Last modified by Xiaoling on 2023/04/20 18:14
<
From version < 18.2 >
edited by Xiaoling
on 2022/07/22 11:52
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 +16,13 @@
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/]](%%)**
25 +
26 +
24 24  = 2. How it works =
25 25  
26 26  
... ... @@ -44,8 +44,10 @@
44 44  
45 45  We need to input above keys in LG308 and enable ABP decryption.
46 46  
50 +
47 47  [[image:image-20220527161119-1.png]]
48 48  
53 +
49 49  Input the ABP keys in LG308
50 50  
51 51  
... ... @@ -55,14 +55,18 @@
55 55  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.
56 56  
57 57  (((
58 -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 +
59 59  )))
60 60  
61 61  [[image:image-20220527161149-2.png]]
62 62  
70 +
63 63  LG308 log by "(% style="color:red" %)**logread -f**" (%%)command
64 64  
65 65  
74 +
66 66  The data of End Node is stored in the file /var/iot/channels/2602111D. We can use hexdump command to check it.
67 67  
68 68  (% class="box" %)
... ... @@ -74,10 +74,11 @@
74 74  )))
75 75  
76 76  * **RSSI**: 4646 4646 4646 3946 = 0xFFFF FF9F : So RSSI = (0xFFFF FF9F - 0x100000000) = -97
86 +
77 77  * **SNR**: 3030 3030 3030 3546 = 0x0000 005F = 95, need to divide 10 so SNR is 9.5
88 +
78 78  * **Payload**: 0xcc0c 0b63 0266 017f ff7f ff00
79 79  
80 -
81 81  (% class="box" %)
82 82  (((
83 83  (% 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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88 88  000001c
89 89  )))
90 90  
101 +
91 91  (% class="box" %)
92 92  (((
93 93  (% 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.
... ... @@ -133,7 +133,6 @@
133 133  Above scripts are store in /etc/lora/decoder/. User can put their scripts here and select it in the UI.
134 134  
135 135  
136 -
137 137  === 2.2.2 How to Decode My End Node ===
138 138  
139 139  
... ... @@ -155,14 +155,17 @@
155 155  **Some notice:**
156 156  
157 157  * RSSI and SNR are added when gateway receive the packet, so there is always this field.
168 +
158 158  * If you rename the file, please make it executable.
170 +
159 159  * See this link for lua.bit module: [[http:~~/~~/luaforge.net/projects/bit/>>url:http://luaforge.net/projects/bit/]]
172 +
160 160  * Lua json module: [[http:~~/~~/json.luaforge.net/>>url:http://json.luaforge.net/]]
174 +
161 161  * the last line return is what will be used for MQTT
176 +
162 162  * User can use other language ,not limited to Lua, just make sure the return is what you want to send.
163 163  
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  
198 198  
221 +
199 199  (% style="color:blue" %)**Completely exmaple:**
200 200  
201 201  * **Old version:** echo 018193F4,imme,hex,0101 > /var/iot/push/test
202 -* **New version:** echo 018193F4,imme,hex,0101,20,1,SF12,923300000,2 > /var/iot/push/test
203 203  
226 +* **New version:** echo 018193F4,imme,hex,0101,20,1,SF12,923300000,2,8 > /var/iot/push/test
204 204  
205 205  
206 -(% style="color:#037691" %)**Downstream Frequency**
207 207  
230 +Downstream(% style="color:#037691" %)** Frequency:**
231 +
208 208  The LG308 will use the RX2 window info to send the downstream payload, use the default LoRaWAN settings, as below:
209 209  
210 210  * EU868: 869.525Mhz, DR0(SF12BW125)
235 +
211 211  * US915: 923.3Mhz, SF12 BW500
237 +
212 212  * CN470: 505.3Mhz, SF12 BW125
239 +
213 213  * AU915: 923.3Mhz, SF12 BW500
241 +
214 214  * AS923: 923.2Mhz, SF10 BW125
243 +
215 215  * KR920: 921.9Mhz, SF12 BW125
245 +
216 216  * IN865: 866.55Mhz, SF10 BW125
247 +
217 217  * RU864: 869.1Mhz, SF12 BW125
218 218  
219 -
220 -
221 221  (% style="color:#037691" %)**Examples:**
222 222  
223 223  (% class="box" %)
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310 310  )))
311 311  
312 312  
313 -**~1. Input keys**
342 +(% style="color:blue" %)**1. Input keys**
314 314  
344 +
315 315  [[image:image-20220527162450-3.png]]
316 316  
317 317  Input Keys in LPS8
318 318  
319 319  
320 -**2. Make sure the LPS8 and LT use the same frequency bands, choose EU868 in this test.**
321 321  
351 +(% style="color:blue" %)**2. Make sure the LPS8 and LT use the same frequency bands, choose EU868 in this test.**
322 322  
323 -**3. Choose Built-in server**
324 324  
354 +(% style="color:blue" %)**3. Choose Built-in server**
355 +
356 +
325 325  [[image:image-20220527162518-4.png]]
326 326  
327 327  Choose Built-in server
328 328  
329 329  
330 -**4. Run the script.**
331 331  
363 +(% style="color:blue" %)**4. Run the script.**
364 +
365 +
332 332  [[image:image-20220722115213-2.png]]
333 333  
334 334  Run the script
335 335  
336 336  
337 -**5. Output:**
338 338  
372 +(% style="color:blue" %)**5. Output:**
373 +
374 +
339 339  [[image:image-20220722115133-1.png]]
340 340  
341 341  Output from LPS8
... ... @@ -351,9 +351,9 @@
351 351  
352 352  Full instruction video inlcude how to write scripts to fit server needed is here:
353 353  
354 -
355 355  (% style="color:#037691" %)**Video Instruction**(%%): **[[https:~~/~~/youtu.be/-nevW6U2TsE>>url:https://youtu.be/-nevW6U2TsE]]**
356 356  
392 +(% style="display:none" %) (%%)
357 357  
358 358  (% style="color:red" %)**Note: Firmware version must be higher than lgw-5.4.1607519907**
359 359  
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366 366  
367 367  
368 368  
369 -**run socket tool in PC**
405 +(% style="color:blue" %)**run socket tool in PC**
370 370  
407 +
371 371  [[image:image-20220527163028-9.png]]
372 372  
373 373  
... ... @@ -375,8 +375,9 @@
375 375  
376 376  
377 377  
378 -**Input Server address and port**
415 +(% style="color:blue" %)**Input Server address and port**
379 379  
417 +
380 380  [[image:image-20220527163106-10.png]]
381 381  
382 382  Input Server address and port
... ... @@ -383,10 +383,11 @@
383 383  
384 384  
385 385  
386 -**See value receive in socket tool:**
424 +(% style="color:blue" %)**See value receive in socket tool:**
387 387  
388 -[[image:image-20220527163144-11.png]]
389 389  
427 +[[image:image-20220527163144-11.png||height="502" width="1371"]]
428 +
390 390  value receive in socket tool
391 391  
392 392  

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