Changes for page Communicate with ABP End Node without LoRaWAN Network Server --- LG308

Last modified by Xiaoling on 2025/07/31 15:09

From 19.1 to 18.6 From 21.7 to 21.6

From version 21.6

edited by Xiaoling
on 2025/07/31 15:00

Change comment: There is no comment for this version

To version 19.1

edited by Xiaoye
on 2022/08/02 11:54

Change comment: There is no comment for this version

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@@ -1,1 +1,1 @@
--XWiki.Xiaoling
++XWiki.Xiaoye

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@@ -10,7 +10,6 @@
  The Dragino LoRaWAN gateway can commuicate with LoRaWAN ABP End Node without the need of LoRaWAN server. It can be used in some cases such as:
  * No internet connection.
--
  * 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>>MQTT Forward Instruction]]).
  (((
@@ -17,14 +17,12 @@
  The basic of this feature is the decoding of (% style="color:red" %)**LoRaWAN ABP End Node**(%%). Requirements:
  )))
--* LoRaWAN End Node in ABP mode. Make sure your end node works in this mode. End node most are default set to OTAA mode
++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
++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]]
++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/]](%%)**
--* LoRaWAN Gateway model: [[DLOS8N>>url:https://www.dragino.com/products/lora-lorawan-gateway/item/225-dlos8n.html]], [[LPS8N>>url:https://www.dragino.com/products/lora-lorawan-gateway/item/200-lps8n.html]], [[LG308N>>url:https://www.dragino.com/products/lora-lorawan-gateway/item/229-lg308n.html]]
--* 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/]](%%)**
--
--
  = 2. How it works =
@@ -48,13 +48,12 @@
  We need to input above keys in LG308 and enable ABP decryption.
--
  [[image:image-20220527161119-1.png]]
--
  Input the ABP keys in LG308
++
  == 2.1 Upstream ==
@@ -61,18 +61,14 @@
  Now when this End Node (Dev Addr=2602111D) send a uplink packet. When this packet arrive LG308, LG308 will decode it and put the decode data on the file /var/iot/channels/2602111D . So we have this data for further process with other applications in LG308.
  (((
--We can see the log of LG308 to know this packet arrive.
--
--
++We can see the log of LG308 to know this packet arrive
  )))
  [[image:image-20220527161149-2.png]]
++LG308 log by "(% style="color:red" %)**logread -f**" (%%)command
--LG308N log by "(% style="color:red" %)**logread -f**" (%%)command
--
--
  The data of End Node is stored in the file /var/iot/channels/2602111D. We can use hexdump command to check it.
  (% class="box" %)
@@ -84,11 +84,10 @@
  )))
  * **RSSI**: 4646 4646 4646 3946 = 0xFFFF FF9F : So RSSI = (0xFFFF FF9F - 0x100000000) = -97
--
  * **SNR**: 3030 3030 3030 3546 = 0x0000 005F = 95, need to divide 10 so SNR is 9.5
--
  * **Payload**: 0xcc0c 0b63 0266 017f ff7f ff00
++
  (% class="box" %)
  (((
  (% 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:
@@ -100,7 +100,6 @@
  )))
--
  (% class="box" %)
  (((
  (% style="color:red" %)**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.
@@ -107,6 +107,7 @@
  )))
++
  === 2.2.1 Decode Method ===
@@ -146,6 +146,7 @@
  Above scripts are store in /etc/lora/decoder/. User can put their scripts here and select it in the UI.
++
  === 2.2.2 How to Decode My End Node ===
@@ -167,15 +167,10 @@
  **Some notice:**
  * RSSI and SNR are added when gateway receive the packet, so there is always this field.
--
  * If you rename the file, please make it executable.
--
  * See this link for lua.bit module: [[http:~~/~~/luaforge.net/projects/bit/>>url:http://luaforge.net/projects/bit/]]
--
  * Lua json module: [[http:~~/~~/json.luaforge.net/>>url:http://json.luaforge.net/]]
--
  * the last line return is what will be used for MQTT
--
  * User can use other language ,not limited to Lua, just make sure the return is what you want to send.
@@ -189,25 +189,19 @@
  (% style="color:#037691" %)**dev_addr,imme/time,txt/hex,payload**
++Since fimware > Dragino-v2 lgw-5.4.1608518541 . Support more option
--Since fimware > [[Dragino lgw~~-~~-build-v5.4.1668567157>>https://www.dragino.com/downloads/index.php?dir=LoRa_Gateway/LG308-LG301/Firmware/Release/]] . Support more option
++(% style="color:#037691" %)**dev_addr,imme/time,txt/hex,payload,txpw,txbw,SF,frequency,rxwindow**
--(% style="color:#037691" %)**dev_addr,imme/time,txt/hex,payload,txpw,txbw,SF,frequency,rxwindow,Fport**
--
  * **dev_addr:** Inptu the device address
--
  * **imme/time:**
  ** imme: send downstream immediately,For Class C end node.
  ** time: send downstream after receive device's uplink. For Class A end node
--
  * **txt/hex:**
  ** txt: send payload in ASCII
  ** hex: send payload in HEX
--
  * **payload: **payload to be sent, payload lenght should match the LoRaWAN protocol requirement.
--
  * **txpw:** Transmit Power. example: 20
--
  * **txbw:** bandwidth:
  ** 1: 500 kHz
  ** 2: 250 kHz
@@ -214,41 +214,27 @@
  ** 3: 125 kHz
  ** 4: 62.5 kHz
  * **SF:** Spreading Factor : SF7/SF8/SF9/SF10/SF11/SF12
--
  * **Frequency:** Transmit Frequency: example: 923300000
--
  * **rxwindow:** transmit on Rx1Window or Rx2Window.
--* **Fport: **Transmit port,example:8
--
  (% style="color:blue" %)**Completely exmaple:**
  * **Old version:** echo 018193F4,imme,hex,0101 > /var/iot/push/test
++* **New version:** echo 018193F4,imme,hex,0101,20,1,SF12,923300000,2 > /var/iot/push/test
--* **New version:** echo 018193F4,imme,hex,0101,20,1,SF12,923300000,2,8 > /var/iot/push/test
++(% style="color:#037691" %)**Downstream Frequency**
--Downstream(% style="color:#037691" %)** Frequency:**
--
  The LG308 will use the RX2 window info to send the downstream payload, use the default LoRaWAN settings, as below:
  * EU868: 869.525Mhz, DR0(SF12BW125)
--
  * US915: 923.3Mhz, SF12 BW500
--
  * CN470: 505.3Mhz, SF12 BW125
--
  * AU915: 923.3Mhz, SF12 BW500
--
  * AS923: 923.2Mhz, SF10 BW125
--
  * KR920: 921.9Mhz, SF12 BW125
--
  * IN865: 866.55Mhz, SF10 BW125
--
  * RU864: 869.1Mhz, SF12 BW125
--
--
  (% style="color:#037691" %)**Examples:**
  (% class="box" %)
@@ -297,6 +297,7 @@
  )))
++
  = 3. Example 1: Communicate with LT-22222-L =
@@ -341,44 +341,38 @@
  )))
--(% style="color:blue" %)**1. Input keys**
++**~1. Input keys**
--
  [[image:image-20220527162450-3.png]]
  Input Keys in LPS8
++**2. Make sure the LPS8 and LT use the same frequency bands, choose EU868 in this test.**
--(% style="color:blue" %)**2. Make sure the LPS8 and LT use the same frequency bands, choose EU868 in this test.**
++**3. Choose Built-in server**
--(% style="color:blue" %)**3. Choose Built-in server**
--
--
  [[image:image-20220527162518-4.png]]
  Choose Built-in server
++**4. Run the script.**
--(% style="color:blue" %)**4. Run the script.**
--
--
  [[image:image-20220722115213-2.png]]
  Run the script
++**5. Output:**
--(% style="color:blue" %)**5. Output:**
--
--
  [[image:image-20220722115133-1.png]]
  Output from LPS8
++
  = 4. Example 2: Communicate to TCP Server =
@@ -389,9 +389,9 @@
  Full instruction video inlcude how to write scripts to fit server needed is here:
++
  (% style="color:#037691" %)**Video Instruction**(%%): **[[https:~~/~~/youtu.be/-nevW6U2TsE>>url:https://youtu.be/-nevW6U2TsE]]**
--(% style="display:none" %) (%%)
  (% style="color:red" %)**Note: Firmware version must be higher than lgw-5.4.1607519907**
@@ -404,9 +404,8 @@
--(% style="color:blue" %)**run socket tool in PC**
++**run socket tool in PC**
--
  [[image:image-20220527163028-9.png]]
@@ -414,9 +414,8 @@
--(% style="color:blue" %)**Input Server address and port**
++**Input Server address and port**
--
  [[image:image-20220527163106-10.png]]
  Input Server address and port
@@ -423,11 +423,10 @@
--(% style="color:blue" %)**See value receive in socket tool:**
++**See value receive in socket tool:**
++[[image:image-20220527163144-11.png]]
--[[image:image-20220527163144-11.png||height="502" width="1371"]]
--
  value receive in socket tool

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