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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... ... @@ -155,8 +155,8 @@ 155 155 156 156 == 1.8 Pin Definitions == 157 157 158 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/WL03A-LB_LoRaWAN_None-Position_Rope_Type_Water_Leak_Controller_User_Manual/WebHome/image-20230613144156-1.png?rev=1.1||alt="image-20230613144156-1.png"]] 158 158 159 -[[image:image-20230805144259-1.png||height="413" width="741"]] 160 160 161 161 == 1.9 Mechanical == 162 162 ... ... @@ -238,6 +238,7 @@ 238 238 239 239 == 2.3 Uplink Payload == 240 240 241 + 241 241 === 2.3.1 Device Status, FPORT~=5 === 242 242 243 243 ... ... @@ -253,14 +253,12 @@ 253 253 254 254 Example parse in TTNv3 255 255 256 - [[image:image-20230805103904-1.png||height="131"width="711"]]257 +**Sensor Model**: For LDS12-LB, this value is 0x24 257 257 258 - (% style="color:blue"%)**Sensor Model**(%%):For LDS12-LB,this valueis0x24259 +**Firmware Version**: 0x0100, Means: v1.0.0 version 259 259 260 - (% style="color:blue" %)**FirmwareVersion**(%%):0x0100, Means:v1.0.0 version261 +**Frequency Band**: 261 261 262 -(% style="color:blue" %)**Frequency Band**: 263 - 264 264 0x01: EU868 265 265 266 266 0x02: US915 ... ... @@ -289,7 +289,7 @@ 289 289 290 290 0x0e: MA869 291 291 292 - (% style="color:blue" %)**Sub-Band**:291 +**Sub-Band**: 293 293 294 294 AU915 and US915:value 0x00 ~~ 0x08 295 295 ... ... @@ -297,7 +297,7 @@ 297 297 298 298 Other Bands: Always 0x00 299 299 300 - (% style="color:blue" %)**Battery Info**:299 +**Battery Info**: 301 301 302 302 Check the battery voltage. 303 303 ... ... @@ -310,11 +310,11 @@ 310 310 311 311 312 312 ((( 313 -LDS12-LB will send this uplink **after** Device Status once join the LoRaWAN network successfully. And LDS12-LB will: 312 +LDS12-LB will uplink payload via LoRaWAN with below payload format: 313 +))) 314 314 315 -periodically send this uplink every 20 minutes, this interval [[can be changed>>http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDS12-LB_LoRaWAN_LiDAR_ToF_Distance_Sensor_User_Manual/#H3.3.1SetTransmitIntervalTime]]. 316 - 317 -Uplink Payload totals 11 bytes. 315 +((( 316 +Uplink payload includes in total 11 bytes. 318 318 ))) 319 319 320 320 (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %) ... ... @@ -329,10 +329,10 @@ 329 329 [[Message Type>>||anchor="HMessageType"]] 330 330 ))) 331 331 332 -[[image:i mage-20230805104104-2.png||height="136" width="754"]]331 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LLDS12-LoRaWAN%20LiDAR%20ToF%20Distance%20Sensor%20User%20Manual/WebHome/1654833689380-972.png?rev=1.1||alt="1654833689380-972.png"]] 333 333 334 334 335 -==== (%%)====334 +====(% style="color:blue" %)**Battery Info** ==== 336 336 337 337 338 338 Check the battery voltage for LDS12-LB. ... ... @@ -342,7 +342,7 @@ 342 342 Ex2: 0x0B49 = 2889mV 343 343 344 344 345 -==== (%%)====344 +====(% style="color:blue" %)**DS18B20 Temperature sensor** ==== 346 346 347 347 348 348 This is optional, user can connect external DS18B20 sensor to the +3.3v, 1-wire and GND pin . and this field will report temperature. ... ... @@ -355,7 +355,7 @@ 355 355 If payload is: FF3FH : (FF3F & FC00 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees. 356 356 357 357 358 -==== (%%)====357 +====(% style="color:blue" %)**Distance** ==== 359 359 360 360 361 361 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. ... ... @@ -366,7 +366,7 @@ 366 366 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. 367 367 368 368 369 -==== (%%)====368 +====(% style="color:blue" %)**Distance signal strength** ==== 370 370 371 371 372 372 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. ... ... @@ -379,36 +379,21 @@ 379 379 Customers can judge whether they need to adjust the environment based on the signal strength. 380 380 381 381 382 - **1)Whenthesensordetectsvalid data:**381 +====(% style="color:blue" %)**Interrupt Pin & Interrupt Level** ==== 383 383 384 -[[image:image-20230805155335-1.png||height="145" width="724"]] 385 385 386 - 387 -**2) When the sensor detects invalid data:** 388 - 389 -[[image:image-20230805155428-2.png||height="139" width="726"]] 390 - 391 - 392 -**3) When the sensor is not connected:** 393 - 394 -[[image:image-20230805155515-3.png||height="143" width="725"]] 395 - 396 - 397 -==== (% style="color:blue" %)**Interrupt Pin & Interrupt Level**(%%) ==== 398 - 399 - 400 400 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. 401 401 402 -Note: The Internet Pin is a separate pin in the screw terminal. See GPIO_EXTI of[[pin mapping>>||anchor="H1.8PinDefinitions"]].386 +Note: The Internet Pin is a separate pin in the screw terminal. See [[pin mapping>>||anchor="H1.8PinDefinitions"]]. 403 403 404 404 **Example:** 405 405 406 - If byte[0]&0x01=0x00: Normal uplink packet.390 +0x00: Normal uplink packet. 407 407 408 - If byte[0]&0x01=0x01: Interrupt Uplink Packet.392 +0x01: Interrupt Uplink Packet. 409 409 410 410 411 -==== (%%)====395 +====(% style="color:blue" %)**LiDAR temp** ==== 412 412 413 413 414 414 Characterize the internal temperature value of the sensor. ... ... @@ -418,7 +418,7 @@ 418 418 If payload is: F2(H) <<24>>24=-14(D),LiDAR temp=-14℃. 419 419 420 420 421 -==== (%%)====405 +====(% style="color:blue" %)**Message Type** ==== 422 422 423 423 424 424 ((( ... ... @@ -434,93 +434,11 @@ 434 434 |(% style="width:160px" %)0x01|(% style="width:163px" %)Normal Uplink|(% style="width:173px" %)[[Normal Uplink Payload>>||anchor="H2.3200BUplinkPayload"]] 435 435 |(% style="width:160px" %)0x02|(% style="width:163px" %)Reply configures info|(% style="width:173px" %)[[Configure Info Payload>>||anchor="H3.ConfigureLDS12-LB"]] 436 436 437 -[[image:image-20230805150315-4.png||height="233" width="723"]] 438 438 439 439 440 -=== 2.3.3 Historicalmeasuringdistance,FPORT~=3===423 +=== 2.3.3 Decode payload in The Things Network === 441 441 442 -LDS12-LB stores sensor values and users can retrieve these history values via the [[downlink command>>http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDS12-LB_LoRaWAN_LiDAR_ToF_Distance_Sensor_User_Manual/#H2.5.4Pollsensorvalue]]. 443 443 444 -The historical payload includes one or multiplies entries and every entry has the same payload as Real-Time water flow status. 445 - 446 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %) 447 -|=(% style="width: 60px;background-color:#4F81BD;color:white" %)((( 448 -**Size(bytes)** 449 -)))|=(% style="width: 30px;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: rgb(79, 129, 189); color: white; width: 88px;" %)**1**|=(% style="background-color: rgb(79, 129, 189); color: white; width: 85px;" %)4 450 -|(% style="width:62.5px" %)Value|(% style="width:62.5px" %)Interrupt flag & Interrupt_level|(% style="width:62.5px" %)((( 451 -Reserve(0xFF) 452 -)))|Distance|Distance signal strength|(% style="width:88px" %)((( 453 -LiDAR temp 454 -)))|(% style="width:85px" %)Unix TimeStamp 455 - 456 -**Interrupt flag & Interrupt level:** 457 - 458 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:501px" %) 459 -|=(% style="width: 60px;background-color:#4F81BD;color:white" %)((( 460 -**Size(bit)** 461 -)))|=(% style="width: 30px;background-color:#4F81BD;color:white" %)**bit7**|=(% style="width: 80px;background-color:#4F81BD;color:white" %)**bit6**|=(% style="width: 50px;background-color:#4F81BD;color:white" %)**[bit5:bit2]**|=(% style="width: 91px; background-color: rgb(79, 129, 189); color: white;" %)**bit1**|=(% style="background-color: rgb(79, 129, 189); color: white; width: 88px;" %)**bit0** 462 -|(% 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" %)((( 463 -Interrupt flag 464 -))) 465 - 466 -* ((( 467 -Each data entry is 11 bytes and has the same structure as [[Uplink Payload>>http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDS12-LB_LoRaWAN_LiDAR_ToF_Distance_Sensor_User_Manual/#H2.3.2UplinkPayload2CFPORT3D2]], to save airtime and battery, LDS12-LB will send max bytes according to the current DR and Frequency bands. 468 -))) 469 - 470 -For example, in the US915 band, the max payload for different DR is: 471 - 472 -**a) DR0:** max is 11 bytes so one entry of data 473 - 474 -**b) DR1:** max is 53 bytes so devices will upload 4 entries of data (total 44 bytes) 475 - 476 -**c) DR2:** total payload includes 11 entries of data 477 - 478 -**d) DR3:** total payload includes 22 entries of data. 479 - 480 -If LDS12-LB doesn't have any data in the polling time. It will uplink 11 bytes of 0 481 - 482 - 483 -**Downlink:** 484 - 485 -0x31 64 CC 68 0C 64 CC 69 74 05 486 - 487 -[[image:image-20230805144936-2.png||height="113" width="746"]] 488 - 489 -**Uplink:** 490 - 491 -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 492 - 493 - 494 -**Parsed Value:** 495 - 496 -[DISTANCE , DISTANCE_SIGNAL_STRENGTH,LIDAR_TEMP,EXTI_STATUS , EXTI_FLAG , TIME] 497 - 498 - 499 -[360,176,30,High,True,2023-08-04 02:53:00], 500 - 501 -[355,168,30,Low,False,2023-08-04 02:53:29], 502 - 503 -[245,211,30,Low,False,2023-08-04 02:54:29], 504 - 505 -[57,700,30,Low,False,2023-08-04 02:55:29], 506 - 507 -[361,164,30,Low,True,2023-08-04 02:56:00], 508 - 509 -[337,184,30,Low,False,2023-08-04 02:56:40], 510 - 511 -[20,4458,30,Low,False,2023-08-04 02:57:40], 512 - 513 -[362,173,30,Low,False,2023-08-04 02:58:53], 514 - 515 - 516 -History read from serial port: 517 - 518 -[[image:image-20230805145056-3.png]] 519 - 520 - 521 -=== 2.3.4 Decode payload in The Things Network === 522 - 523 - 524 524 While using TTN network, you can add the payload format to decode the payload. 525 525 526 526 [[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"]] ... ... @@ -535,9 +535,15 @@ 535 535 ))) 536 536 537 537 538 -== 2.4 Show DatainDataCakeIoT Server==440 +== 2.4 Uplink Interval == 539 539 540 540 443 +The LDS12-LB by default uplink the sensor data every 20 minutes. User can change this interval by AT Command or LoRaWAN Downlink Command. See this link: [[Change Uplink Interval>>||anchor="H3.3.1SetTransmitIntervalTime"]] 444 + 445 + 446 +== 2.5 Show Data in DataCake IoT Server == 447 + 448 + 541 541 ((( 542 542 [[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: 543 543 ))) ... ... @@ -570,13 +570,13 @@ 570 570 [[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"]] 571 571 572 572 573 -== 2. 5Datalog Feature ==481 +== 2.6 Datalog Feature == 574 574 575 575 576 576 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. 577 577 578 578 579 -=== 2. 5.1 Ways to get datalog via LoRaWAN ===487 +=== 2.6.1 Ways to get datalog via LoRaWAN === 580 580 581 581 582 582 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. ... ... @@ -593,7 +593,7 @@ 593 593 [[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"]] 594 594 595 595 596 -=== 2. 5.2 Unix TimeStamp ===504 +=== 2.6.2 Unix TimeStamp === 597 597 598 598 599 599 LDS12-LB uses Unix TimeStamp format based on ... ... @@ -610,7 +610,7 @@ 610 610 So, we can use AT+TIMESTAMP=1611889405 or downlink 3060137afd00 to set the current time 2021 – Jan ~-~- 29 Friday 03:03:25 611 611 612 612 613 -=== 2. 5.3 Set Device Time ===521 +=== 2.6.3 Set Device Time === 614 614 615 615 616 616 User need to set (% style="color:blue" %)**SYNCMOD=1**(%%) to enable sync time via MAC command. ... ... @@ -620,13 +620,13 @@ 620 620 (% 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.** 621 621 622 622 623 -=== 2. 5.4 Poll sensor value ===531 +=== 2.6.4 Poll sensor value === 624 624 625 625 626 626 Users can poll sensor values based on timestamps. Below is the downlink command. 627 627 628 628 (% border="1" cellspacing="5" style="background-color:#f2f2f2; width:425.818px" %) 629 -|(% colspan="4" style="background-color:#4 f81bd;537 +|(% colspan="4" style="background-color:#4F81BD;color:white; width:423px" %)**Downlink Command to poll Open/Close status (0x31)** 630 630 |(% style="width:58px" %)**1byte**|(% style="width:127px" %)**4bytes**|(% style="width:124px" %)**4bytes**|(% style="width:114px" %)**1byte** 631 631 |(% style="width:58px" %)31|(% style="width:127px" %)Timestamp start|(% style="width:124px" %)Timestamp end|(% style="width:114px" %)Uplink Interval 632 632 ... ... @@ -647,7 +647,7 @@ 647 647 ))) 648 648 649 649 650 -== 2. 6Frequency Plans ==558 +== 2.7 Frequency Plans == 651 651 652 652 653 653 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. ... ... @@ -655,9 +655,9 @@ 655 655 [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20Frequency%20Band/>>http://wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20Frequency%20Band/]] 656 656 657 657 658 -== 2. 7LiDAR ToF Measurement ==566 +== 2.8 LiDAR ToF Measurement == 659 659 660 -=== 2. 7.1 Principle of Distance Measurement ===568 +=== 2.8.1 Principle of Distance Measurement === 661 661 662 662 663 663 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. ... ... @@ -665,7 +665,7 @@ 665 665 [[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"]] 666 666 667 667 668 -=== 2. 7.2 Distance Measurement Characteristics ===576 +=== 2.8.2 Distance Measurement Characteristics === 669 669 670 670 671 671 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: ... ... @@ -703,7 +703,7 @@ 703 703 ))) 704 704 705 705 706 -=== 2. 7.3 Notice of usage ===614 +=== 2.8.3 Notice of usage === 707 707 708 708 709 709 Possible invalid /wrong reading for LiDAR ToF tech: ... ... @@ -713,7 +713,7 @@ 713 713 * The LiDAR probe is cover by dirty things; the reading might be wrong. In this case, need to clean the probe. 714 714 * The sensor window is made by Acrylic. Don't touch it with alcohol material. This will destroy the sensor window. 715 715 716 -=== 2. 7.4 Reflectivity of different objects ===624 +=== 2.8.4 Reflectivity of different objects === 717 717 718 718 719 719 (% border="1" cellspacing="5" style="background-color:#f2f2f2; width:379px" %) ... ... @@ -853,7 +853,7 @@ 853 853 854 854 === 3.3.3 Set Power Output Duration === 855 855 856 -Control the output duration 3V3 (pinof VBAT_OUT). Before each sampling, device will764 +Control the output duration 3V3 . Before each sampling, device will 857 857 858 858 ~1. first enable the power output to external sensor, 859 859 ... ... @@ -869,7 +869,6 @@ 869 869 OK 870 870 |(% style="width:154px" %)AT+3V3T=1000|(% style="width:196px" %)Close after a delay of 1000 milliseconds.|(% style="width:157px" %)OK 871 871 |(% style="width:154px" %)AT+3V3T=0|(% style="width:196px" %)Always turn on the power supply of 3V3 pin.|(% style="width:157px" %)OK 872 -|(% style="width:154px" %)AT+3V3T=65535|(% style="width:196px" %)Always turn off the power supply of 3V3 pin.|(% style="width:157px" %)OK 873 873 874 874 (% style="color:blue" %)**Downlink Command: 0x07**(%%) 875 875 Format: Command Code (0x07) followed by 3 bytes. ... ... @@ -878,7 +878,6 @@ 878 878 879 879 * Example 1: Downlink Payload: 07 01 00 00 **~-~-->** AT+3V3T=0 880 880 * Example 2: Downlink Payload: 07 01 01 F4 **~-~-->** AT+3V3T=500 881 -* Example 3: Downlink Payload: 07 01 FF FF **~-~-->** AT+3V3T=65535 882 882 883 883 = 4. Battery & Power Consumption = 884 884
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