-
-
Notifications
You must be signed in to change notification settings - Fork 0
/
gps_test.ino
198 lines (176 loc) · 5.06 KB
/
gps_test.ino
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
/*
* Author: @adityad0 [ https://github.com/adityad0/ ]
* HACKTAG https://github.com/adityad0/hacktag/
* License: https://github.com/adityad0/hacktag/LICENSE.md
* GPS tracker with GSM SMS alert and BLE
*/
/* This program uses two function to get the current GPS corrdinates, date and time and prints it to the serial. */
// Include libraries
#include <TinyGPS++.h>
#include <SoftwareSerial.h>
// Declare functions
void get_gps_pos(double* coords);
void get_gps_dttm(int *dttm);
void get_coord_distance(double *coords_A, double *coords_B, double *distance_moved);
// Declare global variables
double coords[3] = {0.0, 0.0, 0.0}; // Default GPS coordinates
int dttm[6] = {0, 0, 0, 0, 0, 0}; // Latest GPS date time in Year, Month, Day, Hour, Minute, Seconds format
double distance_moved = 0.00; // Distance moved in meters
double initial_coords[3] = {0.0, 0.0, 0.0}; // Initial GPS coordinates
int sms_interval = 60; // Time between each update in minutes
int last_sms_dttm[6] = {0, 0, 0, 0, 0, 0}; // Time of last SMS update
// Declare global objects
SoftwareSerial gpsSerial(3, 4); // GSP_TX->3, GSP_RX->4
TinyGPSPlus gps;
void setup() {
Serial.begin(9600);
gpsSerial.begin(9600);
}
/*
* TO PARSE THE GPS DATA:
* $GPRMC provides time, date, latitude, longitude, altitude, and estimated velocity.
* $GPGGA sentence provides essential fix data which provides the 3D location and accuracy data.
*/
void loop() {
while(gpsSerial.available() > 0) {
// Serial.write(gpsSerial.read());
// if(gps.encode(gpsSerial.read())) {
// displayGPSinfo();
// }
if(gps.encode(gpsSerial.read())) {
get_gps_pos(coords);
get_gps_dttm(dttm);
display_gps_data();
initial_coords[0] = coords[0];
initial_coords[1] = coords[1];
initial_coords[2] = coords[2];
get_coord_distance(initial_coords, coords, &distance_moved);
Serial.print("Distance moved: ");
Serial.println(distance_moved);
}
}
if(millis() > 5000 && gps.charsProcessed() < 10) {
Serial.println("No GPS detected");
delay(1000);
while(true);
}
}
void get_gps_pos(double* coords) {
double *coords_ptr = coords;
if(gps.location.isValid()) {
*coords_ptr = gps.location.lat();
coords_ptr++;
*coords_ptr = gps.location.lng();
coords_ptr++;
*coords_ptr = gps.altitude.meters();
coords_ptr++;
} else {
*coords_ptr = 0.0;
coords_ptr++;
*coords_ptr = 0.0;
coords_ptr++;
*coords_ptr = 0.0;
coords_ptr++;
}
}
void get_gps_dttm(int* dttm) {
int *dttm_ptr = dttm;
if(gps.date.isValid()) {
dttm_ptr[0] = gps.date.year();
dttm_ptr[1] = gps.date.month();
dttm_ptr[2] = gps.date.day();
} else {
dttm_ptr[0] = 0;
dttm_ptr[1] = 0;
dttm_ptr[2] = 0;
}
if(gps.time.isValid()) {
dttm_ptr[3] = gps.time.hour();
dttm_ptr[4] = gps.time.minute();
dttm_ptr[5] = gps.time.second();
} else {
dttm_ptr[3] = 0;
dttm_ptr[4] = 0;
dttm_ptr[5] = 0;
}
}
void get_coord_distance(double* coords_A, double* coords_B, double* distance_moved) {
double *ptr_A = coords_A;
double *ptr_B = coords_B;
double *ptr_distance_moved = distance_moved;
double lat_A = *ptr_A;
ptr_A++;
double lon_A = *ptr_A;
ptr_A++;
double lat_B = *ptr_B;
ptr_B++;
double lon_B = *ptr_B;
ptr_B++;
*ptr_distance_moved = TinyGPSPlus::distanceBetween(lat_A, lon_A, lat_B, lon_B);
}
void display_gps_data() {
Serial.print("Latitude: ");
Serial.println(coords[0]);
Serial.print("Longitude: ");
Serial.println(coords[1]);
Serial.print("Altitude: ");
Serial.println(coords[2]);
Serial.print("Date: ");
Serial.print(dttm[0]);
Serial.print("-");
Serial.print(dttm[1]);
Serial.print("-");
Serial.println(dttm[2]);
Serial.print("Time: ");
Serial.print(dttm[3]);
Serial.print(":");
Serial.print(dttm[4]);
Serial.print(":");
Serial.println(dttm[5]);
Serial.println("\n\n");
}
void displayGPSinfo() {
if(gps.location.isValid()) {
Serial.print("Latitude: ");
Serial.println(gps.location.lat(), 6);
Serial.print("Longitude: ");
Serial.println(gps.location.lng(), 6);
Serial.print("Altitude: ");
Serial.println(gps.altitude.meters());
} else {
Serial.println("Location: Not Available");
}
Serial.print("Date: ");
if (gps.date.isValid()) {
Serial.print(gps.date.month());
Serial.print("/");
Serial.print(gps.date.day());
Serial.print("/");
Serial.println(gps.date.year());
} else {
Serial.println("Not Available");
}
Serial.print("Time: ");
if (gps.time.isValid()) {
if (gps.time.hour() < 10)
Serial.print(F("0"));
Serial.print(gps.time.hour());
Serial.print(":");
if (gps.time.minute() < 10)
Serial.print(F("0"));
Serial.print(gps.time.minute());
Serial.print(":");
if (gps.time.second() < 10)
Serial.print(F("0"));
Serial.print(gps.time.second());
Serial.print(".");
if (gps.time.centisecond() < 10)
Serial.print(F("0"));
Serial.println(gps.time.centisecond());
} else {
Serial.println("Not Available");
}
Serial.println();
Serial.println();
delay(1000);
}