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Last modified by BoYang Xie on 2025/07/17 15:54
From version 25.1
edited by BoYang Xie
on 2024/09/25 10:06
Change comment: Uploaded new attachment "1727230012478-930.png", version {1}
To version 123.1
edited by Dilisi S
on 2024/12/24 04:36
Change comment: Dec 23 edits - Part 1

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1 -XWiki.xieby
1 +XWiki.pradeeka
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1 +(% style="text-align:center" %)
2 2  [[image:image-20240915231842-1.png]]
3 3  
4 4  
5 +
6 +
7 +
8 +
9 +
5 5  (% _mstvisible="1" %)
6 -(% _msthash="315238" _msttexthash="18964465" _mstvisible="3" %)**Table of Contents：**
11 +(% _msthash="315238" _msttexthash="18964465" _mstvisible="3" %)**Table of Contents:**
7 7  
8 8  {{toc/}}
9 9  
... ... @@ -16,20 +16,22 @@
16 16  
17 17  = 1.  Introduction =
18 18  
19 -== 1.1  What is LTS5 LoRa HMI touch screen ==
24 +== 1.1  What is the LTS5 LoRa HMI Touch Screen? ==
20 20  
21 -LTS5 is a (% style="color:blue" %)LoRa / LoRaWAN HMI Touch Screen(%%) designed for display purpose of IoT project. It have a 5.0" HMI touch screen, and support WiFi, Bluetooch, LoRa wireless protocol.
22 22  
23 -LTS5 is an Open Source software project. The MCU is ESP32 and Dragino LA66 LoRa module. There are lots of development source for ESP32 which can greatly reduce the development time.
27 +The LTS5 is a (% style="color:blue" %)**LoRa / LoRaWAN HMI Touch Screen**(%%) designed for displaying information in IoT projects. It features a **5.0-inch HMI touch screen** and supports **Wi-Fi**, **Bluetooth**, and **LoRa** wireless protocols.
24 24  
25 -The HMI touch screen of LTS5 supports drap & drop design. Developer can use SquareLine to easily customize the display UI for different application.
29 +The LTS5 is an open-source software project powered by an **ESP32 MCU** and a **Dragino LA66 LoRa** module. The extensive development resources available for ESP32 can significantly reduce development time.
26 26  
27 -LTS5 use LA66 LoRa module, this module can be program to support private LoRa protocol or LoRaWAN protocol.
31 +The LTS5's HMI touch screen supports **drag-and-drop** design, allowing developers to use SquareLine to easily customize the display UI for various applications.
28 28  
33 +The LA66 LoRa module can be programmed to support either private LoRa protocols or the LoRaWAN protocol.
29 29  
30 30  == 1.2  Features ==
31 31  
32 -* ESP32-WROOM MCU + Dragino LA66 LoRa Module
37 +
38 +* ESP32-WROOM MCU: 8MB RAM & 16MB ROM
39 +* Dragino LA66 LoRa Module
33 33  * Support Private LoRa protocol or LoRaWAN protocol
34 34  * Support WiFi & BLE wireless protocol
35 35  * 5.0" HMI touch screen
... ... @@ -40,10 +40,17 @@
40 40  * 5V DC power
41 41  * IP Rating: IP52
42 42  
43 -== 1.3  Specification ==
50 +== 1.3  Specifications ==
44 44  
52 +
45 45  **LoRa**:
46 46  
55 +* Frequency Range: 870 MHz ~~ 960 MHz
56 +* TCXO crystal to ensure RF performance on low temperature
57 +* Maximum Power +22 dBm constant RF output
58 +* High sensitivity: -148 dBm
59 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
60 +* LoRa Rx current: <9 mA
47 47  
48 48  **WiFi:**
49 49  
... ... @@ -69,15 +69,18 @@
69 69  
70 70  == 1.4  Power Consumption ==
71 71  
86 +
72 72  * External 5V DC power adapter
73 73  
74 74  == 1.5  Storage & Operation Temperature ==
75 75  
91 +
76 76  * Operation Temperature: -20 ~~ 70°C  (No Dew)
77 77  * Storage Temperature: -30 ~~ 70°C  (No Dew)
78 78  
79 79  == 1.6  Applications ==
80 80  
97 +
81 81  * Smart Buildings & Home Automation
82 82  * Logistics and Supply Chain Management
83 83  * Smart Metering
... ... @@ -85,38 +85,494 @@
85 85  * Smart Cities
86 86  * Smart Factory
87 87  
88 -= 2.  Getting Start with Hello World =
105 += 2.  Getting Started with 'Hello World' =
89 89  
90 90  == 2.1  About this demo ==
91 91  
92 -In this Getting Start Example, we will show how to desing a simple Display UI and upload it to LTS5. This UI has  a button , when user click the button. The Web UI will jump to a new page.
93 93  
110 +This getting started example demonstrates how to design and deploy a simple display UI for the LTS5 device. The example includes:
94 94  
112 +* Creating a basic UI with a single button.
113 +* Implementing functionality to navigate the Web UI to a new page when the button is clicked.
114 +* Uploading the UI to the LTS5 device.
115 +
116 +By completing this demo, you will gain foundational knowledge for customizing the LTS5 interface and building more advanced IoT applications.
117 +
118 +
95 95  == 2.2  Install Software Running Environment ==
96 96  
97 -=== 2.2.1 Install ESP-IDF tool ===
98 98  
122 +The **ESP MCU** supports development with **ESP-IDF**, **Arduino**, or **MicroPython**. We use **ESP-IDF** for compilation and **Visual Studio Code (VS Code)** as the development environment for this project.
123 +
124 +
125 +=== 2.2.1 Install VS Code and ESP-IDF extension ===
126 +
127 +
128 +First, download and install **VS Code** for your operating system from the Visual Studio Code website: [[Visual Studio Code - Mac, Linux, Windows>>https://code.visualstudio.com/download]].
129 +
130 +Next, install the **ESP-IDF** extension within **VS Code**. Detailed steps for this process are shown in Image 1.
131 +
132 +
133 +[[image:image-20240928110211-5.png||height="508" width="866"]]
134 +
135 + Image 1: ESP-IDF extension install
136 +
137 +Links for reference: [[Install ESP32 ESP-IDF on Windows and Integrate with VS code (esp32tutorials.com)>>url:https://esp32tutorials.com/install-esp32-esp-idf-windows-integrate-vs-code/#:~~:text=In%20this%20tutorial,%20we%20will%20show%20you%20how%20to%20install]]
138 +
139 +
99 99  === 2.2.2 Install SquareLine Studio ===
100 100  
101 101  
102 -== 2.3 Program in SquareLine and get UI code ==
143 +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 1.4.2.
103 103  
145 +[[image:squareline.io_downloads.png]]
104 104  
105 -== 2.4 Intergrate UI Code to ESP32 ==
106 106  
148 +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:
107 107  
108 -== 2.5 Test Result ==
150 +* Max. 10 screens
151 +* Max. 150 widgets
152 +* Max. 5 global colors
153 +* Max. 2 themes
154 +* Max. 1 component
109 109  
156 +== 2.3 Simple usage of SquareLine Studio and exporting UI code ==
110 110  
158 +
159 +After launching and logging into the software, create a new project as shown in Image 2.
160 +
161 +* Select the major **LVGL** version as **8.3**.
162 +* Select the **Desktop** tab.
163 +* Select  **Eclipse with  SDL for  development on PC**:
164 +* In the **PROJECT SETTINGS**, select **LVGL version** **8.3.11**
165 +* Select the **CREATE **button.
166 +
167 +[[image:image-20240928103357-2.png||height="680" width="708"]]
168 +
169 + Image 2: Creating a new SquareLine project
170 +
171 +
172 +Next, you need to configure some settings for this project. By clicking in the specified order shown in Image 3, you will be directed to the page displayed in Image 4.
173 +
174 +* Select** File  -> Project Settings**
175 +
176 +[[image:1727229582471-566.png]]
177 +
178 + Image 3 accessing project settings
179 +
180 +
181 +In the PROJECT SETTINGS dialog box, configure/modify the project settings:
182 +
183 +* **UI Files Export Root**: Select a folder on your computer to store the UI files.
184 +* **LVGL Include Path**: Set this to **lvgl.h**
185 +* **Click on the APPLY CHANGES button.**
186 +
187 +[[image:image-20240928105309-4.png||height="526" width="556"]]
188 +
189 + Image 4 Configure/modify project settings
190 +
191 +
192 +Now you can start building the sample UI. Follow the steps below:
193 +
194 +
195 +=== Add widgets ===
196 +
197 +To add widgets navigate to the **Widgets** area, then click on the widgets you want to add. The selected widgets will be added to the screen. You can reposition the widgets in the screen area by clicking and dragging them.
198 +
199 +Add a Label, Button, and Image to the screen as shown in **Image 5**.
200 +
201 +[[image:image-20240928111412-6.png||height="526" width="864"]]
202 +
203 + Image 5: Add widgets
204 +
205 +=== Modify widget properties ===
206 +
207 +The area for modifying widgets is called the **Inspector** tab. The Inspector tab consists of four sections: **COMPONENT**, **<WIDGET>**, **STYLE SETTINGS**, and **EVENTS**, as shown in Image 6.
208 +
209 +The second section allows you to adjust a widget's layout, size, position, alignment, flags, states, and more. When you select a widget on the screen, the name of this section changes to match the name of the selected widget.
210 +
211 +[[image:1727485118799-984.png]]
212 +
213 + Image 6: The button widget's "Inspector" tab
214 +
215 +
216 +==== Changing the Button properties ====
217 +
218 +Click the Button.
219 +
220 +Under the "Layout" you can change the button's position and size.
221 +
222 +[[image:1727485251053-655.png]]
223 +
224 +Image 7: The button widget's "BUTTON" tab
225 +
226 +
227 +Next, add a click event to the button. When the button is clicked, an event should trigger to change the current screen (Screen1) to a new screen (Screen2) with a fade effect and the transition from Screen1 to Screen2 should take 500ms.
228 +
229 +* Click **ADD EVENT** button.
230 +* Select **CLICKED** under the Trigger.
231 +* Select **Screen2** from **Screen to**.
232 +* Select **FADE ON** from **Fade mode**.
233 +* Enter **500** in the **Speed** text box.
234 +* Finally, click **ADD** button.
235 +
236 +[[image:1727485480434-713.png||height="395" width="290"]]
237 +
238 + Image 8: Add an event for the button
239 +
240 +
241 +==== Changing the label properties ====
242 +
243 +Click the label. Under the **Label** section, type "Click For Detail" in the **Text** textbox.
244 +
245 +
246 +[[image:image-20240928090825-1.png||height="327" width="391"]]
247 +
248 + Image 9:  Modify text of label widget
249 +
250 +
251 +==== 4. Changing image properties ====
252 +
253 +To use the image widget, you should first add an image to your project. The image format must be PNG, and its resolution should not exceed 800x480 pixels. There are two ways to add an image file. One way is to move your image into the folder "…/squareline project/assets/", as shown in image 10. The other way is to click the "ADD FILE INTO ASSETS" button, then select an image from your computer to import. After adding, you can see the image in the "assets" area in SquareLine Studio, as demonstrated in image 11.
254 +
255 +[[image:image-20240928113424-9.png||height="355" width="505"]]
256 +
257 + image 10 add image file into SquareLine Studio project
258 +
259 +[[image:image-20240928114139-10.png||height="559" width="810"]]
260 +
261 + image 11 use image widget in SquareLine Studio
262 +
263 +
264 +==== 5. The relationship between widgets ====
265 +
266 +Widgets commonly have two types of relationships: **parallel** and **parent-child**.
267 +
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, as shown in Image 13.
270 +
271 +[[image:1727486567182-334.png||height="318" width="278"]]
272 +
273 +
274 +Move **Label1** to make it a child of **Button1**. See Image 13.
275 +
276 +[[image:image-20240928112001-8.png||height="431" width="796"]]
277 +
278 + Image 13: Move Label1 to make it a child of Button1.
279 +
280 +
281 +**6. Preview the screen**
282 +
283 +You can test the result by clicking on the **PLAY** button. The screen will change into play mode. See Image 14.
284 +
285 +[[image:1727487368023-281.png]]
286 +
287 + Image 14: Simulating the project
288 +
289 +
290 +For more information, please visit the official link: [[SquareLine Studio 1.4.2 Documentation ~| SquareLine Studio>>url:https://docs.squareline.io/docs/squareline/]].
291 +
292 +
293 +== 2.4 Integrate UI Code to ESP-IDF Project ==
294 +
295 +
296 +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.
297 +
298 +[[image:1727229798126-306.png]]
299 +
300 + image 15 export UI file
301 +
302 +[[image:1727229821582-258.png||height="333" width="662"]]
303 +
304 + image 16 exported UI file
305 +
306 +Create a empty directory entitled "ui" in path "basic_prj/app_components/ui/", and then copy all UI code exported to this directory.
307 +
308 +[[image:image-20240928144830-11.png]]
309 +
310 + image 17 open CMakeLists.txt
311 +
312 +[[image:1727229892636-154.png||height="521" width="407"]]
313 +
314 + image 18 modify CMakeLists.txt
315 +
316 +The last step of integrating is adding two lines of code in main.c file.
317 +
318 +[[image:1727229926561-300.png]]
319 +
320 + image 19 add "ui.h"
321 +
322 +[[image:1727229955611-607.png]]
323 +
324 + image 20 add "ui_init()"
325 +
326 +
327 +== 2.5 Brief introduction of hello world project ==
328 +
329 +
330 +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.
331 +
332 +
333 +== 2.6 Test Result ==
334 +
335 +
336 +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.
337 +
338 +[[image:1727488067077-684.png||height="402" width="574"]]
339 +
340 + image 21 screen1
341 +
342 +[[image:1727488157579-949.png||height="397" width="572"]]
343 +
344 + image 22 screen2
345 +
346 +
111 111  = 3. Example Project 1: LoRa Central Display =
112 112  
113 113  [[image:image-20240916101737-1.png||height="468" width="683"]]
114 114  
115 115  
116 -
117 117  = 4. Example Project 2: LoRaWAN RS485 Alarm =
118 118  
354 += 5.  The way to add a new panel to project =
119 119  
356 +**~1. Design a panel in SquareLine Studio, using image 5.1 below as a reference.**
357 +
358 +[[image:image-20241121113445-1.png||height="584" width="934"]]
359 +
360 + image 5.1 a panel about water_leak
361 +
362 +**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.
363 +
364 +[[image:image-20241121141120-4.png||height="383" width="795"]]
365 +
366 + image 5.2 ui files exported
367 +
368 +**3. Delete or rename some file.** Here are the steps:
369 +
370 + Step1 Delete the 'components' directory.
371 + Step2 Delete 'filelist.txt'.
372 + Step3 Delete 'ui_helpers.c' and 'ui_helpers.h'.
373 + Step4 Rename 'ui_ScreenMain.c' in the 'screens' directory to 'ui_water_leak_style.c'.
374 + Step5 Rename the 'screens' directory to 'styles'.
375 +
376 +[[image:image-20241121151934-10.png||height="303" width="792"]]
377 +
378 + image 5.3 rest file (1)
379 +
380 +[[image:image-20241121142925-7.png||height="141" width="793"]]
381 +
382 + image 5.4 rest file (2)
383 +
384 +**4. Open this project in vscode.**
385 +
386 +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.
387 +
388 +[[image:image-20241121181957-17.png||height="438" width="516"]]
389 +
390 + image 5.5 extra_lib/CMakeLists.txt before add
391 +
392 +[[image:image-20241121182239-18.png||height="520" width="518"]]
393 +
394 + image 5.6 extra_lib/CMakeLists.txt after add
395 +
396 +**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.
397 +
398 +[[image:image-20241121171629-11.png]]
399 +
400 + image 5.7 before-modified font file
401 +
402 +[[image:image-20241121171901-12.png]]
403 +
404 + image 5.8 modified font file
405 +
406 +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.
407 +
408 +[[image:image-20241121172714-13.png]]
409 +
410 + image 5.9 before-modified image file
411 +
412 +[[image:image-20241121172908-14.png]]
413 +
414 + image 5.10 modified image file
415 +
416 +**7. Modify the ui_water_leak/CMakeLists.txt.** Open this file, and modify it from image 5.11 to image 5.12.
417 +
418 +[[image:image-20241121180030-15.png]]
419 +
420 + image 5.11 ui_water_leak/CMakeLists.txt before modification
421 +
422 +[[image:image-20241121180517-16.png]]
423 +
424 + image 5.12 ui_water_leak/CMakeLists.txt after modification
425 +
426 +**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.
427 +
428 +[[image:image-20241122094200-23.png]]
429 +
430 + image 5.13 ui_water_leak.h (1) before modification
431 +
432 +[[image:image-20241122094320-24.png||height="852" width="554"]]
433 +
434 + image 5.14 ui_water_leak.h (2) before modification
435 +
436 +[[image:image-20241122094600-25.png||height="1078" width="554"]]
437 +
438 + image 5.15 ui_water_leak.h (1) after modification
439 +
440 +[[image:image-20241122094719-26.png||height="941" width="583"]]
441 +
442 + image 5.16 ui_water_leak.h (2) before modification
443 +
444 +**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.
445 +
446 +_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.
447 +
448 +[[image:image-20241122102929-27.png||height="619" width="426"]]
449 +
450 + image 5.17 ui_water_leak.c (1) before modification
451 +
452 +[[image:image-20241122112838-30.png||height="551" width="628"]]
453 +
454 + image 5.18 ui_water_leak.c (2) before modification
455 +
456 +[[image:image-20241122110815-29.png||height="725" width="712"]]
457 +
458 + image 5.19 ui_water_leak.c (3) before modification
459 +
460 +[[image:image-20241122113158-31.png||height="872" width="677"]]
461 +
462 + image 5.20 ui_water_leak.c (1) after modification
463 +
464 +[[image:image-20241122113259-33.png||height="874" width="724"]]
465 +
466 + image 5.21 ui_water_leak.c (2) after modification
467 +
468 +[[image:image-20241122113359-34.png||height="804" width="746"]]
469 +
470 + image 5.22 ui_water_leak.c (3) after modification
471 +
472 +**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.
473 +
474 +[[image:image-20241122134113-35.png||height="380" width="421"]]
475 +
476 + image 5.23 ui_water_leak_events_.h before modification
477 +
478 +[[image:image-20241122134420-37.png||height="201" width="283"]]
479 +
480 +image 5.24 ui_water_leak_events_.h after modification
481 +
482 +**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.
483 +
484 +Step1. '#include "ui.h"'~-~->'#include "ui_water_leak.h"'
485 +
486 +Step2. add code  below in delete_object() function definition.
487 +
488 + panel_all * panel = find_upper_by_SensorPanel(&arr,((lv_obj_t *)(e->user_data~)~)~);
489 +
490 + size_t index = panel->panel_obj_index;
491 +
492 + deleteElement(&arr, index);
493 +
494 +[[image:image-20241122135023-38.png||height="358" width="372"]]
495 +
496 + image 5.25 ui_water_leak_events_.c before modification
497 +
498 +[[image:image-20241122135258-39.png||height="403" width="559"]]
499 +
500 + image 5.26 ui_water_leak_events_.c after modification
501 +
502 +**12. Modify ui_water_leak_style.c file.**
503 +
504 +Step1. '#include "../ui.h"'~-~->#include '"../ui_water_leak.h"'
505 +
506 + add '#include "../../sort.h"'
507 +
508 + add '#include "ui.h"'
509 +
510 +[[image:image-20241122141536-41.png||height="361" width="612"]]
511 +
512 + image 5.27 ui_water_leak_style.c (1) before modification
513 +
514 +[[image:image-20241122142129-42.png||height="386" width="613"]]
515 +
516 + image 5.28 ui_water_leak_style.c (1) after modification
517 +
518 +Step2. modify 'void ui_ScreenMain_screen_init(void)'~-~->'panel_with_type create_water_leak(uint8_t index)'
519 +
520 + delete code as shown in image 5.29
521 +
522 +[[image:image-20241122145620-44.png||height="757" width="671"]]
523 +
524 + image 5.29 ui_water_leak_style.c (2)
525 +
526 +Step3. The image 5.30, 5.31 show the change.
527 +
528 +[[image:image-20241122152026-45.png||height="277" width="828"]]
529 +
530 + image 5.30 ui_water_leak_style.c (3) before modification
531 +
532 +[[image:image-20241122152542-46.png||height="293" width="830"]]
533 +
534 + image 5.31 ui_water_leak_style.c (3) after modification
535 +
536 +Step4. Copy partly the code in ui_water_leak.c, paste at extra_lib/sort.h(The process is shown in image 5.32, 5.33).
537 +
538 +[[image:image-20241122153958-47.png]]
539 +
540 + image 5.32 ui_water_leak_style.c (4)
541 +
542 +[[image:image-20241122154755-49.png||height="864" width="513"]]
543 +
544 + image 5.33 ui_water_leak_style.c (4)
545 +
546 +Step5. Delete event function in code which was just pasted in extra_lib/sort.h(The process is shown in image 5.34).
547 +
548 +[[image:image-20241122155650-50.png||height="922" width="513"]]
549 +
550 + image 5.34 ui_water_leak_style.c (5)
551 +
552 +Step6. Add some lines of code in extra_lib/sort.h as shown in image 5.35.
553 +
554 +[[image:image-20241122161934-51.png]]
555 +
556 + image 5.35
557 +
558 +Step7. Add a line of code in extra_lib/sort.h as shown in image 5.36.
559 +
560 +[[image:image-20241122162852-53.png||height="330" width="529"]]
561 +
562 + image 5.37
563 +
564 +Step8. Add some code in ui_water_leak_style.c as shown in image 5.38 from line534 to line 576 in detail.
565 +
566 +panel_with_type union_sensor;
567 +
568 +union_sensor.panel_type = WATER_LEAK_TYPE;
569 +
570 +......
571 +
572 +lv_obj_set_x(union_sensor.panel_union.door.ui_PanelSensorDoor, x_by_index(index));
573 +
574 +lv_obj_set_y(union_sensor.panel_union.door.ui_PanelSensorDoor, y_by_index(index));
575 +
576 +return union_sensor;
577 +
578 +[[image:image-20241122171211-54.png||height="635" width="792"]]
579 +
580 + image 5.38
581 +
582 +**13. Modify sort.c file.**
583 +
584 +Add a line of code ~-~-'#include "ui_water_leak.h"' as shown in image 5.39 line 16.
585 +
586 +[[image:image-20241122173718-56.png||height="378" width="579"]]
587 +
588 + image 5.39 sort.c (1)
589 +
590 +There are still some changes need to be done in sort.c, and omit here for the moment.
591 +
592 +
120 120  = 6. FAQ =
121 121  
122 122  == 6.1 ==
... ... @@ -126,11 +126,13 @@
126 126  
127 127  == 7.1  Part Number ==
128 128  
602 +
129 129  Part Number: (% style="color:#4472c4" %)LTS5
130 130  
131 131  
132 132  == 7.2  Packing Info ==
133 133  
608 +
134 134  **Package Includes**:
135 135  
136 136  * LTS5 HMI Touch Screen
... ... @@ -139,11 +139,13 @@
139 139  
140 140  = 8. Support =
141 141  
617 +
142 142  * Support is provided Monday to Friday, from 09:00 to 18:00 GMT+8. Due to different timezones we cannot offer live support. However, your questions will be answered as soon as possible in the before-mentioned schedule.
143 143  * Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]].
144 144  
145 145  = 9.  Reference material =
146 146  
623 +
147 147  * Datasheet
148 148  * Source Code
149 149  * Mechinical
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