Last modified by Xiaoling on 2023/04/20 18:14
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... ... @@ -12,8 +12,6 @@ 12 12 * No internet connection. 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 - 16 - 17 17 ((( 18 18 The basic of this feature is the decoding of (% style="color:red" %)**LoRaWAN ABP End Node**(%%). Requirements: 19 19 ))) ... ... @@ -48,14 +48,11 @@ 48 48 49 49 We need to input above keys in LG308 and enable ABP decryption. 50 50 51 - 52 52 [[image:image-20220527161119-1.png]] 53 53 54 - 55 55 Input the ABP keys in LG308 56 56 57 57 58 - 59 59 == 2.1 Upstream == 60 60 61 61 ... ... @@ -62,18 +62,14 @@ 62 62 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. 63 63 64 64 ((( 65 -We can see the log of LG308 to know this packet arrive. 66 - 67 - 60 +We can see the log of LG308 to know this packet arrive 68 68 ))) 69 69 70 70 [[image:image-20220527161149-2.png]] 71 71 72 - 73 73 LG308 log by "(% style="color:red" %)**logread -f**" (%%)command 74 74 75 75 76 - 77 77 The data of End Node is stored in the file /var/iot/channels/2602111D. We can use hexdump command to check it. 78 78 79 79 (% class="box" %) ... ... @@ -88,8 +88,6 @@ 88 88 * **SNR**: 3030 3030 3030 3546 = 0x0000 005F = 95, need to divide 10 so SNR is 9.5 89 89 * **Payload**: 0xcc0c 0b63 0266 017f ff7f ff00 90 90 91 - 92 - 93 93 (% class="box" %) 94 94 ((( 95 95 (% 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: ... ... @@ -100,7 +100,6 @@ 100 100 000001c 101 101 ))) 102 102 103 - 104 104 (% class="box" %) 105 105 ((( 106 106 (% 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. ... ... @@ -107,7 +107,6 @@ 107 107 ))) 108 108 109 109 110 - 111 111 === 2.2.1 Decode Method === 112 112 113 113 ... ... @@ -176,8 +176,6 @@ 176 176 * User can use other language ,not limited to Lua, just make sure the return is what you want to send. 177 177 178 178 179 - 180 - 181 181 == 2.2 Downstream == 182 182 183 183 ... ... @@ -187,7 +187,6 @@ 187 187 188 188 (% style="color:#037691" %)**dev_addr,imme/time,txt/hex,payload** 189 189 190 - 191 191 Since fimware > Dragino-v2 lgw-5.4.1608518541 . Support more option 192 192 193 193 (% style="color:#037691" %)**dev_addr,imme/time,txt/hex,payload,txpw,txbw,SF,frequency,rxwindow** ... ... @@ -211,7 +211,6 @@ 211 211 * **rxwindow:** transmit on Rx1Window or Rx2Window. 212 212 213 213 214 - 215 215 (% style="color:blue" %)**Completely exmaple:** 216 216 217 217 * **Old version:** echo 018193F4,imme,hex,0101 > /var/iot/push/test ... ... @@ -218,9 +218,8 @@ 218 218 * **New version:** echo 018193F4,imme,hex,0101,20,1,SF12,923300000,2 > /var/iot/push/test 219 219 220 220 204 +(% style="color:#037691" %)**Downstream Frequency** 221 221 222 -(% style="color:#037691" %)**Downstream Frequency:** 223 - 224 224 The LG308 will use the RX2 window info to send the downstream payload, use the default LoRaWAN settings, as below: 225 225 226 226 * EU868: 869.525Mhz, DR0(SF12BW125) ... ... @@ -233,7 +233,6 @@ 233 233 * RU864: 869.1Mhz, SF12 BW125 234 234 235 235 236 - 237 237 (% style="color:#037691" %)**Examples:** 238 238 239 239 (% class="box" %) ... ... @@ -282,7 +282,6 @@ 282 282 ))) 283 283 284 284 285 - 286 286 = 3. Example 1: Communicate with LT-22222-L = 287 287 288 288 ... ... @@ -327,45 +327,37 @@ 327 327 ))) 328 328 329 329 330 - (% style="color:blue" %)**1. Input keys**310 +**~1. Input keys** 331 331 332 - 333 333 [[image:image-20220527162450-3.png]] 334 334 335 335 Input Keys in LPS8 336 336 337 337 317 +**2. Make sure the LPS8 and LT use the same frequency bands, choose EU868 in this test.** 338 338 339 -(% style="color:blue" %)**2. Make sure the LPS8 and LT use the same frequency bands, choose EU868 in this test.** 340 340 320 +**3. Choose Built-in server** 341 341 342 -(% style="color:blue" %)**3. Choose Built-in server** 343 - 344 - 345 345 [[image:image-20220527162518-4.png]] 346 346 347 347 Choose Built-in server 348 348 349 349 327 +**4. Run the script.** 350 350 351 -(% style="color:blue" %)**4. Run the script.** 352 - 353 - 354 354 [[image:image-20220722115213-2.png]] 355 355 356 356 Run the script 357 357 358 358 334 +**5. Output:** 359 359 360 -(% style="color:blue" %)**5. Output:** 361 - 362 - 363 363 [[image:image-20220722115133-1.png]] 364 364 365 365 Output from LPS8 366 366 367 367 368 - 369 369 = 4. Example 2: Communicate to TCP Server = 370 370 371 371 ... ... @@ -391,9 +391,8 @@ 391 391 392 392 393 393 394 - (% style="color:blue" %)**run socket tool in PC**366 +**run socket tool in PC** 395 395 396 - 397 397 [[image:image-20220527163028-9.png]] 398 398 399 399 ... ... @@ -401,9 +401,8 @@ 401 401 402 402 403 403 404 - (% style="color:blue" %)**Input Server address and port**375 +**Input Server address and port** 405 405 406 - 407 407 [[image:image-20220527163106-10.png]] 408 408 409 409 Input Server address and port ... ... @@ -410,9 +410,8 @@ 410 410 411 411 412 412 413 - (% style="color:blue" %)**See value receive in socket tool:**383 +**See value receive in socket tool:** 414 414 415 - 416 416 [[image:image-20220527163144-11.png]] 417 417 418 418 value receive in socket tool