Version 1.1 by Hera Guo on 2024/11/25 10:06
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1
2 **Table of Contents:**
3
4 {{toc/}}
5
6
7 * **How to connect chirpstack to Thingseye by way of MQTT? The following tutorial will show you**
8
9 = **Step 1: Thingseye adds MQTT integration** =
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";
12
13 [[image:1732499643153-403.png]]
14
15
16 = **Step 2. Add an uplink and downlink data converter** =
17
18 In the function decoder field, specify the script to parse and transform the data.
19
20 [[image:1732499643155-612.png]]
21
22 * **Uplink——JavaScript：**
23
24 var data = decodeToJson(payload);
25
26 var deviceName = data.deviceInfo.deviceName;
27
28 var deviceType = data.applicationName;
29
30 var devEui = data.deviceInfo.devEui
31
32 var label = data.deviceInfo.devEui
33
34 var model = {};
35
36 var data2 = data.object;
37
38 var flg = data.fPort
39
40 for (var key in data2) {
41
42 ~/~/ 将属性名存入新对象中
43
44 model[key] = data2[key];
45
46 }
47
48 ~/~/var obj = {"devid":deviceName}
49
50
51 var result = {
52
53 deviceName: deviceName,
54
55 deviceType: deviceType,
56
57 telemetry: model,
58
59 groupName: "Case Study",
60
61 ~/~/label:label,
62
63 attributes:{"devEui":devEui,
64
65 ~/~/"timevalue":"test",
66
67 "inactivityTimeout":1260000
68
69 ~/~/ "High_humidity_alarm":"not set",
70
71 ~/~/ "High_temperature_alarm":"not set",
72
73 ~/~/ "Low_humidity_alarm":"not set",
74
75 ~/~/ "Low_temperature_alarm":"not set",
76
77 ~/~/ "Low_voltage_alarm":"not set"
78
79 ~/~/"customerName": "Civionic Engineering & Consulting (2014) Inc."
80
81 }
82
83 };
84
85 function decodeToString(payload) {
86
87 return String.fromCharCode.apply(String, payload);
88
89 }
90
91
92 function decodeToJson(payload) {
93
94 var str = decodeToString(payload);
95
96 var data = JSON.parse(str);
97
98 return data;
99
100 }
101
102
103 return result;
104
105 [[image:1732499643158-822.png]]
106
107 * **Dowblink——JavaScript：**
108
109
110 ~/~/ Encode downlink data from incoming Rule Engine message
111
112
113 ~/~/ msg - JSON message payload downlink message json
114
115 ~/~/ msgType - type of message, for ex. 'ATTRIBUTES_UPDATED', 'POST_TELEMETRY_REQUEST', etc.
116
117 ~/~/ metadata - list of key-value pairs with additional data about the message
118
119 ~/~/ integrationMetadata - list of key-value pairs with additional data defined in Integration executing this converter
120
121
122 ~/~/ /~*~* Encoder ~*~*/
123
124
125 ~/~/var data = {"value":99};
126
127
128 ~/~/ ~/~/ Process data from incoming message and metadata
129
130
131 ~/~/ data.tempFreq = msg.temperatureUploadFrequency;
132
133 ~/~/ data.humFreq = msg.humidityUploadFrequency;
134
135
136 ~/~/ data.devSerialNumber = metadata['ss_serialNumber'];
137
138
139 ~/~/ ~/~/ Result object with encoded downlink payload
140
141 var result = {
142
143
144 ~/~/ downlink data content type: JSON, TEXT or BINARY (base64 format)
145
146 contentType: "TEXT",
147
148
149 ~/~/ downlink data
150
151 data: msg.shared_value ,~/~/JSON.stringify(data),
152
153
154 ~/~/ Optional metadata object presented in key/value format
155
156 metadata: {
157
158 topic: '/test/down/'+metadata.deviceName
159
160 }
161
162
163 };
164
165
166 return result;
167
168
169 = **Step 3. Configure the connection** =
170
171 Generate MQTT certificate integrated on chirpstack
172
173 Chirpstack generates CA certificate, TLS certificate, and TLS key respectively
174
175 They correspond to the CA certificate file, Certificate file, and Private key file on thingseye
176
177
178 [[image:1732499643160-256.png]]
179
180 [[image:1732499643161-734.png||height="632" width="1273"]]
181
182 **Integrated Certificate Download Address：**
183
184 [[te-platform/ChirpStack_Integration Certificates at main · ThingsEye-io/te-platform · GitHub>>url:https://github.com/ThingsEye-io/te-platform/tree/main/ChirpStack_Integration Certificates]]
185
186 Enter the server address Host: lns1.thingseye.io on the Connection configuration
187
188 Port: 8883
189
190 Credentials type: PEM
191
192 Upload the certificate and key file
193
194 [[image:1732499643163-473.png]]
195
196 [[image:1732499643164-724.png]]
197
198
199 The default for Topic is:
200
201 application/**chirpstack application id**/device/+/event/up
202
203 [[image:1732499643166-130.png]]
204
205 [[image:1732499912997-301.png]]
206
207 = Step 4. Check the connection =
208
209 [[image:1732499643167-363.png]]
210
211 [[image:1732499643169-383.png]]