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Last modified by Xiaoling on 2025/04/23 15:57
From version 16.1
edited by Xiaoling
on 2022/05/19 18:02
Change comment: There is no comment for this version
To version 28.4
edited by Xiaoling
on 2022/05/23 10:46
Change comment: There is no comment for this version

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... ... @@ -397,8 +397,8 @@
397 397  
398 398  **AT+COMMANDx : **This command will be sent to RS485/TTL devices during each sampling, Max command length is 14 bytes. The grammar is:
399 399  
400 -(% border="1" class="table-bordered" %)
401 -|(((
400 +(% border="1" class="table-bordered" style="background-color:#4f81bd; color:white; width:501px" %)
401 +|(% style="width:498px" %)(((
402 402  **AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
403 403  
404 404  **xx xx xx xx xx xx xx xx xx xx xx xx: The RS485 command to be sent**
... ... @@ -412,39 +412,36 @@
412 412  
413 413  **AT+SEARCHx**: This command defines how to handle the return from AT+COMMANDx.
414 414  
415 -(% border="1" class="table-bordered" %)
416 -|(((
415 +(% border="1" class="table-bordered" style="background-color:#4f81bd; color:white; width:580px" %)
416 +|(% style="width:577px" %)(((
417 417  **AT+SEARCHx=aa,xx xx xx xx xx**
418 418  
419 419  * **aa: 1: prefix match mode; 2: prefix and suffix match mode**
420 420  * **xx xx xx xx xx: match string. Max 5 bytes for prefix and 5 bytes for suffix**
421 -
422 -
423 423  )))
424 424  
425 -Examples:
423 +**Examples:**
426 426  
427 427  1. For a return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
428 428  
429 429  If we set AT+SEARCH1=1,1E 56 34.      (max 5 bytes for prefix)
430 430  
431 -The valid data will be all bytes after 1E 56 34 , so it is 2e 30 58 5f 36 41 30 31 00 49
429 +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**
432 432  
433 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image013.png]]
431 +[[image:1653271044481-711.png]]
434 434  
435 -
436 436  1. For a return string from AT+COMMAND1:  16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
437 437  
438 438  If we set AT+SEARCH1=2, 1E 56 34+31 00 49
439 439  
440 -Device will search the bytes between 1E 56 34 and 31 00 49. So it is 2e 30 58 5f 36 41 30
437 +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**
441 441  
442 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image014.png]]
439 +[[image:1653271276735-972.png]]
443 443  
444 -
445 445  **AT+DATACUTx : **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.
446 446  
447 -|(((
443 +(% style="background-color:#4f81bd; color:white; width:729px" %)
444 +|(% style="width:726px" %)(((
448 448  **AT+DATACUTx=a,b,c**
449 449  
450 450  * **a: length for the return of AT+COMMAND**
... ... @@ -456,95 +456,130 @@
456 456  
457 457  * Grab bytes:
458 458  
459 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image015.png]]
456 +[[image:1653271581490-837.png||height="313" width="722"]]
460 460  
461 461  * Grab a section.
462 462  
463 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image016.png]]
460 +[[image:1653271648378-342.png||height="326" width="720"]]
464 464  
465 465  * Grab different sections.
466 466  
467 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image017.png]]
464 +[[image:1653271657255-576.png||height="305" width="730"]]
468 468  
466 +(((
467 +(% style="color:red" %)**Note:**
468 +)))
469 469  
470 -Note:
471 -
470 +(((
472 472  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.
472 +)))
473 473  
474 -Example:
474 +(((
475 +**Example:**
476 +)))
475 475  
476 -AT+COMMAND1=11 01 1E D0,0
478 +(((
479 +(% style="color:red" %)AT+COMMAND1=11 01 1E D0,0
480 +)))
477 477  
478 -AT+SEARCH1=1,1E 56 34
482 +(((
483 +(% style="color:red" %)AT+SEARCH1=1,1E 56 34
484 +)))
479 479  
480 -AT+DATACUT1=0,2,1~~5
486 +(((
487 +(% style="color:red" %)AT+DATACUT1=0,2,1~~5
488 +)))
481 481  
482 -Return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
490 +(((
491 +(% style="color:red" %)Return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
492 +)))
483 483  
484 -String after SEARCH command: 2e 30 58 5f 36 41 30 31 00 49
494 +(((
495 +(% style="color:red" %)String after SEARCH command: 2e 30 58 5f 36 41 30 31 00 49
496 +)))
485 485  
486 -Valid payload after DataCUT command: 2e 30 58 5f 36
498 +(((
499 +(% style="color:red" %)Valid payload after DataCUT command: 2e 30 58 5f 36
500 +)))
487 487  
488 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image018.png]]
502 +[[image:1653271763403-806.png]]
489 489  
504 +=== 3.3.4 Compose the uplink payload ===
490 490  
491 -
492 -
493 -1.
494 -11.
495 -111. Compose the uplink payload
496 -
506 +(((
497 497  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.**
508 +)))
498 498  
510 +(((
511 +(% style="color:#4f81bd" %)**Examples: AT+DATAUP=0**
512 +)))
499 499  
500 -**Examples: AT+DATAUP=0**
514 +(((
515 +Compose the uplink payload with value returns in sequence and send with (% style="color:red" %)**A SIGNLE UPLINK**.
516 +)))
501 501  
502 -Compose the uplink payload with value returns in sequence and send with **A SIGNLE UPLINK**.
503 -
518 +(((
504 504  Final Payload is
520 +)))
505 505  
506 -Battery Info+PAYVER + VALID Value from RETURN1 + Valid Value from RETURN2 + … + RETURNx
522 +(((
523 +(% style="color:#4f81bd" %)Battery Info+PAYVER + VALID Value from RETURN1 + Valid Value from RETURN2 + … + RETURNx
524 +)))
507 507  
526 +(((
508 508  Where PAYVER is defined by AT+PAYVER, below is an example screen shot.
528 +)))
509 509  
510 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image019.png]]
530 +[[image:1653272787040-634.png||height="515" width="719"]]
511 511  
532 +(((
533 +(% style="color:#4f81bd" %)**Examples: AT+DATAUP=1**
534 +)))
512 512  
536 +(((
537 +Compose the uplink payload with value returns in sequence and send with (% style="color:red" %)**Multiply UPLINKs**.
538 +)))
513 513  
514 -**Examples: AT+DATAUP=1**
515 -
516 -Compose the uplink payload with value returns in sequence and send with **Multiply UPLINKs**.
517 -
540 +(((
518 518  Final Payload is
542 +)))
519 519  
520 -Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA
544 +(((
545 +(% style="color:#4f81bd" %)Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA
546 +)))
521 521  
522 -1. Battery Info (2 bytes): Battery voltage
523 -1. PAYVER (1 byte): Defined by AT+PAYVER
524 -1. PAYLOAD COUNT (1 byte): Total how many uplinks of this sampling.
525 -1. PAYLOAD# (1 byte): Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
526 -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
548 +1. (((
549 +Battery Info (2 bytes): Battery voltage
550 +)))
551 +1. (((
552 +PAYVER (1 byte): Defined by AT+PAYVER
553 +)))
554 +1. (((
555 +PAYLOAD COUNT (1 byte): Total how many uplinks of this sampling.
556 +)))
557 +1. (((
558 +PAYLOAD# (1 byte): Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
559 +)))
560 +1. (((
561 +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
562 +)))
527 527  
528 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image020.png]]
564 +[[image:1653272817147-600.png||height="437" width="717"]]
529 529  
530 -
531 531  So totally there will be 3 uplinks for this sampling, each uplink includes 6 bytes DATA
532 532  
533 -DATA1=RETURN1 Valid Value = 20 20 0a 33 90 41
568 +DATA1=RETURN1 Valid Value = (% style="background-color:#4f81bd; color:white" %) 20 20 0a 33 90 41
534 534  
535 -DATA2=1^^st^^ ~~ 6^^th^^ byte of Valid value of RETURN10= 02 aa 05 81 0a 20
570 +DATA2=1^^st^^ ~~ 6^^th^^ byte of Valid value of RETURN10= (% style="background-color:#4f81bd; color:white" %)02 aa 05 81 0a 20
536 536  
537 -DATA3=7^^th^^ ~~ 11^^th^^ bytes of Valid value of RETURN10 = 20 20 20 2d 30
572 +DATA3=7^^th^^ ~~ 11^^th^^ bytes of Valid value of RETURN10 =(% style="background-color:#4f81bd; color:white" %) 20 20 20 2d 30
538 538  
539 -
540 -
541 541  Below are the uplink payloads:
542 542  
543 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image021.png]]
576 +[[image:1653272901032-107.png]]
544 544  
578 +(% style="color:red" %)Notice: the Max bytes is according to the max support bytes in different Frequency Bands for lowest SF. As below:
545 545  
546 -Notice: the Max bytes is according to the max support bytes in different Frequency Bands for lowest SF. As below:
547 -
548 548   ~* For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink ( so 51 -5 = 46 max valid date)
549 549  
550 550   * For AU915/AS923 bands, if UplinkDwell time=1, max 11 bytes for each uplink ( so 11 -5 = 6 max valid date).
... ... @@ -553,52 +553,67 @@
553 553  
554 554   ~* For all other bands: max 51 bytes for each uplink  ( so 51 -5 = 46 max valid date).
555 555  
588 +=== 3.3.5 Uplink on demand ===
556 556  
557 -
558 -1.
559 -11.
560 -111. Uplink on demand
561 -
590 +(((
562 562  Except uplink periodically, RS485-BL is able to uplink on demand. The server sends downlink command to RS485-BL and RS485 will uplink data base on the command.
592 +)))
563 563  
594 +(((
564 564  Downlink control command:
596 +)))
565 565  
566 -[[0x08 command>>path:#downlink_08]]: Poll an uplink with current command set in RS485-BL.
598 +(((
599 +**0x08 command**: Poll an uplink with current command set in RS485-BL.
600 +)))
567 567  
568 -[[0xA8 command>>path:#downlink_A8]]: Send a command to RS485-BL and uplink the output from sensors.
602 +(((
603 +**0xA8 command**: Send a command to RS485-BL and uplink the output from sensors.
604 +)))
569 569  
606 +=== 3.3.6 Uplink on Interrupt ===
570 570  
608 +Put the interrupt sensor between 3.3v_out and GPIO ext.
571 571  
572 -1.
573 -11.
574 -111. Uplink on Interrupt
610 +[[image:1653273818896-432.png]]
575 575  
576 -Put the interrupt sensor between 3.3v_out and GPIO ext.[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image022.png]]
577 -
612 +(((
578 578  AT+INTMOD=0  Disable Interrupt
614 +)))
579 579  
616 +(((
580 580  AT+INTMOD=1  Interrupt trigger by rising or falling edge.
618 +)))
581 581  
620 +(((
582 582  AT+INTMOD=2  Interrupt trigger by falling edge. ( Default Value)
622 +)))
583 583  
624 +(((
584 584  AT+INTMOD=3  Interrupt trigger by rising edge.
626 +)))
585 585  
628 +== 3.4 Uplink Payload ==
586 586  
587 -1.
588 -11. Uplink Payload
589 -
590 -|**Size(bytes)**|**2**|**1**|**Length depends on the return from the commands**
591 -|Value|(((
630 +(% border="1" style="background-color:#4f81bd; color:white; width:850px" %)
631 +|**Size(bytes)**|(% style="width:130px" %)**2**|(% style="width:93px" %)**1**|(% style="width:509px" %)**Length depends on the return from the commands**
632 +|Value|(% style="width:130px" %)(((
633 +(((
592 592  Battery(mV)
635 +)))
593 593  
637 +(((
594 594  &
639 +)))
595 595  
641 +(((
596 596  Interrupt _Flag
597 -)))|(((
643 +)))
644 +)))|(% style="width:93px" %)(((
598 598  PAYLOAD_VER
599 599  
600 600  
601 -)))|If the valid payload is too long and exceed the maximum support payload length in server, server will show payload not provided in the LoRaWAN server.
648 +)))|(% style="width:509px" %)If the valid payload is too long and exceed the maximum support payload length in server, server will show payload not provided in the LoRaWAN server.
602 602  
603 603  Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
604 604  
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