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Last modified by Mengting Qiu on 2023/12/14 11:15
From version 170.1
edited by Edwin Chen
on 2023/12/11 22:50
Change comment: There is no comment for this version
To version 120.1
edited by Xiaoling
on 2023/11/28 14:29
Change comment: Uploaded new attachment "1701152946067-561.png", version {1}

Summary

Details

Page properties
Author
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1 -XWiki.Edwin
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  
... ... @@ -47,9 +47,9 @@
47 47  * Firmware upgradable via program port or LoRa protocol
48 48  * Built-in 2400mAh battery or power by external power source
49 49  
50 -
51 51  == 1.3 Specification ==
52 52  
52 +
53 53  (% style="color:#037691" %)**LiDAR Sensor:**
54 54  
55 55  * Operation Temperature: -40 ~~ 80 °C
... ... @@ -60,13 +60,12 @@
60 60  * ToF FoV: ±9°, Total 18°
61 61  * Light source: VCSEL
62 62  
63 -
64 64  == 1.4 Power Consumption ==
65 65  
66 66  
67 67  (% style="color:#037691" %)**Battery Power Mode:**
68 68  
69 -* Idle: 3uA @ 3.3v
68 +* Idle: 0.003 mA @ 3.3v
70 70  * Max : 360 mA
71 71  
72 72  (% style="color:#037691" %)**Continuously mode**:
... ... @@ -74,22 +74,6 @@
74 74  * Idle: 21 mA @ 3.3v
75 75  * Max : 360 mA
76 76  
77 -
78 -== 1.5 Use Case ==
79 -
80 -(% class="mark" %)**Regular Distance Detect**
81 -
82 -[[image:image-20231211220922-1.png||height="352" width="605"]]
83 -
84 -
85 -(% class="mark" %)**Counting / Alarm**
86 -
87 -[[image:image-20231211221253-2.png]]
88 -
89 -
90 -[[image:image-20231211221436-3.png]]
91 -
92 -
93 93  = 2. Configure DS20L to connect to LoRaWAN network =
94 94  
95 95  == 2.1 How it works ==
... ... @@ -108,7 +108,7 @@
108 108  
109 109  [[image:image-20231110102635-5.png||height="402" width="807"]](% style="display:none" %)
110 110  
111 -=== 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.
112 112  
113 113  Each DS20L is shipped with a sticker with the default device EUI as below:
114 114  
... ... @@ -115,36 +115,41 @@
115 115  [[image:image-20230426084152-1.png||alt="图片-20230426084152-1.png" height="233" width="502"]]
116 116  
117 117  
118 -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:
119 119  
120 120  
121 121  (% style="color:blue" %)**Register the device**
122 122  
123 -[[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"]]
124 124  
125 125  
126 -(% style="color:blue" %)**Add DevEUI and AppKey**
109 +(% style="color:blue" %)**Add APP EUI and DEV EUI**
127 127  
128 -[[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"]]
129 129  
130 130  
114 +(% style="color:blue" %)**Add APP EUI in the application**
131 131  
132 -=== Step 2: Activate DS20L ===
133 133  
134 -[[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"]]
135 135  
136 -Press the button for 5 seconds to activate the DS20L.
137 137  
138 -The switch is switched to (% style="color:blue" %)**E** (%%)and the external power supply is used.
120 +(% style="color:blue" %)**Add APP KEY**
139 139  
140 -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"]]
141 141  
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 +
142 142  (% style="color:green" %)**Green led**(%%) will fast blink 5 times, device will enter (% style="color:blue" %)**OTA mode**(%%) for 3 seconds. And then start to JOIN LoRaWAN network. (% style="color:green" %)**Green led**(%%) will solidly turn on for 5 seconds after joined in network.
143 143  
144 144  After join success, it will start to upload messages to TTN and you can see the messages in the panel.
145 145  
146 146  
147 -
148 148  == 2.3 ​Uplink Payload ==
149 149  
150 150  === 2.3.1 Device Status, FPORT~=5 ===
... ... @@ -162,7 +162,7 @@
162 162  
163 163  Example parse in TTNv3
164 164  
165 -[[image:image-20231206151412-3.png||height="179" width="1070"]]
153 +[[image:1701149922873-259.png]]
166 166  
167 167  (% style="color:blue" %)**Sensor Model**(%%): For DS20L, this value is 0x21
168 168  
... ... @@ -218,210 +218,222 @@
218 218  === 2.3.2 Uplink Payload, FPORT~=2 ===
219 219  
220 220  
221 -==== (% 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:
222 222  
223 -Regularly detect distance and report. When the distance exceeds the limit, the alarm flag is set to 1, and the report can be triggered by external interrupts.
212 +periodically send this uplink every 20 minutes, this interval [[can be changed>>||anchor="H3.3.1SetTransmitIntervalTime"]].
224 224  
225 -Uplink Payload totals 10 bytes.
214 +Uplink Payload totals 11 bytes.
215 +)))
226 226  
227 227  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
228 -|(% 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**
229 -|(% 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 +)))
230 230  
231 -[[image:image-20231209152917-1.png||height="300" width="1172"]]
229 +[[image:image-20230805104104-2.png||height="136" width="754"]]
232 232  
233 -(% style="color:blue" %)**Battery Info:**
234 234  
235 -Check the battery voltage for DS20L
232 +==== (% style="color:blue" %)**Battery Info**(%%) ====
236 236  
237 -Ex1: 0x0E10 = 3600mV
238 238  
235 +Check the battery voltage for DS20L.
239 239  
240 -(% style="color:blue" %)**MOD & Alarm & Interrupt:**
237 +Ex1: 0x0B45 = 2885mV
241 241  
242 -(% style="color:red" %)**MOD:**
239 +Ex2: 0x0B49 = 2889mV
243 243  
244 -**Example: ** (0x60>>6) & 0x3f =1
245 245  
246 -**0x01:**  Regularly detect distance and report.
247 -**0x02: ** Uninterrupted measurement (external power supply).
242 +==== (% style="color:blue" %)**DS18B20 Temperature sensor**(%%) ====
248 248  
249 -(% style="color:red" %)**Alarm:**
250 250  
251 -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.
252 252  
253 -(% style="color:red" %)**Interrupt:**
254 254  
255 -Whether it is an external interrupt.
256 -
257 -
258 -(% style="color:blue" %)**Distance info:**
259 -
260 260  **Example**:
261 261  
262 -If payload is: 0708H: distance = 0708H = 1800 mm
250 +If payload is: 0105H:  (0105 & FC00 == 0), temp = 0105H /10 = 26.1 degree
263 263  
252 +If payload is: FF3FH :  (FF3F & FC00 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
264 264  
265 -(% style="color:blue" %)**Sensor State:**
266 266  
267 -Ex1: 0x00: Normal collection distance
255 +==== (% style="color:blue" %)**Distance**(%%) ====
268 268  
269 -Ex2: 0x0x: Distance collection is wrong
270 270  
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.
271 271  
272 -(% style="color:blue" %)**Interrupt Count:**
273 273  
274 -If payload is:000007D0H: count = 07D0H =2000
261 +**Example**:
275 275  
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.
276 276  
277 277  
278 -==== (% style="color:red" %)**AT+MOD~=2**(%%)** ** ====
266 +==== (% style="color:blue" %)**Distance signal strength**(%%) ====
279 279  
280 280  
281 -The power consumption of uninterrupted measurement is high, and the device needs to use external power supply.(The switch is switched to E and the external power supply is used.)
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.
282 282  
283 -[[image:image-20231128133704-1.png||height="189" width="441"]]
284 284  
272 +**Example**:
285 285  
286 -* **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.
287 287  
288 -(% class="wikigeneratedid" id="HUninterruptedmeasurement.Whenthedistanceexceedsthelimit2CtheoutputIOissethighandreportsarereportedeveryfiveminutes.Thetimecanbesetandpoweredbyanexternalpowersupply.UplinkPayloadtotals11bytes." %)
289 -Uninterrupted measurement. When the distance exceeds the limit, the output IO high, instant alarm. Uplink Payload totals 9 bytes.
276 +Customers can judge whether they need to adjust the environment based on the signal strength.
290 290  
291 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
292 -|(% style="background-color:#4f81bd; color:white; width:70px" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white; width:40px" %)**2**|(% style="background-color:#4f81bd; color:white; width:130px" %)**1**|(% style="background-color:#4f81bd; color:white; width:130px" %)**2**|(% style="background-color:#4f81bd; color:white; width:70px" %)**2**|(% style="background-color:#4f81bd; color:white; width:70px" %)**2**
293 -|(% style="width:91px" %)Value|(% style="width:41px" %)BAT|(% style="width:176px" %)MOD+Alarm+DO+Limit flag|(% style="width:74px" %)Distance |(% style="width:100px" %)Upper limit|(% style="width:119px" %)Lower limit
294 294  
295 -[[image:image-20231209171127-3.png||height="374" width="1209"]]
279 +**1) When the sensor detects valid data:**
296 296  
297 -(% style="color:blue" %)**MOD & Alarm & Do & Limit flag:**
281 +[[image:image-20230805155335-1.png||height="145" width="724"]]
298 298  
299 -(% style="color:red" %)**MOD:**
300 300  
301 -**Example: ** (0x60>>6) & 0x3f =1
284 +**2) When the sensor detects invalid data:**
302 302  
303 -**0x01:**  Regularly detect distance and report.
304 -**0x02: ** Uninterrupted measurement (external power supply).
286 +[[image:image-20230805155428-2.png||height="139" width="726"]]
305 305  
306 -(% style="color:red" %)**Alarm:**
307 307  
308 -When the detection distance exceeds the limit, the alarm flag is set to 1.
289 +**3) When the sensor is not connected:**
309 309  
310 -(% style="color:red" %)**DO:**
291 +[[image:image-20230805155515-3.png||height="143" width="725"]]
311 311  
312 -When the distance exceeds the set threshold, pull the Do pin high.
313 313  
314 -(% style="color:red" %)**Limit flag:**
294 +==== (% style="color:blue" %)**Interrupt Pin & Interrupt Level**(%%) ====
315 315  
316 -Mode for setting threshold: **0~~3**
317 317  
318 -**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.
319 319  
320 -**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 .
321 321  
322 -**2:** Less than the upper limit
301 +**Example:**
323 323  
324 -**3: **Greater than the lower limit
303 +If byte[0]&0x01=0x00 : Normal uplink packet.
325 325  
305 +If byte[0]&0x01=0x01 : Interrupt Uplink Packet.
326 326  
327 -(% style="color:blue" %)**Distance:**
328 328  
329 - Actual sampling distance values.
308 +==== (% style="color:blue" %)**LiDAR temp**(%%) ====
330 330  
331 -**Example:**
332 332  
333 -**AT+DOL=1,500,244,**(% style="color:red" %)0(%%)**,120  **
311 +Characterize the internal temperature value of the sensor.
334 334  
335 -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℃.
336 336  
337 -When the actual detection value is within the range of [244mm,500mm], the data is uploaded in the normal TDC time.
338 338  
339 -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**(%%) ====
340 340  
341 -If payload is: 0708H: distance = 0708H = 1800 mm
342 342  
321 +(((
322 +For a normal uplink payload, the message type is always 0x01.
323 +)))
343 343  
344 -(% style="color:blue" %)**Upper limit:**
325 +(((
326 +Valid Message Type:
327 +)))
345 345  
346 -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
347 347  
334 +[[image:image-20230805150315-4.png||height="233" width="723"]]
348 348  
349 -(% style="color:blue" %)**Lower limit:**
350 350  
351 -The lower limit of the threshold cannot be less than 3mm.
337 +=== 2.3.3 Historical measuring distance, FPORT~=3 ===
352 352  
353 353  
354 -* **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"]].
355 355  
356 -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.
357 357  
358 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:600px" %)
359 -|(% style="background-color:#4f81bd; color:white; width:70px" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white; width:40px" %)**2**|(% style="background-color:#4f81bd; color:white; width:130px" %)**1**|(% style="background-color:#4f81bd; color:white; width:130px" %)**4**|(% style="background-color:#4f81bd; color:white; width:70px" %)**2**|(% style="background-color:#4f81bd; color:white; width:70px" %)**2**
360 -|(% style="width:91px" %)Value|(% style="width:41px" %)BAT|(% style="width:176px" %)MOD+Alarm+Do+Limit flag|(% style="width:176px" %)Distance limit alarm count|(% style="width:100px" %)Upper limit|(% style="width:119px" %)Lower limit
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
361 361  
362 -[[image:image-20231209173457-5.png||height="277" width="1098"]]
354 +**Interrupt flag & Interrupt level:**
363 363  
364 -(% 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 +)))
365 365  
366 -(% 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 +)))
367 367  
368 -**Example: ** (0x60>>6) & 0x3f =1
368 +For example, in the US915 band, the max payload for different DR is:
369 369  
370 -**0x01:**  Regularly detect distance and report.
371 -**0x02: ** Uninterrupted measurement (external power supply).
370 +**a) DR0:** max is 11 bytes so one entry of data
372 372  
373 -(% style="color:red" %)**Alarm:**
372 +**b) DR1:** max is 53 bytes so devices will upload 4 entries of data (total 44 bytes)
374 374  
375 -When the detection distance exceeds the limit, the alarm flag is set to 1.
374 +**c) DR2:** total payload includes 11 entries of data
376 376  
377 -(% style="color:red" %)**Do:**
376 +**d) DR3:** total payload includes 22 entries of data.
378 378  
379 -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
380 380  
381 -(% style="color:red" %)**Limit flag:**
382 382  
383 -Mode for setting threshold: **0~~3**
381 +**Downlink:**
384 384  
385 -**0:** does not use upper and lower limits
383 +0x31 64 CC 68 0C 64 CC 69 74 05
386 386  
387 -**1:** Use upper and lower limits
385 +[[image:image-20230805144936-2.png||height="113" width="746"]]
388 388  
389 -**2:** Less than the upper limit
387 +**Uplink:**
390 390  
391 -**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
392 392  
393 393  
394 -(% style="color:blue" %)**Distance limit alarm count:**
392 +**Parsed Value:**
395 395  
396 -People or objects are collected and counted within a limited distance.
394 +[DISTANCE , DISTANCE_SIGNAL_STRENGTH，LIDAR_TEMP，EXTI_STATUS , EXTI_FLAG , TIME]
397 397  
398 -The detection of a stationary person or object at each sampling time will be repeated three times, and the fourth sampling count will be added by 1.
399 399  
400 -**Example:**
397 +[360,176,30,High,True,2023-08-04 02:53:00],
401 401  
402 -**AT+DOL=1,500,244,**(% style="color:red" %)1(%%)**,120   **
399 +[355,168,30,Low,False,2023-08-04 02:53:29],
403 403  
404 -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],
405 405  
406 -If payload is: 0x56H, interrupt count =0x56H =86
403 +[57,700,30,Low,False,2023-08-04 02:55:29],
407 407  
405 +[361,164,30,Low,True,2023-08-04 02:56:00],
408 408  
409 -(% style="color:blue" %)**Upper limit:**
407 +[337,184,30,Low,False,2023-08-04 02:56:40],
410 410  
411 -The upper limit of the threshold cannot exceed 2000mm.
409 +[20,4458,30,Low,False,2023-08-04 02:57:40],
412 412  
411 +[362,173,30,Low,False,2023-08-04 02:58:53],
413 413  
414 -(% style="color:blue" %)**Lower limit:**
415 415  
416 -The lower limit of the threshold cannot be less than 3mm.
414 +**History read from serial port：**
417 417  
416 +[[image:image-20230805145056-3.png]]
418 418  
419 -== 2.4 Decode payload in The Things Network ==
420 420  
419 +=== 2.3.4 Decode payload in The Things Network ===
421 421  
421 +
422 422  While using TTN network, you can add the payload format to decode the payload.
423 423  
424 -[[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"]]
425 425  
426 426  
427 427  (((
... ... @@ -433,11 +433,11 @@
433 433  )))
434 434  
435 435  
436 -== 2.5 ​Show Data in DataCake IoT Server ==
436 +== 2.4 ​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, 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:
441 441  )))
442 442  
443 443  
... ... @@ -450,29 +450,25 @@
450 450  )))
451 451  
452 452  
453 -[[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"]]
454 454  
455 455  
456 -[[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"]]
457 457  
458 -For more detailed instructions, refer to the following instructions: [[Welcome - Datacake Docs>>url:https://docs.datacake.de/]]
459 459  
460 -[[image:image-20231207160733-11.png||height="429" width="759"]]
461 -
462 -
463 463  (% style="color:blue" %)**Step 3**(%%)**: Create an account or log in Datacake.**
464 464  
465 465  (% style="color:blue" %)**Step 4**(%%)**: Search the DS20L and add DevEUI.**
466 466  
467 -[[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"]]
468 468  
469 469  
470 470  After added, the sensor data arrive TTN V3, it will also arrive and show in Datacake.
471 471  
472 -[[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"]]
473 473  
474 474  
475 -== 2.6 Frequency Plans ==
471 +== 2.5 Frequency Plans ==
476 476  
477 477  
478 478  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.
... ... @@ -510,7 +510,7 @@
510 510  == 3.3 Commands special design for DS20L ==
511 511  
512 512  
513 -Below commands only valid for DS20L, as below:
509 +These commands only valid for DS20L, as below:
514 514  
515 515  
516 516  === 3.3.1 Set Transmit Interval Time ===
... ... @@ -553,9 +553,6 @@
553 553  )))
554 554  * (((
555 555  Example 2: Downlink Payload: 0100003C  ~/~/ Set Transmit Interval (TDC) = 60 seconds
556 -
557 -
558 -
559 559  )))
560 560  
561 561  === 3.3.2 Set Interrupt Mode ===
... ... @@ -597,7 +597,7 @@
597 597  * Example 2: Downlink Payload: 06000003  ~/~/  Set the interrupt mode to rising edge trigger
598 598  
599 599  
600 -=== 3.3.3 Set work mode ===
593 +== 3.3.3 Set work mode ==
601 601  
602 602  
603 603  Feature: Switch working mode
... ... @@ -614,11 +614,10 @@
614 614  
615 615  (% style="color:blue" %)**Downlink Command:**
616 616  
617 -* **Example: **0x0A01 ~/~/  Same as AT+MOD=1
610 +* **Example: **0x0A00  ~/~/  Same as AT+MOD=0
618 618  
619 -* **Example:** 0x0A02  ~/~/  Same as AT+MOD=2
612 +* **Example:** 0x0A01  ~/~/  Same as AT+MOD=1
620 620  
621 -
622 622  === 3.3.4 Set threshold and threshold mode ===
623 623  
624 624  
... ... @@ -636,37 +636,21 @@
636 636  )))
637 637  |(% style="width:172px" %)AT+ DOL =1,1800,100,0,400|(% style="width:279px" %)Set only the upper and lower thresholds|(% style="width:118px" %)OK
638 638  
639 -(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:510px" %)
640 -|=(% style="width: 162px;background-color:#4F81BD;color:white" %)**Command Example**|=(% style="width: 193px;background-color:#4F81BD;color:white" %)**Function**|=(% style="width: 155px;background-color:#4F81BD;color:white" %) Parameter
641 -|(% rowspan="11" style="color:blue; width:120px" %)(((
642 -
643 643  
644 644  
645 -
646 -
647 -
648 -
649 -
650 -
651 -
652 -
653 -**AT+DOL=1,1800,3,0,400**
654 -)))|(% rowspan="4" style="width:240px" %)(((
655 -
656 -
657 -
658 -
659 -The first bit sets the limit mode
660 -)))|(% 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
661 661  |(% style="width:251px" %)1: Use upper and lower limits
662 -|(% style="width:251px" %)2:Less than the upper limit
636 +|(% style="width:251px" %)2: Less than the lower limit
663 663  |(% 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
664 664  |(% style="width:226px" %)The second bit sets the upper limit value|(% style="width:251px" %)3~~2000MM
665 665  |(% style="width:226px" %)The third bit sets the lower limit value|(% style="width:251px" %)3~~2000MM
666 666  |(% 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
667 667  |(% style="width:251px" %)1 Person or object counting statistics
668 668  |(% style="width:226px" %)The fifth bit sets the sampling time|(% style="width:251px" %)(((
669 -100~~10000ms
645 +0~~10000ms
670 670  
671 671  
672 672  )))
... ... @@ -673,42 +673,14 @@
673 673  
674 674  (% style="color:blue" %)**Downlink Command: 0x07**
675 675  
676 -Format: Command Code (0x07) followed by 9 bytes.
652 +Format: Command Code (0x07) followed by 9bytes.
677 677  
678 -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
679 679  
680 -* Example 0: Downlink Payload: 07 00 0000 0000 00 0190  **~-~-->**  AT+MOD=0,0,0,0,400
681 -
682 682  * Example 1: Downlink Payload: 070107080064000190  **~-~-->**  AT+MOD=1,1800,100,0,400
683 683  
684 -* Example 2: Downlink Payload: 070200000064000190  **~-~-->**  AT+MOD=2,1800,100,0,400
685 685  
686 -* Example 3: Downlink Payload: 070300000064000190  **~-~-->**  AT+MOD=3,0,100,0,400
687 687  
688 -(% style="color:Red" %)**Note: The over-limit alarm is applied to MOD1 and MOD2.**
689 -
690 -**For example:**
691 -
692 -* **AT+MOD=1**
693 -
694 - **AT+DOL=1,500,244,**(% style="color:blue" %)0(%%)**,300**
695 -
696 -Send data according to the normal TDC time. If the mode limit is exceeded, the alarm flag is set to 1:
697 -
698 -[[image:image-20231211113204-2.png||height="292" width="1093"]]
699 -
700 -* **AT+MOD=2  **
701 -
702 - **AT+DOL=1,500,244,**(% style="color:blue" %)0(%%)**,300**
703 -
704 -If the mode limit is exceeded, the data is immediately uplink and the alarm flag is set to 1:
705 -
706 -[[image:image-20231211114932-3.png||height="277" width="1248"]]
707 -
708 -
709 -
710 -
711 -
712 712  = 4. Battery & Power Consumption =
713 713  
714 714  
... ... @@ -737,7 +737,6 @@
737 737  
738 738  * Update through UART TTL interface: **[[Instruction>>url:http://wiki.dragino.com/xwiki/bin/view/Main/UART%20Access%20for%20LoRa%20ST%20v4%20base%20model/#H1.LoRaSTv4baseHardware]]**.
739 739  
740 -
741 741  = 6. FAQ =
742 742  
743 743  == 6.1 What is the frequency plan for DS20L? ==
... ... @@ -746,33 +746,6 @@
746 746  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"]]
747 747  
748 748  
749 -== 6.2 DS20L programming line ==
750 -
751 -
752 -缺图 后续补上
753 -
754 -feature:
755 -
756 -for AT commands
757 -
758 -Update the firmware of DS20L
759 -
760 -Support interrupt mode
761 -
762 -
763 -== 6.3 LiDAR probe position ==
764 -
765 -
766 -[[image:1701155390576-216.png||height="285" width="307"]]
767 -
768 -The black oval hole in the picture is the LiDAR probe.
769 -
770 -
771 -== 6.4 Interface definition ==
772 -
773 -[[image:image-20231128151132-2.png||height="305" width="557"]]
774 -
775 -
776 776  = 7. Trouble Shooting =
777 777  
778 778  == 7.1 AT Command input doesn't work ==
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