Skip to Content
Last modified by Mengting Qiu on 2023/12/14 11:15
From version 163.1
edited by Mengting Qiu
on 2023/12/11 11:54
Change comment: There is no comment for this version
To version 170.2
edited by Mengting Qiu
on 2023/12/12 10:36
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -49,7 +49,6 @@
49 49  
50 50  == 1.3 Specification ==
51 51  
52 -
53 53  (% style="color:#037691" %)**LiDAR Sensor:**
54 54  
55 55  * Operation Temperature: -40 ~~ 80 °C
... ... @@ -65,7 +65,7 @@
65 65  
66 66  (% style="color:#037691" %)**Battery Power Mode:**
67 67  
68 -* Idle: 0.003 mA @ 3.3v
67 +* Idle: 3uA @ 3.3v
69 69  * Max : 360 mA
70 70  
71 71  (% style="color:#037691" %)**Continuously mode**:
... ... @@ -73,6 +73,21 @@
73 73  * Idle: 21 mA @ 3.3v
74 74  * Max : 360 mA
75 75  
75 +== 1.5 Use Case ==
76 +
77 +(% class="mark" %)**Regular Distance Detect**
78 +
79 +[[image:image-20231211220922-1.png||height="352" width="605"]]
80 +
81 +
82 +(% class="mark" %)**Counting / Alarm**
83 +
84 +[[image:image-20231211221253-2.png]]
85 +
86 +
87 +[[image:image-20231211221436-3.png]]
88 +
89 +
76 76  = 2. Configure DS20L to connect to LoRaWAN network =
77 77  
78 78  == 2.1 How it works ==
... ... @@ -112,7 +112,7 @@
112 112  
113 113  
114 114  
115 -=== Step 2: Activate on DS20L ===
129 +=== Step 2: Activate DS20L ===
116 116  
117 117  [[image:image-20231128133704-1.png||height="189" width="441"]]
118 118  
... ... @@ -120,7 +120,7 @@
120 120  
121 121  The switch is switched to (% style="color:blue" %)**E** (%%)and the external power supply is used.
122 122  
123 -The switch is switched to (% style="color:blue" %)**I** (%%)and the motherboard battery is used for power supply.
137 +The switch is switched to (% style="color:blue" %)**I** (%%)and DS20L will be power by the built-in battery.
124 124  
125 125  (% 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.
126 126  
... ... @@ -205,12 +205,27 @@
205 205  
206 206  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.
207 207  
208 -Uplink Payload totals 10 bytes.
222 +**Uplink Payload totals 10 bytes.**
209 209  
210 210  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
211 -|(% 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**
212 -|(% 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
225 +|(% 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**
226 +|(% 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
213 213  
228 +**MOD+ Alarm+ Interrupt:**
229 +
230 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:400px" %)
231 +|(% style="background-color:#4f81bd; color:White; width:50px" %)**Size(bit)**|(% style="background-color:#4f81bd; color:White; width:60px" %)**[bit7:bit6]**|(% style="background-color:#4f81bd; color:White; width:70px" %)**bit5**|(% style="background-color:#4f81bd; color:White; width:120px" %)**bit4**
232 +|(% style="width:80px" %)Value|(% style="width:80px" %)MOD|(% style="width:89px" %)Digital Interrupt
233 + |(% style="width:167px" %)(((
234 +Distance Alarm
235 +
236 +0: No Alarm;
237 +
238 +1: Alarm
239 +)))
240 +
241 +Example parse in TTNv3
242 +
214 214  [[image:image-20231209152917-1.png||height="300" width="1172"]]
215 215  
216 216  (% style="color:blue" %)**Battery Info:**
... ... @@ -249,10 +249,10 @@
249 249  
250 250  Ex1: 0x00: Normal collection distance
251 251  
252 -Ex2 0x0x: Distance collection is wrong
281 +Ex2: 0x0x: Distance collection is wrong
253 253  
254 254  
255 -(% style="color:blue" %)**Interript Count:**
284 +(% style="color:blue" %)**Interrupt Count:**
256 256  
257 257  If payload is:000007D0H: count = 07D0H =2000
258 258  
... ... @@ -273,7 +273,7 @@
273 273  
274 274  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
275 275  |(% 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**
276 -|(% 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
305 +|(% 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
277 277  
278 278  [[image:image-20231209171127-3.png||height="374" width="1209"]]
279 279  
... ... @@ -290,7 +290,7 @@
290 290  
291 291  When the detection distance exceeds the limit, the alarm flag is set to 1.
292 292  
293 -(% style="color:red" %)**Do:**
322 +(% style="color:red" %)**DO:**
294 294  
295 295  When the distance exceeds the set threshold, pull the Do pin high.
296 296  
... ... @@ -311,7 +311,19 @@
311 311  
312 312   Actual sampling distance values.
313 313  
343 +**Example:**
314 314  
345 +**AT+DOL=1,500,244,**(% style="color:red" %)0(%%)**,120  **
346 +
347 +The distance is detected every 120ms.
348 +
349 +When the actual detection value is within the range of [244mm,500mm], the data is uploaded in the normal TDC time.
350 +
351 +When the actual detection value is outside the range of [244mm,500mm], the uplink data will be immediately alerted.
352 +
353 +If payload is: 0708H: distance = 0708H = 1800 mm
354 +
355 +
315 315  (% style="color:blue" %)**Upper limit:**
316 316  
317 317  The upper limit of the threshold cannot exceed 2000mm.
... ... @@ -328,13 +328,65 @@
328 328  
329 329  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:600px" %)
330 330  |(% 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**
331 -|(% 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
372 +|(% 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
332 332  
333 333  [[image:image-20231209173457-5.png||height="277" width="1098"]]
334 334  
376 +(% style="color:blue" %)**MOD & Alarm & Do & Limit flag:**
335 335  
378 +(% style="color:red" %)**MOD:**
336 336  
380 +**Example: ** (0x60>>6) & 0x3f =1
337 337  
382 +**0x01:**  Regularly detect distance and report.
383 +**0x02: ** Uninterrupted measurement (external power supply).
384 +
385 +(% style="color:red" %)**Alarm:**
386 +
387 +When the detection distance exceeds the limit, the alarm flag is set to 1.
388 +
389 +(% style="color:red" %)**Do:**
390 +
391 +When the distance exceeds the set threshold, pull the Do pin high.
392 +
393 +(% style="color:red" %)**Limit flag:**
394 +
395 +Mode for setting threshold: **0~~3**
396 +
397 +**0:** does not use upper and lower limits
398 +
399 +**1:** Use upper and lower limits
400 +
401 +**2:** Less than the upper limit
402 +
403 +**3: **Greater than the lower limit
404 +
405 +
406 +(% style="color:blue" %)**Distance limit alarm count:**
407 +
408 +People or objects are collected and counted within a limited distance.
409 +
410 +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.
411 +
412 +**Example:**
413 +
414 +**AT+DOL=1,500,244,**(% style="color:red" %)1(%%)**,120   **
415 +
416 +People or objects passing within the distance range of [244mm,500mm] are detected and counted every 120ms.
417 +
418 +If payload is: 0x56H, interrupt count =0x56H =86
419 +
420 +
421 +(% style="color:blue" %)**Upper limit:**
422 +
423 +The upper limit of the threshold cannot exceed 2000mm.
424 +
425 +
426 +(% style="color:blue" %)**Lower limit:**
427 +
428 +The lower limit of the threshold cannot be less than 3mm.
429 +
430 +
338 338  == 2.4 Decode payload in The Things Network ==
339 339  
340 340  
... ... @@ -356,7 +356,7 @@
356 356  
357 357  
358 358  (((
359 -[[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:
452 +[[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:
360 360  )))
361 361  
362 362  
... ... @@ -429,7 +429,7 @@
429 429  == 3.3 Commands special design for DS20L ==
430 430  
431 431  
432 -These commands only valid for DS20L, as below:
525 +Below commands only valid for DS20L, as below:
433 433  
434 434  
435 435  === 3.3.1 Set Transmit Interval Time ===
... ... @@ -553,7 +553,8 @@
553 553  )))
554 554  |(% style="width:172px" %)AT+ DOL =1,1800,100,0,400|(% style="width:279px" %)Set only the upper and lower thresholds|(% style="width:118px" %)OK
555 555  
556 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
649 +(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:510px" %)
650 +|=(% 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
557 557  |(% rowspan="11" style="color:blue; width:120px" %)(((
558 558  
559 559  
... ... @@ -566,14 +566,12 @@
566 566  
567 567  
568 568  
569 -**AT+DOL=5,1800,0,0,400**
663 +**AT+DOL=1,1800,3,0,400**
570 570  )))|(% rowspan="4" style="width:240px" %)(((
571 571  
572 572  
573 573  
574 574  
575 -
576 -
577 577  The first bit sets the limit mode
578 578  )))|(% style="width:150px" %)0: Do not use upper and lower limits
579 579  |(% style="width:251px" %)1: Use upper and lower limits
... ... @@ -599,18 +599,19 @@
599 599  
600 600  * Example 1: Downlink Payload: 070107080064000190  **~-~-->**  AT+MOD=1,1800,100,0,400
601 601  
602 -* Example 2: Downlink Payload: 070200000064000190  **~-~-->**  AT+MOD=2,1800100,0,400
694 +* Example 2: Downlink Payload: 070200000064000190  **~-~-->**  AT+MOD=2,1800,100,0,400
603 603  
604 604  * Example 3: Downlink Payload: 070300000064000190  **~-~-->**  AT+MOD=3,0,100,0,400
605 605  
698 +(% style="color:Red" %)**Note: The over-limit alarm is applied to MOD1 and MOD2.**
606 606  
607 -(% style="color:Red" %)**Note: The over-limit alarm the over-limit alarm.** (%%)For example:
700 +**For example:**
608 608  
609 609  * **AT+MOD=1**
610 610  
611 - **AT+DOL=1,500,244,**(% style="color:blue" %)0(%%)**,300**
704 + **AT+DOL=1,500,244,**(% style="color:blue" %)0(%%)**,300**
612 612  
613 -Send data according to the normal TDC time. If the mode limit is exceeded, the alarm flag is 1:
706 +Send data according to the normal TDC time. If the mode limit is exceeded, the alarm flag is set to 1:
614 614  
615 615  [[image:image-20231211113204-2.png||height="292" width="1093"]]
616 616  
... ... @@ -618,7 +618,7 @@
618 618  
619 619   **AT+DOL=1,500,244,**(% style="color:blue" %)0(%%)**,300**
620 620  
621 -If the mode limit is exceeded, the data is immediately uplink and the alarm flag is 1:
714 +If the mode limit is exceeded, the data is immediately uplink and the alarm flag is set to 1:
622 622  
623 623  [[image:image-20231211114932-3.png||height="277" width="1248"]]
624 624  
image-20231211220922-1.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Edwin
Size
... ... @@ -1,0 +1,1 @@
1 +411.2 KB
Content
image-20231211221253-2.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Edwin
Size
... ... @@ -1,0 +1,1 @@
1 +90.8 KB
Content
image-20231211221436-3.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Edwin
Size
... ... @@ -1,0 +1,1 @@
1 +64.9 KB
Content