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Last modified by Mengting Qiu on 2023/12/14 11:15
From version 170.2
edited by Mengting Qiu
on 2023/12/12 10:36
Change comment: There is no comment for this version
To version 119.1
edited by Xiaoling
on 2023/11/28 14:28
Change comment: Uploaded new attachment "1701152902759-553.png", version {1}

Summary

Details

Page properties
Author
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1 -XWiki.ting
1 +XWiki.Xiaoling
Content
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8 8  
9 9  
10 10  
11 -**Table of Contents:(% style="display:none" %) (%%)**
11 +**Table of Contents：**
12 12  
13 13  {{toc/}}
14 14  
... ... @@ -49,6 +49,7 @@
49 49  
50 50  == 1.3 Specification ==
51 51  
52 +
52 52  (% style="color:#037691" %)**LiDAR Sensor:**
53 53  
54 54  * Operation Temperature: -40 ~~ 80 °C
... ... @@ -64,7 +64,7 @@
64 64  
65 65  (% style="color:#037691" %)**Battery Power Mode:**
66 66  
67 -* Idle: 3uA @ 3.3v
68 +* Idle: 0.003 mA @ 3.3v
68 68  * Max : 360 mA
69 69  
70 70  (% style="color:#037691" %)**Continuously mode**:
... ... @@ -72,21 +72,6 @@
72 72  * Idle: 21 mA @ 3.3v
73 73  * Max : 360 mA
74 74  
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 -
90 90  = 2. Configure DS20L to connect to LoRaWAN network =
91 91  
92 92  == 2.1 How it works ==
... ... @@ -105,7 +105,7 @@
105 105  
106 106  [[image:image-20231110102635-5.png||height="402" width="807"]](% style="display:none" %)
107 107  
108 -=== Step 1: Create a device in TTN with the OTAA keys from DS20L. ===
94 +(% style="color:blue" %)**Step 1:**(%%) Create a device in TTN with the OTAA keys from DS20L.
109 109  
110 110  Each DS20L is shipped with a sticker with the default device EUI as below:
111 111  
... ... @@ -112,36 +112,41 @@
112 112  [[image:image-20230426084152-1.png||alt="图片-20230426084152-1.png" height="233" width="502"]]
113 113  
114 114  
115 -You can enter this key in the LoRaWAN Server portal. Below is TTN V3 screenshot:
101 +You can enter this key in the LoRaWAN Server portal. Below is TTN screen shot:
116 116  
117 117  
118 118  (% style="color:blue" %)**Register the device**
119 119  
120 -[[image:image-20231207144600-2.png||height="703" width="756"]]
106 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50v2-S31-S31B%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20User%20Manual/WebHome/1654935135620-998.png?rev=1.1||alt="1654935135620-998.png"]]
121 121  
122 122  
123 -(% style="color:blue" %)**Add DevEUI and AppKey**
109 +(% style="color:blue" %)**Add APP EUI and DEV EUI**
124 124  
125 -[[image:image-20231207145121-5.png||height="540" width="756"]]
111 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50v2-S31-S31B%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20User%20Manual/WebHome/image-20220611161308-4.png?width=753&height=551&rev=1.1||alt="图片-20220611161308-4.png"]]
126 126  
127 127  
114 +(% style="color:blue" %)**Add APP EUI in the application**
128 128  
129 -=== Step 2: Activate DS20L ===
130 130  
131 -[[image:image-20231128133704-1.png||height="189" width="441"]]
117 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50v2-S31-S31B%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20User%20Manual/WebHome/image-20220611161308-5.png?width=742&height=601&rev=1.1||alt="图片-20220611161308-5.png"]]
132 132  
133 -Press the button for 5 seconds to activate the DS20L.
134 134  
135 -The switch is switched to (% style="color:blue" %)**E** (%%)and the external power supply is used.
120 +(% style="color:blue" %)**Add APP KEY**
136 136  
137 -The switch is switched to (% style="color:blue" %)**I** (%%)and DS20L will be power by the built-in battery.
122 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50v2-S31-S31B%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20User%20Manual/WebHome/image-20220611161308-6.png?width=744&height=485&rev=1.1||alt="图片-20220611161308-6.png"]]
138 138  
124 +
125 +(% style="color:blue" %)**Step 2:**(%%) Activate on DS20L
126 +
127 +[[image:image-20231128133704-1.png||height="189" width="441"]]
128 +
129 +Press the button for 5 seconds to activate the DS20L.
130 +
139 139  (% 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.
140 140  
141 141  After join success, it will start to upload messages to TTN and you can see the messages in the panel.
142 142  
143 143  
144 -
145 145  == 2.3 ​Uplink Payload ==
146 146  
147 147  === 2.3.1 Device Status, FPORT~=5 ===
... ... @@ -159,7 +159,7 @@
159 159  
160 160  Example parse in TTNv3
161 161  
162 -[[image:image-20231206151412-3.png||height="179" width="1070"]]
153 +[[image:1701149922873-259.png]]
163 163  
164 164  (% style="color:blue" %)**Sensor Model**(%%): For DS20L, this value is 0x21
165 165  
... ... @@ -215,225 +215,222 @@
215 215  === 2.3.2 Uplink Payload, FPORT~=2 ===
216 216  
217 217  
218 -==== (% style="color:red" %)**AT+MOD~=1**(%%) ====
209 +(((
210 +DS20L will send this uplink **after** Device Status once join the LoRaWAN network successfully. And DS20L will:
219 219  
220 -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"]].
221 221  
222 -**Uplink Payload totals 10 bytes.**
214 +Uplink Payload totals 11 bytes.
215 +)))
223 223  
224 224  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
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
227 -
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
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"]]
239 239  )))
240 240  
241 -Example parse in TTNv3
229 +[[image:image-20230805104104-2.png||height="136" width="754"]]
242 242  
243 -[[image:image-20231209152917-1.png||height="300" width="1172"]]
244 244  
245 -(% style="color:blue" %)**Battery Info:**
232 +==== (% style="color:blue" %)**Battery Info**(%%) ====
246 246  
247 -Check the battery voltage for DS20L
248 248  
249 -Ex1: 0x0E10 = 3600mV
235 +Check the battery voltage for DS20L.
250 250  
237 +Ex1: 0x0B45 = 2885mV
251 251  
252 -(% style="color:blue" %)**MOD & Alarm & Interrupt:**
239 +Ex2: 0x0B49 = 2889mV
253 253  
254 -(% style="color:red" %)**MOD:**
255 255  
256 -**Example: ** (0x60>>6) & 0x3f =1
242 +==== (% style="color:blue" %)**DS18B20 Temperature sensor**(%%) ====
257 257  
258 -**0x01:**  Regularly detect distance and report.
259 -**0x02: ** Uninterrupted measurement (external power supply).
260 260  
261 -(% style="color:red" %)**Alarm:**
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.
262 262  
263 -When the detection distance exceeds the limit, the alarm flag is set to 1.
264 264  
265 -(% style="color:red" %)**Interrupt:**
266 -
267 -Whether it is an external interrupt.
268 -
269 -
270 -(% style="color:blue" %)**Distance info:**
271 -
272 272  **Example**:
273 273  
274 -If payload is: 0708H: distance = 0708H = 1800 mm
250 +If payload is: 0105H:  (0105 & FC00 == 0), temp = 0105H /10 = 26.1 degree
275 275  
252 +If payload is: FF3FH :  (FF3F & FC00 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
276 276  
277 -(% style="color:blue" %)**Sensor State:**
278 278  
279 -Ex1: 0x00: Normal collection distance
255 +==== (% style="color:blue" %)**Distance**(%%) ====
280 280  
281 -Ex2: 0x0x: Distance collection is wrong
282 282  
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.
283 283  
284 -(% style="color:blue" %)**Interrupt Count:**
285 285  
286 -If payload is:000007D0H: count = 07D0H =2000
261 +**Example**:
287 287  
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.
288 288  
289 289  
290 -==== (% style="color:red" %)**AT+MOD~=2**(%%)** ** ====
266 +==== (% style="color:blue" %)**Distance signal strength**(%%) ====
291 291  
292 292  
293 -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.)
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.
294 294  
295 -[[image:image-20231128133704-1.png||height="189" width="441"]]
296 296  
272 +**Example**:
297 297  
298 -* **Set over-limit alarm mode: AT+DOL=3,500,244,**(% style="color:red" %)0(%%)**,120**
274 +If payload is: 01D7(H)=471(D), distance signal strength=471, 471>100,471≠65535, the measured value of Dist is considered credible.
299 299  
300 -(% class="wikigeneratedid" id="HUninterruptedmeasurement.Whenthedistanceexceedsthelimit2CtheoutputIOissethighandreportsarereportedeveryfiveminutes.Thetimecanbesetandpoweredbyanexternalpowersupply.UplinkPayloadtotals11bytes." %)
301 -Uninterrupted measurement. When the distance exceeds the limit, the output IO high, instant alarm. Uplink Payload totals 9 bytes.
276 +Customers can judge whether they need to adjust the environment based on the signal strength.
302 302  
303 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
304 -|(% 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**
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
306 306  
307 -[[image:image-20231209171127-3.png||height="374" width="1209"]]
279 +**1) When the sensor detects valid data:**
308 308  
309 -(% style="color:blue" %)**MOD & Alarm & Do & Limit flag:**
281 +[[image:image-20230805155335-1.png||height="145" width="724"]]
310 310  
311 -(% style="color:red" %)**MOD:**
312 312  
313 -**Example: ** (0x60>>6) & 0x3f =1
284 +**2) When the sensor detects invalid data:**
314 314  
315 -**0x01:**  Regularly detect distance and report.
316 -**0x02: ** Uninterrupted measurement (external power supply).
286 +[[image:image-20230805155428-2.png||height="139" width="726"]]
317 317  
318 -(% style="color:red" %)**Alarm:**
319 319  
320 -When the detection distance exceeds the limit, the alarm flag is set to 1.
289 +**3) When the sensor is not connected:**
321 321  
322 -(% style="color:red" %)**DO:**
291 +[[image:image-20230805155515-3.png||height="143" width="725"]]
323 323  
324 -When the distance exceeds the set threshold, pull the Do pin high.
325 325  
326 -(% style="color:red" %)**Limit flag:**
294 +==== (% style="color:blue" %)**Interrupt Pin & Interrupt Level**(%%) ====
327 327  
328 -Mode for setting threshold: **0~~3**
329 329  
330 -**0:** does not use upper and lower limits
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.
331 331  
332 -**1:** Use upper and lower limits
299 +Note: The Internet Pin is a separate pin in the screw terminal. See pin mapping of GPIO_EXTI .
333 333  
334 -**2:** Less than the upper limit
301 +**Example:**
335 335  
336 -**3: **Greater than the lower limit
303 +If byte[0]&0x01=0x00 : Normal uplink packet.
337 337  
305 +If byte[0]&0x01=0x01 : Interrupt Uplink Packet.
338 338  
339 -(% style="color:blue" %)**Distance:**
340 340  
341 - Actual sampling distance values.
308 +==== (% style="color:blue" %)**LiDAR temp**(%%) ====
342 342  
343 -**Example:**
344 344  
345 -**AT+DOL=1,500,244,**(% style="color:red" %)0(%%)**,120  **
311 +Characterize the internal temperature value of the sensor.
346 346  
347 -The distance is detected every 120ms.
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℃.
348 348  
349 -When the actual detection value is within the range of [244mm,500mm], the data is uploaded in the normal TDC time.
350 350  
351 -When the actual detection value is outside the range of [244mm,500mm], the uplink data will be immediately alerted.
318 +==== (% style="color:blue" %)**Message Type**(%%) ====
352 352  
353 -If payload is: 0708H: distance = 0708H = 1800 mm
354 354  
321 +(((
322 +For a normal uplink payload, the message type is always 0x01.
323 +)))
355 355  
356 -(% style="color:blue" %)**Upper limit:**
325 +(((
326 +Valid Message Type:
327 +)))
357 357  
358 -The upper limit of the threshold cannot exceed 2000mm.
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
359 359  
334 +[[image:image-20230805150315-4.png||height="233" width="723"]]
360 360  
361 -(% style="color:blue" %)**Lower limit:**
362 362  
363 -The lower limit of the threshold cannot be less than 3mm.
337 +=== 2.3.3 Historical measuring distance, FPORT~=3 ===
364 364  
365 365  
366 -* **Set the person or object count mode: AT+DOL=1,500,244,**(% style="color:red" %)1(%%)**,120**
340 +DS20L stores sensor values and users can retrieve these history values via the [[downlink command>>||anchor="H2.5.4Pollsensorvalue"]].
367 367  
368 -Continuous measurement, detect and count people or things passing by in distance limit mode. Uplink Payload totals 11 bytes.
342 +The historical payload includes one or multiplies entries and every entry has the same payload as Real-Time measuring distance.
369 369  
370 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:600px" %)
371 -|(% 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**
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
344 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
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
373 373  
374 -[[image:image-20231209173457-5.png||height="277" width="1098"]]
354 +**Interrupt flag & Interrupt level:**
375 375  
376 -(% 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 +)))
377 377  
378 -(% 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 +)))
379 379  
380 -**Example: ** (0x60>>6) & 0x3f =1
368 +For example, in the US915 band, the max payload for different DR is:
381 381  
382 -**0x01:**  Regularly detect distance and report.
383 -**0x02: ** Uninterrupted measurement (external power supply).
370 +**a) DR0:** max is 11 bytes so one entry of data
384 384  
385 -(% style="color:red" %)**Alarm:**
372 +**b) DR1:** max is 53 bytes so devices will upload 4 entries of data (total 44 bytes)
386 386  
387 -When the detection distance exceeds the limit, the alarm flag is set to 1.
374 +**c) DR2:** total payload includes 11 entries of data
388 388  
389 -(% style="color:red" %)**Do:**
376 +**d) DR3:** total payload includes 22 entries of data.
390 390  
391 -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
392 392  
393 -(% style="color:red" %)**Limit flag:**
394 394  
395 -Mode for setting threshold: **0~~3**
381 +**Downlink:**
396 396  
397 -**0:** does not use upper and lower limits
383 +0x31 64 CC 68 0C 64 CC 69 74 05
398 398  
399 -**1:** Use upper and lower limits
385 +[[image:image-20230805144936-2.png||height="113" width="746"]]
400 400  
401 -**2:** Less than the upper limit
387 +**Uplink:**
402 402  
403 -**3: **Greater than the lower limit
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
404 404  
405 405  
406 -(% style="color:blue" %)**Distance limit alarm count:**
392 +**Parsed Value:**
407 407  
408 -People or objects are collected and counted within a limited distance.
394 +[DISTANCE , DISTANCE_SIGNAL_STRENGTH，LIDAR_TEMP，EXTI_STATUS , EXTI_FLAG , TIME]
409 409  
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.
411 411  
412 -**Example:**
397 +[360,176,30,High,True,2023-08-04 02:53:00],
413 413  
414 -**AT+DOL=1,500,244,**(% style="color:red" %)1(%%)**,120   **
399 +[355,168,30,Low,False,2023-08-04 02:53:29],
415 415  
416 -People or objects passing within the distance range of [244mm,500mm] are detected and counted every 120ms.
401 +[245,211,30,Low,False,2023-08-04 02:54:29],
417 417  
418 -If payload is: 0x56H, interrupt count =0x56H =86
403 +[57,700,30,Low,False,2023-08-04 02:55:29],
419 419  
405 +[361,164,30,Low,True,2023-08-04 02:56:00],
420 420  
421 -(% style="color:blue" %)**Upper limit:**
407 +[337,184,30,Low,False,2023-08-04 02:56:40],
422 422  
423 -The upper limit of the threshold cannot exceed 2000mm.
409 +[20,4458,30,Low,False,2023-08-04 02:57:40],
424 424  
411 +[362,173,30,Low,False,2023-08-04 02:58:53],
425 425  
426 -(% style="color:blue" %)**Lower limit:**
427 427  
428 -The lower limit of the threshold cannot be less than 3mm.
414 +**History read from serial port：**
429 429  
416 +[[image:image-20230805145056-3.png]]
430 430  
431 -== 2.4 Decode payload in The Things Network ==
432 432  
419 +=== 2.3.4 Decode payload in The Things Network ===
433 433  
421 +
434 434  While using TTN network, you can add the payload format to decode the payload.
435 435  
436 -[[image:image-20231206143515-1.png||height="534" width="759"]]
424 +[[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"]]
437 437  
438 438  
439 439  (((
... ... @@ -445,11 +445,11 @@
445 445  )))
446 446  
447 447  
448 -== 2.5 ​Show Data in DataCake IoT Server ==
436 +== 2.4 ​Show Data in DataCake IoT Server ==
449 449  
450 450  
451 451  (((
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:
440 +[[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:
453 453  )))
454 454  
455 455  
... ... @@ -462,29 +462,25 @@
462 462  )))
463 463  
464 464  
465 -[[image:image-20231207153532-6.png||height="562" width="861"]]
453 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/1654592790040-760.png?rev=1.1||alt="1654592790040-760.png"]]
466 466  
467 467  
468 -[[image:image-20231207155940-8.png]]
456 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/1654592800389-571.png?rev=1.1||alt="1654592800389-571.png"]]
469 469  
470 -For more detailed instructions, refer to the following instructions: [[Welcome - Datacake Docs>>url:https://docs.datacake.de/]]
471 471  
472 -[[image:image-20231207160733-11.png||height="429" width="759"]]
473 -
474 -
475 475  (% style="color:blue" %)**Step 3**(%%)**: Create an account or log in Datacake.**
476 476  
477 477  (% style="color:blue" %)**Step 4**(%%)**: Search the DS20L and add DevEUI.**
478 478  
479 -[[image:image-20231207160343-10.png||height="665" width="705"]]
463 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/1654851029373-510.png?rev=1.1||alt="1654851029373-510.png"]]
480 480  
481 481  
482 482  After added, the sensor data arrive TTN V3, it will also arrive and show in Datacake.
483 483  
484 -[[image:image-20231129100454-2.png||height="501" width="928"]]
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"]]
485 485  
486 486  
487 -== 2.6 Frequency Plans ==
471 +== 2.5 Frequency Plans ==
488 488  
489 489  
490 490  The DS20L uses OTAA mode and below frequency plans by default. If user want to use it with different frequency plan, please refer the AT command sets.
... ... @@ -522,7 +522,7 @@
522 522  == 3.3 Commands special design for DS20L ==
523 523  
524 524  
525 -Below commands only valid for DS20L, as below:
509 +These commands only valid for DS20L, as below:
526 526  
527 527  
528 528  === 3.3.1 Set Transmit Interval Time ===
... ... @@ -565,9 +565,6 @@
565 565  )))
566 566  * (((
567 567  Example 2: Downlink Payload: 0100003C  ~/~/ Set Transmit Interval (TDC) = 60 seconds
568 -
569 -
570 -
571 571  )))
572 572  
573 573  === 3.3.2 Set Interrupt Mode ===
... ... @@ -608,9 +608,10 @@
608 608  
609 609  * Example 2: Downlink Payload: 06000003  ~/~/  Set the interrupt mode to rising edge trigger
610 610  
611 -=== 3.3.3 Set work mode ===
612 612  
593 +== 3.3.3 Set work mode ==
613 613  
595 +
614 614  Feature: Switch working mode
615 615  
616 616  (% style="color:blue" %)**AT Command: AT+MOD**
... ... @@ -625,9 +625,9 @@
625 625  
626 626  (% style="color:blue" %)**Downlink Command:**
627 627  
628 -* **Example: **0x0A01 ~/~/  Same as AT+MOD=1
610 +* **Example: **0x0A00  ~/~/  Same as AT+MOD=0
629 629  
630 -* **Example:** 0x0A02  ~/~/  Same as AT+MOD=2
612 +* **Example:** 0x0A01  ~/~/  Same as AT+MOD=1
631 631  
632 632  === 3.3.4 Set threshold and threshold mode ===
633 633  
... ... @@ -646,37 +646,21 @@
646 646  )))
647 647  |(% style="width:172px" %)AT+ DOL =1,1800,100,0,400|(% style="width:279px" %)Set only the upper and lower thresholds|(% style="width:118px" %)OK
648 648  
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
651 -|(% rowspan="11" style="color:blue; width:120px" %)(((
652 -
653 653  
654 654  
655 -
656 -
657 -
658 -
659 -
660 -
661 -
662 -
663 -**AT+DOL=1,1800,3,0,400**
664 -)))|(% rowspan="4" style="width:240px" %)(((
665 -
666 -
667 -
668 -
669 -The first bit sets the limit mode
670 -)))|(% 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
671 671  |(% style="width:251px" %)1: Use upper and lower limits
672 -|(% style="width:251px" %)2:Less than the upper limit
636 +|(% style="width:251px" %)2: Less than the lower limit
673 673  |(% style="width:251px" %)3: Greater than the lower limit
638 +|(% style="width:251px" %)4: Less than the upper limit
639 +|(% style="width:251px" %)5: Greater than the upper limit
674 674  |(% style="width:226px" %)The second bit sets the upper limit value|(% style="width:251px" %)3~~2000MM
675 675  |(% style="width:226px" %)The third bit sets the lower limit value|(% style="width:251px" %)3~~2000MM
676 676  |(% rowspan="2" style="width:226px" %)The fourth bit sets the over-limit alarm or person or object count.|(% style="width:251px" %)0 Over-limit alarm, DO output is high
677 677  |(% style="width:251px" %)1 Person or object counting statistics
678 678  |(% style="width:226px" %)The fifth bit sets the sampling time|(% style="width:251px" %)(((
679 -100~~10000ms
645 +0~~10000ms
680 680  
681 681  
682 682  )))
... ... @@ -683,42 +683,14 @@
683 683  
684 684  (% style="color:blue" %)**Downlink Command: 0x07**
685 685  
686 -Format: Command Code (0x07) followed by 9 bytes.
652 +Format: Command Code (0x07) followed by 9bytes.
687 687  
688 -If the downlink payload=**07 01 0708 0064 00 0190**, it means set the END Node's limit mode to 0x01,upper limit value to 0x0708=1800(mm), lower limit value to 0x0064=100(mm), to over-limit alarm(0x00) ,the sampling time to 0x0190=400(ms), while type code is 0x07.
654 +* Example 0: Downlink Payload: 070000000000000190  **~-~-->**  AT+MOD=0,0,0,0,400
689 689  
690 -* Example 0: Downlink Payload: 07 00 0000 0000 00 0190  **~-~-->**  AT+MOD=0,0,0,0,400
691 -
692 692  * Example 1: Downlink Payload: 070107080064000190  **~-~-->**  AT+MOD=1,1800,100,0,400
693 693  
694 -* Example 2: Downlink Payload: 070200000064000190  **~-~-->**  AT+MOD=2,1800,100,0,400
695 695  
696 -* Example 3: Downlink Payload: 070300000064000190  **~-~-->**  AT+MOD=3,0,100,0,400
697 697  
698 -(% style="color:Red" %)**Note: The over-limit alarm is applied to MOD1 and MOD2.**
699 -
700 -**For example:**
701 -
702 -* **AT+MOD=1**
703 -
704 - **AT+DOL=1,500,244,**(% style="color:blue" %)0(%%)**,300**
705 -
706 -Send data according to the normal TDC time. If the mode limit is exceeded, the alarm flag is set to 1:
707 -
708 -[[image:image-20231211113204-2.png||height="292" width="1093"]]
709 -
710 -* **AT+MOD=2  **
711 -
712 - **AT+DOL=1,500,244,**(% style="color:blue" %)0(%%)**,300**
713 -
714 -If the mode limit is exceeded, the data is immediately uplink and the alarm flag is set to 1:
715 -
716 -[[image:image-20231211114932-3.png||height="277" width="1248"]]
717 -
718 -
719 -
720 -
721 -
722 722  = 4. Battery & Power Consumption =
723 723  
724 724  
... ... @@ -755,33 +755,6 @@
755 755  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"]]
756 756  
757 757  
758 -== 6.2 DS20L programming line ==
759 -
760 -
761 -缺图 后续补上
762 -
763 -feature:
764 -
765 -for AT commands
766 -
767 -Update the firmware of DS20L
768 -
769 -Support interrupt mode
770 -
771 -
772 -== 6.3 LiDAR probe position ==
773 -
774 -
775 -[[image:1701155390576-216.png||height="285" width="307"]]
776 -
777 -The black oval hole in the picture is the LiDAR probe.
778 -
779 -
780 -== 6.4 Interface definition ==
781 -
782 -[[image:image-20231128151132-2.png||height="305" width="557"]]
783 -
784 -
785 785  = 7. Trouble Shooting =
786 786  
787 787  == 7.1 AT Command input doesn't work ==
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