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Last modified by Xiaoling on 2025/04/23 15:57
From version 40.51
edited by Xiaoling
on 2022/06/06 10:50
Change comment: There is no comment for this version
To version 41.1
edited by Xiaoling
on 2022/06/06 10:54
Change comment: Uploaded new attachment "image-20220606105412-1.png", version {1}

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382 382  )))
383 383  )))
384 384  
385 +
386 +
385 385  === 3.3.2 Configure sensors ===
386 386  
387 387  (((
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405 405  Detail of AT+CFGDEV command see [[AT+CFGDEV detail>>||anchor="HRS485DebugCommand28AT2BCFGDEV29"]].
406 406  
407 407  
410 +
408 408  === 3.3.3 Configure read commands for each sampling ===
409 409  
410 410  (((
... ... @@ -471,117 +471,209 @@
471 471  After we got the valid value from each RS485 commands, we need to combine them together with the command **AT+DATAUP**.
472 472  )))
473 473  
477 +(((
474 474  **Examples:**
479 +)))
475 475  
481 +(((
476 476  Below are examples for the how above AT Commands works.
483 +)))
477 477  
485 +(((
478 478  **AT+COMMANDx : **This command will be sent to RS485/TTL devices during each sampling, Max command length is 14 bytes. The grammar is:
487 +)))
479 479  
480 480  (% border="1" class="table-bordered" style="background-color:#4f81bd; color:white; width:500px" %)
481 481  |(% style="width:498px" %)(((
491 +(((
482 482  **AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
493 +)))
483 483  
495 +(((
484 484  **xx xx xx xx xx xx xx xx xx xx xx xx: The RS485 command to be sent**
497 +)))
485 485  
499 +(((
486 486  **m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command**
487 487  )))
502 +)))
488 488  
504 +(((
489 489  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.
506 +)))
490 490  
508 +(((
491 491  In the RS485-BL, we should use this command AT+COMMAND1=01 03 0B B8 00 02,1 for the same.
510 +)))
492 492  
512 +(((
493 493  **AT+SEARCHx**: This command defines how to handle the return from AT+COMMANDx.
514 +)))
494 494  
495 495  (% border="1" class="table-bordered" style="background-color:#4f81bd; color:white; width:500px" %)
496 496  |(% style="width:577px" %)(((
518 +(((
497 497  **AT+SEARCHx=aa,xx xx xx xx xx**
520 +)))
498 498  
499 -* **aa: 1: prefix match mode; 2: prefix and suffix match mode**
500 -* **xx xx xx xx xx: match string. Max 5 bytes for prefix and 5 bytes for suffix**
522 +* (((
523 +**aa: 1: prefix match mode; 2: prefix and suffix match mode**
501 501  )))
525 +* (((
526 +**xx xx xx xx xx: match string. Max 5 bytes for prefix and 5 bytes for suffix**
527 +)))
528 +)))
502 502  
530 +(((
503 503  **Examples:**
532 +)))
504 504  
534 +(((
505 505  1）For a return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
536 +)))
506 506  
538 +(((
507 507  If we set AT+SEARCH1=1,1E 56 34.      (max 5 bytes for prefix)
540 +)))
508 508  
542 +(((
509 509  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**
544 +)))
510 510  
546 +(((
511 511  [[image:1653271044481-711.png]]
548 +)))
512 512  
550 +(((
513 513  2）For a return string from AT+COMMAND1:  16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
552 +)))
514 514  
554 +(((
515 515  If we set AT+SEARCH1=2, 1E 56 34+31 00 49
556 +)))
516 516  
558 +(((
517 517  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**
560 +)))
518 518  
562 +(((
519 519  [[image:1653271276735-972.png]]
564 +)))
520 520  
566 +(((
521 521  **AT+DATACUTx : **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.
568 +)))
522 522  
523 523  (% style="background-color:#4f81bd; color:white; width:510px" %)
524 524  |(% style="width:726px" %)(((
572 +(((
525 525  **AT+DATACUTx=a,b,c**
574 +)))
526 526  
527 -* **a: length for the return of AT+COMMAND**
528 -* **b:1: grab valid value by byte, max 6 bytes. 2: grab valid value by bytes section, max 3 sections.**
529 -* **c: define the position for valid value.  **
576 +* (((
577 +**a: length for the return of AT+COMMAND**
530 530  )))
579 +* (((
580 +**b:1: grab valid value by byte, max 6 bytes. 2: grab valid value by bytes section, max 3 sections.**
581 +)))
582 +* (((
583 +**c: define the position for valid value.  **
584 +)))
585 +)))
531 531  
587 +(((
532 532  **Examples:**
589 +)))
533 533  
534 -* Grab bytes:
591 +* (((
592 +Grab bytes:
593 +)))
535 535  
595 +(((
536 536  [[image:1653271581490-837.png||height="313" width="722"]]
597 +)))
537 537  
599 +(((
600 +
601 +)))
538 538  
539 -* Grab a section.
603 +* (((
604 +Grab a section.
605 +)))
540 540  
607 +(((
541 541  [[image:1653271648378-342.png||height="326" width="720"]]
609 +)))
542 542  
611 +(((
612 +
613 +)))
543 543  
544 -* Grab different sections.
615 +* (((
616 +Grab different sections.
617 +)))
545 545  
619 +(((
546 546  [[image:1653271657255-576.png||height="305" width="730"]]
621 +)))
547 547  
548 548  (((
624 +(((
549 549  (% style="color:red" %)**Note:**
550 550  )))
627 +)))
551 551  
552 552  (((
630 +(((
553 553  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.
554 554  )))
633 +)))
555 555  
556 556  (((
636 +(((
557 557  **Example:**
558 558  )))
639 +)))
559 559  
560 560  (((
642 +(((
561 561  (% style="color:red" %)AT+COMMAND1=11 01 1E D0,0
562 562  )))
645 +)))
563 563  
564 564  (((
648 +(((
565 565  (% style="color:red" %)AT+SEARCH1=1,1E 56 34
566 566  )))
651 +)))
567 567  
568 568  (((
654 +(((
569 569  (% style="color:red" %)AT+DATACUT1=0,2,1~~5
570 570  )))
657 +)))
571 571  
572 572  (((
660 +(((
573 573  (% style="color:red" %)Return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
574 574  )))
663 +)))
575 575  
576 576  (((
666 +(((
577 577  (% style="color:red" %)String after SEARCH command: 2e 30 58 5f 36 41 30 31 00 49
578 578  )))
669 +)))
579 579  
580 580  (((
672 +(((
581 581  (% style="color:red" %)Valid payload after DataCUT command: 2e 30 58 5f 36
582 582  )))
675 +)))
583 583  
677 +(((
584 584  [[image:1653271763403-806.png]]
679 +)))
585 585  
586 586  
587 587  === 3.3.4 Compose the uplink payload ===
image-20220606105412-1.png
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