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Last modified by Mengting Qiu on 2023/12/14 11:15
From version 124.2
edited by Xiaoling
on 2023/11/28 15:12
Change comment: There is no comment for this version
To version 125.2
edited by Xiaoling
on 2023/11/29 08:52
Change comment: There is no comment for this version

Summary

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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 +
50 50  == 1.3 Specification ==
51 51  
52 52  
... ... @@ -60,6 +60,7 @@
60 60  * ToF FoV: ±9°, Total 18°
61 61  * Light source: VCSEL
62 62  
64 +
63 63  == 1.4 Power Consumption ==
64 64  
65 65  
... ... @@ -73,6 +73,7 @@
73 73  * Idle: 21 mA @ 3.3v
74 74  * Max : 360 mA
75 75  
78 +
76 76  = 2. Configure DS20L to connect to LoRaWAN network =
77 77  
78 78  == 2.1 How it works ==
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317 317  The lower limit of the threshold cannot be less than 3mm.
318 318  
319 319  
320 -=== 2.3.3 Historical measuring distance, FPORT~=3 ===
323 +=== 2.3.3 Decode payload in The Things Network ===
321 321  
322 322  
323 -DS20L stores sensor values and users can retrieve these history values via the [[downlink command>>||anchor="H2.5.4Pollsensorvalue"]].
324 -
325 -The historical payload includes one or multiplies entries and every entry has the same payload as Real-Time measuring distance.
326 -
327 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
328 -|=(% style="width: 60px;background-color:#4F81BD;color:white" %)(((
329 -**Size(bytes)**
330 -)))|=(% 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
331 -|(% style="width:62.5px" %)Value|(% style="width:62.5px" %)Interrupt flag & Interrupt_level|(% style="width:62.5px" %)(((
332 -Reserve(0xFF)
333 -)))|Distance|Distance signal strength|(% style="width:88px" %)(((
334 -LiDAR temp
335 -)))|(% style="width:85px" %)Unix TimeStamp
336 -
337 -**Interrupt flag & Interrupt level:**
338 -
339 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:480px" %)
340 -|=(% style="width: 60px;background-color:#4F81BD;color:white" %)(((
341 -**Size(bit)**
342 -)))|=(% 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**
343 -|(% 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" %)(((
344 -Interrupt flag
345 -)))
346 -
347 -* (((
348 -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.
349 -)))
350 -
351 -For example, in the US915 band, the max payload for different DR is:
352 -
353 -**a) DR0:** max is 11 bytes so one entry of data
354 -
355 -**b) DR1:** max is 53 bytes so devices will upload 4 entries of data (total 44 bytes)
356 -
357 -**c) DR2:** total payload includes 11 entries of data
358 -
359 -**d) DR3:** total payload includes 22 entries of data.
360 -
361 -If DS20L doesn't have any data in the polling time. It will uplink 11 bytes of 0
362 -
363 -
364 -**Downlink:**
365 -
366 -0x31 64 CC 68 0C 64 CC 69 74 05
367 -
368 -[[image:image-20230805144936-2.png||height="113" width="746"]]
369 -
370 -**Uplink:**
371 -
372 -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
373 -
374 -
375 -**Parsed Value:**
376 -
377 -[DISTANCE , DISTANCE_SIGNAL_STRENGTH，LIDAR_TEMP，EXTI_STATUS , EXTI_FLAG , TIME]
378 -
379 -
380 -[360,176,30,High,True,2023-08-04 02:53:00],
381 -
382 -[355,168,30,Low,False,2023-08-04 02:53:29],
383 -
384 -[245,211,30,Low,False,2023-08-04 02:54:29],
385 -
386 -[57,700,30,Low,False,2023-08-04 02:55:29],
387 -
388 -[361,164,30,Low,True,2023-08-04 02:56:00],
389 -
390 -[337,184,30,Low,False,2023-08-04 02:56:40],
391 -
392 -[20,4458,30,Low,False,2023-08-04 02:57:40],
393 -
394 -[362,173,30,Low,False,2023-08-04 02:58:53],
395 -
396 -
397 -**History read from serial port：**
398 -
399 -[[image:image-20230805145056-3.png]]
400 -
401 -
402 -=== 2.3.4 Decode payload in The Things Network ===
403 -
404 -
405 405  While using TTN network, you can add the payload format to decode the payload.
406 406  
407 407  [[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"]]
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448 448  
449 449  After added, the sensor data arrive TTN V3, it will also arrive and show in Datacake.
450 450  
451 -[[image:1701152946067-561.png]]
372 +[[image:image-20231129085201-1.png||height="515" width="961"]]
452 452  
453 453  
454 454  == 2.5 Frequency Plans ==
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532 532  )))
533 533  * (((
534 534  Example 2: Downlink Payload: 0100003C  ~/~/ Set Transmit Interval (TDC) = 60 seconds
456 +
457 +
458 +
535 535  )))
536 536  
537 537  === 3.3.2 Set Interrupt Mode ===
... ... @@ -610,7 +610,6 @@
610 610  )))
611 611  |(% style="width:172px" %)AT+ DOL =1,1800,100,0,400|(% style="width:279px" %)Set only the upper and lower thresholds|(% style="width:118px" %)OK
612 612  
613 -
614 614  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
615 615  |(% 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
616 616  |(% style="width:251px" %)1: Use upper and lower limits
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636 636  
637 637  * Example 1: Downlink Payload: 070107080064000190  **~-~-->**  AT+MOD=1,1800,100,0,400
638 638  
562 +* Example 2: Downlink Payload: 070200000064000190  **~-~-->**  AT+MOD=2,0,100,0,400
639 639  
564 +* Example 3: Downlink Payload: 0703200000064000190  **~-~-->**  AT+MOD=3,1800,100,0,400
565 +
566 +* Example 4: Downlink Payload: 070407080000000190  **~-~-->**  AT+MOD=4,0,100,0,400
567 +
568 +* Example 5: Downlink Payload: 070507080000000190  **~-~-->**  AT+MOD=5,1800,100,0,400
569 +
570 +
640 640  = 4. Battery & Power Consumption =
641 641  
642 642  
image-20231129085201-1.png
Author
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1 +XWiki.Xiaoling
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