Last modified by Hera Guo on 2024/11/26 12:12
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Hera Guo 1.1 1 **Table of Contents:**
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3 {{toc/}}
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Hera Guo 2.1 5 = **How to connect chirpstack to Thingseye by way of MQTT** =
Hera Guo 1.1 6
7 * **How to connect chirpstack to Thingseye by way of MQTT? The following tutorial will show you**
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Hera Guo 2.1 9 == **Step 1: Thingseye adds MQTT integration** ==
Hera Guo 1.1 10
11 Go to the Integrations page in the Integrations center section. Click the plus button to start adding a new integration. Select the type "MQTT" integration and click "Next";
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Hera Guo 2.1 13 [[image:图片1.png||height="655" width="1320"]]
Hera Guo 1.1 14
15
Hera Guo 2.1 16 == **Step 2. Add an uplink and downlink data converter** ==
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18 In the function decoder field, specify the script to parse and transform the data.
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Hera Guo 2.1 20 [[image:图片2.png||height="653" width="1315"]]
Hera Guo 1.1 21
22 * **Uplink——JavaScript：**
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24 var data = decodeToJson(payload);
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26 var deviceName = data.deviceInfo.deviceName;
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28 var deviceType = data.applicationName;
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30 var devEui = data.deviceInfo.devEui
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32 var label = data.deviceInfo.devEui
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34 var model = {};
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36 var data2 = data.object;
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38 var flg = data.fPort
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40 for (var key in data2) {
41
42 ~/~/ 将属性名存入新对象中
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44 model[key] = data2[key];
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46 }
47
48 ~/~/var obj = {"devid":deviceName}
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50
51 var result = {
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53 deviceName: deviceName,
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55 deviceType: deviceType,
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57 telemetry: model,
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59 groupName: "Case Study",
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61 ~/~/label:label,
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63 attributes:{"devEui":devEui,
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65 ~/~/"timevalue":"test",
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67 "inactivityTimeout":1260000
68
69 ~/~/ "High_humidity_alarm":"not set",
70
71 ~/~/ "High_temperature_alarm":"not set",
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73 ~/~/ "Low_humidity_alarm":"not set",
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75 ~/~/ "Low_temperature_alarm":"not set",
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77 ~/~/ "Low_voltage_alarm":"not set"
78
79 ~/~/"customerName": "Civionic Engineering & Consulting (2014) Inc."
80
81 }
82
83 };
84
85 function decodeToString(payload) {
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87 return String.fromCharCode.apply(String, payload);
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89 }
90
91
92 function decodeToJson(payload) {
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94 var str = decodeToString(payload);
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96 var data = JSON.parse(str);
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98 return data;
99
100 }
101
102
103 return result;
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Hera Guo 2.1 105 [[image:图片3.png||height="657" width="1324"]]
Hera Guo 1.1 106
107 * **Dowblink——JavaScript：**
108
109 ~/~/ Encode downlink data from incoming Rule Engine message
110
111
112 ~/~/ msg - JSON message payload downlink message json
113
114 ~/~/ msgType - type of message, for ex. 'ATTRIBUTES_UPDATED', 'POST_TELEMETRY_REQUEST', etc.
115
116 ~/~/ metadata - list of key-value pairs with additional data about the message
117
118 ~/~/ integrationMetadata - list of key-value pairs with additional data defined in Integration executing this converter
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120
121 ~/~/ /~*~* Encoder ~*~*/
122
123
124 ~/~/var data = {"value":99};
125
126
127 ~/~/ ~/~/ Process data from incoming message and metadata
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129
130 ~/~/ data.tempFreq = msg.temperatureUploadFrequency;
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132 ~/~/ data.humFreq = msg.humidityUploadFrequency;
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134
135 ~/~/ data.devSerialNumber = metadata['ss_serialNumber'];
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137
138 ~/~/ ~/~/ Result object with encoded downlink payload
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140 var result = {
141
142
143 ~/~/ downlink data content type: JSON, TEXT or BINARY (base64 format)
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145 contentType: "TEXT",
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147
148 ~/~/ downlink data
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150 data: msg.shared_value ,~/~/JSON.stringify(data),
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152
153 ~/~/ Optional metadata object presented in key/value format
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155 metadata: {
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157 topic: '/test/down/'+metadata.deviceName
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159 }
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161
162 };
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164
165 return result;
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167
Hera Guo 2.1 168 == **Step 3. Configure the connection** ==
Hera Guo 1.1 169
170 Generate MQTT certificate integrated on chirpstack
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172 Chirpstack generates CA certificate, TLS certificate, and TLS key respectively
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174 They correspond to the CA certificate file, Certificate file, and Private key file on thingseye
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176
Hera Guo 2.1 177 [[image:图片4.png||height="669" width="1348"]]
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Hera Guo 2.1 179 [[image:图片5.png||height="669" width="1348"]]
Hera Guo 1.1 180
Hera Guo 3.1 181 * Copy the contents of the certificates and paste them into the linked file below, a total of three certificates are required
Hera Guo 1.1 182
Hera Guo 3.1 183 **Integrated Certificate File demo Download Address：**
Hera Guo 1.1 184
Hera Guo 3.1 185 [[https:~~/~~/github.com/ThingsEye-io/te-platform/tree/main/chirpstack>>https://github.com/ThingsEye-io/te-platform/tree/main/chirpstack]]
186
Hera Guo 1.1 187 Enter the server address Host: lns1.thingseye.io on the Connection configuration
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189 Port: 8883
190
191 Credentials type: PEM
192
193 Upload the certificate and key file
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Hera Guo 2.1 195 [[image:图片6.png||height="672" width="1353"]]
Hera Guo 1.1 196
Hera Guo 2.1 197 [[image:图片7.png||height="671" width="1352"]]
Hera Guo 1.1 198
199
200 The default for Topic is:
201
202 application/**chirpstack application id**/device/+/event/up
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Hera Guo 2.1 204 [[image:图片8.png||height="673" width="1356"]]
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Hera Guo 2.1 206 [[image:1732500689044-955.png]]
Hera Guo 1.1 207
Hera Guo 2.1 208 == Step 4. Check the connection ==
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Hera Guo 2.1 210 [[image:图片9.png||height="718" width="1446"]]
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213 [[image:图片10.png||height="711" width="1432"]]