Last modified by Xiaoling on 2023/04/20 18:14
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From version < 16.4 >
edited by Xiaoling
on 2022/07/22 11:45
To version < 21.4 >
edited by Xiaoling
on 2023/04/20 18:11
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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 +
13 13  * 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]]).
14 14  
15 15  (((
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16 16  The basic of this feature is the decoding of (% style="color:red" %)**LoRaWAN ABP End Node**(%%). Requirements:
17 17  )))
18 18  
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/]](%%)**
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
22 22  
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 +
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 +
23 23  = 2. How it works =
24 24  
25 25  
... ... @@ -43,8 +43,10 @@
43 43  
44 44  We need to input above keys in LG308 and enable ABP decryption.
45 45  
51 +
46 46  [[image:image-20220527161119-1.png]]
47 47  
54 +
48 48  Input the ABP keys in LG308
49 49  
50 50  
... ... @@ -54,14 +54,18 @@
54 54  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.
55 55  
56 56  (((
57 -We can see the log of LG308 to know this packet arrive
64 +We can see the log of LG308 to know this packet arrive.
65 +
66 +
58 58  )))
59 59  
60 60  [[image:image-20220527161149-2.png]]
61 61  
71 +
62 62  LG308 log by "(% style="color:red" %)**logread -f**" (%%)command
63 63  
64 64  
75 +
65 65  The data of End Node is stored in the file /var/iot/channels/2602111D. We can use hexdump command to check it.
66 66  
67 67  (% class="box" %)
... ... @@ -73,7 +73,9 @@
73 73  )))
74 74  
75 75  * **RSSI**: 4646 4646 4646 3946 = 0xFFFF FF9F : So RSSI = (0xFFFF FF9F - 0x100000000) = -97
87 +
76 76  * **SNR**: 3030 3030 3030 3546 = 0x0000 005F = 95, need to divide 10 so SNR is 9.5
89 +
77 77  * **Payload**: 0xcc0c 0b63 0266 017f ff7f ff00
78 78  
79 79  (% class="box" %)
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86 86  000001c
87 87  )))
88 88  
102 +
89 89  (% class="box" %)
90 90  (((
91 91  (% style="color:red" %)**Notice 2**(%%): The upstream payload length should match the LoRaWAN length requirement (max length depends on Frequency and DR), otherwise the gateway can't decode the payload.
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131 131  Above scripts are store in /etc/lora/decoder/. User can put their scripts here and select it in the UI.
132 132  
133 133  
134 -
135 135  === 2.2.2 How to Decode My End Node ===
136 136  
137 137  
... ... @@ -153,13 +153,19 @@
153 153  **Some notice:**
154 154  
155 155  * RSSI and SNR are added when gateway receive the packet, so there is always this field.
169 +
156 156  * If you rename the file, please make it executable.
171 +
157 157  * See this link for lua.bit module: [[http:~~/~~/luaforge.net/projects/bit/>>url:http://luaforge.net/projects/bit/]]
173 +
158 158  * Lua json module: [[http:~~/~~/json.luaforge.net/>>url:http://json.luaforge.net/]]
175 +
159 159  * the last line return is what will be used for MQTT
177 +
160 160  * User can use other language ,not limited to Lua, just make sure the return is what you want to send.
161 161  
162 162  
181 +
163 163  == 2.2 Downstream ==
164 164  
165 165  
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169 169  
170 170  (% style="color:#037691" %)**dev_addr,imme/time,txt/hex,payload**
171 171  
172 -Since fimware > Dragino-v2 lgw-5.4.1608518541 . Support more option
173 173  
174 -(% style="color:#037691" %)**dev_addr,imme/time,txt/hex,payload,txpw,txbw,SF,frequency,rxwindow**
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
175 175  
194 +(% style="color:#037691" %)**dev_addr,imme/time,txt/hex,payload,txpw,txbw,SF,frequency,rxwindow,Fport**
195 +
176 176  * **dev_addr:** Inptu the device address
197 +
177 177  * **imme/time:**
178 178  ** imme: send downstream immediately,For Class C end node.
179 179  ** time: send downstream after receive device's uplink. For Class A end node
201 +
180 180  * **txt/hex:**
181 181  ** txt: send payload in ASCII
182 182  ** hex: send payload in HEX
205 +
183 183  * **payload: **payload to be sent, payload lenght should match the LoRaWAN protocol requirement.
207 +
184 184  * **txpw:** Transmit Power. example: 20
209 +
185 185  * **txbw:** bandwidth:
186 186  ** 1: 500 kHz
187 187  ** 2: 250 kHz
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188 188  ** 3: 125 kHz
189 189  ** 4: 62.5 kHz
190 190  * **SF:** Spreading Factor : SF7/SF8/SF9/SF10/SF11/SF12
216 +
191 191  * **Frequency:** Transmit Frequency: example: 923300000
218 +
192 192  * **rxwindow:** transmit on Rx1Window or Rx2Window.
193 193  
221 +* **Fport: **Transmit port,example:8
194 194  
195 195  
196 196  (% style="color:blue" %)**Completely exmaple:**
197 197  
198 198  * **Old version:** echo 018193F4,imme,hex,0101 > /var/iot/push/test
199 -* **New version:** echo 018193F4,imme,hex,0101,20,1,SF12,923300000,2 > /var/iot/push/test
200 200  
228 +* **New version:** echo 018193F4,imme,hex,0101,20,1,SF12,923300000,2,8 > /var/iot/push/test
201 201  
202 202  
203 -(% style="color:#037691" %)**Downstream Frequency**
231 +Downstream(% style="color:#037691" %)** Frequency:**
204 204  
205 205  The LG308 will use the RX2 window info to send the downstream payload, use the default LoRaWAN settings, as below:
206 206  
207 207  * EU868: 869.525Mhz, DR0(SF12BW125)
236 +
208 208  * US915: 923.3Mhz, SF12 BW500
238 +
209 209  * CN470: 505.3Mhz, SF12 BW125
240 +
210 210  * AU915: 923.3Mhz, SF12 BW500
242 +
211 211  * AS923: 923.2Mhz, SF10 BW125
244 +
212 212  * KR920: 921.9Mhz, SF12 BW125
246 +
213 213  * IN865: 866.55Mhz, SF10 BW125
248 +
214 214  * RU864: 869.1Mhz, SF12 BW125
215 215  
216 216  
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260 260  Rssi= -37
261 261  Receive data
262 262  (% style="color:#037691" %)**2:3132333435363738**(%%) ~-~-> ASCII string "12345678"
263 -
264 -
265 265  )))
266 266  
267 267  
... ... @@ -308,33 +308,42 @@
308 308  #  whether the Device 2 has been changed.//
309 309  )))
310 310  
311 -**~1. Input keys**
312 312  
345 +(% style="color:blue" %)**1. Input keys**
346 +
347 +
313 313  [[image:image-20220527162450-3.png]]
314 314  
315 315  Input Keys in LPS8
316 316  
317 317  
318 -**2. Make sure the LPS8 and LT use the same frequency bands, choose EU868 in this test.**
319 319  
320 -**3. Choose Built-in server**
354 +(% style="color:blue" %)**2. Make sure the LPS8 and LT use the same frequency bands, choose EU868 in this test.**
321 321  
356 +
357 +(% style="color:blue" %)**3. Choose Built-in server**
358 +
359 +
322 322  [[image:image-20220527162518-4.png]]
323 323  
324 324  Choose Built-in server
325 325  
326 326  
327 -**4. Run the script.**
328 328  
329 -[[image:image-20220527162552-5.png]]
366 +(% style="color:blue" %)**4. Run the script.**
330 330  
368 +
369 +[[image:image-20220722115213-2.png]]
370 +
331 331  Run the script
332 332  
333 333  
334 -**5. Output:**
335 335  
336 -[[image:image-20220527162619-6.png]]
375 +(% style="color:blue" %)**5. Output:**
337 337  
377 +
378 +[[image:image-20220722115133-1.png]]
379 +
338 338  Output from LPS8
339 339  
340 340  
... ... @@ -348,9 +348,9 @@
348 348  
349 349  Full instruction video inlcude how to write scripts to fit server needed is here:
350 350  
351 -
352 352  (% style="color:#037691" %)**Video Instruction**(%%): **[[https:~~/~~/youtu.be/-nevW6U2TsE>>url:https://youtu.be/-nevW6U2TsE]]**
353 353  
395 +(% style="display:none" %) (%%)
354 354  
355 355  (% style="color:red" %)**Note: Firmware version must be higher than lgw-5.4.1607519907**
356 356  
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363 363  
364 364  
365 365  
366 -**run socket tool in PC**
408 +(% style="color:blue" %)**run socket tool in PC**
367 367  
410 +
368 368  [[image:image-20220527163028-9.png]]
369 369  
370 370  
... ... @@ -372,8 +372,9 @@
372 372  
373 373  
374 374  
375 -**Input Server address and port**
418 +(% style="color:blue" %)**Input Server address and port**
376 376  
420 +
377 377  [[image:image-20220527163106-10.png]]
378 378  
379 379  Input Server address and port
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380 380  
381 381  
382 382  
383 -**See value receive in socket tool:**
427 +(% style="color:blue" %)**See value receive in socket tool:**
384 384  
385 -[[image:image-20220527163144-11.png]]
386 386  
430 +[[image:image-20220527163144-11.png||height="502" width="1371"]]
431 +
387 387  value receive in socket tool
388 388  
389 389  
image-20220722115133-1.png
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