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Last modified by Mengting Qiu on 2023/12/14 11:15
From version 122.1
edited by Xiaoling
on 2023/11/28 15:05
Change comment: Uploaded new attachment "1701155150328-206.png", version {1}
To version 119.1
edited by Xiaoling
on 2023/11/28 14:28
Change comment: Uploaded new attachment "1701152902759-553.png", version {1}

Summary

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Content
... ... @@ -226,115 +226,114 @@
226 226  [[Message Type>>||anchor="HMessageType"]]
227 227  )))
228 228  
229 -==== (% style="color:red" %)**MOD~=1** ====
229 +[[image:image-20230805104104-2.png||height="136" width="754"]]
230 230  
231 -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.
232 232  
233 -Uplink Payload totals 10 bytes.
232 +==== (% style="color:blue" %)**Battery Info**(%%) ====
234 234  
235 -(% border="1" cellspacing="4" style="width:510px;background-color:#f2f2f2" %)
236 -|(% style="width:60px;background-color:#4F81BD;color:white" %)**Size(bytes)**|(% style="width:30px;background-color:#4F81BD;color:white" %)**2**|(% style="width:130px;background-color:#4F81BD;color:white" %)**1**|(% style="width:70px;background-color:#4F81BD;color:white" %)**2**|(% style="width:100px;background-color:#4F81BD;color:white" %)**1**|(% style="width:120px;background-color:#4F81BD;color:white" %)**4**
237 -|(% style="width:91px" %)Value|(% style="width:41px" %)[[BAT>>||anchor="HBatteryInfo"]]|(% style="width:176px" %)MOD+ Alarm+Interrupt|(% style="width:74px" %)Distance|(% style="width:100px" %)Sensor State|(% style="width:119px" %)Interrupt Count
238 238  
235 +Check the battery voltage for DS20L.
239 239  
240 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image001.png]]
237 +Ex1: 0x0B45 = 2885mV
241 241  
242 -(% style="color:blue" %)**Battery Info**
239 +Ex2: 0x0B49 = 2889mV
243 243  
244 -Check the battery voltage for DS20L
245 245  
246 -Ex1: 0x0E10 = 3600mV
242 +==== (% style="color:blue" %)**DS18B20 Temperature sensor**(%%) ====
247 247  
248 -(% style="color:blue" %)**MOD & Alarm & Interrupt:**
249 249  
250 -(% style="color:red" %)**MOD:**
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.
251 251  
252 -**Example: ** (0x60>>6) & 0x3f =1
253 253  
254 -**0x01:**  Regularly detect distance and report.
255 -**0x02: ** Uninterrupted measurement (external power supply).
248 +**Example**:
256 256  
257 -(% style="color:red" %)**Alarm:**
250 +If payload is: 0105H:  (0105 & FC00 == 0), temp = 0105H /10 = 26.1 degree
258 258  
259 -When the detection distance exceeds the limit, the alarm flag is set to 1.
252 +If payload is: FF3FH :  (FF3F & FC00 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
260 260  
261 -(% style="color:red" %)**Interrupt:**
262 262  
263 -Whether it is an external interrupt.
255 +==== (% style="color:blue" %)**Distance**(%%) ====
264 264  
265 -(% style="color:blue" %)**Distance info**
266 266  
258 +Represents the distance value of the measurement output, the default unit is cm, and the value range parsed as a decimal number is 0-1200. In actual use, when the signal strength value Strength.
259 +
260 +
267 267  **Example**:
268 268  
269 -If payload is: 0708H: distance = 0708H = 1800 mm
263 +If the data you get from the register is 0x0B 0xEA, the distance between the sensor and the measured object is 0BEA(H) = 3050 (D)/10 = 305cm.
270 270  
271 -(% style="color:blue" %)**Sensor State**
272 272  
273 -Ex1: 0x00: Normal collection distance
266 +==== (% style="color:blue" %)**Distance signal strength**(%%) ====
274 274  
275 -Ex2 0x0x: Distance collection is wrong
276 276  
277 -(% style="color:blue" %)**Interript Count**
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.
278 278  
279 -If payload is:000007D0H: count = 07D0H =2000
280 280  
272 +**Example**:
281 281  
274 +If payload is: 01D7(H)=471(D), distance signal strength=471, 471>100,471≠65535, the measured value of Dist is considered credible.
282 282  
276 +Customers can judge whether they need to adjust the environment based on the signal strength.
283 283  
284 -==== (% style="color:red" %)**MOD=2** ====
285 285  
286 -Uninterrupted measurement. When the distance exceeds the limit, the output IO is set high and reports are reported every five minutes. The time can be set and powered by an external power supply.Uplink Payload totals 11bytes.
279 +**1) When the sensor detects valid data:**
287 287  
288 -(% border="1" cellspacing="4" style="width:510px;background-color:#f2f2f2" %)
289 -|(% style="width:70px;background-color:#4F81BD;color:white" %)**Size(bytes)**|(% style="width:40px;background-color:#4F81BD;color:white" %)**2**|(% style="width:130px;background-color:#4F81BD;color:white" %)**1**|(% style="width:130px;background-color:#4F81BD;color:white" %)**4**|(% style="width:70px;background-color:#4F81BD;color:white" %)**2**|(% style="width:70px;background-color:#4F81BD;color:white" %)**2**
290 -|(% style="width:91px" %)Value|(% style="width:41px" %)[[BAT>>||anchor="HBatteryInfo"]]|(% style="width:176px" %)MOD+Alarm+Do+Limit flag|(% style="width:74px" %)Distance Limit Alarm count|(% style="width:100px" %)Upper limit|(% style="width:119px" %)Lower limit
281 +[[image:image-20230805155335-1.png||height="145" width="724"]]
291 291  
292 292  
293 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image001.png]]
284 +**2) When the sensor detects invalid data:**
294 294  
295 -(% style="color:blue" %)**MOD & Alarm & Do & Limit flag:**
286 +[[image:image-20230805155428-2.png||height="139" width="726"]]
296 296  
297 -(% style="color:red" %)**MOD:**
298 298  
299 -**Example: ** (0x60>>6) & 0x3f =1
289 +**3) When the sensor is not connected:**
300 300  
301 -**0x01:**  Regularly detect distance and report.
302 -**0x02: ** Uninterrupted measurement (external power supply).
291 +[[image:image-20230805155515-3.png||height="143" width="725"]]
303 303  
304 -(% style="color:red" %)**Alarm:**
305 305  
306 -When the detection distance exceeds the limit, the alarm flag is set to 1.
294 +==== (% style="color:blue" %)**Interrupt Pin & Interrupt Level**(%%) ====
307 307  
308 -(% style="color:red" %)**Do:**
309 309  
310 -When the distance exceeds the set threshold, pull the Do pin high.
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.
311 311  
312 -(% style="color:red" %)**Limit flag:**
299 +Note: The Internet Pin is a separate pin in the screw terminal. See pin mapping of GPIO_EXTI .
313 313  
314 -Mode for setting threshold: 0~~5
301 +**Example:**
315 315  
316 -0: does not use upper and lower limits
303 +If byte[0]&0x01=0x00 : Normal uplink packet.
317 317  
318 -1: Use upper and lower limits
305 +If byte[0]&0x01=0x01 : Interrupt Uplink Packet.
319 319  
320 -2: is less than the lower limit value
321 321  
322 -3: is greater than the lower limit value
308 +==== (% style="color:blue" %)**LiDAR temp**(%%) ====
323 323  
324 -4: is less than the upper limit
325 325  
326 -5: is greater than the upper limit
311 +Characterize the internal temperature value of the sensor.
327 327  
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℃.
328 328  
329 -(% style="color:blue" %)**Upper limit:**
330 330  
331 -The upper limit of the threshold cannot exceed 2000mm.
318 +==== (% style="color:blue" %)**Message Type**(%%) ====
332 332  
333 -(% style="color:blue" %)**Lower limit:**
334 334  
335 -The lower limit of the threshold cannot be less than 3mm.
321 +(((
322 +For a normal uplink payload, the message type is always 0x01.
323 +)))
336 336  
325 +(((
326 +Valid Message Type:
327 +)))
337 337  
329 +(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:499px" %)
330 +|=(% style="width: 161px;background-color:#4F81BD;color:white" %)**Message Type Code**|=(% style="width: 164px;background-color:#4F81BD;color:white" %)**Description**|=(% style="width: 174px;background-color:#4F81BD;color:white" %)**Payload**
331 +|(% style="width:160px" %)0x01|(% style="width:163px" %)Normal Uplink|(% style="width:173px" %)Normal Uplink Payload
332 +|(% style="width:160px" %)0x02|(% style="width:163px" %)Reply configures info|(% style="width:173px" %)Configure Info Payload
333 +
334 +[[image:image-20230805150315-4.png||height="233" width="723"]]
335 +
336 +
338 338  === 2.3.3 Historical measuring distance, FPORT~=3 ===
339 339  
340 340  
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466 466  
467 467  After added, the sensor data arrive TTN V3, it will also arrive and show in Datacake.
468 468  
469 -[[image:1701152946067-561.png]]
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"]]
470 470  
471 471  
472 472  == 2.5 Frequency Plans ==
1701152946067-561.png
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