Real Time GPS Tracking on Google maps using Raspberry Pi and Thinkspeak Cloud :: Raspberry Pi send GPS value to the Thinkspeak cloud for every 60 seconds and a javascript will fetch data from cloud and post it on Google Maps

GPS_API.py

# This File consists of API calls for the GPS Parsing Functionality.This section parse the GPS values from the GPS Module.
# pynmea2 is Python library for parsing the NMEA 0183 protocol (GPS). To get that thing : pip install pynmea2

import threading
import pynmea2
import os

class Message:
    def __init__(self):
        self.msg =''

# Gps Receiver thread funcion, check gps value for infinte times
def getgpsdata(serial, dmesg):
    print("getgpsdata")
    while True:
        data = serial.readline()
        if data.find('GGA') > 0:
            dmesg.msg = pynmea2.parse(data)

# API to call start the GPS Receiver
def start_gps_receiver(serial, dmesg):
    t2 = threading.Thread(target=getgpsdata, args=(serial, dmesg))
    t2.start()
    print("GPS Receiver started")

# API to fix the GPS Revceiver
def ready_gps_receiver(msg):
    print("Please wait fixing GPS .....")
    dmesg = msg.msg
    while(dmesg.gps_qual != 1):
        pass
    print("GPS Fix available")

# API to get latitude from the GPS Receiver
def get_latitude(msg):
    print("Getting Latitude")
    dmesg = msg.msg
    print("Latitude:", dmesg.latitude)

# API to get longitude from the GPS Receiver
def get_longitude(msg):
    print("Getting Longitude")
    dmesg = msg.msg
    print("Longitude:", dmesg.longitude)

# API to get Number of Satellites from the GPS Receiver
def get_num_satellite(msg):
    print("Getting Number of satellite")
    dmesg = msg.msg
    print("No of satellites:", dmesg.num_sats)

# API to get Altitude of Antenna from the GPS Receiver
def get_altitude(msg):
    print("Getting altitude of Antenna")
    dmesg = msg.msg
    print("Altitude (M):", dmesg.altitude)

# API to check the status of GPS Fix
def get_gps_fix(msg):
    dmesg = msg.msg
    print("GPS Fix stats:", dmesg.gps_qual)

# API to Exit
def function_exit(msg):
    print("Exiting ......")
    print("stopping the thread")
    exit()
    return 1

GPS_data_to__Thinkspeak.py

# This File will upload the GPS cordinates (ie, Lat and Long) to the Thingspeak IoT Platform
# Provide your Thingspeak Write API key in the section provided below
# pynmea2 is Python library for parsing the NMEA 0183 protocol (GPS). To get that thing : pip install pynmea2
# Run this program on Raspberry Pi

import httplib, urllib
import time,random
import threading, os, time, pynmea2
from GPS_API import *
import serial, string
ser = serial.Serial("/dev/ttyAMA0")  # Select your Serial Port
ser.baudrate = 9600  # Baud rate
ser.timeout = 50
sleep = 60 # how many seconds to sleep between posts to the channel

key = '<Your Thinkspeak channel Key>'  # Thingspeak Write API Key
msgdata = Message() # Creates a Message Instance
 
# This Function will upload Latitude and Longitude values to the Thingspeak channel
def upload_cloud():
        temp = get_latitude(msgdata.msg)
        temp1 = get_longitude(msgdata.msg)
        params = urllib.urlencode({'field1': temp,'field2': temp1, 'key':key })
        headers = {"Content-typZZe": "application/x-www-form-urlencoded","Accept" : "text/plain"}
        conn = httplib.HTTPConnection("api.thingspeak.com:80")
        try:
            conn.request("POST", "/update", params, headers)
            response = conn.getresponse()
            print("Lat:",temp)
            print("Long:",temp1)
            print response.status, response.reason
            data = response.read()
            conn.close()
        except:
            print "connection failed"

if __name__ == "__main__":

        start_gps_receiver(ser, msgdata)
        print(msgdata.msg)
        time.sleep(2)
        ready_gps_receiver(msgdata)
        while True:
                upload_cloud()
                time.sleep(sleep)

Index.html

<! Reference : https://github.com/vikkey321/Display-Thingspeak-GPS-data-on-Google-Map-from-ESP12E-and-Neo-6M-GPS/blob/master/index.html >
<! Replace your THINSPEAK CHANNEL ID, THINSPEAK READ API KEY and GOOGLE MAPS API KEY >
<!DOCTYPE html>
<html>
  <head>
    <title>shiyaztech</title>
    <meta name="viewport" content="initial-scale=1.0, user-scalable=no">
    <meta charset="utf-8">
    <style>
      /* Always set the map height explicitly to define the size of the div
       * element that contains the map. */
      #map {
        height: 100%;
      }
      /* Optional: Makes the sample page fill the window. */
      html, body {
        height: 100%;
        margin: 0;
        padding: 0;
      }
    </style>
    <script src="https://maps.googleapis.com/maps/api/js?key=YOUR_Google_MAPS_API_KEY"></script>
    <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.1.1/jquery.min.js"></script>
    <script>

      var map;
        var x;
        function loadmaps(){
            $.getJSON("https://api.thingspeak.com/channels/THINKSPEAK_CHANNEL_ID/fields/1/last.json?api_key=THINKSPEAK_API_KEY", function(result){
        	
            var m = result;
            x=Number(m.field1);
                           //alert(x);

        });
            $.getJSON("https://api.thingspeak.com/channels/THINKSPEAK_CHANNEL_ID/fields/2/last.json?api_key=THINKSPEAK_API_KEY", function(result){
        	
            var m = result;
            y=Number(m.field2);
                
                
        }).done(function() {
            
                initialize();
    });
            
        }
        window.setInterval(function(){
        loadmaps();
            }, 9000);
      function initialize() {
          //alert(y);
        var mapOptions = {
          zoom: 18,
          center: {lat: x, lng: y}
        };
        map = new google.maps.Map(document.getElementById('map'),
            mapOptions);

        var marker = new google.maps.Marker({
          position: {lat: x, lng: y},
          map: map
        });

        var infowindow = new google.maps.InfoWindow({
          content: '<p>Marker Location:' + marker.getPosition() + '</p>'
        });

        google.maps.event.addListener(marker, 'click', function() {
          infowindow.open(map, marker);
        });
      }

      google.maps.event.addDomListener(window, 'load', initialize);
    </script>
  </head>
  <body>
    <div id="map"></div>
  </body>
</html>

sir im have a problem on parsing the data

Please wait fixing GPS .....
GPS Fix available
Getting Latitude
Traceback (most recent call last):
File "GPS_data_to__Thinkspeak.py", line 40, in
upload_cloud()
File "GPS_data_to__Thinkspeak.py", line 17, in upload_cloud
temp = get_latitude(msgdata.msg)
File "/home/pi/Desktop/thinkspeakGPS/GPS_API.py", line 37, in get_latitude
dmesg = msg.msg
File "/usr/local/lib/python2.7/dist-packages/pynmea2/nmea.py", line 155, in getattr
raise AttributeError(name)
AttributeError: msg

Hello @BogartPoe Did you solve your problem? I encountered the same error as yours. If you have solved this kindly post your solution here. Thanks!

For those that are still trying this codes and are getting errors, i have updated his codes here https://gist.github.com/dextersiah/68949d78fff5e6a03c6be575f9882e2a

For those that are still trying this codes and are getting errors, i have updated his codes here https://gist.github.com/dextersiah/68949d78fff5e6a03c6be575f9882e2a

Link doesn't work

U can get it here here