Last modified by Xiaoling on 2023/04/20 18:14
<
From version < 20.1 >
edited by Kilight Cao
on 2022/12/01 14:00
To version < 21.4 >
edited by Xiaoling
on 2023/04/20 18:11
>
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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 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 +
27 +
24 24  = 2. How it works =
25 25  
26 26  
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51 51  Input the ABP keys in LG308
52 52  
53 53  
54 -
55 55  == 2.1 Upstream ==
56 56  
57 57  
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81 81  )))
82 82  
83 83  * **RSSI**: 4646 4646 4646 3946 = 0xFFFF FF9F : So RSSI = (0xFFFF FF9F - 0x100000000) = -97
87 +
84 84  * **SNR**: 3030 3030 3030 3546 = 0x0000 005F = 95, need to divide 10 so SNR is 9.5
89 +
85 85  * **Payload**: 0xcc0c 0b63 0266 017f ff7f ff00
86 86  
87 87  (% class="box" %)
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101 101  )))
102 102  
103 103  
104 -
105 105  === 2.2.1 Decode Method ===
106 106  
107 107  
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141 141  Above scripts are store in /etc/lora/decoder/. User can put their scripts here and select it in the UI.
142 142  
143 143  
144 -
145 145  === 2.2.2 How to Decode My End Node ===
146 146  
147 147  
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163 163  **Some notice:**
164 164  
165 165  * RSSI and SNR are added when gateway receive the packet, so there is always this field.
169 +
166 166  * If you rename the file, please make it executable.
171 +
167 167  * See this link for lua.bit module: [[http:~~/~~/luaforge.net/projects/bit/>>url:http://luaforge.net/projects/bit/]]
173 +
168 168  * Lua json module: [[http:~~/~~/json.luaforge.net/>>url:http://json.luaforge.net/]]
175 +
169 169  * the last line return is what will be used for MQTT
177 +
170 170  * User can use other language ,not limited to Lua, just make sure the return is what you want to send.
171 171  
172 172  
181 +
173 173  == 2.2 Downstream ==
174 174  
175 175  
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182 182  
183 183  Since fimware > [[Dragino lgw~~-~~-build-v5.4.1668567157>>https://www.dragino.com/downloads/index.php?dir=LoRa_Gateway/LG308-LG301/Firmware/Release/]] . Support more option
184 184  
185 -(% style="color:#037691" %)**dev_addr,imme/time,txt/hex,payload,txpw,txbw,SF,frequency,rxwindow**
194 +(% style="color:#037691" %)**dev_addr,imme/time,txt/hex,payload,txpw,txbw,SF,frequency,rxwindow,Fport**
186 186  
187 187  * **dev_addr:** Inptu the device address
197 +
188 188  * **imme/time:**
189 189  ** imme: send downstream immediately,For Class C end node.
190 190  ** time: send downstream after receive device's uplink. For Class A end node
201 +
191 191  * **txt/hex:**
192 192  ** txt: send payload in ASCII
193 193  ** hex: send payload in HEX
205 +
194 194  * **payload: **payload to be sent, payload lenght should match the LoRaWAN protocol requirement.
207 +
195 195  * **txpw:** Transmit Power. example: 20
209 +
196 196  * **txbw:** bandwidth:
197 197  ** 1: 500 kHz
198 198  ** 2: 250 kHz
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199 199  ** 3: 125 kHz
200 200  ** 4: 62.5 kHz
201 201  * **SF:** Spreading Factor : SF7/SF8/SF9/SF10/SF11/SF12
216 +
202 202  * **Frequency:** Transmit Frequency: example: 923300000
218 +
203 203  * **rxwindow:** transmit on Rx1Window or Rx2Window.
220 +
204 204  * **Fport: **Transmit port,example:8
205 205  
206 206  
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207 207  (% style="color:blue" %)**Completely exmaple:**
208 208  
209 209  * **Old version:** echo 018193F4,imme,hex,0101 > /var/iot/push/test
210 -* **New version:** echo 018193F4,imme,hex,0101,20,1,SF12,923300000,2,2 > /var/iot/push/test
211 211  
212 -(% style="color:#037691" %)**Downstream Frequency:**
228 +* **New version:** echo 018193F4,imme,hex,0101,20,1,SF12,923300000,2,8 > /var/iot/push/test
213 213  
230 +
231 +Downstream(% style="color:#037691" %)** Frequency:**
232 +
214 214  The LG308 will use the RX2 window info to send the downstream payload, use the default LoRaWAN settings, as below:
215 215  
216 216  * EU868: 869.525Mhz, DR0(SF12BW125)
236 +
217 217  * US915: 923.3Mhz, SF12 BW500
238 +
218 218  * CN470: 505.3Mhz, SF12 BW125
240 +
219 219  * AU915: 923.3Mhz, SF12 BW500
242 +
220 220  * AS923: 923.2Mhz, SF10 BW125
244 +
221 221  * KR920: 921.9Mhz, SF12 BW125
246 +
222 222  * IN865: 866.55Mhz, SF10 BW125
248 +
223 223  * RU864: 869.1Mhz, SF12 BW125
224 224  
251 +
252 +
225 225  (% style="color:#037691" %)**Examples:**
226 226  
227 227  (% class="box" %)
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270 270  )))
271 271  
272 272  
273 -
274 274  = 3. Example 1: Communicate with LT-22222-L =
275 275  
276 276  
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353 353  Output from LPS8
354 354  
355 355  
356 -
357 357  = 4. Example 2: Communicate to TCP Server =
358 358  
359 359  
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364 364  
365 365  Full instruction video inlcude how to write scripts to fit server needed is here:
366 366  
367 -
368 368  (% style="color:#037691" %)**Video Instruction**(%%): **[[https:~~/~~/youtu.be/-nevW6U2TsE>>url:https://youtu.be/-nevW6U2TsE]]**
369 369  
395 +(% style="display:none" %) (%%)
370 370  
371 371  (% style="color:red" %)**Note: Firmware version must be higher than lgw-5.4.1607519907**
372 372  
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401 401  (% style="color:blue" %)**See value receive in socket tool:**
402 402  
403 403  
404 -[[image:image-20220527163144-11.png]]
430 +[[image:image-20220527163144-11.png||height="502" width="1371"]]
405 405  
406 406  value receive in socket tool
407 407  

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