Last modified by Xiaoling on 2023/04/20 18:14
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From version < 3.3 >
edited by Xiaoling
on 2022/05/27 16:14
To version < 1.8 >
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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 +
15 +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/]](%%)**
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/]]
20 20  
22 +
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]]**
26 +**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" %)
... ... @@ -39,7 +39,7 @@
39 39  
40 40  We need to input above keys in LG308 and enable ABP decryption.
41 41  
42 -[[image:image-20220527161119-1.png]]
43 +[[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  
... ... @@ -52,7 +52,7 @@
52 52  We can see the log of LG308 to know this packet arrive
53 53  )))
54 54  
55 -[[image:image-20220527161149-2.png]]
56 +[[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
66 +0000000 (% class="mark" %)**4646 4646 4646 3946 3030 3030 3030 3546**(%%)      ~-~-> Got RSSI and SNR    
67 +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
77 +(% 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:
78 +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"    
... ... @@ -83,7 +83,7 @@
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.
87 +(% 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 89  === 2.2.1 Decode Method ===
... ... @@ -150,11 +150,12 @@
150 150  
151 151  The file should use below format:
152 152  
153 -(% class="mark" %)**dev_addr,imme/time,txt/hex,payload**
154 154  
155 +dev_addr,imme/time,txt/hex,payload
156 +
155 155  Since fimware > Dragino-v2 lgw-5.4.1608518541 . Support more option
156 156  
157 -(% class="mark" %)**dev_addr,imme/time,txt/hex,payload,txpw,txbw,SF,frequency,rxwindow**
159 +dev_addr,imme/time,txt/hex,payload,txpw,txbw,SF,frequency,rxwindow
158 158  
159 159  * dev_addr: Inptu the device address
160 160  * imme/time:
... ... @@ -174,13 +174,15 @@
174 174  * Frequency: Transmit Frequency: example: 923300000
175 175  * rxwindow: transmit on Rx1Window or Rx2Window.
176 176  
179 +
177 177  Completely exmaple:
178 178  
179 179  * Old version: echo 018193F4,imme,hex,0101 > /var/iot/push/test
180 180  * New version: echo 018193F4,imme,hex,0101,20,1,SF12,923300000,2 > /var/iot/push/test
181 181  
182 -(% class="mark" %)**Downstream Frequency**
183 183  
186 +Downstream Frequency
187 +
184 184  The LG308 will use the RX2 window info to send the downstream payload, use the default LoRaWAN settings, as below:
185 185  
186 186  * EU868: 869.525Mhz, DR0(SF12BW125)
... ... @@ -192,33 +192,23 @@
192 192  * IN865: 866.55Mhz, SF10 BW125
193 193  * RU864: 869.1Mhz, SF12 BW125
194 194  
195 -(% class="mark" %)**Examples:**
196 196  
197 -(% class="box" %)
198 -(((
199 -we can use echo command to create files in LG308 for downstream.
200 -root@dragino-1d25dc:~~# echo 2602111D,time,hex,12345678 > /var/iot/push/test
201 -)))
200 +Examples:
202 202  
203 -(% class="box" %)
204 -(((
205 -1) From logread -f of gateway, we can see it has been added as pedning.
206 -lora_pkt_fwd[4286]: INFO~~ [DNLK]Looking file : test
207 -lora_pkt_fwd[4286]: INFO~~ [DNLK]devaddr:2602111D, txmode:time, pdfm:hex, size:4, payload1:4Vx,payload_hex:77C1BB90
208 -lora_pkt_fwd[4286]: INFO~~ [DNLK] DNLINK PENDING!(1 elems).
209 -)))
202 +{{{we can use echo command to create files in LG308 for downstream.
203 +root@dragino-1d25dc:~# echo 2602111D,time,hex,12345678 > /var/iot/push/test
210 210  
211 -(% class="box" %)
212 -(((
213 -2) When there is an upstrea from end node, this downstream will be sent and shows:
205 +1) From logread -f of gateway, we can see it has been added as pedning.
206 +lora_pkt_fwd[4286]: INFO~ [DNLK]Looking file : test
207 +lora_pkt_fwd[4286]: INFO~ [DNLK]devaddr:2602111D, txmode:time, pdfm:hex, size:4, payload1:4Vx,payload_hex:77C1BB90
208 +lora_pkt_fwd[4286]: INFO~ [DNLK] DNLINK PENDING!(1 elems).
209 +
210 +2) When there is an upstrea from end node, this downstream will be sent and shows:
214 214  lora_pkt_fwd[4286]: INFO: tx_start_delay=1497 (1497.000000) - (1497, bw_delay=0.000000, notch_delay=0.000000)
215 215  lora_pkt_fwd[4286]: [LGWSEND]lgw_send done: count_us=3537314420, freq=923300000, size=17
216 -)))
217 217  
218 -(% class="box" %)
219 -(((
220 -3) and the end node will got:
221 -[5764825]~*~*~*~** UpLinkCounter= 98 ~*~*~*~**
214 +3) and the end node will got:
215 +[5764825]***** UpLinkCounter= 98 *****
222 222  [5764827]TX on freq 905300000 Hz at DR 0
223 223  Update Interval: 60000 ms
224 224  [5765202]txDone
... ... @@ -228,13 +228,11 @@
228 228  [5767501]rxDone
229 229  Rssi= -41
230 230  Receive data
231 -2:12345678    ~-~-> Hex
232 -)))
225 +2:12345678 --> Hex
226 +}}}
233 233  
234 -(% class="box" %)
235 -(((
236 -4) If we use the command "echo 2602111D,time,txt,12345678 > /var/iot/push/test" for downstream, the end node will got:
237 -[5955877]~*~*~*~** UpLinkCounter= 102 ~*~*~*~**
228 +{{{4) If we use the command "echo 2602111D,time,txt,12345678 > /var/iot/push/test" for downstream, the end node will got:
229 +[5955877]***** UpLinkCounter= 102 *****
238 238  [5955879]TX on freq 904100000 Hz at DR 0
239 239  Update Interval: 60000 ms
240 240  [5956254]txDone
... ... @@ -244,50 +244,47 @@
244 244  [5958595]rxDone
245 245  Rssi= -37
246 246  Receive data
247 -2:3132333435363738 ~-~-> ASCII string "12345678"
248 -)))
239 +2:3132333435363738 --> ASCII string "12345678"
240 +}}}
249 249  
250 250  = 3. Example 1: Communicate with LT-22222-L =
251 251  
252 252  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]]
253 253  
254 -(% class="box" %)
255 -(((
256 -#!/bin/sh
246 +{{{#!/bin/sh
257 257  # This scripts shows how to use LPS8/LG308/DLOS8 to communicate with two LoRaWAN End Nodes, without the use of internet or LoRaWAN server
258 258  #
259 -# Hardware Prepare:
260 -# 1. LT-22222-L x 2, both are configured to work in
261 -#   a) Class C ;
262 -# b) ABP Mode ;
249 +# Hardware Prepare:
250 +# 1. LT-22222-L x 2, both are configured to work in
251 +# a) Class C ;
252 +# b) ABP Mode ;
263 263  # c) AT+Mod=1
264 -# 2. LPS8,
265 -#   a) Firmware version >
266 -#   b) Input the LT-22222-L keys in LPS so LPS8 can talk with them.
267 -#   c) Lorawan server choose built-in
268 -#   d) in Custom page, select custom script to point to this script. (put this script in /etc/iot/scripts directory)
254 +# 2. LPS8,
255 +# a) Firmware version >
256 +# b) Input the LT-22222-L keys in LPS so LPS8 can talk with them.
257 +# c) Lorawan server choose built-in
258 +# d) in Custom page, select custom script to point to this script. (put this script in /etc/iot/scripts directory)
259 +#
260 +# How it works?
261 +# a) Devices 1 sends a uplink payload to LPS8. LPS8 will get the DI1 and DI2 info from the payload
262 +# b) LPS8 will send a message to Device 2 to set the Device2 DO1 = Device1 DI1, and Device DO2 = Device DI2.
263 +# 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
264 +# 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.
265 +# ( The purpose of this step is to show that the Device2 has already do the change there).
266 +#
267 +# For example: If current status of Device1 and Device2 leds shows:
268 +# Device1: DI1: ON, DI2: ON , DO1: OFF, DO2: OFF
269 +# Device2: DI1: OFF, DI2: OFF , DO1: OFF, DO2: OFF
269 269  #
270 -# How it works?
271 -#   a) Devices 1 sends a uplink payload to LPS8. LPS8 will get the DI1 and DI2 info from the payload
272 -#   b) LPS8 will send a message to Device 2 to set the Device2 DO1 = Device1 DI1, and Device DO2 = Device DI2.
273 -#   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
274 -#   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.
275 -#   ( The purpose of this step is to show that the Device2 has already do the change there).
276 -#
277 -#  For example: If current status of Device1 and Device2 leds shows:
278 -#  Device1: DI1: ON, DI2: ON , DO1: OFF,  DO2: OFF
279 -#  Device2: DI1: OFF, DI2: OFF , DO1: OFF,  DO2: OFF
280 -#
281 -#  Step2  will cause below change:
282 -#  Device1: DI1: ON, DI2: ON , DO1: OFF,  DO2: OFF
283 -#  Device2: DI1: OFF, DI2: OFF , DO1: ON,  DO2: ON
284 -# 
285 -#  Step3 will cause below change:
286 -#  Device1: DI1: ON, DI2: ON , DO1: ON,  DO2: ON
287 -#  Device2: DI1: OFF, DI2: OFF , DO1: ON,  DO2: ON
288 -#  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
289 -#  whether the Device 2 has been changed.
290 -)))
271 +# Step2 will cause below change:
272 +# Device1: DI1: ON, DI2: ON , DO1: OFF, DO2: OFF
273 +# Device2: DI1: OFF, DI2: OFF , DO1: ON, DO2: ON
274 +#
275 +# Step3 will cause below change:
276 +# Device1: DI1: ON, DI2: ON , DO1: ON, DO2: ON
277 +# Device2: DI1: OFF, DI2: OFF , DO1: ON, DO2: ON
278 +# 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
279 +# whether the Device 2 has been changed.}}}
291 291  
292 292  ~1. Input keys
293 293  
... ... @@ -326,10 +326,11 @@
326 326  Full instruction video inlcude how to write scripts to fit server needed is here:
327 327  
328 328  
329 -(% class="mark" %)**Video Instruction**: [[https:~~/~~/youtu.be/-nevW6U2TsE>>url:https://youtu.be/-nevW6U2TsE]]
318 +Video Instruction: [[https:~~/~~/youtu.be/-nevW6U2TsE>>url:https://youtu.be/-nevW6U2TsE]]
330 330  
331 -(% class="mark" %)**Note: Firmware version must be higher than lgw-5.4.1607519907**
332 332  
321 +Note: Firmware version must be higher than lgw-5.4.1607519907
322 +
333 333  Assume we already set up ABP keys in the gateway:
334 334  
335 335  [[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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