Last modified by Xiaoling on 2023/04/20 18:14
<
From version < 1.13 >
edited by Xiaoling
on 2022/05/27 16:10
To version < 14.5 >
edited by Xiaoling
on 2022/06/01 11:12
>
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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]]).
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>>MQTT Forward Instruction]]).
12 12  
13 13  (((
14 14  The basic of this feature is the decoding of (% style="color:red" %)**LoRaWAN ABP End Node**(%%). Requirements:
... ... @@ -18,11 +18,14 @@
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 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 20  
21 +
22 +
21 21  = 2. How it works =
22 22  
23 23  
24 24  (% style="color:#037691" %)**Video Instruction**(%%): **[[https:~~/~~/youtu.be/ZBjXwmp7rwM>>url:https://youtu.be/ZBjXwmp7rwM]]**
25 25  
28 +
26 26  Assume we have the LoRaWAN tracker LGT92 which works in ABP mode and US915 band. It has below keys:
27 27  
28 28  (% class="box infomessage" %)
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38 38  
39 39  We need to input above keys in LG308 and enable ABP decryption.
40 40  
41 -[[image:https://wiki.dragino.com/images/thumb/5/55/LG308_MQTT_1.png/600px-LG308_MQTT_1.png||height="329" width="600"]]
44 +[[image:image-20220527161119-1.png]]
42 42  
43 43  Input the ABP keys in LG308
44 44  
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51 51  We can see the log of LG308 to know this packet arrive
52 52  )))
53 53  
54 -[[image:https://wiki.dragino.com/images/thumb/1/16/ABP_DECODE_2.png/600px-ABP_DECODE_2.png||height="205" width="600"]]
57 +[[image:image-20220527161149-2.png]]
55 55  
56 56  LG308 log by "logread -f" command
57 57  
... ... @@ -61,8 +61,8 @@
61 61  (% class="box" %)
62 62  (((
63 63  root@dragino-1d25dc:~~# hexdump /var/iot/channels/2602111D
64 -0000000 (% class="mark" %)**4646 4646 4646 3946 3030 3030 3030 3546**(%%)      ~-~-> Got RSSI and SNR    
65 -0000010 (% class="mark" %)**cc0c 0b63 0266 017f ff7f ff00 **(%%) ~-~-> Payload
67 +0000000 (% style="color:#037691" %)**4646 4646 4646 3946 3030 3030 3030 3546**(%%)      ~-~-> Got RSSI and SNR    
68 +0000010 (% style="color:#037691" %)**cc0c 0b63 0266 017f ff7f ff00 **(%%) ~-~-> Payload
66 66  000001c
67 67  )))
68 68  
... ... @@ -72,8 +72,8 @@
72 72  
73 73  (% class="box" %)
74 74  (((
75 -(% 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:
76 -in LGT92, use **AT+SEND=12**:hello world to send ASCII string
78 +(% 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:
79 +in LGT92, use (% style="color:#037691" %)**AT+SEND=12:hello world** (%%)to send ASCII string
77 77  root@dragino-1d25dc:~~# hexdump /var/iot/channels/2602111D
78 78  0000000 4646 4646 4646 3946 3030 3030 3030 3546
79 79  0000010 6865 6c6c 6f20 776f 726c 6400      ~-~-> Got ASCII code "hello world"    
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82 82  
83 83  (% class="box" %)
84 84  (((
85 -(% 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.
88 +(% 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.
86 86  )))
87 87  
91 +
88 88  === 2.2.1 Decode Method ===
89 89  
90 -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.
94 +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.
91 91  
92 92  For example we have a LHT65 , works in ABP mode and gateway successful get the data, which are:
93 93  
... ... @@ -105,7 +105,7 @@
105 105  (((
106 106  Sun Sep 27 04:33:16 2020 user.notice root: [IoT.MQTT]:pub_topic[-t]: dragino-1baf44/01826108/data
107 107  Sun Sep 27 04:33:16 2020 user.notice root: [IoT.MQTT]:decoder: ASCII
108 -Sun Sep 27 04:33:16 2020 user.notice root: [IoT.MQTT]:mqtt_data[-m]: ffffffe700000048ccd17fff7fff017fff7fff00
112 +Sun Sep 27 04:33:16 2020 user.notice root: [IoT.MQTT]:mqtt_data[-m]: (% style="color:#037691" %)**ffffffe700000048ccd17fff7fff017fff7fff00**
109 109  )))
110 110  
111 111  If we choose Decode_LHT65, the MQTT process will send out with mqtt-data
... ... @@ -114,8 +114,8 @@
114 114  (((
115 115  Sun Sep 27 04:36:45 2020 user.notice root: [IoT.MQTT]:pub_topic[-t]: dragino-1baf44/01826108/data
116 116  Sun Sep 27 04:36:45 2020 user.notice root: [IoT.MQTT]:decoder: Dragino_LHT65
117 -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,
118 -"EXT":"Temperature Sensor","RSSI":-24,"TempC_SHT":85.0,"SNR":8.2,"ext_sensor":0}
121 +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,
122 +"EXT":"Temperature Sensor","RSSI":-24,"TempC_SHT":85.0,"SNR":8.2,"ext_sensor":0}(%%)**
119 119  )))
120 120  
121 121  Above scripts are store in /etc/lora/decoder/. User can put their scripts here and select it in the UI.
... ... @@ -143,6 +143,7 @@
143 143  * the last line return is what will be used for MQTT
144 144  * User can use other language ,not limited to Lua, just make sure the return is what you want to send.
145 145  
150 +
146 146  == 2.2 Downstream ==
147 147  
148 148  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
... ... @@ -149,11 +149,11 @@
149 149  
150 150  The file should use below format:
151 151  
152 -(% class="mark" %)**dev_addr,imme/time,txt/hex,payload**
157 +(% style="color:#037691" %)**dev_addr,imme/time,txt/hex,payload**
153 153  
154 154  Since fimware > Dragino-v2 lgw-5.4.1608518541 . Support more option
155 155  
156 -(% class="mark" %)**dev_addr,imme/time,txt/hex,payload,txpw,txbw,SF,frequency,rxwindow**
161 +(% style="color:#037691" %)**dev_addr,imme/time,txt/hex,payload,txpw,txbw,SF,frequency,rxwindow**
157 157  
158 158  * dev_addr: Inptu the device address
159 159  * imme/time:
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178 178  * Old version: echo 018193F4,imme,hex,0101 > /var/iot/push/test
179 179  * New version: echo 018193F4,imme,hex,0101,20,1,SF12,923300000,2 > /var/iot/push/test
180 180  
181 -(% class="mark" %)**Downstream Frequency**
186 +(% style="color:#037691" %)**Downstream Frequency**
182 182  
183 183  The LG308 will use the RX2 window info to send the downstream payload, use the default LoRaWAN settings, as below:
184 184  
... ... @@ -191,7 +191,7 @@
191 191  * IN865: 866.55Mhz, SF10 BW125
192 192  * RU864: 869.1Mhz, SF12 BW125
193 193  
194 -(% class="mark" %)**Examples:**
199 +(% style="color:#037691" %)**Examples:**
195 195  
196 196  (% class="box" %)
197 197  (((
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227 227  [5767501]rxDone
228 228  Rssi= -41
229 229  Receive data
230 -2:12345678    ~-~-> Hex
235 +(% style="color:#037691" %)**2:12345678**  (%%) ~-~-> Hex
231 231  )))
232 232  
233 233  (% class="box" %)
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243 243  [5958595]rxDone
244 244  Rssi= -37
245 245  Receive data
246 -2:3132333435363738 ~-~-> ASCII string "12345678"
251 +(% style="color:#037691" %)**2:3132333435363738**(%%) ~-~-> ASCII string "12345678"
247 247  )))
248 248  
254 +
249 249  = 3. Example 1: Communicate with LT-22222-L =
250 250  
251 251  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]]
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290 290  
291 291  ~1. Input keys
292 292  
293 -[[image:https://wiki.dragino.com/images/thumb/b/bf/LPS8_LT-22222_1.png/600px-LPS8_LT-22222_1.png||height="335" width="600"]]
299 +[[image:image-20220527162450-3.png]]
294 294  
295 295  Input Keys in LPS8
296 296  
303 +
297 297  2. Make sure the LPS8 and LT use the same frequency bands, choose EU868 in this test.
298 298  
299 299  3. Choose Built-in server
300 300  
301 -[[image:https://wiki.dragino.com/images/thumb/d/d7/LPS8_LT-22222_2.png/600px-LPS8_LT-22222_2.png||height="264" width="600"]]
308 +[[image:image-20220527162518-4.png]]
302 302  
303 303  Choose Built-in server
304 304  
312 +
305 305  4. Run the script.
306 306  
307 -[[image:https://wiki.dragino.com/images/thumb/3/39/LPS8_LT-22222_3.png/600px-LPS8_LT-22222_3.png||height="389" width="600"]]
315 +[[image:image-20220527162552-5.png]]
308 308  
309 309  Run the script
310 310  
319 +
311 311  5. Output:
312 312  
313 -[[image:https://wiki.dragino.com/images/thumb/f/fe/LPS8_LT-22222_4.png/600px-LPS8_LT-22222_4.png||height="433" width="600"]]
322 +[[image:image-20220527162619-6.png]]
314 314  
315 315  Output from LPS8
316 316  
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317 317  
318 318  = 4. Example 2: Communicate to TCP Server =
319 319  
320 -[[image:https://wiki.dragino.com/images/thumb/7/75/LPS8_TCP_0.png/600px-LPS8_TCP_0.png||height="370" width="600"]]
329 +[[image:image-20220527162648-7.png]]
321 321  
322 322  Network Structure
323 323  
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325 325  Full instruction video inlcude how to write scripts to fit server needed is here:
326 326  
327 327  
328 -(% class="mark" %)**Video Instruction**: [[https:~~/~~/youtu.be/-nevW6U2TsE>>url:https://youtu.be/-nevW6U2TsE]]
337 +(% style="color:#037691" %)**Video Instruction**(%%): **[[https:~~/~~/youtu.be/-nevW6U2TsE>>url:https://youtu.be/-nevW6U2TsE]]**
329 329  
330 -(% class="mark" %)**Note: Firmware version must be higher than lgw-5.4.1607519907**
331 331  
340 +(% style="color:red" %)**Note: Firmware version must be higher than lgw-5.4.1607519907**
341 +
332 332  Assume we already set up ABP keys in the gateway:
333 333  
334 -[[image:https://wiki.dragino.com/images/thumb/b/bf/LPS8_LT-22222_1.png/600px-LPS8_LT-22222_1.png||height="335" width="600"]]
344 +[[image:image-20220527162852-8.png]]
335 335  
336 336  Input Keys in LPS8
337 337  
348 +
338 338  run socket tool in PC
339 339  
340 -[[image:https://wiki.dragino.com/images/thumb/4/4b/LPS8_TCP_2.png/600px-LPS8_TCP_2.png||height="212" width="600"]]
351 +[[image:image-20220527163028-9.png]]
341 341  
353 +
342 342  Socket tool
343 343  
344 344  
345 345  Input Server address and port
346 346  
347 -[[image:https://wiki.dragino.com/images/thumb/c/c6/LPS8_TCP_3.png/600px-LPS8_TCP_3.png||height="306" width="600"]]
359 +[[image:image-20220527163106-10.png]]
348 348  
349 349  Input Server address and port
350 350  
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351 351  
352 352  See value receive in socket tool. :
353 353  
354 -[[image:https://wiki.dragino.com/images/thumb/2/20/LPS8_TCP_4.png/600px-LPS8_TCP_4.png||height="219" width="600"]]
366 +[[image:image-20220527163144-11.png]]
355 355  
356 356  value receive in socket tool
357 357  
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