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 < 18.5 >
edited by Xiaoling
on 2022/07/22 11:59
>
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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  (((
... ... @@ -17,13 +17,14 @@
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 25  
26 26  
26 +
27 27  = 2. How it works =
28 28  
29 29  
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47 47  
48 48  We need to input above keys in LG308 and enable ABP decryption.
49 49  
50 -
51 51  [[image:image-20220527161119-1.png]]
52 52  
53 -
54 54  Input the ABP keys in LG308
55 55  
56 56  
55 +
57 57  == 2.1 Upstream ==
58 58  
59 59  
... ... @@ -60,18 +60,14 @@
60 60  Now when this End Node (Dev Addr=2602111D) send a uplink packet. When this packet arrive LG308, LG308 will decode it and put the decode data on the file /var/iot/channels/2602111D . So we have this data for further process with other applications in LG308.
61 61  
62 62  (((
63 -We can see the log of LG308 to know this packet arrive.
64 -
65 -
62 +We can see the log of LG308 to know this packet arrive
66 66  )))
67 67  
68 68  [[image:image-20220527161149-2.png]]
69 69  
70 -
71 71  LG308 log by "(% style="color:red" %)**logread -f**" (%%)command
72 72  
73 73  
74 -
75 75  The data of End Node is stored in the file /var/iot/channels/2602111D. We can use hexdump command to check it.
76 76  
77 77  (% class="box" %)
... ... @@ -83,11 +83,12 @@
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  
84 +
85 +
86 +
91 91  (% class="box" %)
92 92  (((
93 93  (% style="color:red" %)**Notice 1**(%%): The data file stored in LG308 for the end node is bin file. If the end node sends ASCII string to gateway, the output will as below:
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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 +
173 +
179 179  == 2.2 Downstream ==
180 180  
181 181  
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185 185  
186 186  (% style="color:#037691" %)**dev_addr,imme/time,txt/hex,payload**
187 187  
183 +Since fimware > Dragino-v2 lgw-5.4.1608518541 . Support more option
188 188  
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
185 +(% style="color:#037691" %)**dev_addr,imme/time,txt/hex,payload,txpw,txbw,SF,frequency,rxwindow**
190 190  
191 -(% style="color:#037691" %)**dev_addr,imme/time,txt/hex,payload,txpw,txbw,SF,frequency,rxwindow,Fport**
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.
217 217  
218 -* **Fport: **Transmit port,example:8
219 219  
220 -
221 -
222 222  (% style="color:blue" %)**Completely exmaple:**
223 223  
224 224  * **Old version:** echo 018193F4,imme,hex,0101 > /var/iot/push/test
209 +* **New version:** echo 018193F4,imme,hex,0101,20,1,SF12,923300000,2 > /var/iot/push/test
225 225  
226 -* **New version:** echo 018193F4,imme,hex,0101,20,1,SF12,923300000,2,8 > /var/iot/push/test
227 227  
212 +(% style="color:#037691" %)**Downstream Frequency**
228 228  
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  
225 +
250 250  (% style="color:#037691" %)**Examples:**
251 251  
252 252  (% class="box" %)
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295 295  )))
296 296  
297 297  
274 +
298 298  = 3. Example 1: Communicate with LT-22222-L =
299 299  
300 300  
... ... @@ -339,44 +339,38 @@
339 339  )))
340 340  
341 341  
342 -(% style="color:blue" %)**1. Input keys**
319 +**~1. Input keys**
343 343  
344 -
345 345  [[image:image-20220527162450-3.png]]
346 346  
347 347  Input Keys in LPS8
348 348  
349 349  
326 +**2. Make sure the LPS8 and LT use the same frequency bands, choose EU868 in this test.**
350 350  
351 -(% style="color:blue" %)**2. Make sure the LPS8 and LT use the same frequency bands, choose EU868 in this test.**
352 352  
329 +**3. Choose Built-in server**
353 353  
354 -(% style="color:blue" %)**3. Choose Built-in server**
355 -
356 -
357 357  [[image:image-20220527162518-4.png]]
358 358  
359 359  Choose Built-in server
360 360  
361 361  
336 +**4. Run the script.**
362 362  
363 -(% style="color:blue" %)**4. Run the script.**
364 -
365 -
366 366  [[image:image-20220722115213-2.png]]
367 367  
368 368  Run the script
369 369  
370 370  
343 +**5. Output:**
371 371  
372 -(% style="color:blue" %)**5. Output:**
373 -
374 -
375 375  [[image:image-20220722115133-1.png]]
376 376  
377 377  Output from LPS8
378 378  
379 379  
350 +
380 380  = 4. Example 2: Communicate to TCP Server =
381 381  
382 382  
... ... @@ -387,9 +387,9 @@
387 387  
388 388  Full instruction video inlcude how to write scripts to fit server needed is here:
389 389  
361 +
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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402 402  
403 403  
404 404  
405 -(% style="color:blue" %)**run socket tool in PC**
376 +**run socket tool in PC**
406 406  
407 -
408 408  [[image:image-20220527163028-9.png]]
409 409  
410 410  
... ... @@ -412,9 +412,8 @@
412 412  
413 413  
414 414  
415 -(% style="color:blue" %)**Input Server address and port**
385 +**Input Server address and port**
416 416  
417 -
418 418  [[image:image-20220527163106-10.png]]
419 419  
420 420  Input Server address and port
... ... @@ -421,11 +421,10 @@
421 421  
422 422  
423 423  
424 -(% style="color:blue" %)**See value receive in socket tool:**
393 +**See value receive in socket tool:**
425 425  
395 +[[image:image-20220527163144-11.png]]
426 426  
427 -[[image:image-20220527163144-11.png||height="502" width="1371"]]
428 -
429 429  value receive in socket tool
430 430  
431 431  

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