Last modified by Xiaoling on 2023/04/20 18:14
<
From version < 3.4 >
edited by Xiaoling
on 2022/05/27 16:16
To version < 1.11 >
edited by Xiaoling
on 2022/05/12 18:09
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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 (% style="color:red" %)**LoRaWAN ABP End Node**(%%). Requirements:
14 +The basic of this feature is the decoding of **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:**[[(% 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/]](%%)**
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/]]
20 20  
21 21  = 2. How it works =
22 22  
23 23  
24 -(% style="color:#037691" %)**Video Instruction**(%%): **[[https:~~/~~/youtu.be/ZBjXwmp7rwM>>url:https://youtu.be/ZBjXwmp7rwM]]**
24 +**Video Instruction**: [[https:~~/~~/youtu.be/ZBjXwmp7rwM>>url:https://youtu.be/ZBjXwmp7rwM]]
25 25  
26 -
27 27  Assume we have the LoRaWAN tracker LGT92 which works in ABP mode and US915 band. It has below keys:
28 28  
29 29  (% class="box infomessage" %)
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39 39  
40 40  We need to input above keys in LG308 and enable ABP decryption.
41 41  
42 -[[image:image-20220527161119-1.png]]
41 +[[image:https://wiki.dragino.com/images/thumb/5/55/LG308_MQTT_1.png/600px-LG308_MQTT_1.png||height="329" width="600"]]
43 43  
44 44  Input the ABP keys in LG308
45 45  
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52 52  We can see the log of LG308 to know this packet arrive
53 53  )))
54 54  
55 -[[image:image-20220527161149-2.png]]
54 +[[image:https://wiki.dragino.com/images/thumb/1/16/ABP_DECODE_2.png/600px-ABP_DECODE_2.png||height="205" width="600"]]
56 56  
57 57  LG308 log by "logread -f" command
58 58  
... ... @@ -62,8 +62,8 @@
62 62  (% class="box" %)
63 63  (((
64 64  root@dragino-1d25dc:~~# hexdump /var/iot/channels/2602111D
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
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
67 67  000001c
68 68  )))
69 69  
... ... @@ -73,8 +73,8 @@
73 73  
74 74  (% class="box" %)
75 75  (((
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
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
78 78  root@dragino-1d25dc:~~# hexdump /var/iot/channels/2602111D
79 79  0000000 4646 4646 4646 3946 3030 3030 3030 3546
80 80  0000010 6865 6c6c 6f20 776f 726c 6400      ~-~-> Got ASCII code "hello world"    
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83 83  
84 84  (% class="box" %)
85 85  (((
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.
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.
87 87  )))
88 88  
89 -
90 90  === 2.2.1 Decode Method ===
91 91  
92 92  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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329 329  
330 330  (% class="mark" %)**Video Instruction**: [[https:~~/~~/youtu.be/-nevW6U2TsE>>url:https://youtu.be/-nevW6U2TsE]]
331 331  
332 -(% class="mark" %)**Note: Firmware version must be higher than lgw-5.4.1607519907**
333 333  
331 +Note: Firmware version must be higher than lgw-5.4.1607519907
332 +
334 334  Assume we already set up ABP keys in the gateway:
335 335  
336 336  [[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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