Last modified by Hera Guo on 2025/02/18 09:29
From version 8.1
edited by Chxy
on 2024/10/10 13:03
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To version 7.1
edited by Chxy
on 2024/10/08 17:32
Change comment: There is no comment for this version

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45 45  Device here is **[[S31-NB>>https://www.dragino.com/products/temperature-humidity-sensor/item/288-s31-nb-s31b-nb.html]]** : and have been configure below
46 46  
47 47  * Set to use ThingsEye UDP server: **AT+SERVADDR=server1.thingseye.io,11560**
48 -* Use UDP Uplink & Json protocol:** AT+PRO=2,5**
48 +* Use UDP Uplink & Json protocol:** AT+PRO=2,5**
49 49  * Equip with a NB-IoT SIM Card to access to NB-IoT Network.
50 50  
51 51  The S31-NB's cellular module has the IMEI: **863663062789483**
... ... @@ -71,154 +71,4 @@
71 71  
72 72  
73 73  
74 -= 2.  Connect to The Things Stack =
75 -
76 -== 2.1 Network Structure ==
77 -
78 -
79 -== 2.2 Creat Integration for The Things Stack. ==
80 -
81 -(% class="lead" %)
82 -Add Integration
83 -
84 -[[image:1728535775119-971.png||height="456" width="1087"]]
85 -
86 -
87 -(% class="lead" %)
88 -Choose Connection Type
89 -
90 -[[image:1728535857345-950.png]]
91 -
92 -
93 -(% class="lead" %)
94 -Input Uplink Data Converter Code
95 -
96 -[[image:1728535941851-388.png||height="466" width="398"]]
97 -
98 -Demo Code as below:
99 -
100 ->var data = decodeToJson(payload);
101 ->var deviceName = data.end_device_ids.device_id;
102 ->var deviceType = data.end_device_ids.application_ids.application_id;
103 ->var model = {};
104 ->var data2 = data.uplink_message.decoded_payload;
105 ->var flg = data.uplink_message.f_port
106 ->for (var key in data2) {
107 -> model[key] = data2[key];
108 ->}
109 ->var obj =  {"devid":deviceName}
110 ->var result = {
111 -> deviceName: deviceName,
112 -> deviceType: deviceType,
113 -> telemetry: model,
114 -> groupName: "Case Study",
115 -> attributes:{"devid":deviceName,
116 -> "timevalue":"test",
117 -> "inactivityTimeout":1260000
118 -> }
119 ->};
120 ->function decodeToString(payload) {
121 -> return String.fromCharCode.apply(String, payload);
122 ->}function decodeToJson(payload) {
123 -> var str = decodeToString(payload);
124 -> var data = JSON.parse(str);
125 -> return data;
126 ->}
127 ->if (flg===2){
128 ->return result;
129 ->}
130 -
131 -
132 -(% class="lead" %)
133 -Input Downlink Converter
134 -
135 -[[image:1728536142721-488.png||height="470" width="407"]]
136 -
137 -Example Code as below:
138 -
139 ->function hexToBase64(hexString) {
140 -> var bytes = hexString.match(/.{2}/g);
141 -> var binaryString = bytes.map(function(byte) {
142 -> return String.fromCharCode(parseInt(byte, 16));
143 -> }).join('');
144 ->
145 -> return btoa(binaryString);
146 ->}
147 ->var flg = "shared_value" in metadata
148 ->var value2 = parseInt(metadata.ss_timevalue).toString(16)if (value2.length==1){
149 -> value2 = "00000"+parseInt(metadata.ss_timevalue).toString(16)
150 ->}
151 ->else if (value2.length==2){
152 -> value2 = "0000"+parseInt(metadata.ss_timevalue).toString(16)
153 ->}
154 ->else if (value2.length==3){
155 -> value2 = "000"+parseInt(metadata.ss_timevalue).toString(16)
156 ->}
157 ->else if (value2.length==4){
158 -> value2 = "00"+parseInt(metadata.ss_timevalue).toString(16)
159 ->}
160 ->else if (value2.length==5){
161 -> value2 = "0"+parseInt(metadata.ss_timevalue).toString(16)
162 ->}
163 ->else {
164 -> value2 = value2
165 ->}
166 ->var data = "01"+value2
167 ->if (flg === true){
168 ->data = {
169 -> downlinks: [{
170 -> f_port: 1,
171 -> confirmed: false,
172 -> frm_payload: hexToBase64(metadata.shared_value),
173 -> priority: "NORMAL"
174 -> }]
175 -> };
176 ->}
177 ->else{
178 -> data = {
179 -> downlinks: [{
180 -> f_port: 1,
181 -> confirmed: false,
182 -> frm_payload: hexToBase64(data),
183 -> priority: "NORMAL"
184 -> }]
185 -> };
186 ->}
187 ->var result = {
188 -> contentType: "JSON",
189 -> data: JSON.stringify(data),
190 -> metadata: {
191 -> devId: metadata.ss_devid
192 -> }
193 ->};
194 ->if (metadata.shared_timevalue!=="test" || metadata.ss_timevalue!=="test"){
195 ->return result;
196 ->}
197 -
198 -
199 -(% class="lead" %)
200 -Set up Connection to The Things Network application
201 -
202 -[[image:1728536305503-380.png||height="510" width="1206"]]
203 -
204 -
205 -
206 -(% class="lead" %)
207 -Test Connection & Add iIntegration
208 -
209 -[[image:1728536374214-962.png]]
210 -
211 -After add , we can see the integration here:
212 -
213 -[[image:1728536420275-153.png||height="208" width="1404"]]
214 -
215 -
216 -== 2.3 Test Uplink ==
217 -
218 -We can use Simulate Uplink to simulate an uplink in the things stack. Then we should be able to see the message in ThingsEye
219 -
220 -[[image:1728536524638-768.png||height="493" width="1071"]]
221 -
222 -
223 -[[image:1728536541040-814.png]]
224 -
74 +
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