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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... ... @@ -60,8 +60,6 @@ 60 60 * ToF FoV: ±9°, Total 18° 61 61 * Light source: VCSEL 62 62 63 - 64 - 65 65 == 1.4 Power Consumption == 66 66 67 67 ... ... @@ -75,8 +75,6 @@ 75 75 * Idle: 21 mA @ 3.3v 76 76 * Max : 360 mA 77 77 78 - 79 - 80 80 = 2. Configure DS20L to connect to LoRaWAN network = 81 81 82 82 == 2.1 How it works == ... ... @@ -128,6 +128,7 @@ 128 128 129 129 (% style="color:blue" %)**Step 2:**(%%) Activate on DS20L 130 130 127 +[[image:image-20231128133704-1.png||height="189" width="441"]] 131 131 132 132 Press the button for 5 seconds to activate the DS20L. 133 133 ... ... @@ -153,9 +153,9 @@ 153 153 154 154 Example parse in TTNv3 155 155 156 -[[image: image-20230805103904-1.png||height="131" width="711"]]153 +[[image:1701149922873-259.png]] 157 157 158 -(% style="color:blue" %)**Sensor Model**(%%): For DS20L, this value is 0x2 4155 +(% style="color:blue" %)**Sensor Model**(%%): For DS20L, this value is 0x21 159 159 160 160 (% style="color:blue" %)**Firmware Version**(%%): 0x0100, Means: v1.0.0 version 161 161 ... ... @@ -209,219 +209,120 @@ 209 209 === 2.3.2 Uplink Payload, FPORT~=2 === 210 210 211 211 212 -((( 213 -DS20L will send this uplink **after** Device Status once join the LoRaWAN network successfully. And DS20L will: 209 +==== (% style="color:red" %)**MOD~=1**(%%) ==== 214 214 215 - periodically send thisuplinkevery20minutes, thisinterval [[can bechanged>>||anchor="H3.3.1SetTransmitIntervalTime"]].211 +Regularly detect distance and report. When the distance exceeds the limit, the alarm flag is set to 1, and the report can be triggered by external interrupts. 216 216 217 -Uplink Payload totals 11 bytes. 218 -))) 213 +Uplink Payload totals 10 bytes. 219 219 220 220 (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %) 221 -|=(% style="width: 60px;background-color:#4F81BD;color:white" %)((( 222 -**Size(bytes)** 223 -)))|=(% 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** 224 -|(% style="width:62.5px" %)Value|(% style="width:62.5px" %)[[BAT>>||anchor="HBatteryInfo"]]|(% style="width:62.5px" %)((( 225 -[[Temperature DS18B20>>||anchor="HDS18B20Temperaturesensor"]] 226 -)))|[[Distance>>||anchor="HDistance"]]|[[Distance signal strength>>||anchor="HDistancesignalstrength"]]|(% style="width:122px" %)((( 227 -[[Interrupt flag & Interrupt_level>>||anchor="HInterruptPin26A0InterruptLevel"]] 228 -)))|(% style="width:54px" %)[[LiDAR temp>>||anchor="HLiDARtemp"]]|(% style="width:96px" %)((( 229 -[[Message Type>>||anchor="HMessageType"]] 230 -))) 216 +|(% style="background-color:#4f81bd; color:white; width:60px" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white; width:30px" %)**2**|(% style="background-color:#4f81bd; color:white; width:130px" %)**1**|(% style="background-color:#4f81bd; color:white; width:70px" %)**2**|(% style="background-color:#4f81bd; color:white; width:100px" %)**1**|(% style="background-color:#4f81bd; color:white; width:120px" %)**4** 217 +|(% style="width:91px" %)Value|(% style="width:41px" %)BAT|(% style="width:176px" %)MOD+ Alarm+Interrupt|(% style="width:74px" %)Distance|(% style="width:100px" %)Sensor State|(% style="width:119px" %)Interrupt Count 231 231 232 -[[image: image-20230805104104-2.png||height="136" width="754"]]219 +[[image:1701155076393-719.png]] 233 233 221 +(% style="color:blue" %)**Battery Info:** 234 234 235 - ====(% style="color:blue"%)**BatteryInfo**(%%)====223 +Check the battery voltage for DS20L 236 236 225 +Ex1: 0x0E10 = 3600mV 237 237 238 -Check the battery voltage for DS20L. 239 239 240 - Ex1:0x0B45=2885mV228 +(% style="color:blue" %)**MOD & Alarm & Interrupt:** 241 241 242 - Ex2:0x0B49=2889mV230 +(% style="color:red" %)**MOD:** 243 243 232 +**Example: ** (0x60>>6) & 0x3f =1 244 244 245 -==== (% style="color:blue" %)**DS18B20 Temperature sensor**(%%) ==== 234 +**0x01:** Regularly detect distance and report. 235 +**0x02: ** Uninterrupted measurement (external power supply). 246 246 237 +(% style="color:red" %)**Alarm:** 247 247 248 - Thisisoptional,user canonnectexternal DS18B20 sensorto the+3.3v,1-wire and GND pin .andthisfieldwillreport temperature.239 +When the detection distance exceeds the limit, the alarm flag is set to 1. 249 249 241 +(% style="color:red" %)**Interrupt:** 250 250 251 - **Example**:243 +Whether it is an external interrupt. 252 252 253 -If payload is: 0105H: (0105 & FC00 == 0), temp = 0105H /10 = 26.1 degree 254 254 255 - Ifpayload is:FF3FH : (FF3F & FC00 == 1),temp= (FF3FH - 65536)/10 = -19.3 degrees.246 +(% style="color:blue" %)**Distance info:** 256 256 257 - 258 -==== (% style="color:blue" %)**Distance**(%%) ==== 259 - 260 - 261 -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. 262 - 263 - 264 264 **Example**: 265 265 266 -If the datayouget from the registeris0x0B0xEA, thedistancebetweenthe sensor and the measured object is0BEA(H)=3050 (D)/10= 305cm.250 +If payload is: 0708H: distance = 0708H = 1800 mm 267 267 268 268 269 - ====(% style="color:blue" %)**Distancesignalstrength**(%%) ====253 +(% style="color:blue" %)**Sensor State:** 270 270 255 +Ex1: 0x00: Normal collection distance 271 271 272 - Refersto the signal strength, the default output value will be between0-65535. When the distance measurement gear is fixed,the farther the distancemeasurement is, the lower the signalstrength; thelower the target reflectivity, the lower the signalstrength. When Strengthisgreater than 100 and not equal to 65535, the measured value of Dist is considered credible.257 +Ex2 0x0x: Distance collection is wrong 273 273 274 274 275 - **Example**:260 +(% style="color:blue" %)**Interript Count:** 276 276 277 -If payload is: 1D7(H)=471(D),distance signal strength=471,471>100,471≠65535, the measured value ofDistis considered credible.262 +If payload is:000007D0H: count = 07D0H =2000 278 278 279 -Customers can judge whether they need to adjust the environment based on the signal strength. 280 280 281 281 282 - **1)Whenthesensor detects validdata:**266 +==== (% style="color:red" %)**MOD~=2**(%%)** ** ==== 283 283 284 - [[image:image-20230805155335-1.png||height="145"width="724"]]268 +Uninterrupted measurement. When the distance exceeds the limit, the output IO is set high and reports are reported every five minutes. The time can be set and powered by an external power supply.Uplink Payload totals 11bytes. 285 285 286 - 287 -**2) When the sensor detects invalid data:** 288 - 289 -[[image:image-20230805155428-2.png||height="139" width="726"]] 290 - 291 - 292 -**3) When the sensor is not connected:** 293 - 294 -[[image:image-20230805155515-3.png||height="143" width="725"]] 295 - 296 - 297 -==== (% style="color:blue" %)**Interrupt Pin & Interrupt Level**(%%) ==== 298 - 299 - 300 -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. 301 - 302 -Note: The Internet Pin is a separate pin in the screw terminal. See pin mapping of GPIO_EXTI . 303 - 304 -**Example:** 305 - 306 -If byte[0]&0x01=0x00 : Normal uplink packet. 307 - 308 -If byte[0]&0x01=0x01 : Interrupt Uplink Packet. 309 - 310 - 311 -==== (% style="color:blue" %)**LiDAR temp**(%%) ==== 312 - 313 - 314 -Characterize the internal temperature value of the sensor. 315 - 316 -**Example: ** 317 -If payload is: 1C(H) <<24>>24=28(D),LiDAR temp=28℃. 318 -If payload is: F2(H) <<24>>24=-14(D),LiDAR temp=-14℃. 319 - 320 - 321 -==== (% style="color:blue" %)**Message Type**(%%) ==== 322 - 323 - 324 -((( 325 -For a normal uplink payload, the message type is always 0x01. 326 -))) 327 - 328 -((( 329 -Valid Message Type: 330 -))) 331 - 332 -(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:499px" %) 333 -|=(% style="width: 161px;background-color:#4F81BD;color:white" %)**Message Type Code**|=(% style="width: 164px;background-color:#4F81BD;color:white" %)**Description**|=(% style="width: 174px;background-color:#4F81BD;color:white" %)**Payload** 334 -|(% style="width:160px" %)0x01|(% style="width:163px" %)Normal Uplink|(% style="width:173px" %)Normal Uplink Payload 335 -|(% style="width:160px" %)0x02|(% style="width:163px" %)Reply configures info|(% style="width:173px" %)Configure Info Payload 336 - 337 -[[image:image-20230805150315-4.png||height="233" width="723"]] 338 - 339 - 340 -=== 2.3.3 Historical measuring distance, FPORT~=3 === 341 - 342 - 343 -DS20L stores sensor values and users can retrieve these history values via the [[downlink command>>||anchor="H2.5.4Pollsensorvalue"]]. 344 - 345 -The historical payload includes one or multiplies entries and every entry has the same payload as Real-Time measuring distance. 346 - 347 347 (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %) 348 -|=(% style="width: 60px;background-color:#4F81BD;color:white" %)((( 349 -**Size(bytes)** 350 -)))|=(% style="width: 80px;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:#4F81BD; color: white; width: 85px;" %)**1**|=(% style="background-color: #4F81BD; color: white; width: 85px;" %)4 351 -|(% style="width:62.5px" %)Value|(% style="width:62.5px" %)Interrupt flag & Interrupt_level|(% style="width:62.5px" %)((( 352 -Reserve(0xFF) 353 -)))|Distance|Distance signal strength|(% style="width:88px" %)((( 354 -LiDAR temp 355 -)))|(% style="width:85px" %)Unix TimeStamp 271 +|(% style="background-color:#4f81bd; color:white; width:70px" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white; width:40px" %)**2**|(% style="background-color:#4f81bd; color:white; width:130px" %)**1**|(% style="background-color:#4f81bd; color:white; width:130px" %)**4**|(% style="background-color:#4f81bd; color:white; width:70px" %)**2**|(% style="background-color:#4f81bd; color:white; width:70px" %)**2** 272 +|(% style="width:91px" %)Value|(% style="width:41px" %)BAT|(% style="width:176px" %)MOD+Alarm+Do+Limit flag|(% style="width:74px" %)Distance Limit Alarm count|(% style="width:100px" %)Upper limit|(% style="width:119px" %)Lower limit 356 356 357 - **Interrupt flag& Interrupt level:**274 +[[image:1701155150328-206.png]] 358 358 359 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:480px" %) 360 -|=(% style="width: 60px;background-color:#4F81BD;color:white" %)((( 361 -**Size(bit)** 362 -)))|=(% style="width: 90px;background-color:#4F81BD;color:white" %)**bit7**|=(% style="width: 90px;background-color:#4F81BD;color:white" %)**bit6**|=(% style="width: 60px;background-color:#4F81BD;color:white" %)**[bit5:bit2]**|=(% style="width: 90px; background-color: #4F81BD; color: white;" %)**bit1**|=(% style="background-color: #4F81BD; color: white; width: 90px;" %)**bit0** 363 -|(% 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" %)((( 364 -Interrupt flag 365 -))) 276 +(% style="color:blue" %)**MOD & Alarm & Do & Limit flag:** 366 366 367 -* ((( 368 -Each data entry is 11 bytes and has the same structure as [[Uplink Payload>>||anchor="H2.3.2UplinkPayload2CFPORT3D2"]], to save airtime and battery, DS20L will send max bytes according to the current DR and Frequency bands. 369 -))) 278 +(% style="color:red" %)**MOD:** 370 370 371 - For example,inthe US915 band, the maxpayloadfordifferent DR is:280 +**Example: ** (0x60>>6) & 0x3f =1 372 372 373 -**a) DR0:** max is 11 bytes so one entry of data 282 +**0x01:** Regularly detect distance and report. 283 +**0x02: ** Uninterrupted measurement (external power supply). 374 374 375 - **b)DR1:** max is53 bytes so devices will upload 4 entries ofdata(total 44 bytes)285 +(% style="color:red" %)**Alarm:** 376 376 377 - **c)DR2:**totalpayload includes11entriesofdata287 +When the detection distance exceeds the limit, the alarm flag is set to 1. 378 378 379 - **d)DR3:**total payload includes 22 entriesof data.289 +(% style="color:red" %)**Do:** 380 380 381 - If DS20L doesn'thave anydatainthe pollingtime.Itwill uplink11 bytes of 0291 +When the distance exceeds the set threshold, pull the Do pin high. 382 382 293 +(% style="color:red" %)**Limit flag:** 383 383 384 - **Downlink:**295 +Mode for setting threshold: 0~~5 385 385 386 -0 x3164CC680C64CC69 74 05297 +0: does not use upper and lower limits 387 387 388 - [[image:image-20230805144936-2.png||height="113"width="746"]]299 +1: Use upper and lower limits 389 389 390 - **Uplink:**301 +2: is less than the lower limit value 391 391 392 - 43FF0E1000B01E64 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 6D303 +3: is greater than the lower limit value 393 393 305 +4: is less than the upper limit 394 394 395 - **ParsedValue:**307 +5: is greater than the upper limit 396 396 397 -[DISTANCE , DISTANCE_SIGNAL_STRENGTH,LIDAR_TEMP,EXTI_STATUS , EXTI_FLAG , TIME] 398 398 310 +(% style="color:blue" %)**Upper limit:** 399 399 400 - [360,176,30,High,True,2023-08-0402:53:00],312 +The upper limit of the threshold cannot exceed 2000mm. 401 401 402 -[355,168,30,Low,False,2023-08-04 02:53:29], 403 403 404 - [245,211,30,Low,False,2023-08-0402:54:29],315 +(% style="color:blue" %)**Lower limit:** 405 405 406 - [57,700,30,Low,False,2023-08-0402:55:29],317 +The lower limit of the threshold cannot be less than 3mm. 407 407 408 -[361,164,30,Low,True,2023-08-04 02:56:00], 409 409 410 - [337,184,30,Low,False,2023-08-0402:56:40],320 +=== 2.3.3 Decode payload in The Things Network === 411 411 412 -[20,4458,30,Low,False,2023-08-04 02:57:40], 413 413 414 -[362,173,30,Low,False,2023-08-04 02:58:53], 415 - 416 - 417 -**History read from serial port:** 418 - 419 -[[image:image-20230805145056-3.png]] 420 - 421 - 422 -=== 2.3.4 Decode payload in The Things Network === 423 - 424 - 425 425 While using TTN network, you can add the payload format to decode the payload. 426 426 427 427 [[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"]] ... ... @@ -468,90 +468,18 @@ 468 468 469 469 After added, the sensor data arrive TTN V3, it will also arrive and show in Datacake. 470 470 471 -[[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"]]369 +[[image:image-20231129085201-1.png||height="515" width="961"]] 472 472 473 473 474 -== 2.5 DatalogFeature ==372 +== 2.5 Frequency Plans == 475 475 476 476 477 -Datalog Feature is to ensure IoT Server can get all sampling data from Sensor even if the LoRaWAN network is down. For each sampling, DS20L will store the reading for future retrieving purposes. 478 - 479 - 480 -=== 2.5.1 Ways to get datalog via LoRaWAN === 481 - 482 - 483 -Set PNACKMD=1, DS20L will wait for ACK for every uplink, when there is no LoRaWAN network, DS20L 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. 484 - 485 -* ((( 486 -a) DS20L will do an ACK check for data records sending to make sure every data arrive server. 487 -))) 488 -* ((( 489 -b) DS20L will send data in **CONFIRMED Mode** when PNACKMD=1, but DS20L won't re-transmit the packet if it doesn't get ACK, it will just mark it as a NONE-ACK message. In a future uplink if DS20L gets a ACK, DS20L will consider there is a network connection and resend all NONE-ACK messages. 490 -))) 491 - 492 -=== 2.5.2 Unix TimeStamp === 493 - 494 - 495 -DS20L uses Unix TimeStamp format based on 496 - 497 -[[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-20220523001219-11.png?width=627&height=97&rev=1.1||alt="图片-20220523001219-11.png" height="97" width="627"]] 498 - 499 -User can get this time from link: [[https:~~/~~/www.epochconverter.com/>>url:https://www.epochconverter.com/]] : 500 - 501 -Below is the converter example 502 - 503 -[[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-20220523001219-12.png?width=720&height=298&rev=1.1||alt="图片-20220523001219-12.png" height="298" width="720"]] 504 - 505 - 506 -So, we can use AT+TIMESTAMP=1611889405 or downlink 3060137afd00 to set the current time 2021 – Jan ~-~- 29 Friday 03:03:25 507 - 508 - 509 -=== 2.5.3 Set Device Time === 510 - 511 - 512 -User need to set (% style="color:blue" %)**SYNCMOD=1**(%%) to enable sync time via MAC command. 513 - 514 -Once DS20L Joined LoRaWAN network, it will send the MAC command (DeviceTimeReq) and the server will reply with (DeviceTimeAns) to send the current time to DS20L. If DS20L fails to get the time from the server, DS20L will use the internal time and wait for next time request (AT+SYNCTDC to set the time request period, default is 10 days). 515 - 516 -(% 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.** 517 - 518 - 519 -=== 2.5.4 Poll sensor value === 520 - 521 - 522 -Users can poll sensor values based on timestamps. Below is the downlink command. 523 - 524 -(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:425.818px" %) 525 -|(% colspan="4" style="background-color:#4f81bd; color:white; width:423px" %)**Downlink Command to poll Open/Close status (0x31)** 526 -|(% style="width:58px" %)**1byte**|(% style="width:127px" %)**4bytes**|(% style="width:124px" %)**4bytes**|(% style="width:114px" %)**1byte** 527 -|(% style="width:58px" %)31|(% style="width:127px" %)Timestamp start|(% style="width:124px" %)Timestamp end|(% style="width:114px" %)Uplink Interval 528 - 529 -((( 530 -Timestamp start and Timestamp end-use Unix TimeStamp format as mentioned above. Devices will reply with all data logs during this period, using the uplink interval. 531 -))) 532 - 533 -((( 534 -For example, downlink command [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/CPL01%20LoRaWAN%20Outdoor%20PulseContact%20%20Sensor%20Manual/WebHome/image-20220518162852-1.png?rev=1.1||alt="image-20220518162852-1.png"]] 535 -))) 536 - 537 -((( 538 -Is to check 2021/11/12 12:00:00 to 2021/11/12 15:00:00's data 539 -))) 540 - 541 -((( 542 -Uplink Internal =5s,means DS20L will send one packet every 5s. range 5~~255s. 543 -))) 544 - 545 - 546 -== 2.6 Frequency Plans == 547 - 548 - 549 549 The DS20L 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. 550 550 551 551 [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20Frequency%20Band/>>http://wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20Frequency%20Band/]] 552 552 553 553 554 -3. Configure DS20L 380 += 3. Configure DS20L = 555 555 556 556 == 3.1 Configure Methods == 557 557 ... ... @@ -623,7 +623,7 @@ 623 623 Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds 624 624 ))) 625 625 * ((( 626 -Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds 452 +Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds 627 627 628 628 629 629 ... ... @@ -646,7 +646,7 @@ 646 646 the mode is 0 =Disable Interrupt 647 647 ))) 648 648 |(% style="width:154px" %)((( 649 -AT+INTMOD= 2475 +AT+INTMOD=3 650 650 651 651 (default) 652 652 )))|(% style="width:196px" %)((( ... ... @@ -667,6 +667,104 @@ 667 667 668 668 * Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger 669 669 496 +== 3.3.3 Set work mode == 497 + 498 + 499 +Feature: Switch working mode 500 + 501 +(% style="color:blue" %)**AT Command: AT+MOD** 502 + 503 +(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:510px" %) 504 +|=(% style="width: 162px;background-color:#4F81BD;color:white" %)**Command Example**|=(% style="width: 193px;background-color:#4F81BD;color:white" %)**Function**|=(% style="width: 155px;background-color:#4F81BD;color:white" %)**Response** 505 +|(% style="width:162px" %)AT+MOD=?|(% style="width:191px" %)Get the current working mode.|(% style="width:106px" %)OK 506 +|(% style="width:162px" %)AT+MOD=1|(% style="width:191px" %)Set the working mode to Regular measurements.|(% style="width:106px" %)((( 507 +OK 508 +Attention:Take effect after ATZ 509 +))) 510 + 511 +(% style="color:blue" %)**Downlink Command:** 512 + 513 +* **Example: **0x0A00 ~/~/ Same as AT+MOD=0 514 + 515 +* **Example:** 0x0A01 ~/~/ Same as AT+MOD=1 516 + 517 +=== 3.3.4 Set threshold and threshold mode === 518 + 519 + 520 +Feature, Set threshold and threshold mode 521 + 522 +When (% style="color:#037691" %)**AT+DOL=0,0,0,0,400**(%%) is set, No threshold is used, the sampling time is 400ms. 523 + 524 +(% style="color:blue" %)**AT Command: AT+DOL** 525 + 526 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %) 527 +|(% style="background-color:#4f81bd; color:white; width:162px" %)**Command Example**|(% style="background-color:#4f81bd; color:white; width:240px" %)**Function**|(% style="background-color:#4f81bd; color:white; width:108px" %)**Response** 528 +|(% style="width:172px" %)AT+ DOL =?|(% style="width:279px" %)Get the current threshold mode and sampling time|(% style="width:118px" %)((( 529 +0,0,0,0,400 530 +OK 531 +))) 532 +|(% style="width:172px" %)AT+ DOL =1,1800,100,0,400|(% style="width:279px" %)Set only the upper and lower thresholds|(% style="width:118px" %)OK 533 + 534 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %) 535 +|(% rowspan="11" style="color:blue; width:120px" %)**AT+DOL=5,1800,0,0,400**|(% rowspan="6" style="width:240px" %)The first bit sets the limit mode|(% style="width:150px" %)0: Do not use upper and lower limits 536 +|(% style="width:251px" %)1: Use upper and lower limits 537 +|(% style="width:251px" %)2: Less than the lower limit 538 +|(% style="width:251px" %)3: Greater than the lower limit 539 +|(% style="width:251px" %)4: Less than the upper limit 540 +|(% style="width:251px" %)5: Greater than the upper limit 541 +|(% style="width:226px" %)The second bit sets the upper limit value|(% style="width:251px" %)3~~2000MM 542 +|(% style="width:226px" %)The third bit sets the lower limit value|(% style="width:251px" %)3~~2000MM 543 +|(% rowspan="2" style="width:226px" %)The fourth bit sets the over-limit alarm or person or object count.|(% style="width:251px" %)0 Over-limit alarm, DO output is high 544 +|(% style="width:251px" %)1 Person or object counting statistics 545 +|(% style="width:226px" %)The fifth bit sets the sampling time|(% style="width:251px" %)((( 546 +0~~10000ms 547 + 548 + 549 +))) 550 + 551 + 552 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %) 553 +|(% rowspan="11" style="color:blue; width:120px" %)** 554 + 555 + 556 + 557 + 558 + 559 + 560 +AT+DOL=5,1800,0,0,400**|(% rowspan="6" style="width:240px" %)The first bit sets the limit mode|(% style="width:150px" %)0: Do not use upper and lower limits 561 +|(% style="width:251px" %)1: Use upper and lower limits 562 +|(% style="width:251px" %)2: Less than the lower limit 563 +|(% style="width:251px" %)3: Greater than the lower limit 564 +|(% style="width:251px" %)4: Less than the upper limit 565 +|(% style="width:251px" %)5: Greater than the upper limit 566 +|(% style="width:226px" %)The second bit sets the upper limit value|(% style="width:251px" %)3~~2000MM 567 +|(% style="width:226px" %)The third bit sets the lower limit value|(% style="width:251px" %)3~~2000MM 568 +|(% rowspan="2" style="width:226px" %)The fourth bit sets the over-limit alarm or person or object count.|(% style="width:251px" %)0 Over-limit alarm, DO output is high 569 +|(% style="width:251px" %)1 Person or object counting statistics 570 +|(% style="width:226px" %)The fifth bit sets the sampling time|(% style="width:251px" %)((( 571 +0~~10000ms 572 + 573 + 574 +))) 575 + 576 + 577 + 578 +(% style="color:blue" %)**Downlink Command: 0x07** 579 + 580 +Format: Command Code (0x07) followed by 9bytes. 581 + 582 +* Example 0: Downlink Payload: 070000000000000190 **~-~-->** AT+MOD=0,0,0,0,400 583 + 584 +* Example 1: Downlink Payload: 070107080064000190 **~-~-->** AT+MOD=1,1800,100,0,400 585 + 586 +* Example 2: Downlink Payload: 070200000064000190 **~-~-->** AT+MOD=2,0,100,0,400 587 + 588 +* Example 3: Downlink Payload: 070300000064000190 **~-~-->** AT+MOD=3,1800,100,0,400 589 + 590 +* Example 4: Downlink Payload: 070407080000000190 **~-~-->** AT+MOD=4,0,100,0,400 591 + 592 +* Example 5: Downlink Payload: 070507080000000190 **~-~-->** AT+MOD=5,1800,100,0,400 593 + 670 670 = 4. Battery & Power Consumption = 671 671 672 672 ... ... @@ -703,6 +703,33 @@ 703 703 DS20L use the same frequency as other Dragino products. User can see the detail from this link: [[Introduction>>doc:Main.End Device Frequency Band.WebHome||anchor="H1.Introduction"]] 704 704 705 705 630 +== 6.2 DS20L programming line == 631 + 632 + 633 +缺图 后续补上 634 + 635 +feature: 636 + 637 +for AT commands 638 + 639 +Update the firmware of DS20L 640 + 641 +Support interrupt mode 642 + 643 + 644 +== 6.3 LiDAR probe position == 645 + 646 + 647 +[[image:1701155390576-216.png||height="285" width="307"]] 648 + 649 +The black oval hole in the picture is the LiDAR probe. 650 + 651 + 652 +== 6.4 Interface definition == 653 + 654 +[[image:image-20231128151132-2.png||height="305" width="557"]] 655 + 656 + 706 706 = 7. Trouble Shooting = 707 707 708 708 == 7.1 AT Command input doesn't work ==
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