1 files changed, 111 insertions, 0 deletions
diff --git a/src/src.ino b/src/src.ino
new file mode 100644
index 0000000..2950d6a
--- /dev/null
+++ b/src/src.ino
@@ -0,0 +1,111 @@
+#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!"));
+      } else {
+        Serial.println(F("Sent!"));
+      }
+}