Last modified by Xiaoling on 2023/04/20 18:14
<
From version < 21.3 >
edited by Xiaoling
on 2023/04/20 17:54
To version < 20.1 >
edited by Kilight Cao
on 2022/12/01 14:00
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1 -XWiki.Xiaoling
1 +XWiki.Kilight
Content
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10 10  The Dragino LoRaWAN gateway can commuicate with LoRaWAN ABP End Node without the need of LoRaWAN server. It can be used in some cases such as:
11 11  
12 12  * No internet connection.
13 -
14 14  * User wants to get data forward in gateway and forward to their server base on MQTT/HTTP, etc. (Combine ABP communication method and [[MQTT forward together>>MQTT Forward Instruction]]).
15 15  
16 16  (((
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17 17  The basic of this feature is the decoding of (% style="color:red" %)**LoRaWAN ABP End Node**(%%). Requirements:
18 18  )))
19 19  
20 -* LoRaWAN End Node in ABP mode. Make sure your end node works in this mode. End node most are default set to OTAA mode
19 +1. LoRaWAN End Node in ABP mode. Make sure your end node works in this mode. End node most are default set to OTAA mode
20 +1. LoRaWAN Gateway model: [[LPS8>>url:http://www.dragino.com/products/lora-lorawan-gateway/item/148-lps8.html]], [[LG308>>url:http://www.dragino.com/products/lora-lorawan-gateway/item/140-lg308.html]], [[DLOS8>>url:http://www.dragino.com/products/lora-lorawan-gateway/item/160-dlos8.html]] ,[[LIG16>>url:http://www.dragino.com/products/lora-lorawan-gateway/item/171-lig16.html]]
21 +1. Firmware version for below instruction:**[[(% style="color:purple" %)Since LG02_LG08~~-~~-build-v5.4.1593400722-20200629-1120>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_Gateway/LPS8/Firmware/Release/]](%%)**
21 21  
22 -* LoRaWAN Gateway model: [[LPS8>>url:http://www.dragino.com/products/lora-lorawan-gateway/item/148-lps8.html]], [[LG308>>url:http://www.dragino.com/products/lora-lorawan-gateway/item/140-lg308.html]], [[DLOS8>>url:http://www.dragino.com/products/lora-lorawan-gateway/item/160-dlos8.html]] ,[[LIG16>>url:http://www.dragino.com/products/lora-lorawan-gateway/item/171-lig16.html]]
23 23  
24 -* Firmware version for below instruction:  **[[(% style="color:purple" %)Since LG02_LG08~~-~~-build-v5.4.1593400722-20200629-1120>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_Gateway/LPS8/Firmware/Release/]](%%)**
25 -
26 -
27 27  = 2. How it works =
28 28  
29 29  
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54 54  Input the ABP keys in LG308
55 55  
56 56  
54 +
57 57  == 2.1 Upstream ==
58 58  
59 59  
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83 83  )))
84 84  
85 85  * **RSSI**: 4646 4646 4646 3946 = 0xFFFF FF9F : So RSSI = (0xFFFF FF9F - 0x100000000) = -97
86 -
87 87  * **SNR**: 3030 3030 3030 3546 = 0x0000 005F = 95, need to divide 10 so SNR is 9.5
88 -
89 89  * **Payload**: 0xcc0c 0b63 0266 017f ff7f ff00
90 90  
91 91  (% class="box" %)
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105 105  )))
106 106  
107 107  
104 +
108 108  === 2.2.1 Decode Method ===
109 109  
110 110  
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144 144  Above scripts are store in /etc/lora/decoder/. User can put their scripts here and select it in the UI.
145 145  
146 146  
144 +
147 147  === 2.2.2 How to Decode My End Node ===
148 148  
149 149  
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165 165  **Some notice:**
166 166  
167 167  * RSSI and SNR are added when gateway receive the packet, so there is always this field.
168 -
169 169  * If you rename the file, please make it executable.
170 -
171 171  * See this link for lua.bit module: [[http:~~/~~/luaforge.net/projects/bit/>>url:http://luaforge.net/projects/bit/]]
172 -
173 173  * Lua json module: [[http:~~/~~/json.luaforge.net/>>url:http://json.luaforge.net/]]
174 -
175 175  * the last line return is what will be used for MQTT
176 -
177 177  * User can use other language ,not limited to Lua, just make sure the return is what you want to send.
178 178  
172 +
179 179  == 2.2 Downstream ==
180 180  
181 181  
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188 188  
189 189  Since fimware > [[Dragino lgw~~-~~-build-v5.4.1668567157>>https://www.dragino.com/downloads/index.php?dir=LoRa_Gateway/LG308-LG301/Firmware/Release/]] . Support more option
190 190  
191 -(% style="color:#037691" %)**dev_addr,imme/time,txt/hex,payload,txpw,txbw,SF,frequency,rxwindow,Fport**
185 +(% style="color:#037691" %)**dev_addr,imme/time,txt/hex,payload,txpw,txbw,SF,frequency,rxwindow**
192 192  
193 193  * **dev_addr:** Inptu the device address
194 -
195 195  * **imme/time:**
196 196  ** imme: send downstream immediately,For Class C end node.
197 197  ** time: send downstream after receive device's uplink. For Class A end node
198 -
199 199  * **txt/hex:**
200 200  ** txt: send payload in ASCII
201 201  ** hex: send payload in HEX
202 -
203 203  * **payload: **payload to be sent, payload lenght should match the LoRaWAN protocol requirement.
204 -
205 205  * **txpw:** Transmit Power. example: 20
206 -
207 207  * **txbw:** bandwidth:
208 208  ** 1: 500 kHz
209 209  ** 2: 250 kHz
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210 210  ** 3: 125 kHz
211 211  ** 4: 62.5 kHz
212 212  * **SF:** Spreading Factor : SF7/SF8/SF9/SF10/SF11/SF12
213 -
214 214  * **Frequency:** Transmit Frequency: example: 923300000
215 -
216 216  * **rxwindow:** transmit on Rx1Window or Rx2Window.
217 -
218 218  * **Fport: **Transmit port,example:8
219 219  
220 220  
221 -
222 222  (% style="color:blue" %)**Completely exmaple:**
223 223  
224 224  * **Old version:** echo 018193F4,imme,hex,0101 > /var/iot/push/test
210 +* **New version:** echo 018193F4,imme,hex,0101,20,1,SF12,923300000,2,2 > /var/iot/push/test
225 225  
226 -* **New version:** echo 018193F4,imme,hex,0101,20,1,SF12,923300000,2,8 > /var/iot/push/test
212 +(% style="color:#037691" %)**Downstream Frequency:**
227 227  
228 -
229 -
230 -Downstream(% style="color:#037691" %)** Frequency:**
231 -
232 232  The LG308 will use the RX2 window info to send the downstream payload, use the default LoRaWAN settings, as below:
233 233  
234 234  * EU868: 869.525Mhz, DR0(SF12BW125)
235 -
236 236  * US915: 923.3Mhz, SF12 BW500
237 -
238 238  * CN470: 505.3Mhz, SF12 BW125
239 -
240 240  * AU915: 923.3Mhz, SF12 BW500
241 -
242 242  * AS923: 923.2Mhz, SF10 BW125
243 -
244 244  * KR920: 921.9Mhz, SF12 BW125
245 -
246 246  * IN865: 866.55Mhz, SF10 BW125
247 -
248 248  * RU864: 869.1Mhz, SF12 BW125
249 249  
250 250  (% style="color:#037691" %)**Examples:**
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295 295  )))
296 296  
297 297  
273 +
298 298  = 3. Example 1: Communicate with LT-22222-L =
299 299  
300 300  
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377 377  Output from LPS8
378 378  
379 379  
356 +
380 380  = 4. Example 2: Communicate to TCP Server =
381 381  
382 382  
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387 387  
388 388  Full instruction video inlcude how to write scripts to fit server needed is here:
389 389  
367 +
390 390  (% style="color:#037691" %)**Video Instruction**(%%): **[[https:~~/~~/youtu.be/-nevW6U2TsE>>url:https://youtu.be/-nevW6U2TsE]]**
391 391  
392 -(% style="display:none" %) (%%)
393 393  
394 394  (% style="color:red" %)**Note: Firmware version must be higher than lgw-5.4.1607519907**
395 395  
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424 424  (% style="color:blue" %)**See value receive in socket tool:**
425 425  
426 426  
427 -[[image:image-20220527163144-11.png||height="502" width="1371"]]
404 +[[image:image-20220527163144-11.png]]
428 428  
429 429  value receive in socket tool
430 430  

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