mbed based IoT Gateway More details http://blog.thiseldo.co.uk/wp-filez/IoTGateway.pdf
Dependencies: NetServices FatFileSystem csv_parser mbed MQTTClient RF12B DNSResolver SDFileSystem
Outputs/OutputMqtt.cpp@2:27714c8c9c0a, 2012-04-05 (annotated)
- Committer:
- SomeRandomBloke
- Date:
- Thu Apr 05 08:03:07 2012 +0000
- Revision:
- 2:27714c8c9c0a
- Parent:
- 0:a29a0225f203
- Child:
- 5:0dbc27a7af55
Updates to complete mqtt output
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
SomeRandomBloke | 0:a29a0225f203 | 1 | /** IoT Gateway Output definition for MQTT |
SomeRandomBloke | 0:a29a0225f203 | 2 | * |
SomeRandomBloke | 0:a29a0225f203 | 3 | * @author Andrew Lindsay |
SomeRandomBloke | 0:a29a0225f203 | 4 | * |
SomeRandomBloke | 0:a29a0225f203 | 5 | * @section LICENSE |
SomeRandomBloke | 0:a29a0225f203 | 6 | * |
SomeRandomBloke | 0:a29a0225f203 | 7 | * Copyright (c) 2012 Andrew Lindsay (andrew [at] thiseldo [dot] co [dot] uk) |
SomeRandomBloke | 0:a29a0225f203 | 8 | * |
SomeRandomBloke | 0:a29a0225f203 | 9 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
SomeRandomBloke | 0:a29a0225f203 | 10 | * of this software and associated documentation files (the "Software"), to deal |
SomeRandomBloke | 0:a29a0225f203 | 11 | * in the Software without restriction, including without limitation the rights |
SomeRandomBloke | 0:a29a0225f203 | 12 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
SomeRandomBloke | 0:a29a0225f203 | 13 | * copies of the Software, and to permit persons to whom the Software is |
SomeRandomBloke | 0:a29a0225f203 | 14 | * furnished to do so, subject to the following conditions: |
SomeRandomBloke | 0:a29a0225f203 | 15 | |
SomeRandomBloke | 0:a29a0225f203 | 16 | * The above copyright notice and this permission notice shall be included in |
SomeRandomBloke | 0:a29a0225f203 | 17 | * all copies or substantial portions of the Software. |
SomeRandomBloke | 0:a29a0225f203 | 18 | * |
SomeRandomBloke | 0:a29a0225f203 | 19 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
SomeRandomBloke | 0:a29a0225f203 | 20 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
SomeRandomBloke | 0:a29a0225f203 | 21 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
SomeRandomBloke | 0:a29a0225f203 | 22 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
SomeRandomBloke | 0:a29a0225f203 | 23 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
SomeRandomBloke | 0:a29a0225f203 | 24 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
SomeRandomBloke | 0:a29a0225f203 | 25 | * THE SOFTWARE. |
SomeRandomBloke | 0:a29a0225f203 | 26 | * |
SomeRandomBloke | 0:a29a0225f203 | 27 | * @section DESCRIPTION |
SomeRandomBloke | 0:a29a0225f203 | 28 | * |
SomeRandomBloke | 0:a29a0225f203 | 29 | * |
SomeRandomBloke | 0:a29a0225f203 | 30 | */ |
SomeRandomBloke | 0:a29a0225f203 | 31 | |
SomeRandomBloke | 0:a29a0225f203 | 32 | #include "mbed.h" |
SomeRandomBloke | 0:a29a0225f203 | 33 | #include "OutputMqtt.h" |
SomeRandomBloke | 0:a29a0225f203 | 34 | |
SomeRandomBloke | 0:a29a0225f203 | 35 | // Constructor |
SomeRandomBloke | 0:a29a0225f203 | 36 | OutputMqtt::OutputMqtt() { |
SomeRandomBloke | 0:a29a0225f203 | 37 | sendCount = 0; |
SomeRandomBloke | 0:a29a0225f203 | 38 | } |
SomeRandomBloke | 0:a29a0225f203 | 39 | |
SomeRandomBloke | 2:27714c8c9c0a | 40 | static void callback(char* topic, char* payload); /*Callback function prototype*/ |
SomeRandomBloke | 0:a29a0225f203 | 41 | //MQTTClient mqtt(serverIpAddr, 1883, callback); |
SomeRandomBloke | 0:a29a0225f203 | 42 | |
SomeRandomBloke | 0:a29a0225f203 | 43 | |
SomeRandomBloke | 2:27714c8c9c0a | 44 | static void callback(char* topic, char* payload) |
SomeRandomBloke | 0:a29a0225f203 | 45 | { |
SomeRandomBloke | 0:a29a0225f203 | 46 | printf("Topic: %s\r\n", topic); |
SomeRandomBloke | 0:a29a0225f203 | 47 | printf("Payload: %s\r\n\r\n", payload); |
SomeRandomBloke | 0:a29a0225f203 | 48 | } |
SomeRandomBloke | 0:a29a0225f203 | 49 | |
SomeRandomBloke | 0:a29a0225f203 | 50 | void OutputMqtt::initConnection( IpAddr *serverIpAddr, short port, char *username, char *password ) { |
SomeRandomBloke | 0:a29a0225f203 | 51 | this->serverIpAddr = serverIpAddr; |
SomeRandomBloke | 0:a29a0225f203 | 52 | this->port = port; |
SomeRandomBloke | 0:a29a0225f203 | 53 | this->username = username; |
SomeRandomBloke | 0:a29a0225f203 | 54 | this->password = password; |
SomeRandomBloke | 0:a29a0225f203 | 55 | } |
SomeRandomBloke | 0:a29a0225f203 | 56 | |
SomeRandomBloke | 2:27714c8c9c0a | 57 | bool OutputMqtt::init( ) { |
SomeRandomBloke | 0:a29a0225f203 | 58 | // printf("MQTT server ip is %d.%d.%d.%d\n",serverIpAddr[0],serverIpAddr[1],serverIpAddr[2],serverIpAddr[3]); |
SomeRandomBloke | 2:27714c8c9c0a | 59 | mqtt.init(serverIpAddr, port, username, password, callback); |
SomeRandomBloke | 0:a29a0225f203 | 60 | if(!mqtt.connect("IoTGateway")){ |
SomeRandomBloke | 0:a29a0225f203 | 61 | printf("\r\nConnect to server failed ..\r\n"); |
SomeRandomBloke | 2:27714c8c9c0a | 62 | mqtt.disconnect(); |
SomeRandomBloke | 2:27714c8c9c0a | 63 | return false; |
SomeRandomBloke | 0:a29a0225f203 | 64 | } |
SomeRandomBloke | 2:27714c8c9c0a | 65 | return true; |
SomeRandomBloke | 0:a29a0225f203 | 66 | } |
SomeRandomBloke | 0:a29a0225f203 | 67 | |
SomeRandomBloke | 0:a29a0225f203 | 68 | // These are used to send |
SomeRandomBloke | 0:a29a0225f203 | 69 | void OutputMqtt::addReading(char *topic, char *unused, char *reading ) { |
SomeRandomBloke | 0:a29a0225f203 | 70 | mqtt.publish( topic, reading ); |
SomeRandomBloke | 0:a29a0225f203 | 71 | } |
SomeRandomBloke | 0:a29a0225f203 | 72 | |
SomeRandomBloke | 0:a29a0225f203 | 73 | |
SomeRandomBloke | 0:a29a0225f203 | 74 | // send here does nothing |
SomeRandomBloke | 0:a29a0225f203 | 75 | int OutputMqtt::send( void ) { |
SomeRandomBloke | 2:27714c8c9c0a | 76 | mqtt.live(); |
SomeRandomBloke | 0:a29a0225f203 | 77 | return 0; |
SomeRandomBloke | 0:a29a0225f203 | 78 | } |
SomeRandomBloke | 0:a29a0225f203 | 79 |