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1 | /*
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2 | Read Messages from the Mailbox
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3 |
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4 | This example for the Arduino Y炭n shows how to
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5 | read the messages queue, called Mailbox, using the
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6 | Bridge library.
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7 | The messages can be sent to the queue through REST calls.
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8 | Appen the message in the URL after the keyword "/mailbox".
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9 | Example
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10 |
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11 | "/mailbox/hello"
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12 |
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13 | created 3 Feb 2014
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14 | by Federico Vanzati & Federico Fissore
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15 |
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16 | This example code is in the public domain.
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17 |
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18 | http://arduino.cc/en/Tutorial/MailboxReadMessage
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19 |
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20 | */
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21 |
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22 | #include <Mailbox.h>
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23 |
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24 | void setup() {
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25 | pinMode(13, OUTPUT);
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26 | digitalWrite(13, LOW);
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27 | // Initialize Bridge and Mailbox
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28 | Bridge.begin();
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29 | Mailbox.begin();
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30 | digitalWrite(13, HIGH);
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31 |
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32 | // Initialize Serial
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33 | Serial.begin(9600);
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34 |
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35 | // Wait until a Serial Monitor is connected.
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36 | while (!Serial);
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37 |
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38 | Serial.println("Mailbox Read Message\n");
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39 | Serial.println("The Mailbox is checked every 10 seconds. The incoming messages will be shown below.\n");
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40 | }
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41 |
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42 | void loop() {
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43 | String message;
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44 |
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45 | // if there is a message in the Mailbox
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46 | if (Mailbox.messageAvailable())
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47 | {
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48 | // read all the messages present in the queue
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49 | while (Mailbox.messageAvailable())
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50 | {
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51 | Mailbox.readMessage(message);
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52 | Serial.println(message);
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53 | }
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54 |
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55 | Serial.println("Waiting 10 seconds before checking the Mailbox again");
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56 | }
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57 |
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58 | // wait 10 seconds
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59 | delay(10000);
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60 | }
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