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Last modified by Mengting Qiu on 2023/12/14 11:15
From version 113.3
edited by Xiaoling
on 2023/11/10 09:28
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  
... ... @@ -22,7 +22,7 @@
22 22  == 1.1 What is LoRaWAN Smart Distance Detector ==
23 23  
24 24  
25 -The Dragino (% style="color:blue" %)**DS20L is a smart distance detector**(%%) base on long-range wireless LoRaWAN technology. It uses (% style="color:blue" %)**LiDAR sensor**(%%) to detect the distance between DS20L and object, then DS20L will send the distance data to the IoT Platform via LoRaWAN.
25 +The Dragino (% style="color:blue" %)**DS20L is a smart distance detector**(%%) base on long-range wireless LoRaWAN technology. It uses (% style="color:blue" %)**LiDAR sensor**(%%) to detect the distance between DS20L and object, then DS20L will send the distance data to the IoT Platform via LoRaWAN. DS20L can measure range between 3cm ~~ 200cm.
26 26  
27 27  DS20L allows users to send data and reach extremely long ranges via LoRaWAN. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current 
28 28  consumption. It targets professional wireless sensor network applications such smart cities, building automation, and so on.
... ... @@ -31,155 +31,68 @@
31 31  
32 32  DS20L is fully compatible with (% style="color:blue" %)**LoRaWAN v1.0.3 Class A protocol**(%%), it can work with a standard LoRaWAN gateway.
33 33  
34 -DS20L supports (% style="color:blue" %)**Datalog feature**(%%). It will record the data when there is no network coverage and users can retrieve the sensor value later to ensure no miss for every sensor reading.
35 35  
36 -[[image:image-20231110091506-4.png||height="391" width="768"]]
35 +[[image:image-20231110102635-5.png||height="402" width="807"]]
37 37  
38 38  
39 39  == 1.2 ​Features ==
40 40  
41 41  
42 -* LoRaWAN 1.0.3 Class A
43 -* Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865
44 -* Ultra-low power consumption
45 -* Laser technology for distance detection
46 -* Measure Distance: 0.1m~~12m
47 -* Accuracy :  ±5cm@(0.1-5m), ±1%@(5m-12m)
48 -* Monitor Battery Level
49 -* Support Bluetooth v5.1 and LoRaWAN remote configure
50 -* Support wireless OTA update firmware
41 +* LoRaWAN Class A protocol
42 +* LiDAR distance detector, range 3 ~~ 200cm
43 +* Periodically detect or continuously detect mode
51 51  * AT Commands to change parameters
52 -* Downlink to change configure
53 -* 8500mAh Battery for long term use
45 +* Remotely configure parameters via LoRaWAN Downlink
46 +* Alarm & Counting mode
47 +* Firmware upgradable via program port or LoRa protocol
48 +* Built-in 2400mAh battery or power by external power source
54 54  
55 55  == 1.3 Specification ==
56 56  
52 +(% style="color:#037691" %)**LiDAR Sensor:**
57 57  
58 -(% style="color:#037691" %)**Common DC Characteristics:**
54 +* Operation Temperature: -40 ~~ 80 °C
55 +* Operation Humidity: 0~~99.9%RH (no Dew)
56 +* Storage Temperature: -10 ~~ 45°C
57 +* Measure Range: 3cm~~200cm @ 90% reflectivity
58 +* Accuracy: ±2cm @ (3cm~~100cm); ±5% @ (100~~200cm)
59 +* ToF FoV: ±9°, Total 18°
60 +* Light source: VCSEL
59 59  
60 -* Supply Voltage: built in 8500mAh Li-SOCI2 battery , 2.5v ~~ 3.6v
61 -* Operating Temperature: -40 ~~ 85°C
62 +== 1.4 Power Consumption ==
62 62  
63 -(% style="color:#037691" %)**Probe Specification:**
64 64  
65 -* Storage temperature：-20℃~~75℃
66 -* Operating temperature : -20℃~~60℃
67 -* Measure Distance:
68 -** 0.1m ~~ 12m @ 90% Reflectivity
69 -** 0.1m ~~ 4m @ 10% Reflectivity
70 -* Accuracy : ±5cm@(0.1-5m), ±1%@(5m-12m)
71 -* Distance resolution : 1cm
72 -* Ambient light immunity : 70klux
73 -* Enclosure rating : IP65
74 -* Light source : LED
75 -* Central wavelength : 850nm
76 -* FOV : 3.6°
77 -* Material of enclosure : ABS+PC
78 -* Wire length : 25cm
65 +(% style="color:#037691" %)**Battery Power Mode:**
79 79  
80 -(% style="color:#037691" %)**LoRa Spec:**
67 +* Idle: 3uA @ 3.3v
68 +* Max : 360 mA
81 81  
82 -* Frequency Range,  Band 1 (HF): 862 ~~ 1020 Mhz
83 -* Max +22 dBm constant RF output vs.
84 -* RX sensitivity: down to -139 dBm.
85 -* Excellent blocking immunity
70 +(% style="color:#037691" %)**Continuously mode**:
86 86  
87 -(% style="color:#037691" %)**Battery:**
72 +* Idle: 21 mA @ 3.3v
73 +* Max : 360 mA
88 88  
89 -* Li/SOCI2 un-chargeable battery
90 -* Capacity: 8500mAh
91 -* Self-Discharge: <1% / Year @ 25°C
92 -* Max continuously current: 130mA
93 -* Max boost current: 2A, 1 second
75 +== 1.5 Use Case ==
94 94  
95 -(% style="color:#037691" %)**Power Consumption**
77 +(% class="mark" %)**Regular Distance Detect**
96 96  
97 -* Sleep Mode: 5uA @ 3.3v
98 -* LoRa Transmit Mode: 125mA @ 20dBm, 82mA @ 14dBm
79 +[[image:image-20231211220922-1.png||height="352" width="605"]]
99 99  
100 -== 1.4 Applications ==
101 101  
82 +(% class="mark" %)**Counting / Alarm**
102 102  
103 -* Horizontal distance measurement
104 -* Parking management system
105 -* Object proximity and presence detection
106 -* Intelligent trash can management system
107 -* Robot obstacle avoidance
108 -* Automatic control
109 -* Sewer
84 +[[image:image-20231211221253-2.png]]
110 110  
111 -(% style="display:none" %)
112 112  
113 -== 1.5 Sleep mode and working mode ==
87 +[[image:image-20231211221436-3.png]]
114 114  
115 115  
116 -(% style="color:blue" %)**Deep Sleep Mode: **(%%)Sensor doesn't have any LoRaWAN activate. This mode is used for storage and shipping to save battery life.
90 += 2. Configure DS20L to connect to LoRaWAN network =
117 117  
118 -(% style="color:blue" %)**Working Mode:** (%%)In this mode, Sensor will work as LoRaWAN Sensor to Join LoRaWAN network and send out sensor data to server. Between each sampling/tx/rx periodically, sensor will be in IDLE mode), in IDLE mode, sensor has the same power consumption as Deep Sleep mode.
119 -
120 -
121 -== 1.6 Button & LEDs ==
122 -
123 -
124 -[[image:Main.User Manual for LoRaWAN End Nodes.D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual.WebHome@1675071855856-879.png]]
125 -
126 -
127 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
128 -|=(% style="width: 167px;background-color:#4F81BD;color:white" %)**Behavior on ACT**|=(% style="width: 117px;background-color:#4F81BD;color:white" %)**Function**|=(% style="width: 225px;background-color:#4F81BD;color:white" %)**Action**
129 -|(% style="width:167px" %)Pressing ACT between 1s < time < 3s|(% style="width:117px" %)Send an uplink|(% style="width:225px" %)(((
130 -If sensor is already Joined to LoRaWAN network, sensor will send an uplink packet, (% style="color:blue" %)**blue led** (%%)will blink once.
131 -Meanwhile, BLE module will be active and user can connect via BLE to configure device.
132 -)))
133 -|(% style="width:167px" %)Pressing ACT for more than 3s|(% style="width:117px" %)Active Device|(% style="width:225px" %)(((
134 -(% style="color:green" %)**Green led**(%%) will fast blink 5 times, device will enter (% style="color:#037691" %)**OTA mode**(%%) for 3 seconds. And then start to JOIN LoRaWAN network.
135 -(% style="color:green" %)**Green led**(%%) will solidly turn on for 5 seconds after joined in network.
136 -Once sensor is active, BLE module will be active and user can connect via BLE to configure device, no matter if device join or not join LoRaWAN network.
137 -)))
138 -|(% style="width:167px" %)Fast press ACT 5 times.|(% style="width:117px" %)Deactivate Device|(% style="width:225px" %)(% style="color:red" %)**Red led**(%%) will solid on for 5 seconds. Means device is in Deep Sleep Mode.
139 -
140 -== 1.7 BLE connection ==
141 -
142 -
143 -LDS12-LB support BLE remote configure.
144 -
145 -BLE can be used to configure the parameter of sensor or see the console output from sensor. BLE will be only activate on below case:
146 -
147 -* Press button to send an uplink
148 -* Press button to active device.
149 -* Device Power on or reset.
150 -
151 -If there is no activity connection on BLE in 60 seconds, sensor will shut down BLE module to enter low power mode.
152 -
153 -
154 -== 1.8 Pin Definitions ==
155 -
156 -
157 -[[image:image-20230805144259-1.png||height="413" width="741"]]
158 -
159 -== 1.9 Mechanical ==
160 -
161 -
162 -[[image:Main.User Manual for LoRaWAN End Nodes.D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual.WebHome@1675143884058-338.png]]
163 -
164 -
165 -[[image:Main.User Manual for LoRaWAN End Nodes.D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual.WebHome@1675143899218-599.png]]
166 -
167 -
168 -[[image:Main.User Manual for LoRaWAN End Nodes.D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual.WebHome@1675143909447-639.png]]
169 -
170 -
171 -(% style="color:blue" %)**Probe Mechanical:**
172 -
173 -
174 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LLDS12-LoRaWAN%20LiDAR%20ToF%20Distance%20Sensor%20User%20Manual/WebHome/1654827224480-952.png?rev=1.1||alt="1654827224480-952.png"]]
175 -
176 -
177 -= 2. Configure LDS12-LB to connect to LoRaWAN network =
178 -
179 179  == 2.1 How it works ==
180 180  
181 181  
182 -The LDS12-LB is configured as (% style="color:#037691" %)**LoRaWAN OTAA Class A**(%%) mode by default. It has OTAA keys to join LoRaWAN network. To connect a local LoRaWAN network, you need to input the OTAA keys in the LoRaWAN IoT server and press the button to activate the LDS12-LB. It will automatically join the network via OTAA and start to send the sensor value. The default uplink interval is 20 minutes.
95 +The DS20L is configured as (% style="color:#037691" %)**LoRaWAN OTAA Class A**(%%) mode by default. It has OTAA keys to join LoRaWAN network. To connect a local LoRaWAN network, you need to input the OTAA keys in the LoRaWAN IoT server and press the button to activate the DS20L. It will automatically join the network via OTAA and start to send the sensor value. The default uplink interval is 20 minutes.
183 183  
184 184  (% style="display:none" %) (%%)
185 185  
... ... @@ -188,58 +188,53 @@
188 188  
189 189  Following is an example for how to join the [[TTN v3 LoRaWAN Network>>url:https://console.cloud.thethings.network/]]. Below is the network structure; we use the [[LPS8v2>>url:https://www.dragino.com/products/lora-lorawan-gateway/item/228-lps8v2.html]] as a LoRaWAN gateway in this example.
190 190  
191 -The LPS8v2 is already set to connected to [[TTN network >>url:https://console.cloud.thethings.network/]], so what we need to now is configure the TTN server.
104 +The LPS8v2 is already set to connected to [[TTN network >>url:https://console.cloud.thethings.network/]], so what we need to now is configure the TTN server.(% style="display:none" %)
192 192  
193 -[[image:image-20231110091447-3.png||height="383" width="752"]](% style="display:none" %)
106 +[[image:image-20231110102635-5.png||height="402" width="807"]](% style="display:none" %)
194 194  
108 +=== Step 1: Create a device in TTN with the OTAA keys from DS20L. ===
195 195  
196 -(% style="color:blue" %)**Step 1:**(%%) Create a device in TTN with the OTAA keys from LDS12-LB.
110 +Each DS20L is shipped with a sticker with the default device EUI as below:
197 197  
198 -Each LDS12-LB is shipped with a sticker with the default device EUI as below:
199 -
200 200  [[image:image-20230426084152-1.png||alt="图片-20230426084152-1.png" height="233" width="502"]]
201 201  
202 202  
203 -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:
204 204  
205 205  
206 206  (% style="color:blue" %)**Register the device**
207 207  
208 -[[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"]]
209 209  
210 210  
211 -(% style="color:blue" %)**Add APP EUI and DEV EUI**
123 +(% style="color:blue" %)**Add DevEUI and AppKey**
212 212  
213 -[[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"]]
214 214  
215 215  
216 -(% style="color:blue" %)**Add APP EUI in the application**
217 217  
129 +=== Step 2: Activate DS20L ===
218 218  
219 -[[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"]]
131 +[[image:image-20231128133704-1.png||height="189" width="441"]]
220 220  
133 +Press the button for 5 seconds to activate the DS20L.
221 221  
222 -(% style="color:blue" %)**Add APP KEY**
135 +The switch is switched to (% style="color:blue" %)**E** (%%)and the external power supply is used.
223 223  
224 -[[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"]]
137 +The switch is switched to (% style="color:blue" %)**I** (%%)and DS20L will be power by the built-in battery.
225 225  
226 -
227 -(% style="color:blue" %)**Step 2:**(%%) Activate on LDS12-LB
228 -
229 -
230 -Press the button for 5 seconds to activate the LDS12-LB.
231 -
232 232  (% 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.
233 233  
234 234  After join success, it will start to upload messages to TTN and you can see the messages in the panel.
235 235  
236 236  
144 +
237 237  == 2.3 ​Uplink Payload ==
238 238  
239 239  === 2.3.1 Device Status, FPORT~=5 ===
240 240  
241 241  
242 -Users can use the downlink command(**0x26 01**) to ask LDS12-LB to send device configure detail, include device configure status. LDS12-LB will uplink a payload via FPort=5 to server.
150 +Users can use the downlink command(**0x26 01**) to ask DS20L to send device configure detail, include device configure status. DS20L will uplink a payload via FPort=5 to server.
243 243  
244 244  The Payload format is as below.
245 245  
... ... @@ -251,9 +251,9 @@
251 251  
252 252  Example parse in TTNv3
253 253  
254 -[[image:image-20230805103904-1.png||height="131" width="711"]]
162 +[[image:image-20231206151412-3.png||height="179" width="1070"]]
255 255  
256 -(% style="color:blue" %)**Sensor Model**(%%): For LDS12-LB, this value is 0x24
164 +(% style="color:blue" %)**Sensor Model**(%%): For DS20L, this value is 0x21
257 257  
258 258  (% style="color:blue" %)**Firmware Version**(%%): 0x0100, Means: v1.0.0 version
259 259  
... ... @@ -307,443 +307,289 @@
307 307  === 2.3.2 Uplink Payload, FPORT~=2 ===
308 308  
309 309  
310 -(((
311 -LDS12-LB will send this uplink **after** Device Status once join the LoRaWAN network successfully. And LDS12-LB will:
218 +==== (% style="color:red" %)**AT+MOD~=1**(%%) ====
312 312  
313 -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.
314 314  
315 -Uplink Payload totals 11 bytes.
316 -)))
222 +**Uplink Payload totals 10 bytes.**
317 317  
318 318  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
319 -|=(% style="width: 60px;background-color:#4F81BD;color:white" %)(((
320 -**Size(bytes)**
321 -)))|=(% 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**
322 -|(% style="width:62.5px" %)Value|(% style="width:62.5px" %)[[BAT>>||anchor="HBatteryInfo"]]|(% style="width:62.5px" %)(((
323 -[[Temperature DS18B20>>||anchor="HDS18B20Temperaturesensor"]]
324 -)))|[[Distance>>||anchor="HDistance"]]|[[Distance signal strength>>||anchor="HDistancesignalstrength"]]|(% style="width:122px" %)(((
325 -[[Interrupt flag & Interrupt_level>>||anchor="HInterruptPin26A0InterruptLevel"]]
326 -)))|(% style="width:54px" %)[[LiDAR temp>>||anchor="HLiDARtemp"]]|(% style="width:96px" %)(((
327 -[[Message Type>>||anchor="HMessageType"]]
328 -)))
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
329 329  
330 -[[image:image-20230805104104-2.png||height="136" width="754"]]
228 +**MOD+ Alarm+ Interrupt:**
331 331  
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
332 332  
333 -==== (% style="color:blue" %)**Battery Info**(%%) ====
236 +0: No Alarm;
334 334  
238 +1: Alarm
239 +)))
335 335  
336 -Check the battery voltage for LDS12-LB.
241 +Example parse in TTNv3
337 337  
338 -Ex1: 0x0B45 = 2885mV
243 +[[image:image-20231209152917-1.png||height="300" width="1172"]]
339 339  
340 -Ex2: 0x0B49 = 2889mV
245 +(% style="color:blue" %)**Battery Info:**
341 341  
247 +Check the battery voltage for DS20L
342 342  
343 -==== (% style="color:blue" %)**DS18B20 Temperature sensor**(%%) ====
249 +Ex1: 0x0E10 = 3600mV
344 344  
345 345  
346 -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:**
347 347  
254 +(% style="color:red" %)**MOD:**
348 348  
349 -**Example**:
256 +**Example: ** (0x60>>6) & 0x3f =1
350 350  
351 -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).
352 352  
353 -If payload is: FF3FH :  (FF3F & FC00 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
261 +(% style="color:red" %)**Alarm:**
354 354  
263 +When the detection distance exceeds the limit, the alarm flag is set to 1.
355 355  
356 -==== (% style="color:blue" %)**Distance**(%%) ====
265 +(% style="color:red" %)**Interrupt:**
357 357  
267 +Whether it is an external interrupt.
358 358  
359 -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.
360 360  
270 +(% style="color:blue" %)**Distance info:**
361 361  
362 362  **Example**:
363 363  
364 -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
365 365  
366 366  
367 -==== (% style="color:blue" %)**Distance signal strength**(%%) ====
277 +(% style="color:blue" %)**Sensor State:**
368 368  
279 +Ex1: 0x00: Normal collection distance
369 369  
370 -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
371 371  
372 372  
373 -**Example**:
284 +(% style="color:blue" %)**Interrupt Count:**
374 374  
375 -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
376 376  
377 -Customers can judge whether they need to adjust the environment based on the signal strength.
378 378  
379 379  
380 -**1) When the sensor detects valid data:**
290 +==== (% style="color:red" %)**AT+MOD~=2**(%%)** ** ====
381 381  
382 -[[image:image-20230805155335-1.png||height="145" width="724"]]
383 383  
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.)
384 384  
385 -**2) When the sensor detects invalid data:**
295 +[[image:image-20231128133704-1.png||height="189" width="441"]]
386 386  
387 -[[image:image-20230805155428-2.png||height="139" width="726"]]
388 388  
298 +* **Set over-limit alarm mode: AT+DOL=3,500,244,**(% style="color:red" %)0(%%)**,120**
389 389  
390 -**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.
391 391  
392 -[[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
393 393  
307 +[[image:image-20231209171127-3.png||height="374" width="1209"]]
394 394  
395 -==== (% style="color:blue" %)**Interrupt Pin & Interrupt Level**(%%) ====
309 +(% style="color:blue" %)**MOD & Alarm & Do & Limit flag:**
396 396  
311 +(% style="color:red" %)**MOD:**
397 397  
398 -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
399 399  
400 -Note: The Internet Pin is a separate pin in the screw terminal. See [[pin mapping>>||anchor="H1.8PinDefinitions"]] of GPIO_EXTI .
315 +**0x01:**  Regularly detect distance and report.
316 +**0x02: ** Uninterrupted measurement (external power supply).
401 401  
402 -**Example:**
318 +(% style="color:red" %)**Alarm:**
403 403  
404 -If byte[0]&0x01=0x00 : Normal uplink packet.
320 +When the detection distance exceeds the limit, the alarm flag is set to 1.
405 405  
406 -If byte[0]&0x01=0x01 : Interrupt Uplink Packet.
322 +(% style="color:red" %)**DO:**
407 407  
324 +When the distance exceeds the set threshold, pull the Do pin high.
408 408  
409 -==== (% style="color:blue" %)**LiDAR temp**(%%) ====
326 +(% style="color:red" %)**Limit flag:**
410 410  
328 +Mode for setting threshold: **0~~3**
411 411  
412 -Characterize the internal temperature value of the sensor.
330 +**0:** does not use upper and lower limits
413 413  
414 -**Example: **
415 -If payload is: 1C(H) <<24>>24=28(D),LiDAR temp=28℃.
416 -If payload is: F2(H) <<24>>24=-14(D),LiDAR temp=-14℃.
332 +**1:** Use upper and lower limits
417 417  
334 +**2:** Less than the upper limit
418 418  
419 -==== (% style="color:blue" %)**Message Type**(%%) ====
336 +**3: **Greater than the lower limit
420 420  
421 421  
422 -(((
423 -For a normal uplink payload, the message type is always 0x01.
424 -)))
339 +(% style="color:blue" %)**Distance:**
425 425  
426 -(((
427 -Valid Message Type:
428 -)))
341 + Actual sampling distance values.
429 429  
430 -(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:499px" %)
431 -|=(% 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**
432 -|(% style="width:160px" %)0x01|(% style="width:163px" %)Normal Uplink|(% style="width:173px" %)Normal Uplink Payload
433 -|(% style="width:160px" %)0x02|(% style="width:163px" %)Reply configures info|(% style="width:173px" %)Configure Info Payload
343 +**Example:**
434 434  
435 -[[image:image-20230805150315-4.png||height="233" width="723"]]
345 +**AT+DOL=1,500,244,**(% style="color:red" %)0(%%)**,120  **
436 436  
347 +The distance is detected every 120ms.
437 437  
438 -=== 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.
439 439  
351 +When the actual detection value is outside the range of [244mm,500mm], the uplink data will be immediately alerted.
440 440  
441 -LDS12-LB 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
442 442  
443 -The historical payload includes one or multiplies entries and every entry has the same payload as Real-Time measuring distance.
444 444  
445 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
446 -|=(% style="width: 60px;background-color:#4F81BD;color:white" %)(((
447 -**Size(bytes)**
448 -)))|=(% 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
449 -|(% style="width:62.5px" %)Value|(% style="width:62.5px" %)Interrupt flag & Interrupt_level|(% style="width:62.5px" %)(((
450 -Reserve(0xFF)
451 -)))|Distance|Distance signal strength|(% style="width:88px" %)(((
452 -LiDAR temp
453 -)))|(% style="width:85px" %)Unix TimeStamp
356 +(% style="color:blue" %)**Upper limit:**
454 454  
455 -**Interrupt flag & Interrupt level:**
358 +The upper limit of the threshold cannot exceed 2000mm.
456 456  
457 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:480px" %)
458 -|=(% style="width: 60px;background-color:#4F81BD;color:white" %)(((
459 -**Size(bit)**
460 -)))|=(% 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**
461 -|(% 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" %)(((
462 -Interrupt flag
463 -)))
464 464  
465 -* (((
466 -Each data entry is 11 bytes and has the same structure as [[Uplink Payload>>||anchor="H2.3.2UplinkPayload2CFPORT3D2"]], to save airtime and battery, LDS12-LB will send max bytes according to the current DR and Frequency bands.
467 -)))
361 +(% style="color:blue" %)**Lower limit:**
468 468  
469 -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.
470 470  
471 -**a) DR0:** max is 11 bytes so one entry of data
472 472  
473 -**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**
474 474  
475 -**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.
476 476  
477 -**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
478 478  
479 -If LDS12-LB 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"]]
480 480  
376 +(% style="color:blue" %)**MOD & Alarm & Do & Limit flag:**
481 481  
482 -**Downlink:**
378 +(% style="color:red" %)**MOD:**
483 483  
484 -0x31 64 CC 68 0C 64 CC 69 74 05
380 +**Example: ** (0x60>>6) & 0x3f =1
485 485  
486 -[[image:image-20230805144936-2.png||height="113" width="746"]]
382 +**0x01:**  Regularly detect distance and report.
383 +**0x02: ** Uninterrupted measurement (external power supply).
487 487  
488 -**Uplink:**
385 +(% style="color:red" %)**Alarm:**
489 489  
490 -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.
491 491  
389 +(% style="color:red" %)**Do:**
492 492  
493 -**Parsed Value:**
391 +When the distance exceeds the set threshold, pull the Do pin high.
494 494  
495 -[DISTANCE , DISTANCE_SIGNAL_STRENGTH，LIDAR_TEMP，EXTI_STATUS , EXTI_FLAG , TIME]
393 +(% style="color:red" %)**Limit flag:**
496 496  
395 +Mode for setting threshold: **0~~3**
497 497  
498 -[360,176,30,High,True,2023-08-04 02:53:00],
397 +**0:** does not use upper and lower limits
499 499  
500 -[355,168,30,Low,False,2023-08-04 02:53:29],
399 +**1:** Use upper and lower limits
501 501  
502 -[245,211,30,Low,False,2023-08-04 02:54:29],
401 +**2:** Less than the upper limit
503 503  
504 -[57,700,30,Low,False,2023-08-04 02:55:29],
403 +**3: **Greater than the lower limit
505 505  
506 -[361,164,30,Low,True,2023-08-04 02:56:00],
507 507  
508 -[337,184,30,Low,False,2023-08-04 02:56:40],
406 +(% style="color:blue" %)**Distance limit alarm count:**
509 509  
510 -[20,4458,30,Low,False,2023-08-04 02:57:40],
408 +People or objects are collected and counted within a limited distance.
511 511  
512 -[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.
513 513  
412 +**Example:**
514 514  
515 -**History read from serial port：**
414 +**AT+DOL=1,500,244,**(% style="color:red" %)1(%%)**,120   **
516 516  
517 -[[image:image-20230805145056-3.png]]
416 +People or objects passing within the distance range of [244mm,500mm] are detected and counted every 120ms.
518 518  
418 +If payload is: 0x56H, interrupt count =0x56H =86
519 519  
520 -=== 2.3.4 Decode payload in The Things Network ===
521 521  
421 +(% style="color:blue" %)**Upper limit:**
522 522  
523 -While using TTN network, you can add the payload format to decode the payload.
423 +The upper limit of the threshold cannot exceed 2000mm.
524 524  
525 -[[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"]]
526 526  
426 +(% style="color:blue" %)**Lower limit:**
527 527  
528 -(((
529 -The payload decoder function for TTN is here:
530 -)))
428 +The lower limit of the threshold cannot be less than 3mm.
531 531  
532 -(((
533 -LDS12-LB TTN Payload Decoder:  [[https:~~/~~/github.com/dragino/dragino-end-node-decoder>>https://github.com/dragino/dragino-end-node-decoder]]
534 -)))
535 535  
431 +== 2.4 Decode payload in The Things Network ==
536 536  
537 -== 2.4 ​Show Data in DataCake IoT Server ==
538 538  
434 +While using TTN network, you can add the payload format to decode the payload.
539 539  
540 -(((
541 -[[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:
542 -)))
436 +[[image:image-20231206143515-1.png||height="534" width="759"]]
543 543  
544 544  
545 545  (((
546 -(% style="color:blue" %)**Step 1**(%%)**: Be sure that your device is programmed and properly connected to the network at this time.**
440 +The payload decoder function for TTN is here:
547 547  )))
548 548  
549 549  (((
550 -(% style="color:blue" %)**Step 2**(%%)**: To configure the Application to forward data to DATACAKE you will need to add integration. To add the DATACAKE integration, perform the following steps:**
444 +DS20L TTN Payload Decoder:  [[https:~~/~~/github.com/dragino/dragino-end-node-decoder>>https://github.com/dragino/dragino-end-node-decoder]]
551 551  )))
552 552  
553 553  
554 -[[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"]]
448 +== 2.5 ​Show Data in DataCake IoT Server ==
555 555  
556 556  
557 -[[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"]]
558 -
559 -
560 -(% style="color:blue" %)**Step 3**(%%)**: Create an account or log in Datacake.**
561 -
562 -(% style="color:blue" %)**Step 4**(%%)**: Search the LDS12-LB and add DevEUI.**
563 -
564 -[[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"]]
565 -
566 -
567 -After added, the sensor data arrive TTN V3, it will also arrive and show in Datacake.
568 -
569 -[[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"]]
570 -
571 -
572 -== 2.5 Datalog Feature ==
573 -
574 -
575 -Datalog Feature is to ensure IoT Server can get all sampling data from Sensor even if the LoRaWAN network is down. For each sampling, LDS12-LB will store the reading for future retrieving purposes.
576 -
577 -
578 -=== 2.5.1 Ways to get datalog via LoRaWAN ===
579 -
580 -
581 -Set PNACKMD=1, LDS12-LB will wait for ACK for every uplink, when there is no LoRaWAN network,LDS12-LB will mark these records with non-ack messages and store the sensor data, and it will send all messages (10s interval) after the network recovery.
582 -
583 -* (((
584 -a) LDS12-LB will do an ACK check for data records sending to make sure every data arrive server.
585 -)))
586 -* (((
587 -b) LDS12-LB will send data in **CONFIRMED Mode** when PNACKMD=1, but LDS12-LB won't re-transmit the packet if it doesn't get ACK, it will just mark it as a NONE-ACK message. In a future uplink if LDS12-LB gets a ACK, LDS12-LB will consider there is a network connection and resend all NONE-ACK messages.
588 -)))
589 -
590 -Below is the typical case for the auto-update datalog feature (Set PNACKMD=1)
591 -
592 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/WebHome/image-20220703111700-2.png?width=1119&height=381&rev=1.1||alt="图片-20220703111700-2.png" height="381" width="1119"]]
593 -
594 -
595 -=== 2.5.2 Unix TimeStamp ===
596 -
597 -
598 -LDS12-LB uses Unix TimeStamp format based on
599 -
600 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/WebHome/image-20220523001219-11.png?width=627&height=97&rev=1.1||alt="图片-20220523001219-11.png" height="97" width="627"]]
601 -
602 -User can get this time from link:  [[https:~~/~~/www.epochconverter.com/>>url:https://www.epochconverter.com/]] :
603 -
604 -Below is the converter example
605 -
606 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/WebHome/image-20220523001219-12.png?width=720&height=298&rev=1.1||alt="图片-20220523001219-12.png" height="298" width="720"]]
607 -
608 -
609 -So, we can use AT+TIMESTAMP=1611889405 or downlink 3060137afd00 to set the current time 2021 – Jan ~-~- 29 Friday 03:03:25
610 -
611 -
612 -=== 2.5.3 Set Device Time ===
613 -
614 -
615 -User need to set (% style="color:blue" %)**SYNCMOD=1**(%%) to enable sync time via MAC command.
616 -
617 -Once LDS12-LB Joined LoRaWAN network, it will send the MAC command (DeviceTimeReq) and the server will reply with (DeviceTimeAns) to send the current time to LDS12-LB. If LDS12-LB fails to get the time from the server, LDS12-LB will use the internal time and wait for next time request (AT+SYNCTDC to set the time request period, default is 10 days).
618 -
619 -(% style="color:red" %)**Note: LoRaWAN Server need to support LoRaWAN v1.0.3(MAC v1.0.3) or higher to support this MAC command feature, Chirpstack,TTN V3 v3 and loriot support but TTN V3 v2 doesn't support. If server doesn't support this command, it will through away uplink packet with this command, so user will lose the packet with time request for TTN V3 v2 if SYNCMOD=1.**
620 -
621 -
622 -=== 2.5.4 Poll sensor value ===
623 -
624 -
625 -Users can poll sensor values based on timestamps. Below is the downlink command.
626 -
627 -(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:425.818px" %)
628 -|(% colspan="4" style="background-color:#4f81bd; color:white; width:423px" %)**Downlink Command to poll Open/Close status (0x31)**
629 -|(% style="width:58px" %)**1byte**|(% style="width:127px" %)**4bytes**|(% style="width:124px" %)**4bytes**|(% style="width:114px" %)**1byte**
630 -|(% style="width:58px" %)31|(% style="width:127px" %)Timestamp start|(% style="width:124px" %)Timestamp end|(% style="width:114px" %)Uplink Interval
631 -
632 632  (((
633 -Timestamp start and Timestamp end-use Unix TimeStamp format as mentioned above. Devices will reply with all data logs during this period, using the uplink interval.
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:
634 634  )))
635 635  
636 -(((
637 -For example, downlink command [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/CPL01%20LoRaWAN%20Outdoor%20PulseContact%20%20Sensor%20Manual/WebHome/image-20220518162852-1.png?rev=1.1||alt="image-20220518162852-1.png"]]
638 -)))
639 639  
640 640  (((
641 -Is to check 2021/11/12 12:00:00 to 2021/11/12 15:00:00's data
457 +(% style="color:blue" %)**Step 1**(%%)**: Be sure that your device is programmed and properly connected to the network at this time.**
642 642  )))
643 643  
644 644  (((
645 -Uplink Internal =5s，means LDS12-LB will send one packet every 5s. range 5~~255s.
461 +(% style="color:blue" %)**Step 2**(%%)**: To configure the Application to forward data to DATACAKE you will need to add integration. To add the DATACAKE integration, perform the following steps:**
646 646  )))
647 647  
648 648  
649 -== 2.6 Frequency Plans ==
465 +[[image:image-20231207153532-6.png||height="562" width="861"]]
650 650  
651 651  
652 -The LDS12-LB 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.
468 +[[image:image-20231207155940-8.png]]
653 653  
654 -[[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20Frequency%20Band/>>http://wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20Frequency%20Band/]]
470 +For more detailed instructions, refer to the following instructions: [[Welcome - Datacake Docs>>url:https://docs.datacake.de/]]
655 655  
472 +[[image:image-20231207160733-11.png||height="429" width="759"]]
656 656  
657 -== 2.7 LiDAR ToF Measurement ==
658 658  
659 -=== 2.7.1 Principle of Distance Measurement ===
475 +(% style="color:blue" %)**Step 3**(%%)**: Create an account or log in Datacake.**
660 660  
477 +(% style="color:blue" %)**Step 4**(%%)**: Search the DS20L and add DevEUI.**
661 661  
662 -The LiDAR probe is based on TOF, namely, Time of Flight principle. To be specific, the product emits modulation wave of near infrared ray on a periodic basis, which will be reflected after contacting object. The product obtains the time of flight by measuring round-trip phase difference and then calculates relative range between the product and the detection object, as shown below.
479 +[[image:image-20231207160343-10.png||height="665" width="705"]]
663 663  
664 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LLDS12-LoRaWAN%20LiDAR%20ToF%20Distance%20Sensor%20User%20Manual/WebHome/1654831757579-263.png?rev=1.1||alt="1654831757579-263.png"]]
665 665  
482 +After added, the sensor data arrive TTN V3, it will also arrive and show in Datacake.
666 666  
667 -=== 2.7.2 Distance Measurement Characteristics ===
484 +[[image:image-20231129100454-2.png||height="501" width="928"]]
668 668  
669 669  
670 -With optimization of light path and algorithm, The LiDAR probe has minimized influence from external environment on distance measurement performance. Despite that, the range of distance measurement may still be affected by the environment illumination intensity and the reflectivity of detection object. As shown in below:
487 +== 2.6 Frequency Plans ==
671 671  
672 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LLDS12-LoRaWAN%20LiDAR%20ToF%20Distance%20Sensor%20User%20Manual/WebHome/1654831774373-275.png?rev=1.1||alt="1654831774373-275.png"]]
673 673  
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.
674 674  
675 -(((
676 -(% style="color:blue" %)**① **(%%)Represents the detection blind zone of The LiDAR probe, 0-10cm, within which the output data is unreliable.
677 -)))
492 +[[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20Frequency%20Band/>>http://wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20Frequency%20Band/]]
678 678  
679 -(((
680 -(% style="color:blue" %)**② **(%%)Represents the operating range of The LiDAR probe detecting black target with 10% reflectivity, 0.1-5m.
681 -)))
682 682  
683 -(((
684 -(% style="color:blue" %)**③ **(%%)Represents the operating range of The LiDAR probe detecting white target with 90% reflectivity, 0.1-12m.
685 -)))
495 += 3. Configure DS20L =
686 686  
687 -
688 -(((
689 -Vertical Coordinates: Represents the radius of light spot for The LiDAR probe at different distances. The diameter of light spot depends on the FOV of The LiDAR probe (the term of FOV generally refers to the smaller value between the receiving angle and the transmitting angle), which is calculated as follows:
690 -)))
691 -
692 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LLDS12-LoRaWAN%20LiDAR%20ToF%20Distance%20Sensor%20User%20Manual/WebHome/1654831797521-720.png?rev=1.1||alt="1654831797521-720.png"]]
693 -
694 -(((
695 -In the formula above, d is the diameter of light spot; D is detecting range; β is the value of the receiving angle of The LiDAR probe, 3.6°. Correspondence between the diameter of light spot and detecting range is given in Table below.
696 -)))
697 -
698 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LLDS12-LoRaWAN%20LiDAR%20ToF%20Distance%20Sensor%20User%20Manual/WebHome/1654831810009-716.png?rev=1.1||alt="1654831810009-716.png"]]
699 -
700 -(((
701 -If the light spot reaches two objects with different distances, as shown in Figure 3, the output distance value will be a value between the actual distance values of the two objects. For a high accuracy requirement in practice, the above situation should be noticed to avoid the measurement error.
702 -)))
703 -
704 -
705 -=== 2.7.3 Notice of usage ===
706 -
707 -
708 -Possible invalid /wrong reading for LiDAR ToF tech:
709 -
710 -* Measure high reflectivity object such as: Mirror, Smooth ceramic tile, static milk surface, will have possible wrong readings.
711 -* While there is transparent object such as glass, water drop between the measured object and the LiDAR sensor, the reading might be wrong.
712 -* The LiDAR probe is cover by dirty things; the reading might be wrong. In this case, need to clean the probe.
713 -* The sensor window is made by Acrylic. Don't touch it with alcohol material. This will destroy the sensor window.
714 -
715 -=== 2.7.4  Reflectivity of different objects ===
716 -
717 -
718 -(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:379px" %)
719 -|=(% style="width: 54px;background-color:#4F81BD;color:white" %)Item|=(% style="width: 231px;background-color:#4F81BD;color:white" %)Material|=(% style="width: 94px;background-color:#4F81BD;color:white" %)Relectivity
720 -|(% style="width:53px" %)1|(% style="width:229px" %)Black foam rubber|(% style="width:93px" %)2.4%
721 -|(% style="width:53px" %)2|(% style="width:229px" %)Black fabric|(% style="width:93px" %)3%
722 -|(% style="width:53px" %)3|(% style="width:229px" %)Black rubber|(% style="width:93px" %)4%
723 -|(% style="width:53px" %)4|(% style="width:229px" %)Coal (different types of coal)|(% style="width:93px" %)4~~8%
724 -|(% style="width:53px" %)5|(% style="width:229px" %)Black car paint|(% style="width:93px" %)5%
725 -|(% style="width:53px" %)6|(% style="width:229px" %)Black Jam|(% style="width:93px" %)10%
726 -|(% style="width:53px" %)7|(% style="width:229px" %)Opaque black plastic|(% style="width:93px" %)14%
727 -|(% style="width:53px" %)8|(% style="width:229px" %)Clean rough board|(% style="width:93px" %)20%
728 -|(% style="width:53px" %)9|(% style="width:229px" %)Translucent plastic bottle|(% style="width:93px" %)62%
729 -|(% style="width:53px" %)10|(% style="width:229px" %)Carton cardboard|(% style="width:93px" %)68%
730 -|(% style="width:53px" %)11|(% style="width:229px" %)Clean pine|(% style="width:93px" %)70%
731 -|(% style="width:53px" %)12|(% style="width:229px" %)Opaque white plastic|(% style="width:93px" %)87%
732 -|(% style="width:53px" %)13|(% style="width:229px" %)White Jam|(% style="width:93px" %)90%
733 -|(% style="width:53px" %)14|(% style="width:229px" %)Kodak Standard Whiteboard|(% style="width:93px" %)100%
734 -|(% style="width:53px" %)15|(% style="width:229px" %)(((
735 -Unpolished white metal surface
736 -)))|(% style="width:93px" %)130%
737 -|(% style="width:53px" %)16|(% style="width:229px" %)Glossy light metal surface|(% style="width:93px" %)150%
738 -|(% style="width:53px" %)17|(% style="width:229px" %)stainless steel|(% style="width:93px" %)200%
739 -|(% style="width:53px" %)18|(% style="width:229px" %)Reflector plate, reflective tape|(% style="width:93px" %)>300%
740 -
741 -= 3. Configure LDS12-LB =
742 -
743 743  == 3.1 Configure Methods ==
744 744  
745 745  
746 -LDS12-LB supports below configure method:
500 +DS20L supports below configure method:
747 747  
748 748  * AT Command via Bluetooth Connection (**Recommended**): [[BLE Configure Instruction>>http://wiki.dragino.com/xwiki/bin/view/Main/BLE%20Bluetooth%20Remote%20Configure/]].
749 749  
... ... @@ -765,10 +765,10 @@
765 765  [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/>>http://wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/]]
766 766  
767 767  
768 -== 3.3 Commands special design for LDS12-LB ==
522 +== 3.3 Commands special design for DS20L ==
769 769  
770 770  
771 -These commands only valid for LDS12-LB, as below:
525 +Below commands only valid for DS20L, as below:
772 772  
773 773  
774 774  === 3.3.1 Set Transmit Interval Time ===
... ... @@ -810,7 +810,7 @@
810 810  Example 1: Downlink Payload: 0100001E  ~/~/ Set Transmit Interval (TDC) = 30 seconds
811 811  )))
812 812  * (((
813 -Example 2: Downlink Payload: 0100003C  ~/~/ Set Transmit Interval (TDC) = 60 seconds 
567 +Example 2: Downlink Payload: 0100003C  ~/~/ Set Transmit Interval (TDC) = 60 seconds
814 814  
815 815  
816 816  
... ... @@ -833,7 +833,7 @@
833 833  the mode is 0 =Disable Interrupt
834 834  )))
835 835  |(% style="width:154px" %)(((
836 -AT+INTMOD=2
590 +AT+INTMOD=3
837 837  
838 838  (default)
839 839  )))|(% style="width:196px" %)(((
... ... @@ -854,39 +854,121 @@
854 854  
855 855  * Example 2: Downlink Payload: 06000003  ~/~/  Set the interrupt mode to rising edge trigger
856 856  
857 -=== 3.3.3  Set Power Output Duration ===
611 +=== 3.3.3 Set work mode ===
858 858  
859 -Control the output duration 3V3(pin of VBAT_OUT) . Before each sampling, device will
860 860  
861 -~1. first enable the power output to external sensor,
614 +Feature: Switch working mode
862 862  
863 -2. keep it on as per duration, read sensor value and construct uplink payload
616 +(% style="color:blue" %)**AT Command: AT+MOD**
864 864  
865 -3. final, close the power output.
618 +(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:510px" %)
619 +|=(% 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" %)**Response**
620 +|(% style="width:162px" %)AT+MOD=?|(% style="width:191px" %)Get the current working mode.|(% style="width:106px" %)OK
621 +|(% style="width:162px" %)AT+MOD=1|(% style="width:191px" %)Set the working mode to Regular measurements.|(% style="width:106px" %)(((
622 +OK
623 +Attention:Take effect after ATZ
624 +)))
866 866  
867 -(% style="color:blue" %)**AT Command: AT+3V3T**
626 +(% style="color:blue" %)**Downlink Command:**
868 868  
628 +* **Example: **0x0A01 ~/~/  Same as AT+MOD=1
629 +
630 +* **Example:** 0x0A02  ~/~/  Same as AT+MOD=2
631 +
632 +=== 3.3.4 Set threshold and threshold mode ===
633 +
634 +
635 +Feature, Set threshold and threshold mode
636 +
637 +When (% style="color:#037691" %)**AT+DOL=0,0,0,0,400**(%%) is set, No threshold is used, the sampling time is 400ms.
638 +
639 +(% style="color:blue" %)**AT Command: AT+DOL**
640 +
869 869  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
870 -|=(% style="width: 155px;background-color:#4F81BD;color:white" %)**Command Example**|=(% style="width: 197px;background-color:#4F81BD;color:white" %)**Function**|=(% style="width: 158px;background-color:#4F81BD;color:white" %)**Response**
871 -|(% style="width:154px" %)AT+3V3T=?|(% style="width:196px" %)Show 3V3 open time.|(% style="width:157px" %)0 (default)
642 +|(% style="background-color:#4f81bd; color:white; width:162px" %)**Command Example**|(% style="background-color:#4f81bd; color:white; width:240px" %)**Function**|(% style="background-color:#4f81bd; color:white; width:108px" %)**Response**
643 +|(% style="width:172px" %)AT+ DOL =?|(% style="width:279px" %)Get the current threshold mode and sampling time|(% style="width:118px" %)(((
644 +0,0,0,0,400
872 872  OK
873 -|(% style="width:154px" %)AT+3V3T=1000|(% style="width:196px" %)Close after a delay of 1000 milliseconds.|(% style="width:157px" %)OK
874 -|(% style="width:154px" %)AT+3V3T=0|(% style="width:196px" %)Always turn on the power supply of 3V3 pin.|(% style="width:157px" %)OK
875 -|(% style="width:154px" %)AT+3V3T=65535|(% style="width:196px" %)Always turn off the power supply of 3V3 pin.|(% style="width:157px" %)OK
646 +)))
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
876 876  
877 -(% style="color:blue" %)**Downlink Command: 0x07**(%%)
878 -Format: Command Code (0x07) followed by 3 bytes.
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 +
879 879  
880 -The first byte is 01,the second and third bytes are the time to turn on.
881 881  
882 -* Example 1: Downlink Payload: 07 01 00 00  **~-~-->**  AT+3V3T=0
883 -* Example 2: Downlink Payload: 07 01 01 F4  **~-~-->**  AT+3V3T=500
884 -* Example 3: Downlink Payload: 07 01 FF FF  **~-~-->**  AT+3V3T=65535
885 885  
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
671 +|(% style="width:251px" %)1: Use upper and lower limits
672 +|(% style="width:251px" %)2:Less than the upper limit
673 +|(% style="width:251px" %)3: Greater than the lower limit
674 +|(% style="width:226px" %)The second bit sets the upper limit value|(% style="width:251px" %)3~~2000MM
675 +|(% style="width:226px" %)The third bit sets the lower limit value|(% style="width:251px" %)3~~2000MM
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 +|(% style="width:251px" %)1 Person or object counting statistics
678 +|(% style="width:226px" %)The fifth bit sets the sampling time|(% style="width:251px" %)(((
679 +100~~10000ms
680 +
681 +
682 +)))
683 +
684 +(% style="color:blue" %)**Downlink Command: 0x07**
685 +
686 +Format: Command Code (0x07) followed by 9 bytes.
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.
689 +
690 +* Example 0: Downlink Payload: 07 00 0000 0000 00 0190  **~-~-->**  AT+MOD=0,0,0,0,400
691 +
692 +* Example 1: Downlink Payload: 070107080064000190  **~-~-->**  AT+MOD=1,1800,100,0,400
693 +
694 +* Example 2: Downlink Payload: 070200000064000190  **~-~-->**  AT+MOD=2,1800,100,0,400
695 +
696 +* Example 3: Downlink Payload: 070300000064000190  **~-~-->**  AT+MOD=3,0,100,0,400
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 +
886 886  = 4. Battery & Power Consumption =
887 887  
888 888  
889 -LDS12-LB use ER26500 + SPC1520 battery pack. See below link for detail information about the battery info and how to replace.
725 +DS20L use built-in 2400mAh non-chargeable battery for long-term use up to several years*. See below link for detail information about the battery info and how to replace.
890 890  
891 891  [[**Battery Info & Power Consumption Analyze**>>http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20calculate%20the%20battery%20life%20of%20Dragino%20sensors%3F/]] .
892 892  
... ... @@ -895,7 +895,7 @@
895 895  
896 896  
897 897  (% class="wikigeneratedid" %)
898 -User can change firmware LDS12-LB to:
734 +User can change firmware DS20L to:
899 899  
900 900  * Change Frequency band/ region.
901 901  
... ... @@ -903,7 +903,7 @@
903 903  
904 904  * Fix bugs.
905 905  
906 -Firmware and changelog can be downloaded from : **[[Firmware download link>>url:https://www.dropbox.com/sh/w1p7ukjrx49e62r/AAB3uCNCt-koYUvMkZUPBRSca?dl=0]]**
742 +Firmware and changelog can be downloaded from : **[[Firmware download link>>https://www.dropbox.com/sh/zqv1vt3komgp4tu/AAC33PnXIcWOVl_UXBEAeT_xa?dl=0]]**
907 907  
908 908  Methods to Update Firmware:
909 909  
... ... @@ -913,12 +913,39 @@
913 913  
914 914  = 6. FAQ =
915 915  
916 -== 6.1 What is the frequency plan for LDS12-LB? ==
752 +== 6.1 What is the frequency plan for DS20L? ==
917 917  
918 918  
919 -LDS12-LB 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"]]
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"]]
920 920  
921 921  
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 +
922 922  = 7. Trouble Shooting =
923 923  
924 924  == 7.1 AT Command input doesn't work ==
... ... @@ -951,7 +951,7 @@
951 951  = 8. Order Info =
952 952  
953 953  
954 -Part Number: (% style="color:blue" %)**LDS12-LB-XXX**
817 +Part Number: (% style="color:blue" %)**DS20L-XXX**
955 955  
956 956  (% style="color:red" %)**XXX**(%%): **The default frequency band**
957 957  
... ... @@ -976,7 +976,7 @@
976 976  
977 977  (% style="color:#037691" %)**Package Includes**:
978 978  
979 -* LDS12-LB LoRaWAN LiDAR ToF Distance Sensor x 1
842 +* DS20L LoRaWAN Smart Distance Detector x 1
980 980  
981 981  (% style="color:#037691" %)**Dimension and weight**:
982 982  
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