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Last modified by BoYang Xie on 2025/07/24 16:47
From version 133.2
edited by Xiaoling
on 2024/12/26 14:00
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To version 1.1
edited by Edwin Chen
on 2024/09/15 23:15
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Title
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1 -LTS5 LoRa HMI Touch Screen
1 +LTS5 LoRa Touch Screen
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1 -XWiki.Xiaoling
1 +XWiki.Edwin
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3 -(% style="text-align:center" %)
4 -[[image:image-20241226135550-1.png]]
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9 -(% _mstvisible="1" %)
10 -(% _msthash="315238" _msttexthash="18964465" _mstvisible="3" %)**Table of Contents:**
11 -
12 -{{toc/}}
13 -
14 -
15 -
16 -
17 -
18 -
19 -
20 -
21 -= 1.  Introduction =
22 -
23 -== 1.1  What is the LTS5 LoRa HMI Touch Screen? ==
24 -
25 -
26 -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.
27 -
28 -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.
29 -
30 -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.
31 -
32 -The LA66 LoRa module can be programmed to support either private LoRa protocols or the LoRaWAN protocol.
33 -
34 -== 1.2  Features ==
35 -
36 -
37 -* ESP32-WROOM MCU: 8MB RAM & 16MB ROM
38 -* Dragino LA66 LoRa Module
39 -* Support Private LoRa protocol or LoRaWAN protocol
40 -* Support WiFi & BLE wireless protocol
41 -* 5.0" HMI touch screen
42 -* Support LVGL case. SquareLine program.
43 -* Support RS485 Interface
44 -* Open Source Project
45 -* Wall Attachable.
46 -* 5V DC power
47 -* IP Rating: IP52
48 -
49 -== 1.3  Specifications ==
50 -
51 -
52 -**LoRa**:
53 -
54 -* Frequency Range: 870 MHz ~~ 960 MHz
55 -* TCXO crystal to ensure RF performance on low temperature
56 -* Maximum Power +22 dBm constant RF output
57 -* High sensitivity: -148 dBm
58 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
59 -* LoRa Rx current: <9 mA
60 -
61 -**WiFi:**
62 -
63 -* 802.11b/g/n
64 -* Up to 150 Mbps data rate in 802.11n mode
65 -* Support A-MPDU and A-MSDU aggregation
66 -* zero point four μ S protection interval
67 -* Working channel center frequency range: 2412~~2484 MHz
68 -
69 -**Bluetooth:**
70 -
71 -* Bluetooth V4.2 BR/EDR and Bluetooth LE standard
72 -* Class-1, Class-2, and Class-3 transmitters.
73 -* AFH
74 -* CVSD and SBC
75 -
76 -**Display:**
77 -
78 -* 5.0 Inch , 800 x 480
79 -* IPS Capacitive Touch SCreen
80 -* RGB color.
81 -* Display Area: 120.7*75.80 mm
82 -
83 -== 1.4  Power Consumption ==
84 -
85 -
86 -* External 5V DC power adapter
87 -
88 -== 1.5  Storage & Operation Temperature ==
89 -
90 -
91 -* Operation Temperature: -20 ~~ 70°C  (No Dew)
92 -* Storage Temperature: -30 ~~ 70°C  (No Dew)
93 -
94 -== 1.6  Applications ==
95 -
96 -
97 -* Smart Buildings & Home Automation
98 -* Logistics and Supply Chain Management
99 -* Smart Metering
100 -* Smart Agriculture
101 -* Smart Cities
102 -* Smart Factory
103 -
104 -= 2.  Getting Started with 'Hello World' =
105 -
106 -== 2.1  About this demo ==
107 -
108 -
109 -This getting started example demonstrates how to design and deploy a simple display UI for the LTS5 device. The example includes:
110 -
111 -* Creating a basic UI with a single button.
112 -* Implementing functionality to navigate the Web UI to a new page when the button is clicked.
113 -* Uploading the UI to the LTS5 device.
114 -
115 -By completing this demo, you will gain foundational knowledge for customizing the LTS5 interface and building more advanced IoT applications.
116 -
117 -
118 -== 2.2  Install Software Running Environment ==
119 -
120 -
121 -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.
122 -
123 -
124 -=== 2.2.1 Install VS Code and ESP-IDF extension ===
125 -
126 -
127 -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]].
128 -
129 -Next, install the **ESP-IDF** extension within **VS Code**. Detailed steps for this process are shown in Image 1.
130 -
131 -
132 -[[image:image-20240928110211-5.png||height="508" width="866"]]
133 -
134 - Image 1: ESP-IDF extension install
135 -
136 -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]]
137 -
138 -
139 -=== 2.2.2 Install SquareLine Studio ===
140 -
141 -
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 -
144 -[[image:squareline.io_downloads.png||height="888" width="1294"]]
145 -
146 -
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:
148 -
149 -* Max. 10 screens
150 -* Max. 150 widgets
151 -* Max. 5 global colors
152 -* Max. 2 themes
153 -* Max. 1 component
154 -
155 -== 2.3 Simple usage of SquareLine Studio and exporting UI code ==
156 -
157 -
158 -Start the SquareLine Studio. The **launcher screen** appears as shown in the below image. You can create a new project by clicking **Create** in the top menu. Then select the **Desktop** tab. Select the development platform, **Eclipse with  SDL for development on PC**.
159 -
160 -* In the **PROJECT SETTINGS**, select **LVGL version **as **8.3.11** and **Resolution** as **800** x **480**.
161 -* Select the **CREATE **button to create the new project with the selected settings.
162 -
163 -[[image:squareline-studio-launcher-screen.png||height="752" width="1415"]]
164 -
165 -
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 -
168 -[[image:1727229582471-566.png]]
169 -
170 -
171 -In the **PROJECT SETTINGS** dialog box, configure/modify the project settings as shown in the image below.
172 -
173 -* **UI Files Export Root**: Select a folder on your computer to store the UI files.
174 -* **LVGL Include Path**: Set this to **lvgl.h**
175 -* Click on the **APPLY CHANGES** button.
176 -
177 -[[image:image-20240928105309-4.png||height="526" width="556"]]
178 -
179 -
180 -Now you can start building the user interface. Follow the steps below:
181 -
182 -
183 -=== **Add widgets** ===
184 -
185 -
186 -To add a widget, navigate to the **Widgets** panel, and then click on the widget you want to add to the screen. You can reposition the widgets in the screen area by clicking and dragging them. Now add a **Label**, **Button**, and **Image** as shown in the image below. The added widgets are also displayed in the **Hierarchy **panel.
187 -
188 -[[image:image-20240928111412-6.png||height="526" width="864"]]
189 -
190 -
191 -Then click the **Screen **widget to add the second screen. After adding the second screen, it will appear in the Screens panel as **Screen2**.
192 -
193 -[[image:Screenshot 2024-12-24 140459.png||height="278" width="290"]]
194 -
195 -=== **Modify widget properties** ===
196 -
197 -
198 -The area for modifying widgets is called the **Inspector** panel. The Inspector panel consists of four sections: **COMPONENT**, **<WIDGET>**, **STYLE SETTINGS**, and **EVENTS**, as shown in the image below. 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.
199 -
200 -[[image:1727485118799-984.png]]
201 -
202 -
203 -==== **Changing the Button properties** ====
204 -
205 -
206 -Click the **Button **you have added to the screen. Under the **Layout** you can change the button's position and size. Use the following settings:
207 -
208 -* **Flex Flow**: No Layout
209 -* **Transform**:
210 -** **X**: 331 px
211 -** **Y**: 203 px
212 -** **Width**: 100 px
213 -** **Height**: 50 px
214 -** **Align**: CENTER
215 -
216 -[[image:1727485251053-655.png]]
217 -
218 -
219 -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.
220 -
221 -* Click **ADD EVENT** button. A new section will appear to configure this event.
222 -
223 -[[image:Screenshot 2024-12-24 134937.png||height="80" width="290"]]
224 -
225 -* Select **CLICKED** from the dropdown under **Trigger**. Choose **CHANGE SCREEN** under **Action**, then click the **ADD** button. A new section will appear to configure the action.
226 -
227 -[[image:Screenshot 2024-12-24 134818.png||height="222" width="290"]]
228 -
229 -* Select **Screen2** under **Screen to**. Select **FADE ON** from **Fade mode**. The default value **500** means the transition takes 500 milliseconds to appear the Screen2.
230 -* Finally, click the **ADD** button.
231 -
232 -[[image:1727485480434-713.png||height="395" width="290"]]
233 -
234 - Image 8: Add an event for the button
235 -
236 -
237 -==== **Changing the label properties** ====
238 -
239 -
240 -Click the Label you have added to the screen. Under the **Label** section, type "**Click for Detail**" in the **Text** textbox.
241 -
242 -[[image:image-20240928090825-1.png||height="327" width="391"]]
243 -
244 -
245 -Once you enter the text, it will immediately appear on the label.
246 -
247 -
248 -==== **Changing image properties** ====
249 -
250 -
251 -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.
252 -
253 -One way is to move your image into the folder "…/squareline project/assets/", as shown in the image below.
254 -
255 -[[image:image-20240928113424-9.png||height="355" width="505"]]
256 -
257 -
258 -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**" panel in SquareLine Studio, as shown in the image below.
259 -
260 -[[image:image-20240928114139-10.png||height="559" width="810"]]
261 -
262 -
263 -==== **The relationship between widgets** ====
264 -
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.
270 -
271 -[[image:1727486567182-334.png||height="318" width="278"]]
272 -
273 -
274 -Move the label, **Label1** to make it a child of **Button1** as shown in the image below.
275 -
276 -[[image:image-20240928112001-8.png||height="431" width="796"]]
277 -
278 -
279 -Then set the **X** and **Y** position of the label to **0** as shown in the image below. The label will appear on the button. If you move the button on the screen, the label will move along with it as part of the button.
280 -
281 -[[image:Screenshot 2024-12-24 144005.png||height="360" width="290"]]
282 -
283 -
284 -==== **Preview the screen** ====
285 -
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.
288 -
289 -[[image:1727487368023-281.png]]
290 -
291 -
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 -
294 -
295 -== 2.4 Integrate UI Code to ESP-IDF Project ==
296 -
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.
299 -
300 -[[image:1727229798126-306.png]]
301 -
302 - image 15 export UI file
303 -
304 -[[image:1727229821582-258.png||height="333" width="662"]]
305 -
306 - image 16 exported UI file
307 -
308 -Create a empty directory entitled "ui" in path "basic_prj/app_components/ui/", and then copy all UI code exported to this directory.
309 -
310 -[[image:image-20240928144830-11.png]]
311 -
312 - image 17 open CMakeLists.txt
313 -
314 -[[image:1727229892636-154.png||height="521" width="407"]]
315 -
316 - image 18 modify CMakeLists.txt
317 -
318 -
319 -The last step of integrating is adding two lines of code in main.c file.
320 -
321 -[[image:1727229926561-300.png]]
322 -
323 - image 19 add "ui.h"
324 -
325 -[[image:1727229955611-607.png]]
326 -
327 - image 20 add "ui_init()"
328 -
329 -
330 -== 2.5 Brief introduction of hello world project ==
331 -
332 -
333 -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.
334 -
335 -
336 -== 2.6 Test Result ==
337 -
338 -
339 -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.
340 -
341 -[[image:1727488067077-684.png||height="402" width="574"]]
342 -
343 - image 21 screen1
344 -
345 -[[image:1727488157579-949.png||height="397" width="572"]]
346 -
347 - image 22 screen2
348 -
349 -
350 -= 3. Example Project 1: LoRa Central Display =
351 -
352 -[[image:image-20240916101737-1.png||height="468" width="683"]]
353 -
354 -
355 -= 4. Example Project 2: LoRaWAN RS485 Alarm =
356 -
357 -= 5. The way to add a new panel to project =
358 -
359 -
360 -**~1. Design a panel in SquareLine Studio, using image 5.1 below as a reference.**
361 -
362 -[[image:image-20241121113445-1.png||height="584" width="934"]]
363 -
364 - image 5.1 a panel about water_leak
365 -
366 -
367 -**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.
368 -
369 -[[image:image-20241121141120-4.png||height="383" width="795"]]
370 -
371 - image 5.2 ui files exported
372 -
373 -
374 -**3. Delete or rename some file.** Here are the steps:
375 -
376 - Step1 Delete the 'components' directory.
377 - Step2 Delete 'filelist.txt'.
378 - Step3 Delete 'ui_helpers.c' and 'ui_helpers.h'.
379 - Step4 Rename 'ui_ScreenMain.c' in the 'screens' directory to 'ui_water_leak_style.c'.
380 - Step5 Rename the 'screens' directory to 'styles'.
381 -
382 -[[image:image-20241121151934-10.png||height="303" width="792"]]
383 -
384 - image 5.3 rest file (1)
385 -
386 -[[image:image-20241121142925-7.png||height="141" width="793"]]
387 -
388 - image 5.4 rest file (2)
389 -
390 -**4. Open this project in vscode.**
391 -
392 -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.
393 -
394 -[[image:image-20241121181957-17.png||height="438" width="516"]]
395 -
396 - image 5.5 extra_lib/CMakeLists.txt before add
397 -
398 -[[image:image-20241121182239-18.png||height="520" width="518"]]
399 -
400 - image 5.6 extra_lib/CMakeLists.txt after add
401 -
402 -**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.
403 -
404 -[[image:image-20241121171629-11.png]]
405 -
406 - image 5.7 before-modified font file
407 -
408 -[[image:image-20241121171901-12.png]]
409 -
410 - image 5.8 modified font file
411 -
412 -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.
413 -
414 -[[image:image-20241121172714-13.png]]
415 -
416 - image 5.9 before-modified image file
417 -
418 -[[image:image-20241121172908-14.png]]
419 -
420 - image 5.10 modified image file
421 -
422 -**7. Modify the ui_water_leak/CMakeLists.txt.** Open this file, and modify it from image 5.11 to image 5.12.
423 -
424 -[[image:image-20241121180030-15.png]]
425 -
426 - image 5.11 ui_water_leak/CMakeLists.txt before modification
427 -
428 -[[image:image-20241121180517-16.png]]
429 -
430 - image 5.12 ui_water_leak/CMakeLists.txt after modification
431 -
432 -**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.
433 -
434 -[[image:image-20241122094200-23.png]]
435 -
436 - image 5.13 ui_water_leak.h (1) before modification
437 -
438 -[[image:image-20241122094320-24.png||height="852" width="554"]]
439 -
440 - image 5.14 ui_water_leak.h (2) before modification
441 -
442 -[[image:image-20241122094600-25.png||height="1078" width="554"]]
443 -
444 - image 5.15 ui_water_leak.h (1) after modification
445 -
446 -[[image:image-20241122094719-26.png||height="941" width="583"]]
447 -
448 - image 5.16 ui_water_leak.h (2) before modification
449 -
450 -**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.
451 -
452 -_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.
453 -
454 -[[image:image-20241122102929-27.png||height="619" width="426"]]
455 -
456 - image 5.17 ui_water_leak.c (1) before modification
457 -
458 -[[image:image-20241122112838-30.png||height="551" width="628"]]
459 -
460 - image 5.18 ui_water_leak.c (2) before modification
461 -
462 -[[image:image-20241122110815-29.png||height="725" width="712"]]
463 -
464 - image 5.19 ui_water_leak.c (3) before modification
465 -
466 -[[image:image-20241122113158-31.png||height="872" width="677"]]
467 -
468 - image 5.20 ui_water_leak.c (1) after modification
469 -
470 -[[image:image-20241122113259-33.png||height="874" width="724"]]
471 -
472 - image 5.21 ui_water_leak.c (2) after modification
473 -
474 -[[image:image-20241122113359-34.png||height="804" width="746"]]
475 -
476 - image 5.22 ui_water_leak.c (3) after modification
477 -
478 -**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.
479 -
480 -[[image:image-20241122134113-35.png||height="380" width="421"]]
481 -
482 - image 5.23 ui_water_leak_events_.h before modification
483 -
484 -[[image:image-20241122134420-37.png||height="201" width="283"]]
485 -
486 -image 5.24 ui_water_leak_events_.h after modification
487 -
488 -**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.
489 -
490 -Step1. '#include "ui.h"'~-~->'#include "ui_water_leak.h"'
491 -
492 -Step2. add code  below in delete_object() function definition.
493 -
494 - panel_all * panel = find_upper_by_SensorPanel(&arr,((lv_obj_t *)(e->user_data~)~)~);
495 -
496 - size_t index = panel->panel_obj_index;
497 -
498 - deleteElement(&arr, index);
499 -
500 -[[image:image-20241122135023-38.png||height="358" width="372"]]
501 -
502 - image 5.25 ui_water_leak_events_.c before modification
503 -
504 -[[image:image-20241122135258-39.png||height="403" width="559"]]
505 -
506 - image 5.26 ui_water_leak_events_.c after modification
507 -
508 -
509 -**12. Modify ui_water_leak_style.c file.**
510 -
511 -Step1. '#include "../ui.h"'~-~->#include '"../ui_water_leak.h"'
512 -
513 - add '#include "../../sort.h"'
514 -
515 - add '#include "ui.h"'
516 -
517 -[[image:image-20241122141536-41.png||height="361" width="612"]]
518 -
519 - image 5.27 ui_water_leak_style.c (1) before modification
520 -
521 -[[image:image-20241122142129-42.png||height="386" width="613"]]
522 -
523 - image 5.28 ui_water_leak_style.c (1) after modification
524 -
525 -
526 -Step2. modify 'void ui_ScreenMain_screen_init(void)'~-~->'panel_with_type create_water_leak(uint8_t index)'
527 -
528 - delete code as shown in image 5.29
529 -
530 -[[image:image-20241122145620-44.png||height="757" width="671"]]
531 -
532 - image 5.29 ui_water_leak_style.c (2)
533 -
534 -
535 -Step3. The image 5.30, 5.31 show the change.
536 -
537 -[[image:image-20241122152026-45.png||height="277" width="828"]]
538 -
539 - image 5.30 ui_water_leak_style.c (3) before modification
540 -
541 -[[image:image-20241122152542-46.png||height="293" width="830"]]
542 -
543 - image 5.31 ui_water_leak_style.c (3) after modification
544 -
545 -
546 -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).
547 -
548 -[[image:image-20241122153958-47.png]]
549 -
550 - image 5.32 ui_water_leak_style.c (4)
551 -
552 -[[image:image-20241122154755-49.png||height="864" width="513"]]
553 -
554 - image 5.33 ui_water_leak_style.c (4)
555 -
556 -
557 -Step5. Delete event function in code which was just pasted in extra_lib/sort.h(The process is shown in image 5.34).
558 -
559 -[[image:image-20241122155650-50.png||height="922" width="513"]]
560 -
561 - image 5.34 ui_water_leak_style.c (5)
562 -
563 -
564 -Step6. Add some lines of code in extra_lib/sort.h as shown in image 5.35.
565 -
566 -[[image:image-20241122161934-51.png]]
567 -
568 - image 5.35
569 -
570 -
571 -Step7. Add a line of code in extra_lib/sort.h as shown in image 5.36.
572 -
573 -[[image:image-20241122162852-53.png||height="330" width="529"]]
574 -
575 - image 5.37
576 -
577 -
578 -Step8. Add some code in ui_water_leak_style.c as shown in image 5.38 from line534 to line 576 in detail.
579 -
580 -panel_with_type union_sensor;
581 -
582 -union_sensor.panel_type = WATER_LEAK_TYPE;
583 -
584 -......
585 -
586 -lv_obj_set_x(union_sensor.panel_union.door.ui_PanelSensorDoor, x_by_index(index));
587 -
588 -lv_obj_set_y(union_sensor.panel_union.door.ui_PanelSensorDoor, y_by_index(index));
589 -
590 -return union_sensor;
591 -
592 -[[image:image-20241122171211-54.png||height="635" width="792"]]
593 -
594 - image 5.38
595 -
596 -
597 -**13. Modify sort.c file.**
598 -
599 -Add a line of code ~-~-'#include "ui_water_leak.h"' as shown in image 5.39 line 16.
600 -
601 -[[image:image-20241122173718-56.png||height="378" width="579"]]
602 -
603 - image 5.39 sort.c (1)
604 -
605 -There are still some changes need to be done in sort.c, and omit here for the moment.
606 -
607 -
608 -= 6. FAQ =
609 -
610 -== 6.1 ==
611 -
612 -
613 -= 7. Order Info =
614 -
615 -== 7.1  Part Number ==
616 -
617 -
618 -Part Number: (% style="color:#4472c4" %)LTS5
619 -
620 -
621 -== 7.2  Packing Info ==
622 -
623 -
624 -**Package Includes**:
625 -
626 -* LTS5 HMI Touch Screen
627 -* 5V,2A DC Power Adapter.
628 -* USB Type C Program Cable
629 -
630 -= 8. Support =
631 -
632 -
633 -* 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.
634 -* 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]].
635 -
636 -= 9.  Reference material =
637 -
638 -
639 -* Datasheet
640 -* Source Code
641 -* Mechinical
642 -
643 -= 10. FCC Warning =
644 -
645 -
646 -This device complies with part 15 of the FCC Rules.Operation is subject to the following two conditions:
647 -
648 -(1) This device may not cause harmful interference;
649 -
650 -(2) this device must accept any interference received,including interference that may cause undesired operation.
651 -
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