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Last modified by Mengting Qiu on 2025/08/06 17:02
From version 175.8
edited by Xiaoling
on 2022/06/15 10:55
Change comment: There is no comment for this version
To version 174.8
edited by Xiaoling
on 2022/06/15 10:37
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  
... ... @@ -591,121 +591,46 @@
591 591  
592 592  
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:
596 +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:
595 595  )))
596 596  
597 597  
598 598   [[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/]].
601 601  
602 602  
603 -AT+<CMD>?  :  Help on <CMD>
604 +== 3.2  Set Transmit Interval Time ==
604 604  
605 -AT+<CMD>  :  Run <CMD>
606 +Feature: Change LoRaWAN End Node Transmit Interval.
606 606  
607 -AT+<CMD>=<value>  :  Set the value
608 +(% style="color:#037691" %)**AT Command: AT+TDC**
608 608  
609 -AT+<CMD>=?  :  Get the value
610 +[[image:image-20220610173409-7.png]]
610 610  
611 611  
612 -(% style="color:#037691" %)** General Commands :**     
613 +(((
614 +(% style="color:#037691" %)**Downlink Command: 0x01**
615 +)))
613 613  
614 -AT  :  Attention       
617 +(((
618 +(((
619 +Format: Command Code (0x01) followed by 3 bytes time value.
615 615  
616 -AT?  :  Short Help     
621 +(((
622 +If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
623 +)))
617 617  
618 -ATZ :  MCU Reset    
625 +* Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
626 +* Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
627 +)))
628 +)))
619 619  
620 -AT+TDC :  Application Data Transmission Interval 
621 621  
622 622  
623 -(% style="color:#037691" %)** Keys, IDs and EUIs management :**
624 624  
625 -AT+APPEUI  :  Application EUI      
626 626  
627 -AT+APPKEY  :  Application Key     
634 +== 3.3  Set Interrupt Mode ==
628 628  
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 -== 3.2  Set Interrupt Mode ==
708 -
709 709  Feature, Set Interrupt mode for GPIO_EXIT.
710 710  
711 711  (% style="color:#037691" %)**Downlink Command: AT+INTMOD**
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724 724  * Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
725 725  * Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
726 726  
727 -
728 -
729 729  = 4.  FAQ =
730 730  
731 731  == 4.1  What is the frequency plan for LDDS75? ==
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