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

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

From 15.1 to 14.8

From version 23.1

edited by Xiaoling
on 2025/07/31 15:09

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To version 15.1

edited by Xiaoling
on 2022/07/22 11:32

Change comment: There is no comment for this version

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--**Table of Contents:**
++*
++** Table of** **Contents:
  {{toc/}}
@@ -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 +17,10 @@
  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 =
@@ -48,10 +48,8 @@
  We need to input above keys in LG308 and enable ABP decryption.
--
  [[image:image-20220527161119-1.png]]
--
  Input the ABP keys in LG308
@@ -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
--
  The data of End Node is stored in the file /var/iot/channels/2602111D. We can use hexdump command to check it.
  (% class="box" %)
@@ -84,9 +84,7 @@
  )))
  * **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" %)
@@ -99,9 +99,6 @@
 c
  )))
--
--
--
  (% 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.
@@ -150,33 +150,24 @@
  === 2.2.2 How to Decode My End Node ===
--**1.** Configure the ABP keys for your end node in the gateway. enable ABP decode in Web UI
++1/ Configure the ABP keys for your end node in the gateway. enable ABP decode in Web UI
--**2. **Don't choose MQTT service, use LoRaWAN.
++2/ Don't choose MQTT service, use LoRaWAN.
--**3.** When your end node send a message to the gateway, there will be a file store in /var/iot/channels. full path should be /var/iot/channels/END_NODE_DEV_ADDR
++3/ When your end node send a message to the gateway, there will be a file store in /var/iot/channels. full path should be /var/iot/channels/END_NODE_DEV_ADDR
--**4.** Use the /etc/lora/decoder/Dragino_LHT65 as template to decode your payload. This script is written in Lua language. User can manually call this script when you see the data file in /var/iot/channels by running:
++4/ Use the /etc/lora/decoder/Dragino_LHT65 as template to decode your payload. This script is written in Lua language. User can manually call this script when you see the data file in /var/iot/channels by running:
  {{{/etc/lora/decoder/Dragino_LHT65 END_NODE_DEV_ADDR
  }}}
--**5.** What you see as output is the MQTT data device will upload, user's end node has different payload compare with LHT65, most properly this file will report with error. User need to modify to match the actual payload.
++5/ What you see as output is the MQTT data device will upload, user's end node has different payload compare with LHT65, most properly this file will report with error. User need to modify to match the actual payload. Some notice:
--
--(% style="color:red" %)
--**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.
@@ -190,25 +190,19 @@
  (% 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
@@ -215,37 +215,28 @@
  ** 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
--Downstream(% style="color:#037691" %)** Frequency:**
++(% style="color:#037691" %)**Downstream 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
@@ -256,19 +256,25 @@
  (((
  we can use echo command to create files in LG308 for downstream.
  root@dragino-1d25dc:~~# echo 2602111D,time,hex,12345678 > /var/iot/push/test
++)))
--
++(% class="box" %)
++(((
  **1)** From logread -f of gateway, we can see it has been added as pedning.
  lora_pkt_fwd[4286]: INFO~~ [DNLK]Looking file : test
  lora_pkt_fwd[4286]: INFO~~ [DNLK]devaddr:2602111D, txmode:time, pdfm:hex, size:4, payload1:4Vx,payload_hex:77C1BB90
  lora_pkt_fwd[4286]: INFO~~ [DNLK] DNLINK PENDING!(1 elems).
++)))
--
++(% class="box" %)
++(((
  **2)** When there is an upstrea from end node, this downstream will be sent and shows:
  lora_pkt_fwd[4286]: INFO: tx_start_delay=1497 (1497.000000) - (1497, bw_delay=0.000000, notch_delay=0.000000)
  lora_pkt_fwd[4286]: [LGWSEND]lgw_send done: count_us=3537314420, freq=923300000, size=17
++)))
--
++(% class="box" %)
++(((
  **3)** and the end node will got:
  [5764825]~*~*~*~** UpLinkCounter= 98 ~*~*~*~**
  [5764827]TX on freq 905300000 Hz at DR 0
@@ -281,8 +281,10 @@
  Rssi= -41
  Receive data
  (% style="color:#037691" %)**2:12345678**  (%%)  ~-~-> Hex
++)))
--
++(% class="box" %)
++(((
  **4) **If we use the command "echo 2602111D,time,txt,12345678 > /var/iot/push/test" for downstream, the end node will got:
  [5955877]~*~*~*~** UpLinkCounter= 102 ~*~*~*~**
  [5955879]TX on freq 904100000 Hz at DR 0
@@ -341,42 +341,33 @@
  #  whether the Device 2 has been changed.//
  )))
++**~1. Input keys**
--(% style="color:blue" %)**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-20220527162552-5.png]]
--
--[[image:image-20220722115213-2.png]]
--
  Run the script
++**5. Output:**
--(% style="color:blue" %)**5. Output:**
++[[image:image-20220527162619-6.png]]
--
--[[image:image-20220722115133-1.png]]
--
  Output from LPS8
@@ -390,9 +390,9 @@
  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**
@@ -405,9 +405,8 @@
--(% style="color:blue" %)**run socket tool in PC**
++**run socket tool in PC**
--
  [[image:image-20220527163028-9.png]]
@@ -415,9 +415,8 @@
--(% style="color:blue" %)**Input Server address and port**
++**Input Server address and port**
--
  [[image:image-20220527163106-10.png]]
  Input Server address and port
@@ -424,11 +424,10 @@
--(% 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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Changes for page Communicate with ABP End Node without LoRaWAN Network Server --- LG308

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