Skip to Content
Last modified by Mengting Qiu on 2023/12/14 11:15
From version 125.7
edited by Xiaoling
on 2023/11/29 09:07
Change comment: There is no comment for this version
To version 122.1
edited by Xiaoling
on 2023/11/28 15:05
Change comment: Uploaded new attachment "1701155150328-206.png", version {1}

Summary

Details

Page properties
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 -
51 -
52 52  == 1.3 Specification ==
53 53  
54 54  
... ... @@ -62,8 +62,6 @@
62 62  * ToF FoV: ±9°, Total 18°
63 63  * Light source: VCSEL
64 64  
65 -
66 -
67 67  == 1.4 Power Consumption ==
68 68  
69 69  
... ... @@ -77,8 +77,6 @@
77 77  * Idle: 21 mA @ 3.3v
78 78  * Max : 360 mA
79 79  
80 -
81 -
82 82  = 2. Configure DS20L to connect to LoRaWAN network =
83 83  
84 84  == 2.1 How it works ==
... ... @@ -212,25 +212,45 @@
212 212  === 2.3.2 Uplink Payload, FPORT~=2 ===
213 213  
214 214  
215 -==== (% style="color:red" %)**MOD~=1**(%%) ====
209 +(((
210 +DS20L will send this uplink **after** Device Status once join the LoRaWAN network successfully. And DS20L will:
216 216  
212 +periodically send this uplink every 20 minutes, this interval [[can be changed>>||anchor="H3.3.1SetTransmitIntervalTime"]].
213 +
214 +Uplink Payload totals 11 bytes.
215 +)))
216 +
217 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
218 +|=(% style="width: 60px;background-color:#4F81BD;color:white" %)(((
219 +**Size(bytes)**
220 +)))|=(% 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**
221 +|(% style="width:62.5px" %)Value|(% style="width:62.5px" %)[[BAT>>||anchor="HBatteryInfo"]]|(% style="width:62.5px" %)(((
222 +[[Temperature DS18B20>>||anchor="HDS18B20Temperaturesensor"]]
223 +)))|[[Distance>>||anchor="HDistance"]]|[[Distance signal strength>>||anchor="HDistancesignalstrength"]]|(% style="width:122px" %)(((
224 +[[Interrupt flag & Interrupt_level>>||anchor="HInterruptPin26A0InterruptLevel"]]
225 +)))|(% style="width:54px" %)[[LiDAR temp>>||anchor="HLiDARtemp"]]|(% style="width:96px" %)(((
226 +[[Message Type>>||anchor="HMessageType"]]
227 +)))
228 +
229 +==== (% style="color:red" %)**MOD~=1** ====
230 +
217 217  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.
218 218  
219 219  Uplink Payload totals 10 bytes.
220 220  
221 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
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
235 +(% border="1" cellspacing="4" style="width:510px;background-color:#f2f2f2" %)
236 +|(% style="width:60px;background-color:#4F81BD;color:white" %)**Size(bytes)**|(% style="width:30px;background-color:#4F81BD;color:white" %)**2**|(% style="width:130px;background-color:#4F81BD;color:white" %)**1**|(% style="width:70px;background-color:#4F81BD;color:white" %)**2**|(% style="width:100px;background-color:#4F81BD;color:white" %)**1**|(% style="width:120px;background-color:#4F81BD;color:white" %)**4**
237 +|(% style="width:91px" %)Value|(% style="width:41px" %)[[BAT>>||anchor="HBatteryInfo"]]|(% style="width:176px" %)MOD+ Alarm+Interrupt|(% style="width:74px" %)Distance|(% style="width:100px" %)Sensor State|(% style="width:119px" %)Interrupt Count
224 224  
225 -[[image:1701155076393-719.png]]
226 226  
227 -(% style="color:blue" %)**Battery Info:**
240 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image001.png]]
228 228  
242 +(% style="color:blue" %)**Battery Info**
243 +
229 229  Check the battery voltage for DS20L
230 230  
231 231  Ex1: 0x0E10 = 3600mV
232 232  
233 -
234 234  (% style="color:blue" %)**MOD & Alarm & Interrupt:**
235 235  
236 236  (% style="color:red" %)**MOD:**
... ... @@ -248,37 +248,36 @@
248 248  
249 249  Whether it is an external interrupt.
250 250  
265 +(% style="color:blue" %)**Distance info**
251 251  
252 -(% style="color:blue" %)**Distance info:**
253 -
254 254  **Example**:
255 255  
256 256  If payload is: 0708H: distance = 0708H = 1800 mm
257 257  
271 +(% style="color:blue" %)**Sensor State**
258 258  
259 -(% style="color:blue" %)**Sensor State:**
260 -
261 261  Ex1: 0x00: Normal collection distance
262 262  
263 263  Ex2 0x0x: Distance collection is wrong
264 264  
277 +(% style="color:blue" %)**Interript Count**
265 265  
266 -(% style="color:blue" %)**Interript Count:**
267 -
268 268  If payload is:000007D0H: count = 07D0H =2000
269 269  
270 270  
271 271  
272 -==== (% style="color:red" %)**MOD~=2**(%%)** ** ====
273 273  
284 +==== (% style="color:red" %)**MOD=2** ====
285 +
274 274  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.
275 275  
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
288 +(% border="1" cellspacing="4" style="width:510px;background-color:#f2f2f2" %)
289 +|(% style="width:70px;background-color:#4F81BD;color:white" %)**Size(bytes)**|(% style="width:40px;background-color:#4F81BD;color:white" %)**2**|(% style="width:130px;background-color:#4F81BD;color:white" %)**1**|(% style="width:130px;background-color:#4F81BD;color:white" %)**4**|(% style="width:70px;background-color:#4F81BD;color:white" %)**2**|(% style="width:70px;background-color:#4F81BD;color:white" %)**2**
290 +|(% style="width:91px" %)Value|(% style="width:41px" %)[[BAT>>||anchor="HBatteryInfo"]]|(% 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
279 279  
280 -[[image:1701155150328-206.png]]
281 281  
293 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image001.png]]
294 +
282 282  (% style="color:blue" %)**MOD & Alarm & Do & Limit flag:**
283 283  
284 284  (% style="color:red" %)**MOD:**
... ... @@ -298,19 +298,19 @@
298 298  
299 299  (% style="color:red" %)**Limit flag:**
300 300  
301 -Mode for setting threshold: **0~~5**
314 +Mode for setting threshold: 0~~5
302 302  
303 -**0:** does not use upper and lower limits
316 +0: does not use upper and lower limits
304 304  
305 -**1:** Use upper and lower limits
318 +1: Use upper and lower limits
306 306  
307 -**2:** is less than the lower limit value
320 +2: is less than the lower limit value
308 308  
309 -**3:** is greater than the lower limit value
322 +3: is greater than the lower limit value
310 310  
311 -**4:** is less than the upper limit
324 +4: is less than the upper limit
312 312  
313 -**5:** is greater than the upper limit
326 +5: is greater than the upper limit
314 314  
315 315  
316 316  (% style="color:blue" %)**Upper limit:**
... ... @@ -317,15 +317,96 @@
317 317  
318 318  The upper limit of the threshold cannot exceed 2000mm.
319 319  
320 -
321 321  (% style="color:blue" %)**Lower limit:**
322 322  
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 ===
338 +=== 2.3.3 Historical measuring distance, FPORT~=3 ===
327 327  
328 328  
341 +DS20L stores sensor values and users can retrieve these history values via the [[downlink command>>||anchor="H2.5.4Pollsensorvalue"]].
342 +
343 +The historical payload includes one or multiplies entries and every entry has the same payload as Real-Time measuring distance.
344 +
345 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
346 +|=(% style="width: 60px;background-color:#4F81BD;color:white" %)(((
347 +**Size(bytes)**
348 +)))|=(% 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
349 +|(% style="width:62.5px" %)Value|(% style="width:62.5px" %)Interrupt flag & Interrupt_level|(% style="width:62.5px" %)(((
350 +Reserve(0xFF)
351 +)))|Distance|Distance signal strength|(% style="width:88px" %)(((
352 +LiDAR temp
353 +)))|(% style="width:85px" %)Unix TimeStamp
354 +
355 +**Interrupt flag & Interrupt level:**
356 +
357 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:480px" %)
358 +|=(% style="width: 60px;background-color:#4F81BD;color:white" %)(((
359 +**Size(bit)**
360 +)))|=(% 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**
361 +|(% 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" %)(((
362 +Interrupt flag
363 +)))
364 +
365 +* (((
366 +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.
367 +)))
368 +
369 +For example, in the US915 band, the max payload for different DR is:
370 +
371 +**a) DR0:** max is 11 bytes so one entry of data
372 +
373 +**b) DR1:** max is 53 bytes so devices will upload 4 entries of data (total 44 bytes)
374 +
375 +**c) DR2:** total payload includes 11 entries of data
376 +
377 +**d) DR3:** total payload includes 22 entries of data.
378 +
379 +If DS20L doesn't have any data in the polling time. It will uplink 11 bytes of 0
380 +
381 +
382 +**Downlink:**
383 +
384 +0x31 64 CC 68 0C 64 CC 69 74 05
385 +
386 +[[image:image-20230805144936-2.png||height="113" width="746"]]
387 +
388 +**Uplink:**
389 +
390 +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
391 +
392 +
393 +**Parsed Value:**
394 +
395 +[DISTANCE , DISTANCE_SIGNAL_STRENGTH，LIDAR_TEMP，EXTI_STATUS , EXTI_FLAG , TIME]
396 +
397 +
398 +[360,176,30,High,True,2023-08-04 02:53:00],
399 +
400 +[355,168,30,Low,False,2023-08-04 02:53:29],
401 +
402 +[245,211,30,Low,False,2023-08-04 02:54:29],
403 +
404 +[57,700,30,Low,False,2023-08-04 02:55:29],
405 +
406 +[361,164,30,Low,True,2023-08-04 02:56:00],
407 +
408 +[337,184,30,Low,False,2023-08-04 02:56:40],
409 +
410 +[20,4458,30,Low,False,2023-08-04 02:57:40],
411 +
412 +[362,173,30,Low,False,2023-08-04 02:58:53],
413 +
414 +
415 +**History read from serial port：**
416 +
417 +[[image:image-20230805145056-3.png]]
418 +
419 +
420 +=== 2.3.4 Decode payload in The Things Network ===
421 +
422 +
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"]]
469 +[[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  
... ... @@ -458,9 +458,6 @@
458 458  )))
459 459  * (((
460 460  Example 2: Downlink Payload: 0100003C  ~/~/ Set Transmit Interval (TDC) = 60 seconds
461 -
462 -
463 -
464 464  )))
465 465  
466 466  === 3.3.2 Set Interrupt Mode ===
... ... @@ -502,10 +502,9 @@
502 502  * Example 2: Downlink Payload: 06000003  ~/~/  Set the interrupt mode to rising edge trigger
503 503  
504 504  
594 +== 3.3.3 Set work mode ==
505 505  
506 -=== 3.3.3 Set work mode ===
507 507  
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  
... ... @@ -546,20 +546,7 @@
546 546  
547 547  
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
635 +|(% 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.
... ... @@ -585,16 +585,8 @@
585 585  
586 586  * Example 1: Downlink Payload: 070107080064000190  **~-~-->**  AT+MOD=1,1800,100,0,400
587 587  
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
591 591  
592 -* Example 4: Downlink Payload: 070407080000000190  **~-~-->**  AT+MOD=4,0,100,0,400
593 -
594 -* Example 5: Downlink Payload: 070507080000000190  **~-~-->**  AT+MOD=5,1800,100,0,400
595 -
596 -
597 -
598 598  = 4. Battery & Power Consumption =
599 599  
600 600  
... ... @@ -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? ==
... ... @@ -633,33 +633,6 @@
633 633  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"]]
634 634  
635 635  
636 -== 6.2 DS20L programming line ==
637 -
638 -
639 -缺图 后续补上
640 -
641 -feature:
642 -
643 -for AT commands
644 -
645 -Update the firmware of DS20L
646 -
647 -Support interrupt mode
648 -
649 -
650 -== 6.3 LiDAR probe position ==
651 -
652 -
653 -[[image:1701155390576-216.png||height="285" width="307"]]
654 -
655 -The black oval hole in the picture is the LiDAR probe.
656 -
657 -
658 -== 6.4 Interface definition ==
659 -
660 -[[image:image-20231128151132-2.png||height="305" width="557"]]
661 -
662 -
663 663  = 7. Trouble Shooting =
664 664  
665 665  == 7.1 AT Command input doesn't work ==
... ... @@ -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  
1701155390576-216.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Xiaoling
Size
... ... @@ -1,1 +1,0 @@
1 -293.9 KB
Content
image-20231128151132-2.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Xiaoling
Size
... ... @@ -1,1 +1,0 @@
1 -281.2 KB
Content
image-20231129085201-1.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Xiaoling
Size
... ... @@ -1,1 +1,0 @@
1 -70.6 KB
Content