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 < 15.1 >
edited by Xiaoling
on 2022/07/22 11:32
>
Change comment: There is no comment for this version

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1 -XWiki.Kilight
1 +XWiki.Xiaoling
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1 -**Table of Contents:**
1 +*
2 +** Table of** **Contents:
2 2  
3 3  {{toc/}}
4 4  
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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  
... ... @@ -57,18 +57,14 @@
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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140 140  Above scripts are store in /etc/lora/decoder/. User can put their scripts here and select it in the UI.
141 141  
142 142  
143 -
144 144  === 2.2.2 How to Decode My End Node ===
145 145  
146 146  
147 -**1.** Configure the ABP keys for your end node in the gateway. enable ABP decode in Web UI
138 +1/ Configure the ABP keys for your end node in the gateway. enable ABP decode in Web UI
148 148  
149 -**2. **Don't choose MQTT service, use LoRaWAN.
140 +2/ Don't choose MQTT service, use LoRaWAN.
150 150  
151 -**3.** When your end node send a message to the gateway, there will be a file store in /var/iot/channels. full path should be /var/iot/channels/END_NODE_DEV_ADDR
142 +3/ When your end node send a message to the gateway, there will be a file store in /var/iot/channels. full path should be /var/iot/channels/END_NODE_DEV_ADDR
152 152  
153 -**4.** Use the /etc/lora/decoder/Dragino_LHT65 as template to decode your payload. This script is written in Lua language. User can manually call this script when you see the data file in /var/iot/channels by running:
144 +4/ Use the /etc/lora/decoder/Dragino_LHT65 as template to decode your payload. This script is written in Lua language. User can manually call this script when you see the data file in /var/iot/channels by running:
154 154  
155 155  {{{/etc/lora/decoder/Dragino_LHT65 END_NODE_DEV_ADDR
156 156  }}}
157 157  
158 -**5.** What you see as output is the MQTT data device will upload, user's end node has different payload compare with LHT65, most properly this file will report with error. User need to modify to match the actual payload.
149 +5/ What you see as output is the MQTT data device will upload, user's end node has different payload compare with LHT65, most properly this file will report with error. User need to modify to match the actual payload. Some notice:
159 159  
160 -
161 -(% style="color:red" %)
162 -**Some notice:**
163 -
164 164  * RSSI and SNR are added when gateway receive the packet, so there is always this field.
165 165  * If you rename the file, please make it executable.
166 166  * See this link for lua.bit module: [[http:~~/~~/luaforge.net/projects/bit/>>url:http://luaforge.net/projects/bit/]]
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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  
158 +
159 +
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  
169 +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
171 +(% 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  
191 +
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
195 +* **New version:** echo 018193F4,imme,hex,0101,20,1,SF12,923300000,2 > /var/iot/push/test
208 208  
209 -(% style="color:#037691" %)**Downstream Frequency:**
210 210  
198 +
199 +(% style="color:#037691" %)**Downstream Frequency**
200 +
211 211  The LG308 will use the RX2 window info to send the downstream payload, use the default LoRaWAN settings, as below:
212 212  
213 213  * EU868: 869.525Mhz, DR0(SF12BW125)
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219 219  * IN865: 866.55Mhz, SF10 BW125
220 220  * RU864: 869.1Mhz, SF12 BW125
221 221  
212 +
213 +
222 222  (% style="color:#037691" %)**Examples:**
223 223  
224 224  (% class="box" %)
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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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