Last modified by Xiaoling on 2023/04/20 18:14
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... ... @@ -12,6 +12,8 @@ 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 + 15 15 ((( 16 16 The basic of this feature is the decoding of (% style="color:red" %)**LoRaWAN ABP End Node**(%%). Requirements: 17 17 ))) ... ... @@ -46,11 +46,14 @@ 46 46 47 47 We need to input above keys in LG308 and enable ABP decryption. 48 48 51 + 49 49 [[image:image-20220527161119-1.png]] 50 50 54 + 51 51 Input the ABP keys in LG308 52 52 53 53 58 + 54 54 == 2.1 Upstream == 55 55 56 56 ... ... @@ -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 65 +We can see the log of LG308 to know this packet arrive. 66 + 67 + 61 61 ))) 62 62 63 63 [[image:image-20220527161149-2.png]] 64 64 72 + 65 65 LG308 log by "(% style="color:red" %)**logread -f**" (%%)command 66 66 67 67 76 + 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" %) ... ... @@ -79,6 +79,8 @@ 79 79 * **SNR**: 3030 3030 3030 3546 = 0x0000 005F = 95, need to divide 10 so SNR is 9.5 80 80 * **Payload**: 0xcc0c 0b63 0266 017f ff7f ff00 81 81 91 + 92 + 82 82 (% class="box" %) 83 83 ((( 84 84 (% 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: ... ... @@ -89,6 +89,7 @@ 89 89 000001c 90 90 ))) 91 91 103 + 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. ... ... @@ -95,6 +95,7 @@ 95 95 ))) 96 96 97 97 110 + 98 98 === 2.2.1 Decode Method === 99 99 100 100 ... ... @@ -163,6 +163,8 @@ 163 163 * User can use other language ,not limited to Lua, just make sure the return is what you want to send. 164 164 165 165 179 + 180 + 166 166 == 2.2 Downstream == 167 167 168 168 ... ... @@ -172,6 +172,7 @@ 172 172 173 173 (% style="color:#037691" %)**dev_addr,imme/time,txt/hex,payload** 174 174 190 + 175 175 Since fimware > Dragino-v2 lgw-5.4.1608518541 . Support more option 176 176 177 177 (% style="color:#037691" %)**dev_addr,imme/time,txt/hex,payload,txpw,txbw,SF,frequency,rxwindow** ... ... @@ -195,6 +195,7 @@ 195 195 * **rxwindow:** transmit on Rx1Window or Rx2Window. 196 196 197 197 214 + 198 198 (% style="color:blue" %)**Completely exmaple:** 199 199 200 200 * **Old version:** echo 018193F4,imme,hex,0101 > /var/iot/push/test ... ... @@ -201,8 +201,9 @@ 201 201 * **New version:** echo 018193F4,imme,hex,0101,20,1,SF12,923300000,2 > /var/iot/push/test 202 202 203 203 204 -(% style="color:#037691" %)**Downstream Frequency** 205 205 222 +(% style="color:#037691" %)**Downstream Frequency:** 223 + 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) ... ... @@ -215,6 +215,7 @@ 215 215 * RU864: 869.1Mhz, SF12 BW125 216 216 217 217 236 + 218 218 (% style="color:#037691" %)**Examples:** 219 219 220 220 (% class="box" %) ... ... @@ -263,6 +263,7 @@ 263 263 ))) 264 264 265 265 285 + 266 266 = 3. Example 1: Communicate with LT-22222-L = 267 267 268 268 ... ... @@ -307,37 +307,45 @@ 307 307 ))) 308 308 309 309 310 -** ~1. Input keys**330 +(% style="color:blue" %)**1. Input keys** 311 311 332 + 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.** 318 318 339 +(% 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** 321 321 342 +(% style="color:blue" %)**3. Choose Built-in server** 343 + 344 + 322 322 [[image:image-20220527162518-4.png]] 323 323 324 324 Choose Built-in server 325 325 326 326 327 -**4. Run the script.** 328 328 351 +(% style="color:blue" %)**4. Run the script.** 352 + 353 + 329 329 [[image:image-20220722115213-2.png]] 330 330 331 331 Run the script 332 332 333 333 334 -**5. Output:** 335 335 360 +(% style="color:blue" %)**5. Output:** 361 + 362 + 336 336 [[image:image-20220722115133-1.png]] 337 337 338 338 Output from LPS8 339 339 340 340 368 + 341 341 = 4. Example 2: Communicate to TCP Server = 342 342 343 343 ... ... @@ -363,8 +363,9 @@ 363 363 364 364 365 365 366 -**run socket tool in PC** 394 +(% style="color:blue" %)**run socket tool in PC** 367 367 396 + 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** 404 +(% style="color:blue" %)**Input Server address and port** 376 376 406 + 377 377 [[image:image-20220527163106-10.png]] 378 378 379 379 Input Server address and port ... ... @@ -380,8 +380,9 @@ 380 380 381 381 382 382 383 -**See value receive in socket tool:** 413 +(% style="color:blue" %)**See value receive in socket tool:** 384 384 415 + 385 385 [[image:image-20220527163144-11.png]] 386 386 387 387 value receive in socket tool