Sigfox Event Trigger with MKR FOX 1200

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1void setup() {
2
3  if (!SigFox.begin()) {
4
5    //something is really wrong, try rebooting
6
7    reboot();
8
9  }
10
11  //Send module to standby until we need to send a message
12
13  SigFox.end();
14
15  // attach pin 0 and 1 to a switch and enable the interrupt on voltage falling event
16
17  pinMode(0, INPUT_PULLUP);
18
19  LowPower.attachInterruptWakeup(0, alarmEvent1, FALLING);
20
21  pinMode(1, INPUT_PULLUP);
22
23  LowPower.attachInterruptWakeup(1, alarmEvent2, FALLING);
24}

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1/*
2
3  SigFox Event Trigger tutorial
4
5  This sketch demonstrates the usage of a MKRFox1200
6
7  to build a battery-powered alarm sensor with email notifications
8
9  A couple of sensors (normally open) should we wired between pins 1 and 2 and GND.
10
11  This example code is in the public domain.
12
13*/
14
15#include <SigFox.h>
16#include <ArduinoLowPower.h>
17
18// Set debug to false to enable continuous mode
19// and disable serial prints
20int debug = true;
21
22volatile int alarm_source = 0;
23
24void setup() {
25
26  if (debug == true) {
27
28    // We are using Serial1 instead than Serial because we are going in standby
29
30    // and the USB port could get confused during wakeup. To read the debug prints,
31
32    // connect pins 13-14 (TX-RX) to a 3.3V USB-to-serial converter
33
34    Serial1.begin(115200);
35
36    while (!Serial1) {}
37
38  }
39
40  if (!SigFox.begin()) {
41
42    //something is really wrong, try rebooting
43
44    reboot();
45
46  }
47
48  //Send module to standby until we need to send a message
49
50  SigFox.end();
51
52  if (debug == true) {
53
54    // Enable debug prints and LED indication if we are testing
55
56    SigFox.debug();
57
58  }
59
60  // attach pin 0 and 1 to a switch and enable the interrupt on voltage falling event
61
62  pinMode(0, INPUT_PULLUP);
63
64  LowPower.attachInterruptWakeup(0, alarmEvent1, FALLING);
65
66  pinMode(1, INPUT_PULLUP);
67
68  LowPower.attachInterruptWakeup(1, alarmEvent2, FALLING);
69}
70
71void loop()
72{
73
74  // Sleep until an event is recognized
75
76  LowPower.sleep();
77
78  // if we get here it means that an event was received
79
80  SigFox.begin();
81
82  if (debug == true) {
83
84    Serial1.println("Alarm event on sensor " + String(alarm_source));
85
86  }
87
88  delay(100);
89
90  // 3 bytes (ALM) + 4 bytes (ID) + 1 byte (source) < 12 bytes
91
92  String to_be_sent = "ALM" + SigFox.ID() +  String(alarm_source);
93
94  SigFox.beginPacket();
95
96  SigFox.print(to_be_sent);
97
98  int ret = SigFox.endPacket();
99
100  // shut down module, back to standby
101
102  SigFox.end();
103
104  if (debug == true) {
105
106    if (ret > 0) {
107
108      Serial1.println("No transmission");
109
110    } else {
111
112      Serial1.println("Transmission ok");
113
114    }
115
116    Serial1.println(SigFox.status(SIGFOX));
117
118    Serial1.println(SigFox.status(ATMEL));
119
120    // Loop forever if we are testing for a single event
121
122    while (1) {};
123
124  }
125}
126
127void alarmEvent1() {
128
129  alarm_source = 1;
130}
131
132void alarmEvent2() {
133
134  alarm_source = 2;
135}
136
137void reboot() {
138
139  NVIC_SystemReset();
140
141  while (1);
142}