TripSensr Codebase

README.txt

# TripSensor Install Info
 
# Getting BU353-S4 GPS Device Working on Raspberry Pi
# ************************************************************
sudo apt-get -y install gpsd gpsd-clients python-gps

# Change file with settings
nano /etc/default/gpsd

# Default settings for gpsd.
# change the options.
START_DAEMON="true"
GPSD_OPTIONS="/dev/ttyACM0"
DEVICES=""
USBAUTO="true"
GPSD_SOCKET="/var/run/gpsd.sock"

sudo /etc/init.d/gpsd restart
# Run GPS Test or run file above
cgps -s
pythin pollgps.py

# Install GPIO
https://pypi.python.org/pypi/RPi.GPIO
http://abyz.co.uk/rpi/pigpio/download.html

# *********************************************************
# DHT22 Install -- Maybe if the other script doesn't work??
#    Adafruit Library prone to errors apperently
# *********************************************************
sudo apt-get -y install build-essential python-dev
sudo git clone https://github.com/adafruit/Adafruit_Python_DHT.git 
cd Adafruit_Python_DHT
sudo python setup.py install

# CO2 Sensor - Get notSMB and install
mkdir /home/pi/notsmb && cd  /home/pi/notsmb
wget http://www.byvac.com/downloads/sws/notsmb_1_0.zip && unzip notsmb_1_0.zip
sudo python setup.py install
sudo apt-get install i2c-tools
#Add i2c-bcm2708 to /etc/modules
i2cdetect -y 1   # Nothing should show up at the moment

# SPI Dev
git clone https://github.com/doceme/py-spidev.git
sudo python setup.py install
sudo easy_install rpi.gpio

# MQTT
pip install paho-mqtt
pip3 install paho-mqtt

pollgps.py

#! /usr/bin/python
 
import os
from gps import *
from time import *
import time
import threading
import urllib2
import subprocess
from subprocess import call

print 'Setting System Time'
subprocess.call("sudo /home/pi/tripSensr/setTimeFromGPS.sh", shell=True)

gpsd = None
pingNet = None
 
os.system('clear')

def internetUp():
	try:
		response=urllib2.urlopen('http://google.com', timeout=1)
		#return True
		return "Up"
	except urllib2.URLError as err: pass
	#return False
	return "Down"
 
class pollGPSDevice(threading.Thread):
  def __init__(self):
    threading.Thread.__init__(self)
    global gpsd 
    gpsd = gps(mode=WATCH_ENABLE)
    self.current_value = None
    self.running = True
   
  def run(self):
    global gpsd
    while poll.running:
      gpsd.next()

if __name__ == '__main__':
  poll = pollGPSDevice()
  try:
    poll.start() 
    
    while True:

      os.system('clear')
      print
      print 'TripSensr Reading'
      print '----------------------------------------'
      print 'Latitude    ' , gpsd.fix.latitude
      print 'Longitude   ' , gpsd.fix.longitude
      print 'Time UTC    ' , gpsd.utc
      print 'Altitude (m)' , gpsd.fix.altitude
      #print 'eps         ' , gpsd.fix.eps
      #print 'epx         ' , gpsd.fix.epx
      #print 'epv         ' , gpsd.fix.epv
      #print 'ept         ' , gpsd.fix.ept
      print 'Speed (m/s) ' , gpsd.fix.speed
      print 'Climb       ' , gpsd.fix.climb
      print 'Track       ' , gpsd.fix.track
      #print 'Mode        ' , gpsd.fix.mode
      print '*****************************'
      print 'Humidity    ' , 0
      print 'Temperature ' , 0
      print 'N02         ' , 0
      print 'C02         ' , 0
      print '*****************************'
      print 'Last Photo: \t'
      print 'Internet Status: \t', internetUp()  
      print 'Logging State: \t', "Not Logging"
         
      #print
      #print 'sats        ' , gpsd.satellites
 
      time.sleep(5)
 
  except (KeyboardInterrupt, SystemExit):
    print "\nKilling Thread..."
    poll.running = False
    poll.join() 
  print "Done.\nExiting."

setTimeFromGPS.sh

date -s '01/01/2014 00:01'
sleep 1
pkill ntpd
pkill gpsd
gpsd -b -n -D 2 /dev/ttyUSB0
sleep 2
GPSDATE=`gpspipe -w | head -10 | grep TPV | sed -r 's/.*"time":"([^"]*)".*/\1/' | head -1`
echo $GPSDATE
date -s "$GPSDATE"
/usr/sbin/ntpd