Last modified by BoYang Xie on 2025/05/05 12:26
<
From version < 165.2 >
edited by BoYang Xie
on 2025/02/08 14:35
To version < 131.1 >
edited by Dilisi S
on 2024/12/24 21:45
>
Change comment: Dec 24 edits - part 2

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1 -XWiki.xieby
1 +XWiki.pradeeka
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3 3  (% style="text-align:center" %)
4 -[[image:image-20241226135550-1.png]]
2 +[[image:image-20240915231842-1.png]]
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9 9  (% _mstvisible="1" %)
10 10  (% _msthash="315238" _msttexthash="18964465" _mstvisible="3" %)**Table of Contents:**
11 11  
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141 141  
142 142  Download and install the latest version of [[SquareLine Studio>>https://squareline.io/downloads#lastRelease]] on your computer. It supports Windows, Linux, and Mac OS. The software version we are using here is 1.5.0. See the image below.
143 143  
144 -[[image:squareline.io_downloads.png||height="888" width="1294"]]
145 +[[image:squareline.io_downloads.png]]
145 145  
146 146  
147 147  After installation, you can use SquareLine Studio with a **PERSONAL license plan**. Click **LOG IN** and create a free account using your email address. Then activate your PERSONAL license plan for free. You don’t need to provide any credit card information. However, the PERSONAL license plan has the following limitations:
... ... @@ -160,9 +160,11 @@
160 160  * In the **PROJECT SETTINGS**, select **LVGL version **as **8.3.11** and **Resolution** as **800** x **480**.
161 161  * Select the **CREATE **button to create the new project with the selected settings.
162 162  
163 -[[image:squareline-studio-launcher-screen.png||height="752" width="1415"]]
164 164  
165 +[[image:squareline-studio-launcher-screen.png]]
165 165  
167 +
168 +
166 166  Next, you need to configure some additional settings for this project. To do so, select** File  -> Project Settings** as shown in the image below.
167 167  
168 168  [[image:1727229582471-566.png]]
... ... @@ -266,7 +266,7 @@
266 266  Widgets commonly have two types of relationships: **parallel** and **parent-child**.
267 267  
268 268  * In a **parallel relationship**, widgets' positions are determined relative to a shared reference object.
269 -* In a **parent-child relationship**, any part of the child object outside the parent's boundaries is hidden by default. To make the child object fully visible, you must adjust its position to fit within the parent's range.
272 +* In a **parent-child relationship**, any part of the child object outside the parent's boundaries is hidden by default. To make the child object fully visible, you must adjust its position to fit within the parent's range, as shown in Image 13.
270 270  
271 271  [[image:1727486567182-334.png||height="318" width="278"]]
272 272  
... ... @@ -284,11 +284,13 @@
284 284  ==== **Preview the screen** ====
285 285  
286 286  
287 -You can test the result by clicking on the **PLAY** button as shown in the image below. The screen will change into play mode.
290 +You can test the result by clicking on the **PLAY** button. The screen will change into play mode. See Image 14.
288 288  
289 289  [[image:1727487368023-281.png]]
290 290  
294 + Image 14: Simulating the project
291 291  
296 +
292 292  For more information, please visit the official link: [[SquareLine Studio 1.4.2 Documentation ~| SquareLine Studio>>url:https://docs.squareline.io/docs/squareline/]].
293 293  
294 294  
... ... @@ -295,62 +295,57 @@
295 295  == 2.4 Integrate UI Code to ESP-IDF Project ==
296 296  
297 297  
298 -To integrate, first export the UI code, then make some modifications, and finally relocate the UI code to a specific position within the project.
303 +To achieve the integrating, we first need to export the UI code, then make some modifications, and finally relocate the UI code to a specific position within the project.
299 299  
300 -On the  menubar, click **Export -> Export UI** Files as shown in the image below.
301 -
302 302  [[image:1727229798126-306.png]]
303 303  
307 + image 15 export UI file
304 304  
305 -The exported UI files can be found in your SquareLine project folder as shown in the image below.
306 -
307 -
308 308  [[image:1727229821582-258.png||height="333" width="662"]]
309 309  
311 + image 16 exported UI file
310 310  
311 -Create a new folder named "**ui**" at path "**basic_prj/app_components/ui/**", and copy all the exported UI code into it as shown in the image below.
313 +Create a empty directory entitled "ui" in path "basic_prj/app_components/ui/", and then copy all UI code exported to this directory.
312 312  
313 313  [[image:image-20240928144830-11.png]]
314 314  
317 + image 17 open CMakeLists.txt
315 315  
316 -Open the **CMakeLists.txt** file and edit it as ahown below.
317 -
318 318  [[image:1727229892636-154.png||height="521" width="407"]]
319 319  
321 + image 18 modify CMakeLists.txt
320 320  
321 -Open the main.c file and  add two lines of code as shown in the below images.
323 +The last step of integrating is adding two lines of code in main.c file.
322 322  
323 -Add **#include "ui.h"**
324 -
325 325  [[image:1727229926561-300.png]]
326 326  
327 + image 19 add "ui.h"
327 327  
328 -Add **ui_init();**
329 -
330 330  [[image:1727229955611-607.png]]
331 331  
331 + image 20 add "ui_init()"
332 332  
333 -== 2.5 Brief introduction to the Hello World project ==
334 334  
334 +== 2.5 Brief introduction of hello world project ==
335 335  
336 -The project consists of two screens. The first screen displays the company's logo, the project name, and a button to navigate to the next screen. The second screen provides information about the HMI screen product through an image and includes a button to return to the previous screen.
337 337  
337 +The project consists of two screens. The first screen displays the company's logo, the project name, and a button to navigate to the next screen. The second screen presents some information about this HMI screen product through an image and includes a button to return to the previous screen.
338 338  
339 +
339 339  == 2.6 Test Result ==
340 340  
341 341  
342 -By pressing the button located at the bottom right, the screen switches to the next one as expected. This confirms that the UI file has been successfully integrated into the project and is functioning correctly.
343 +By pressing the button lying bottom right, the screen can switch to another as expected. This indicates that the UI file has been successfully integrated into the project and is now effective.
343 343  
344 -Screen 1:
345 -
346 346  [[image:1727488067077-684.png||height="402" width="574"]]
347 347  
347 + image 21 screen1
348 348  
349 -Screen 2:
350 -
351 351  [[image:1727488157579-949.png||height="397" width="572"]]
352 352  
351 + image 22 screen2
353 353  
353 +
354 354  = 3. Example Project 1: LoRa Central Display =
355 355  
356 356  [[image:image-20240916101737-1.png||height="468" width="683"]]
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358 358  
359 359  = 4. Example Project 2: LoRaWAN RS485 Alarm =
360 360  
361 -= 5. Example Project 3: P2P =
361 += 5. The way to add a new panel to project =
362 362  
363 -The project achieves the function of receiving LoRa P2P messages and displaying them on the screen. The workflow is as follows: A LA66, running a P2P program, sends a message in a particular format via an AT command. Then, the LTS5 receives the message and displays it on the screen.
364 364  
365 -The project can be found at [[this link>>url:https://github.com/dragino/LoRa-HMI-Touch-Screen/tree/main/Example/P2P]].
364 +**~1. Design a panel in SquareLine Studio, using image 5.1 below as a reference.**
366 366  
367 -== 5.1 firmware flashing approach. ==
368 -
369 -5.1.1 Download this project
370 -
371 -5.1.2 Download esp32 firmware flash tool in [[this link>>https://docs.espressif.com/projects/esp-test-tools/en/latest/esp32/production_stage/tools/flash_download_tool.html]].
372 -
373 -5.1.3 Download la66 firmware flash tool in [[this link>>https://www.dropbox.com/scl/fo/9kqeqf6wmet10o9hgxuwa/h?rlkey=4ikrg6kg5v0yjxwhp0i37wrv7&e=1&dl=0]].
374 -
375 -5.1.4 Upload firmware to esp32
376 -
377 -Open flash_download_tool.exe, and then follow the steps below.
378 -
379 -[[image:1738893226894-758.png||height="170" width="176"]]
380 -
381 -[[image:image-20250207100150-7.png||height="476" width="538"]]
382 -
383 -5.1.5 Upload firmware to la66
384 -
385 -Open Dragino_Sensor_Manager_Utility.exe, and then follow the steps below.
386 -
387 -[[image:image-20250207101415-8.png||height="522" width="618"]]
388 -
389 -[[image:image-20250207101515-9.png||height="522" width="618"]]
390 -
391 -== 5.2 AT command and P2P data format ==
392 -
393 -AT+SEND=1,014b69746368656e2d467269676531FFFFA84041000181D4A8**01**A4CBBB0A8E085C02,0,3
394 -
395 -AT+SEND=1,014b69746368656e2d467269676531FFFFA84041000181D4A8**02**A4CB00,0,3
396 -
397 -AT+SEND=1,014b69746368656e2d467269676531FFFFA84041000181D4A8**03**A4CB00,0,3
398 -
399 -AT+SEND=1,014b69746368656e2d467269676531FFFFA84041000181D4A8**04**A4CB00,0,3
400 -
401 -AT+SEND=1,014b69746368656e2d467269676531FFFFA84041000181D4A8**05**A4CB00,0,3
402 -
403 -AT+SEND=1,014b69746368656e2d467269676531FFFFA84041000181D4A8**06**A4CB00,0,3
404 -
405 -**Data format**:
406 -
407 -~1. AT+SEND=1,**01** **4b69746368656e2d467269676531FFFF A84041000181D4A8 01  A4CB  BB0A  8E08  5C02**,0,3
408 -
409 -**01:** encrypt. 1 Byte. 01 ~-~-> no encryption. This 1-byte information is now invalid; simply write 0x01 instead.
410 -
411 -**4b69746368656e2d467269676531FFFF: **Device Name. 16 Bytes. The Device Name for this piece of information is "Kitchen-Frige1," and the subsequent "FFFF" is intended to pad it up to 16 Bytes. The Device Name for this piece of information is 'Kitchen-Frige1,' and the subsequent 'FFFF' is intended to pad it up to 16 Bytes, but it is not necessary as the system can handle shorter names as well.
412 -
413 -**A84041000181D4A8:** Device EUI. 8 Bytes. The last three Bytes will be extracted by the ESP32-S3 and displayed on the screen.
414 -
415 -**01: **Panel Type. 1 Byte. 0x01~-~->Tem & Hum,
416 -
417 - 0x02~-~->Door,
418 -
419 - 0x03~-~->Water Leak,
420 -
421 - 0x04~-~->Occupied,
422 -
423 - 0x05~-~->Button,
424 -
425 - 0x06~-~->Alarm,
426 -
427 -**A4CB: **Battery level//. //2 Bytes. Battery Voltage =0xCBA4&0x3FFF=0x0BA4=2980mV
428 -
429 -**BB0A: **The temperature of the built-in sensor in LHT65N.// //2 Bytes. Temperature:  0x0ABB/100=27.47℃
430 -
431 -**8E08: **The temperature of the External temperature sensor.// //2 Bytes. Temperature:  0x088E/100=21.90℃
432 -
433 -**5C02：**The humidity of the built-in sensor in LHT65N. 2 Bytes. Humidity: 0x025C/10=60.4%
434 -
435 -2. AT+SEND=1,**01**  **4b69746368656e2d467269676531FFFF**  **A84041000181D4A8**  **02  A4CB  00**,0,3
436 -
437 -Specific sections of the data share the same function.
438 -
439 -**00: Status. **1 Byte//. //If Panel Type is 0x02, **Status: 00~-~->Open; 01~-~->Close.**
440 -
441 - If Panel Type is 0x03, **Status: 00~-~->Normal; 01~-~->Water Leaking.**
442 -
443 - If Panel Type is 0x04, **Status: 00~-~->Free; 01~-~->Occupied.**
444 -
445 - If Panel Type is 0x05, **Status: 00~-~->OFF; 01~-~->ON.**
446 -
447 - If Panel Type is 0x06, **Status: 00~-~->OFF; 01~-~->Alarm.**
448 -
449 -== 5.3 Usage ==
450 -
451 -After burning the firmware into LTS5, you can use an LA66 equipped with peer-to-peer firmware to send data to LTS5 via AT commands.
452 -
453 -5.3.1 Connect LA66 to the computer, open Serial Port Utility, and send the AT+CFG instruction to check whether the LA66 has downloaded correct program.
454 -
455 -[[image:image-20250207143131-11.png||height="527" width="547"]]
456 -
457 -5.3.2 Copy an AT instruction example, click "Send" button, then the led in LA66 will flash and the LTS5 will display the LoRa information.
458 -
459 -[[image:image-20250207144605-12.png||height="634" width="548"]]
460 -
461 -= 6. Example Project 4: LoRaWAN_CLASS_C =
462 -
463 -
464 -The project achieves the function of receiving LoRaWAN Class C messages and displaying them on the screen. Note: The Things Network (TTN) needs to enable Class C support, and the LA66 within the LTS5 needs to operate in Class C mode.
465 -
466 -The downlink workflow proceeds as follows: The Things Network (TTN) sends a message in a specific format via downlink. Then, a LoRaWAN gateway relays this message to the LTS5. Finally, the LTS5 receives the message and displays it on its screen.
467 -
468 -The uplink workflow is as follows: The LA66 within the LTS5 sends a LoRaWAN message, for some reason, to a LoRaWAN gateway, which then forwards it to The Things Network (TTN).
469 -
470 -The project can be found at [[this link>>https://github.com/dragino/LoRa-HMI-Touch-Screen/tree/main/Example/LoRaWAN_CLASS_C]].
471 -
472 -== 6.1 firmware flashing approach ==
473 -
474 -The firmware flashing approach is the same as described in section [[5.1>>5.1]].
475 -
476 -== 6.2 flowchart ==
477 -
478 -[[image:image-20250207164320-13.png||height="696" width="1344"]]
479 -
480 -== 6.3 Usage ==
481 -
482 -This section now describes a process about TTN downlink panel data to display on LTS5 screen.
483 -
484 -6.3.1 Connect LA66 to the computer, open Serial Port Utility, and send the AT+CFG instruction to check whether the LA66 has downloaded correct program.
485 -
486 -[[image:image-20250207165702-14.png||height="830" width="563"]]
487 -
488 -6.3.2 Switch to Class C using "AT+CLASS=C", and check the class with "AT+CLASS=?".
489 -
490 -[[image:image-20250207173212-27.png]]
491 -
492 -[[image:image-20250207172246-20.png]]
493 -
494 -6.3.3 Verify LA66's join status (in LTS5) with "AT+NJS=?". If not joined, connect manually to LoRaWAN with "AT+JOIN".
495 -
496 -[[image:image-20250207172010-19.png]]
497 -
498 -[[image:image-20250207171650-17.png]]
499 -
500 -6.3.4 After joining, send a message to TTN, such as "AT+SENDB=01,02,8,05820802581ea0a5", to activate communication.
501 -
502 -[[image:image-20250207192107-28.png]]
503 -
504 -6.3.5 TTN distributes panel data in three batches~-~-DEUI, Dev Name, Sensor Data. The Dev Name, the last three bytes of the DEUI, and the panel type union together ensure the identification of a panel. Data about the same panel type will update the existing panel display, while data about a different panel type will create a new panel display on the LTS5 screen.
505 -
506 -There is a example for TTN downlink.
507 -
508 -1. downlink DEUI F1A84041000181D4A8
509 -1. downlink Dev Name F24B69746368656E2D467269676531FFFF
510 -1. downlink Sensor Data 5501A4CBBB0A8E085C02 or 5504A4CB01. Both of them are vaild formats for LTS5. Note: 0x55 as prefix and any other prefix except 0xF1, 0xF2, 0xF3 means downlink is Sensor Data.
511 -
512 -= 5. The method for adding a new type of panel to the project =
513 -
514 -If you don't have this need, then this part of the content can be ignored.
515 -
516 -1. Design a panel in SquareLine Studio, as shown in Image 5.1 below for reference.
517 -
518 518  [[image:image-20241121113445-1.png||height="584" width="934"]]
519 519  
520 - Image 5.1: a panel about water_leak
368 + image 5.1 a panel about water_leak
521 521  
522 522  
523 -2. **Export the UI file: **You need to adjust the export path first, then click '**Export -> Export UI Files**' on the menu bar. This step was introduced earlier. After that, you can get the UI files as shown in Image 5.2.
371 +**2. Export the ui file.** You need  to adjust the export path first, then click "Export->Export UI Files". This step had been introduced before. Then you can get the ui files as shown in image 5.2.
524 524  
525 525  [[image:image-20241121141120-4.png||height="383" width="795"]]
526 526  
527 - Image 5.2: Exported UI files
375 + image 5.2 ui files exported
528 528  
529 529  
530 -3. **Delete and rename some file.** Here are the steps:
378 +**3. Delete or rename some file.** Here are the steps:
531 531  
532 - Step 1: Delete the 'components' directory.
533 - Step 2: Delete 'filelist.txt'.
534 - Step 3: Delete 'ui_helpers.c' and 'ui_helpers.h'.
535 - Step 4: Rename 'ui_ScreenMain.c' in the 'screens' directory to 'ui_water_leak_style.c'.
536 - Step 5: Rename the 'screens' directory to 'styles'.
380 + Step1 Delete the 'components' directory.
381 + Step2 Delete 'filelist.txt'.
382 + Step3 Delete 'ui_helpers.c' and 'ui_helpers.h'.
383 + Step4 Rename 'ui_ScreenMain.c' in the 'screens' directory to 'ui_water_leak_style.c'.
384 + Step5 Rename the 'screens' directory to 'styles'.
537 537  
538 538  [[image:image-20241121151934-10.png||height="303" width="792"]]
539 539  
... ... @@ -543,9 +543,9 @@
543 543  
544 544   image 5.4 rest file (2)
545 545  
546 -4. Open the project in **VS Code**.
394 +**4. Open this project in vscode.**
547 547  
548 -5. Add the file include path for **water_leak** in **extra_lib/CMakeLists.txt**, as shown in Images 5.5 and 5.6. Its format is similar to that of **tem_hum** or **door**."
396 +5. Add file include path about water_leak in extra_lib/CMakeLists.txt as shown in image 5.5, 5.6, and its format is similar to the tem_hum or door.
549 549  
550 550  [[image:image-20241121181957-17.png||height="438" width="516"]]
551 551  
... ... @@ -555,10 +555,8 @@
555 555  
556 556   image 5.6 extra_lib/CMakeLists.txt after add
557 557  
558 -6.  **Modify the header files included in the fonts and images directories**.
406 +**6. Modify header file include in fonts and images directory.** Open the fonts/ui_font_Font12.c file, as shown in image 5.7, then modify the '#include "../ui.h"' to '#include "../ui_water_leak.h"', the image 5.8 is the modified image. Other font file need to be modified in same way.
559 559  
560 -Open the **fonts/ui_font_Font12.c** file, as shown in Image 5.7, and change **#include "../ui.h"** to **#include "../ui_water_leak.h"**. The modified file is shown in Image 5.8. Other font files need to be modified in the same way.
561 -
562 562  [[image:image-20241121171629-11.png]]
563 563  
564 564   image 5.7 before-modified font file
... ... @@ -567,7 +567,7 @@
567 567  
568 568   image 5.8 modified font file
569 569  
570 -Open the **images/ui_img_battery_empty_png.c** file, as shown in Image 5.9, and change **#include "../ui.h"** to **#include "../ui_water_leak.h"**. The modified file is shown in Image 5.10. Other image files need to be modified in the same way.
416 +Open the images/ui_img_battery_empty_png.c file, as shown in image 5.9, then modify the '#include "../ui.h"' to '#include "../ui_water_leak.h"', the image 5.10 is the modified image. Other image file need to be modified in same way.
571 571  
572 572  [[image:image-20241121172714-13.png]]
573 573  
... ... @@ -577,7 +577,7 @@
577 577  
578 578   image 5.10 modified image file
579 579  
580 -7. Modify the **ui_water_leak/CMakeLists.txt**. Open this file, and modify it as shown in image 5.11 (before) and image 5.12 (after).
426 +**7. Modify the ui_water_leak/CMakeLists.txt.** Open this file, and modify it from image 5.11 to image 5.12.
581 581  
582 582  [[image:image-20241121180030-15.png]]
583 583  
... ... @@ -587,9 +587,8 @@
587 587  
588 588   image 5.12 ui_water_leak/CMakeLists.txt after modification
589 589  
436 +**8. Modify ui_water_leak.h file.** The image 5.13, 5.14 show the code before modification, and the image 5.15, 5.16 show the code after modification.
590 590  
591 -8. Modify the **ui_water_leak.h** file. Images 5.13 and 5.14 show the code before modification, while Images 5.15 and 5.16 show the code after modification.
592 -
593 593  [[image:image-20241122094200-23.png]]
594 594  
595 595   image 5.13 ui_water_leak.h (1) before modification
... ... @@ -606,7 +606,7 @@
606 606  
607 607   image 5.16 ui_water_leak.h (2) before modification
608 608  
609 -9. **Modify ui_water_leak.c file.** The image 5.17, 5.18, 5.19 show the code before modification, and the image 5.20, 5.21, 5.22 show the code after modification.
454 +**9. Modify ui_water_leak.c file.** The image 5.17, 5.18, 5.19 show the code before modification, and the image 5.20, 5.21, 5.22 show the code after modification.
610 610  
611 611  _ui_flag_modify( ((lv_obj_t *)(e->user_data)), LV_OBJ_FLAG_HIDDEN, _UI_MODIFY_FLAG_TOGGLE);  This code replaces 4 lines of code in ui_water_leak.c, so it is pasted here for convenience.
612 612  
... ... @@ -634,7 +634,7 @@
634 634  
635 635   image 5.22 ui_water_leak.c (3) after modification
636 636  
637 -10. **Modify ui_water_leak_events.h file.** The image 5.23 show the code before modification, and the image 5.24 show the code after modification.
482 +**10. Modify ui_water_leak_events.h file.** The image 5.23 show the code before modification, and the image 5.24 show the code after modification.
638 638  
639 639  [[image:image-20241122134113-35.png||height="380" width="421"]]
640 640  
... ... @@ -644,7 +644,7 @@
644 644  
645 645  image 5.24 ui_water_leak_events_.h after modification
646 646  
647 -11.** Modify ui_water_leak_events.c file.** The image 5.25 show the code before modification, and the image 5.26 show the code after modification.
492 +**11. Modify ui_water_leak_events.c file.** The image 5.25 show the code before modification, and the image 5.26 show the code after modification.
648 648  
649 649  Step1. '#include "ui.h"'~-~->'#include "ui_water_leak.h"'
650 650  
... ... @@ -665,7 +665,7 @@
665 665   image 5.26 ui_water_leak_events_.c after modification
666 666  
667 667  
668 -12. **Modify ui_water_leak_style.c file.**
513 +**12. Modify ui_water_leak_style.c file.**
669 669  
670 670  Step1. '#include "../ui.h"'~-~->#include '"../ui_water_leak.h"'
671 671  
... ... @@ -708,7 +708,6 @@
708 708  
709 709   image 5.32 ui_water_leak_style.c (4)
710 710  
711 -
712 712  [[image:image-20241122154755-49.png||height="864" width="513"]]
713 713  
714 714   image 5.33 ui_water_leak_style.c (4)
... ... @@ -749,31 +749,22 @@
749 749  
750 750  return union_sensor;
751 751  
752 -[[image:image-20250122173546-6.png||height="777" width="922"]]
596 +[[image:image-20241122171211-54.png||height="635" width="792"]]
753 753  
754 754   image 5.38
755 755  
756 756  
757 -13. Rest midification in sort.h file.
601 +**13. Modify sort.c file.**
758 758  
759 -In image 5.39 as below, we can see "WATER_LEAK_TYPE" at line 24 and water leak switch status definition at line 32,33, and these are what we need to add in sort.h.
603 +Add a line of code ~-~-'#include "ui_water_leak.h"' as shown in image 5.39 line 16.
760 760  
761 -[[image:image-20250122170230-1.png||height="580" width="513"]]
605 +[[image:image-20241122173718-56.png||height="378" width="579"]]
762 762  
763 - image 5.39 sort.h
607 + image 5.39 sort.c (1)
764 764  
765 -13. **Modify sort.c file.**
766 -
767 -Add a line of code ~-~-'#include "ui_water_leak.h"' as shown in image 5.39 line 26.
768 -
769 -[[image:image-20250122171910-5.png||height="524" width="510"]]
770 -
771 - image 5.40 sort.c (1)
772 -
773 773  There are still some changes need to be done in sort.c, and omit here for the moment.
774 774  
775 775  
776 -
777 777  = 6. FAQ =
778 778  
779 779  == 6.1 ==
... ... @@ -806,7 +806,7 @@
806 806  
807 807  
808 808  * Datasheet
809 -* Source Code: [[dragino/LoRa-HMI-Touch-Screen: Open Source LoRa / LoRaWAN HMI Touch Screen Project>>url:https://github.com/dragino/LoRa-HMI-Touch-Screen/tree/main]]
644 +* Source Code
810 810  * Mechinical
811 811  
812 812  = 10. FCC Warning =
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