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Last modified by Mengting Qiu on 2023/12/14 11:15
From version 118.17
edited by Xiaoling
on 2023/11/28 14:24
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

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Author
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1 -XWiki.Xiaoling
1 +XWiki.ting
Content
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8 8  
9 9  
10 10  
11 -**Table of Contents：**
11 +**Table of Contents:(% style="display:none" %) (%%)**
12 12  
13 13  {{toc/}}
14 14  
... ... @@ -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 ==
... ... @@ -91,7 +91,7 @@
91 91  
92 92  [[image:image-20231110102635-5.png||height="402" width="807"]](% style="display:none" %)
93 93  
94 -(% style="color:blue" %)**Step 1:**(%%) Create a device in TTN with the OTAA keys from DS20L.
108 +=== Step 1: Create a device in TTN with the OTAA keys from DS20L. ===
95 95  
96 96  Each DS20L is shipped with a sticker with the default device EUI as below:
97 97  
... ... @@ -98,41 +98,36 @@
98 98  [[image:image-20230426084152-1.png||alt="图片-20230426084152-1.png" height="233" width="502"]]
99 99  
100 100  
101 -You can enter this key in the LoRaWAN Server portal. Below is TTN screen shot:
115 +You can enter this key in the LoRaWAN Server portal. Below is TTN V3 screenshot:
102 102  
103 103  
104 104  (% style="color:blue" %)**Register the device**
105 105  
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"]]
120 +[[image:image-20231207144600-2.png||height="703" width="756"]]
107 107  
108 108  
109 -(% style="color:blue" %)**Add APP EUI and DEV EUI**
123 +(% style="color:blue" %)**Add DevEUI and AppKey**
110 110  
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"]]
125 +[[image:image-20231207145121-5.png||height="540" width="756"]]
112 112  
113 113  
114 -(% style="color:blue" %)**Add APP EUI in the application**
115 115  
129 +=== Step 2: Activate DS20L ===
116 116  
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"]]
118 -
119 -
120 -(% style="color:blue" %)**Add APP KEY**
121 -
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"]]
123 -
124 -
125 -(% style="color:blue" %)**Step 2:**(%%) Activate on DS20L
126 -
127 127  [[image:image-20231128133704-1.png||height="189" width="441"]]
128 128  
129 129  Press the button for 5 seconds to activate the DS20L.
130 130  
135 +The switch is switched to (% style="color:blue" %)**E** (%%)and the external power supply is used.
136 +
137 +The switch is switched to (% style="color:blue" %)**I** (%%)and DS20L will be power by the built-in battery.
138 +
131 131  (% 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.
132 132  
133 133  After join success, it will start to upload messages to TTN and you can see the messages in the panel.
134 134  
135 135  
144 +
136 136  == 2.3 ​Uplink Payload ==
137 137  
138 138  === 2.3.1 Device Status, FPORT~=5 ===
... ... @@ -150,7 +150,7 @@
150 150  
151 151  Example parse in TTNv3
152 152  
153 -[[image:1701149922873-259.png]]
162 +[[image:image-20231206151412-3.png||height="179" width="1070"]]
154 154  
155 155  (% style="color:blue" %)**Sensor Model**(%%): For DS20L, this value is 0x21
156 156  
... ... @@ -206,222 +206,225 @@
206 206  === 2.3.2 Uplink Payload, FPORT~=2 ===
207 207  
208 208  
209 -(((
210 -DS20L will send this uplink **after** Device Status once join the LoRaWAN network successfully. And DS20L will:
218 +==== (% style="color:red" %)**AT+MOD~=1**(%%) ====
211 211  
212 -periodically send this uplink every 20 minutes, this interval [[can be changed>>||anchor="H3.3.1SetTransmitIntervalTime"]].
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.
213 213  
214 -Uplink Payload totals 11 bytes.
215 -)))
222 +**Uplink Payload totals 10 bytes.**
216 216  
217 217  (% 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 -)))
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
228 228  
229 -[[image:image-20230805104104-2.png||height="136" width="754"]]
228 +**MOD+ Alarm+ Interrupt:**
230 230  
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
231 231  
232 -==== (% style="color:blue" %)**Battery Info**(%%) ====
236 +0: No Alarm;
233 233  
238 +1: Alarm
239 +)))
234 234  
235 -Check the battery voltage for DS20L.
241 +Example parse in TTNv3
236 236  
237 -Ex1: 0x0B45 = 2885mV
243 +[[image:image-20231209152917-1.png||height="300" width="1172"]]
238 238  
239 -Ex2: 0x0B49 = 2889mV
245 +(% style="color:blue" %)**Battery Info:**
240 240  
247 +Check the battery voltage for DS20L
241 241  
242 -==== (% style="color:blue" %)**DS18B20 Temperature sensor**(%%) ====
249 +Ex1: 0x0E10 = 3600mV
243 243  
244 244  
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.
252 +(% style="color:blue" %)**MOD & Alarm & Interrupt:**
246 246  
254 +(% style="color:red" %)**MOD:**
247 247  
248 -**Example**:
256 +**Example: ** (0x60>>6) & 0x3f =1
249 249  
250 -If payload is: 0105H:  (0105 & FC00 == 0), temp = 0105H /10 = 26.1 degree
258 +**0x01:**  Regularly detect distance and report.
259 +**0x02: ** Uninterrupted measurement (external power supply).
251 251  
252 -If payload is: FF3FH :  (FF3F & FC00 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
261 +(% style="color:red" %)**Alarm:**
253 253  
263 +When the detection distance exceeds the limit, the alarm flag is set to 1.
254 254  
255 -==== (% style="color:blue" %)**Distance**(%%) ====
265 +(% style="color:red" %)**Interrupt:**
256 256  
267 +Whether it is an external interrupt.
257 257  
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.
259 259  
270 +(% style="color:blue" %)**Distance info:**
260 260  
261 261  **Example**:
262 262  
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.
274 +If payload is: 0708H: distance = 0708H = 1800 mm
264 264  
265 265  
266 -==== (% style="color:blue" %)**Distance signal strength**(%%) ====
277 +(% style="color:blue" %)**Sensor State:**
267 267  
279 +Ex1: 0x00: Normal collection distance
268 268  
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.
281 +Ex2: 0x0x: Distance collection is wrong
270 270  
271 271  
272 -**Example**:
284 +(% style="color:blue" %)**Interrupt Count:**
273 273  
274 -If payload is: 01D7(H)=471(D), distance signal strength=471, 471>100,471≠65535, the measured value of Dist is considered credible.
286 +If payload is:000007D0H: count = 07D0H =2000
275 275  
276 -Customers can judge whether they need to adjust the environment based on the signal strength.
277 277  
278 278  
279 -**1) When the sensor detects valid data:**
290 +==== (% style="color:red" %)**AT+MOD~=2**(%%)** ** ====
280 280  
281 -[[image:image-20230805155335-1.png||height="145" width="724"]]
282 282  
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.)
283 283  
284 -**2) When the sensor detects invalid data:**
295 +[[image:image-20231128133704-1.png||height="189" width="441"]]
285 285  
286 -[[image:image-20230805155428-2.png||height="139" width="726"]]
287 287  
298 +* **Set over-limit alarm mode: AT+DOL=3,500,244,**(% style="color:red" %)0(%%)**,120**
288 288  
289 -**3) When the sensor is not connected:**
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.
290 290  
291 -[[image:image-20230805155515-3.png||height="143" width="725"]]
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
292 292  
307 +[[image:image-20231209171127-3.png||height="374" width="1209"]]
293 293  
294 -==== (% style="color:blue" %)**Interrupt Pin & Interrupt Level**(%%) ====
309 +(% style="color:blue" %)**MOD & Alarm & Do & Limit flag:**
295 295  
311 +(% style="color:red" %)**MOD:**
296 296  
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.
313 +**Example: ** (0x60>>6) & 0x3f =1
298 298  
299 -Note: The Internet Pin is a separate pin in the screw terminal. See pin mapping of GPIO_EXTI .
315 +**0x01:**  Regularly detect distance and report.
316 +**0x02: ** Uninterrupted measurement (external power supply).
300 300  
301 -**Example:**
318 +(% style="color:red" %)**Alarm:**
302 302  
303 -If byte[0]&0x01=0x00 : Normal uplink packet.
320 +When the detection distance exceeds the limit, the alarm flag is set to 1.
304 304  
305 -If byte[0]&0x01=0x01 : Interrupt Uplink Packet.
322 +(% style="color:red" %)**DO:**
306 306  
324 +When the distance exceeds the set threshold, pull the Do pin high.
307 307  
308 -==== (% style="color:blue" %)**LiDAR temp**(%%) ====
326 +(% style="color:red" %)**Limit flag:**
309 309  
328 +Mode for setting threshold: **0~~3**
310 310  
311 -Characterize the internal temperature value of the sensor.
330 +**0:** does not use upper and lower limits
312 312  
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℃.
332 +**1:** Use upper and lower limits
316 316  
334 +**2:** Less than the upper limit
317 317  
318 -==== (% style="color:blue" %)**Message Type**(%%) ====
336 +**3: **Greater than the lower limit
319 319  
320 320  
321 -(((
322 -For a normal uplink payload, the message type is always 0x01.
323 -)))
339 +(% style="color:blue" %)**Distance:**
324 324  
325 -(((
326 -Valid Message Type:
327 -)))
341 + Actual sampling distance values.
328 328  
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
343 +**Example:**
333 333  
334 -[[image:image-20230805150315-4.png||height="233" width="723"]]
345 +**AT+DOL=1,500,244,**(% style="color:red" %)0(%%)**,120  **
335 335  
347 +The distance is detected every 120ms.
336 336  
337 -=== 2.3.3 Historical measuring distance, FPORT~=3 ===
349 +When the actual detection value is within the range of [244mm,500mm], the data is uploaded in the normal TDC time.
338 338  
351 +When the actual detection value is outside the range of [244mm,500mm], the uplink data will be immediately alerted.
339 339  
340 -DS20L stores sensor values and users can retrieve these history values via the [[downlink command>>||anchor="H2.5.4Pollsensorvalue"]].
353 +If payload is: 0708H: distance = 0708H = 1800 mm
341 341  
342 -The historical payload includes one or multiplies entries and every entry has the same payload as Real-Time measuring distance.
343 343  
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
356 +(% style="color:blue" %)**Upper limit:**
353 353  
354 -**Interrupt flag & Interrupt level:**
358 +The upper limit of the threshold cannot exceed 2000mm.
355 355  
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 -)))
363 363  
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 -)))
361 +(% style="color:blue" %)**Lower limit:**
367 367  
368 -For example, in the US915 band, the max payload for different DR is:
363 +The lower limit of the threshold cannot be less than 3mm.
369 369  
370 -**a) DR0:** max is 11 bytes so one entry of data
371 371  
372 -**b) DR1:** max is 53 bytes so devices will upload 4 entries of data (total 44 bytes)
366 +* **Set the person or object count mode: AT+DOL=1,500,244,**(% style="color:red" %)1(%%)**,120**
373 373  
374 -**c) DR2:** total payload includes 11 entries of data
368 +Continuous measurement, detect and count people or things passing by in distance limit mode. Uplink Payload totals 11 bytes.
375 375  
376 -**d) DR3:** total payload includes 22 entries of data.
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
377 377  
378 -If DS20L doesn't have any data in the polling time. It will uplink 11 bytes of 0
374 +[[image:image-20231209173457-5.png||height="277" width="1098"]]
379 379  
376 +(% style="color:blue" %)**MOD & Alarm & Do & Limit flag:**
380 380  
381 -**Downlink:**
378 +(% style="color:red" %)**MOD:**
382 382  
383 -0x31 64 CC 68 0C 64 CC 69 74 05
380 +**Example: ** (0x60>>6) & 0x3f =1
384 384  
385 -[[image:image-20230805144936-2.png||height="113" width="746"]]
382 +**0x01:**  Regularly detect distance and report.
383 +**0x02: ** Uninterrupted measurement (external power supply).
386 386  
387 -**Uplink:**
385 +(% style="color:red" %)**Alarm:**
388 388  
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
387 +When the detection distance exceeds the limit, the alarm flag is set to 1.
390 390  
389 +(% style="color:red" %)**Do:**
391 391  
392 -**Parsed Value:**
391 +When the distance exceeds the set threshold, pull the Do pin high.
393 393  
394 -[DISTANCE , DISTANCE_SIGNAL_STRENGTH，LIDAR_TEMP，EXTI_STATUS , EXTI_FLAG , TIME]
393 +(% style="color:red" %)**Limit flag:**
395 395  
395 +Mode for setting threshold: **0~~3**
396 396  
397 -[360,176,30,High,True,2023-08-04 02:53:00],
397 +**0:** does not use upper and lower limits
398 398  
399 -[355,168,30,Low,False,2023-08-04 02:53:29],
399 +**1:** Use upper and lower limits
400 400  
401 -[245,211,30,Low,False,2023-08-04 02:54:29],
401 +**2:** Less than the upper limit
402 402  
403 -[57,700,30,Low,False,2023-08-04 02:55:29],
403 +**3: **Greater than the lower limit
404 404  
405 -[361,164,30,Low,True,2023-08-04 02:56:00],
406 406  
407 -[337,184,30,Low,False,2023-08-04 02:56:40],
406 +(% style="color:blue" %)**Distance limit alarm count:**
408 408  
409 -[20,4458,30,Low,False,2023-08-04 02:57:40],
408 +People or objects are collected and counted within a limited distance.
410 410  
411 -[362,173,30,Low,False,2023-08-04 02:58:53],
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.
412 412  
412 +**Example:**
413 413  
414 -**History read from serial port：**
414 +**AT+DOL=1,500,244,**(% style="color:red" %)1(%%)**,120   **
415 415  
416 -[[image:image-20230805145056-3.png]]
416 +People or objects passing within the distance range of [244mm,500mm] are detected and counted every 120ms.
417 417  
418 +If payload is: 0x56H, interrupt count =0x56H =86
418 418  
419 -=== 2.3.4 Decode payload in The Things Network ===
420 420  
421 +(% style="color:blue" %)**Upper limit:**
421 421  
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 +
431 +== 2.4 Decode payload in The Things Network ==
432 +
433 +
422 422  While using TTN network, you can add the payload format to decode the payload.
423 423  
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"]]
436 +[[image:image-20231206143515-1.png||height="534" width="759"]]
425 425  
426 426  
427 427  (((
... ... @@ -433,11 +433,11 @@
433 433  )))
434 434  
435 435  
436 -== 2.4 ​Show Data in DataCake IoT Server ==
448 +== 2.5 ​Show Data in DataCake IoT Server ==
437 437  
438 438  
439 439  (((
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:
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:
441 441  )))
442 442  
443 443  
... ... @@ -450,25 +450,29 @@
450 450  )))
451 451  
452 452  
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"]]
465 +[[image:image-20231207153532-6.png||height="562" width="861"]]
454 454  
455 455  
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"]]
468 +[[image:image-20231207155940-8.png]]
457 457  
470 +For more detailed instructions, refer to the following instructions: [[Welcome - Datacake Docs>>url:https://docs.datacake.de/]]
458 458  
472 +[[image:image-20231207160733-11.png||height="429" width="759"]]
473 +
474 +
459 459  (% style="color:blue" %)**Step 3**(%%)**: Create an account or log in Datacake.**
460 460  
461 461  (% style="color:blue" %)**Step 4**(%%)**: Search the DS20L and add DevEUI.**
462 462  
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"]]
479 +[[image:image-20231207160343-10.png||height="665" width="705"]]
464 464  
465 465  
466 466  After added, the sensor data arrive TTN V3, it will also arrive and show in Datacake.
467 467  
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"]]
484 +[[image:image-20231129100454-2.png||height="501" width="928"]]
469 469  
470 470  
471 -== 2.5 Frequency Plans ==
487 +== 2.6 Frequency Plans ==
472 472  
473 473  
474 474  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.
... ... @@ -506,7 +506,7 @@
506 506  == 3.3 Commands special design for DS20L ==
507 507  
508 508  
509 -These commands only valid for DS20L, as below:
525 +Below commands only valid for DS20L, as below:
510 510  
511 511  
512 512  === 3.3.1 Set Transmit Interval Time ===
... ... @@ -549,6 +549,9 @@
549 549  )))
550 550  * (((
551 551  Example 2: Downlink Payload: 0100003C  ~/~/ Set Transmit Interval (TDC) = 60 seconds
568 +
569 +
570 +
552 552  )))
553 553  
554 554  === 3.3.2 Set Interrupt Mode ===
... ... @@ -589,10 +589,9 @@
589 589  
590 590  * Example 2: Downlink Payload: 06000003  ~/~/  Set the interrupt mode to rising edge trigger
591 591  
611 +=== 3.3.3 Set work mode ===
592 592  
593 -== 3.3.3 Set work mode ==
594 594  
595 -
596 596  Feature: Switch working mode
597 597  
598 598  (% style="color:blue" %)**AT Command: AT+MOD**
... ... @@ -607,9 +607,9 @@
607 607  
608 608  (% style="color:blue" %)**Downlink Command:**
609 609  
610 -* **Example: **0x0A00  ~/~/  Same as AT+MOD=0
628 +* **Example: **0x0A01 ~/~/  Same as AT+MOD=1
611 611  
612 -* **Example:** 0x0A01  ~/~/  Same as AT+MOD=1
630 +* **Example:** 0x0A02  ~/~/  Same as AT+MOD=2
613 613  
614 614  === 3.3.4 Set threshold and threshold mode ===
615 615  
... ... @@ -628,21 +628,37 @@
628 628  )))
629 629  |(% style="width:172px" %)AT+ DOL =1,1800,100,0,400|(% style="width:279px" %)Set only the upper and lower thresholds|(% style="width:118px" %)OK
630 630  
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 +
631 631  
632 632  
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
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
635 635  |(% style="width:251px" %)1: Use upper and lower limits
636 -|(% style="width:251px" %)2: Less than the lower limit
672 +|(% style="width:251px" %)2:Less than the upper limit
637 637  |(% 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
640 640  |(% style="width:226px" %)The second bit sets the upper limit value|(% style="width:251px" %)3~~2000MM
641 641  |(% style="width:226px" %)The third bit sets the lower limit value|(% style="width:251px" %)3~~2000MM
642 642  |(% 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
643 643  |(% style="width:251px" %)1 Person or object counting statistics
644 644  |(% style="width:226px" %)The fifth bit sets the sampling time|(% style="width:251px" %)(((
645 -0~~10000ms
679 +100~~10000ms
646 646  
647 647  
648 648  )))
... ... @@ -649,14 +649,42 @@
649 649  
650 650  (% style="color:blue" %)**Downlink Command: 0x07**
651 651  
652 -Format: Command Code (0x07) followed by 9bytes.
686 +Format: Command Code (0x07) followed by 9 bytes.
653 653  
654 -* Example 0: Downlink Payload: 070000000000000190  **~-~-->**  AT+MOD=0,0,0,0,400
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.
655 655  
690 +* Example 0: Downlink Payload: 07 00 0000 0000 00 0190  **~-~-->**  AT+MOD=0,0,0,0,400
691 +
656 656  * Example 1: Downlink Payload: 070107080064000190  **~-~-->**  AT+MOD=1,1800,100,0,400
657 657  
694 +* Example 2: Downlink Payload: 070200000064000190  **~-~-->**  AT+MOD=2,1800,100,0,400
658 658  
696 +* Example 3: Downlink Payload: 070300000064000190  **~-~-->**  AT+MOD=3,0,100,0,400
659 659  
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 +
660 660  = 4. Battery & Power Consumption =
661 661  
662 662  
... ... @@ -693,6 +693,33 @@
693 693  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"]]
694 694  
695 695  
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 +
696 696  = 7. Trouble Shooting =
697 697  
698 698  == 7.1 AT Command input doesn't work ==
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