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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... ... @@ -35,7 +35,7 @@ 35 35 36 36 Each LDS12-LB is pre-load with a set of unique keys for LoRaWAN registrations, register these keys to local LoRaWAN server and it will auto connect after power on. 37 37 38 -[[image:image-2023061 4162334-2.png||height="468" width="800"]]38 +[[image:image-20230615152941-1.png||height="459" width="800"]] 39 39 40 40 41 41 == 1.2 Features == ... ... @@ -54,8 +54,6 @@ 54 54 * Downlink to change configure 55 55 * 8500mAh Battery for long term use 56 56 57 - 58 - 59 59 == 1.3 Specification == 60 60 61 61 ... ... @@ -101,8 +101,6 @@ 101 101 * Sleep Mode: 5uA @ 3.3v 102 102 * LoRa Transmit Mode: 125mA @ 20dBm, 82mA @ 14dBm 103 103 104 - 105 - 106 106 == 1.4 Applications == 107 107 108 108 ... ... @@ -114,8 +114,6 @@ 114 114 * Automatic control 115 115 * Sewer 116 116 117 - 118 - 119 119 (% style="display:none" %) 120 120 121 121 == 1.5 Sleep mode and working mode == ... ... @@ -133,7 +133,7 @@ 133 133 134 134 135 135 (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %) 136 -|=(% 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** 137 137 |(% style="width:167px" %)Pressing ACT between 1s < time < 3s|(% style="width:117px" %)Send an uplink|(% style="width:225px" %)((( 138 138 If sensor is already Joined to LoRaWAN network, sensor will send an uplink packet, (% style="color:blue" %)**blue led** (%%)will blink once. 139 139 Meanwhile, BLE module will be active and user can connect via BLE to configure device. ... ... @@ -145,8 +145,6 @@ 145 145 ))) 146 146 |(% 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. 147 147 148 - 149 - 150 150 == 1.7 BLE connection == 151 151 152 152 ... ... @@ -163,8 +163,8 @@ 163 163 164 164 == 1.8 Pin Definitions == 165 165 166 -[[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"]] 167 167 159 +[[image:image-20230805144259-1.png||height="413" width="741"]] 168 168 169 169 == 1.9 Mechanical == 170 170 ... ... @@ -200,7 +200,7 @@ 200 200 201 201 The LPS8v2 is already set to connected to [[TTN network >>url:https://console.cloud.thethings.network/]], so what we need to now is configure the TTN server. 202 202 203 -[[image:image-2023061 4162359-3.png||height="468" width="800"]](% style="display:none" %)195 +[[image:image-20230615153004-2.png||height="459" width="800"]](% style="display:none" %) 204 204 205 205 206 206 (% style="color:blue" %)**Step 1:**(%%) Create a device in TTN with the OTAA keys from LDS12-LB. ... ... @@ -246,31 +246,101 @@ 246 246 247 247 == 2.3 Uplink Payload == 248 248 241 +=== 2.3.1 Device Status, FPORT~=5 === 249 249 250 -((( 251 -LDS12-LB will uplink payload via LoRaWAN with below payload format: 252 -))) 253 253 244 +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 + 254 254 ((( 255 -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. 256 256 ))) 257 257 258 258 (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %) 259 -|=(% style="width: 6 2.5px;background-color:#4F81BD;color:white" %)(((321 +|=(% style="width: 60px;background-color:#4F81BD;color:white" %)((( 260 260 **Size(bytes)** 261 -)))|=(% 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**262 -|(% style="width:62.5px" %)Value|(% style="width:62.5px" %)[[BAT>>||anchor="H 2.3.1BatteryInfo"]]|(% style="width:62.5px" %)(((263 -[[Temperature DS18B20>>||anchor="H 2.3.2DS18B20Temperaturesensor"]]264 -)))|[[Distance>>||anchor="H 2.3.3Distance"]]|[[Distance signal strength>>||anchor="H2.3.4Distancesignalstrength"]]|(((265 -[[Interrupt 2.3.5InterruptPin"]]266 -)))|[[LiDAR temp>>||anchor="H 2.3.6LiDARtemp"]]|(((267 -[[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"]] 268 268 ))) 269 269 270 -[[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"]] 271 271 272 272 273 -=== 2.3.1Battery Info ===335 +==== (% style="color:blue" %)**Battery Info**(%%) ==== 274 274 275 275 276 276 Check the battery voltage for LDS12-LB. ... ... @@ -280,7 +280,7 @@ 280 280 Ex2: 0x0B49 = 2889mV 281 281 282 282 283 -=== 2.3.2DS18B20 Temperature sensor ===345 +==== (% style="color:blue" %)**DS18B20 Temperature sensor**(%%) ==== 284 284 285 285 286 286 This is optional, user can connect external DS18B20 sensor to the +3.3v, 1-wire and GND pin . and this field will report temperature. ... ... @@ -293,7 +293,7 @@ 293 293 If payload is: FF3FH : (FF3F & FC00 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees. 294 294 295 295 296 -=== 2.3.3Distance ===358 +==== (% style="color:blue" %)**Distance**(%%) ==== 297 297 298 298 299 299 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. ... ... @@ -304,7 +304,7 @@ 304 304 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. 305 305 306 306 307 -=== 2.3.4Distance signal strength ===369 +==== (% style="color:blue" %)**Distance signal strength**(%%) ==== 308 308 309 309 310 310 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. ... ... @@ -317,12 +317,12 @@ 317 317 Customers can judge whether they need to adjust the environment based on the signal strength. 318 318 319 319 320 -=== 2.3.5Interrupt Pin ===382 +==== (% style="color:blue" %)**Interrupt Pin & Interrupt Level**(%%) ==== 321 321 322 322 323 323 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. 324 324 325 -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"]]. 326 326 327 327 **Example:** 328 328 ... ... @@ -331,7 +331,7 @@ 331 331 0x01: Interrupt Uplink Packet. 332 332 333 333 334 -=== 2.3.6LiDAR temp ===396 +==== (% style="color:blue" %)**LiDAR temp**(%%) ==== 335 335 336 336 337 337 Characterize the internal temperature value of the sensor. ... ... @@ -341,7 +341,7 @@ 341 341 If payload is: F2(H) <<24>>24=-14(D),LiDAR temp=-14℃. 342 342 343 343 344 -=== 2.3.7Message Type ===406 +==== (% style="color:blue" %)**Message Type**(%%) ==== 345 345 346 346 347 347 ((( ... ... @@ -357,9 +357,72 @@ 357 357 |(% style="width:160px" %)0x01|(% style="width:163px" %)Normal Uplink|(% style="width:173px" %)[[Normal Uplink Payload>>||anchor="H2.3200BUplinkPayload"]] 358 358 |(% style="width:160px" %)0x02|(% style="width:163px" %)Reply configures info|(% style="width:173px" %)[[Configure Info Payload>>||anchor="H3.ConfigureLDS12-LB"]] 359 359 360 -=== 2.3.8 Decode payload in The Things Network === 361 361 423 +=== 2.3.3 Historical Water Flow Status, FPORT~=3 === 362 362 425 +LDS12-LB stores sensor values and users can retrieve these history values via the [[downlink command>>url:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/SW3L-LB_LoRaWAN_Flow_Sensor_User_Manual/#H2.5DatalogFeature]]. 426 + 427 +The historical payload includes one or multiplies entries and every entry has the same payload as Real-Time water flow status. 428 + 429 + 430 +* ((( 431 +Each data entry is 11 bytes and has the same structure as [[real time water flow status>>url:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/SW3L-LB_LoRaWAN_Flow_Sensor_User_Manual/#H2.3.3A0WaterFlowValue2CUplinkFPORT3D2]], to save airtime and battery, LDS12-LB will send max bytes according to the current DR and Frequency bands. 432 +))) 433 + 434 +For example, in the US915 band, the max payload for different DR is: 435 + 436 +**a) DR0:** max is 11 bytes so one entry of data 437 + 438 +**b) DR1:** max is 53 bytes so devices will upload 4 entries of data (total 44 bytes) 439 + 440 +**c) DR2:** total payload includes 11 entries of data 441 + 442 +**d) DR3:** total payload includes 22 entries of data. 443 + 444 +If LDS12-LB doesn't have any data in the polling time. It will uplink 11 bytes of 0 445 + 446 + 447 +**Downlink:** 448 + 449 +0x31 64 CC 68 0C 64 CC 69 74 05 450 + 451 +[[image:image-20230805144936-2.png||height="113" width="746"]] 452 + 453 +**Uplink:** 454 + 455 +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 456 + 457 + 458 +**Parsed Value:** 459 + 460 +[DISTANCE , DISTANCE_SIGNAL_STRENGTH,LIDAR_TEMP,EXTI_STATUS , EXTI_FLAG , TIME] 461 + 462 + 463 +[360,176,30,High,True,2023-08-04 02:53:00], 464 + 465 +[355,168,30,Low,False,2023-08-04 02:53:29], 466 + 467 +[245,211,30,Low,False,2023-08-04 02:54:29], 468 + 469 +[57,700,30,Low,False,2023-08-04 02:55:29], 470 + 471 +[361,164,30,Low,True,2023-08-04 02:56:00], 472 + 473 +[337,184,30,Low,False,2023-08-04 02:56:40], 474 + 475 +[20,4458,30,Low,False,2023-08-04 02:57:40], 476 + 477 +[362,173,30,Low,False,2023-08-04 02:58:53], 478 + 479 + 480 +History read from serial port: 481 + 482 +[[image:image-20230805145056-3.png]] 483 + 484 + 485 +=== 2.3.3 Decode payload in The Things Network === 486 + 487 + 363 363 While using TTN network, you can add the payload format to decode the payload. 364 364 365 365 [[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"]] ... ... @@ -374,15 +374,9 @@ 374 374 ))) 375 375 376 376 377 -== 2.4 Uplink Interval==502 +== 2.4 Show Data in DataCake IoT Server == 378 378 379 379 380 -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"]] 381 - 382 - 383 -== 2.5 Show Data in DataCake IoT Server == 384 - 385 - 386 386 ((( 387 387 [[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: 388 388 ))) ... ... @@ -415,13 +415,13 @@ 415 415 [[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"]] 416 416 417 417 418 -== 2. 6Datalog Feature ==537 +== 2.5 Datalog Feature == 419 419 420 420 421 421 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. 422 422 423 423 424 -=== 2. 6.1 Ways to get datalog via LoRaWAN ===543 +=== 2.5.1 Ways to get datalog via LoRaWAN === 425 425 426 426 427 427 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. ... ... @@ -438,7 +438,7 @@ 438 438 [[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"]] 439 439 440 440 441 -=== 2. 6.2 Unix TimeStamp ===560 +=== 2.5.2 Unix TimeStamp === 442 442 443 443 444 444 LDS12-LB uses Unix TimeStamp format based on ... ... @@ -455,7 +455,7 @@ 455 455 So, we can use AT+TIMESTAMP=1611889405 or downlink 3060137afd00 to set the current time 2021 – Jan ~-~- 29 Friday 03:03:25 456 456 457 457 458 -=== 2. 6.3 Set Device Time ===577 +=== 2.5.3 Set Device Time === 459 459 460 460 461 461 User need to set (% style="color:blue" %)**SYNCMOD=1**(%%) to enable sync time via MAC command. ... ... @@ -465,13 +465,13 @@ 465 465 (% 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.** 466 466 467 467 468 -=== 2. 6.4 Poll sensor value ===587 +=== 2.5.4 Poll sensor value === 469 469 470 470 471 471 Users can poll sensor values based on timestamps. Below is the downlink command. 472 472 473 473 (% border="1" cellspacing="5" style="background-color:#f2f2f2; width:425.818px" %) 474 -|(% colspan="4" style="background-color:# d9e2f3; color:#0070c0; width:423px" %)**Downlink Command to poll Open/Close status (0x31)**593 +|(% colspan="4" style="background-color:#4f81bd; color:white; width:423px" %)**Downlink Command to poll Open/Close status (0x31)** 475 475 |(% style="width:58px" %)**1byte**|(% style="width:127px" %)**4bytes**|(% style="width:124px" %)**4bytes**|(% style="width:114px" %)**1byte** 476 476 |(% style="width:58px" %)31|(% style="width:127px" %)Timestamp start|(% style="width:124px" %)Timestamp end|(% style="width:114px" %)Uplink Interval 477 477 ... ... @@ -492,7 +492,7 @@ 492 492 ))) 493 493 494 494 495 -== 2. 7Frequency Plans ==614 +== 2.6 Frequency Plans == 496 496 497 497 498 498 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. ... ... @@ -500,9 +500,9 @@ 500 500 [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20Frequency%20Band/>>http://wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20Frequency%20Band/]] 501 501 502 502 503 -== 2. 8LiDAR ToF Measurement ==622 +== 2.7 LiDAR ToF Measurement == 504 504 505 -=== 2. 8.1 Principle of Distance Measurement ===624 +=== 2.7.1 Principle of Distance Measurement === 506 506 507 507 508 508 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. ... ... @@ -510,7 +510,7 @@ 510 510 [[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"]] 511 511 512 512 513 -=== 2. 8.2 Distance Measurement Characteristics ===632 +=== 2.7.2 Distance Measurement Characteristics === 514 514 515 515 516 516 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: ... ... @@ -535,10 +535,8 @@ 535 535 Vertical Coordinates: Represents the radius of light spot for The LiDAR probe at different distances. The diameter of light spot depends on the FOV of The LiDAR probe (the term of FOV generally refers to the smaller value between the receiving angle and the transmitting angle), which is calculated as follows: 536 536 ))) 537 537 538 - 539 539 [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LLDS12-LoRaWAN%20LiDAR%20ToF%20Distance%20Sensor%20User%20Manual/WebHome/1654831797521-720.png?rev=1.1||alt="1654831797521-720.png"]] 540 540 541 - 542 542 ((( 543 543 In the formula above, d is the diameter of light spot; D is detecting range; β is the value of the receiving angle of The LiDAR probe, 3.6°. Correspondence between the diameter of light spot and detecting range is given in Table below. 544 544 ))) ... ... @@ -550,7 +550,7 @@ 550 550 ))) 551 551 552 552 553 -=== 2. 8.3 Notice of usage ===670 +=== 2.7.3 Notice of usage === 554 554 555 555 556 556 Possible invalid /wrong reading for LiDAR ToF tech: ... ... @@ -560,10 +560,9 @@ 560 560 * The LiDAR probe is cover by dirty things; the reading might be wrong. In this case, need to clean the probe. 561 561 * The sensor window is made by Acrylic. Don't touch it with alcohol material. This will destroy the sensor window. 562 562 680 +=== 2.7.4 Reflectivity of different objects === 563 563 564 -=== 2.8.4 Reflectivity of different objects === 565 565 566 - 567 567 (% border="1" cellspacing="5" style="background-color:#f2f2f2; width:379px" %) 568 568 |=(% 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 569 569 |(% style="width:53px" %)1|(% style="width:229px" %)Black foam rubber|(% style="width:93px" %)2.4% ... ... @@ -587,7 +587,6 @@ 587 587 |(% style="width:53px" %)17|(% style="width:229px" %)stainless steel|(% style="width:93px" %)200% 588 588 |(% style="width:53px" %)18|(% style="width:229px" %)Reflector plate, reflective tape|(% style="width:93px" %)>300% 589 589 590 - 591 591 = 3. Configure LDS12-LB = 592 592 593 593 == 3.1 Configure Methods == ... ... @@ -601,7 +601,6 @@ 601 601 602 602 * LoRaWAN Downlink. Instruction for different platforms: See [[IoT LoRaWAN Server>>http://wiki.dragino.com/xwiki/bin/view/Main/]] section. 603 603 604 - 605 605 == 3.2 General Commands == 606 606 607 607 ... ... @@ -662,6 +662,9 @@ 662 662 ))) 663 663 * ((( 664 664 Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds 779 + 780 + 781 + 665 665 ))) 666 666 667 667 === 3.3.2 Set Interrupt Mode === ... ... @@ -698,85 +698,35 @@ 698 698 699 699 * Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger 700 700 818 +=== 3.3.3 Set Power Output Duration === 701 701 820 +Control the output duration 3V3(pin of VBAT_OUT) . Before each sampling, device will 702 702 703 - === 3.3.3 GetFirmwareVersionInfo===822 +~1. first enable the power output to external sensor, 704 704 824 +2. keep it on as per duration, read sensor value and construct uplink payload 705 705 706 - Feature:use downlinktogetfirmwareversion.826 +3. final, close the power output. 707 707 708 -(% style="color:blue" %)** DownlinkCommand:0x26**828 +(% style="color:blue" %)**AT Command: AT+3V3T** 709 709 710 -(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:492px" %) 711 -|(% 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)** 712 -|(% style="width:191px" %)Get Firmware Version Info|(% style="width:57px" %)Any|(% style="width:91px" %)26|(% style="width:151px" %)2 830 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %) 831 +|=(% 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** 832 +|(% style="width:154px" %)AT+3V3T=?|(% style="width:196px" %)Show 3V3 open time.|(% style="width:157px" %)0 (default) 833 +OK 834 +|(% style="width:154px" %)AT+3V3T=1000|(% style="width:196px" %)Close after a delay of 1000 milliseconds.|(% style="width:157px" %)OK 835 +|(% style="width:154px" %)AT+3V3T=0|(% style="width:196px" %)Always turn on the power supply of 3V3 pin.|(% style="width:157px" %)OK 836 +|(% 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 - *Reply totheconfirmationpackage:2601715 - * Reply tonon-confirmedpacket:2600838 +(% style="color:blue" %)**Downlink Command: 0x07**(%%) 839 +Format: Command Code (0x07) followed by 3 bytes. 716 716 717 - Devicewillsend anuplinkaftergot thisdownlinkcommand.With below payload:841 +The first byte is 01,the second and third bytes are the time to turn on. 718 718 719 -Configures info payload: 843 +* Example 1: Downlink Payload: 07 01 00 00 **~-~-->** AT+3V3T=0 844 +* Example 2: Downlink Payload: 07 01 01 F4 **~-~-->** AT+3V3T=500 845 +* Example 3: Downlink Payload: 07 01 FF FF **~-~-->** AT+3V3T=65535 720 720 721 -(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:510px" %) 722 -|=(% style="background-color:#4F81BD;color:white" %)((( 723 -**Size(bytes)** 724 -)))|=(% 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** 725 -|**Value**|Software Type|((( 726 -Frequency Band 727 -)))|Sub-band|((( 728 -Firmware Version 729 -)))|Sensor Type|Reserve|((( 730 -[[Message Type>>||anchor="H2.3.7MessageType"]] 731 -Always 0x02 732 -))) 733 - 734 -(% style="color:#037691" %)**Software Type**(%%): Always 0x03 for LLDS12 735 - 736 -(% style="color:#037691" %)**Frequency Band**: 737 - 738 -*0x01: EU868 739 - 740 -*0x02: US915 741 - 742 -*0x03: IN865 743 - 744 -*0x04: AU915 745 - 746 -*0x05: KZ865 747 - 748 -*0x06: RU864 749 - 750 -*0x07: AS923 751 - 752 -*0x08: AS923-1 753 - 754 -*0x09: AS923-2 755 - 756 -*0xa0: AS923-3 757 - 758 - 759 -(% style="color:#037691" %)**Sub-Band**(%%): value 0x00 ~~ 0x08 760 - 761 -(% style="color:#037691" %)**Firmware Version**(%%): 0x0100, Means: v1.0.0 version 762 - 763 -(% style="color:#037691" %)**Sensor Type**: 764 - 765 -0x01: LSE01 766 - 767 -0x02: LDDS75 768 - 769 -0x03: LDDS20 770 - 771 -0x04: LLMS01 772 - 773 -0x05: LSPH01 774 - 775 -0x06: LSNPK01 776 - 777 -0x07: LLDS12 778 - 779 - 780 780 = 4. Battery & Power Consumption = 781 781 782 782 ... ... @@ -805,7 +805,6 @@ 805 805 806 806 * 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]]**. 807 807 808 - 809 809 = 6. FAQ = 810 810 811 811 == 6.1 What is the frequency plan for LDS12-LB? ==
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