datetime.datetime.fromtimestamp(ts).strftime('%Y-%m-%d %H:%M:%S')

def temp_raw():

    f = open(temp_sensor, 'r')
    lines = f.readlines()
    f.close()
    return lines


def read_temp():

    lines = temp_raw()
    while lines[0].strip()[-3:] != 'YES':
        time.sleep(0.2)
        lines = temp_raw()

    temp_output = lines[1].find('t=')

    if temp_output != -1:
        temp_string = lines[1].strip()[temp_output+2:]
        temp_c = float(temp_string) / 1000.0      # defines temp in celcius, in xx.xxxx format
        temp_f = temp_c * 9.0 / 5.0 + 32.0        # defines temp in fahrenheit, with respect to temp_c
        return temp_f



#while True:
#    print(read_temp()) ;   print(ts)
#    time.sleep(1)
#sys.exit(0)

if True:
    print(st + "," + str(read_temp()))   #output is 2015-12-20 17:04:02,83.75