Last modified by Xiaoling on 2023/04/20 18:14
<
From version < 21.4 >
edited by Xiaoling
on 2023/04/20 18:11
To version < 19.1 >
edited by Xiaoye
on 2022/08/02 11:54
>
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1 -XWiki.Xiaoling
1 +XWiki.Xiaoye
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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 25  
26 -
27 -
28 28  = 2. How it works =
29 29  
30 30  
... ... @@ -48,13 +48,12 @@
48 48  
49 49  We need to input above keys in LG308 and enable ABP decryption.
50 50  
51 -
52 52  [[image:image-20220527161119-1.png]]
53 53  
54 -
55 55  Input the ABP keys in LG308
56 56  
57 57  
53 +
58 58  == 2.1 Upstream ==
59 59  
60 60  
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61 61  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.
62 62  
63 63  (((
64 -We can see the log of LG308 to know this packet arrive.
65 -
66 -
60 +We can see the log of LG308 to know this packet arrive
67 67  )))
68 68  
69 69  [[image:image-20220527161149-2.png]]
70 70  
71 -
72 72  LG308 log by "(% style="color:red" %)**logread -f**" (%%)command
73 73  
74 74  
75 -
76 76  The data of End Node is stored in the file /var/iot/channels/2602111D. We can use hexdump command to check it.
77 77  
78 78  (% class="box" %)
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84 84  )))
85 85  
86 86  * **RSSI**: 4646 4646 4646 3946 = 0xFFFF FF9F : So RSSI = (0xFFFF FF9F - 0x100000000) = -97
87 -
88 88  * **SNR**: 3030 3030 3030 3546 = 0x0000 005F = 95, need to divide 10 so SNR is 9.5
89 -
90 90  * **Payload**: 0xcc0c 0b63 0266 017f ff7f ff00
91 91  
82 +
92 92  (% class="box" %)
93 93  (((
94 94  (% 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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106 106  )))
107 107  
108 108  
100 +
109 109  === 2.2.1 Decode Method ===
110 110  
111 111  
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145 145  Above scripts are store in /etc/lora/decoder/. User can put their scripts here and select it in the UI.
146 146  
147 147  
140 +
148 148  === 2.2.2 How to Decode My End Node ===
149 149  
150 150  
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166 166  **Some notice:**
167 167  
168 168  * RSSI and SNR are added when gateway receive the packet, so there is always this field.
169 -
170 170  * If you rename the file, please make it executable.
171 -
172 172  * See this link for lua.bit module: [[http:~~/~~/luaforge.net/projects/bit/>>url:http://luaforge.net/projects/bit/]]
173 -
174 174  * Lua json module: [[http:~~/~~/json.luaforge.net/>>url:http://json.luaforge.net/]]
175 -
176 176  * the last line return is what will be used for MQTT
177 -
178 178  * User can use other language ,not limited to Lua, just make sure the return is what you want to send.
179 179  
180 180  
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188 188  
189 189  (% style="color:#037691" %)**dev_addr,imme/time,txt/hex,payload**
190 190  
179 +Since fimware > Dragino-v2 lgw-5.4.1608518541 . Support more option
191 191  
192 -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
181 +(% style="color:#037691" %)**dev_addr,imme/time,txt/hex,payload,txpw,txbw,SF,frequency,rxwindow**
193 193  
194 -(% style="color:#037691" %)**dev_addr,imme/time,txt/hex,payload,txpw,txbw,SF,frequency,rxwindow,Fport**
195 -
196 196  * **dev_addr:** Inptu the device address
197 -
198 198  * **imme/time:**
199 199  ** imme: send downstream immediately,For Class C end node.
200 200  ** time: send downstream after receive device's uplink. For Class A end node
201 -
202 202  * **txt/hex:**
203 203  ** txt: send payload in ASCII
204 204  ** hex: send payload in HEX
205 -
206 206  * **payload: **payload to be sent, payload lenght should match the LoRaWAN protocol requirement.
207 -
208 208  * **txpw:** Transmit Power. example: 20
209 -
210 210  * **txbw:** bandwidth:
211 211  ** 1: 500 kHz
212 212  ** 2: 250 kHz
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213 213  ** 3: 125 kHz
214 214  ** 4: 62.5 kHz
215 215  * **SF:** Spreading Factor : SF7/SF8/SF9/SF10/SF11/SF12
216 -
217 217  * **Frequency:** Transmit Frequency: example: 923300000
218 -
219 219  * **rxwindow:** transmit on Rx1Window or Rx2Window.
220 220  
221 -* **Fport: **Transmit port,example:8
222 -
223 -
224 224  (% style="color:blue" %)**Completely exmaple:**
225 225  
226 226  * **Old version:** echo 018193F4,imme,hex,0101 > /var/iot/push/test
204 +* **New version:** echo 018193F4,imme,hex,0101,20,1,SF12,923300000,2 > /var/iot/push/test
227 227  
228 -* **New version:** echo 018193F4,imme,hex,0101,20,1,SF12,923300000,2,8 > /var/iot/push/test
206 +(% style="color:#037691" %)**Downstream Frequency**
229 229  
230 -
231 -Downstream(% style="color:#037691" %)** Frequency:**
232 -
233 233  The LG308 will use the RX2 window info to send the downstream payload, use the default LoRaWAN settings, as below:
234 234  
235 235  * EU868: 869.525Mhz, DR0(SF12BW125)
236 -
237 237  * US915: 923.3Mhz, SF12 BW500
238 -
239 239  * CN470: 505.3Mhz, SF12 BW125
240 -
241 241  * AU915: 923.3Mhz, SF12 BW500
242 -
243 243  * AS923: 923.2Mhz, SF10 BW125
244 -
245 245  * KR920: 921.9Mhz, SF12 BW125
246 -
247 247  * IN865: 866.55Mhz, SF10 BW125
248 -
249 249  * RU864: 869.1Mhz, SF12 BW125
250 250  
251 -
252 -
253 253  (% style="color:#037691" %)**Examples:**
254 254  
255 255  (% class="box" %)
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298 298  )))
299 299  
300 300  
267 +
301 301  = 3. Example 1: Communicate with LT-22222-L =
302 302  
303 303  
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342 342  )))
343 343  
344 344  
345 -(% style="color:blue" %)**1. Input keys**
312 +**~1. Input keys**
346 346  
347 -
348 348  [[image:image-20220527162450-3.png]]
349 349  
350 350  Input Keys in LPS8
351 351  
352 352  
319 +**2. Make sure the LPS8 and LT use the same frequency bands, choose EU868 in this test.**
353 353  
354 -(% style="color:blue" %)**2. Make sure the LPS8 and LT use the same frequency bands, choose EU868 in this test.**
355 355  
322 +**3. Choose Built-in server**
356 356  
357 -(% style="color:blue" %)**3. Choose Built-in server**
358 -
359 -
360 360  [[image:image-20220527162518-4.png]]
361 361  
362 362  Choose Built-in server
363 363  
364 364  
329 +**4. Run the script.**
365 365  
366 -(% style="color:blue" %)**4. Run the script.**
367 -
368 -
369 369  [[image:image-20220722115213-2.png]]
370 370  
371 371  Run the script
372 372  
373 373  
336 +**5. Output:**
374 374  
375 -(% style="color:blue" %)**5. Output:**
376 -
377 -
378 378  [[image:image-20220722115133-1.png]]
379 379  
380 380  Output from LPS8
381 381  
382 382  
343 +
383 383  = 4. Example 2: Communicate to TCP Server =
384 384  
385 385  
... ... @@ -390,9 +390,9 @@
390 390  
391 391  Full instruction video inlcude how to write scripts to fit server needed is here:
392 392  
354 +
393 393  (% style="color:#037691" %)**Video Instruction**(%%): **[[https:~~/~~/youtu.be/-nevW6U2TsE>>url:https://youtu.be/-nevW6U2TsE]]**
394 394  
395 -(% style="display:none" %) (%%)
396 396  
397 397  (% style="color:red" %)**Note: Firmware version must be higher than lgw-5.4.1607519907**
398 398  
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405 405  
406 406  
407 407  
408 -(% style="color:blue" %)**run socket tool in PC**
369 +**run socket tool in PC**
409 409  
410 -
411 411  [[image:image-20220527163028-9.png]]
412 412  
413 413  
... ... @@ -415,9 +415,8 @@
415 415  
416 416  
417 417  
418 -(% style="color:blue" %)**Input Server address and port**
378 +**Input Server address and port**
419 419  
420 -
421 421  [[image:image-20220527163106-10.png]]
422 422  
423 423  Input Server address and port
... ... @@ -424,11 +424,10 @@
424 424  
425 425  
426 426  
427 -(% style="color:blue" %)**See value receive in socket tool:**
386 +**See value receive in socket tool:**
428 428  
388 +[[image:image-20220527163144-11.png]]
429 429  
430 -[[image:image-20220527163144-11.png||height="502" width="1371"]]
431 -
432 432  value receive in socket tool
433 433  
434 434  

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