Receive SMS

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1GSM gsmAccess;
2
3GSM_SMS sms;

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1void setup(){
2
3  Serial.begin(9600);
4
5  Serial.println("SMS Messages Receiver");

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1boolean notConnected = true;

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1while(notConnected)
2
3  {
4
5    if(gsmAccess.begin(PINNUMBER)==GSM_READY)
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7      notConnected = false;
8
9    else
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11    {
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13      Serial.println("Not connected");
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15      delay(1000);
16
17    }
18
19  }

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1Serial.println("GSM initialized.");
2
3  Serial.println("Waiting for messages");
4}

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1void loop()
2{
3
4  char c;
5
6  if (sms.available())
7
8  {

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1Serial.println("Message received from:");
2
3    sms.remoteNumber(remoteNumber, 20);
4
5    Serial.println(remoteNumber);

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1if(sms.peek()=='#')
2
3    {
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5      Serial.println("Discarded SMS");
6
7      sms.flush();
8
9    }

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1while(c=sms.read())
2
3      Serial.print(c);

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1Serial.println("\nEND OF MESSAGE");
2
3    sms.flush();
4
5    Serial.println("MESSAGE DELETED");
6
7  }

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1delay(1000);
2}

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1/*
2
3 SMS receiver
4
5 This sketch, for the Arduino GSM shield, waits for a SMS message
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7 and displays it through the Serial port.
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9 Circuit:
10
11 * GSM shield attached to and Arduino
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13 * SIM card that can receive SMS messages
14
15 created 25 Feb 2012
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17 by Javier Zorzano / TD
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19 This example is in the public domain.
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21 http://www.arduino.cc/en/Tutorial/GSMExamplesReceiveSMS
22
23*/
24
25// include the GSM library
26#include <GSM.h>
27
28// PIN Number for the SIM
29#define PINNUMBER ""
30
31// initialize the library instances
32
33GSM gsmAccess;
34
35GSM_SMS sms;
36
37// Array to hold the number a SMS is retrieved from
38char senderNumber[20];
39
40void setup() {
41
42  // initialize serial communications and wait for port to open:
43
44  Serial.begin(9600);
45
46  while (!Serial) {
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48    ; // wait for serial port to connect. Needed for native USB port only
49
50  }
51
52  Serial.println("SMS Messages Receiver");
53
54  // connection state
55
56  bool notConnected = true;
57
58  // Start GSM connection
59
60  while (notConnected) {
61
62    if (gsmAccess.begin(PINNUMBER) == GSM_READY) {
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64      notConnected = false;
65
66    } else {
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68      Serial.println("Not connected");
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70      delay(1000);
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72    }
73
74  }
75
76  Serial.println("GSM initialized");
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78  Serial.println("Waiting for messages");
79}
80
81void loop() {
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83  char c;
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85  // If there are any SMSs available()
86
87  if (sms.available()) {
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89    Serial.println("Message received from:");
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91    // Get remote number
92
93    sms.remoteNumber(senderNumber, 20);
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95    Serial.println(senderNumber);
96
97    // An example of message disposal
98
99    // Any messages starting with # should be discarded
100
101    if (sms.peek() == '#') {
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103      Serial.println("Discarded SMS");
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105      sms.flush();
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107    }
108
109    // Read message bytes and print them
110
111    while (c = sms.read()) {
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113      Serial.print(c);
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115    }
116
117    Serial.println("\nEND OF MESSAGE");
118
119    // Delete message from modem memory
120
121    sms.flush();
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123    Serial.println("MESSAGE DELETED");
124
125  }
126
127  delay(1000);
128
129}