Last modified by Xiaoling on 2025/04/25 08:58
<
From version < 28.1 >
edited by Xiaoling
on 2023/02/01 09:27
To version < 19.1 >
edited by Xiaoling
on 2023/02/01 09:12
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170 170  [[image:image-20230201090139-4.png]]
171 171  
172 172  
173 -= 2. Configure SDI-12 to connect to LoRaWAN network =
174 174  
175 -== 2.1 How it works ==
176 176  
177 177  
178 -The SDI-12-LB is configured as **LoRaWAN OTAA Class A** mode by default. It has OTAA keys to join LoRaWAN network. To connect a local LoRaWAN network, you need to input the OTAA keys in the LoRaWAN IoT server and activate the SDI-12-LB. It will automatically join the network via OTAA and start to send the sensor value. The default uplink interval is 20 minutes.
179 179  
177 +1. Configure SDI-12 to connect to LoRaWAN network
178 +11. How it works
180 180  
181 -== 2.2 Quick guide to connect to LoRaWAN server (OTAA) ==
180 +The SDI-12-LB is configured as **LoRaWAN OTAA Class A** mode by default. It has OTAA keys to join LoRaWAN network. To connect a local LoRaWAN network, you need to input the OTAA keys in the LoRaWAN IoT server and activate the SDI-12-LB. It will automatically join the network via OTAA and start to send the sensor value. The default uplink interval is 20 minutes.
182 182  
183 183  
183 +1.
184 +11. ​Quick guide to connect to LoRaWAN server (OTAA)
185 +
184 184  Following is an example for how to join the [[TTN v3 LoRaWAN Network>>url:https://console.cloud.thethings.network/]]. Below is the network structure; we use the [[LPS8v2>>url:https://www.dragino.com/products/lora-lorawan-gateway/item/228-lps8v2.html]] as a LoRaWAN gateway in this example.
185 185  
186 186  
187 -[[image:image-20230201090528-5.png||height="465" width="1111"]]
189 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image008.png]]
188 188  
189 189  
190 190  The LPS8V2 is already set to connected to [[TTN network >>url:https://console.cloud.thethings.network/]], so what we need to now is configure the TTN server.
... ... @@ -195,7 +195,7 @@
195 195  Each SDI-12-LB is shipped with a sticker with the default device EUI as below:
196 196  
197 197  
198 -[[image:image-20230131134744-2.jpeg]]
200 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image009.png]]
199 199  
200 200  
201 201  
... ... @@ -206,24 +206,24 @@
206 206  
207 207  **Register the device**
208 208  
209 -[[image:1675213652444-622.png]]
211 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image010.png]]
210 210  
211 211  
212 212  **Add APP EUI and DEV EUI**
213 213  
214 214  
215 -[[image:1675213661769-223.png]]
217 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image011.png]]
216 216  
217 217  
218 218  **Add APP EUI in the application**
219 219  
220 220  
221 -[[image:1675213675852-577.png]]
223 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image012.png]]
222 222  
223 223  
224 224  **Add APP KEY**
225 225  
226 -[[image:1675213686734-883.png]]
228 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image013.png]]
227 227  
228 228  
229 229  **Step 2**: Activate on SDI-12-LB
... ... @@ -235,100 +235,97 @@
235 235  **Green led** will fast blink 5 times, device will enter **OTA mode** for 3 seconds. And then start to JOIN LoRaWAN network. **Green led** will solidly turn on for 5 seconds after joined in network.
236 236  
237 237  
238 -[[image:1675213704414-644.png]]
240 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image014.png]]
239 239  
240 240  
241 -== ​2.3 SDI-12 Related Commands ==
242 242  
243 243  
244 -User need to configure SDI-12-LB to communicate with SDI-12 sensors otherwise the uplink payload will only include a few bytes.
245 245  
246 +1.
247 +11. ​SDI-12 Related Commands
246 246  
247 -=== 2.3.1 ​​​​​​​Basic SDI-12 debug command ===
249 +User need to configure SDI-12-LB to communicate with SDI-12 sensors otherwise the uplink payload will only include a few bytes.
248 248  
249 249  
252 +1.
253 +11.
254 +111. Basic SDI-12 debug command
255 +
250 250  User can run some basic SDI-12 command to debug the connection to the SDI-12 sensor. These commands can be sent via AT Command or LoRaWAN downlink command.
251 251  
258 +
252 252  If SDI-12 sensor return value after get these commands, //SDI-12-LB// will uplink the return on FPORT=100, otherwise, if there is no response from SDI-12 sensor. //SDI-12-LB// will uplink NULL (0x 4E 55 4C 4C) to server.
253 253  
261 +
254 254  The following is the display information on the serial port and the server.
255 255  
264 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image015.png]]
256 256  
266 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image016.png]]
257 257  
258 -[[image:image-20230201091027-6.png]]
268 +al!  ~-~- Get SDI-12 sensor Identification
259 259  
260 -
261 -[[image:image-20230201091027-7.png||height="261" width="1179"]]
262 -
263 -
264 -==== **al!  ~-~- Get SDI-12 sensor Identification** ====
265 -
266 -
267 267  * AT Command: AT+ADDRI=aa
268 268  * LoRaWAN Downlink(prefix 0xAA00): AA 00 aa
269 269  
270 -**Parameter:  **aa: ASCII value of SDI-12 sensor address in downlink or HEX value in AT Command)
273 +Parameter: aa: ASCII value of SDI-12 sensor address in downlink or HEX value in AT Command)
271 271  
272 -**Example :  **AT+ADDRI=0 ( Equal to downlink: 0x AA 00 30)
275 +Example : AT+ADDRI=0 ( Equal to downlink: 0x AA 00 30)
273 273  
274 274  
278 +
275 275  The following is the display information on the serial port and the server.
276 276  
277 277  
278 -[[image:image-20230201091257-8.png]]
282 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image017.png]]
279 279  
284 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image018.png]]
280 280  
281 -[[image:image-20230201091257-9.png||height="225" width="1242"]]
282 282  
287 +aM!,aMC!, aM1!- aM9!, aMC1!- aMC9!
283 283  
284 -==== **aM!,aMC!, aM1!- aM9!, aMC1!- aMC9!** ====
289 +aM!: Start Non-Concurrent Measurement
285 285  
291 +aMC!: Start Non-Concurrent Measurement – Request CRC
286 286  
287 -**aM! **: Start Non-Concurrent Measurement
293 +aM1!- aM9!: Additional Measurements
288 288  
289 -**aMC! **: Start Non-Concurrent Measurement – Request CRC
295 +aMC1!- aMC9!: Additional Measurements – Request CRC
290 290  
291 -**aM1!- aM9! **: Additional Measurements
292 292  
293 -**aMC1!- aMC9!** : Additional Measurements – Request CRC
294 -
295 -
296 296  * AT Command : AT+ADDRM=0,1,0,1
297 297  * LoRaWAN Downlink(prefix 0xAA01): 0xAA 01 30 01 00 01
298 298  
299 299  Downlink：AA 01 aa bb cc dd
300 300  
301 -**aa**: SDI-12 sensor address.
303 +aa: SDI-12 sensor address.
302 302  
303 -**bb**: 0: no CRC, 1: request CRC
305 +bb: 0: no CRC, 1: request CRC
304 304  
305 -**cc**: 1-9: Additional Measurement, 0: no additional measurement
307 +cc: 1-9: Additional Measurement, 0: no additional measurement
306 306  
307 -**dd**: delay (in second) to send **aD0!** to get return.
309 +dd: delay (in second) to send **aD0!** to get return.
308 308  
309 309  
310 310  The following is the display information on the serial port and the server.
311 311  
314 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image019.png]]
312 312  
313 -[[image:image-20230201091630-10.png]]
316 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image020.png]]
314 314  
315 315  
316 -[[image:image-20230201091630-11.png||height="247" width="1165"]]
317 317  
320 +aC!, aCC!,  aC1!- aC9!,  aCC1!- aCC9!
318 318  
322 +aC!: Start Concurrent Measurement
319 319  
320 -==== **aC!, aCC!,  aC1!- aC9!,  aCC1!- aCC9! ** ====
324 +aCC!: Start Concurrent Measurement – Request CRC
321 321  
326 +aC1!- aC9!: Start Additional Concurrent Measurements
322 322  
323 -**aC!** : Start Concurrent Measurement
328 +aCC1!- aCC9!: Start Additional Concurrent Measurements – Request CRC
324 324  
325 -**aCC!** : Start Concurrent Measurement – Request CRC
326 326  
327 -**aC1!- aC9!** : Start Additional Concurrent Measurements
328 -
329 -**aCC1!- aCC9!** : Start Additional Concurrent Measurements – Request CRC
330 -
331 -
332 332  * AT Command : AT+ADDRC=0,1,0,1 
333 333  
334 334  * LoRaWAN Downlink(0xAA02): 0xAA 02 30 01 00 01
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335 335  
336 336  Downlink: AA 02 aa bb cc dd
337 337  
338 -**aa**: SDI-12 sensor address.
337 +aa: SDI-12 sensor address.
339 339  
340 -**bb**: 0: no CRC, 1: request CRC
339 +bb: 0: no CRC, 1: request CRC
341 341  
342 -**cc**: 1-9: Additional Measurement, 0: no additional measurement
341 +cc: 1-9: Additional Measurement, 0: no additional measurement
343 343  
344 -**dd**: delay (in second) to send **aD0!** to get return.
343 +dd: delay (in second) to send **aD0!** to get return.
345 345  
346 346  
347 347  The following is the display information on the serial port and the server.
348 348  
348 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image021.png]]
349 349  
350 -[[image:image-20230201091954-12.png]]
350 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image022.png]]
351 351  
352 352  
353 -[[image:image-20230201091954-13.png||height="203" width="1117"]]
353 +aR0!- aR9!,  aRC0!- aRC9!
354 354  
355 -
356 -(% style="display:none" %) (%%)
357 -
358 -==== **aR0!- aR9!,  aRC0!- aRC9!** ====
359 -
360 -
361 361  Start Continuous Measurement
362 362  
363 363  Start Continuous Measurement – Request CRC
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368 368  
369 369  Downlink: AA 03 aa bb cc dd
370 370  
371 -**aa**: SDI-12 sensor address.
365 +aa: SDI-12 sensor address.
372 372  
373 -**bb**: 0: no CRC, 1: request CRC
367 +bb: 0: no CRC, 1: request CRC
374 374  
375 -**cc**: 1-9: Additional Measurement, 0: no additional measurement
369 +cc: 1-9: Additional Measurement, 0: no additional measurement
376 376  
377 -**dd**: delay (in second) to send **aD0!** to get return.
371 +dd: delay (in second) to send **aD0!** to get return.
378 378  
379 379  
380 380  The following is the display information on the serial port and the server.
381 381  
376 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
382 382  
378 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image024.png]]
383 383  
384 -[[image:image-20230201092208-14.png]]
380 +1.
381 +11.
382 +111. Advance SDI-12 Debug command
385 385  
386 -
387 -[[image:image-20230201092208-15.png||height="214" width="1140"]]
388 -
389 -
390 -=== ​​​​​​​2.3.2 Advance SDI-12 Debug command ===
391 -
392 -
393 393  This command can be used to debug all SDI-12 command.
394 394  
395 395  
396 396  LoRaWAN Downlink: A8 aa xx xx xx xx bb cc
397 397  
398 -**aa **: total SDI-12 command length
389 +(aa: total SDI-12 command length)
399 399  
400 -**xx **: SDI-12 command
391 +(xx: SDI-12 command)
401 401  
402 -**bb **: Delay to wait for return
393 +(bb: Delay to wait for return)
403 403  
404 -**cc **: 0: don't uplink return to LoRaWAN, 1: Uplink return to LoRaWAN on FPORT=100
395 +(cc: 0: don’t uplink return to LoRaWAN, 1: Uplink return to LoRaWAN on FPORT=100)
405 405  
406 406  
407 -**Example: **AT+CFGDEV =0RC0!,1
398 +Example: AT+CFGDEV =0RC0!,1
408 408  
409 -**0RC0! **: SDI-12 Command,
400 +0RC0!: SDI-12 Command,
410 410  
411 -**1 **: Delay 1 second.  ( 0: 810 mini-second)
402 +1: Delay 1 second.  ( 0: 810 mini-second)
412 412  
404 +
413 413  Equal Downlink: 0xA8 05 30 52 43 30 21 01 01
414 414  
415 415  
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416 416  The following is the display information on the serial port and the server.
417 417  
418 418  
419 -[[image:image-20230201092355-16.png]]
411 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image025.png]]
420 420  
413 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image026.png]]
421 421  
422 -[[image:image-20230201092355-17.png||height="426" width="1135"]]
423 -
424 424  1.
425 425  11.
426 426  111. Convert ASCII to String
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