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... ... @@ -1,44 +1,50 @@ 1 - **Contents:** 1 +* 2 +** Table of** **Contents: 2 2 3 3 {{toc/}} 4 4 5 5 7 + 6 6 = 1. Introduction = 7 7 10 + 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]]).14 +* 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 -The basic of this feature is the decoding of **LoRaWAN ABP End Node**. Requirements: 17 +The basic of this feature is the decoding of (% style="color:red" %)**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:[[Since LG02_LG08~~-~~-build-v5.4.1593400722-20200629-1120>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_Gateway/LPS8/Firmware/Release/]] 22 +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 21 = 2. How it works = 22 22 23 23 24 -**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]]** 25 25 29 + 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" %) 29 29 ((( 30 -AT+NWKSKEY=72 32 63 95 dd 8f e2 b2 13 66 e4 35 93 8f 55 df 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 36 +AT+DADDR=2602111D** 33 33 ))) 34 34 35 35 ((( 36 36 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. 41 + 42 + 37 37 ))) 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"]]47 +[[image:image-20220527161119-1.png]] 42 42 43 43 Input the ABP keys in LG308 44 44 ... ... @@ -45,6 +45,7 @@ 45 45 46 46 == 2.1 Upstream == 47 47 54 + 48 48 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. 49 49 50 50 ((( ... ... @@ -51,9 +51,9 @@ 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"]]61 +[[image:image-20220527161149-2.png]] 55 55 56 -LG308 log by "logread -f" command 63 +LG308 log by "(% style="color:red" %)**logread -f**" (%%)command 57 57 58 58 59 59 The data of End Node is stored in the file /var/iot/channels/2602111D. We can use hexdump command to check it. ... ... @@ -61,19 +61,19 @@ 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 SNR65 -0000010 (% class="mark" %)**cc0c 0b63 0266 017f ff7f ff00 **(%%) ~-~-> Payload71 +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 66 66 000001c 67 67 ))) 68 68 69 -* RSSI: 4646 4646 4646 3946 = 0xFFFF FF9F : So RSSI = (0xFFFF FF9F - 0x100000000) = -97 70 -* SNR: 3030 3030 3030 3546 = 0x0000 005F = 95, need to divide 10 so SNR is 9.5 71 -* 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 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 string82 +(% 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 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" ... ... @@ -82,13 +82,15 @@ 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.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. 86 86 ))) 87 87 95 + 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. 91 91 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 + 92 92 For example we have a LHT65 , works in ABP mode and gateway successful get the data, which are: 93 93 94 94 (% class="box" %) ... ... @@ -99,6 +99,7 @@ 99 99 000001c 100 100 ))) 101 101 111 + 102 102 If we choose ASCII decoder, the MQTT process will send out with mqtt-data: 103 103 104 104 (% class="box" %) ... ... @@ -105,9 +105,10 @@ 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 118 +Sun Sep 27 04:33:16 2020 user.notice root: [IoT.MQTT]:mqtt_data[-m]: (% style="color:#037691" %)**ffffffe700000048ccd17fff7fff017fff7fff00** 109 109 ))) 110 110 121 + 111 111 If we choose Decode_LHT65, the MQTT process will send out with mqtt-data 112 112 113 113 (% class="box" %) ... ... @@ -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} 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}(%%)** 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. ... ... @@ -123,6 +123,7 @@ 123 123 124 124 === 2.2.2 How to Decode My End Node === 125 125 137 + 126 126 1/ Configure the ABP keys for your end node in the gateway. enable ABP decode in Web UI 127 127 128 128 2/ Don't choose MQTT service, use LoRaWAN. ... ... @@ -143,43 +143,49 @@ 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. 145 145 158 + 159 + 146 146 == 2.2 Downstream == 147 147 162 + 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 149 149 150 150 The file should use below format: 151 151 152 -(% class="mark" %)**dev_addr,imme/time,txt/hex,payload**167 +(% 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**171 +(% style="color:#037691" %)**dev_addr,imme/time,txt/hex,payload,txpw,txbw,SF,frequency,rxwindow** 157 157 158 -* dev_addr: Inptu the device address 159 -* imme/time: 173 +* **dev_addr:** Inptu the device address 174 +* **imme/time:** 160 160 ** imme: send downstream immediately,For Class C end node. 161 161 ** time: send downstream after receive device's uplink. For Class A end node 162 -* txt/hex: 177 +* **txt/hex:** 163 163 ** txt: send payload in ASCII 164 164 ** hex: send payload in HEX 165 -* payload: payload to be sent, payload lenght should match the LoRaWAN protocol requirement. 166 -* txpw: Transmit Power. example: 20 167 -* txbw: bandwidth: 180 +* **payload: **payload to be sent, payload lenght should match the LoRaWAN protocol requirement. 181 +* **txpw:** Transmit Power. example: 20 182 +* **txbw:** bandwidth: 168 168 ** 1: 500 kHz 169 169 ** 2: 250 kHz 170 170 ** 3: 125 kHz 171 171 ** 4: 62.5 kHz 172 -* SF: Spreading Factor : SF7/SF8/SF9/SF10/SF11/SF12 173 -* Frequency: Transmit Frequency: example: 923300000 174 -* rxwindow: transmit on Rx1Window or Rx2Window. 187 +* **SF:** Spreading Factor : SF7/SF8/SF9/SF10/SF11/SF12 188 +* **Frequency:** Transmit Frequency: example: 923300000 189 +* **rxwindow:** transmit on Rx1Window or Rx2Window. 175 175 176 -Completely exmaple: 177 177 178 -* Old version: echo 018193F4,imme,hex,0101 > /var/iot/push/test 179 -* New version: echo 018193F4,imme,hex,0101,20,1,SF12,923300000,2 > /var/iot/push/test 192 +(% style="color:blue" %)**Completely exmaple:** 180 180 181 -(% class="mark" %)**Downstream Frequency** 194 +* **Old version:** echo 018193F4,imme,hex,0101 > /var/iot/push/test 195 +* **New version:** echo 018193F4,imme,hex,0101,20,1,SF12,923300000,2 > /var/iot/push/test 182 182 197 + 198 + 199 +(% style="color:#037691" %)**Downstream Frequency** 200 + 183 183 The LG308 will use the RX2 window info to send the downstream payload, use the default LoRaWAN settings, as below: 184 184 185 185 * EU868: 869.525Mhz, DR0(SF12BW125) ... ... @@ -191,8 +191,10 @@ 191 191 * IN865: 866.55Mhz, SF10 BW125 192 192 * RU864: 869.1Mhz, SF12 BW125 193 193 194 -(% class="mark" %)**Examples:** 195 195 213 + 214 +(% style="color:#037691" %)**Examples:** 215 + 196 196 (% class="box" %) 197 197 ((( 198 198 we can use echo command to create files in LG308 for downstream. ... ... @@ -201,7 +201,7 @@ 201 201 202 202 (% class="box" %) 203 203 ((( 204 -1) From logread -f of gateway, we can see it has been added as pedning. 224 +**1)** From logread -f of gateway, we can see it has been added as pedning. 205 205 lora_pkt_fwd[4286]: INFO~~ [DNLK]Looking file : test 206 206 lora_pkt_fwd[4286]: INFO~~ [DNLK]devaddr:2602111D, txmode:time, pdfm:hex, size:4, payload1:4Vx,payload_hex:77C1BB90 207 207 lora_pkt_fwd[4286]: INFO~~ [DNLK] DNLINK PENDING!(1 elems). ... ... @@ -209,7 +209,7 @@ 209 209 210 210 (% class="box" %) 211 211 ((( 212 -2) When there is an upstrea from end node, this downstream will be sent and shows: 232 +**2)** When there is an upstrea from end node, this downstream will be sent and shows: 213 213 lora_pkt_fwd[4286]: INFO: tx_start_delay=1497 (1497.000000) - (1497, bw_delay=0.000000, notch_delay=0.000000) 214 214 lora_pkt_fwd[4286]: [LGWSEND]lgw_send done: count_us=3537314420, freq=923300000, size=17 215 215 ))) ... ... @@ -216,7 +216,7 @@ 216 216 217 217 (% class="box" %) 218 218 ((( 219 -3) and the end node will got: 239 +**3)** and the end node will got: 220 220 [5764825]~*~*~*~** UpLinkCounter= 98 ~*~*~*~** 221 221 [5764827]TX on freq 905300000 Hz at DR 0 222 222 Update Interval: 60000 ms ... ... @@ -227,12 +227,12 @@ 227 227 [5767501]rxDone 228 228 Rssi= -41 229 229 Receive data 230 -2:12345678 250 +(% style="color:#037691" %)**2:12345678** (%%) ~-~-> Hex 231 231 ))) 232 232 233 233 (% class="box" %) 234 234 ((( 235 -4) If we use the command "echo 2602111D,time,txt,12345678 > /var/iot/push/test" for downstream, the end node will got: 255 +**4) **If we use the command "echo 2602111D,time,txt,12345678 > /var/iot/push/test" for downstream, the end node will got: 236 236 [5955877]~*~*~*~** UpLinkCounter= 102 ~*~*~*~** 237 237 [5955879]TX on freq 904100000 Hz at DR 0 238 238 Update Interval: 60000 ms ... ... @@ -243,16 +243,18 @@ 243 243 [5958595]rxDone 244 244 Rssi= -37 245 245 Receive data 246 -2:3132333435363738 ~-~-> ASCII string "12345678" 266 +(% style="color:#037691" %)**2:3132333435363738**(%%) ~-~-> ASCII string "12345678" 247 247 ))) 248 248 269 + 249 249 = 3. Example 1: Communicate with LT-22222-L = 250 250 272 + 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]] 252 252 253 253 (% class="box" %) 254 254 ((( 255 -#!/bin/sh 277 +//#!/bin/sh 256 256 # This scripts shows how to use LPS8/LG308/DLOS8 to communicate with two LoRaWAN End Nodes, without the use of internet or LoRaWAN server 257 257 # 258 258 # Hardware Prepare: ... ... @@ -285,40 +285,44 @@ 285 285 # Device1: DI1: ON, DI2: ON , DO1: ON, DO2: ON 286 286 # Device2: DI1: OFF, DI2: OFF , DO1: ON, DO2: ON 287 287 # 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 288 -# whether the Device 2 has been changed. 310 +# whether the Device 2 has been changed.// 289 289 ))) 290 290 291 -~1. Input keys 313 +**~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"]]315 +[[image:image-20220527162450-3.png]] 294 294 295 295 Input Keys in LPS8 296 296 297 -2. Make sure the LPS8 and LT use the same frequency bands, choose EU868 in this test. 298 298 299 - 3.ChooseBuilt-in server320 +**2. Make sure the LPS8 and LT use the same frequency bands, choose EU868 in this test.** 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"]]322 +**3. Choose Built-in server** 302 302 324 +[[image:image-20220527162518-4.png]] 325 + 303 303 Choose Built-in server 304 304 305 -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"]]329 +**4. Run the script.** 308 308 331 +[[image:image-20220527162552-5.png]] 332 + 309 309 Run the script 310 310 311 -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"]]336 +**5. Output:** 314 314 338 +[[image:image-20220527162619-6.png]] 339 + 315 315 Output from LPS8 316 316 317 317 318 318 = 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"]] 321 321 346 +[[image:image-20220527162648-7.png]] 347 + 322 322 Network Structure 323 323 324 324 ... ... @@ -325,35 +325,42 @@ 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]]354 +(% style="color:#037691" %)**Video Instruction**(%%): **[[https:~~/~~/youtu.be/-nevW6U2TsE>>url:https://youtu.be/-nevW6U2TsE]]** 329 329 330 330 331 -Note: Firmware version must be higher than lgw-5.4.1607519907 357 +(% style="color:red" %)**Note: Firmware version must be higher than lgw-5.4.1607519907** 332 332 359 + 333 333 Assume we already set up ABP keys in the gateway: 334 334 335 -[[image: https://wiki.dragino.com/images/thumb/b/bf/LPS8_LT-22222_1.png/600px-LPS8_LT-22222_1.png||height="335" width="600"]]362 +[[image:image-20220527162852-8.png]] 336 336 337 337 Input Keys in LPS8 338 338 339 -run socket tool in PC 340 340 341 -[[image:https://wiki.dragino.com/images/thumb/4/4b/LPS8_TCP_2.png/600px-LPS8_TCP_2.png||height="212" width="600"]] 342 342 368 +**run socket tool in PC** 369 + 370 +[[image:image-20220527163028-9.png]] 371 + 372 + 343 343 Socket tool 344 344 345 345 346 -Input Server address and port 347 347 348 - [[image:https://wiki.dragino.com/images/thumb/c/c6/LPS8_TCP_3.png/600px-LPS8_TCP_3.png||height="306" width="600"]]377 +**Input Server address and port** 349 349 379 +[[image:image-20220527163106-10.png]] 380 + 350 350 Input Server address and port 351 351 352 352 353 -See value receive in socket tool. : 354 354 355 - [[image:https://wiki.dragino.com/images/thumb/2/20/LPS8_TCP_4.png/600px-LPS8_TCP_4.png||height="219"width="600"]]385 +**See value receive in socket tool:** 356 356 387 +[[image:image-20220527163144-11.png]] 388 + 357 357 value receive in socket tool 358 358 391 + 359 359 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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