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

Last modified by Xiaoling on 2023/04/20 18:14

From version < 16.1 >

edited by Xiaoling
on 2022/07/22 11:33

To version < 14.6 >

edited by Xiaoling
on 2022/06/01 11:13

Change comment: There is no comment for this version

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@@ -1,12 +1,10 @@
--**Table of Contents:**
++     **Contents:**
  {{toc/}}
--
  = 1. Introduction =
--
  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.
@@ -22,7 +22,6 @@
--
  = 2. How it works =
@@ -33,15 +33,13 @@
  (% class="box infomessage" %)
  (((
--**AT+NWKSKEY=72 32 63 95 dd 8f e2 b2 13 66 e4 35 93 8f 55 df
++AT+NWKSKEY=72 32 63 95 dd 8f e2 b2 13 66 e4 35 93 8f 55 df
  AT+APPSKEY=b3 17 f8 14 7a 43 27 8a 6a 31 c4 47 3d 55 5d 33
--AT+DADDR=2602111D**
++AT+DADDR=2602111D
  )))
  (((
  and we have the LG308 works and US915 band and support ABP decryption. User can input these keys in LG308 so the LG308 can communicate with LGT92.
--
--
  )))
  We need to input above keys in LG308 and enable ABP decryption.
@@ -53,7 +53,6 @@
  == 2.1 Upstream ==
--
  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.
  (((
@@ -62,7 +62,7 @@
  [[image:image-20220527161149-2.png]]
--LG308 log by "(% style="color:red" %)**logread -f**" (%%)command
++LG308 log by "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.
@@ -75,9 +75,9 @@
 c
  )))
--* **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
++* 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" %)
  (((
@@ -91,13 +91,12 @@
  (% 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.
++(% 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.
  )))
  === 2.2.1 Decode Method ===
--
  The decode methods: (% style="color:#037691" %)**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.
  For example we have a LHT65 , works in ABP mode and gateway successful get the data, which are:
@@ -110,7 +110,6 @@
 c
  )))
--
  If we choose ASCII decoder, the MQTT process will send out with mqtt-data:
  (% class="box" %)
@@ -120,7 +120,6 @@
  Sun Sep 27 04:33:16 2020 user.notice root: [IoT.MQTT]:mqtt_data[-m]: (% style="color:#037691" %)**ffffffe700000048ccd17fff7fff017fff7fff00**
  )))
--
  If we choose Decode_LHT65, the MQTT process will send out with mqtt-data
  (% class="box" %)
@@ -134,10 +134,8 @@
  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 ===
--
 / Configure the ABP keys for your end node in the gateway. enable ABP decode in Web UI
 / Don't choose MQTT service, use LoRaWAN.
@@ -159,10 +159,8 @@
  * User can use other language ,not limited to Lua, just make sure the return is what you want to send.
--
  == 2.2 Downstream ==
--
  In LG308, we can create a file in the directory /var/iot/push for downstream purpose. We recommend using each command to generate this file. This file will be used for transmission and auto-deleted after used
  The file should use below format:
@@ -173,32 +173,30 @@
  (% style="color:#037691" %)**dev_addr,imme/time,txt/hex,payload,txpw,txbw,SF,frequency,rxwindow**
--* **dev_addr:** Inptu the device address
--* **imme/time:**
++* 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/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:
++* 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
  ** 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.
++* SF: Spreading Factor : SF7/SF8/SF9/SF10/SF11/SF12
++* Frequency: Transmit Frequency: example: 923300000
++* rxwindow: transmit on Rx1Window or Rx2Window.
++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
--(% 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
--
--
  (% 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:
@@ -223,7 +223,7 @@
  (% class="box" %)
  (((
--**1)** From logread -f of gateway, we can see it has been added as pedning.
++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).
@@ -231,7 +231,7 @@
  (% class="box" %)
  (((
--**2)** When there is an upstrea from end node, this downstream will be sent and shows:
++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
  )))
@@ -238,7 +238,7 @@
  (% class="box" %)
  (((
--**3)** and the end node will got:
++3) and the end node will got:
  [5764825]~*~*~*~** UpLinkCounter= 98 ~*~*~*~**
  [5764827]TX on freq 905300000 Hz at DR 0
  Update Interval: 60000 ms
@@ -254,7 +254,7 @@
  (% class="box" %)
  (((
--**4) **If we use the command "echo 2602111D,time,txt,12345678 > /var/iot/push/test" for downstream, the end node will got:
++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
  Update Interval: 60000 ms
@@ -271,12 +271,11 @@
  = 3. Example 1: Communicate with LT-22222-L =
--
  Script can be download from: [[Example Script 1>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_Gateway/LPS8/Firmware/customized_script/&file=talk_to_lt-22222-l_v0.1.sh]]
  (% class="box" %)
  (((
--//#!/bin/sh
++#!/bin/sh
  # This scripts shows how to use LPS8/LG308/DLOS8 to communicate with two LoRaWAN End Nodes, without the use of internet or LoRaWAN server
  #
  # Hardware Prepare:
@@ -309,10 +309,10 @@
  #  Device1: DI1: ON, DI2: ON , DO1: ON,  DO2: ON
  #  Device2: DI1: OFF, DI2: OFF , DO1: ON,  DO2: ON
  #  So if a person is in the Device 1 location, he can check if the DO LED match DI LEDs on Device 1 to confirm
--#  whether the Device 2 has been changed.//
++#  whether the Device 2 has been changed.
  )))
--**~1. Input keys**
++~1. Input keys
  [[image:image-20220527162450-3.png]]
@@ -319,9 +319,9 @@
  Input Keys in LPS8
--**2. Make sure the LPS8 and LT use the same frequency bands, choose EU868 in this test.**
++2. Make sure the LPS8 and LT use the same frequency bands, choose EU868 in this test.
--**3. Choose Built-in server**
++3. Choose Built-in server
  [[image:image-20220527162518-4.png]]
@@ -328,7 +328,7 @@
  Choose Built-in server
--**4. Run the script.**
++4. Run the script.
  [[image:image-20220527162552-5.png]]
@@ -335,7 +335,7 @@
  Run the script
--**5. Output:**
++5. Output:
  [[image:image-20220527162619-6.png]]
@@ -344,7 +344,6 @@
  = 4. Example 2: Communicate to TCP Server =
--
  [[image:image-20220527162648-7.png]]
  Network Structure
@@ -358,7 +358,6 @@
  (% style="color:red" %)**Note: Firmware version must be higher than lgw-5.4.1607519907**
--
  Assume we already set up ABP keys in the gateway:
  [[image:image-20220527162852-8.png]]
@@ -366,9 +366,8 @@
  Input Keys in LPS8
++run socket tool in PC
--**run socket tool in PC**
--
  [[image:image-20220527163028-9.png]]
@@ -375,20 +375,17 @@
  Socket tool
++Input Server address and port
--**Input Server address and port**
--
  [[image:image-20220527163106-10.png]]
  Input Server address and port
++See value receive in socket tool. :
--**See value receive in socket tool:**
--
  [[image:image-20220527163144-11.png]]
  value receive in socket tool
--
  If user want to modify the TCP connection method. He can refer: [[https:~~/~~/github.com/dragino/dragino-packages/blob/lg02/haserl-ui/root/usr/bin/tcp_process.sh>>url:https://github.com/dragino/dragino-packages/blob/lg02/haserl-ui/root/usr/bin/tcp_process.sh]]. Same script is on /usr/bin of gateway.

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