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Last modified by Dilisi S on 2025/04/23 19:23
From version 95.1
edited by Dilisi S
on 2025/03/08 04:07
Change comment: Uploaded new attachment "data-converter-list-showing-uplink-dc.png", version {1}
To version 16.1
edited by Dilisi S
on 2025/03/03 02:45
Change comment: Mar 2 edits - part 2

Summary

Details

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Content
... ... @@ -6,135 +6,215 @@
6 6  Draft Document
7 7  {{/warning}}
8 8  
9 += Introduction =
9 9  
11 +This document guides you on integrating Dragino -NB and -CB series devices with ThingsBoard. For this guide, we use ThingsBoard Cloud, which is one of the ThingsBoard versions that allows you to try it for free.
10 10  
11 11  
12 -= 1. Introduction =
14 += Add New Device =
13 13  
16 +In the left navigation, click **Entities** and then click **Devices**.
14 14  
15 -This document guides you on integrating Dragino **-NB** and **-CB** series devices data with ThingsBoard. For this guide, we use ThingsBoard Cloud, which is one of the ThingsBoard versions that allows you to try it for free.
16 16  
17 -The **NB series** devices end with the suffix **-NB**, and the **CB series** devices end with the suffix **-CB**. For example, **S31B-NB** is an **NB device**, and **S31-CB** is a **CB device**.
19 +[[image:ThingsBoard-Device.png]]
18 18  
19 19  
22 +On the ‘**Devices**’ page, click on the ‘**+**’ button, and then click on the ‘**Add new device**’ from the dropdown menu.
20 20  
21 21  
25 +[[image:ThingsBoard-add-new-device.png||height="279" width="500"]]
22 22  
23 -= 2. Data Converters =
24 24  
25 25  
26 -In **ThingsBoard**, **Data Converters** are components used to transform incoming or outgoing data between different formats, typically to convert raw telemetry data from devices into a structured format that ThingsBoard can understand, or vice versa.
29 += Data Converters =
27 27  
28 28  
29 -== 2.1 Uplink ==
32 +== Uplink ==
30 30  
34 +In the left navigation, click ‘Integrations center’, and then click ‘Data converters’.
31 31  
32 -In the left navigation, click **Integrations center**, and then click **Data converters**.
33 33  
37 +[[image:ThingsBoard-Data-Converters.png]]
34 34  
35 35  
36 -[[image:data-converters-list-empty.png]]
40 +On the ‘Data converters’ page, click on the ‘+’ button, and then click on the ‘Create new converter’ from the dropdown menu.
37 37  
38 38  
39 -On the **Data converters** page, click on the ‘**+**’ button, and then click on the **Create new converter** from the dropdown menu.
43 +[[image:ThingsBoard-new-data-converter.png||height="282" width="500"]]
40 40  
41 41  
46 +The ‘Add data converter’ window will appear. Name it ‘**UDP Uplink Converter NB/CB**’ and select the Type as ‘Uplink’.
42 42  
43 -[[image:create-new-converter-menu.png||height="259" width="500"]]
48 +Click on the ‘JavaScript’ button. Now copy and paste the following script to the ‘Decoder function’ section:
44 44  
45 -
46 -The **Add data converter** window will appear. Name it ‘**MQTT Uplink Converter NB/CB**’ and select the Type as **Uplink**.
47 -
48 -Click on the **TBEL** button if not selected it by default. Delete the existing decoder function in the code editor. Now copy and paste the following decoder function written in **TBEL (ThingsBoard Expression Language)** in to the **code editor**. This decoder function is compatible for both NB and CB series devices.
49 -
50 50  {{code language="JavaScript"}}
51 -/** Decoder **/
52 -
51 +//Version: 0.1
53 53  // decode payload to string
54 54  var payloadStr = decodeToString(payload);
55 -var data = JSON.parse(payloadStr);
56 56  
57 -var deviceName = metadata.topic.split("/")[3];
58 58  // decode payload to JSON
59 -var deviceType = 'sensor';
56 +var objdata = {};
57 +var obj1 = {};
58 +var data = decodeToJson(payload);
59 +var deviceName = data.IMEI;
60 +delete data.IMEI;
61 +var modelname = "Dragino " + data.Model;
62 +//var mod = data.mod
63 +delete data.Model;
64 +//delete data.mod
65 +var timestamp = new Date().getTime();
60 60  
61 -// Result object with device attributes/telemetry data
67 +for (var key in data) {
68 +
69 + if (Number(key)) {
70 + obj1[key] = data[key];
71 + obj1[key][obj1[key].length - 1] = Number(new Date(
72 + obj1[key][obj1[key].length - 1]));
73 +
74 + }
75 +//Alec submitted25/02/25
76 +//turn old key into new
77 + else if (key === "Reading") {
78 + objdata["reading"] = data[key];
79 + } else if (key === "work mode") {
80 + objdata["work_mode"] = data[key];
81 + } else if (key === "hum") {
82 + objdata["humidity"] = data[key];
83 + }else if (key === "hum2") {
84 + objdata["humidity2"] = data[key];
85 + } else if (key === "hum3") {
86 + objdata["humidity3"] = data[key];
87 + } else if (key === "tem") {
88 + objdata["temperature"] = data[key];
89 + } else if (key === "tem2") {
90 + objdata["temperature2"] = data[key];
91 + } else if (key === "tem3") {
92 + objdata["temperature3"] = data[key];
93 + } else if (key === "DS18B20_Temp") {
94 + objdata["temperature_pro"] = data[key];
95 + } else if (key === "ds18b20_temperature") {
96 + objdata["temperature_pro"] = data[key];
97 + } else if (key === "DS18B20_temperature_pro") {
98 + objdata["temperature_pro"] = data[key];
99 + } else if (key === "tdc send flag") {
100 + objdata["tdc_send_flag"] = data[key];
101 + } else if (key === "trigger mode") {
102 + objdata["trigger_mode"] = data[key];
103 + } else if (key === "soil dielectric constant") {
104 + objdata["soil_dielectric_constant"] = data[key];
105 + } else if (key === "door open num") {
106 + objdata["door_open_num"] = data[key];
107 + } else if (key === "door duration") {
108 + objdata["door_duration"] = data[key];
109 + } else if (key === "count time") {
110 + objdata["count_time"] = data[key];
111 + } else if (key === "last open time2") {
112 + objdata["last_open_time2"] = data[key];
113 + } else if (key === "last open time3") {
114 + objdata["last_open_time3"] = data[key];
115 + }
116 +//Alec submitted25/02/25
117 + else {
118 + objdata[key] = data[key]
119 + }
120 +}
121 +var listdata = [{
122 + "ts": timestamp,
123 + "values": objdata
124 +}]
125 +for (var key1 in obj1) {
126 + if (modelname == "Dragino RS485-NB") {
127 + listdata.push({
128 + "ts": obj1[key1][obj1[key1].length - 1],
129 + "values": {
130 + "Payload": obj1[key1][0],
131 + }
132 + })
133 + } else {
134 + listdata.push({
135 + "ts": obj1[key1][obj1[key1].length - 1],
136 + "values": {
137 + "values": obj1[key1]
138 + },
139 + })
140 + }
141 +}
62 62  var result = {
143 +
63 63   deviceName: deviceName,
64 - deviceType: deviceType,
145 + deviceType: modelname,
65 65   attributes: {
66 - integrationName: metadata['integrationName'],
147 + model: modelname,
148 + //customerName: "NB-CB",
149 + //groupName: "NB-CB",
150 + //integrationName: metadata['integrationName']
151 +
67 67   },
68 - telemetry: {
69 - temperature: data.temperature,
70 - humidity: data.humidity,
71 - }
72 -};
153 + telemetry: listdata
154 +}
73 73  
74 -/** Helper functions 'decodeToString' and 'decodeToJson' are already built-in **/
156 +function decodeToString(payload) {
157 + return String.fromCharCode.apply(String, payload);
158 +}
75 75  
76 -return result;
77 -{{/code}}
160 +function decodeToJson(payload) {
161 + // covert payload to string.
162 + var str = decodeToString(payload);
78 78  
164 + // parse string to JSON
165 + var data = JSON.parse(str);
166 + return data;
167 +}
79 79  
80 -Click on the **Add** button.
169 +return result;
81 81  
171 +{{/code}}
82 82  
173 +Click on the ‘Add’ button.
83 83  
84 -[[image:add-uplink-data-converter.png||height="529" width="500"]]
85 85  
176 +[[image:ThingsBoard-add-data-converter-uplink.png||width="500"]]
86 86  
87 -You should see that the newly added **MQTT Uplink converter **NB/CB is listed on the **Data Converters** page.
88 88  
179 +The uplink data converter is added to ThingsBoard and appears on the ‘Data Converters’ page
89 89  
90 90  
91 -[[image:create-new-converter-menu.png||width="500"]]
182 +== Downlink ==
92 92  
93 -== 3.2 Downlink ==
184 +On the ‘Data converters’ page, click on the ‘+’ button, and then click on the ‘Create new converter’ from the dropdown menu.
94 94  
95 95  
96 -On the **Data converters** page, click on the ‘**+**’ button, and then click on the **Create new converter** from the dropdown menu.
97 -
98 98  [[image:ThingsBoard-new-data-converter.png||height="282" width="500"]]
99 99  
100 100  
101 -The **Add data converter** window will appear. Name it ‘**MQTT Downlink Converter NB/CB**’ and select the Type as **Downlink**.
190 +The ‘**Add data converter**’ window will appear. Name it ‘**UDP Downlink Converter NB/CB**’ and select the Type as ‘**Downlink**’.
102 102  
103 -Click on the **TBEL** button if not selected it by default. Now copy and paste the following encoder function written in **TBEL (ThingsBoard Expression Language)** in to the **code editor**. This encoder function is compatible for both NB and CB series devices.
192 +Click on the ‘**JavaScript**’ button. Now copy and paste the following script to the ‘**Encoder function**’ section:
104 104  
105 105  
106 106  {{code language="JavaScript"}}
107 -// Encode downlink data from incoming Rule Engine message
196 +function hexToBase64(hexString) {
197 + // 将16进制字符串两个字符转换为一个字节
198 + var bytes = hexString.match(/.{2}/g);
199 + // 对每个字节进行解析，并转换为对应的字符
200 + var binaryString = bytes.map(function(byte) {
201 + return String.fromCharCode(parseInt(byte, 16));
202 + }).join('');
203 +
204 + // 使用btoa进行base64编码
205 + return btoa(binaryString);
206 +}
108 108  
109 -// msg - JSON message payload downlink message json
110 -// msgType - type of message, for ex. 'ATTRIBUTES_UPDATED', 'POST_TELEMETRY_REQUEST', etc.
111 -// metadata - list of key-value pairs with additional data about the message
112 -// integrationMetadata - list of key-value pairs with additional data defined in Integration executing this converter
113 -
114 -/** Encoder **/
115 -
116 -var data = {};
117 -
118 -// Process data from incoming message and metadata
119 -
120 -data.tempFreq = msg.temperatureUploadFrequency;
121 -data.humFreq = msg.humidityUploadFrequency;
122 -
123 -data.devSerialNumber = metadata['ss_serialNumber'];
124 -
125 125  // Result object with encoded downlink payload
126 126  var result = {
127 -
128 128   // downlink data content type: JSON, TEXT or BINARY (base64 format)
129 - contentType: "JSON",
211 + contentType: "BINARY",
130 130  
131 131   // downlink data
132 - data: JSON.stringify(data),
214 + data:hexToBase64(metadata.shared_value)
133 133  
134 134   // Optional metadata object presented in key/value format
135 - metadata: {
136 - topic: metadata['deviceType']+'/'+metadata['deviceName']+'/upload'
137 - }
217 + //metadata: {}
138 138  
139 139  };
140 140  
... ... @@ -145,101 +145,80 @@
145 145  Click on the **Add** button.
146 146  
147 147  
228 +[[image:ThingsBoard-add-data-converter-downlink.png||height="532" width="500"]]
148 148  
149 -[[image:add-downlink-data-converter.png||height="529" width="500"]]
150 150  
231 += Add Integration =
151 151  
152 -You should see that the newly added **MQTT Downlink** Converter NB/CB is listed on the **Data Converters** page.
233 +In the left navigation, click ‘Integrations center’, and then click ‘Integrations’.
153 153  
235 +On the ‘Integrations’ page, click on the “+” button.
154 154  
155 155  
156 -[[image:data-converters-list.png]]
238 +[[image:ThingsBoard-add-integration.png]]
157 157  
158 -= 3. Add Integration =
159 159  
241 +The ‘Add integration’ window appears.
160 160  
161 -In the left navigation, click **Integrations center**, and then click **Integrations**.
243 +In the Add Integration window, configure the following settings:
162 162  
163 -On the **Integrations** page, click on the '**+**' button.
164 -
165 -[[image:data-converter-list-page.png]]
166 -
167 -
168 -The **Add integration** window appears.
169 -
170 -In the **Add integration** window, configure the following settings:
171 -
172 -
173 173  **Basic settings:**
174 174  
175 -* **Integration type**: MQTT
176 -* **Name**: MQTT integration NB/CB
247 +* **Integration type**: UDP
248 +* **Name**: UDP Integration NB/CB
177 177  
178 178  Click **Next** button.
179 179  
252 +
180 180  [[image:add-integration-basic-settings.png||height="511" width="500"]]
181 181  
182 182  
183 183  **Uplink data converter:**
184 184  
185 -* Click on the **Select existing** button.
186 -* **Uplink data converter**: Select **MQTT Uplink Converter NB/CB **from the dropdown list.
258 +* Click on the ‘**Select existing**’ button.
259 +* Uplink data converter: Select ‘**UDP Uplink Converter NB/CB**’ from the dropdown list.
187 187  
188 188  Click **Next** button.
189 189  
190 -[[image:add-integration-uplink-data-converter.png||width="500"]]
191 191  
264 +[[image:add-integration-uplink-data-converter.png||height="511" width="500"]]
192 192  
266 +
193 193  **Downlink data converter:**
194 194  
195 -* Click on the **Select existing** button.
196 -* **Downlink data converter**: Select **MQTT Downlink Converter NB/CB **from the dropdown list.
269 +* Click on the ‘**Select existing**’ button.
270 +* Downlink data converter: Select ‘**UDP Downlink Converter NB/CB**’ from the dropdown list.
197 197  
272 +
198 198  Click **Next** button.
199 199  
200 -[[image:add-integration-downlink-data-converter.png||height="510" width="500"]]
201 201  
276 +[[image:add-integration-downlink-data-converter.png||height="512" width="500"]]
202 202  
278 +
203 203  **Connection:**
204 204  
205 -* **Host**: Cluster URL (Eg. 011731f7928541588a6cdfbbedfc63f4.s1.eu.hivemq.cloud)
206 -* **Port**: 8883
207 -* **Credentials**: Basic
208 -* **Enable SSL**: YES
209 -* **Username**: Username (from your HiveMQ Cloud Cluster with your credentials)
210 -* **Password:** Password (from your HiveMQ Cloud Cluster with your credentials)
211 -* **Topic:** tb/mqtt-integration-tutorial/sensors/+/telemetry (the + replaces any 'device name' and creates devices in the Entities -> Devices)
212 -* **QoS:** 0-At most once
213 -* **Clean session:** NO
214 -* **Retained**: NO
281 +**Port**: 11582
215 215  
216 -Click on the **Check connection** button to verify the MQTT connection using the provided parameters.
283 +**Size of the buffer for inbound socket (in KB)**: 64
217 217  
218 -[[image:add-integration-connection.png||width="500"]]
285 +**Cache Size**: 10000000
219 219  
287 +**Cache time to live in minutes**: 1440
220 220  
221 -If the connection is successful, you will see the **Connected** message.
222 222  
290 +Copy the two keys, **Integration key** and **Integration secret** into a text editor, as you will need them in the section ‘xxxxx’.
291 +
223 223  Click on the **Add** button.
224 224  
225 -[[image:add-connection-success.png||height="511" width="500"]]
226 226  
295 +[[image:add-integration-connection.png||height="511" width="500"]]
227 227  
228 -You should see that the newly added integration is listed on the **Integrations** page.
229 229  
230 -Since we haven't received data from a device yet, the integration **Status** is shown as **Pending.**
231 231  
232 -[[image:integrations-list-added-pending.png]]
299 += Verifying the receipt of data from the device =
233 233  
301 +Connect **S31B-NB** to transfer information. If the integration was performed without errors, after the transmission of the first telemetry, a new device with the name “xxxxx” will appear in the Devices → All. Also, you can verify the input and output data, respectively, before and after conversion in Data converters → UDP Uplink Converter NB/CB → Events.
234 234  
235 -= 5. Verifying the receipt of data from the device =
236 236  
237 -
238 -On the terminal, issue the following MQTT command which simulates the device S31B-NB.
239 -
240 -{{code language="none"}}
241 -mosquitto_pub -d -q 1 -h mqtt.eu.thingsboard.cloud -p 1883 -t v1/devices/S31B-NB/telemetry -u "24vk3w9h7sqdld1me5eh" -m "{temperature:20}"
242 -{{/code}}
243 -
244 -If the integration was performed without errors, after the transmission of the first telemetry, a new device with the name “S31B-NB” will appear in the Devices → All. Also, you can verify the input and output data, respectively, before and after conversion in Data converters → UDP Uplink Converter NB/CB → Events.
245 -
304 +
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