Changes for page DS20L -- LoRaWAN Smart Distance Detector User Manual 01
Last modified by Mengting Qiu on 2023/12/14 11:15
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... ... @@ -206,117 +206,134 @@ 206 206 === 2.3.2 Uplink Payload, FPORT~=2 === 207 207 208 208 209 -==== (% style="color:red" %)**MOD~=1**(%%) ==== 209 +((( 210 +DS20L will send this uplink **after** Device Status once join the LoRaWAN network successfully. And DS20L will: 210 210 211 - Regularlydetect distanceandreport. When the distanceexceedsthelimit, the alarm flagisset to 1, andtheeportcan betriggered by externalinterrupts.212 +periodically send this uplink every 20 minutes, this interval [[can be changed>>||anchor="H3.3.1SetTransmitIntervalTime"]]. 212 212 213 -Uplink Payload totals 10 bytes. 214 +Uplink Payload totals 11 bytes. 215 +))) 214 214 215 215 (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %) 216 -|(% 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** 217 -|(% 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 +))) 218 218 219 -[[image:1 701155076393-719.png]]229 +[[image:image-20230805104104-2.png||height="136" width="754"]] 220 220 221 -(% style="color:blue" %)**Battery Info:** 222 222 223 - CheckthevoltageforDS20L232 +==== (% style="color:blue" %)**Battery Info**(%%) ==== 224 224 225 -Ex1: 0x0E10 = 3600mV 226 226 235 +Check the battery voltage for DS20L. 227 227 228 - (% style="color:blue"%)**MOD&Alarm& Interrupt:**237 +Ex1: 0x0B45 = 2885mV 229 229 230 - (%style="color:red"%)**MOD:**239 +Ex2: 0x0B49 = 2889mV 231 231 232 -**Example: ** (0x60>>6) & 0x3f =1 233 233 234 -**0x01:** Regularly detect distance and report. 235 -**0x02: ** Uninterrupted measurement (external power supply). 242 +==== (% style="color:blue" %)**DS18B20 Temperature sensor**(%%) ==== 236 236 237 -(% style="color:red" %)**Alarm:** 238 238 239 - Whenthedetectiondistance exceeds thelimit,the alarmflagisset 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. 240 240 241 -(% style="color:red" %)**Interrupt:** 242 242 243 - Whether it is an externalinterrupt.248 +**Example**: 244 244 250 +If payload is: 0105H: (0105 & FC00 == 0), temp = 0105H /10 = 26.1 degree 245 245 246 - (%style="color:blue"%)**Distanceinfo:**252 +If payload is: FF3FH : (FF3F & FC00 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees. 247 247 254 + 255 +==== (% style="color:blue" %)**Distance**(%%) ==== 256 + 257 + 258 +Represents the distance value of the measurement output, the default unit is cm, and the value range parsed as a decimal number is 0-1200. In actual use, when the signal strength value Strength. 259 + 260 + 248 248 **Example**: 249 249 250 -If payloadis:0708H:distance=0708H =1800 mm263 +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. 251 251 252 252 253 -(% style="color:blue" %)** SensorState:**266 +==== (% style="color:blue" %)**Distance signal strength**(%%) ==== 254 254 255 -Ex1: 0x00: Normal collection distance 256 256 257 - Ex20x0x:Distance collection iswrong269 +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. 258 258 259 259 260 - (% style="color:blue" %)**Interript Count:**272 +**Example**: 261 261 262 -If payload is:0 00007D0H:count= 07D0H=2000274 +If payload is: 01D7(H)=471(D), distance signal strength=471, 471>100,471≠65535, the measured value of Dist is considered credible. 263 263 276 +Customers can judge whether they need to adjust the environment based on the signal strength. 264 264 265 265 266 - ====(%style="color:red"%)**MOD~=2**(%%)** ** ====279 +**1) When the sensor detects valid data:** 267 267 268 - Uninterruptedmeasurement.Whenthedistance exceeds the limit, the output IO is set highand reportsare reported every five minutes. The time can be set and powered by an external power supply.Uplink Payloadotals 11bytes.281 +[[image:image-20230805155335-1.png||height="145" width="724"]] 269 269 270 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %) 271 -|(% 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** 272 -|(% style="width:91px" %)Value|(% style="width:41px" %)BAT|(% 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 273 273 274 - [[image:1701155150328-206.png]]284 +**2) When the sensor detects invalid data:** 275 275 276 - (% style="color:blue" %)**MOD & Alarm & Do & Limitflag:**286 +[[image:image-20230805155428-2.png||height="139" width="726"]] 277 277 278 -(% style="color:red" %)**MOD:** 279 279 280 -** Example:**(0x60>>6)&0x3f=1289 +**3) When the sensor is not connected:** 281 281 282 -**0x01:** Regularly detect distance and report. 283 -**0x02: ** Uninterrupted measurement (external power supply). 291 +[[image:image-20230805155515-3.png||height="143" width="725"]] 284 284 285 -(% style="color:red" %)**Alarm:** 286 286 287 - Whenthedetection distanceexceedsthelimit,thealarmflagis set to 1.294 +==== (% style="color:blue" %)**Interrupt Pin & Interrupt Level**(%%) ==== 288 288 289 -(% style="color:red" %)**Do:** 290 290 291 - Whenthedistance exceedstheset threshold,pulltheDopinhigh.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. 292 292 293 - (%style="color:red"%)**Limitflag:**299 +Note: The Internet Pin is a separate pin in the screw terminal. See pin mapping of GPIO_EXTI . 294 294 295 - Mode for setting threshold:0~~5301 +**Example:** 296 296 297 - 0:does notuseupperand lower limits303 +If byte[0]&0x01=0x00 : Normal uplink packet. 298 298 299 - 1:Useupperand lower limits305 +If byte[0]&0x01=0x01 : Interrupt Uplink Packet. 300 300 301 -2: is less than the lower limit value 302 302 303 - 3:isgreater than thelowermitvalue308 +==== (% style="color:blue" %)**LiDAR temp**(%%) ==== 304 304 305 -4: is less than the upper limit 306 306 307 - 5: is greater thantheupper limit311 +Characterize the internal temperature value of the sensor. 308 308 313 +**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℃. 309 309 310 -(% style="color:blue" %)**Upper limit:** 311 311 312 - Theupperlimitf thethreshold cannotexceed2000mm.318 +==== (% style="color:blue" %)**Message Type**(%%) ==== 313 313 314 314 315 -(% style="color:blue" %)**Lower limit:** 321 +((( 322 +For a normal uplink payload, the message type is always 0x01. 323 +))) 316 316 317 -The lower limit of the threshold cannot be less than 3mm. 325 +((( 326 +Valid Message Type: 327 +))) 318 318 329 +(% 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 319 319 334 +[[image:image-20230805150315-4.png||height="233" width="723"]] 335 + 336 + 320 320 === 2.3.3 Historical measuring distance, FPORT~=3 === 321 321 322 322 ... ... @@ -448,7 +448,7 @@ 448 448 449 449 After added, the sensor data arrive TTN V3, it will also arrive and show in Datacake. 450 450 451 -[[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"]] 452 452 453 453 454 454 == 2.5 Frequency Plans == ... ... @@ -572,6 +572,7 @@ 572 572 573 573 * Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger 574 574 592 + 575 575 == 3.3.3 Set work mode == 576 576 577 577 ... ... @@ -611,6 +611,7 @@ 611 611 |(% style="width:172px" %)AT+ DOL =1,1800,100,0,400|(% style="width:279px" %)Set only the upper and lower thresholds|(% style="width:118px" %)OK 612 612 613 613 632 + 614 614 (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %) 615 615 |(% 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 616 616 |(% style="width:251px" %)1: Use upper and lower limits ... ... @@ -637,6 +637,7 @@ 637 637 * Example 1: Downlink Payload: 070107080064000190 **~-~-->** AT+MOD=1,1800,100,0,400 638 638 639 639 659 + 640 640 = 4. Battery & Power Consumption = 641 641 642 642 ... ... @@ -673,33 +673,6 @@ 673 673 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"]] 674 674 675 675 676 -== 6.2 DS20L programming line == 677 - 678 - 679 -缺图 后续补上 680 - 681 -feature: 682 - 683 -for AT commands 684 - 685 -Update the firmware of DS20L 686 - 687 -Support interrupt mode 688 - 689 - 690 -== 6.3 LiDAR probe position == 691 - 692 - 693 -[[image:1701155390576-216.png||height="285" width="307"]] 694 - 695 -The black oval hole in the picture is the LiDAR probe. 696 - 697 - 698 -== 6.4 Interface definition == 699 - 700 -[[image:image-20231128151132-2.png||height="305" width="557"]] 701 - 702 - 703 703 = 7. Trouble Shooting = 704 704 705 705 == 7.1 AT Command input doesn't work ==
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