Marco Polo || Mega Route Logger

1/*
2  SD card datalogger using Mega2560 - Boaz & Priyatharshini
3  ** MOSI - pin 51
4 ** MISO - pin 50
5 ** CLK - pin 52
6 ** CS - pin 53
7*/
8#include  <SoftwareSerial.h>
9#include <TinyGPS.h>
10#include <SPI.h>
11#include <SD.h>
12
13SoftwareSerial  mySerial(10, 11);
14TinyGPS Bz_gps;
15
16long lat, lon;
17unsigned long time,  date, speed, course;
18unsigned long chars;
19unsigned short sentences, failed_checksum;
20
21int  year;
22int fkmph;
23byte month, day, hour, minute, second, hundredths;
24unsigned  long fix_age;
25
26String dataString = "";
27const int chipSelect = 53;
28
29void  setup()
30{
31  mySerial.begin(9600);
32  Serial.begin(9600);
33  pinMode(53,  OUTPUT);
34  if (!SD.begin(chipSelect))
35  {
36    Serial.println("Card failed,  Check MOSI & MISO pin Connection");
37    return;
38  }
39  Serial.println("card  initialized.");
40}
41void loop()
42{
43  if (mySerial.available())
44  {
45    char c = mySerial.read();
46    //Serial.write( c );
47    if (Bz_gps.encode(  c ))
48    {
49      Bz_gps.get_position(&lat, &lon, &fix_age);
50      Bz_gps.get_datetime(&date,  &time, &fix_age);
51      speed = Bz_gps.speed();
52      course = Bz_gps.course();
53      Bz_gps.crack_datetime(&year, &month, &day, &hour, &minute, &second, &hundredths,  &fix_age);
54      int fkmph = Bz_gps.f_speed_kmph();
55      dataString = String(day)  + "," + String(month) + "," + String(year) + "," + String(hour) + "," +  String(minute) + "," + String(second) + "," + String(lat) + "," + String(lon)  + "," + String(fkmph);
56      Serial.println(dataString);
57      File dataFile  = SD.open("datalog.txt", FILE_WRITE);
58      if (dataFile)
59      {
60        dataFile.println(dataString);
61        dataFile.close();
62      }
63      else
64      {
65        Serial.println("error  opening datalog.txt");
66      }
67    }
68  }
69}
70