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Last modified by Mengting Qiu on 2023/12/14 11:15
From version 125.6
edited by Xiaoling
on 2023/11/29 09:07
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
... ... @@ -298,19 +298,19 @@
298 298  
299 299  (% style="color:red" %)**Limit flag:**
300 300  
301 -Mode for setting threshold: **0~~5**
301 +Mode for setting threshold: 0~~5
302 302  
303 -**0:** does not use upper and lower limits
303 +0: does not use upper and lower limits
304 304  
305 -**1:** Use upper and lower limits
305 +1: Use upper and lower limits
306 306  
307 -**2:** is less than the lower limit value
307 +2: is less than the lower limit value
308 308  
309 -**3:** is greater than the lower limit value
309 +3: is greater than the lower limit value
310 310  
311 -**4:** is less than the upper limit
311 +4: is less than the upper limit
312 312  
313 -**5:** is greater than the upper limit
313 +5: is greater than the upper limit
314 314  
315 315  
316 316  (% style="color:blue" %)**Upper limit:**
... ... @@ -323,9 +323,91 @@
323 323  The lower limit of the threshold cannot be less than 3mm.
324 324  
325 325  
326 -=== 2.3.3 Decode payload in The Things Network ===
326 +=== 2.3.3 Historical measuring distance, FPORT~=3 ===
327 327  
328 328  
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 +
329 329  While using TTN network, you can add the payload format to decode the payload.
330 330  
331 331  [[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"]]
... ... @@ -372,7 +372,7 @@
372 372  
373 373  After added, the sensor data arrive TTN V3, it will also arrive and show in Datacake.
374 374  
375 -[[image:image-20231129085201-1.png||height="515" width="961"]]
457 +[[image:1701152946067-561.png]]
376 376  
377 377  
378 378  == 2.5 Frequency Plans ==
... ... @@ -396,8 +396,6 @@
396 396  
397 397  * LoRaWAN Downlink.  Instruction for different platforms: See [[IoT LoRaWAN Server>>http://wiki.dragino.com/xwiki/bin/view/Main/]] section.
398 398  
399 -
400 -
401 401  == 3.2 General Commands ==
402 402  
403 403  
... ... @@ -501,11 +501,9 @@
501 501  
502 502  * Example 2: Downlink Payload: 06000003  ~/~/  Set the interrupt mode to rising edge trigger
503 503  
584 +== 3.3.3 Set work mode ==
504 504  
505 505  
506 -=== 3.3.3 Set work mode ===
507 -
508 -
509 509  Feature: Switch working mode
510 510  
511 511  (% style="color:blue" %)**AT Command: AT+MOD**
... ... @@ -524,8 +524,6 @@
524 524  
525 525  * **Example:** 0x0A01  ~/~/  Same as AT+MOD=1
526 526  
527 -
528 -
529 529  === 3.3.4 Set threshold and threshold mode ===
530 530  
531 531  
... ... @@ -543,23 +543,8 @@
543 543  )))
544 544  |(% style="width:172px" %)AT+ DOL =1,1800,100,0,400|(% style="width:279px" %)Set only the upper and lower thresholds|(% style="width:118px" %)OK
545 545  
546 -
547 -
548 548  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
549 -|(% rowspan="11" style="color:blue; width:120px" %)(((
550 -
551 -
552 -
553 -
554 -
555 -
556 -
557 -
558 -
559 -
560 -
561 -**AT+DOL=5,1800,0,0,400**
562 -)))|(% rowspan="6" style="width:240px" %)The first bit sets the limit mode|(% style="width:150px" %)0: Do not use upper and lower limits
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
563 563  |(% style="width:251px" %)1: Use upper and lower limits
564 564  |(% style="width:251px" %)2: Less than the lower limit
565 565  |(% style="width:251px" %)3: Greater than the lower limit
... ... @@ -575,8 +575,6 @@
575 575  
576 576  )))
577 577  
578 -
579 -
580 580  (% style="color:blue" %)**Downlink Command: 0x07**
581 581  
582 582  Format: Command Code (0x07) followed by 9bytes.
... ... @@ -587,7 +587,7 @@
587 587  
588 588  * Example 2: Downlink Payload: 070200000064000190  **~-~-->**  AT+MOD=2,0,100,0,400
589 589  
590 -* 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
591 591  
592 592  * Example 4: Downlink Payload: 070407080000000190  **~-~-->**  AT+MOD=4,0,100,0,400
593 593  
... ... @@ -623,8 +623,6 @@
623 623  
624 624  * 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]]**.
625 625  
626 -
627 -
628 628  = 6. FAQ =
629 629  
630 630  == 6.1 What is the frequency plan for DS20L? ==
... ... @@ -712,8 +712,6 @@
712 712  
713 713  * (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
714 714  
715 -
716 -
717 717  = 9. ​Packing Info =
718 718  
719 719  
... ... @@ -731,8 +731,6 @@
731 731  
732 732  * Weight / pcs : g
733 733  
734 -
735 -
736 736  = 10. Support =
737 737  
738 738