Changes for page DS20L -- LoRaWAN Smart Distance Detector User Manual 01
Last modified by Mengting Qiu on 2023/12/14 11:15
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... ... @@ -1,1 +1,1 @@ 1 -XWiki. Xiaoling1 +XWiki.Saxer - Content
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... ... @@ -54,7 +54,6 @@ 54 54 * Downlink to change configure 55 55 * 8500mAh Battery for long term use 56 56 57 - 58 58 == 1.3 Specification == 59 59 60 60 ... ... @@ -100,7 +100,6 @@ 100 100 * Sleep Mode: 5uA @ 3.3v 101 101 * LoRa Transmit Mode: 125mA @ 20dBm, 82mA @ 14dBm 102 102 103 - 104 104 == 1.4 Applications == 105 105 106 106 ... ... @@ -112,7 +112,6 @@ 112 112 * Automatic control 113 113 * Sewer 114 114 115 - 116 116 (% style="display:none" %) 117 117 118 118 == 1.5 Sleep mode and working mode == ... ... @@ -130,7 +130,7 @@ 130 130 131 131 132 132 (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %) 133 -|=(% style="width: 167px;background-color:# D9E2F3;color:#0070C0" %)**Behavior on ACT**|=(% style="width: 117px;background-color:#D9E2F3;color:#0070C0" %)**Function**|=(% style="width: 225px;background-color:#D9E2F3;color:#0070C0" %)**Action**130 +|=(% style="width: 167px;background-color:#4F81BD;color:white" %)**Behavior on ACT**|=(% style="width: 117px;background-color:#4F81BD;color:white" %)**Function**|=(% style="width: 225px;background-color:#4F81BD;color:white" %)**Action** 134 134 |(% style="width:167px" %)Pressing ACT between 1s < time < 3s|(% style="width:117px" %)Send an uplink|(% style="width:225px" %)((( 135 135 If sensor is already Joined to LoRaWAN network, sensor will send an uplink packet, (% style="color:blue" %)**blue led** (%%)will blink once. 136 136 Meanwhile, BLE module will be active and user can connect via BLE to configure device. ... ... @@ -142,7 +142,6 @@ 142 142 ))) 143 143 |(% style="width:167px" %)Fast press ACT 5 times.|(% style="width:117px" %)Deactivate Device|(% style="width:225px" %)(% style="color:red" %)**Red led**(%%) will solid on for 5 seconds. Means device is in Deep Sleep Mode. 144 144 145 - 146 146 == 1.7 BLE connection == 147 147 148 148 ... ... @@ -159,8 +159,8 @@ 159 159 160 160 == 1.8 Pin Definitions == 161 161 162 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/WL03A-LB_LoRaWAN_None-Position_Rope_Type_Water_Leak_Controller_User_Manual/WebHome/image-20230613144156-1.png?rev=1.1||alt="image-20230613144156-1.png"]] 163 163 159 +[[image:image-20230805144259-1.png||height="413" width="741"]] 164 164 165 165 == 1.9 Mechanical == 166 166 ... ... @@ -242,31 +242,101 @@ 242 242 243 243 == 2.3 Uplink Payload == 244 244 241 +=== 2.3.1 Device Status, FPORT~=5 === 245 245 246 -((( 247 -LDS12-LB will uplink payload via LoRaWAN with below payload format: 248 -))) 249 249 244 +Users can use the downlink command(**0x26 01**) to ask LDS12-LB to send device configure detail, include device configure status. LDS12-LB will uplink a payload via FPort=5 to server. 245 + 246 +The Payload format is as below. 247 + 248 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %) 249 +|=(% style="width: 60px;background-color:#4F81BD;color:white" %)((( 250 +**Size(bytes)** 251 +)))|=(% style="width: 100px; background-color: #4F81BD;color:white;" %)**1**|=(% style="width: 100px; background-color: #4F81BD;color:white;" %)**2**|=(% style="background-color: #4F81BD;color:white; width: 100px;" %)**1**|=(% style="background-color: #4F81BD;color:white; width: 100px;" %)**1**|=(% style="background-color: #4F81BD;color:white; width: 50px;" %)**2** 252 +|(% style="width:62.5px" %)Value|(% style="width:110px" %)Sensor Model|(% style="width:48px" %)Firmware Version|(% style="width:94px" %)Frequency Band|(% style="width:91px" %)Sub-band|(% style="width:60px" %)BAT 253 + 254 +Example parse in TTNv3 255 + 256 +[[image:image-20230805103904-1.png||height="131" width="711"]] 257 + 258 +(% style="color:blue" %)**Sensor Model**(%%): For LDS12-LB, this value is 0x24 259 + 260 +(% style="color:blue" %)**Firmware Version**(%%): 0x0100, Means: v1.0.0 version 261 + 262 +(% style="color:blue" %)**Frequency Band**: 263 + 264 +0x01: EU868 265 + 266 +0x02: US915 267 + 268 +0x03: IN865 269 + 270 +0x04: AU915 271 + 272 +0x05: KZ865 273 + 274 +0x06: RU864 275 + 276 +0x07: AS923 277 + 278 +0x08: AS923-1 279 + 280 +0x09: AS923-2 281 + 282 +0x0a: AS923-3 283 + 284 +0x0b: CN470 285 + 286 +0x0c: EU433 287 + 288 +0x0d: KR920 289 + 290 +0x0e: MA869 291 + 292 +(% style="color:blue" %)**Sub-Band**: 293 + 294 +AU915 and US915:value 0x00 ~~ 0x08 295 + 296 +CN470: value 0x0B ~~ 0x0C 297 + 298 +Other Bands: Always 0x00 299 + 300 +(% style="color:blue" %)**Battery Info**: 301 + 302 +Check the battery voltage. 303 + 304 +Ex1: 0x0B45 = 2885mV 305 + 306 +Ex2: 0x0B49 = 2889mV 307 + 308 + 309 +=== 2.3.2 Uplink Payload, FPORT~=2 === 310 + 311 + 250 250 ((( 251 -Uplink payload includes in total 11 bytes. 313 +LDS12-LB will send this uplink **after** Device Status once join the LoRaWAN network successfully. And LDS12-LB will: 314 + 315 +periodically send this uplink every 20 minutes, this interval [[can be changed>>http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDS12-LB_LoRaWAN_LiDAR_ToF_Distance_Sensor_User_Manual/#H3.3.1SetTransmitIntervalTime]]. 316 + 317 +Uplink Payload totals 11 bytes. 252 252 ))) 253 253 254 254 (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %) 255 -|=(% style="width: 6 2.5px;background-color:#4F81BD;color:white" %)(((321 +|=(% style="width: 60px;background-color:#4F81BD;color:white" %)((( 256 256 **Size(bytes)** 257 -)))|=(% style="width: 62.5px;background-color:#4F81BD;color:white" %)**2**|=(% style="width:62.5px;background-color:#4F81BD;color:white" %)**2**|=(% style="background-color:#4F81BD;color:white" %)**2**|=(% style="background-color:#4F81BD;color:white" %)**2**|=(% style="background-color:#4F81BD;color:white" %)**1**|=(% style="background-color:#4F81BD;color:white" %)**1**|=(% style="background-color:#4F81BD;color:white" %)**1**258 -|(% style="width:62.5px" %)Value|(% style="width:62.5px" %)[[BAT>>||anchor="H 2.3.1BatteryInfo"]]|(% style="width:62.5px" %)(((259 -[[Temperature DS18B20>>||anchor="H 2.3.2DS18B20Temperaturesensor"]]260 -)))|[[Distance>>||anchor="H 2.3.3Distance"]]|[[Distance signal strength>>||anchor="H2.3.4Distancesignalstrength"]]|(((261 -[[Interrupt 2.3.5InterruptPin"]]262 -)))|[[LiDAR temp>>||anchor="H 2.3.6LiDARtemp"]]|(((263 -[[Message Type>>||anchor="H 2.3.7MessageType"]]323 +)))|=(% style="width: 30px;background-color:#4F81BD;color:white" %)**2**|=(% style="width: 80px;background-color:#4F81BD;color:white" %)**2**|=(% style="width: 50px;background-color:#4F81BD;color:white" %)**2**|=(% style="width: 70px;background-color:#4F81BD;color:white" %)**2**|=(% style="background-color:#4F81BD;color:white; width: 80px;" %)**1**|=(% style="background-color: #4F81BD;color:white; width: 70px;" %)**1**|=(% style="background-color: #4F81BD;color:white; width: 70px;" %)**1** 324 +|(% style="width:62.5px" %)Value|(% style="width:62.5px" %)[[BAT>>||anchor="HBatteryInfo"]]|(% style="width:62.5px" %)((( 325 +[[Temperature DS18B20>>||anchor="HDS18B20Temperaturesensor"]] 326 +)))|[[Distance>>||anchor="HDistance"]]|[[Distance signal strength>>||anchor="HDistancesignalstrength"]]|(% style="width:122px" %)((( 327 +[[Interrupt flag & Interrupt_level>>||anchor="HInterruptPin26A0InterruptLevel"]] 328 +)))|(% style="width:54px" %)[[LiDAR temp>>||anchor="HLiDARtemp"]]|(% style="width:96px" %)((( 329 +[[Message Type>>||anchor="HMessageType"]] 264 264 ))) 265 265 266 -[[image: http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LLDS12-LoRaWAN%20LiDAR%20ToF%20Distance%20Sensor%20User%20Manual/WebHome/1654833689380-972.png?rev=1.1||alt="1654833689380-972.png"]]332 +[[image:image-20230805104104-2.png||height="136" width="754"]] 267 267 268 268 269 -=== 2.3.1Battery Info ===335 +==== (% style="color:blue" %)**Battery Info**(%%) ==== 270 270 271 271 272 272 Check the battery voltage for LDS12-LB. ... ... @@ -276,7 +276,7 @@ 276 276 Ex2: 0x0B49 = 2889mV 277 277 278 278 279 -=== 2.3.2DS18B20 Temperature sensor ===345 +==== (% style="color:blue" %)**DS18B20 Temperature sensor**(%%) ==== 280 280 281 281 282 282 This is optional, user can connect external DS18B20 sensor to the +3.3v, 1-wire and GND pin . and this field will report temperature. ... ... @@ -289,7 +289,7 @@ 289 289 If payload is: FF3FH : (FF3F & FC00 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees. 290 290 291 291 292 -=== 2.3.3Distance ===358 +==== (% style="color:blue" %)**Distance**(%%) ==== 293 293 294 294 295 295 Represents the distance value of the measurement output, the default unit is cm, and the value range parsed as a decimal number is 0-1200. In actual use, when the signal strength value Strength. ... ... @@ -300,7 +300,7 @@ 300 300 If the data you get from the register is 0x0B 0xEA, the distance between the sensor and the measured object is 0BEA(H) = 3050 (D)/10 = 305cm. 301 301 302 302 303 -=== 2.3.4Distance signal strength ===369 +==== (% style="color:blue" %)**Distance signal strength**(%%) ==== 304 304 305 305 306 306 Refers to the signal strength, the default output value will be between 0-65535. When the distance measurement gear is fixed, the farther the distance measurement is, the lower the signal strength; the lower the target reflectivity, the lower the signal strength. When Strength is greater than 100 and not equal to 65535, the measured value of Dist is considered credible. ... ... @@ -313,12 +313,12 @@ 313 313 Customers can judge whether they need to adjust the environment based on the signal strength. 314 314 315 315 316 -=== 2.3.5Interrupt Pin ===382 +==== (% style="color:blue" %)**Interrupt Pin & Interrupt Level**(%%) ==== 317 317 318 318 319 319 This data field shows if this packet is generated by interrupt or not. [[Click here>>||anchor="H3.3.2SetInterruptMode"]] for the hardware and software set up. 320 320 321 -Note: The Internet Pin is a separate pin in the screw terminal. See [[pin mapping>>||anchor="H1.8PinDefinitions"]]. 387 +Note: The Internet Pin is a separate pin in the screw terminal. See GPIO_EXTI of [[pin mapping>>||anchor="H1.8PinDefinitions"]]. 322 322 323 323 **Example:** 324 324 ... ... @@ -327,7 +327,7 @@ 327 327 0x01: Interrupt Uplink Packet. 328 328 329 329 330 -=== 2.3.6LiDAR temp ===396 +==== (% style="color:blue" %)**LiDAR temp**(%%) ==== 331 331 332 332 333 333 Characterize the internal temperature value of the sensor. ... ... @@ -337,7 +337,7 @@ 337 337 If payload is: F2(H) <<24>>24=-14(D),LiDAR temp=-14℃. 338 338 339 339 340 -=== 2.3.7Message Type ===406 +==== (% style="color:blue" %)**Message Type**(%%) ==== 341 341 342 342 343 343 ((( ... ... @@ -353,10 +353,93 @@ 353 353 |(% style="width:160px" %)0x01|(% style="width:163px" %)Normal Uplink|(% style="width:173px" %)[[Normal Uplink Payload>>||anchor="H2.3200BUplinkPayload"]] 354 354 |(% style="width:160px" %)0x02|(% style="width:163px" %)Reply configures info|(% style="width:173px" %)[[Configure Info Payload>>||anchor="H3.ConfigureLDS12-LB"]] 355 355 422 +[[image:image-20230805150315-4.png||height="233" width="723"]] 356 356 357 -=== 2.3.8 Decode payload in The Things Network === 358 358 425 +=== 2.3.3 Historical measuring distance, FPORT~=3 === 359 359 427 +LDS12-LB stores sensor values and users can retrieve these history values via the [[downlink command>>http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDS12-LB_LoRaWAN_LiDAR_ToF_Distance_Sensor_User_Manual/#H2.5.4Pollsensorvalue]]. 428 + 429 +The historical payload includes one or multiplies entries and every entry has the same payload as Real-Time water flow status. 430 + 431 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %) 432 +|=(% style="width: 60px;background-color:#4F81BD;color:white" %)((( 433 +**Size(bytes)** 434 +)))|=(% style="width: 30px;background-color:#4F81BD;color:white" %)1|=(% style="width: 80px;background-color:#4F81BD;color:white" %)**1**|=(% style="width: 50px;background-color:#4F81BD;color:white" %)**2**|=(% style="width: 70px;background-color:#4F81BD;color:white" %)**2**|=(% style="background-color: rgb(79, 129, 189); color: white; width: 88px;" %)**1**|=(% style="background-color: rgb(79, 129, 189); color: white; width: 85px;" %)4 435 +|(% style="width:62.5px" %)Value|(% style="width:62.5px" %)Interrupt flag & Interrupt_level|(% style="width:62.5px" %)((( 436 +Reserve(0xFF) 437 +)))|Distance|Distance signal strength|(% style="width:88px" %)((( 438 +LiDAR temp 439 +)))|(% style="width:85px" %)Unix TimeStamp 440 + 441 +**Interrupt flag & Interrupt level:** 442 + 443 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:501px" %) 444 +|=(% style="width: 60px;background-color:#4F81BD;color:white" %)((( 445 +**Size(bit)** 446 +)))|=(% style="width: 30px;background-color:#4F81BD;color:white" %)**bit7**|=(% style="width: 80px;background-color:#4F81BD;color:white" %)**bit6**|=(% style="width: 50px;background-color:#4F81BD;color:white" %)**[bit5:bit2]**|=(% style="width: 91px; background-color: rgb(79, 129, 189); color: white;" %)**bit1**|=(% style="background-color: rgb(79, 129, 189); color: white; width: 88px;" %)**bit0** 447 +|(% style="width:62.5px" %)Value|(% style="width:62.5px" %)No ACK message|(% style="width:62.5px" %)Poll Message Flag|Reserve|(% style="width:91px" %)Interrupt level|(% style="width:88px" %)((( 448 +Interrupt flag 449 +))) 450 + 451 +* ((( 452 +Each data entry is 11 bytes and has the same structure as [[Uplink Payload>>http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDS12-LB_LoRaWAN_LiDAR_ToF_Distance_Sensor_User_Manual/#H2.3.2UplinkPayload2CFPORT3D2]], to save airtime and battery, LDS12-LB will send max bytes according to the current DR and Frequency bands. 453 +))) 454 + 455 +For example, in the US915 band, the max payload for different DR is: 456 + 457 +**a) DR0:** max is 11 bytes so one entry of data 458 + 459 +**b) DR1:** max is 53 bytes so devices will upload 4 entries of data (total 44 bytes) 460 + 461 +**c) DR2:** total payload includes 11 entries of data 462 + 463 +**d) DR3:** total payload includes 22 entries of data. 464 + 465 +If LDS12-LB doesn't have any data in the polling time. It will uplink 11 bytes of 0 466 + 467 + 468 +**Downlink:** 469 + 470 +0x31 64 CC 68 0C 64 CC 69 74 05 471 + 472 +[[image:image-20230805144936-2.png||height="113" width="746"]] 473 + 474 +**Uplink:** 475 + 476 +43 FF 0E 10 00 B0 1E 64 CC 68 0C 40 FF 0D DE 00 A8 1E 64 CC 68 29 40 FF 09 92 00 D3 1E 64 CC 68 65 40 FF 02 3A 02 BC 1E 64 CC 68 A1 41 FF 0E 1A 00 A4 1E 64 CC 68 C0 40 FF 0D 2A 00 B8 1E 64 CC 68 E8 40 FF 00 C8 11 6A 1E 64 CC 69 24 40 FF 0E 24 00 AD 1E 64 CC 69 6D 477 + 478 + 479 +**Parsed Value:** 480 + 481 +[DISTANCE , DISTANCE_SIGNAL_STRENGTH,LIDAR_TEMP,EXTI_STATUS , EXTI_FLAG , TIME] 482 + 483 + 484 +[360,176,30,High,True,2023-08-04 02:53:00], 485 + 486 +[355,168,30,Low,False,2023-08-04 02:53:29], 487 + 488 +[245,211,30,Low,False,2023-08-04 02:54:29], 489 + 490 +[57,700,30,Low,False,2023-08-04 02:55:29], 491 + 492 +[361,164,30,Low,True,2023-08-04 02:56:00], 493 + 494 +[337,184,30,Low,False,2023-08-04 02:56:40], 495 + 496 +[20,4458,30,Low,False,2023-08-04 02:57:40], 497 + 498 +[362,173,30,Low,False,2023-08-04 02:58:53], 499 + 500 + 501 +History read from serial port: 502 + 503 +[[image:image-20230805145056-3.png]] 504 + 505 + 506 +=== 2.3.3 Decode payload in The Things Network === 507 + 508 + 360 360 While using TTN network, you can add the payload format to decode the payload. 361 361 362 362 [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LLDS12-LoRaWAN%20LiDAR%20ToF%20Distance%20Sensor%20User%20Manual/WebHome/1654592762713-715.png?rev=1.1||alt="1654592762713-715.png"]] ... ... @@ -371,15 +371,9 @@ 371 371 ))) 372 372 373 373 374 -== 2.4 Uplink Interval==523 +== 2.4 Show Data in DataCake IoT Server == 375 375 376 376 377 -The LDS12-LB by default uplink the sensor data every 20 minutes. User can change this interval by AT Command or LoRaWAN Downlink Command. See this link: [[Change Uplink Interval>>||anchor="H3.3.1SetTransmitIntervalTime"]] 378 - 379 - 380 -== 2.5 Show Data in DataCake IoT Server == 381 - 382 - 383 383 ((( 384 384 [[DATACAKE>>url:https://datacake.co/]] provides a human friendly interface to show the sensor data, once we have data in TTN, we can use [[DATACAKE>>url:https://datacake.co/]] to connect to TTN and see the data in DATACAKE. Below are the steps: 385 385 ))) ... ... @@ -412,13 +412,13 @@ 412 412 [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/image-20220610165129-11.png?width=1088&height=595&rev=1.1||alt="image-20220610165129-11.png"]] 413 413 414 414 415 -== 2. 6Datalog Feature ==558 +== 2.5 Datalog Feature == 416 416 417 417 418 418 Datalog Feature is to ensure IoT Server can get all sampling data from Sensor even if the LoRaWAN network is down. For each sampling, LDS12-LB will store the reading for future retrieving purposes. 419 419 420 420 421 -=== 2. 6.1 Ways to get datalog via LoRaWAN ===564 +=== 2.5.1 Ways to get datalog via LoRaWAN === 422 422 423 423 424 424 Set PNACKMD=1, LDS12-LB will wait for ACK for every uplink, when there is no LoRaWAN network,LDS12-LB will mark these records with non-ack messages and store the sensor data, and it will send all messages (10s interval) after the network recovery. ... ... @@ -435,7 +435,7 @@ 435 435 [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/WebHome/image-20220703111700-2.png?width=1119&height=381&rev=1.1||alt="图片-20220703111700-2.png" height="381" width="1119"]] 436 436 437 437 438 -=== 2. 6.2 Unix TimeStamp ===581 +=== 2.5.2 Unix TimeStamp === 439 439 440 440 441 441 LDS12-LB uses Unix TimeStamp format based on ... ... @@ -452,7 +452,7 @@ 452 452 So, we can use AT+TIMESTAMP=1611889405 or downlink 3060137afd00 to set the current time 2021 – Jan ~-~- 29 Friday 03:03:25 453 453 454 454 455 -=== 2. 6.3 Set Device Time ===598 +=== 2.5.3 Set Device Time === 456 456 457 457 458 458 User need to set (% style="color:blue" %)**SYNCMOD=1**(%%) to enable sync time via MAC command. ... ... @@ -462,13 +462,13 @@ 462 462 (% style="color:red" %)**Note: LoRaWAN Server need to support LoRaWAN v1.0.3(MAC v1.0.3) or higher to support this MAC command feature, Chirpstack,TTN V3 v3 and loriot support but TTN V3 v2 doesn't support. If server doesn't support this command, it will through away uplink packet with this command, so user will lose the packet with time request for TTN V3 v2 if SYNCMOD=1.** 463 463 464 464 465 -=== 2. 6.4 Poll sensor value ===608 +=== 2.5.4 Poll sensor value === 466 466 467 467 468 468 Users can poll sensor values based on timestamps. Below is the downlink command. 469 469 470 470 (% border="1" cellspacing="5" style="background-color:#f2f2f2; width:425.818px" %) 471 -|(% colspan="4" style="background-color:# d9e2f3; color:#0070c0; width:423px" %)**Downlink Command to poll Open/Close status (0x31)**614 +|(% colspan="4" style="background-color:#4f81bd; color:white; width:423px" %)**Downlink Command to poll Open/Close status (0x31)** 472 472 |(% style="width:58px" %)**1byte**|(% style="width:127px" %)**4bytes**|(% style="width:124px" %)**4bytes**|(% style="width:114px" %)**1byte** 473 473 |(% style="width:58px" %)31|(% style="width:127px" %)Timestamp start|(% style="width:124px" %)Timestamp end|(% style="width:114px" %)Uplink Interval 474 474 ... ... @@ -489,7 +489,7 @@ 489 489 ))) 490 490 491 491 492 -== 2. 7Frequency Plans ==635 +== 2.6 Frequency Plans == 493 493 494 494 495 495 The LDS12-LB uses OTAA mode and below frequency plans by default. If user want to use it with different frequency plan, please refer the AT command sets. ... ... @@ -497,9 +497,9 @@ 497 497 [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20Frequency%20Band/>>http://wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20Frequency%20Band/]] 498 498 499 499 500 -== 2. 8LiDAR ToF Measurement ==643 +== 2.7 LiDAR ToF Measurement == 501 501 502 -=== 2. 8.1 Principle of Distance Measurement ===645 +=== 2.7.1 Principle of Distance Measurement === 503 503 504 504 505 505 The LiDAR probe is based on TOF, namely, Time of Flight principle. To be specific, the product emits modulation wave of near infrared ray on a periodic basis, which will be reflected after contacting object. The product obtains the time of flight by measuring round-trip phase difference and then calculates relative range between the product and the detection object, as shown below. ... ... @@ -507,7 +507,7 @@ 507 507 [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LLDS12-LoRaWAN%20LiDAR%20ToF%20Distance%20Sensor%20User%20Manual/WebHome/1654831757579-263.png?rev=1.1||alt="1654831757579-263.png"]] 508 508 509 509 510 -=== 2. 8.2 Distance Measurement Characteristics ===653 +=== 2.7.2 Distance Measurement Characteristics === 511 511 512 512 513 513 With optimization of light path and algorithm, The LiDAR probe has minimized influence from external environment on distance measurement performance. Despite that, the range of distance measurement may still be affected by the environment illumination intensity and the reflectivity of detection object. As shown in below: ... ... @@ -545,7 +545,7 @@ 545 545 ))) 546 546 547 547 548 -=== 2. 8.3 Notice of usage ===691 +=== 2.7.3 Notice of usage === 549 549 550 550 551 551 Possible invalid /wrong reading for LiDAR ToF tech: ... ... @@ -555,10 +555,9 @@ 555 555 * The LiDAR probe is cover by dirty things; the reading might be wrong. In this case, need to clean the probe. 556 556 * The sensor window is made by Acrylic. Don't touch it with alcohol material. This will destroy the sensor window. 557 557 701 +=== 2.7.4 Reflectivity of different objects === 558 558 559 -=== 2.8.4 Reflectivity of different objects === 560 560 561 - 562 562 (% border="1" cellspacing="5" style="background-color:#f2f2f2; width:379px" %) 563 563 |=(% style="width: 54px;background-color:#4F81BD;color:white" %)Item|=(% style="width: 231px;background-color:#4F81BD;color:white" %)Material|=(% style="width: 94px;background-color:#4F81BD;color:white" %)Relectivity 564 564 |(% style="width:53px" %)1|(% style="width:229px" %)Black foam rubber|(% style="width:93px" %)2.4% ... ... @@ -582,7 +582,6 @@ 582 582 |(% style="width:53px" %)17|(% style="width:229px" %)stainless steel|(% style="width:93px" %)200% 583 583 |(% style="width:53px" %)18|(% style="width:229px" %)Reflector plate, reflective tape|(% style="width:93px" %)>300% 584 584 585 - 586 586 = 3. Configure LDS12-LB = 587 587 588 588 == 3.1 Configure Methods == ... ... @@ -596,7 +596,6 @@ 596 596 597 597 * LoRaWAN Downlink. Instruction for different platforms: See [[IoT LoRaWAN Server>>http://wiki.dragino.com/xwiki/bin/view/Main/]] section. 598 598 599 - 600 600 == 3.2 General Commands == 601 601 602 602 ... ... @@ -696,84 +696,35 @@ 696 696 697 697 * Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger 698 698 839 +=== 3.3.3 Set Power Output Duration === 699 699 700 - ===3.3.3 GetFirmwareVersionInfo===841 +Control the output duration 3V3(pin of VBAT_OUT) . Before each sampling, device will 701 701 843 +~1. first enable the power output to external sensor, 702 702 703 - Feature:usedownlinktogetfirmwareversion.845 +2. keep it on as per duration, read sensor value and construct uplink payload 704 704 705 - (%style="color:blue"%)**DownlinkCommand: 0x26**847 +3. final, close the power output. 706 706 707 -(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:492px" %) 708 -|(% style="background-color:#4f81bd; color:white; width:191px" %)**Downlink Control Type**|(% style="background-color:#4f81bd; color:white; width:57px" %)**FPort**|(% style="background-color:#4f81bd; color:white; width:91px" %)**Type Code**|(% style="background-color:#4f81bd; color:white; width:153px" %)**Downlink payload size(bytes)** 709 -|(% style="width:191px" %)Get Firmware Version Info|(% style="width:57px" %)Any|(% style="width:91px" %)26|(% style="width:151px" %)2 849 +(% style="color:blue" %)**AT Command: AT+3V3T** 710 710 711 -* Reply to the confirmation package: 26 01 712 -* Reply to non-confirmed packet: 26 00 851 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %) 852 +|=(% style="width: 155px;background-color:#4F81BD;color:white" %)**Command Example**|=(% style="width: 197px;background-color:#4F81BD;color:white" %)**Function**|=(% style="width: 158px;background-color:#4F81BD;color:white" %)**Response** 853 +|(% style="width:154px" %)AT+3V3T=?|(% style="width:196px" %)Show 3V3 open time.|(% style="width:157px" %)0 (default) 854 +OK 855 +|(% style="width:154px" %)AT+3V3T=1000|(% style="width:196px" %)Close after a delay of 1000 milliseconds.|(% style="width:157px" %)OK 856 +|(% style="width:154px" %)AT+3V3T=0|(% style="width:196px" %)Always turn on the power supply of 3V3 pin.|(% style="width:157px" %)OK 857 +|(% style="width:154px" %)AT+3V3T=65535|(% style="width:196px" %)Always turn off the power supply of 3V3 pin.|(% style="width:157px" %)OK 713 713 714 -Device will send an uplink after got this downlink command. With below payload: 859 +(% style="color:blue" %)**Downlink Command: 0x07**(%%) 860 +Format: Command Code (0x07) followed by 3 bytes. 715 715 716 - Configures infopayload:862 +The first byte is 01,the second and third bytes are the time to turn on. 717 717 718 -(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:510px" %) 719 -|=(% style="background-color:#4F81BD;color:white" %)((( 720 -**Size(bytes)** 721 -)))|=(% style="background-color:#4F81BD;color:white" %)**1**|=(% style="background-color:#4F81BD;color:white" %)**1**|=(% style="background-color:#4F81BD;color:white" %)**1**|=(% style="background-color:#4F81BD;color:white" %)**1**|=(% style="background-color:#4F81BD;color:white" %)**1**|=(% style="background-color:#4F81BD;color:white" %)**5**|=(% style="background-color:#4F81BD;color:white" %)**1** 722 -|**Value**|Software Type|((( 723 -Frequency Band 724 -)))|Sub-band|((( 725 -Firmware Version 726 -)))|Sensor Type|Reserve|((( 727 -[[Message Type>>||anchor="H2.3.7MessageType"]] 728 -Always 0x02 729 -))) 864 +* Example 1: Downlink Payload: 07 01 00 00 **~-~-->** AT+3V3T=0 865 +* Example 2: Downlink Payload: 07 01 01 F4 **~-~-->** AT+3V3T=500 866 +* Example 3: Downlink Payload: 07 01 FF FF **~-~-->** AT+3V3T=65535 730 730 731 -(% style="color:#037691" %)**Software Type**(%%): Always 0x03 for LLDS12 732 - 733 -(% style="color:#037691" %)**Frequency Band**: 734 - 735 -*0x01: EU868 736 - 737 -*0x02: US915 738 - 739 -*0x03: IN865 740 - 741 -*0x04: AU915 742 - 743 -*0x05: KZ865 744 - 745 -*0x06: RU864 746 - 747 -*0x07: AS923 748 - 749 -*0x08: AS923-1 750 - 751 -*0x09: AS923-2 752 - 753 -*0xa0: AS923-3 754 - 755 - 756 -(% style="color:#037691" %)**Sub-Band**(%%): value 0x00 ~~ 0x08 757 - 758 -(% style="color:#037691" %)**Firmware Version**(%%): 0x0100, Means: v1.0.0 version 759 - 760 -(% style="color:#037691" %)**Sensor Type**: 761 - 762 -0x01: LSE01 763 - 764 -0x02: LDDS75 765 - 766 -0x03: LDDS20 767 - 768 -0x04: LLMS01 769 - 770 -0x05: LSPH01 771 - 772 -0x06: LSNPK01 773 - 774 -0x07: LLDS12 775 - 776 - 777 777 = 4. Battery & Power Consumption = 778 778 779 779 ... ... @@ -802,7 +802,6 @@ 802 802 803 803 * Update through UART TTL interface: **[[Instruction>>url:http://wiki.dragino.com/xwiki/bin/view/Main/UART%20Access%20for%20LoRa%20ST%20v4%20base%20model/#H1.LoRaSTv4baseHardware]]**. 804 804 805 - 806 806 = 6. FAQ = 807 807 808 808 == 6.1 What is the frequency plan for LDS12-LB? == ... ... @@ -863,7 +863,6 @@ 863 863 864 864 * (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band 865 865 866 - 867 867 = 9. Packing Info = 868 868 869 869 ... ... @@ -881,7 +881,6 @@ 881 881 882 882 * Weight / pcs : g 883 883 884 - 885 885 = 10. Support = 886 886 887 887
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