GPS (Neo-6m) Portable Tracker with Micro SD Card Module

1// GPS Data logged into an SD Card
2// Written by Adrianos Botis e-mail:adrianosbotis@gmail.com
3  //* SD card attached to SPI bus as follows:
4 //** MOSI - pin 11
5 //** MISO  - pin 12
6 //** CLK - pin 13
7 //** CS - pin 4 (for MKRZero SD: SDCARD_SS_PIN)
8  
9#include <TinyGPS++.h>
10#include <SoftwareSerial.h>
11#include <SD.h>
12#include<SPI.h>
13
14//  Choose two Arduino pins to use for softwarge serial
15int RXPin = 2;
16int TXPin  = 3;
17const int chipSelect = 4;
18int GPSBaud = 9600;
19
20TinyGPSPlus gps;
21
22SoftwareSerial  gpsSerial(RXPin, TXPin);
23
24void setup()
25{
26  // Start the software serial  port at the GPS's default baud
27  gpsSerial.begin(GPSBaud);
28  // Open serial  communications and wait for port to open:
29  Serial.begin(9600);
30  Serial.print("Initializing  SD card...");
31
32  if (!SD.begin(4)) {
33    Serial.println("initialization  failed!");
34    while (1);
35  }
36  Serial.println("initialization done.");
37}
38void  loop()
39{
40  String dataString = "";
41  String dataString2 = "";
42  String  dataString3 = "";
43  String dataString4 = "";
44  // This sketch displays  information every time a new sentence is correctly encoded.
45  while (gpsSerial.available()  > 0)
46    if (gps.encode(gpsSerial.read()))
47      displayInfo();
48      
49  if (gps.location.isValid())
50  {    
51    dataString = String(gps.altitude.meters(),  3);
52    dataString2 = String(gps.location.lat(), 6);
53    dataString3 = String(gps.location.lng(),  6); 
54    
55  File dataFile = SD.open("GpsDat.txt", FILE_WRITE);
56
57  //  if the file is available, write to it:
58  if (dataFile) {
59    dataFile.print("Altitude:  ");
60    dataFile.println(dataString);
61    dataFile.print("Longtitude: ");
62    dataFile.println(dataString2);
63    dataFile.print("Latitude: ");
64    dataFile.print(dataString3);
65    dataFile.print("Time: ");
66    if (gps.time.hour() < 10) dataFile.print(F("0"));
67    dataFile.print(gps.time.hour());
68    dataFile.print(":");
69    if (gps.time.minute()  < 10) dataFile.print(F("0"));
70    dataFile.print(gps.time.minute());
71    dataFile.print(":");
72    if (gps.time.second() < 10) dataFile.print(F("0"));
73    dataFile.print(gps.time.second());
74    dataFile.print(".");
75    if (gps.time.centisecond() < 10) dataFile.print(F("0"));
76    dataFile.println(gps.time.centisecond());
77    dataFile.println();
78    dataFile.close();  
79    
80  }
81  else
82  {
83    Serial.println("Failed to open file");  
84    Serial.println();
85  }
86  }
87  else
88  {
89    Serial.println("Location:  Not Available");
90  }
91  // open the file. note that only one file can be open  at a time,
92  // so you have to close this one before opening another.
93      
94      // If 5000 milliseconds pass and there are no characters coming in
95  //  over the software serial port, show a "No GPS detected" error
96  if (millis()  > 50000 && gps.charsProcessed() < 10)
97  {
98    Serial.println("No GPS detected");
99    while(true);
100  }
101 }
102 
103void displayInfo()
104{
105  if (gps.location.isValid())
106  {
107    Serial.print("Latitude: ");
108    Serial.println(gps.location.lat(),  6);
109    Serial.print("Longitude: ");
110    Serial.println(gps.location.lng(),  6);
111    Serial.print("Altitude: ");
112    Serial.println(gps.altitude.meters());
113    Serial.print("Number of Satellites: ");
114    Serial.println(gps.satellites.value(),  6);
115  }
116  else
117  {
118    Serial.println("Location: Not Available");
119  }
120  
121  Serial.print("Date: ");
122  if (gps.date.isValid())
123  {
124    Serial.print(gps.date.month());
125    Serial.print("/");
126    Serial.print(gps.date.day());
127    Serial.print("/");
128    Serial.println(gps.date.year());
129    Serial.println();
130    Serial.print("Number of Satellites: ");
131    Serial.println(gps.satellites.value(),  6);
132  }
133  else
134  {
135    Serial.println("Not Available");
136  }
137
138  Serial.print("Time: ");
139  if (gps.time.isValid())
140  {
141    if (gps.time.hour()  < 10) Serial.print(F("0"));
142    Serial.print(gps.time.hour());
143    Serial.print(":");
144    if (gps.time.minute() < 10) Serial.print(F("0"));
145    Serial.print(gps.time.minute());
146    Serial.print(":");
147    if (gps.time.second() < 10) Serial.print(F("0"));
148    Serial.print(gps.time.second());
149    Serial.print(".");
150    if (gps.time.centisecond()  < 10) Serial.print(F("0"));
151    Serial.println(gps.time.centisecond());
152  }
153  else
154  {
155    Serial.println("Not Available");
156  }
157
158  Serial.println();
159  Serial.println();
160  delay(500);
161}
162