Last modified by Xiaoling on 2023/04/20 18:14
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From version < 1.7 >
edited by Xiaoling
on 2022/05/12 17:54
To version < 16.3 >
edited by Xiaoling
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... ... @@ -1,42 +1,50 @@
1 - **Contents:**
1 +**Table of Contents:**
2 2  
3 3  {{toc/}}
4 4  
5 5  
6 +
6 6  = 1. Introduction =
7 7  
9 +
8 8  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:
9 9  
10 10  * No internet connection.
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]]).
13 +* 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]]).
12 12  
13 13  (((
14 -
15 -The basic of this feature is the decoding of LoRaWAN ABP End Node. Requirements:
16 +The basic of this feature is the decoding of (% style="color:red" %)**LoRaWAN ABP End Node**(%%). Requirements:
16 16  )))
17 17  
18 18  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
19 19  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]]
20 -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/]]
21 +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/]](%%)**
21 21  
22 22  
23 23  = 2. How it works =
24 24  
25 25  
26 -Video Instruction: [[https:~~/~~/youtu.be/ZBjXwmp7rwM>>url:https://youtu.be/ZBjXwmp7rwM]]
27 +(% style="color:#037691" %)**Video Instruction**(%%): **[[https:~~/~~/youtu.be/ZBjXwmp7rwM>>url:https://youtu.be/ZBjXwmp7rwM]]**
27 27  
29 +
28 28  Assume we have the LoRaWAN tracker LGT92 which works in ABP mode and US915 band. It has below keys:
29 29  
30 -{{{AT+NWKSKEY=72 32 63 95 dd 8f e2 b2 13 66 e4 35 93 8f 55 df
32 +(% class="box infomessage" %)
33 +(((
34 +**AT+NWKSKEY=72 32 63 95 dd 8f e2 b2 13 66 e4 35 93 8f 55 df
31 31  AT+APPSKEY=b3 17 f8 14 7a 43 27 8a 6a 31 c4 47 3d 55 5d 33
32 -AT+DADDR=2602111D
33 -}}}
36 +AT+DADDR=2602111D**
37 +)))
34 34  
39 +(((
35 35  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.
36 36  
42 +
43 +)))
44 +
37 37  We need to input above keys in LG308 and enable ABP decryption.
38 38  
39 -[[image:https://wiki.dragino.com/images/thumb/5/55/LG308_MQTT_1.png/600px-LG308_MQTT_1.png||height="329" width="600"]]
47 +[[image:image-20220527161119-1.png]]
40 40  
41 41  Input the ABP keys in LG308
42 42  
... ... @@ -43,84 +43,108 @@
43 43  
44 44  == 2.1 Upstream ==
45 45  
54 +
46 46  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.
47 47  
57 +(((
48 48  We can see the log of LG308 to know this packet arrive
59 +)))
49 49  
50 -[[image:https://wiki.dragino.com/images/thumb/1/16/ABP_DECODE_2.png/600px-ABP_DECODE_2.png||height="205" width="600"]]
61 +[[image:image-20220527161149-2.png]]
51 51  
52 -LG308 log by "logread -f" command
63 +LG308 log by "(% style="color:red" %)**logread -f**" (%%)command
53 53  
54 54  
55 55  The data of End Node is stored in the file /var/iot/channels/2602111D. We can use hexdump command to check it.
56 56  
57 -{{{root@dragino-1d25dc:~# hexdump /var/iot/channels/2602111D
58 -0000000 4646 4646 4646 3946 3030 3030 3030 3546 --> Got RSSI and SNR
59 -0000010 cc0c 0b63 0266 017f ff7f ff00 --> Payload
68 +(% class="box" %)
69 +(((
70 +root@dragino-1d25dc:~~# hexdump /var/iot/channels/2602111D
71 +0000000 (% style="color:#037691" %)**4646 4646 4646 3946 3030 3030 3030 3546**(%%)      ~-~-> Got RSSI and SNR    
72 +0000010 (% style="color:#037691" %)**cc0c 0b63 0266 017f ff7f ff00 **(%%) ~-~-> Payload
60 60  000001c
61 -}}}
74 +)))
62 62  
63 -* RSSI: 4646 4646 4646 3946 = 0xFFFF FF9F : So RSSI = (0xFFFF FF9F - 0x100000000) = -97
64 -* SNR: 3030 3030 3030 3546 = 0x0000 005F = 95, need to divide 10 so SNR is 9.5
65 -* Payload: 0xcc0c 0b63 0266 017f ff7f ff00
76 +* **RSSI**: 4646 4646 4646 3946 = 0xFFFF FF9F : So RSSI = (0xFFFF FF9F - 0x100000000) = -97
77 +* **SNR**: 3030 3030 3030 3546 = 0x0000 005F = 95, need to divide 10 so SNR is 9.5
78 +* **Payload**: 0xcc0c 0b63 0266 017f ff7f ff00
66 66  
67 -
68 -{{{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:
69 -in LGT92, use AT+SEND=12:hello world to send ASCII string
70 -root@dragino-1d25dc:~# hexdump /var/iot/channels/2602111D
80 +(% class="box" %)
81 +(((
82 +(% 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:
83 +in LGT92, use (% style="color:#037691" %)**AT+SEND=12:hello world** (%%)to send ASCII string
84 +root@dragino-1d25dc:~~# hexdump /var/iot/channels/2602111D
71 71  0000000 4646 4646 4646 3946 3030 3030 3030 3546
72 -0000010 6865 6c6c 6f20 776f 726c 6400 --> Got ASCII code "hello world"
86 +0000010 6865 6c6c 6f20 776f 726c 6400      ~-~-> Got ASCII code "hello world"    
73 73  000001c
74 -}}}
88 +)))
75 75  
76 -{{{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.
77 -}}}
90 +(% class="box" %)
91 +(((
92 +(% 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.
93 +)))
78 78  
95 +
79 79  === 2.2.1 Decode Method ===
80 80  
81 -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.
82 82  
99 +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.
100 +
83 83  For example we have a LHT65 , works in ABP mode and gateway successful get the data, which are:
84 84  
85 -{{{root@dragino-1baf44:~# hexdump /var/iot/channels/01826108
103 +(% class="box" %)
104 +(((
105 +root@dragino-1baf44:~~# hexdump /var/iot/channels/01826108
86 86  0000000 4646 4646 4646 4537 3030 3030 3030 3438
87 -0000010 ccd1 7fff 7fff 017f ff7f ff00
107 +0000010 ccd1 7fff 7fff 017f ff7f ff00         
88 88  000001c
89 -}}}
109 +)))
90 90  
111 +
91 91  If we choose ASCII decoder, the MQTT process will send out with mqtt-data:
92 92  
93 -{{{Sun Sep 27 04:33:16 2020 user.notice root: [IoT.MQTT]:pub_topic[-t]: dragino-1baf44/01826108/data
114 +(% class="box" %)
115 +(((
116 +Sun Sep 27 04:33:16 2020 user.notice root: [IoT.MQTT]:pub_topic[-t]: dragino-1baf44/01826108/data
94 94  Sun Sep 27 04:33:16 2020 user.notice root: [IoT.MQTT]:decoder: ASCII
95 -Sun Sep 27 04:33:16 2020 user.notice root: [IoT.MQTT]:mqtt_data[-m]: ffffffe700000048ccd17fff7fff017fff7fff00
96 -}}}
118 +Sun Sep 27 04:33:16 2020 user.notice root: [IoT.MQTT]:mqtt_data[-m]: (% style="color:#037691" %)**ffffffe700000048ccd17fff7fff017fff7fff00**
119 +)))
97 97  
121 +
98 98  If we choose Decode_LHT65, the MQTT process will send out with mqtt-data
99 99  
100 -{{{Sun Sep 27 04:36:45 2020 user.notice root: [IoT.MQTT]:pub_topic[-t]: dragino-1baf44/01826108/data
124 +(% class="box" %)
125 +(((
126 +Sun Sep 27 04:36:45 2020 user.notice root: [IoT.MQTT]:pub_topic[-t]: dragino-1baf44/01826108/data
101 101  Sun Sep 27 04:36:45 2020 user.notice root: [IoT.MQTT]:decoder: Dragino_LHT65
102 -Sun Sep 27 04:36:45 2020 user.notice root: [IoT.MQTT]:mqtt_data[-m]: {"Hum_SHT":32.7,"BatV":3.281,"TempC_DS":32.9,
103 -"EXT":"Temperature Sensor","RSSI":-24,"TempC_SHT":85.0,"SNR":8.2,"ext_sensor":0}
104 -}}}
128 +Sun Sep 27 04:36:45 2020 user.notice root: [IoT.MQTT]:mqtt_data[-m]:** (% style="color:#037691" %){"Hum_SHT":32.7,"BatV":3.281,"TempC_DS":32.9,
129 +"EXT":"Temperature Sensor","RSSI":-24,"TempC_SHT":85.0,"SNR":8.2,"ext_sensor":0}(%%)**
130 +)))
105 105  
106 106  Above scripts are store in /etc/lora/decoder/. User can put their scripts here and select it in the UI.
107 107  
108 108  
135 +
109 109  === 2.2.2 How to Decode My End Node ===
110 110  
111 -1/ Configure the ABP keys for your end node in the gateway. enable ABP decode in Web UI
112 112  
113 -2/ Don't choose MQTT service, use LoRaWAN.
139 +**1.** Configure the ABP keys for your end node in the gateway. enable ABP decode in Web UI
114 114  
115 -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
141 +**2. **Don't choose MQTT service, use LoRaWAN.
116 116  
117 -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:
143 +**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
118 118  
145 +**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:
146 +
119 119  {{{/etc/lora/decoder/Dragino_LHT65 END_NODE_DEV_ADDR
120 120  }}}
121 121  
122 -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:
150 +**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.
123 123  
152 +
153 +(% style="color:red" %)
154 +**Some notice:**
155 +
124 124  * RSSI and SNR are added when gateway receive the packet, so there is always this field.
125 125  * If you rename the file, please make it executable.
126 126  * See this link for lua.bit module: [[http:~~/~~/luaforge.net/projects/bit/>>url:http://luaforge.net/projects/bit/]]
... ... @@ -128,46 +128,52 @@
128 128  * the last line return is what will be used for MQTT
129 129  * User can use other language ,not limited to Lua, just make sure the return is what you want to send.
130 130  
163 +
164 +
131 131  == 2.2 Downstream ==
132 132  
167 +
133 133  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
134 134  
135 135  The file should use below format:
136 136  
172 +(% style="color:#037691" %)**dev_addr,imme/time,txt/hex,payload**
137 137  
138 -dev_addr,imme/time,txt/hex,payload
139 -
140 140  Since fimware > Dragino-v2 lgw-5.4.1608518541 . Support more option
141 141  
142 -dev_addr,imme/time,txt/hex,payload,txpw,txbw,SF,frequency,rxwindow
176 +(% style="color:#037691" %)**dev_addr,imme/time,txt/hex,payload,txpw,txbw,SF,frequency,rxwindow**
143 143  
144 -* dev_addr: Inptu the device address
145 -* imme/time:
178 +* **dev_addr:** Inptu the device address
179 +* **imme/time:**
146 146  ** imme: send downstream immediately,For Class C end node.
147 147  ** time: send downstream after receive device's uplink. For Class A end node
148 -* txt/hex:
182 +* **txt/hex:**
149 149  ** txt: send payload in ASCII
150 150  ** hex: send payload in HEX
151 -* payload: payload to be sent, payload lenght should match the LoRaWAN protocol requirement.
152 -* txpw: Transmit Power. example: 20
153 -* txbw: bandwidth:
185 +* **payload: **payload to be sent, payload lenght should match the LoRaWAN protocol requirement.
186 +* **txpw:** Transmit Power. example: 20
187 +* **txbw:** bandwidth:
154 154  ** 1: 500 kHz
155 155  ** 2: 250 kHz
156 156  ** 3: 125 kHz
157 157  ** 4: 62.5 kHz
158 -* SF: Spreading Factor : SF7/SF8/SF9/SF10/SF11/SF12
159 -* Frequency: Transmit Frequency: example: 923300000
160 -* rxwindow: transmit on Rx1Window or Rx2Window.
192 +* **SF:** Spreading Factor : SF7/SF8/SF9/SF10/SF11/SF12
193 +* **Frequency:** Transmit Frequency: example: 923300000
194 +* **rxwindow:** transmit on Rx1Window or Rx2Window.
161 161  
162 162  
163 -Completely exmaple:
164 164  
165 -* Old version: echo 018193F4,imme,hex,0101 > /var/iot/push/test
166 -* New version: echo 018193F4,imme,hex,0101,20,1,SF12,923300000,2 > /var/iot/push/test
167 167  
199 +(% style="color:blue" %)**Completely exmaple:**
168 168  
169 -Downstream Frequency
201 +* **Old version:** echo 018193F4,imme,hex,0101 > /var/iot/push/test
202 +* **New version:** echo 018193F4,imme,hex,0101,20,1,SF12,923300000,2 > /var/iot/push/test
170 170  
204 +
205 +
206 +
207 +(% style="color:#037691" %)**Downstream Frequency**
208 +
171 171  The LG308 will use the RX2 window info to send the downstream payload, use the default LoRaWAN settings, as below:
172 172  
173 173  * EU868: 869.525Mhz, DR0(SF12BW125)
... ... @@ -180,22 +180,35 @@
180 180  * RU864: 869.1Mhz, SF12 BW125
181 181  
182 182  
183 -Examples:
184 184  
185 -{{{we can use echo command to create files in LG308 for downstream.
186 -root@dragino-1d25dc:~# echo 2602111D,time,hex,12345678 > /var/iot/push/test
187 187  
188 -1) From logread -f of gateway, we can see it has been added as pedning.
189 -lora_pkt_fwd[4286]: INFO~ [DNLK]Looking file : test
190 -lora_pkt_fwd[4286]: INFO~ [DNLK]devaddr:2602111D, txmode:time, pdfm:hex, size:4, payload1:4Vx,payload_hex:77C1BB90
191 -lora_pkt_fwd[4286]: INFO~ [DNLK] DNLINK PENDING!(1 elems).
223 +(% style="color:#037691" %)**Examples:**
192 192  
193 -2) When there is an upstrea from end node, this downstream will be sent and shows:
225 +(% class="box" %)
226 +(((
227 +we can use echo command to create files in LG308 for downstream.
228 +root@dragino-1d25dc:~~# echo 2602111D,time,hex,12345678 > /var/iot/push/test
229 +)))
230 +
231 +(% class="box" %)
232 +(((
233 +**1)** From logread -f of gateway, we can see it has been added as pedning.
234 +lora_pkt_fwd[4286]: INFO~~ [DNLK]Looking file : test
235 +lora_pkt_fwd[4286]: INFO~~ [DNLK]devaddr:2602111D, txmode:time, pdfm:hex, size:4, payload1:4Vx,payload_hex:77C1BB90
236 +lora_pkt_fwd[4286]: INFO~~ [DNLK] DNLINK PENDING!(1 elems).
237 +)))
238 +
239 +(% class="box" %)
240 +(((
241 +**2)** When there is an upstrea from end node, this downstream will be sent and shows:
194 194  lora_pkt_fwd[4286]: INFO: tx_start_delay=1497 (1497.000000) - (1497, bw_delay=0.000000, notch_delay=0.000000)
195 195  lora_pkt_fwd[4286]: [LGWSEND]lgw_send done: count_us=3537314420, freq=923300000, size=17
244 +)))
196 196  
197 -3) and the end node will got:
198 -[5764825]***** UpLinkCounter= 98 *****
246 +(% class="box" %)
247 +(((
248 +**3)** and the end node will got:
249 +[5764825]~*~*~*~** UpLinkCounter= 98 ~*~*~*~**
199 199  [5764827]TX on freq 905300000 Hz at DR 0
200 200  Update Interval: 60000 ms
201 201  [5765202]txDone
... ... @@ -205,11 +205,13 @@
205 205  [5767501]rxDone
206 206  Rssi= -41
207 207  Receive data
208 -2:12345678 --> Hex
209 -}}}
259 +(% style="color:#037691" %)**2:12345678**  (%%) ~-~-> Hex
260 +)))
210 210  
211 -{{{4) If we use the command "echo 2602111D,time,txt,12345678 > /var/iot/push/test" for downstream, the end node will got:
212 -[5955877]***** UpLinkCounter= 102 *****
262 +(% class="box" %)
263 +(((
264 +**4) **If we use the command "echo 2602111D,time,txt,12345678 > /var/iot/push/test" for downstream, the end node will got:
265 +[5955877]~*~*~*~** UpLinkCounter= 102 ~*~*~*~**
213 213  [5955879]TX on freq 904100000 Hz at DR 0
214 214  Update Interval: 60000 ms
215 215  [5956254]txDone
... ... @@ -219,79 +219,88 @@
219 219  [5958595]rxDone
220 220  Rssi= -37
221 221  Receive data
222 -2:3132333435363738 --> ASCII string "12345678"
223 -}}}
275 +(% style="color:#037691" %)**2:3132333435363738**(%%) ~-~-> ASCII string "12345678"
276 +)))
224 224  
278 +
225 225  = 3. Example 1: Communicate with LT-22222-L =
226 226  
281 +
227 227  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]]
228 228  
229 -{{{#!/bin/sh
284 +(% class="box" %)
285 +(((
286 +//#!/bin/sh
230 230  # This scripts shows how to use LPS8/LG308/DLOS8 to communicate with two LoRaWAN End Nodes, without the use of internet or LoRaWAN server
231 231  #
232 -# Hardware Prepare:
233 -# 1. LT-22222-L x 2, both are configured to work in
234 -# a) Class C ;
235 -# b) ABP Mode ;
289 +# Hardware Prepare:
290 +# 1. LT-22222-L x 2, both are configured to work in
291 +#   a) Class C ;
292 +# b) ABP Mode ;
236 236  # c) AT+Mod=1
237 -# 2. LPS8,
238 -# a) Firmware version >
239 -# b) Input the LT-22222-L keys in LPS so LPS8 can talk with them.
240 -# c) Lorawan server choose built-in
241 -# d) in Custom page, select custom script to point to this script. (put this script in /etc/iot/scripts directory)
242 -#
243 -# How it works?
244 -# a) Devices 1 sends a uplink payload to LPS8. LPS8 will get the DI1 and DI2 info from the payload
245 -# b) LPS8 will send a message to Device 2 to set the Device2 DO1 = Device1 DI1, and Device DO2 = Device DI2.
246 -# c) Device2 will change DO1 and DO2 to according to the message from LPS8, and send back a message to LPS8 with the its DO1
247 -# and DO2 value. LPS8 will ask Device1 to change its DO1 to same as Device 2, and change the DO2 to the same as Device 2.
248 -# ( The purpose of this step is to show that the Device2 has already do the change there).
249 -#
250 -# For example: If current status of Device1 and Device2 leds shows:
251 -# Device1: DI1: ON, DI2: ON , DO1: OFF, DO2: OFF
252 -# Device2: DI1: OFF, DI2: OFF , DO1: OFF, DO2: OFF
294 +# 2. LPS8,
295 +#   a) Firmware version >
296 +#   b) Input the LT-22222-L keys in LPS so LPS8 can talk with them.
297 +#   c) Lorawan server choose built-in
298 +#   d) in Custom page, select custom script to point to this script. (put this script in /etc/iot/scripts directory)
253 253  #
254 -# Step2 will cause below change:
255 -# Device1: DI1: ON, DI2: ON , DO1: OFF, DO2: OFF
256 -# Device2: DI1: OFF, DI2: OFF , DO1: ON, DO2: ON
257 -#
258 -# Step3 will cause below change:
259 -# Device1: DI1: ON, DI2: ON , DO1: ON, DO2: ON
260 -# Device2: DI1: OFF, DI2: OFF , DO1: ON, DO2: ON
261 -# 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
262 -# whether the Device 2 has been changed.}}}
300 +# How it works?
301 +#   a) Devices 1 sends a uplink payload to LPS8. LPS8 will get the DI1 and DI2 info from the payload
302 +#   b) LPS8 will send a message to Device 2 to set the Device2 DO1 = Device1 DI1, and Device DO2 = Device DI2.
303 +#   c) Device2 will change DO1 and DO2 to according to the message from LPS8, and send back a message to LPS8 with the its DO1
304 +#   and DO2 value. LPS8 will ask Device1 to change its DO1 to same as Device 2, and change the DO2 to the same as Device 2.
305 +#   ( The purpose of this step is to show that the Device2 has already do the change there).
306 +#
307 +#  For example: If current status of Device1 and Device2 leds shows:
308 +#  Device1: DI1: ON, DI2: ON , DO1: OFF,  DO2: OFF
309 +#  Device2: DI1: OFF, DI2: OFF , DO1: OFF,  DO2: OFF
310 +#
311 +#  Step2  will cause below change:
312 +#  Device1: DI1: ON, DI2: ON , DO1: OFF,  DO2: OFF
313 +#  Device2: DI1: OFF, DI2: OFF , DO1: ON,  DO2: ON
314 +# 
315 +#  Step3 will cause below change:
316 +#  Device1: DI1: ON, DI2: ON , DO1: ON,  DO2: ON
317 +#  Device2: DI1: OFF, DI2: OFF , DO1: ON,  DO2: ON
318 +#  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
319 +#  whether the Device 2 has been changed.//
320 +)))
263 263  
264 -~1. Input keys
322 +**~1. Input keys**
265 265  
266 -[[image:https://wiki.dragino.com/images/thumb/b/bf/LPS8_LT-22222_1.png/600px-LPS8_LT-22222_1.png||height="335" width="600"]]
324 +[[image:image-20220527162450-3.png]]
267 267  
268 268  Input Keys in LPS8
269 269  
270 -2. Make sure the LPS8 and LT use the same frequency bands, choose EU868 in this test.
271 271  
272 -3. Choose Built-in server
329 +**2. Make sure the LPS8 and LT use the same frequency bands, choose EU868 in this test.**
273 273  
274 -[[image:https://wiki.dragino.com/images/thumb/d/d7/LPS8_LT-22222_2.png/600px-LPS8_LT-22222_2.png||height="264" width="600"]]
331 +**3. Choose Built-in server**
275 275  
333 +[[image:image-20220527162518-4.png]]
334 +
276 276  Choose Built-in server
277 277  
278 -4. Run the script.
279 279  
280 -[[image:https://wiki.dragino.com/images/thumb/3/39/LPS8_LT-22222_3.png/600px-LPS8_LT-22222_3.png||height="389" width="600"]]
338 +**4. Run the script.**
281 281  
340 +[[image:image-20220527162552-5.png]]
341 +
282 282  Run the script
283 283  
284 -5. Output:
285 285  
286 -[[image:https://wiki.dragino.com/images/thumb/f/fe/LPS8_LT-22222_4.png/600px-LPS8_LT-22222_4.png||height="433" width="600"]]
345 +**5. Output:**
287 287  
347 +[[image:image-20220527162619-6.png]]
348 +
288 288  Output from LPS8
289 289  
290 290  
291 291  = 4. Example 2: Communicate to TCP Server =
292 292  
293 -[[image:https://wiki.dragino.com/images/thumb/7/75/LPS8_TCP_0.png/600px-LPS8_TCP_0.png||height="370" width="600"]]
294 294  
355 +[[image:image-20220527162648-7.png]]
356 +
295 295  Network Structure
296 296  
297 297  
... ... @@ -298,35 +298,42 @@
298 298  Full instruction video inlcude how to write scripts to fit server needed is here:
299 299  
300 300  
301 -Video Instruction: [[https:~~/~~/youtu.be/-nevW6U2TsE>>url:https://youtu.be/-nevW6U2TsE]]
363 +(% style="color:#037691" %)**Video Instruction**(%%): **[[https:~~/~~/youtu.be/-nevW6U2TsE>>url:https://youtu.be/-nevW6U2TsE]]**
302 302  
303 303  
304 -Note: Firmware version must be higher than lgw-5.4.1607519907
366 +(% style="color:red" %)**Note: Firmware version must be higher than lgw-5.4.1607519907**
305 305  
368 +
306 306  Assume we already set up ABP keys in the gateway:
307 307  
308 -[[image:https://wiki.dragino.com/images/thumb/b/bf/LPS8_LT-22222_1.png/600px-LPS8_LT-22222_1.png||height="335" width="600"]]
371 +[[image:image-20220527162852-8.png]]
309 309  
310 310  Input Keys in LPS8
311 311  
312 -run socket tool in PC
313 313  
314 -[[image:https://wiki.dragino.com/images/thumb/4/4b/LPS8_TCP_2.png/600px-LPS8_TCP_2.png||height="212" width="600"]]
315 315  
377 +**run socket tool in PC**
378 +
379 +[[image:image-20220527163028-9.png]]
380 +
381 +
316 316  Socket tool
317 317  
318 318  
319 -Input Server address and port
320 320  
321 -[[image:https://wiki.dragino.com/images/thumb/c/c6/LPS8_TCP_3.png/600px-LPS8_TCP_3.png||height="306" width="600"]]
386 +**Input Server address and port**
322 322  
388 +[[image:image-20220527163106-10.png]]
389 +
323 323  Input Server address and port
324 324  
325 325  
326 -See value receive in socket tool. :
327 327  
328 -[[image:https://wiki.dragino.com/images/thumb/2/20/LPS8_TCP_4.png/600px-LPS8_TCP_4.png||height="219" width="600"]]
394 +**See value receive in socket tool:**
329 329  
396 +[[image:image-20220527163144-11.png]]
397 +
330 330  value receive in socket tool
331 331  
400 +
332 332  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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