[136] | 1 | /*
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| 2 | SMS receiver
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| 3 |
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| 4 | This sketch, for the Arduino GSM shield, waits for a SMS message
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| 5 | and displays it through the Serial port.
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| 6 |
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| 7 | Circuit:
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| 8 | * GSM shield attached to and Arduino
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| 9 | * SIM card that can receive SMS messages
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| 10 |
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| 11 | created 25 Feb 2012
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| 12 | by Javier Zorzano / TD
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| 13 |
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| 14 | This example is in the public domain.
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| 15 |
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| 16 | http://arduino.cc/en/Tutorial/GSMExamplesReceiveSMS
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| 17 |
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| 18 | */
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| 19 |
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| 20 | // include the GSM library
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| 21 | #include <GSM.h>
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| 22 |
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| 23 | // PIN Number for the SIM
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| 24 | #define PINNUMBER ""
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| 25 |
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| 26 | // initialize the library instances
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| 27 | GSM gsmAccess;
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| 28 | GSM_SMS sms;
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| 29 |
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| 30 | // Array to hold the number a SMS is retreived from
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| 31 | char senderNumber[20];
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| 32 |
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| 33 | void setup()
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| 34 | {
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| 35 | // initialize serial communications and wait for port to open:
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| 36 | Serial.begin(9600);
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| 37 | while (!Serial) {
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| 38 | ; // wait for serial port to connect. Needed for Leonardo only
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| 39 | }
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| 40 |
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| 41 | Serial.println("SMS Messages Receiver");
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| 42 |
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| 43 | // connection state
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| 44 | boolean notConnected = true;
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| 45 |
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| 46 | // Start GSM connection
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| 47 | while (notConnected)
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| 48 | {
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| 49 | if (gsmAccess.begin(PINNUMBER) == GSM_READY)
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| 50 | notConnected = false;
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| 51 | else
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| 52 | {
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| 53 | Serial.println("Not connected");
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| 54 | delay(1000);
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| 55 | }
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| 56 | }
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| 57 |
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| 58 | Serial.println("GSM initialized");
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| 59 | Serial.println("Waiting for messages");
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| 60 | }
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| 61 |
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| 62 | void loop()
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| 63 | {
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| 64 | char c;
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| 65 |
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| 66 | // If there are any SMSs available()
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| 67 | if (sms.available())
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| 68 | {
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| 69 | Serial.println("Message received from:");
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| 70 |
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| 71 | // Get remote number
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| 72 | sms.remoteNumber(senderNumber, 20);
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| 73 | Serial.println(senderNumber);
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| 74 |
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| 75 | // An example of message disposal
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| 76 | // Any messages starting with # should be discarded
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| 77 | if (sms.peek() == '#')
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| 78 | {
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| 79 | Serial.println("Discarded SMS");
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| 80 | sms.flush();
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| 81 | }
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| 82 |
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| 83 | // Read message bytes and print them
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| 84 | while (c = sms.read())
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| 85 | Serial.print(c);
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| 86 |
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| 87 | Serial.println("\nEND OF MESSAGE");
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| 88 |
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| 89 | // Delete message from modem memory
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| 90 | sms.flush();
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| 91 | Serial.println("MESSAGE DELETED");
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| 92 | }
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| 93 |
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| 94 | delay(1000);
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| 95 |
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| 96 | }
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| 97 |
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| 98 |
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