Last modified by Xiaoling on 2023/04/20 18:14
<
From version < 21.1 >
edited by Kilight Cao
on 2022/12/01 14:01
To version < 16.2 >
edited by Xiaoling
on 2022/07/22 11:41
>
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1 -XWiki.Kilight
1 +XWiki.Xiaoling
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20 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 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/]](%%)**
22 22  
23 +
23 23  = 2. How it works =
24 24  
25 25  
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43 43  
44 44  We need to input above keys in LG308 and enable ABP decryption.
45 45  
46 -
47 47  [[image:image-20220527161119-1.png]]
48 48  
49 -
50 50  Input the ABP keys in LG308
51 51  
52 52  
53 -
54 54  == 2.1 Upstream ==
55 55  
56 56  
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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.
61 -
62 -
58 +We can see the log of LG308 to know this packet arrive
63 63  )))
64 64  
65 65  [[image:image-20220527161149-2.png]]
66 66  
67 -
68 68  LG308 log by "(% style="color:red" %)**logread -f**" (%%)command
69 69  
70 70  
71 -
72 72  The data of End Node is stored in the file /var/iot/channels/2602111D. We can use hexdump command to check it.
73 73  
74 74  (% class="box" %)
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93 93  000001c
94 94  )))
95 95  
96 -
97 97  (% class="box" %)
98 98  (((
99 99  (% 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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100 100  )))
101 101  
102 102  
103 -
104 104  === 2.2.1 Decode Method ===
105 105  
106 106  
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168 168  * the last line return is what will be used for MQTT
169 169  * User can use other language ,not limited to Lua, just make sure the return is what you want to send.
170 170  
163 +
164 +
171 171  == 2.2 Downstream ==
172 172  
173 173  
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177 177  
178 178  (% style="color:#037691" %)**dev_addr,imme/time,txt/hex,payload**
179 179  
174 +Since fimware > Dragino-v2 lgw-5.4.1608518541 . Support more option
180 180  
181 -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
176 +(% style="color:#037691" %)**dev_addr,imme/time,txt/hex,payload,txpw,txbw,SF,frequency,rxwindow**
182 182  
183 -(% style="color:#037691" %)**dev_addr,imme/time,txt/hex,payload,txpw,txbw,SF,frequency,rxwindow,Fport**
184 -
185 185  * **dev_addr:** Inptu the device address
186 186  * **imme/time:**
187 187  ** imme: send downstream immediately,For Class C end node.
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199 199  * **SF:** Spreading Factor : SF7/SF8/SF9/SF10/SF11/SF12
200 200  * **Frequency:** Transmit Frequency: example: 923300000
201 201  * **rxwindow:** transmit on Rx1Window or Rx2Window.
202 -* **Fport: **Transmit port,example:8
203 203  
204 204  (% style="color:blue" %)**Completely exmaple:**
205 205  
206 206  * **Old version:** echo 018193F4,imme,hex,0101 > /var/iot/push/test
207 -* **New version:** echo 018193F4,imme,hex,0101,20,1,SF12,923300000,2,8 > /var/iot/push/test
199 +* **New version:** echo 018193F4,imme,hex,0101,20,1,SF12,923300000,2 > /var/iot/push/test
208 208  
209 -(% style="color:#037691" %)**Downstream Frequency:**
201 +(% style="color:#037691" %)**Downstream Frequency**
210 210  
211 211  The LG308 will use the RX2 window info to send the downstream payload, use the default LoRaWAN settings, as below:
212 212  
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225 225  (((
226 226  we can use echo command to create files in LG308 for downstream.
227 227  root@dragino-1d25dc:~~# echo 2602111D,time,hex,12345678 > /var/iot/push/test
220 +)))
228 228  
229 -
222 +(% class="box" %)
223 +(((
230 230  **1)** From logread -f of gateway, we can see it has been added as pedning.
231 231  lora_pkt_fwd[4286]: INFO~~ [DNLK]Looking file : test
232 232  lora_pkt_fwd[4286]: INFO~~ [DNLK]devaddr:2602111D, txmode:time, pdfm:hex, size:4, payload1:4Vx,payload_hex:77C1BB90
233 233  lora_pkt_fwd[4286]: INFO~~ [DNLK] DNLINK PENDING!(1 elems).
228 +)))
234 234  
235 -
230 +(% class="box" %)
231 +(((
236 236  **2)** When there is an upstrea from end node, this downstream will be sent and shows:
237 237  lora_pkt_fwd[4286]: INFO: tx_start_delay=1497 (1497.000000) - (1497, bw_delay=0.000000, notch_delay=0.000000)
238 238  lora_pkt_fwd[4286]: [LGWSEND]lgw_send done: count_us=3537314420, freq=923300000, size=17
235 +)))
239 239  
240 -
237 +(% class="box" %)
238 +(((
241 241  **3)** and the end node will got:
242 242  [5764825]~*~*~*~** UpLinkCounter= 98 ~*~*~*~**
243 243  [5764827]TX on freq 905300000 Hz at DR 0
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250 250  Rssi= -41
251 251  Receive data
252 252  (% style="color:#037691" %)**2:12345678**  (%%) ~-~-> Hex
251 +)))
253 253  
254 -
253 +(% class="box" %)
254 +(((
255 255  **4) **If we use the command "echo 2602111D,time,txt,12345678 > /var/iot/push/test" for downstream, the end node will got:
256 256  [5955877]~*~*~*~** UpLinkCounter= 102 ~*~*~*~**
257 257  [5955879]TX on freq 904100000 Hz at DR 0
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267 267  )))
268 268  
269 269  
270 -
271 271  = 3. Example 1: Communicate with LT-22222-L =
272 272  
273 273  
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311 311  #  whether the Device 2 has been changed.//
312 312  )))
313 313  
313 +**~1. Input keys**
314 314  
315 -(% style="color:blue" %)**1. Input keys**
316 -
317 -
318 318  [[image:image-20220527162450-3.png]]
319 319  
320 320  Input Keys in LPS8
321 321  
322 322  
320 +**2. Make sure the LPS8 and LT use the same frequency bands, choose EU868 in this test.**
323 323  
324 -(% style="color:blue" %)**2. Make sure the LPS8 and LT use the same frequency bands, choose EU868 in this test.**
322 +**3. Choose Built-in server**
325 325  
326 -
327 -(% style="color:blue" %)**3. Choose Built-in server**
328 -
329 -
330 330  [[image:image-20220527162518-4.png]]
331 331  
332 332  Choose Built-in server
333 333  
334 334  
329 +**4. Run the script.**
335 335  
336 -(% style="color:blue" %)**4. Run the script.**
331 +[[image:image-20220527162552-5.png]]
337 337  
338 -
339 -[[image:image-20220722115213-2.png]]
340 -
341 341  Run the script
342 342  
343 343  
336 +**5. Output:**
344 344  
345 -(% style="color:blue" %)**5. Output:**
338 +[[image:image-20220527162619-6.png]]
346 346  
347 -
348 -[[image:image-20220722115133-1.png]]
349 -
350 350  Output from LPS8
351 351  
352 352  
353 -
354 354  = 4. Example 2: Communicate to TCP Server =
355 355  
356 356  
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376 376  
377 377  
378 378  
379 -(% style="color:blue" %)**run socket tool in PC**
368 +**run socket tool in PC**
380 380  
381 -
382 382  [[image:image-20220527163028-9.png]]
383 383  
384 384  
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386 386  
387 387  
388 388  
389 -(% style="color:blue" %)**Input Server address and port**
377 +**Input Server address and port**
390 390  
391 -
392 392  [[image:image-20220527163106-10.png]]
393 393  
394 394  Input Server address and port
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395 395  
396 396  
397 397  
398 -(% style="color:blue" %)**See value receive in socket tool:**
385 +**See value receive in socket tool:**
399 399  
400 -
401 401  [[image:image-20220527163144-11.png]]
402 402  
403 403  value receive in socket tool
image-20220722115133-1.png
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