Last modified by Xiaoling on 2023/04/20 18:14
<
From version < 1.11 >
edited by Xiaoling
on 2022/05/12 18:09
To version < 3.4 >
edited by Xiaoling
on 2022/05/27 16:16
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11 11  * User wants to get data forward in gateway and forward to their server base on MQTT/HTTP, etc. (Combine ABP communication method and [[MQTT forward together>>url:https://wiki.dragino.com/index.php/MQTT_Forward_Instruction]]).
12 12  
13 13  (((
14 -The basic of this feature is the decoding of **LoRaWAN ABP End Node**. Requirements:
14 +The basic of this feature is the decoding of (% style="color:red" %)**LoRaWAN ABP End Node**(%%). Requirements:
15 15  )))
16 16  
17 17  1. LoRaWAN End Node in ABP mode. Make sure your end node works in this mode. End node most are default set to OTAA mode
18 18  1. LoRaWAN Gateway model: [[LPS8>>url:http://www.dragino.com/products/lora-lorawan-gateway/item/148-lps8.html]], [[LG308>>url:http://www.dragino.com/products/lora-lorawan-gateway/item/140-lg308.html]], [[DLOS8>>url:http://www.dragino.com/products/lora-lorawan-gateway/item/160-dlos8.html]] ,[[LIG16>>url:http://www.dragino.com/products/lora-lorawan-gateway/item/171-lig16.html]]
19 -1. Firmware version for below instruction:[[Since LG02_LG08~~-~~-build-v5.4.1593400722-20200629-1120>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_Gateway/LPS8/Firmware/Release/]]
19 +1. Firmware version for below instruction:**[[(% style="color:purple" %)Since LG02_LG08~~-~~-build-v5.4.1593400722-20200629-1120>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_Gateway/LPS8/Firmware/Release/]](%%)**
20 20  
21 21  = 2. How it works =
22 22  
23 23  
24 -**Video Instruction**: [[https:~~/~~/youtu.be/ZBjXwmp7rwM>>url:https://youtu.be/ZBjXwmp7rwM]]
24 +(% style="color:#037691" %)**Video Instruction**(%%): **[[https:~~/~~/youtu.be/ZBjXwmp7rwM>>url:https://youtu.be/ZBjXwmp7rwM]]**
25 25  
26 +
26 26  Assume we have the LoRaWAN tracker LGT92 which works in ABP mode and US915 band. It has below keys:
27 27  
28 28  (% class="box infomessage" %)
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38 38  
39 39  We need to input above keys in LG308 and enable ABP decryption.
40 40  
41 -[[image:https://wiki.dragino.com/images/thumb/5/55/LG308_MQTT_1.png/600px-LG308_MQTT_1.png||height="329" width="600"]]
42 +[[image:image-20220527161119-1.png]]
42 42  
43 43  Input the ABP keys in LG308
44 44  
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51 51  We can see the log of LG308 to know this packet arrive
52 52  )))
53 53  
54 -[[image:https://wiki.dragino.com/images/thumb/1/16/ABP_DECODE_2.png/600px-ABP_DECODE_2.png||height="205" width="600"]]
55 +[[image:image-20220527161149-2.png]]
55 55  
56 56  LG308 log by "logread -f" command
57 57  
... ... @@ -61,8 +61,8 @@
61 61  (% class="box" %)
62 62  (((
63 63  root@dragino-1d25dc:~~# hexdump /var/iot/channels/2602111D
64 -0000000 (% class="mark" %)**4646 4646 4646 3946 3030 3030 3030 3546**(%%)      ~-~-> Got RSSI and SNR    
65 -0000010 (% class="mark" %)**cc0c 0b63 0266 017f ff7f ff00 **(%%) ~-~-> Payload
65 +0000000 (% style="color:#037691" %)**4646 4646 4646 3946 3030 3030 3030 3546**(%%)      ~-~-> Got RSSI and SNR    
66 +0000010 (% style="color:#037691" %)**cc0c 0b63 0266 017f ff7f ff00 **(%%) ~-~-> Payload
66 66  000001c
67 67  )))
68 68  
... ... @@ -72,8 +72,8 @@
72 72  
73 73  (% class="box" %)
74 74  (((
75 -(% class="mark" %)**Notice 1**(%%): The data file stored in LG308 for the end node is bin file. If the end node sends ASCII string to gateway, the output will as below:
76 -in LGT92, use **AT+SEND=12**:hello world to send ASCII string
76 +(% style="color:red" %)**Notice 1**(%%): The data file stored in LG308 for the end node is bin file. If the end node sends ASCII string to gateway, the output will as below:
77 +in LGT92, use (% style="color:#037691" %)**AT+SEND=12:hello world** (%%)to send ASCII string
77 77  root@dragino-1d25dc:~~# hexdump /var/iot/channels/2602111D
78 78  0000000 4646 4646 4646 3946 3030 3030 3030 3546
79 79  0000010 6865 6c6c 6f20 776f 726c 6400      ~-~-> Got ASCII code "hello world"    
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82 82  
83 83  (% class="box" %)
84 84  (((
85 -(% class="mark" %)**Notice 2**(%%): The upstream payload length should match the LoRaWAN length requirement (max length depends on Frequency and DR), otherwise the gateway can't decode the payload.
86 +(% style="color:#037691" %)**Notice 2**(%%): The upstream payload length should match the LoRaWAN length requirement (max length depends on Frequency and DR), otherwise the gateway can't decode the payload.
86 86  )))
87 87  
89 +
88 88  === 2.2.1 Decode Method ===
89 89  
90 90  The decode methods: **ASCII String, Decode_LHT65** doesn't affect how the sensor data is stored, they are to define how should the sensor data to be sent.
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327 327  
328 328  (% class="mark" %)**Video Instruction**: [[https:~~/~~/youtu.be/-nevW6U2TsE>>url:https://youtu.be/-nevW6U2TsE]]
329 329  
332 +(% class="mark" %)**Note: Firmware version must be higher than lgw-5.4.1607519907**
330 330  
331 -Note: Firmware version must be higher than lgw-5.4.1607519907
332 -
333 333  Assume we already set up ABP keys in the gateway:
334 334  
335 335  [[image:https://wiki.dragino.com/images/thumb/b/bf/LPS8_LT-22222_1.png/600px-LPS8_LT-22222_1.png||height="335" width="600"]]
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