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Last modified by Mengting Qiu on 2025/08/06 17:02
From version 175.3
edited by Xiaoling
on 2022/06/15 10:47
Change comment: There is no comment for this version
To version 174.6
edited by Xiaoling
on 2022/06/15 10:33
Change comment: There is no comment for this version

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363 363  * If the sensor value lower than 0x0014 (20mm), the sensor value will be invalid.
364 364  
365 365  
366 +
366 366  === 2.3.3  Interrupt Pin ===
367 367  
368 368  This data field shows if this packet is generated by interrupt or not. [[Click here>>||anchor="H3.2A0SetInterruptMode"]] for the hardware and software set up.
... ... @@ -406,7 +406,7 @@
406 406  While using TTN network, you can add the payload format to decode the payload.
407 407  
408 408  
409 -[[image:1655261164557-670.png]]
410 +[[image:1654850829385-439.png]]
410 410  
411 411  The payload decoder function for TTN V3 is here:
412 412  
... ... @@ -495,6 +495,7 @@
495 495  * Blink once when device transmit a packet.
496 496  
497 497  
499 +
498 498  == 2.7  ​Firmware Change Log ==
499 499  
500 500  
... ... @@ -560,150 +560,106 @@
560 560  
561 561  
562 562  
563 -== 2.8.4  Battery Life Analyze ==
565 += 3.  Configure LDDS75 via AT Command or LoRaWAN Downlink =
564 564  
565 -Dragino battery powered products are all run in Low Power mode. User can check the guideline from this link to calculate the estimate battery life:
567 +(((
568 +(((
569 +Use can configure LDDS75 via AT Command or LoRaWAN Downlink.
570 +)))
571 +)))
566 566  
567 -[[https:~~/~~/www.dragino.com/downloads/downloads/LoRa_End_Node/Battery_Analyze/DRAGINO_Battery_Life_Guide.pdf>>url:https://www.dragino.com/downloads/downloads/LoRa_End_Node/Battery_Analyze/DRAGINO_Battery_Life_Guide.pdf]]
573 +* (((
574 +(((
575 +AT Command Connection: See [[FAQ>>||anchor="H4.A0FAQ"]].
576 +)))
577 +)))
578 +* (((
579 +(((
580 +LoRaWAN Downlink instruction for different platforms: [[IoT LoRaWAN Server>>doc:Main.WebHome]]
581 +)))
582 +)))
568 568  
584 +(((
585 +(((
586 +
587 +)))
569 569  
589 +(((
590 +There are two kinds of commands to configure LDDS75, they are:
591 +)))
592 +)))
570 570  
571 -= 3.  Using the AT Commands =
594 +* (((
595 +(((
596 +(% style="color:#4f81bd" %)** General Commands**.
597 +)))
598 +)))
572 572  
573 573  (((
574 574  (((
575 -
602 +These commands are to configure:
576 576  )))
577 577  )))
578 578  
579 -== 3.1  Access AT Commands ==
606 +* (((
607 +(((
608 +General system settings like: uplink interval.
609 +)))
610 +)))
611 +* (((
612 +(((
613 +LoRaWAN protocol & radio related command.
614 +)))
615 +)))
580 580  
581 -LDDS20 supports AT Command set in the stock firmware. You can use a USB to TTL adapter to connect to LDDS20 for using AT command, as below.
617 +(((
618 +(((
619 +They are same for all Dragino Device which support DLWS-005 LoRaWAN Stack. These commands can be found on the wiki: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
620 +)))
621 +)))
582 582  
623 +(((
624 +(((
625 +
626 +)))
627 +)))
583 583  
584 -[[image:image-20220610172924-4.png||height="483" width="988"]]
629 +* (((
630 +(((
631 +(% style="color:#4f81bd" %)** Commands special design for LDDS75**
632 +)))
633 +)))
585 585  
586 -
587 -Or if you have below board, use below connection:
588 -
589 -
590 -[[image:image-20220610172924-5.png]]
591 -
592 -
593 593  (((
594 -In the PC, you need to set the serial baud rate to (% style="color:green" %)**9600**(%%) to access the serial console for LDDS20. LDDS20 will output system info once power on as below:
636 +(((
637 +These commands only valid for LDDS75, as below:
595 595  )))
639 +)))
596 596  
597 597  
598 - [[image:image-20220610172924-6.png||height="601" width="860"]]
599 599  
600 -Below are the available commands, a more detailed AT Command manual can be found at [[AT Command Manual>>https://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/]].
643 +== 3.1  Access AT Commands ==
601 601  
645 +LDDS75 supports AT Command set in the stock firmware. You can use a USB to TTL adapter to connect to LDDS75 for using AT command, as below.
602 602  
603 -AT+<CMD>?  :  Help on <CMD>
647 +[[image:image-20220610172924-4.png||height="483" width="988"]]
604 604  
605 -AT+<CMD>  :  Run <CMD>
606 606  
607 -AT+<CMD>=<value>  :  Set the value
650 +Or if you have below board, use below connection:
608 608  
609 -AT+<CMD>=?  :  Get the value
610 610  
653 +[[image:image-20220610172924-5.png]]
611 611  
612 -(% style="color:#037691" %)** General Commands :**     
613 613  
614 -AT  :  Attention       
656 +(((
657 +In the PC, you need to set the serial baud rate to (% style="color:green" %)**9600**(%%) to access the serial console for LDDS75. LDDS75 will output system info once power on as below:
658 +)))
615 615  
616 -AT?  :  Short Help     
617 617  
618 -ATZ :  MCU Reset    
661 + [[image:image-20220610172924-6.png||height="601" width="860"]]
619 619  
620 -AT+TDC :  Application Data Transmission Interval 
621 621  
622 622  
623 -(% style="color:#037691" %)** Keys, IDs and EUIs management :**
624 -
625 -AT+APPEUI              : Application EUI      
626 -
627 -AT+APPKEY              : Application Key     
628 -
629 -AT+APPSKEY            : Application Session Key
630 -
631 -AT+DADDR              : Device Address     
632 -
633 -AT+DEUI                   : Device EUI     
634 -
635 -AT+NWKID               : Network ID (You can enter this command change only after successful network connection) 
636 -
637 -AT+NWKSKEY          : Network Session Key Joining and sending date on LoRa network  
638 -
639 -AT+CFM          : Confirm Mode       
640 -
641 -AT+CFS                     : Confirm Status       
642 -
643 -AT+JOIN          : Join LoRa? Network       
644 -
645 -AT+NJM          : LoRa? Network Join Mode    
646 -
647 -AT+NJS                     : LoRa? Network Join Status    
648 -
649 -AT+RECV                  : Print Last Received Data in Raw Format
650 -
651 -AT+RECVB                : Print Last Received Data in Binary Format      
652 -
653 -AT+SEND                  : Send Text Data      
654 -
655 -AT+SENB                  : Send Hexadecimal Data
656 -
657 -
658 -(% style="color:#037691" %)** LoRa Network Management :**
659 -
660 -AT+ADR          : Adaptive Rate
661 -
662 -AT+CLASS                : LoRa Class(Currently only support class A
663 -
664 -AT+DCS           : Duty Cycle Setting 
665 -
666 -AT+DR                      : Data Rate (Can Only be Modified after ADR=0)     
667 -
668 -AT+FCD           : Frame Counter Downlink       
669 -
670 -AT+FCU           : Frame Counter Uplink   
671 -
672 -AT+JN1DL                : Join Accept Delay1
673 -
674 -AT+JN2DL                : Join Accept Delay2
675 -
676 -AT+PNM                   : Public Network Mode   
677 -
678 -AT+RX1DL                : Receive Delay1      
679 -
680 -AT+RX2DL                : Receive Delay2      
681 -
682 -AT+RX2DR               : Rx2 Window Data Rate 
683 -
684 -AT+RX2FQ               : Rx2 Window Frequency
685 -
686 -AT+TXP           : Transmit Power
687 -
688 -
689 -(% style="color:#037691" %)** Information :**
690 -
691 -AT+RSSI           : RSSI of the Last Received Packet   
692 -
693 -AT+SNR           : SNR of the Last Received Packet   
694 -
695 -AT+VER           : Image Version and Frequency Band       
696 -
697 -AT+FDR           : Factory Data Reset
698 -
699 -AT+PORT                  : Application Port    
700 -
701 -AT+CHS           : Get or Set Frequency (Unit: Hz) for Single Channel Mode
702 -
703 - AT+CHE                   : Get or Set eight channels mode, Only for US915, AU915, CN470
704 -
705 -
706 -
707 707  == 3.2  Set Transmit Interval Time ==
708 708  
709 709  Feature: Change LoRaWAN End Node Transmit Interval.
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