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Last modified by Mengting Qiu on 2023/12/14 11:15
From version 116.3
edited by Xiaoling
on 2023/11/13 10:38
Change comment: There is no comment for this version
To version 125.5
edited by Xiaoling
on 2023/11/29 09:04
Change comment: There is no comment for this version

Summary

Details

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Content
... ... @@ -47,8 +47,6 @@
47 47  * Firmware upgradable via program port or LoRa protocol
48 48  * Built-in 2400mAh battery or power by external power source
49 49  
50 -(% style="display:none" %)
51 -
52 52  == 1.3 Specification ==
53 53  
54 54  
... ... @@ -62,9 +62,6 @@
62 62  * ToF FoV: ±9°, Total 18°
63 63  * Light source: VCSEL
64 64  
65 -(% style="display:none" %)
66 -
67 -
68 68  == 1.4 Power Consumption ==
69 69  
70 70  
... ... @@ -78,9 +78,6 @@
78 78  * Idle: 21 mA @ 3.3v
79 79  * Max : 360 mA
80 80  
81 -
82 -
83 -
84 84  = 2. Configure DS20L to connect to LoRaWAN network =
85 85  
86 86  == 2.1 How it works ==
... ... @@ -132,6 +132,7 @@
132 132  
133 133  (% style="color:blue" %)**Step 2:**(%%) Activate on DS20L
134 134  
127 +[[image:image-20231128133704-1.png||height="189" width="441"]]
135 135  
136 136  Press the button for 5 seconds to activate the DS20L.
137 137  
... ... @@ -157,9 +157,9 @@
157 157  
158 158  Example parse in TTNv3
159 159  
160 -[[image:image-20230805103904-1.png||height="131" width="711"]]
153 +[[image:1701149922873-259.png]]
161 161  
162 -(% style="color:blue" %)**Sensor Model**(%%): For DS20L, this value is 0x24
155 +(% style="color:blue" %)**Sensor Model**(%%): For DS20L, this value is 0x21
163 163  
164 164  (% style="color:blue" %)**Firmware Version**(%%): 0x0100, Means: v1.0.0 version
165 165  
... ... @@ -213,219 +213,120 @@
213 213  === 2.3.2 Uplink Payload, FPORT~=2 ===
214 214  
215 215  
216 -(((
217 -DS20L will send this uplink **after** Device Status once join the LoRaWAN network successfully. And DS20L will:
209 +==== (% style="color:red" %)**MOD~=1**(%%) ====
218 218  
219 -periodically send this uplink every 20 minutes, this interval [[can be changed>>||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.
220 220  
221 -Uplink Payload totals 11 bytes.
222 -)))
213 +Uplink Payload totals 10 bytes.
223 223  
224 224  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
225 -|=(% style="width: 60px;background-color:#4F81BD;color:white" %)(((
226 -**Size(bytes)**
227 -)))|=(% 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**
228 -|(% style="width:62.5px" %)Value|(% style="width:62.5px" %)[[BAT>>||anchor="HBatteryInfo"]]|(% style="width:62.5px" %)(((
229 -[[Temperature DS18B20>>||anchor="HDS18B20Temperaturesensor"]]
230 -)))|[[Distance>>||anchor="HDistance"]]|[[Distance signal strength>>||anchor="HDistancesignalstrength"]]|(% style="width:122px" %)(((
231 -[[Interrupt flag & Interrupt_level>>||anchor="HInterruptPin26A0InterruptLevel"]]
232 -)))|(% style="width:54px" %)[[LiDAR temp>>||anchor="HLiDARtemp"]]|(% style="width:96px" %)(((
233 -[[Message Type>>||anchor="HMessageType"]]
234 -)))
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
235 235  
236 -[[image:image-20230805104104-2.png||height="136" width="754"]]
219 +[[image:1701155076393-719.png]]
237 237  
221 +(% style="color:blue" %)**Battery Info:**
238 238  
239 -==== (% style="color:blue" %)**Battery Info**(%%) ====
223 +Check the battery voltage for DS20L
240 240  
225 +Ex1: 0x0E10 = 3600mV
241 241  
242 -Check the battery voltage for DS20L.
243 243  
244 -Ex1: 0x0B45 = 2885mV
228 +(% style="color:blue" %)**MOD & Alarm & Interrupt:**
245 245  
246 -Ex2: 0x0B49 = 2889mV
230 +(% style="color:red" %)**MOD:**
247 247  
232 +**Example: ** (0x60>>6) & 0x3f =1
248 248  
249 -==== (% style="color:blue" %)**DS18B20 Temperature sensor**(%%) ====
234 +**0x01:**  Regularly detect distance and report.
235 +**0x02: ** Uninterrupted measurement (external power supply).
250 250  
237 +(% style="color:red" %)**Alarm:**
251 251  
252 -This is optional, user can connect external DS18B20 sensor to the +3.3v, 1-wire and GND pin . and this field will report temperature.
239 +When the detection distance exceeds the limit, the alarm flag is set to 1.
253 253  
241 +(% style="color:red" %)**Interrupt:**
254 254  
255 -**Example**:
243 +Whether it is an external interrupt.
256 256  
257 -If payload is: 0105H:  (0105 & FC00 == 0), temp = 0105H /10 = 26.1 degree
258 258  
259 -If payload is: FF3FH :  (FF3F & FC00 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
246 +(% style="color:blue" %)**Distance info:**
260 260  
261 -
262 -==== (% style="color:blue" %)**Distance**(%%) ====
263 -
264 -
265 -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.
266 -
267 -
268 268  **Example**:
269 269  
270 -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.
250 +If payload is: 0708H: distance = 0708H = 1800 mm
271 271  
272 272  
273 -==== (% style="color:blue" %)**Distance signal strength**(%%) ====
253 +(% style="color:blue" %)**Sensor State:**
274 274  
255 +Ex1: 0x00: Normal collection distance
275 275  
276 -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.
257 +Ex2 0x0x: Distance collection is wrong
277 277  
278 278  
279 -**Example**:
260 +(% style="color:blue" %)**Interript Count:**
280 280  
281 -If payload is: 01D7(H)=471(D), distance signal strength=471, 471>100,471≠65535, the measured value of Dist is considered credible.
262 +If payload is:000007D0H: count = 07D0H =2000
282 282  
283 -Customers can judge whether they need to adjust the environment based on the signal strength.
284 284  
285 285  
286 -**1) When the sensor detects valid data:**
266 +==== (% style="color:red" %)**MOD~=2**(%%)** ** ====
287 287  
288 -[[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.
289 289  
290 -
291 -**2) When the sensor detects invalid data:**
292 -
293 -[[image:image-20230805155428-2.png||height="139" width="726"]]
294 -
295 -
296 -**3) When the sensor is not connected:**
297 -
298 -[[image:image-20230805155515-3.png||height="143" width="725"]]
299 -
300 -
301 -==== (% style="color:blue" %)**Interrupt Pin & Interrupt Level**(%%) ====
302 -
303 -
304 -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.
305 -
306 -Note: The Internet Pin is a separate pin in the screw terminal. See pin mapping of GPIO_EXTI .
307 -
308 -**Example:**
309 -
310 -If byte[0]&0x01=0x00 : Normal uplink packet.
311 -
312 -If byte[0]&0x01=0x01 : Interrupt Uplink Packet.
313 -
314 -
315 -==== (% style="color:blue" %)**LiDAR temp**(%%) ====
316 -
317 -
318 -Characterize the internal temperature value of the sensor.
319 -
320 -**Example: **
321 -If payload is: 1C(H) <<24>>24=28(D),LiDAR temp=28℃.
322 -If payload is: F2(H) <<24>>24=-14(D),LiDAR temp=-14℃.
323 -
324 -
325 -==== (% style="color:blue" %)**Message Type**(%%) ====
326 -
327 -
328 -(((
329 -For a normal uplink payload, the message type is always 0x01.
330 -)))
331 -
332 -(((
333 -Valid Message Type:
334 -)))
335 -
336 -(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:499px" %)
337 -|=(% 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**
338 -|(% style="width:160px" %)0x01|(% style="width:163px" %)Normal Uplink|(% style="width:173px" %)Normal Uplink Payload
339 -|(% style="width:160px" %)0x02|(% style="width:163px" %)Reply configures info|(% style="width:173px" %)Configure Info Payload
340 -
341 -[[image:image-20230805150315-4.png||height="233" width="723"]]
342 -
343 -
344 -=== 2.3.3 Historical measuring distance, FPORT~=3 ===
345 -
346 -
347 -DS20L stores sensor values and users can retrieve these history values via the [[downlink command>>||anchor="H2.5.4Pollsensorvalue"]].
348 -
349 -The historical payload includes one or multiplies entries and every entry has the same payload as Real-Time measuring distance.
350 -
351 351  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
352 -|=(% style="width: 60px;background-color:#4F81BD;color:white" %)(((
353 -**Size(bytes)**
354 -)))|=(% 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
355 -|(% style="width:62.5px" %)Value|(% style="width:62.5px" %)Interrupt flag & Interrupt_level|(% style="width:62.5px" %)(((
356 -Reserve(0xFF)
357 -)))|Distance|Distance signal strength|(% style="width:88px" %)(((
358 -LiDAR temp
359 -)))|(% 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
360 360  
361 -**Interrupt flag & Interrupt level:**
274 +[[image:1701155150328-206.png]]
362 362  
363 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:480px" %)
364 -|=(% style="width: 60px;background-color:#4F81BD;color:white" %)(((
365 -**Size(bit)**
366 -)))|=(% 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**
367 -|(% 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" %)(((
368 -Interrupt flag
369 -)))
276 +(% style="color:blue" %)**MOD & Alarm & Do & Limit flag:**
370 370  
371 -* (((
372 -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.
373 -)))
278 +(% style="color:red" %)**MOD:**
374 374  
375 -For example, in the US915 band, the max payload for different DR is:
280 +**Example: ** (0x60>>6) & 0x3f =1
376 376  
377 -**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).
378 378  
379 -**b) DR1:** max is 53 bytes so devices will upload 4 entries of data (total 44 bytes)
285 +(% style="color:red" %)**Alarm:**
380 380  
381 -**c) DR2:** total payload includes 11 entries of data
287 +When the detection distance exceeds the limit, the alarm flag is set to 1.
382 382  
383 -**d) DR3:** total payload includes 22 entries of data.
289 +(% style="color:red" %)**Do:**
384 384  
385 -If DS20L doesn't have any data in the polling time. It will uplink 11 bytes of 0
291 +When the distance exceeds the set threshold, pull the Do pin high.
386 386  
293 +(% style="color:red" %)**Limit flag:**
387 387  
388 -**Downlink:**
295 +Mode for setting threshold: 0~~5
389 389  
390 -0x31 64 CC 68 0C 64 CC 69 74 05
297 +0: does not use upper and lower limits
391 391  
392 -[[image:image-20230805144936-2.png||height="113" width="746"]]
299 +1: Use upper and lower limits
393 393  
394 -**Uplink:**
301 +2: is less than the lower limit value
395 395  
396 -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
303 +3: is greater than the lower limit value
397 397  
305 +4: is less than the upper limit
398 398  
399 -**Parsed Value:**
307 +5: is greater than the upper limit
400 400  
401 -[DISTANCE , DISTANCE_SIGNAL_STRENGTH，LIDAR_TEMP，EXTI_STATUS , EXTI_FLAG , TIME]
402 402  
310 +(% style="color:blue" %)**Upper limit:**
403 403  
404 -[360,176,30,High,True,2023-08-04 02:53:00],
312 +The upper limit of the threshold cannot exceed 2000mm.
405 405  
406 -[355,168,30,Low,False,2023-08-04 02:53:29],
407 407  
408 -[245,211,30,Low,False,2023-08-04 02:54:29],
315 +(% style="color:blue" %)**Lower limit:**
409 409  
410 -[57,700,30,Low,False,2023-08-04 02:55:29],
317 +The lower limit of the threshold cannot be less than 3mm.
411 411  
412 -[361,164,30,Low,True,2023-08-04 02:56:00],
413 413  
414 -[337,184,30,Low,False,2023-08-04 02:56:40],
320 +=== 2.3.3 Decode payload in The Things Network ===
415 415  
416 -[20,4458,30,Low,False,2023-08-04 02:57:40],
417 417  
418 -[362,173,30,Low,False,2023-08-04 02:58:53],
419 -
420 -
421 -**History read from serial port：**
422 -
423 -[[image:image-20230805145056-3.png]]
424 -
425 -
426 -=== 2.3.4 Decode payload in The Things Network ===
427 -
428 -
429 429  While using TTN network, you can add the payload format to decode the payload.
430 430  
431 431  [[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"]]
... ... @@ -472,90 +472,18 @@
472 472  
473 473  After added, the sensor data arrive TTN V3, it will also arrive and show in Datacake.
474 474  
475 -[[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"]]
476 476  
477 477  
478 -== 2.5 Datalog Feature ==
372 +== 2.5 Frequency Plans ==
479 479  
480 480  
481 -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.
482 -
483 -
484 -=== 2.5.1 Ways to get datalog via LoRaWAN ===
485 -
486 -
487 -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.
488 -
489 -* (((
490 -a) DS20L will do an ACK check for data records sending to make sure every data arrive server.
491 -)))
492 -* (((
493 -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.
494 -)))
495 -
496 -=== 2.5.2 Unix TimeStamp ===
497 -
498 -
499 -DS20L uses Unix TimeStamp format based on
500 -
501 -[[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"]]
502 -
503 -User can get this time from link:  [[https:~~/~~/www.epochconverter.com/>>url:https://www.epochconverter.com/]] :
504 -
505 -Below is the converter example
506 -
507 -[[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"]]
508 -
509 -
510 -So, we can use AT+TIMESTAMP=1611889405 or downlink 3060137afd00 to set the current time 2021 – Jan ~-~- 29 Friday 03:03:25
511 -
512 -
513 -=== 2.5.3 Set Device Time ===
514 -
515 -
516 -User need to set (% style="color:blue" %)**SYNCMOD=1**(%%) to enable sync time via MAC command.
517 -
518 -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).
519 -
520 -(% 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.**
521 -
522 -
523 -=== 2.5.4 Poll sensor value ===
524 -
525 -
526 -Users can poll sensor values based on timestamps. Below is the downlink command.
527 -
528 -(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:425.818px" %)
529 -|(% colspan="4" style="background-color:#4f81bd; color:white; width:423px" %)**Downlink Command to poll Open/Close status (0x31)**
530 -|(% style="width:58px" %)**1byte**|(% style="width:127px" %)**4bytes**|(% style="width:124px" %)**4bytes**|(% style="width:114px" %)**1byte**
531 -|(% style="width:58px" %)31|(% style="width:127px" %)Timestamp start|(% style="width:124px" %)Timestamp end|(% style="width:114px" %)Uplink Interval
532 -
533 -(((
534 -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.
535 -)))
536 -
537 -(((
538 -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"]]
539 -)))
540 -
541 -(((
542 -Is to check 2021/11/12 12:00:00 to 2021/11/12 15:00:00's data
543 -)))
544 -
545 -(((
546 -Uplink Internal =5s，means DS20L will send one packet every 5s. range 5~~255s.
547 -)))
548 -
549 -
550 -== 2.6 Frequency Plans ==
551 -
552 -
553 553  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.
554 554  
555 555  [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20Frequency%20Band/>>http://wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20Frequency%20Band/]]
556 556  
557 557  
558 -3. Configure DS20L
380 += 3. Configure DS20L =
559 559  
560 560  == 3.1 Configure Methods ==
561 561  
... ... @@ -627,7 +627,7 @@
627 627  Example 1: Downlink Payload: 0100001E  ~/~/ Set Transmit Interval (TDC) = 30 seconds
628 628  )))
629 629  * (((
630 -Example 2: Downlink Payload: 0100003C  ~/~/ Set Transmit Interval (TDC) = 60 seconds 
452 +Example 2: Downlink Payload: 0100003C  ~/~/ Set Transmit Interval (TDC) = 60 seconds
631 631  
632 632  
633 633  
... ... @@ -650,7 +650,7 @@
650 650  the mode is 0 =Disable Interrupt
651 651  )))
652 652  |(% style="width:154px" %)(((
653 -AT+INTMOD=2
475 +AT+INTMOD=3
654 654  
655 655  (default)
656 656  )))|(% style="width:196px" %)(((
... ... @@ -671,6 +671,94 @@
671 671  
672 672  * Example 2: Downlink Payload: 06000003  ~/~/  Set the interrupt mode to rising edge trigger
673 673  
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 +
535 +
536 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
537 +|(% rowspan="11" style="color:blue; width:120px" %)(((
538 +
539 +
540 +
541 +
542 +
543 +
544 +
545 +
546 +
547 +
548 +
549 +**AT+DOL=5,1800,0,0,400**
550 +)))|(% rowspan="6" style="width:240px" %)The first bit sets the limit mode|(% style="width:150px" %)0: Do not use upper and lower limits
551 +|(% style="width:251px" %)1: Use upper and lower limits
552 +|(% style="width:251px" %)2: Less than the lower limit
553 +|(% style="width:251px" %)3: Greater than the lower limit
554 +|(% style="width:251px" %)4: Less than the upper limit
555 +|(% style="width:251px" %)5: Greater than the upper limit
556 +|(% style="width:226px" %)The second bit sets the upper limit value|(% style="width:251px" %)3~~2000MM
557 +|(% style="width:226px" %)The third bit sets the lower limit value|(% style="width:251px" %)3~~2000MM
558 +|(% 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
559 +|(% style="width:251px" %)1 Person or object counting statistics
560 +|(% style="width:226px" %)The fifth bit sets the sampling time|(% style="width:251px" %)(((
561 +0~~10000ms
562 +
563 +
564 +)))
565 +
566 +
567 +
568 +(% style="color:blue" %)**Downlink Command: 0x07**
569 +
570 +Format: Command Code (0x07) followed by 9bytes.
571 +
572 +* Example 0: Downlink Payload: 070000000000000190  **~-~-->**  AT+MOD=0,0,0,0,400
573 +
574 +* Example 1: Downlink Payload: 070107080064000190  **~-~-->**  AT+MOD=1,1800,100,0,400
575 +
576 +* Example 2: Downlink Payload: 070200000064000190  **~-~-->**  AT+MOD=2,0,100,0,400
577 +
578 +* Example 3: Downlink Payload: 070300000064000190  **~-~-->**  AT+MOD=3,1800,100,0,400
579 +
580 +* Example 4: Downlink Payload: 070407080000000190  **~-~-->**  AT+MOD=4,0,100,0,400
581 +
582 +* Example 5: Downlink Payload: 070507080000000190  **~-~-->**  AT+MOD=5,1800,100,0,400
583 +
674 674  = 4. Battery & Power Consumption =
675 675  
676 676  
... ... @@ -707,6 +707,33 @@
707 707  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"]]
708 708  
709 709  
620 +== 6.2 DS20L programming line ==
621 +
622 +
623 +缺图 后续补上
624 +
625 +feature:
626 +
627 +for AT commands
628 +
629 +Update the firmware of DS20L
630 +
631 +Support interrupt mode
632 +
633 +
634 +== 6.3 LiDAR probe position ==
635 +
636 +
637 +[[image:1701155390576-216.png||height="285" width="307"]]
638 +
639 +The black oval hole in the picture is the LiDAR probe.
640 +
641 +
642 +== 6.4 Interface definition ==
643 +
644 +[[image:image-20231128151132-2.png||height="305" width="557"]]
645 +
646 +
710 710  = 7. Trouble Shooting =
711 711  
712 712  == 7.1 AT Command input doesn't work ==
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