Last modified by Xiaoling on 2023/04/20 18:14
<
From version < 18.3 >
edited by Xiaoling
on 2022/07/22 11:58
To version < 21.3 >
edited by Xiaoling
on 2023/04/20 17:54
>
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... ... @@ -10,6 +10,7 @@
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  (((
... ... @@ -16,11 +16,11 @@
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 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/]](%%)**
24 24  
25 25  
26 26  = 2. How it works =
... ... @@ -46,8 +46,10 @@
46 46  
47 47  We need to input above keys in LG308 and enable ABP decryption.
48 48  
50 +
49 49  [[image:image-20220527161119-1.png]]
50 50  
53 +
51 51  Input the ABP keys in LG308
52 52  
53 53  
... ... @@ -57,14 +57,18 @@
57 57  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.
58 58  
59 59  (((
60 -We can see the log of LG308 to know this packet arrive
63 +We can see the log of LG308 to know this packet arrive.
64 +
65 +
61 61  )))
62 62  
63 63  [[image:image-20220527161149-2.png]]
64 64  
70 +
65 65  LG308 log by "(% style="color:red" %)**logread -f**" (%%)command
66 66  
67 67  
74 +
68 68  The data of End Node is stored in the file /var/iot/channels/2602111D. We can use hexdump command to check it.
69 69  
70 70  (% class="box" %)
... ... @@ -76,7 +76,9 @@
76 76  )))
77 77  
78 78  * **RSSI**: 4646 4646 4646 3946 = 0xFFFF FF9F : So RSSI = (0xFFFF FF9F - 0x100000000) = -97
86 +
79 79  * **SNR**: 3030 3030 3030 3546 = 0x0000 005F = 95, need to divide 10 so SNR is 9.5
88 +
80 80  * **Payload**: 0xcc0c 0b63 0266 017f ff7f ff00
81 81  
82 82  (% class="box" %)
... ... @@ -89,6 +89,7 @@
89 89  000001c
90 90  )))
91 91  
101 +
92 92  (% class="box" %)
93 93  (((
94 94  (% 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.
... ... @@ -134,7 +134,6 @@
134 134  Above scripts are store in /etc/lora/decoder/. User can put their scripts here and select it in the UI.
135 135  
136 136  
137 -
138 138  === 2.2.2 How to Decode My End Node ===
139 139  
140 140  
... ... @@ -156,13 +156,17 @@
156 156  **Some notice:**
157 157  
158 158  * RSSI and SNR are added when gateway receive the packet, so there is always this field.
168 +
159 159  * If you rename the file, please make it executable.
170 +
160 160  * See this link for lua.bit module: [[http:~~/~~/luaforge.net/projects/bit/>>url:http://luaforge.net/projects/bit/]]
172 +
161 161  * Lua json module: [[http:~~/~~/json.luaforge.net/>>url:http://json.luaforge.net/]]
174 +
162 162  * the last line return is what will be used for MQTT
176 +
163 163  * User can use other language ,not limited to Lua, just make sure the return is what you want to send.
164 164  
165 -
166 166  == 2.2 Downstream ==
167 167  
168 168  
... ... @@ -172,19 +172,25 @@
172 172  
173 173  (% style="color:#037691" %)**dev_addr,imme/time,txt/hex,payload**
174 174  
175 -Since fimware > Dragino-v2 lgw-5.4.1608518541 . Support more option
176 176  
177 -(% style="color:#037691" %)**dev_addr,imme/time,txt/hex,payload,txpw,txbw,SF,frequency,rxwindow**
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
178 178  
191 +(% style="color:#037691" %)**dev_addr,imme/time,txt/hex,payload,txpw,txbw,SF,frequency,rxwindow,Fport**
192 +
179 179  * **dev_addr:** Inptu the device address
194 +
180 180  * **imme/time:**
181 181  ** imme: send downstream immediately,For Class C end node.
182 182  ** time: send downstream after receive device's uplink. For Class A end node
198 +
183 183  * **txt/hex:**
184 184  ** txt: send payload in ASCII
185 185  ** hex: send payload in HEX
202 +
186 186  * **payload: **payload to be sent, payload lenght should match the LoRaWAN protocol requirement.
204 +
187 187  * **txpw:** Transmit Power. example: 20
206 +
188 188  * **txbw:** bandwidth:
189 189  ** 1: 500 kHz
190 190  ** 2: 250 kHz
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191 191  ** 3: 125 kHz
192 192  ** 4: 62.5 kHz
193 193  * **SF:** Spreading Factor : SF7/SF8/SF9/SF10/SF11/SF12
213 +
194 194  * **Frequency:** Transmit Frequency: example: 923300000
215 +
195 195  * **rxwindow:** transmit on Rx1Window or Rx2Window.
196 196  
218 +* **Fport: **Transmit port,example:8
197 197  
220 +
221 +
198 198  (% style="color:blue" %)**Completely exmaple:**
199 199  
200 200  * **Old version:** echo 018193F4,imme,hex,0101 > /var/iot/push/test
201 -* **New version:** echo 018193F4,imme,hex,0101,20,1,SF12,923300000,2 > /var/iot/push/test
202 202  
226 +* **New version:** echo 018193F4,imme,hex,0101,20,1,SF12,923300000,2,8 > /var/iot/push/test
203 203  
204 -(% style="color:#037691" %)**Downstream Frequency**
205 205  
229 +
230 +Downstream(% style="color:#037691" %)** Frequency:**
231 +
206 206  The LG308 will use the RX2 window info to send the downstream payload, use the default LoRaWAN settings, as below:
207 207  
208 208  * EU868: 869.525Mhz, DR0(SF12BW125)
235 +
209 209  * US915: 923.3Mhz, SF12 BW500
237 +
210 210  * CN470: 505.3Mhz, SF12 BW125
239 +
211 211  * AU915: 923.3Mhz, SF12 BW500
241 +
212 212  * AS923: 923.2Mhz, SF10 BW125
243 +
213 213  * KR920: 921.9Mhz, SF12 BW125
245 +
214 214  * IN865: 866.55Mhz, SF10 BW125
247 +
215 215  * RU864: 869.1Mhz, SF12 BW125
216 216  
217 -
218 218  (% style="color:#037691" %)**Examples:**
219 219  
220 220  (% class="box" %)
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307 307  )))
308 308  
309 309  
310 -**~1. Input keys**
342 +(% style="color:blue" %)**1. Input keys**
311 311  
344 +
312 312  [[image:image-20220527162450-3.png]]
313 313  
314 314  Input Keys in LPS8
315 315  
316 316  
317 -**2. Make sure the LPS8 and LT use the same frequency bands, choose EU868 in this test.**
318 318  
351 +(% style="color:blue" %)**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**
321 321  
354 +(% style="color:blue" %)**3. Choose Built-in server**
355 +
356 +
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  
363 +(% style="color:blue" %)**4. Run the script.**
364 +
365 +
329 329  [[image:image-20220722115213-2.png]]
330 330  
331 331  Run the script
332 332  
333 333  
334 -**5. Output:**
335 335  
372 +(% style="color:blue" %)**5. Output:**
373 +
374 +
336 336  [[image:image-20220722115133-1.png]]
337 337  
338 338  Output from LPS8
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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  
392 +(% style="display:none" %) (%%)
354 354  
355 355  (% style="color:red" %)**Note: Firmware version must be higher than lgw-5.4.1607519907**
356 356  
... ... @@ -363,8 +363,9 @@
363 363  
364 364  
365 365  
366 -**run socket tool in PC**
405 +(% style="color:blue" %)**run socket tool in PC**
367 367  
407 +
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**
415 +(% style="color:blue" %)**Input Server address and port**
376 376  
417 +
377 377  [[image:image-20220527163106-10.png]]
378 378  
379 379  Input Server address and port
... ... @@ -380,10 +380,11 @@
380 380  
381 381  
382 382  
383 -**See value receive in socket tool:**
424 +(% style="color:blue" %)**See value receive in socket tool:**
384 384  
385 -[[image:image-20220527163144-11.png]]
386 386  
427 +[[image:image-20220527163144-11.png||height="502" width="1371"]]
428 +
387 387  value receive in socket tool
388 388  
389 389  

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