Cancellino

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1// Include the GSM an SD library
2#include <MKRGSM.h>
3#include <SPI.h>
4#include <SD.h>
5// Include file with your sensitive data
6#include "arduino_secrets.h"
7// Max stored numbers
8#define MAX_NUMBERS 5
9// Relay pin number
10#define GATE_PIN    2

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1// Initialize the library instance
2GSM gsmAccess;
3GSMVoiceCall vcs;
4GSM_SMS sms;
5// File object
6File myFile;
7// Pin number and Admin phone number from external file
8const char PINNUMBER[] = SECRET_PINNUMBER;
9String adminphone = SECRET_ADMINNUMBER;
10// Array to hold the phone number for the incoming sms and call
11char callnumber[20];
12char smsnumber[20];
13// phone numbers array
14String numbers[MAX_NUMBERS];
15int numberindex = 0;

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1void setup() {
2 // initialize serial communications and wait for port to open
3 Serial.begin(9600);
4 // USE ONLY WITH A COMPUTER CONNECTED AND SERIAL MONITOR OPENED
5 while (!Serial) {
6   ; // wait for serial port to connect. Needed for native USB port only
7 }
8 // set up the pin as output and put it down
9 pinMode(GATE_PIN, OUTPUT);
10 digitalWrite(GATE_PIN, LOW);
11 Serial.println("GSM Open Gate Sketch starting...");
12 // Init SD card
13 if (!SD.begin(4)) {
14   Serial.println("initialization failed!");
15   return;
16 }
17 // retrieve number from file stored in SD
18 myFile = SD.open("numbers.txt");
19 if (myFile) {
20   // read from the file until there's nothing else in it
21   while (myFile.available()) {
22     // read a line and delete \r\n
23     String reading = myFile.readStringUntil('\n');
24     reading.trim();
25     // add to numbers array
26     if (numberindex < MAX_NUMBERS) {
27       numbers[numberindex] = reading;
28       numberindex++;
29     }
30   }
31   // print the numbers
32   if (numberindex > 0) {
33     for (int i = 0; i < MAX_NUMBERS; i++) {
34       Serial.print(i);
35       Serial.print(" - ");
36       Serial.println(numbers[i]);
37     }
38   }
39   numberindex = 0;
40   // close the file:
41   myFile.close();
42 } else {
43   // if the file didn't open, print an error:
44   Serial.println("error opening test.txt");
45 }
46 // connection state
47 bool connected = false;
48 // Init GSM shield
49 while (!connected) {
50   if (gsmAccess.begin(PINNUMBER) == GSM_READY) {
51     connected = true;
52   } else {
53     Serial.println("Not connected");
54     delay(1000);
55   }
56 }
57 // This makes sure the modem correctly reports incoming events
58 vcs.hangCall();
59 Serial.println("Waiting for a call");
60}

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1void loop() {
2 // Check the status of the voice call
3 switch (vcs.getvoiceCallStatus()) {
4   case IDLE_CALL:
5     // Nothing is happening
6     break;
7   case RECEIVINGCALL:
8     //Someone is calling us
9     Serial.println("RECEIVING CALL");
10     // Retrieve the calling number
11     vcs.retrieveCallingNumber(callnumber, 20);
12     // Check if it's the adminphone
13     if (adminphone.equals(callnumber)) {
14       Serial.println("Admin phone, open gate!");
15       // open the gate and after 1 second close it
16       digitalWrite(GATE_PIN, HIGH);
17       delay(1000);
18       digitalWrite(GATE_PIN, LOW);
19     }
20     // Check if it's an authorized number
21     else {
22       for (int i = 0; i < MAX_NUMBERS; i++) {
23         if (numbers[i].equals(callnumber)) {
24           Serial.println("Authorized, open gate!");
25           // open the gate and after 1 second close it
26           digitalWrite(GATE_PIN, HIGH);
27           delay(1000);
28           digitalWrite(GATE_PIN, LOW);
29           break;
30         }
31       }
32     }
33     // Put down the call
34     vcs.hangCall();
35     break;
36   case TALKING:
37     // In this case the call would be established
38     // Nothing to do here
39     break;
40 }
41 // Check if there are any SMSs available
42 if (sms.available()) {
43   Serial.println("Message received from:");
44   // Get remote number
45   sms.remoteNumber(smsnumber, 20);
46   Serial.println(smsnumber);
47   // Read message bytes, save and print them
48   int c;
49   String smsmessage = "";
50   while ((c = sms.read()) != -1) {
51     // Serial.print((char)c);
52     smsmessage += (char)c;
53   }
54   // Only the admin can edit the number list
55   // example sms => SET <+00123456789>
56   if (adminphone.equals(smsnumber)) {
57     // Check the command
58     if (smsmessage.indexOf("SET") > -1) {
59       // Check for a phone number and add to the stored file
60       int startindex = smsmessage.indexOf("<");
61       int endindex = smsmessage.indexOf(">");
62       String newnumber = smsmessage.substring(startindex + 1, endindex);
63       myFile = SD.open("numbers.txt", FILE_WRITE);
64       if (myFile) {
65         Serial.print("Number to add: ");
66         Serial.println(newnumber);
67         // write number in the file
68         myFile.println(newnumber);
69         // close the file:
70         myFile.close();
71         Serial.println("saved.");
72         // add to the local numbers list
73         if (numberindex < MAX_NUMBERS) {
74           newnumber.trim();
75           numbers[numberindex] = newnumber;
76           numberindex++;
77         }
78         else {
79           Serial.println("Too many saved numbers!");
80         }
81       } else {
82         // if the file didn't open, print an error:
83         Serial.println("error opening numbers.txt");
84       }
85     }
86   }
87   Serial.println("\nEND OF MESSAGE");
88   // Delete message from modem memory
89   sms.flush();
90   Serial.println("MESSAGE DELETED");
91 }
92 delay(1000);
93}

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1+00XXXXXXXXXX
2+00XXXXXXXXXX
3+00XXXXXXXXXX