Last modified by Hera Guo on 2025/02/18 09:29
From version 12.1
edited by Chxy
on 2024/10/15 23:42
Change comment: There is no comment for this version
To version 10.1
edited by Chxy
on 2024/10/11 09:41
Change comment: There is no comment for this version

Summary

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Content
... ... @@ -44,7 +44,7 @@
44 44  
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 -* Set to use ThingsEye UDP server: **AT+SERVADDR=server1.thingseye.io,11562**
47 +* Set to use ThingsEye UDP server: **AT+SERVADDR=server1.thingseye.io,11560**
48 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  
... ... @@ -95,17 +95,107 @@
95 95  
96 96  [[image:1728535941851-388.png||height="466" width="398"]]
97 97  
98 -Demo JavaScript Code: [[https:~~/~~/raw.githubusercontent.com/ThingsEye-io/te-platform/refs/heads/main/Data%20Converters/The_Things_Network_MQTT_Uplink_Converter.js >>https://raw.githubusercontent.com/ThingsEye-io/te-platform/refs/heads/main/Data%20Converters/The_Things_Network_MQTT_Uplink_Converter.js]]
98 +Demo Code as below:
99 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 +>}
100 100  
131 +
101 101  (% class="lead" %)
102 102  Input Downlink Converter
103 103  
104 104  [[image:1728536142721-488.png||height="470" width="407"]]
105 105  
106 -Example Javascript Code as below: [[https:~~/~~/raw.githubusercontent.com/ThingsEye-io/te-platform/refs/heads/main/Data%20Converters/The_Things_Network_MQTT_Downlink_Converter.js>>https://raw.githubusercontent.com/ThingsEye-io/te-platform/refs/heads/main/Data%20Converters/The_Things_Network_MQTT_Downlink_Converter.js]]
137 +Example Code as below:
107 107  
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 +>}
108 108  
198 +
109 109  (% class="lead" %)
110 110  Set up Connection to The Things Network application
111 111