Last modified by Xiaoling on 2023/04/20 18:14
<
From version < 21.1 >
edited by Kilight Cao
on 2022/12/01 14:01
To version < 21.3 >
edited by Xiaoling
on 2023/04/20 17:54
>
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1 -XWiki.Kilight
1 +XWiki.Xiaoling
Content
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10 10  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:
11 11  
12 12  * No internet connection.
13 +
13 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]]).
14 14  
15 15  (((
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16 16  The basic of this feature is the decoding of (% style="color:red" %)**LoRaWAN ABP End Node**(%%). Requirements:
17 17  )))
18 18  
19 -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
20 -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]]
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/]](%%)**
20 +* LoRaWAN End Node in ABP mode. Make sure your end node works in this mode. End node most are default set to OTAA mode
22 22  
22 +* 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]]
23 +
24 +* 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/]](%%)**
25 +
26 +
23 23  = 2. How it works =
24 24  
25 25  
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50 50  Input the ABP keys in LG308
51 51  
52 52  
53 -
54 54  == 2.1 Upstream ==
55 55  
56 56  
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80 80  )))
81 81  
82 82  * **RSSI**: 4646 4646 4646 3946 = 0xFFFF FF9F : So RSSI = (0xFFFF FF9F - 0x100000000) = -97
86 +
83 83  * **SNR**: 3030 3030 3030 3546 = 0x0000 005F = 95, need to divide 10 so SNR is 9.5
88 +
84 84  * **Payload**: 0xcc0c 0b63 0266 017f ff7f ff00
85 85  
86 86  (% class="box" %)
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100 100  )))
101 101  
102 102  
103 -
104 104  === 2.2.1 Decode Method ===
105 105  
106 106  
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140 140  Above scripts are store in /etc/lora/decoder/. User can put their scripts here and select it in the UI.
141 141  
142 142  
143 -
144 144  === 2.2.2 How to Decode My End Node ===
145 145  
146 146  
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162 162  **Some notice:**
163 163  
164 164  * RSSI and SNR are added when gateway receive the packet, so there is always this field.
168 +
165 165  * If you rename the file, please make it executable.
170 +
166 166  * See this link for lua.bit module: [[http:~~/~~/luaforge.net/projects/bit/>>url:http://luaforge.net/projects/bit/]]
172 +
167 167  * Lua json module: [[http:~~/~~/json.luaforge.net/>>url:http://json.luaforge.net/]]
174 +
168 168  * the last line return is what will be used for MQTT
176 +
169 169  * User can use other language ,not limited to Lua, just make sure the return is what you want to send.
170 170  
171 171  == 2.2 Downstream ==
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183 183  (% style="color:#037691" %)**dev_addr,imme/time,txt/hex,payload,txpw,txbw,SF,frequency,rxwindow,Fport**
184 184  
185 185  * **dev_addr:** Inptu the device address
194 +
186 186  * **imme/time:**
187 187  ** imme: send downstream immediately,For Class C end node.
188 188  ** time: send downstream after receive device's uplink. For Class A end node
198 +
189 189  * **txt/hex:**
190 190  ** txt: send payload in ASCII
191 191  ** hex: send payload in HEX
202 +
192 192  * **payload: **payload to be sent, payload lenght should match the LoRaWAN protocol requirement.
204 +
193 193  * **txpw:** Transmit Power. example: 20
206 +
194 194  * **txbw:** bandwidth:
195 195  ** 1: 500 kHz
196 196  ** 2: 250 kHz
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197 197  ** 3: 125 kHz
198 198  ** 4: 62.5 kHz
199 199  * **SF:** Spreading Factor : SF7/SF8/SF9/SF10/SF11/SF12
213 +
200 200  * **Frequency:** Transmit Frequency: example: 923300000
215 +
201 201  * **rxwindow:** transmit on Rx1Window or Rx2Window.
217 +
202 202  * **Fport: **Transmit port,example:8
203 203  
220 +
221 +
204 204  (% style="color:blue" %)**Completely exmaple:**
205 205  
206 206  * **Old version:** echo 018193F4,imme,hex,0101 > /var/iot/push/test
225 +
207 207  * **New version:** echo 018193F4,imme,hex,0101,20,1,SF12,923300000,2,8 > /var/iot/push/test
208 208  
209 -(% style="color:#037691" %)**Downstream Frequency:**
210 210  
229 +
230 +Downstream(% style="color:#037691" %)** Frequency:**
231 +
211 211  The LG308 will use the RX2 window info to send the downstream payload, use the default LoRaWAN settings, as below:
212 212  
213 213  * EU868: 869.525Mhz, DR0(SF12BW125)
235 +
214 214  * US915: 923.3Mhz, SF12 BW500
237 +
215 215  * CN470: 505.3Mhz, SF12 BW125
239 +
216 216  * AU915: 923.3Mhz, SF12 BW500
241 +
217 217  * AS923: 923.2Mhz, SF10 BW125
243 +
218 218  * KR920: 921.9Mhz, SF12 BW125
245 +
219 219  * IN865: 866.55Mhz, SF10 BW125
247 +
220 220  * RU864: 869.1Mhz, SF12 BW125
221 221  
222 222  (% style="color:#037691" %)**Examples:**
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267 267  )))
268 268  
269 269  
270 -
271 271  = 3. Example 1: Communicate with LT-22222-L =
272 272  
273 273  
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350 350  Output from LPS8
351 351  
352 352  
353 -
354 354  = 4. Example 2: Communicate to TCP Server =
355 355  
356 356  
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361 361  
362 362  Full instruction video inlcude how to write scripts to fit server needed is here:
363 363  
364 -
365 365  (% style="color:#037691" %)**Video Instruction**(%%): **[[https:~~/~~/youtu.be/-nevW6U2TsE>>url:https://youtu.be/-nevW6U2TsE]]**
366 366  
392 +(% style="display:none" %) (%%)
367 367  
368 368  (% style="color:red" %)**Note: Firmware version must be higher than lgw-5.4.1607519907**
369 369  
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398 398  (% style="color:blue" %)**See value receive in socket tool:**
399 399  
400 400  
401 -[[image:image-20220527163144-11.png]]
427 +[[image:image-20220527163144-11.png||height="502" width="1371"]]
402 402  
403 403  value receive in socket tool
404 404  

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