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Last modified by Mengting Qiu on 2025/08/06 17:02
From version 174.8
edited by Xiaoling
on 2022/06/15 10:37
Change comment: There is no comment for this version
To version 175.8
edited by Xiaoling
on 2022/06/15 10:55
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 -
367 367  === 2.3.3  Interrupt Pin ===
368 368  
369 369  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.
... ... @@ -407,7 +407,7 @@
407 407  While using TTN network, you can add the payload format to decode the payload.
408 408  
409 409  
410 -[[image:1654850829385-439.png]]
409 +[[image:1655261164557-670.png]]
411 411  
412 412  The payload decoder function for TTN V3 is here:
413 413  
... ... @@ -496,7 +496,6 @@
496 496  * Blink once when device transmit a packet.
497 497  
498 498  
499 -
500 500  == 2.7  ​Firmware Change Log ==
501 501  
502 502  
... ... @@ -593,46 +593,121 @@
593 593  
594 594  
595 595  (((
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:
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:
597 597  )))
598 598  
599 599  
600 600   [[image:image-20220610172924-6.png||height="601" width="860"]]
601 601  
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/]].
602 602  
603 603  
604 -== 3.2  Set Transmit Interval Time ==
603 +AT+<CMD>?  :  Help on <CMD>
605 605  
606 -Feature: Change LoRaWAN End Node Transmit Interval.
605 +AT+<CMD>  :  Run <CMD>
607 607  
608 -(% style="color:#037691" %)**AT Command: AT+TDC**
607 +AT+<CMD>=<value>  :  Set the value
609 609  
610 -[[image:image-20220610173409-7.png]]
609 +AT+<CMD>=?  :  Get the value
611 611  
612 612  
613 -(((
614 -(% style="color:#037691" %)**Downlink Command: 0x01**
615 -)))
612 +(% style="color:#037691" %)** General Commands :**     
616 616  
617 -(((
618 -(((
619 -Format: Command Code (0x01) followed by 3 bytes time value.
614 +AT  :  Attention       
620 620  
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 -)))
616 +AT?  :  Short Help     
624 624  
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 -)))
618 +ATZ :  MCU Reset    
629 629  
620 +AT+TDC :  Application Data Transmission Interval 
630 630  
631 631  
623 +(% style="color:#037691" %)** Keys, IDs and EUIs management :**
632 632  
625 +AT+APPEUI  :  Application EUI      
633 633  
634 -== 3.3  Set Interrupt Mode ==
627 +AT+APPKEY  :  Application Key     
635 635  
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 +
636 636  Feature, Set Interrupt mode for GPIO_EXIT.
637 637  
638 638  (% style="color:#037691" %)**Downlink Command: AT+INTMOD**
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651 651  * Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
652 652  * Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
653 653  
727 +
728 +
654 654  = 4.  FAQ =
655 655  
656 656  == 4.1  What is the frequency plan for LDDS75? ==
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