u-blox / Mbed 2 deprecated Cellular_HelloMQTT

MQTT cellular example

Dependencies:   C027_Support C12832 MQTT mbed

Fork of Cellular_HelloMQTT by Michael Ammann

main.cpp@12:0ec1916059b5, 2014-05-20 (annotated)

Committer:
mazgch
Date:
Tue May 20 14:33:13 2014 +0000
Revision:
12:0ec1916059b5
Parent:
11:c074866fcad7
Child:
14:d495a85ed55b
use restructured library

Who changed what in which revision?

UserRevisionLine numberNew contents of line
icraggs 1:a1d5c7a6acbc 1 /*******************************************************************************
icraggs 1:a1d5c7a6acbc 2 * Copyright (c) 2014 IBM Corp.
icraggs 1:a1d5c7a6acbc 3 *
icraggs 1:a1d5c7a6acbc 4 * All rights reserved. This program and the accompanying materials
icraggs 1:a1d5c7a6acbc 5 * are made available under the terms of the Eclipse Public License v1.0
icraggs 1:a1d5c7a6acbc 6 * and Eclipse Distribution License v1.0 which accompany this distribution.
icraggs 1:a1d5c7a6acbc 7 *
icraggs 1:a1d5c7a6acbc 8 * The Eclipse Public License is available at
icraggs 1:a1d5c7a6acbc 9 * http://www.eclipse.org/legal/epl-v10.html
icraggs 1:a1d5c7a6acbc 10 * and the Eclipse Distribution License is available at
icraggs 1:a1d5c7a6acbc 11 * http://www.eclipse.org/org/documents/edl-v10.php.
icraggs 1:a1d5c7a6acbc 12 *
icraggs 1:a1d5c7a6acbc 13 * Contributors:
icraggs 1:a1d5c7a6acbc 14 * Ian Craggs - initial API and implementation and/or initial documentation
icraggs 1:a1d5c7a6acbc 15 *******************************************************************************/
icraggs 2:638c854c0695 16
icraggs 2:638c854c0695 17 /**
icraggs 2:638c854c0695 18 This is a sample program to illustrate the use of the MQTT Client library
icraggs 2:638c854c0695 19 on the mbed platform. The Client class requires two classes which mediate
icraggs 2:638c854c0695 20 access to system interfaces for networking and timing. As long as these two
icraggs 2:638c854c0695 21 classes provide the required public programming interfaces, it does not matter
icraggs 2:638c854c0695 22 what facilities they use underneath. In this program, they use the mbed
icraggs 2:638c854c0695 23 system libraries.
icraggs 2:638c854c0695 24
icraggs 2:638c854c0695 25 */
icraggs 0:0cae29831d01 26 #include "mbed.h"
mazgch 12:0ec1916059b5 27 #include "MbedIPStack.h"
mazgch 8:b32c94be6522 28
mazgch 12:0ec1916059b5 29 //------------------------------------------------------------------------------------
mazgch 12:0ec1916059b5 30 // You need to configure these cellular modem / SIM parameters.
mazgch 12:0ec1916059b5 31 // These parameters are ignored for LISA-C200 variants and can be left NULL.
mazgch 12:0ec1916059b5 32 //------------------------------------------------------------------------------------
mazgch 12:0ec1916059b5 33 #include "MDM.h"
mazgch 12:0ec1916059b5 34 //! Set your secret SIM pin here (e.g. "1234"). Check your SIM manual.
mazgch 12:0ec1916059b5 35 #define SIMPIN NULL
mazgch 12:0ec1916059b5 36 /*! The APN of your network operator SIM, sometimes it is "internet" check your
mazgch 12:0ec1916059b5 37 contract with the network operator. You can also try to look-up your settings in
mazgch 12:0ec1916059b5 38 google: https://www.google.de/search?q=APN+list */
mazgch 8:b32c94be6522 39 #define APN "gprs.swisscom.ch"
mazgch 12:0ec1916059b5 40 //! Set the user name for your APN, or NULL if not needed
mazgch 8:b32c94be6522 41 #define USERNAME NULL
mazgch 12:0ec1916059b5 42 //! Set the password for your APN, or NULL if not needed
mazgch 8:b32c94be6522 43 #define PASSWORD NULL
mazgch 12:0ec1916059b5 44 //------------------------------------------------------------------------------------
icraggs 2:638c854c0695 45
sam_grove 5:4a257f6ac09a 46 #include "C12832.h"
mazgch 8:b32c94be6522 47 C12832 lcd(D11, D13, D12, D7, D10);
icraggs 0:0cae29831d01 48
icraggs 2:638c854c0695 49 #include "FP.cpp"
icraggs 2:638c854c0695 50 #include "MQTTClient.h"
icraggs 2:638c854c0695 51
icraggs 2:638c854c0695 52 int arrivedcount = 0;
icraggs 2:638c854c0695 53
icraggs 2:638c854c0695 54 void messageArrived(MQTT::Message* message)
icraggs 2:638c854c0695 55 {
sam_grove 5:4a257f6ac09a 56 lcd.cls();
sam_grove 5:4a257f6ac09a 57 lcd.locate(0,3);
sam_grove 5:4a257f6ac09a 58 printf("Message arrived: qos %d, retained %d, dup %d, packetid %d\n", message->qos, message->retained, message->dup, message->id);
sam_grove 5:4a257f6ac09a 59 printf("Payload %.*s\n", message->payloadlen, (char*)message->payload);
icraggs 2:638c854c0695 60 ++arrivedcount;
sam_grove 5:4a257f6ac09a 61 lcd.puts((char*)message->payload);
icraggs 2:638c854c0695 62 }
icraggs 0:0cae29831d01 63
icraggs 2:638c854c0695 64 int main(int argc, char* argv[])
icraggs 2:638c854c0695 65 {
mazgch 8:b32c94be6522 66 MDMSerial mdm;
mazgch 12:0ec1916059b5 67 //mdm.setDebug(4); // enable this for debugging issues
mazgch 12:0ec1916059b5 68 if (!mdm.connect(SIMPIN, APN,USERNAME,PASSWORD))
mazgch 10:6f1c3b718b9c 69 return -1;
mazgch 8:b32c94be6522 70
mazgch 10:6f1c3b718b9c 71 IPStack ipstack = IPStack();
mazgch 10:6f1c3b718b9c 72 float version = 0.43;
mazgch 10:6f1c3b718b9c 73 char* topic = "mbed-sample";
mazgch 10:6f1c3b718b9c 74
mazgch 10:6f1c3b718b9c 75 lcd.printf("Version is %f\n", version);
mazgch 10:6f1c3b718b9c 76 printf("Version is %f\n", version);
mazgch 10:6f1c3b718b9c 77
mazgch 10:6f1c3b718b9c 78 MQTT::Client<IPStack, Countdown> client = MQTT::Client<IPStack, Countdown>(ipstack);
mazgch 10:6f1c3b718b9c 79
mazgch 10:6f1c3b718b9c 80 char* hostname = "m2m.eclipse.org";
mazgch 10:6f1c3b718b9c 81 int port = 1883;
mazgch 10:6f1c3b718b9c 82 lcd.printf("Connecting to %s:%d\n", hostname, port);
mazgch 10:6f1c3b718b9c 83 int rc = ipstack.connect(hostname, port);
mazgch 10:6f1c3b718b9c 84 if (rc != 0)
mazgch 10:6f1c3b718b9c 85 lcd.printf("rc from TCP connect is %d\n", rc);
mazgch 10:6f1c3b718b9c 86
mazgch 10:6f1c3b718b9c 87 MQTTPacket_connectData data = MQTTPacket_connectData_initializer;
mazgch 10:6f1c3b718b9c 88 data.MQTTVersion = 3;
mazgch 10:6f1c3b718b9c 89 data.clientID.cstring = "mbed-icraggs";
mazgch 10:6f1c3b718b9c 90 rc = client.connect(&data);
mazgch 10:6f1c3b718b9c 91 if (rc != 0)
mazgch 10:6f1c3b718b9c 92 lcd.printf("rc from MQTT connect is %d\n", rc);
mazgch 10:6f1c3b718b9c 93
mazgch 10:6f1c3b718b9c 94 rc = client.subscribe(topic, MQTT::QOS1, messageArrived);
mazgch 10:6f1c3b718b9c 95 if (rc != 0) {
mazgch 10:6f1c3b718b9c 96 printf("rc from MQTT subscribe is %d\n", rc);
mazgch 10:6f1c3b718b9c 97 }
mazgch 10:6f1c3b718b9c 98
mazgch 10:6f1c3b718b9c 99 MQTT::Message message;
mazgch 10:6f1c3b718b9c 100
mazgch 10:6f1c3b718b9c 101 // QoS 0
mazgch 10:6f1c3b718b9c 102 char buf[100];
mazgch 10:6f1c3b718b9c 103 sprintf(buf, "Hello World! QoS 0 message from app version %f\n", version);
mazgch 10:6f1c3b718b9c 104 message.qos = MQTT::QOS0;
mazgch 10:6f1c3b718b9c 105 message.retained = false;
mazgch 10:6f1c3b718b9c 106 message.dup = false;
mazgch 10:6f1c3b718b9c 107 message.payload = (void*)buf;
mazgch 10:6f1c3b718b9c 108 message.payloadlen = strlen(buf)+1;
mazgch 10:6f1c3b718b9c 109 rc = client.publish(topic, &message);
mazgch 10:6f1c3b718b9c 110 while (arrivedcount == 0)
mazgch 10:6f1c3b718b9c 111 client.yield(100);
mazgch 8:b32c94be6522 112
mazgch 10:6f1c3b718b9c 113 // QoS 1
mazgch 10:6f1c3b718b9c 114 sprintf(buf, "Hello World! QoS 1 message from app version %f\n", version);
mazgch 10:6f1c3b718b9c 115 message.qos = MQTT::QOS1;
mazgch 10:6f1c3b718b9c 116 message.payloadlen = strlen(buf)+1;
mazgch 10:6f1c3b718b9c 117 rc = client.publish(topic, &message);
mazgch 10:6f1c3b718b9c 118 while (arrivedcount == 1)
mazgch 10:6f1c3b718b9c 119 client.yield(100);
mazgch 10:6f1c3b718b9c 120
mazgch 10:6f1c3b718b9c 121 // QoS 2
mazgch 10:6f1c3b718b9c 122 sprintf(buf, "Hello World! QoS 2 message from app version %f\n", version);
mazgch 10:6f1c3b718b9c 123 message.qos = MQTT::QOS2;
mazgch 10:6f1c3b718b9c 124 message.payloadlen = strlen(buf)+1;
mazgch 10:6f1c3b718b9c 125 rc = client.publish(topic, &message);
mazgch 10:6f1c3b718b9c 126 while (arrivedcount == 2)
mazgch 10:6f1c3b718b9c 127 client.yield(100);
mazgch 10:6f1c3b718b9c 128
mazgch 10:6f1c3b718b9c 129 rc = client.unsubscribe(topic);
mazgch 10:6f1c3b718b9c 130 if (rc != 0) {
mazgch 10:6f1c3b718b9c 131 printf("rc from unsubscribe was %d\n", rc);
mazgch 10:6f1c3b718b9c 132 }
mazgch 10:6f1c3b718b9c 133
mazgch 10:6f1c3b718b9c 134 rc = client.disconnect();
mazgch 10:6f1c3b718b9c 135 if (rc != 0) {
mazgch 10:6f1c3b718b9c 136 printf("rc from disconnect was %d\n", rc);
mazgch 10:6f1c3b718b9c 137 }
icraggs 0:0cae29831d01 138
mazgch 10:6f1c3b718b9c 139 mdm.disconnect();
mazgch 8:b32c94be6522 140 mdm.powerOff();
icraggs 2:638c854c0695 141
sam_grove 5:4a257f6ac09a 142 lcd.cls();
sam_grove 5:4a257f6ac09a 143 lcd.locate(0,3);
sam_grove 5:4a257f6ac09a 144 lcd.printf("Finish: %d msgs\n", arrivedcount);
sam_grove 5:4a257f6ac09a 145 printf("Finishing with %d messages received\n", arrivedcount);
icraggs 2:638c854c0695 146
mazgch 8:b32c94be6522 147 while(true);
icraggs 0:0cae29831d01 148 }