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Last modified by Mengting Qiu on 2023/12/14 11:15
From version 125.3
edited by Xiaoling
on 2023/11/29 08:58
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

Details

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Content
... ... @@ -47,6 +47,8 @@
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 +
51 +
50 50  == 1.3 Specification ==
51 51  
52 52  
... ... @@ -60,6 +60,8 @@
60 60  * ToF FoV: ±9°, Total 18°
61 61  * Light source: VCSEL
62 62  
65 +
66 +
63 63  == 1.4 Power Consumption ==
64 64  
65 65  
... ... @@ -73,6 +73,8 @@
73 73  * Idle: 21 mA @ 3.3v
74 74  * Max : 360 mA
75 75  
80 +
81 +
76 76  = 2. Configure DS20L to connect to LoRaWAN network =
77 77  
78 78  == 2.1 How it works ==
... ... @@ -317,9 +317,91 @@
317 317  The lower limit of the threshold cannot be less than 3mm.
318 318  
319 319  
320 -=== 2.3.3 Decode payload in The Things Network ===
326 +=== 2.3.3 Historical measuring distance, FPORT~=3 ===
321 321  
322 322  
329 +DS20L stores sensor values and users can retrieve these history values via the downlink command.
330 +
331 +The historical payload includes one or multiplies entries and every entry has the same payload as Real-Time measuring distance.
332 +
333 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
334 +|=(% style="width: 60px;background-color:#4F81BD;color:white" %)(((
335 +**Size(bytes)**
336 +)))|=(% 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
337 +|(% style="width:62.5px" %)Value|(% style="width:62.5px" %)Interrupt flag & Interrupt_level|(% style="width:62.5px" %)(((
338 +Reserve(0xFF)
339 +)))|Distance|Distance signal strength|(% style="width:88px" %)(((
340 +LiDAR temp
341 +)))|(% style="width:85px" %)Unix TimeStamp
342 +
343 +**Interrupt flag & Interrupt level:**
344 +
345 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:480px" %)
346 +|=(% style="width: 60px;background-color:#4F81BD;color:white" %)(((
347 +**Size(bit)**
348 +)))|=(% 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**
349 +|(% 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" %)(((
350 +Interrupt flag
351 +)))
352 +
353 +* (((
354 +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.
355 +)))
356 +
357 +For example, in the US915 band, the max payload for different DR is:
358 +
359 +**a) DR0:** max is 11 bytes so one entry of data
360 +
361 +**b) DR1:** max is 53 bytes so devices will upload 4 entries of data (total 44 bytes)
362 +
363 +**c) DR2:** total payload includes 11 entries of data
364 +
365 +**d) DR3:** total payload includes 22 entries of data.
366 +
367 +If DS20L doesn't have any data in the polling time. It will uplink 11 bytes of 0
368 +
369 +
370 +**Downlink:**
371 +
372 +0x31 64 CC 68 0C 64 CC 69 74 05
373 +
374 +[[image:image-20230805144936-2.png||height="113" width="746"]]
375 +
376 +**Uplink:**
377 +
378 +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
379 +
380 +
381 +**Parsed Value:**
382 +
383 +[DISTANCE , DISTANCE_SIGNAL_STRENGTH，LIDAR_TEMP，EXTI_STATUS , EXTI_FLAG , TIME]
384 +
385 +
386 +[360,176,30,High,True,2023-08-04 02:53:00],
387 +
388 +[355,168,30,Low,False,2023-08-04 02:53:29],
389 +
390 +[245,211,30,Low,False,2023-08-04 02:54:29],
391 +
392 +[57,700,30,Low,False,2023-08-04 02:55:29],
393 +
394 +[361,164,30,Low,True,2023-08-04 02:56:00],
395 +
396 +[337,184,30,Low,False,2023-08-04 02:56:40],
397 +
398 +[20,4458,30,Low,False,2023-08-04 02:57:40],
399 +
400 +[362,173,30,Low,False,2023-08-04 02:58:53],
401 +
402 +
403 +**History read from serial port：**
404 +
405 +[[image:image-20230805145056-3.png]]
406 +
407 +
408 +=== 2.3.4 Decode payload in The Things Network ===
409 +
410 +
323 323  While using TTN network, you can add the payload format to decode the payload.
324 324  
325 325  [[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"]]
... ... @@ -366,7 +366,7 @@
366 366  
367 367  After added, the sensor data arrive TTN V3, it will also arrive and show in Datacake.
368 368  
369 -[[image:image-20231129085201-1.png||height="515" width="961"]]
457 +[[image:1701152946067-561.png]]
370 370  
371 371  
372 372  == 2.5 Frequency Plans ==
... ... @@ -548,33 +548,6 @@
548 548  
549 549  )))
550 550  
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 -
578 578  (% style="color:blue" %)**Downlink Command: 0x07**
579 579  
580 580  Format: Command Code (0x07) followed by 9bytes.
... ... @@ -585,12 +585,14 @@
585 585  
586 586  * Example 2: Downlink Payload: 070200000064000190  **~-~-->**  AT+MOD=2,0,100,0,400
587 587  
588 -* Example 3: Downlink Payload: 070300000064000190  **~-~-->**  AT+MOD=3,1800,100,0,400
649 +* Example 3: Downlink Payload: 0703200000064000190  **~-~-->**  AT+MOD=3,1800,100,0,400
589 589  
590 590  * Example 4: Downlink Payload: 070407080000000190  **~-~-->**  AT+MOD=4,0,100,0,400
591 591  
592 592  * Example 5: Downlink Payload: 070507080000000190  **~-~-->**  AT+MOD=5,1800,100,0,400
593 593  
655 +
656 +
594 594  = 4. Battery & Power Consumption =
595 595  
596 596