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
|
#include "Adafruit_FONA.h"
// Pin for actiaving LifeLarm
#define activateLarm 5
// Pins on PCB that connect to Sim
#define FONA_RX 9
#define FONA_TX 8
#define FONA_RST 4
#define FONA_RI 7
// this is a large buffer for replies
char replybuffer[255];
// Phone number we send emergency text to
char callerIDbuffer[32];
#include <SoftwareSerial.h>
SoftwareSerial fonaSS = SoftwareSerial(FONA_TX, FONA_RX);
SoftwareSerial *fonaSerial = &fonaSS;
Adafruit_FONA fona = Adafruit_FONA(FONA_RST);
uint8_t readline(char *buff, uint8_t maxbuff, uint16_t timeout = 0);
void setup() {
while (!Serial);
Serial.begin(115200);
Serial.println(F("LifeLarm turning on!"));
Serial.println(F("Initializing....(May take 3 seconds)"));
// make it slow so its easy to read!
fonaSerial->begin(4800);
if (! fona.begin(*fonaSerial)) {
Serial.println(F("Couldn't find FONA"));
while(1);
}
// Set button to active low
pinmode(activateLarm, INPUT_PULLUP);
attachInterrupt(digitalPinToInterrupt(activateLarm), sendHelp, CHANGE);
Serial.println("LifeLarm Ready");
}
char fonaInBuffer[64]; //for notifications from the FONA
void loop() {
char* bufPtr = fonaInBuffer; //handy buffer pointer
if (fona.available()) //any data available from the FONA?
{
int slot = 0; //this will be the slot number of the SMS
int charCount = 0;
//Read the notification into fonaInBuffer
do {
*bufPtr = fona.read();
Serial.write(*bufPtr);
delay(1);
} while ((*bufPtr++ != '\n') && (fona.available()) && (++charCount < (sizeof(fonaInBuffer)-1)));
//Add a terminal NULL to the notification string
*bufPtr = 0;
// Scan the notification string for an SMS received notification.
// If it's an SMS message, we'll get the slot number in 'slot'
if (1 == sscanf(fonaInBuffer, "+CMTI: \"SM\",%d", &slot)) {
Serial.print("slot: "); Serial.println(slot);
// Retrieve SMS sender address/phone number.
if (! fona.getSMSSender(slot, callerIDbuffer, 31)) {
Serial.println("Didn't find SMS message in slot!");
}
Serial.print(F("Retreived number: ")); Serial.println(callerIDbuffer);
Serial.print(F("Stored in slot: ")); Serial.println(slot);
//Send back an automatic response
Serial.println("Sending confirmation...");
if (!fona.sendSMS(callerIDbuffer, "Your phone number has been set as the emergency number!")) {
Serial.println(F("Failed to send!"));
} else {
Serial.println(F("Sent!"));
}
// delete the original msg after it is processed
// otherwise, we will fill up all the slots
// and then we won't be able to receive SMS anymore
/* if (fona.deleteSMS(slot)) {
Serial.println(F("OK!"));
} else {
Serial.println(F("Couldn't delete"));
}
*/
}
}
}
void sendHelp() [
Serial.println("Sending text...");
if (!fona.sendSMS(callerIDbuffer, "HELP! ... --- ... I will be sending my location to you!")) {
Serial.println(F("Failed to send!"));
failed++;
} else {
Serial.println(F("Sent!"));
}
}
|
