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Last modified by Mengting Qiu on 2023/12/14 11:15
From version 170.1
edited by Edwin Chen
on 2023/12/11 22:50
Change comment: There is no comment for this version
To version 158.1
edited by Mengting Qiu
on 2023/12/09 17:34
Change comment: Uploaded new attachment "image-20231209173457-5.png", version {1}

Summary

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1 -XWiki.Edwin
1 +XWiki.ting
Content
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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 -
51 51  == 1.3 Specification ==
52 52  
52 +
53 53  (% style="color:#037691" %)**LiDAR Sensor:**
54 54  
55 55  * Operation Temperature: -40 ~~ 80 °C
... ... @@ -60,13 +60,12 @@
60 60  * ToF FoV: ±9°, Total 18°
61 61  * Light source: VCSEL
62 62  
63 -
64 64  == 1.4 Power Consumption ==
65 65  
66 66  
67 67  (% style="color:#037691" %)**Battery Power Mode:**
68 68  
69 -* Idle: 3uA @ 3.3v
68 +* Idle: 0.003 mA @ 3.3v
70 70  * Max : 360 mA
71 71  
72 72  (% style="color:#037691" %)**Continuously mode**:
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74 74  * Idle: 21 mA @ 3.3v
75 75  * Max : 360 mA
76 76  
77 -
78 -== 1.5 Use Case ==
79 -
80 -(% class="mark" %)**Regular Distance Detect**
81 -
82 -[[image:image-20231211220922-1.png||height="352" width="605"]]
83 -
84 -
85 -(% class="mark" %)**Counting / Alarm**
86 -
87 -[[image:image-20231211221253-2.png]]
88 -
89 -
90 -[[image:image-20231211221436-3.png]]
91 -
92 -
93 93  = 2. Configure DS20L to connect to LoRaWAN network =
94 94  
95 95  == 2.1 How it works ==
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129 129  
130 130  
131 131  
132 -=== Step 2: Activate DS20L ===
115 +=== Step 2: Activate on DS20L ===
133 133  
134 134  [[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  
138 -The switch is switched to (% style="color:blue" %)**E** (%%)and the external power supply is used.
139 -
140 -The switch is switched to (% style="color:blue" %)**I** (%%)and DS20L will be power by the built-in battery.
141 -
142 142  (% style="color:green" %)**Green led**(%%) will fast blink 5 times, device will enter (% style="color:blue" %)**OTA mode**(%%) for 3 seconds. And then start to JOIN LoRaWAN network. (% style="color:green" %)**Green led**(%%) will solidly turn on for 5 seconds after joined in network.
143 143  
144 144  After join success, it will start to upload messages to TTN and you can see the messages in the panel.
... ... @@ -218,7 +218,7 @@
218 218  === 2.3.2 Uplink Payload, FPORT~=2 ===
219 219  
220 220  
221 -==== (% style="color:red" %)**AT+MOD~=1**(%%) ====
200 +==== (% style="color:red" %)**MOD~=1**(%%) ====
222 222  
223 223  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.
224 224  
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266 266  
267 267  Ex1: 0x00: Normal collection distance
268 268  
269 -Ex2: 0x0x: Distance collection is wrong
248 +Ex2 0x0x: Distance collection is wrong
270 270  
271 271  
272 -(% style="color:blue" %)**Interrupt Count:**
251 +(% style="color:blue" %)**Interript Count:**
273 273  
274 274  If payload is:000007D0H: count = 07D0H =2000
275 275  
276 276  
277 277  
278 -==== (% style="color:red" %)**AT+MOD~=2**(%%)** ** ====
257 +==== (% style="color:red" %)**MOD~=2**(%%)** ** ====
279 279  
259 +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.
280 280  
281 -The power consumption of uninterrupted measurement is high, and the device needs to use external power supply.(The switch is switched to E and the external power supply is used.)
282 -
283 -[[image:image-20231128133704-1.png||height="189" width="441"]]
284 -
285 -
286 -* **Set over-limit alarm mode: AT+DOL=3,500,244,**(% style="color:red" %)0(%%)**,120**
287 -
288 -(% class="wikigeneratedid" id="HUninterruptedmeasurement.Whenthedistanceexceedsthelimit2CtheoutputIOissethighandreportsarereportedeveryfiveminutes.Thetimecanbesetandpoweredbyanexternalpowersupply.UplinkPayloadtotals11bytes." %)
289 -Uninterrupted measurement. When the distance exceeds the limit, the output IO high, instant alarm. Uplink Payload totals 9 bytes.
290 -
291 291  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
292 -|(% 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" %)**2**|(% style="background-color:#4f81bd; color:white; width:70px" %)**2**|(% style="background-color:#4f81bd; color:white; width:70px" %)**2**
293 -|(% style="width:91px" %)Value|(% style="width:41px" %)BAT|(% style="width:176px" %)MOD+Alarm+DO+Limit flag|(% style="width:74px" %)Distance |(% style="width:100px" %)Upper limit|(% style="width:119px" %)Lower limit
294 -
295 -[[image:image-20231209171127-3.png||height="374" width="1209"]]
296 -
297 -(% style="color:blue" %)**MOD & Alarm & Do & Limit flag:**
298 -
299 -(% style="color:red" %)**MOD:**
300 -
301 -**Example: ** (0x60>>6) & 0x3f =1
302 -
303 -**0x01:**  Regularly detect distance and report.
304 -**0x02: ** Uninterrupted measurement (external power supply).
305 -
306 -(% style="color:red" %)**Alarm:**
307 -
308 -When the detection distance exceeds the limit, the alarm flag is set to 1.
309 -
310 -(% style="color:red" %)**DO:**
311 -
312 -When the distance exceeds the set threshold, pull the Do pin high.
313 -
314 -(% style="color:red" %)**Limit flag:**
315 -
316 -Mode for setting threshold: **0~~3**
317 -
318 -**0:** does not use upper and lower limits
319 -
320 -**1:** Use upper and lower limits
321 -
322 -**2:** Less than the upper limit
323 -
324 -**3: **Greater than the lower limit
325 -
326 -
327 -(% style="color:blue" %)**Distance:**
328 -
329 - Actual sampling distance values.
330 -
331 -**Example:**
332 -
333 -**AT+DOL=1,500,244,**(% style="color:red" %)0(%%)**,120  **
334 -
335 -The distance is detected every 120ms.
336 -
337 -When the actual detection value is within the range of [244mm,500mm], the data is uploaded in the normal TDC time.
338 -
339 -When the actual detection value is outside the range of [244mm,500mm], the uplink data will be immediately alerted.
340 -
341 -If payload is: 0708H: distance = 0708H = 1800 mm
342 -
343 -
344 -(% style="color:blue" %)**Upper limit:**
345 -
346 -The upper limit of the threshold cannot exceed 2000mm.
347 -
348 -
349 -(% style="color:blue" %)**Lower limit:**
350 -
351 -The lower limit of the threshold cannot be less than 3mm.
352 -
353 -
354 -* **Set the person or object count mode: AT+DOL=1,500,244,**(% style="color:red" %)1(%%)**,120**
355 -
356 -Continuous measurement, detect and count people or things passing by in distance limit mode. Uplink Payload totals 11 bytes.
357 -
358 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:600px" %)
359 359  |(% 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**
360 -|(% style="width:91px" %)Value|(% style="width:41px" %)BAT|(% style="width:176px" %)MOD+Alarm+Do+Limit flag|(% style="width:176px" %)Distance limit alarm count|(% style="width:100px" %)Upper limit|(% style="width:119px" %)Lower limit
263 +|(% 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
361 361  
362 -[[image:image-20231209173457-5.png||height="277" width="1098"]]
265 +[[image:image-20231209155616-2.png||height="271" width="1262"]]
363 363  
364 364  (% style="color:blue" %)**MOD & Alarm & Do & Limit flag:**
365 365  
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391 391  **3: **Greater than the lower limit
392 392  
393 393  
394 -(% style="color:blue" %)**Distance limit alarm count:**
395 -
396 -People or objects are collected and counted within a limited distance.
397 -
398 -The detection of a stationary person or object at each sampling time will be repeated three times, and the fourth sampling count will be added by 1.
399 -
400 -**Example:**
401 -
402 -**AT+DOL=1,500,244,**(% style="color:red" %)1(%%)**,120   **
403 -
404 -People or objects passing within the distance range of [244mm,500mm] are detected and counted every 120ms.
405 -
406 -If payload is: 0x56H, interrupt count =0x56H =86
407 -
408 -
409 409  (% style="color:blue" %)**Upper limit:**
410 410  
411 411  The upper limit of the threshold cannot exceed 2000mm.
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437 437  
438 438  
439 439  (((
440 -[[DATACAKE>>url:https://datacake.co/]] provides a human friendly interface to show the sensor data, onhuman-friendlya in TTN, we can use [[DATACAKE>>url:https://datacake.co/]] to connect to TTN and see the data in DATACAKE. Below are the steps:
328 +[[DATACAKE>>url:https://datacake.co/]] provides a human friendly interface to show the sensor data, once we have data in TTN, we can use [[DATACAKE>>url:https://datacake.co/]] to connect to TTN and see the data in DATACAKE. Below are the steps:
441 441  )))
442 442  
443 443  
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510 510  == 3.3 Commands special design for DS20L ==
511 511  
512 512  
513 -Below commands only valid for DS20L, as below:
401 +These commands only valid for DS20L, as below:
514 514  
515 515  
516 516  === 3.3.1 Set Transmit Interval Time ===
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596 596  
597 597  * Example 2: Downlink Payload: 06000003  ~/~/  Set the interrupt mode to rising edge trigger
598 598  
599 -
600 600  === 3.3.3 Set work mode ===
601 601  
602 602  
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618 618  
619 619  * **Example:** 0x0A02  ~/~/  Same as AT+MOD=2
620 620  
621 -
622 622  === 3.3.4 Set threshold and threshold mode ===
623 623  
624 624  
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636 636  )))
637 637  |(% style="width:172px" %)AT+ DOL =1,1800,100,0,400|(% style="width:279px" %)Set only the upper and lower thresholds|(% style="width:118px" %)OK
638 638  
639 -(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:510px" %)
640 -|=(% 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" %) Parameter
525 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
641 641  |(% rowspan="11" style="color:blue; width:120px" %)(((
642 642  
643 643  
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650 650  
651 651  
652 652  
653 -**AT+DOL=1,1800,3,0,400**
538 +**AT+DOL=5,1800,0,0,400**
654 654  )))|(% rowspan="4" style="width:240px" %)(((
655 655  
656 656  
657 657  
658 658  
544 +
545 +
659 659  The first bit sets the limit mode
660 660  )))|(% style="width:150px" %)0: Do not use upper and lower limits
661 661  |(% style="width:251px" %)1: Use upper and lower limits
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681 681  
682 682  * Example 1: Downlink Payload: 070107080064000190  **~-~-->**  AT+MOD=1,1800,100,0,400
683 683  
684 -* Example 2: Downlink Payload: 070200000064000190  **~-~-->**  AT+MOD=2,1800,100,0,400
571 +* Example 2: Downlink Payload: 070200000064000190  **~-~-->**  AT+MOD=2,1800100,0,400
685 685  
686 686  * Example 3: Downlink Payload: 070300000064000190  **~-~-->**  AT+MOD=3,0,100,0,400
687 687  
688 -(% style="color:Red" %)**Note: The over-limit alarm is applied to MOD1 and MOD2.**
689 -
690 -**For example:**
691 -
692 -* **AT+MOD=1**
693 -
694 - **AT+DOL=1,500,244,**(% style="color:blue" %)0(%%)**,300**
695 -
696 -Send data according to the normal TDC time. If the mode limit is exceeded, the alarm flag is set to 1:
697 -
698 -[[image:image-20231211113204-2.png||height="292" width="1093"]]
699 -
700 -* **AT+MOD=2  **
701 -
702 - **AT+DOL=1,500,244,**(% style="color:blue" %)0(%%)**,300**
703 -
704 -If the mode limit is exceeded, the data is immediately uplink and the alarm flag is set to 1:
705 -
706 -[[image:image-20231211114932-3.png||height="277" width="1248"]]
707 -
708 -
709 -
710 -
711 -
712 712  = 4. Battery & Power Consumption =
713 713  
714 714  
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737 737  
738 738  * 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]]**.
739 739  
740 -
741 741  = 6. FAQ =
742 742  
743 743  == 6.1 What is the frequency plan for DS20L? ==
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