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Last modified by Mengting Qiu on 2023/12/14 11:15
From version 125.4
edited by Xiaoling
on 2023/11/29 09:03
Change comment: There is no comment for this version
To version 120.1
edited by Xiaoling
on 2023/11/28 14:29
Change comment: Uploaded new attachment "1701152946067-561.png", version {1}

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... ... @@ -206,120 +206,219 @@
206 206  === 2.3.2 Uplink Payload, FPORT~=2 ===
207 207  
208 208  
209 -==== (% style="color:red" %)**MOD~=1**(%%) ====
209 +(((
210 +DS20L will send this uplink **after** Device Status once join the LoRaWAN network successfully. And DS20L will:
210 210  
211 -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.
212 +periodically send this uplink every 20 minutes, this interval [[can be changed>>||anchor="H3.3.1SetTransmitIntervalTime"]].
212 212  
213 -Uplink Payload totals 10 bytes.
214 +Uplink Payload totals 11 bytes.
215 +)))
214 214  
215 215  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
216 -|(% 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**
217 -|(% 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
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 +)))
218 218  
219 -[[image:1701155076393-719.png]]
229 +[[image:image-20230805104104-2.png||height="136" width="754"]]
220 220  
221 -(% style="color:blue" %)**Battery Info:**
222 222  
223 -Check the battery voltage for DS20L
232 +==== (% style="color:blue" %)**Battery Info**(%%) ====
224 224  
225 -Ex1: 0x0E10 = 3600mV
226 226  
235 +Check the battery voltage for DS20L.
227 227  
228 -(% style="color:blue" %)**MOD & Alarm & Interrupt:**
237 +Ex1: 0x0B45 = 2885mV
229 229  
230 -(% style="color:red" %)**MOD:**
239 +Ex2: 0x0B49 = 2889mV
231 231  
232 -**Example: ** (0x60>>6) & 0x3f =1
233 233  
234 -**0x01:**  Regularly detect distance and report.
235 -**0x02: ** Uninterrupted measurement (external power supply).
242 +==== (% style="color:blue" %)**DS18B20 Temperature sensor**(%%) ====
236 236  
237 -(% style="color:red" %)**Alarm:**
238 238  
239 -When the detection distance exceeds the limit, the alarm flag is set to 1.
245 +This is optional, user can connect external DS18B20 sensor to the +3.3v, 1-wire and GND pin . and this field will report temperature.
240 240  
241 -(% style="color:red" %)**Interrupt:**
242 242  
243 -Whether it is an external interrupt.
248 +**Example**:
244 244  
250 +If payload is: 0105H:  (0105 & FC00 == 0), temp = 0105H /10 = 26.1 degree
245 245  
246 -(% style="color:blue" %)**Distance info:**
252 +If payload is: FF3FH :  (FF3F & FC00 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
247 247  
254 +
255 +==== (% style="color:blue" %)**Distance**(%%) ====
256 +
257 +
258 +Represents the distance value of the measurement output, the default unit is cm, and the value range parsed as a decimal number is 0-1200. In actual use, when the signal strength value Strength.
259 +
260 +
248 248  **Example**:
249 249  
250 -If payload is: 0708H: distance = 0708H = 1800 mm
263 +If the data you get from the register is 0x0B 0xEA, the distance between the sensor and the measured object is 0BEA(H) = 3050 (D)/10 = 305cm.
251 251  
252 252  
253 -(% style="color:blue" %)**Sensor State:**
266 +==== (% style="color:blue" %)**Distance signal strength**(%%) ====
254 254  
255 -Ex1: 0x00: Normal collection distance
256 256  
257 -Ex2 0x0x: Distance collection is wrong
269 +Refers to the signal strength, the default output value will be between 0-65535. When the distance measurement gear is fixed, the farther the distance measurement is, the lower the signal strength; the lower the target reflectivity, the lower the signal strength. When Strength is greater than 100 and not equal to 65535, the measured value of Dist is considered credible.
258 258  
259 259  
260 -(% style="color:blue" %)**Interript Count:**
272 +**Example**:
261 261  
262 -If payload is:000007D0H: count = 07D0H =2000
274 +If payload is: 01D7(H)=471(D), distance signal strength=471, 471>100,471≠65535, the measured value of Dist is considered credible.
263 263  
276 +Customers can judge whether they need to adjust the environment based on the signal strength.
264 264  
265 265  
266 -==== (% style="color:red" %)**MOD~=2**(%%)** ** ====
279 +**1) When the sensor detects valid data:**
267 267  
268 -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.
281 +[[image:image-20230805155335-1.png||height="145" width="724"]]
269 269  
283 +
284 +**2) When the sensor detects invalid data:**
285 +
286 +[[image:image-20230805155428-2.png||height="139" width="726"]]
287 +
288 +
289 +**3) When the sensor is not connected:**
290 +
291 +[[image:image-20230805155515-3.png||height="143" width="725"]]
292 +
293 +
294 +==== (% style="color:blue" %)**Interrupt Pin & Interrupt Level**(%%) ====
295 +
296 +
297 +This data field shows if this packet is generated by interrupt or not. [[Click here>>||anchor="H3.3.2SetInterruptMode"]] for the hardware and software set up.
298 +
299 +Note: The Internet Pin is a separate pin in the screw terminal. See pin mapping of GPIO_EXTI .
300 +
301 +**Example:**
302 +
303 +If byte[0]&0x01=0x00 : Normal uplink packet.
304 +
305 +If byte[0]&0x01=0x01 : Interrupt Uplink Packet.
306 +
307 +
308 +==== (% style="color:blue" %)**LiDAR temp**(%%) ====
309 +
310 +
311 +Characterize the internal temperature value of the sensor.
312 +
313 +**Example: **
314 +If payload is: 1C(H) <<24>>24=28(D),LiDAR temp=28℃.
315 +If payload is: F2(H) <<24>>24=-14(D),LiDAR temp=-14℃.
316 +
317 +
318 +==== (% style="color:blue" %)**Message Type**(%%) ====
319 +
320 +
321 +(((
322 +For a normal uplink payload, the message type is always 0x01.
323 +)))
324 +
325 +(((
326 +Valid Message Type:
327 +)))
328 +
329 +(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:499px" %)
330 +|=(% style="width: 161px;background-color:#4F81BD;color:white" %)**Message Type Code**|=(% style="width: 164px;background-color:#4F81BD;color:white" %)**Description**|=(% style="width: 174px;background-color:#4F81BD;color:white" %)**Payload**
331 +|(% style="width:160px" %)0x01|(% style="width:163px" %)Normal Uplink|(% style="width:173px" %)Normal Uplink Payload
332 +|(% style="width:160px" %)0x02|(% style="width:163px" %)Reply configures info|(% style="width:173px" %)Configure Info Payload
333 +
334 +[[image:image-20230805150315-4.png||height="233" width="723"]]
335 +
336 +
337 +=== 2.3.3 Historical measuring distance, FPORT~=3 ===
338 +
339 +
340 +DS20L stores sensor values and users can retrieve these history values via the [[downlink command>>||anchor="H2.5.4Pollsensorvalue"]].
341 +
342 +The historical payload includes one or multiplies entries and every entry has the same payload as Real-Time measuring distance.
343 +
270 270  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
271 -|(% 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**
272 -|(% 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
345 +|=(% style="width: 60px;background-color:#4F81BD;color:white" %)(((
346 +**Size(bytes)**
347 +)))|=(% 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
348 +|(% style="width:62.5px" %)Value|(% style="width:62.5px" %)Interrupt flag & Interrupt_level|(% style="width:62.5px" %)(((
349 +Reserve(0xFF)
350 +)))|Distance|Distance signal strength|(% style="width:88px" %)(((
351 +LiDAR temp
352 +)))|(% style="width:85px" %)Unix TimeStamp
273 273  
274 -[[image:1701155150328-206.png]]
354 +**Interrupt flag & Interrupt level:**
275 275  
276 -(% style="color:blue" %)**MOD & Alarm & Do & Limit flag:**
356 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:480px" %)
357 +|=(% style="width: 60px;background-color:#4F81BD;color:white" %)(((
358 +**Size(bit)**
359 +)))|=(% 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**
360 +|(% 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" %)(((
361 +Interrupt flag
362 +)))
277 277  
278 -(% style="color:red" %)**MOD:**
364 +* (((
365 +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.
366 +)))
279 279  
280 -**Example: ** (0x60>>6) & 0x3f =1
368 +For example, in the US915 band, the max payload for different DR is:
281 281  
282 -**0x01:**  Regularly detect distance and report.
283 -**0x02: ** Uninterrupted measurement (external power supply).
370 +**a) DR0:** max is 11 bytes so one entry of data
284 284  
285 -(% style="color:red" %)**Alarm:**
372 +**b) DR1:** max is 53 bytes so devices will upload 4 entries of data (total 44 bytes)
286 286  
287 -When the detection distance exceeds the limit, the alarm flag is set to 1.
374 +**c) DR2:** total payload includes 11 entries of data
288 288  
289 -(% style="color:red" %)**Do:**
376 +**d) DR3:** total payload includes 22 entries of data.
290 290  
291 -When the distance exceeds the set threshold, pull the Do pin high.
378 +If DS20L doesn't have any data in the polling time. It will uplink 11 bytes of 0
292 292  
293 -(% style="color:red" %)**Limit flag:**
294 294  
295 -Mode for setting threshold: 0~~5
381 +**Downlink:**
296 296  
297 -0: does not use upper and lower limits
383 +0x31 64 CC 68 0C 64 CC 69 74 05
298 298  
299 -1: Use upper and lower limits
385 +[[image:image-20230805144936-2.png||height="113" width="746"]]
300 300  
301 -2: is less than the lower limit value
387 +**Uplink:**
302 302  
303 -3: is greater than the lower limit value
389 +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
304 304  
305 -4: is less than the upper limit
306 306  
307 -5: is greater than the upper limit
392 +**Parsed Value:**
308 308  
394 +[DISTANCE , DISTANCE_SIGNAL_STRENGTH，LIDAR_TEMP，EXTI_STATUS , EXTI_FLAG , TIME]
309 309  
310 -(% style="color:blue" %)**Upper limit:**
311 311  
312 -The upper limit of the threshold cannot exceed 2000mm.
397 +[360,176,30,High,True,2023-08-04 02:53:00],
313 313  
399 +[355,168,30,Low,False,2023-08-04 02:53:29],
314 314  
315 -(% style="color:blue" %)**Lower limit:**
401 +[245,211,30,Low,False,2023-08-04 02:54:29],
316 316  
317 -The lower limit of the threshold cannot be less than 3mm.
403 +[57,700,30,Low,False,2023-08-04 02:55:29],
318 318  
405 +[361,164,30,Low,True,2023-08-04 02:56:00],
319 319  
320 -=== 2.3.3 Decode payload in The Things Network ===
407 +[337,184,30,Low,False,2023-08-04 02:56:40],
321 321  
409 +[20,4458,30,Low,False,2023-08-04 02:57:40],
322 322  
411 +[362,173,30,Low,False,2023-08-04 02:58:53],
412 +
413 +
414 +**History read from serial port：**
415 +
416 +[[image:image-20230805145056-3.png]]
417 +
418 +
419 +=== 2.3.4 Decode payload in The Things Network ===
420 +
421 +
323 323  While using TTN network, you can add the payload format to decode the payload.
324 324  
325 325  [[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"]]
... ... @@ -366,7 +366,7 @@
366 366  
367 367  After added, the sensor data arrive TTN V3, it will also arrive and show in Datacake.
368 368  
369 -[[image:image-20231129085201-1.png||height="515" width="961"]]
468 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/image-20220610165129-11.png?width=1088&height=595&rev=1.1||alt="image-20220610165129-11.png"]]
370 370  
371 371  
372 372  == 2.5 Frequency Plans ==
... ... @@ -450,9 +450,6 @@
450 450  )))
451 451  * (((
452 452  Example 2: Downlink Payload: 0100003C  ~/~/ Set Transmit Interval (TDC) = 60 seconds
453 -
454 -
455 -
456 456  )))
457 457  
458 458  === 3.3.2 Set Interrupt Mode ===
... ... @@ -493,9 +493,10 @@
493 493  
494 494  * Example 2: Downlink Payload: 06000003  ~/~/  Set the interrupt mode to rising edge trigger
495 495  
496 -=== 3.3.3 Set work mode ===
497 497  
593 +== 3.3.3 Set work mode ==
498 498  
595 +
499 499  Feature: Switch working mode
500 500  
501 501  (% style="color:blue" %)**AT Command: AT+MOD**
... ... @@ -531,21 +531,10 @@
531 531  )))
532 532  |(% style="width:172px" %)AT+ DOL =1,1800,100,0,400|(% style="width:279px" %)Set only the upper and lower thresholds|(% style="width:118px" %)OK
533 533  
534 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
535 -|(% rowspan="11" style="color:blue; width:120px" %)(((
536 -
537 537  
538 538  
539 -
540 -
541 -
542 -
543 -
544 -
545 -
546 -
547 -**AT+DOL=5,1800,0,0,400**
548 -)))|(% rowspan="6" style="width:240px" %)The first bit sets the limit mode|(% style="width:150px" %)0: Do not use upper and lower limits
633 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
634 +|(% 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
549 549  |(% style="width:251px" %)1: Use upper and lower limits
550 550  |(% style="width:251px" %)2: Less than the lower limit
551 551  |(% style="width:251px" %)3: Greater than the lower limit
... ... @@ -561,11 +561,6 @@
561 561  
562 562  )))
563 563  
564 -
565 -
566 -
567 -
568 -
569 569  (% style="color:blue" %)**Downlink Command: 0x07**
570 570  
571 571  Format: Command Code (0x07) followed by 9bytes.
... ... @@ -574,14 +574,8 @@
574 574  
575 575  * Example 1: Downlink Payload: 070107080064000190  **~-~-->**  AT+MOD=1,1800,100,0,400
576 576  
577 -* Example 2: Downlink Payload: 070200000064000190  **~-~-->**  AT+MOD=2,0,100,0,400
578 578  
579 -* Example 3: Downlink Payload: 070300000064000190  **~-~-->**  AT+MOD=3,1800,100,0,400
580 580  
581 -* Example 4: Downlink Payload: 070407080000000190  **~-~-->**  AT+MOD=4,0,100,0,400
582 -
583 -* Example 5: Downlink Payload: 070507080000000190  **~-~-->**  AT+MOD=5,1800,100,0,400
584 -
585 585  = 4. Battery & Power Consumption =
586 586  
587 587  
... ... @@ -618,33 +618,6 @@
618 618  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"]]
619 619  
620 620  
621 -== 6.2 DS20L programming line ==
622 -
623 -
624 -缺图 后续补上
625 -
626 -feature:
627 -
628 -for AT commands
629 -
630 -Update the firmware of DS20L
631 -
632 -Support interrupt mode
633 -
634 -
635 -== 6.3 LiDAR probe position ==
636 -
637 -
638 -[[image:1701155390576-216.png||height="285" width="307"]]
639 -
640 -The black oval hole in the picture is the LiDAR probe.
641 -
642 -
643 -== 6.4 Interface definition ==
644 -
645 -[[image:image-20231128151132-2.png||height="305" width="557"]]
646 -
647 -
648 648  = 7. Trouble Shooting =
649 649  
650 650  == 7.1 AT Command input doesn't work ==
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