Changes for page Notes for ChirpStack

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... ... @@ -45,7 +45,7 @@
45 45  
46 46  **Step 1: Add application**
47 47  
48 -[[image:image-20230702094608-1.png||height="537" width="1015"]]
48 +[[image:image-20240831154333-1.png||height="553" width="1074"]]
49 49  
50 50  
51 51  **Step 2：Fill name**
... ... @@ -629,10 +629,140 @@
629 629  [[image:image-20220531174046-19.png]]
630 630  
631 631  
632 -= 9.  Multiply Uplink in ChirpStack =
632 += 9.  Chirpstack Multicast Configuration =
633 633  
634 634  
635 +== 9.1  Introduction ==
636 +
637 +ChirpStack has support for creating multicast-groups to which devices can be assigned. When enqueueing a downlink payload for a multicast-group, ChirpStack will analyze which gateways must be used for broadcasting to cover the complete multicast-group. This means that potentially, a single multicast downlink payload will be emitted multiple times.
638 +
639 +Multicast can be used for the following device-classes:
640 +
641 +* Class-B
642 +* Class-C
643 +
644 +== 9.2  Example to configure chirpstack Multicast ==
645 +
646 +
647 +This section illustrates how to configure ChirpStack Multicast. Below is the network structure, we use our LPS8v2 as the LoRaWAN gateway and two SN50v3-LB as the LoRaWAN end-node here.
648 +
649 +[[image:image-20240923105725-1.png]]
650 +
651 +
652 +This example assumes users already have:
653 +
654 +* SN50v3-LB register on ChirpStack server already
655 +* The user is able to see the data on the ChirpStack server device page.
656 +
657 +(% class="wikigeneratedid" %)
658 +(% style="color:red" %)**Note: **(%%)SN50v3-LB must enable CLASS C and DISFCNTCHECK(The downlink fcnt is not compared with the fcnt of the node).
659 +
660 +(% class="wikigeneratedid" %)
661 +AT command: **AT+CLASS=C**
662 +
663 +(% class="wikigeneratedid" %)
664 + **AT+DISFCNTCHECK=1**
665 +
666 +
667 +=== Step 1. Create the multicast group ===
668 +
669 +
670 +Create the multicast group on the corresponding **Application~-~->multicast groups~-~->Add multicast-group** interface, For example, multicast_test01_au915
671 +
672 +[[image:image-20240923141847-3.png||height="620" width="1207"]]
673 +
674 +
675 +Enter the Multicast address,Multicast network session key,Multicast application session key.
676 +
677 +Use the default LoRaWAN settings, as below:
678 +
679 +* EU868: 869525000hz, DR0
680 +
681 +* US915: 923300000hz, DR8
682 +
683 +* CN470: 505300000hz, DR0
684 +
685 +* AU915: 923300000hz, DR8
686 +
687 +* AS923: 923200000hz, DR2
688 +
689 +* KR920: 921900000hz, DR0
690 +
691 +* IN865: 866550000hz, DR2
692 +
693 +* RU864: 869100000hz, DR0
694 +
695 +Group type: **Class-C**
696 +
697 +Class-C scheduling type : **Delay**
698 +
699 +[[image:image-20240923142446-5.png||height="720" width="1208"]]
700 +
701 +
702 +=== Step 2. Add gateways and devices to the multicast group ===
703 +
704 +
705 +Select a gateway on the "**Gateways**" screen, click "**selected gateways"**, and click "**Add to multicast-group**" to add the gateway to the corresponding multicast group, for example, **multicast_test01_au915**.
706 +
707 +[[image:image-20240923144335-6.png||height="619" width="1209"]]
708 +
709 +[[image:image-20240923144418-7.png||height="572" width="1206"]]
710 +
711 +
712 +On the **Application->Devices** interface, select two SN50v3-LB nodes registered with multicast support, and then click "**Selected devices**". and click "**Add to multicast-group**" to add the node to the corresponding multicast group
713 +
714 +[[image:image-20240923144749-9.png||height="623" width="1211"]]
715 +
716 +
717 +Access the multicast group to check whether two SN50V3-LBs and gateways are added successfully
718 +
719 +[[image:image-20240923145148-10.png||height="601" width="1218"]]
720 +
721 +
722 +=== Step 3. Use the API for multicast Downlink ===
723 +
724 +
725 +To use API Downlink, user first need to generate an API key
726 +
727 +[[image:image-20240923145624-18.png||height="429" width="1211"]]
728 +
729 +[[image:image-20240923145520-16.png||height="422" width="1212"]]
730 +
731 +
732 +For example:**[[https:~~/~~/www.chirpstack.io/docs/chirpstack/api/index.html>>url:https://www.chirpstack.io/docs/chirpstack/api/index.html]]**
733 +
734 +[[image:image-20240923145953-21.png||height="808" width="1222"]]
735 +
736 +
737 +Users can access the Linux console of the gateway via SSH, and then use the curl command to multicast Downlink
738 +
739 +The format is as follows:
740 +
741 +(% class="box infomessage" %)
635 635  (((
743 +curl -X POST 'http:~/~/**Chirpstack_Server_Address**:8090/api/multicast-groups/**Multicast_Groups_ID**/queue' -H "Content-Type: application/json" -H "Authorization: Bearer **eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJhdWQiOiJjaGlycHN0YWNrIiwiaXNzIjoiY2hpcnBzdGFjayIsInN1YiI6IjM3YmRiNzBjLTNjODgtNDFjMi04YmQ2LTgyMDI4ZjdkNzY3NyIsInR5cCI6ImtleSJ9.p1xvRP1PAdwLnLAJn9w6ef612KM8oPZSa_2v4UYPV0w**" -d '{
744 + "queueItem": {
745 + "data": "EjRWeA==",
746 + "fCnt": 0,
747 + "fPort": 123
748 + }
749 +}'
750 +)))
751 +
752 +In the command,eyJ........._2v4UYPV0w is the API key, which can be obtained from the Chirpstack server and the data format is base64,
753 +
754 +
755 +=== Result ===
756 +
757 +Connecting to the SN50v3-LB using the serial USB-TTL port can check that two SN50v3-LBs are receiving Downlink at the same time
758 +
759 +[[image:image-20240923151814-23.png||height="563" width="1255"]]
760 +
761 +
762 += 10.  Multiply Uplink in ChirpStack =
763 +
764 +
765 +(((
636 636  nbtrans field is the value to determine the re-transmission time for unconfirmed uplink data.
637 637  )))
638 638  
... ... @@ -672,7 +672,7 @@
672 672  [[image:image-20220601102430-1.png||height="508" width="1120"]]
673 673  
674 674  
675 -== 9.1  Solution ==
805 +== 10.1  Solution ==
676 676  
677 677  
678 678  This example uses the Windows version as a template, other versions can refer to this. Similiar reference: [[https:~~/~~/confluence.alitecs.de/plugins/servlet/mobile?contentId=79790102#content/view/79790102>>url:https://confluence.alitecs.de/plugins/servlet/mobile?contentId=79790102#content/view/79790102]]
... ... @@ -791,7 +791,7 @@
791 791  Finish.
792 792  
793 793  
794 -= 10.  How to store/get all data traffic for a specific sensor, including raw payload, and uplink/ downlink history. =
924 += 11.  How to store/get all data traffic for a specific sensor, including raw payload, and uplink/ downlink history. =
795 795  
796 796  
797 797  All data is published to the MQTT topics. if you want to store/get the data, you would have to create an MQTT handler and store the data yourself.
... ... @@ -840,7 +840,7 @@
840 840  [[image:image-20221012173639-1.png||height="273" width="1206"]]
841 841  
842 842  
843 -= 11.  How to use Chirpstack API to batch register Sensor Node/Gateway in Chistapstack Server =
973 += 12.  How to use Chirpstack API to batch register Sensor Node/Gateway in Chistapstack Server =
844 844  
845 845  The following example is based on the built-in ChirpStack server for LPS8V2
846 846  
... ... @@ -847,7 +847,7 @@
847 847  [[image:image-20231201174640-1.png||height="584" width="1148"]]
848 848  
849 849  
850 -== **11.1 Generate API Tokens** ==
980 +== **12.1 Generate API Tokens** ==
851 851  
852 852  Access the built-in chirpstack , click "**API Key**" and "**Add API Key**".
853 853  
... ... @@ -860,7 +860,7 @@
860 860  [[image:image-20231204104802-1.png]]
861 861  
862 862  
863 -== **11.2 Template file** ==
993 +== **12.2 Template file** ==
864 864  
865 865  
866 866  Click on **"Template File Download"**, the user will download a **register.csv** template file,
... ... @@ -882,7 +882,7 @@
882 882  
883 883  
884 884  
885 -== **11.3 Batch Register** ==
1015 +== **12.3 Batch Register** ==
886 886  
887 887  [[image:image-20231204113136-11.png||height="362" width="1062"]]
888 888  
... ... @@ -895,7 +895,7 @@
895 895  
896 896  
897 897  
898 -= 12.  Example: Use Local Server ChirpStack and Node-Red in LPS8v2 =
1028 += 13.  Example: Use Local Server ChirpStack and Node-Red in LPS8v2 =
899 899  
900 900  
901 901  LPS8v2 includes a local ChirpStack Server and Node-Red. This example shows how to configure LHT65N to use with the local Node-Red server. This example assumes users already have:
... ... @@ -906,7 +906,7 @@
906 906  Below are the steps to plot the sensor data on LPS8v2 Node-Red.
907 907  
908 908  
909 -== 12.1 Link Node-Red to Local ChirpStack ==
1039 +== 13.1 Link Node-Red to Local ChirpStack ==
910 910  
911 911  
912 912  Users can download the Node-Red decoder from this link and import it into the Node-Red platform:  **[[attach:LHT65N-ChirpStack-node-red.json||target="_blank"]]**
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940 940  [[image:http://wiki.dragino.com/xwiki/bin/download/Main/Notes%20for%20TTN/WebHome/image-20220914140918-5.png?width=1121&height=602&rev=1.1||alt="image-20220914140918-5.png"]]
941 941  
942 942  
943 -== 12.2 Check result. ==
1073 +== 13.2 Check result. ==
944 944  
945 945  
946 946  Users can check logs by adding debug.
... ... @@ -950,9 +950,9 @@
950 950  [[image:image-20230529150923-1.png||height="424" width="1118"]]
951 951  
952 952  
953 -= 13.  Trouble Shooting =
1083 += 14.  Trouble Shooting =
954 954  
955 -== 13.1  MIC Mismatch or MIC Failed ==
1085 +== 14.1  MIC Mismatch or MIC Failed ==
956 956  
957 957  
958 958  (((
... ... @@ -963,7 +963,7 @@
963 963  Under normal circumstances, users need to change the APPKEY to solve this problem.
964 964  
965 965  
966 -== 13.2  The node is very close to the gateway, but the signal is poor ==
1096 +== 14.2  The node is very close to the gateway, but the signal is poor ==
967 967  
968 968  
969 969  If you are using US915 or AU915, you found the frequency points of different subband ranges in your uplink
... ... @@ -992,7 +992,7 @@
992 992  **Note: lorawan's protocol link——[[LoRaWAN® Regional Parameters v1.0.3revA (lora-alliance.org)>>url:https://resources.lora-alliance.org/document/lorawan-regional-parameters-v1-0-3reva]]**
993 993  
994 994  
995 -== 13.3  ChirpStackv4 node device displays "UPLINK_F_CNT_RETRANSMISSION" ==
1125 +== 14.3  ChirpStackv4 node device displays "UPLINK_F_CNT_RETRANSMISSION" ==
996 996  
997 997  
998 998  This is because the node's packets are retransmitted, and the Fcnt of these packets is the same.
... ... @@ -1023,7 +1023,7 @@
1023 1023  [[image:image-20240717092428-4.jpeg]]
1024 1024  
1025 1025  
1026 -== 13.4  How to get the log information of the node？ ==
1156 +== 14.4  How to get the log information of the node？ ==
1027 1027  
1028 1028  
1029 1029  ~1. Get information about a single node.
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