Last modified by Karry Zhuang on 2025/03/06 16:34
<
From version < 22.7 >
edited by Xiaoling
on 2022/05/23 09:20
To version < 30.2 >
edited by Xiaoling
on 2022/05/23 09:40
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... ... @@ -284,8 +284,6 @@
284 284  mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
285 285  )))|(% style="width:256px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
286 286  
287 -Detail of AT+CFGDEV command see [[AT+CFGDEV detail>>path:#AT_CFGDEV]].
288 -
289 289  === 3.3.3 Configure read commands for each sampling ===
290 290  
291 291  (((
... ... @@ -367,11 +367,17 @@
367 367  **m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command**
368 368  )))
369 369  
368 +(((
370 370  For example, if we have a RS485 sensor. The command to get sensor value is: 01 03 0B B8 00 02 46 0A. Where 01 03 0B B8 00 02 is the Modbus command to read the register 0B B8 where stored the sensor value. The 46 0A is the CRC-16/MODBUS which calculate manually.
370 +)))
371 371  
372 +(((
372 372  In the RS485-BL, we should use this command AT+COMMAND1=01 03 0B B8 00 02,1 for the same.
374 +)))
373 373  
376 +(((
374 374  **AT+SEARCHx**: This command defines how to handle the return from AT+COMMANDx.
378 +)))
375 375  
376 376  (% border="1" class="table-bordered" %)
377 377  |(((
... ... @@ -383,26 +383,24 @@
383 383  
384 384  )))
385 385  
386 -Examples:
390 +**Examples:**
387 387  
388 -1. For a return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
392 +~1. For a return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
389 389  
390 390  If we set AT+SEARCH1=1,1E 56 34.      (max 5 bytes for prefix)
391 391  
392 -The valid data will be all bytes after 1E 56 34 , so it is 2e 30 58 5f 36 41 30 31 00 49
396 +The valid data will be all bytes after 1E 56 34 , so it is (% style="background-color:yellow" %)** 2e 30 58 5f 36 41 30 31 00 49**
393 393  
394 -[[image:1652954654347-831.png]]
398 +[[image:1653269403619-508.png]]
395 395  
400 +2. For a return string from AT+COMMAND1:  16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
396 396  
397 -1. For a return string from AT+COMMAND1:  16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
398 -
399 399  If we set AT+SEARCH1=2, 1E 56 34+31 00 49
400 400  
401 -Device will search the bytes between 1E 56 34 and 31 00 49. So it is 2e 30 58 5f 36 41 30
404 +Device will search the bytes between 1E 56 34 and 31 00 49. So it is (% style="background-color:yellow" %)** 2e 30 58 5f 36 41 30**
402 402  
403 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image014.png]]
406 +[[image:1653269438444-278.png]]
404 404  
405 -
406 406  **AT+DATACUTx : **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.
407 407  
408 408  |(((
... ... @@ -417,76 +417,79 @@
417 417  
418 418  * Grab bytes:
419 419  
420 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image015.png]]
422 +[[image:1653269551753-223.png||height="311" width="717"]]
421 421  
422 422  * Grab a section.
423 423  
424 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image016.png]]
426 +[[image:1653269568276-930.png||height="325" width="718"]]
425 425  
426 426  * Grab different sections.
427 427  
428 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image017.png]]
430 +[[image:1653269593172-426.png||height="303" width="725"]]
429 429  
432 +(% style="color:red" %)**Note:**
430 430  
431 -Note:
432 -
433 433  AT+SEARCHx and AT+DATACUTx can be used together, if both commands are set, RS485-BL will first process AT+SEARCHx on the return string and get a temporary string, and then process AT+DATACUTx on this temporary string to get the final payload. In this case, AT+DATACUTx need to set to format AT+DATACUTx=0,xx,xx where the return bytes set to 0.
434 434  
435 435  Example:
436 436  
437 -AT+COMMAND1=11 01 1E D0,0
438 +(% style="color:red" %)AT+COMMAND1=11 01 1E D0,0
438 438  
439 -AT+SEARCH1=1,1E 56 34
440 +(% style="color:red" %)AT+SEARCH1=1,1E 56 34
440 440  
441 -AT+DATACUT1=0,2,1~~5
442 +(% style="color:red" %)AT+DATACUT1=0,2,1~~5
442 442  
443 -Return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
444 +(% style="color:red" %)Return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
444 444  
445 -String after SEARCH command: 2e 30 58 5f 36 41 30 31 00 49
446 +(% style="color:red" %)String after SEARCH command: 2e 30 58 5f 36 41 30 31 00 49
446 446  
447 -Valid payload after DataCUT command: 2e 30 58 5f 36
448 +(% style="color:red" %)Valid payload after DataCUT command: 2e 30 58 5f 36
448 448  
449 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image018.png]]
450 +[[image:1653269618463-608.png]]
450 450  
452 +=== 3.3.4 Compose the uplink payload ===
451 451  
452 -
453 -
454 -1.
455 -11.
456 -111. Compose the uplink payload
457 -
454 +(((
458 458  Through AT+COMMANDx and AT+DATACUTx we got valid value from each RS485 commands, Assume these valid value are RETURN1, RETURN2, .., to RETURNx. The next step is how to compose the LoRa Uplink Payload by these RETURNs. The command is **AT+DATAUP.**
456 +)))
459 459  
458 +(((
459 +(% style="color:#4f81bd" %)**Examples: AT+DATAUP=0**
460 +)))
460 460  
461 -**Examples: AT+DATAUP=0**
462 +(((
463 +Compose the uplink payload with value returns in sequence and send with (% style="color:red" %)**A SIGNLE UPLINK**.
464 +)))
462 462  
463 -Compose the uplink payload with value returns in sequence and send with **A SIGNLE UPLINK**.
464 -
466 +(((
465 465  Final Payload is
468 +)))
466 466  
467 -Battery Info+PAYVER + VALID Value from RETURN1 + Valid Value from RETURN2 + … + RETURNx
470 +(((
471 +(% style="color:#4f81bd" %)**Battery Info+PAYVER + VALID Value from RETURN1 + Valid Value from RETURN2 + … + RETURNx**
472 +)))
468 468  
474 +(((
469 469  Where PAYVER is defined by AT+PAYVER, below is an example screen shot.
476 +)))
470 470  
471 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image019.png]]
478 +[[image:1653269759169-150.png||height="513" width="716"]]
472 472  
480 +(% style="color:#4f81bd" %)**Examples: AT+DATAUP=1**
473 473  
482 +Compose the uplink payload with value returns in sequence and send with (% style="color:red" %)**Multiply UPLINKs**.
474 474  
475 -**Examples: AT+DATAUP=1**
476 -
477 -Compose the uplink payload with value returns in sequence and send with **Multiply UPLINKs**.
478 -
479 479  Final Payload is
480 480  
481 -Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA
486 +(% style="color:#4f81bd" %)**Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA**
482 482  
483 483  1. Battery Info (2 bytes): Battery voltage
484 484  1. PAYVER (1 byte): Defined by AT+PAYVER
485 485  1. PAYLOAD COUNT (1 byte): Total how many uplinks of this sampling.
486 486  1. PAYLOAD# (1 byte): Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
487 -1. DATA: Valid value: max 6 bytes(US915 version here, [[Notice*!>>path:#max_byte]]) for each uplink so each uplink <= 11 bytes. For the last uplink, DATA will might less than 6 bytes
492 +1. DATA: Valid value: max 6 bytes(US915 version here, Notice*!) for each uplink so each uplink <= 11 bytes. For the last uplink, DATA will might less than 6 bytes
488 488  
489 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image020.png]]
494 +[[image:1653269916228-732.png]]
490 490  
491 491  
492 492  So totally there will be 3 uplinks for this sampling, each uplink includes 6 bytes DATA
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