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Last modified by Mengting Qiu on 2023/12/14 11:15
From version 114.2
edited by Xiaoling
on 2023/11/10 11:30
Change comment: There is no comment for this version
To version 125.1
edited by Xiaoling
on 2023/11/29 08:52
Change comment: Uploaded new attachment "image-20231129085201-1.png", version {1}

Summary

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... ... @@ -22,7 +22,7 @@
22 22  == 1.1 What is LoRaWAN Smart Distance Detector ==
23 23  
24 24  
25 -The Dragino (% style="color:blue" %)**DS20L is a smart distance detector**(%%) base on long-range wireless LoRaWAN technology. It uses (% style="color:blue" %)**LiDAR sensor**(%%) to detect the distance between DS20L and object, then DS20L will send the distance data to the IoT Platform via LoRaWAN.
25 +The Dragino (% style="color:blue" %)**DS20L is a smart distance detector**(%%) base on long-range wireless LoRaWAN technology. It uses (% style="color:blue" %)**LiDAR sensor**(%%) to detect the distance between DS20L and object, then DS20L will send the distance data to the IoT Platform via LoRaWAN. DS20L can measure range between 3cm ~~ 200cm.
26 26  
27 27  DS20L allows users to send data and reach extremely long ranges via LoRaWAN. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current 
28 28  consumption. It targets professional wireless sensor network applications such smart cities, building automation, and so on.
... ... @@ -31,7 +31,6 @@
31 31  
32 32  DS20L is fully compatible with (% style="color:blue" %)**LoRaWAN v1.0.3 Class A protocol**(%%), it can work with a standard LoRaWAN gateway.
33 33  
34 -DS20L supports (% style="color:blue" %)**Datalog feature**(%%). It will record the data when there is no network coverage and users can retrieve the sensor value later to ensure no miss for every sensor reading.
35 35  
36 36  [[image:image-20231110102635-5.png||height="402" width="807"]]
37 37  
... ... @@ -45,7 +45,6 @@
45 45  * AT Commands to change parameters
46 46  * Remotely configure parameters via LoRaWAN Downlink
47 47  * Alarm & Counting mode
48 -* Datalog Feature
49 49  * Firmware upgradable via program port or LoRa protocol
50 50  * Built-in 2400mAh battery or power by external power source
51 51  
... ... @@ -64,10 +64,23 @@
64 64  * ToF FoV: ±9°, Total 18°
65 65  * Light source: VCSEL
66 66  
67 -(% style="display:none" %)
68 68  
69 69  
67 +== 1.4 Power Consumption ==
70 70  
69 +
70 +(% style="color:#037691" %)**Battery Power Mode:**
71 +
72 +* Idle: 0.003 mA @ 3.3v
73 +* Max : 360 mA
74 +
75 +(% style="color:#037691" %)**Continuously mode**:
76 +
77 +* Idle: 21 mA @ 3.3v
78 +* Max : 360 mA
79 +
80 +
81 +
71 71  = 2. Configure DS20L to connect to LoRaWAN network =
72 72  
73 73  == 2.1 How it works ==
... ... @@ -119,6 +119,7 @@
119 119  
120 120  (% style="color:blue" %)**Step 2:**(%%) Activate on DS20L
121 121  
133 +[[image:image-20231128133704-1.png||height="189" width="441"]]
122 122  
123 123  Press the button for 5 seconds to activate the DS20L.
124 124  
... ... @@ -144,9 +144,9 @@
144 144  
145 145  Example parse in TTNv3
146 146  
147 -[[image:image-20230805103904-1.png||height="131" width="711"]]
159 +[[image:1701149922873-259.png]]
148 148  
149 -(% style="color:blue" %)**Sensor Model**(%%): For DS20L, this value is 0x24
161 +(% style="color:blue" %)**Sensor Model**(%%): For DS20L, this value is 0x21
150 150  
151 151  (% style="color:blue" %)**Firmware Version**(%%): 0x0100, Means: v1.0.0 version
152 152  
... ... @@ -200,138 +200,121 @@
200 200  === 2.3.2 Uplink Payload, FPORT~=2 ===
201 201  
202 202  
203 -(((
204 -DS20L will send this uplink **after** Device Status once join the LoRaWAN network successfully. And DS20L will:
215 +==== (% style="color:red" %)**MOD~=1**(%%) ====
205 205  
206 -periodically send this uplink every 20 minutes, this interval [[can be changed>>||anchor="H3.3.1SetTransmitIntervalTime"]].
217 +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.
207 207  
208 -Uplink Payload totals 11 bytes.
209 -)))
219 +Uplink Payload totals 10 bytes.
210 210  
211 211  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
212 -|=(% style="width: 60px;background-color:#4F81BD;color:white" %)(((
213 -**Size(bytes)**
214 -)))|=(% 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**
215 -|(% style="width:62.5px" %)Value|(% style="width:62.5px" %)[[BAT>>||anchor="HBatteryInfo"]]|(% style="width:62.5px" %)(((
216 -[[Temperature DS18B20>>||anchor="HDS18B20Temperaturesensor"]]
217 -)))|[[Distance>>||anchor="HDistance"]]|[[Distance signal strength>>||anchor="HDistancesignalstrength"]]|(% style="width:122px" %)(((
218 -[[Interrupt flag & Interrupt_level>>||anchor="HInterruptPin26A0InterruptLevel"]]
219 -)))|(% style="width:54px" %)[[LiDAR temp>>||anchor="HLiDARtemp"]]|(% style="width:96px" %)(((
220 -[[Message Type>>||anchor="HMessageType"]]
221 -)))
222 +|(% 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**
223 +|(% 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
222 222  
223 -[[image:image-20230805104104-2.png||height="136" width="754"]]
225 +[[image:1701155076393-719.png]]
224 224  
227 +(% style="color:blue" %)**Battery Info:**
225 225  
226 -==== (% style="color:blue" %)**Battery Info**(%%) ====
229 +Check the battery voltage for DS20L
227 227  
231 +Ex1: 0x0E10 = 3600mV
228 228  
229 -Check the battery voltage for DS20L.
230 230  
231 -Ex1: 0x0B45 = 2885mV
234 +(% style="color:blue" %)**MOD & Alarm & Interrupt:**
232 232  
233 -Ex2: 0x0B49 = 2889mV
236 +(% style="color:red" %)**MOD:**
234 234  
238 +**Example: ** (0x60>>6) & 0x3f =1
235 235  
236 -==== (% style="color:blue" %)**DS18B20 Temperature sensor**(%%) ====
240 +**0x01:**  Regularly detect distance and report.
241 +**0x02: ** Uninterrupted measurement (external power supply).
237 237  
243 +(% style="color:red" %)**Alarm:**
238 238  
239 -This is optional, user can connect external DS18B20 sensor to the +3.3v, 1-wire and GND pin . and this field will report temperature.
245 +When the detection distance exceeds the limit, the alarm flag is set to 1.
240 240  
247 +(% style="color:red" %)**Interrupt:**
241 241  
242 -**Example**:
249 +Whether it is an external interrupt.
243 243  
244 -If payload is: 0105H:  (0105 & FC00 == 0), temp = 0105H /10 = 26.1 degree
245 245  
246 -If payload is: FF3FH :  (FF3F & FC00 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
252 +(% style="color:blue" %)**Distance info:**
247 247  
248 -
249 -==== (% style="color:blue" %)**Distance**(%%) ====
250 -
251 -
252 -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.
253 -
254 -
255 255  **Example**:
256 256  
257 -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.
256 +If payload is: 0708H: distance = 0708H = 1800 mm
258 258  
259 259  
260 -==== (% style="color:blue" %)**Distance signal strength**(%%) ====
259 +(% style="color:blue" %)**Sensor State:**
261 261  
261 +Ex1: 0x00: Normal collection distance
262 262  
263 -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.
263 +Ex2 0x0x: Distance collection is wrong
264 264  
265 265  
266 -**Example**:
266 +(% style="color:blue" %)**Interript Count:**
267 267  
268 -If payload is: 01D7(H)=471(D), distance signal strength=471, 471>100,471≠65535, the measured value of Dist is considered credible.
268 +If payload is:000007D0H: count = 07D0H =2000
269 269  
270 -Customers can judge whether they need to adjust the environment based on the signal strength.
271 271  
272 272  
273 -**1) When the sensor detects valid data:**
272 +==== (% style="color:red" %)**MOD~=2**(%%)** ** ====
274 274  
275 -[[image:image-20230805155335-1.png||height="145" width="724"]]
274 +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.
276 276  
276 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
277 +|(% 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**
278 +|(% 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
277 277  
278 -**2) When the sensor detects invalid data:**
280 +[[image:1701155150328-206.png]]
279 279  
280 -[[image:image-20230805155428-2.png||height="139" width="726"]]
282 +(% style="color:blue" %)**MOD & Alarm & Do & Limit flag:**
281 281  
284 +(% style="color:red" %)**MOD:**
282 282  
283 -**3) When the sensor is not connected:**
286 +**Example: ** (0x60>>6) & 0x3f =1
284 284  
285 -[[image:image-20230805155515-3.png||height="143" width="725"]]
288 +**0x01:**  Regularly detect distance and report.
289 +**0x02: ** Uninterrupted measurement (external power supply).
286 286  
291 +(% style="color:red" %)**Alarm:**
287 287  
288 -==== (% style="color:blue" %)**Interrupt Pin & Interrupt Level**(%%) ====
293 +When the detection distance exceeds the limit, the alarm flag is set to 1.
289 289  
295 +(% style="color:red" %)**Do:**
290 290  
291 -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.
297 +When the distance exceeds the set threshold, pull the Do pin high.
292 292  
293 -Note: The Internet Pin is a separate pin in the screw terminal. See pin mapping of GPIO_EXTI .
299 +(% style="color:red" %)**Limit flag:**
294 294  
295 -**Example:**
301 +Mode for setting threshold: 0~~5
296 296  
297 -If byte[0]&0x01=0x00 : Normal uplink packet.
303 +0: does not use upper and lower limits
298 298  
299 -If byte[0]&0x01=0x01 : Interrupt Uplink Packet.
305 +1: Use upper and lower limits
300 300  
307 +2: is less than the lower limit value
301 301  
302 -==== (% style="color:blue" %)**LiDAR temp**(%%) ====
309 +3: is greater than the lower limit value
303 303  
311 +4: is less than the upper limit
304 304  
305 -Characterize the internal temperature value of the sensor.
313 +5: is greater than the upper limit
306 306  
307 -**Example: **
308 -If payload is: 1C(H) <<24>>24=28(D),LiDAR temp=28℃.
309 -If payload is: F2(H) <<24>>24=-14(D),LiDAR temp=-14℃.
310 310  
316 +(% style="color:blue" %)**Upper limit:**
311 311  
312 -==== (% style="color:blue" %)**Message Type**(%%) ====
318 +The upper limit of the threshold cannot exceed 2000mm.
313 313  
314 314  
315 -(((
316 -For a normal uplink payload, the message type is always 0x01.
317 -)))
321 +(% style="color:blue" %)**Lower limit:**
318 318  
319 -(((
320 -Valid Message Type:
321 -)))
323 +The lower limit of the threshold cannot be less than 3mm.
322 322  
323 -(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:499px" %)
324 -|=(% 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**
325 -|(% style="width:160px" %)0x01|(% style="width:163px" %)Normal Uplink|(% style="width:173px" %)Normal Uplink Payload
326 -|(% style="width:160px" %)0x02|(% style="width:163px" %)Reply configures info|(% style="width:173px" %)Configure Info Payload
327 327  
328 -[[image:image-20230805150315-4.png||height="233" width="723"]]
329 -
330 -
331 331  === 2.3.3 Historical measuring distance, FPORT~=3 ===
332 332  
333 333  
334 -DS20L stores sensor values and users can retrieve these history values via the [[downlink command>>||anchor="H2.5.4Pollsensorvalue"]].
329 +DS20L stores sensor values and users can retrieve these history values via the downlink command.
335 335  
336 336  The historical payload includes one or multiplies entries and every entry has the same payload as Real-Time measuring distance.
337 337  
... ... @@ -459,91 +459,18 @@
459 459  
460 460  After added, the sensor data arrive TTN V3, it will also arrive and show in Datacake.
461 461  
462 -[[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"]]
457 +[[image:1701152946067-561.png]]
463 463  
464 464  
465 -== 2.5 Datalog Feature ==
460 +== 2.5 Frequency Plans ==
466 466  
467 467  
468 -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.
469 -
470 -
471 -=== 2.5.1 Ways to get datalog via LoRaWAN ===
472 -
473 -
474 -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.
475 -
476 -* (((
477 -a) DS20L will do an ACK check for data records sending to make sure every data arrive server.
478 -)))
479 -* (((
480 -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.
481 -)))
482 -
483 -
484 -=== 2.5.2 Unix TimeStamp ===
485 -
486 -
487 -DS20L uses Unix TimeStamp format based on
488 -
489 -[[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"]]
490 -
491 -User can get this time from link:  [[https:~~/~~/www.epochconverter.com/>>url:https://www.epochconverter.com/]] :
492 -
493 -Below is the converter example
494 -
495 -[[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"]]
496 -
497 -
498 -So, we can use AT+TIMESTAMP=1611889405 or downlink 3060137afd00 to set the current time 2021 – Jan ~-~- 29 Friday 03:03:25
499 -
500 -
501 -=== 2.5.3 Set Device Time ===
502 -
503 -
504 -User need to set (% style="color:blue" %)**SYNCMOD=1**(%%) to enable sync time via MAC command.
505 -
506 -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).
507 -
508 -(% 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.**
509 -
510 -
511 -=== 2.5.4 Poll sensor value ===
512 -
513 -
514 -Users can poll sensor values based on timestamps. Below is the downlink command.
515 -
516 -(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:425.818px" %)
517 -|(% colspan="4" style="background-color:#4f81bd; color:white; width:423px" %)**Downlink Command to poll Open/Close status (0x31)**
518 -|(% style="width:58px" %)**1byte**|(% style="width:127px" %)**4bytes**|(% style="width:124px" %)**4bytes**|(% style="width:114px" %)**1byte**
519 -|(% style="width:58px" %)31|(% style="width:127px" %)Timestamp start|(% style="width:124px" %)Timestamp end|(% style="width:114px" %)Uplink Interval
520 -
521 -(((
522 -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.
523 -)))
524 -
525 -(((
526 -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"]]
527 -)))
528 -
529 -(((
530 -Is to check 2021/11/12 12:00:00 to 2021/11/12 15:00:00's data
531 -)))
532 -
533 -(((
534 -Uplink Internal =5s，means DS20L will send one packet every 5s. range 5~~255s.
535 -)))
536 -
537 -
538 -== 2.6 Frequency Plans ==
539 -
540 -
541 541  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.
542 542  
543 543  [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20Frequency%20Band/>>http://wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20Frequency%20Band/]]
544 544  
545 545  
546 -3. Configure DS20L
468 += 3. Configure DS20L =
547 547  
548 548  == 3.1 Configure Methods ==
549 549  
... ... @@ -556,8 +556,6 @@
556 556  
557 557  * LoRaWAN Downlink.  Instruction for different platforms: See [[IoT LoRaWAN Server>>http://wiki.dragino.com/xwiki/bin/view/Main/]] section.
558 558  
559 -
560 -
561 561  == 3.2 General Commands ==
562 562  
563 563  
... ... @@ -617,7 +617,7 @@
617 617  Example 1: Downlink Payload: 0100001E  ~/~/ Set Transmit Interval (TDC) = 30 seconds
618 618  )))
619 619  * (((
620 -Example 2: Downlink Payload: 0100003C  ~/~/ Set Transmit Interval (TDC) = 60 seconds 
540 +Example 2: Downlink Payload: 0100003C  ~/~/ Set Transmit Interval (TDC) = 60 seconds
621 621  
622 622  
623 623  
... ... @@ -640,7 +640,7 @@
640 640  the mode is 0 =Disable Interrupt
641 641  )))
642 642  |(% style="width:154px" %)(((
643 -AT+INTMOD=2
563 +AT+INTMOD=3
644 644  
645 645  (default)
646 646  )))|(% style="width:196px" %)(((
... ... @@ -661,8 +661,79 @@
661 661  
662 662  * Example 2: Downlink Payload: 06000003  ~/~/  Set the interrupt mode to rising edge trigger
663 663  
584 +== 3.3.3 Set work mode ==
664 664  
665 665  
587 +Feature: Switch working mode
588 +
589 +(% style="color:blue" %)**AT Command: AT+MOD**
590 +
591 +(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:510px" %)
592 +|=(% 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**
593 +|(% style="width:162px" %)AT+MOD=?|(% style="width:191px" %)Get the current working mode.|(% style="width:106px" %)OK
594 +|(% style="width:162px" %)AT+MOD=1|(% style="width:191px" %)Set the working mode to Regular measurements.|(% style="width:106px" %)(((
595 +OK
596 +Attention:Take effect after ATZ
597 +)))
598 +
599 +(% style="color:blue" %)**Downlink Command:**
600 +
601 +* **Example: **0x0A00  ~/~/  Same as AT+MOD=0
602 +
603 +* **Example:** 0x0A01  ~/~/  Same as AT+MOD=1
604 +
605 +=== 3.3.4 Set threshold and threshold mode ===
606 +
607 +
608 +Feature, Set threshold and threshold mode
609 +
610 +When (% style="color:#037691" %)**AT+DOL=0,0,0,0,400**(%%) is set, No threshold is used, the sampling time is 400ms.
611 +
612 +(% style="color:blue" %)**AT Command: AT+DOL**
613 +
614 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
615 +|(% 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**
616 +|(% style="width:172px" %)AT+ DOL =?|(% style="width:279px" %)Get the current threshold mode and sampling time|(% style="width:118px" %)(((
617 +0,0,0,0,400
618 +OK
619 +)))
620 +|(% style="width:172px" %)AT+ DOL =1,1800,100,0,400|(% style="width:279px" %)Set only the upper and lower thresholds|(% style="width:118px" %)OK
621 +
622 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
623 +|(% 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
624 +|(% style="width:251px" %)1: Use upper and lower limits
625 +|(% style="width:251px" %)2: Less than the lower limit
626 +|(% style="width:251px" %)3: Greater than the lower limit
627 +|(% style="width:251px" %)4: Less than the upper limit
628 +|(% style="width:251px" %)5: Greater than the upper limit
629 +|(% style="width:226px" %)The second bit sets the upper limit value|(% style="width:251px" %)3~~2000MM
630 +|(% style="width:226px" %)The third bit sets the lower limit value|(% style="width:251px" %)3~~2000MM
631 +|(% 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
632 +|(% style="width:251px" %)1 Person or object counting statistics
633 +|(% style="width:226px" %)The fifth bit sets the sampling time|(% style="width:251px" %)(((
634 +0~~10000ms
635 +
636 +
637 +)))
638 +
639 +(% style="color:blue" %)**Downlink Command: 0x07**
640 +
641 +Format: Command Code (0x07) followed by 9bytes.
642 +
643 +* Example 0: Downlink Payload: 070000000000000190  **~-~-->**  AT+MOD=0,0,0,0,400
644 +
645 +* Example 1: Downlink Payload: 070107080064000190  **~-~-->**  AT+MOD=1,1800,100,0,400
646 +
647 +* Example 2: Downlink Payload: 070200000064000190  **~-~-->**  AT+MOD=2,0,100,0,400
648 +
649 +* Example 3: Downlink Payload: 0703200000064000190  **~-~-->**  AT+MOD=3,1800,100,0,400
650 +
651 +* Example 4: Downlink Payload: 070407080000000190  **~-~-->**  AT+MOD=4,0,100,0,400
652 +
653 +* Example 5: Downlink Payload: 070507080000000190  **~-~-->**  AT+MOD=5,1800,100,0,400
654 +
655 +
656 +
666 666  = 4. Battery & Power Consumption =
667 667  
668 668  
... ... @@ -691,8 +691,6 @@
691 691  
692 692  * 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]]**.
693 693  
694 -
695 -
696 696  = 6. FAQ =
697 697  
698 698  == 6.1 What is the frequency plan for DS20L? ==
... ... @@ -701,6 +701,33 @@
701 701  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"]]
702 702  
703 703  
693 +== 6.2 DS20L programming line ==
694 +
695 +
696 +缺图 后续补上
697 +
698 +feature:
699 +
700 +for AT commands
701 +
702 +Update the firmware of DS20L
703 +
704 +Support interrupt mode
705 +
706 +
707 +== 6.3 LiDAR probe position ==
708 +
709 +
710 +[[image:1701155390576-216.png||height="285" width="307"]]
711 +
712 +The black oval hole in the picture is the LiDAR probe.
713 +
714 +
715 +== 6.4 Interface definition ==
716 +
717 +[[image:image-20231128151132-2.png||height="305" width="557"]]
718 +
719 +
704 704  = 7. Trouble Shooting =
705 705  
706 706  == 7.1 AT Command input doesn't work ==
... ... @@ -753,8 +753,6 @@
753 753  
754 754  * (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
755 755  
756 -
757 -
758 758  = 9. ​Packing Info =
759 759  
760 760  
... ... @@ -772,8 +772,6 @@
772 772  
773 773  * Weight / pcs : g
774 774  
775 -
776 -
777 777  = 10. Support =
778 778  
779 779  
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