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Last modified by BoYang Xie on 2025/07/09 11:46
From version 50.1
edited by BoYang Xie
on 2024/09/28 11:34
Change comment: Uploaded new attachment "image-20240928113424-9.png", version {1}
To version 132.1
edited by Dilisi S
on 2024/12/25 01:39
Change comment: Dec 24 edits - part 3

Summary

Details

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1 -XWiki.xieby
1 +XWiki.pradeeka
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2 2  [[image:image-20240915231842-1.png]]
3 3  
4 4  
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6 +
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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
... ... @@ -85,138 +85,511 @@
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 design 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:
111 +
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 +
94 94  == 2.2  Install Software Running Environment ==
95 95  
96 -The ESP MCU can be developed using ESP-IDF, Arduino, or MicroPython. For this project, we utilize ESP-IDF for compilation and Visual Studio Code (VSCode) for editing.
97 97  
98 -=== 2.2.1 Install VSCode and ESP-IDF extension ===
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.
99 99  
100 -Firstly, download and install VSCode for your computer's operating system from the official website: [[Download Visual Studio Code - Mac, Linux, Windows>>url:https://code.visualstudio.com/download]].
101 101  
102 -Next, you need to install the ESP-IDF extension within VSCode. The detailed operation steps are illustrated in image 1.
125 +=== 2.2.1 Install VS Code and ESP-IDF extension ===
103 103  
104 -[[image:1727229396732-319.png]]
105 105  
106 - image 1 ESP-IDF extension install
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]].
107 107  
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 +
108 108  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]]
109 109  
139 +
110 110  === 2.2.2 Install SquareLine Studio ===
111 111  
112 -The version we are utilizing for this software is 1.4.2. You can download it from the official link: [[SquareLine Studio - Download the current version of SquareLine Studio>>url:https://squareline.io/downloads#lastRelease]].
113 113  
114 -Please note that this software necessitates the registration of a license prior to usage, and various licenses come with distinct limitations. For instance, the free version imposes restrictions such as a limit of 1 component, 150 widgets, and 10 screens. However, for first-time downloads, you are granted unrestricted access for a period of 30 days without the need for immediate registration.
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 1.5.0. See the image below.
115 115  
116 -== 2.3 Simple usage of SquareLine Studio and export UI code ==
145 +[[image:squareline.io_downloads.png]]
117 117  
118 -After launching and logging in to this software, create a project as shown in the following image 2. The version of LVGL is 8.3.11.
119 119  
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:
120 120  
121 -[[image:1727233636007-933.png]]
150 +* Max. 10 screens
151 +* Max. 150 widgets
152 +* Max. 5 global colors
153 +* Max. 2 themes
154 +* Max. 1 component
122 122  
123 - image 2 create a SquareLine project
156 +== 2.3 Simple usage of SquareLine Studio and exporting UI code ==
124 124  
125 -Next, we need to make some settings for this project. By clicking in the specified order on image 3, we can see the page as shown in image 4.
126 126  
159 +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**.
160 +
161 +* In the **PROJECT SETTINGS**, select **LVGL version **as **8.3.11** and **Resolution** as **800** x **480**.
162 +* Select the **CREATE **button to create the new project with the selected settings.
163 +
164 +[[image:squareline-studio-launcher-screen.png]]
165 +
166 +
167 +
168 +Next, you need to configure some additional settings for this project. To do so, select** File  -> Project Settings** as shown in the image below.
169 +
127 127  [[image:1727229582471-566.png]]
128 128  
129 - image 3 project settings
130 130  
131 -[[image:1727229618724-758.png]]
173 +In the **PROJECT SETTINGS** dialog box, configure/modify the project settings as shown in the image below.
132 132  
133 - image 4 modify project settings
175 +* **UI Files Export Root**: Select a folder on your computer to store the UI files.
176 +* **LVGL Include Path**: Set this to **lvgl.h**
177 +* Click on the **APPLY CHANGES** button.
134 134  
135 -Now we can start to use this software. The steps for creating this UI are shown in image 5-10.
179 +[[image:image-20240928105309-4.png||height="526" width="556"]]
136 136  
137 -[[image:1727229653254-680.png]]
138 138  
139 - image 5 create a UI(1)
182 +Now you can start building the user interface. Follow the steps below:
140 140  
141 -[[image:1727231038705-173.png]]
142 142  
143 - image 6 create a UI(2)
185 +=== **Add widgets** ===
144 144  
145 -[[image:1727229682537-381.png]]
146 146  
147 - image 7 create a UI(3)
188 +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.
148 148  
149 -We repeat the steps of screen1 in screen2. Then we get screen2 as shown in image 8.
190 +[[image:image-20240928111412-6.png||height="526" width="864"]]
150 150  
151 -[[image:1727229715361-392.png]]
152 152  
153 - image 8 create a UI(4)
193 +Then click the **Screen **widget to add the second screen. After adding the second screen, it will appear in the Screens panel as **Screen2**.
154 154  
155 -Finally, we add click event for screen change to button1 in screen1(shown in image 9) and button2 in screen2.
195 +[[image:Screenshot 2024-12-24 140459.png||height="278" width="290"]]
156 156  
157 -[[image:1727229740592-843.png]]
197 +=== **Modify widget properties** ===
158 158  
159 - image 9 create a UI(5)
160 160  
161 -The event settings of button1 are as image 10 shown. The event adding operation of button2 is similar to button1.
200 +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.
162 162  
163 -[[image:1727229760857-521.png]]
202 +[[image:1727485118799-984.png]]
164 164  
165 - image 10 create a UI(6)
166 166  
205 +==== **Changing the Button properties** ====
206 +
207 +
208 +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:
209 +
210 +* **Flex Flow**: No Layout
211 +* **Transform**:
212 +** **X**: 331 px
213 +** **Y**: 203 px
214 +** **Width**: 100 px
215 +** **Height**: 50 px
216 +** **Align**: CENTER
217 +
218 +[[image:1727485251053-655.png]]
219 +
220 +
221 +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.
222 +
223 +* Click **ADD EVENT** button. A new section will appear to configure this event.
224 +
225 +[[image:Screenshot 2024-12-24 134937.png||height="80" width="290"]]
226 +
227 +* 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.
228 +
229 +[[image:Screenshot 2024-12-24 134818.png||height="222" width="290"]]
230 +
231 +* 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.
232 +* Finally, click the **ADD** button.
233 +
234 +[[image:1727485480434-713.png||height="395" width="290"]]
235 +
236 + Image 8: Add an event for the button
237 +
238 +
239 +==== **Changing the label properties** ====
240 +
241 +
242 +Click the Label you have added to the screen. Under the **Label** section, type "**Click for Detail**" in the **Text** textbox.
243 +
244 +[[image:image-20240928090825-1.png||height="327" width="391"]]
245 +
246 +
247 +Once you enter the text, it will immediately appear on the label.
248 +
249 +
250 +==== **Changing image properties** ====
251 +
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.
254 +
255 +One way is to move your image into the folder "…/squareline project/assets/", as shown in the image below.
256 +
257 +[[image:image-20240928113424-9.png||height="355" width="505"]]
258 +
259 +
260 +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.
261 +
262 +[[image:image-20240928114139-10.png||height="559" width="810"]]
263 +
264 +
265 +==== **The relationship between widgets** ====
266 +
267 +
268 +Widgets commonly have two types of relationships: **parallel** and **parent-child**.
269 +
270 +* In a **parallel relationship**, widgets' positions are determined relative to a shared reference object.
271 +* 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 +
273 +[[image:1727486567182-334.png||height="318" width="278"]]
274 +
275 +
276 +Move the label, **Label1** to make it a child of **Button1** as shown in the image below.
277 +
278 +[[image:image-20240928112001-8.png||height="431" width="796"]]
279 +
280 +
281 +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.
282 +
283 +[[image:Screenshot 2024-12-24 144005.png||height="360" width="290"]]
284 +
285 +
286 +==== **Preview the screen** ====
287 +
288 +
289 +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 +
291 +[[image:1727487368023-281.png]]
292 +
293 +
294 +For more information, please visit the official link: [[SquareLine Studio 1.4.2 Documentation ~| SquareLine Studio>>url:https://docs.squareline.io/docs/squareline/]].
295 +
296 +
167 167  == 2.4 Integrate UI Code to ESP-IDF Project ==
168 168  
169 -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.
170 170  
300 +To integrate, first export the UI code, then make some modifications, and finally relocate the UI code to a specific position within the project.
301 +
171 171  [[image:1727229798126-306.png]]
172 172  
173 - image 11 export UI file
304 + image 15 export UI file
174 174  
175 -[[image:1727229821582-258.png]]
306 +[[image:1727229821582-258.png||height="333" width="662"]]
176 176  
177 - image 12 exported UI file
308 + image 16 exported UI file
178 178  
179 -Create a empty directory entitled ‘ui’ in path “basic_prj/app_components/ui/”, and then copy all UI code exported to this directory.
310 +Create a empty directory entitled "ui" in path "basic_prj/app_components/ui/", and then copy all UI code exported to this directory.
180 180  
181 -[[image:1727229845835-509.png]]
312 +[[image:image-20240928144830-11.png]]
182 182  
183 - image 13 open CMakeLists.txt
314 + image 17 open CMakeLists.txt
184 184  
185 -[[image:1727229892636-154.png]]
316 +[[image:1727229892636-154.png||height="521" width="407"]]
186 186  
187 - image 14 modify CMakeLists.txt
318 + image 18 modify CMakeLists.txt
188 188  
320 +
189 189  The last step of integrating is adding two lines of code in main.c file.
190 190  
191 191  [[image:1727229926561-300.png]]
192 192  
193 - image 15 add “ui.h”
325 + image 19 add "ui.h"
194 194  
195 195  [[image:1727229955611-607.png]]
196 196  
197 - image 16 add “ui_init()”
329 + image 20 add "ui_init()"
198 198  
199 -== 2.5 Test Result ==
200 200  
332 +== 2.5 Brief introduction of hello world project ==
333 +
334 +
335 +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.
336 +
337 +
338 +== 2.6 Test Result ==
339 +
340 +
201 201  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.
202 202  
203 -[[image:1727229990795-405.png]]
343 +[[image:1727488067077-684.png||height="402" width="574"]]
204 204  
205 - image 17 screen1
345 + image 21 screen1
206 206  
207 -[[image:1727230012478-930.png]]
347 +[[image:1727488157579-949.png||height="397" width="572"]]
208 208  
209 - image 18 screen2
349 + image 22 screen2
210 210  
351 +
211 211  = 3. Example Project 1: LoRa Central Display =
212 212  
213 213  [[image:image-20240916101737-1.png||height="468" width="683"]]
214 214  
215 215  
216 -
217 217  = 4. Example Project 2: LoRaWAN RS485 Alarm =
218 218  
359 += 5. The way to add a new panel to project =
219 219  
361 +
362 +**~1. Design a panel in SquareLine Studio, using image 5.1 below as a reference.**
363 +
364 +[[image:image-20241121113445-1.png||height="584" width="934"]]
365 +
366 + image 5.1 a panel about water_leak
367 +
368 +
369 +**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.
370 +
371 +[[image:image-20241121141120-4.png||height="383" width="795"]]
372 +
373 + image 5.2 ui files exported
374 +
375 +
376 +**3. Delete or rename some file.** Here are the steps:
377 +
378 + Step1 Delete the 'components' directory.
379 + Step2 Delete 'filelist.txt'.
380 + Step3 Delete 'ui_helpers.c' and 'ui_helpers.h'.
381 + Step4 Rename 'ui_ScreenMain.c' in the 'screens' directory to 'ui_water_leak_style.c'.
382 + Step5 Rename the 'screens' directory to 'styles'.
383 +
384 +[[image:image-20241121151934-10.png||height="303" width="792"]]
385 +
386 + image 5.3 rest file (1)
387 +
388 +[[image:image-20241121142925-7.png||height="141" width="793"]]
389 +
390 + image 5.4 rest file (2)
391 +
392 +**4. Open this project in vscode.**
393 +
394 +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.
395 +
396 +[[image:image-20241121181957-17.png||height="438" width="516"]]
397 +
398 + image 5.5 extra_lib/CMakeLists.txt before add
399 +
400 +[[image:image-20241121182239-18.png||height="520" width="518"]]
401 +
402 + image 5.6 extra_lib/CMakeLists.txt after add
403 +
404 +**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.
405 +
406 +[[image:image-20241121171629-11.png]]
407 +
408 + image 5.7 before-modified font file
409 +
410 +[[image:image-20241121171901-12.png]]
411 +
412 + image 5.8 modified font file
413 +
414 +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.
415 +
416 +[[image:image-20241121172714-13.png]]
417 +
418 + image 5.9 before-modified image file
419 +
420 +[[image:image-20241121172908-14.png]]
421 +
422 + image 5.10 modified image file
423 +
424 +**7. Modify the ui_water_leak/CMakeLists.txt.** Open this file, and modify it from image 5.11 to image 5.12.
425 +
426 +[[image:image-20241121180030-15.png]]
427 +
428 + image 5.11 ui_water_leak/CMakeLists.txt before modification
429 +
430 +[[image:image-20241121180517-16.png]]
431 +
432 + image 5.12 ui_water_leak/CMakeLists.txt after modification
433 +
434 +**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.
435 +
436 +[[image:image-20241122094200-23.png]]
437 +
438 + image 5.13 ui_water_leak.h (1) before modification
439 +
440 +[[image:image-20241122094320-24.png||height="852" width="554"]]
441 +
442 + image 5.14 ui_water_leak.h (2) before modification
443 +
444 +[[image:image-20241122094600-25.png||height="1078" width="554"]]
445 +
446 + image 5.15 ui_water_leak.h (1) after modification
447 +
448 +[[image:image-20241122094719-26.png||height="941" width="583"]]
449 +
450 + image 5.16 ui_water_leak.h (2) before modification
451 +
452 +**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.
453 +
454 +_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.
455 +
456 +[[image:image-20241122102929-27.png||height="619" width="426"]]
457 +
458 + image 5.17 ui_water_leak.c (1) before modification
459 +
460 +[[image:image-20241122112838-30.png||height="551" width="628"]]
461 +
462 + image 5.18 ui_water_leak.c (2) before modification
463 +
464 +[[image:image-20241122110815-29.png||height="725" width="712"]]
465 +
466 + image 5.19 ui_water_leak.c (3) before modification
467 +
468 +[[image:image-20241122113158-31.png||height="872" width="677"]]
469 +
470 + image 5.20 ui_water_leak.c (1) after modification
471 +
472 +[[image:image-20241122113259-33.png||height="874" width="724"]]
473 +
474 + image 5.21 ui_water_leak.c (2) after modification
475 +
476 +[[image:image-20241122113359-34.png||height="804" width="746"]]
477 +
478 + image 5.22 ui_water_leak.c (3) after modification
479 +
480 +**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.
481 +
482 +[[image:image-20241122134113-35.png||height="380" width="421"]]
483 +
484 + image 5.23 ui_water_leak_events_.h before modification
485 +
486 +[[image:image-20241122134420-37.png||height="201" width="283"]]
487 +
488 +image 5.24 ui_water_leak_events_.h after modification
489 +
490 +**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.
491 +
492 +Step1. '#include "ui.h"'~-~->'#include "ui_water_leak.h"'
493 +
494 +Step2. add code  below in delete_object() function definition.
495 +
496 + panel_all * panel = find_upper_by_SensorPanel(&arr,((lv_obj_t *)(e->user_data~)~)~);
497 +
498 + size_t index = panel->panel_obj_index;
499 +
500 + deleteElement(&arr, index);
501 +
502 +[[image:image-20241122135023-38.png||height="358" width="372"]]
503 +
504 + image 5.25 ui_water_leak_events_.c before modification
505 +
506 +[[image:image-20241122135258-39.png||height="403" width="559"]]
507 +
508 + image 5.26 ui_water_leak_events_.c after modification
509 +
510 +
511 +**12. Modify ui_water_leak_style.c file.**
512 +
513 +Step1. '#include "../ui.h"'~-~->#include '"../ui_water_leak.h"'
514 +
515 + add '#include "../../sort.h"'
516 +
517 + add '#include "ui.h"'
518 +
519 +[[image:image-20241122141536-41.png||height="361" width="612"]]
520 +
521 + image 5.27 ui_water_leak_style.c (1) before modification
522 +
523 +[[image:image-20241122142129-42.png||height="386" width="613"]]
524 +
525 + image 5.28 ui_water_leak_style.c (1) after modification
526 +
527 +
528 +Step2. modify 'void ui_ScreenMain_screen_init(void)'~-~->'panel_with_type create_water_leak(uint8_t index)'
529 +
530 + delete code as shown in image 5.29
531 +
532 +[[image:image-20241122145620-44.png||height="757" width="671"]]
533 +
534 + image 5.29 ui_water_leak_style.c (2)
535 +
536 +
537 +Step3. The image 5.30, 5.31 show the change.
538 +
539 +[[image:image-20241122152026-45.png||height="277" width="828"]]
540 +
541 + image 5.30 ui_water_leak_style.c (3) before modification
542 +
543 +[[image:image-20241122152542-46.png||height="293" width="830"]]
544 +
545 + image 5.31 ui_water_leak_style.c (3) after modification
546 +
547 +
548 +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).
549 +
550 +[[image:image-20241122153958-47.png]]
551 +
552 + image 5.32 ui_water_leak_style.c (4)
553 +
554 +[[image:image-20241122154755-49.png||height="864" width="513"]]
555 +
556 + image 5.33 ui_water_leak_style.c (4)
557 +
558 +
559 +Step5. Delete event function in code which was just pasted in extra_lib/sort.h(The process is shown in image 5.34).
560 +
561 +[[image:image-20241122155650-50.png||height="922" width="513"]]
562 +
563 + image 5.34 ui_water_leak_style.c (5)
564 +
565 +
566 +Step6. Add some lines of code in extra_lib/sort.h as shown in image 5.35.
567 +
568 +[[image:image-20241122161934-51.png]]
569 +
570 + image 5.35
571 +
572 +
573 +Step7. Add a line of code in extra_lib/sort.h as shown in image 5.36.
574 +
575 +[[image:image-20241122162852-53.png||height="330" width="529"]]
576 +
577 + image 5.37
578 +
579 +
580 +Step8. Add some code in ui_water_leak_style.c as shown in image 5.38 from line534 to line 576 in detail.
581 +
582 +panel_with_type union_sensor;
583 +
584 +union_sensor.panel_type = WATER_LEAK_TYPE;
585 +
586 +......
587 +
588 +lv_obj_set_x(union_sensor.panel_union.door.ui_PanelSensorDoor, x_by_index(index));
589 +
590 +lv_obj_set_y(union_sensor.panel_union.door.ui_PanelSensorDoor, y_by_index(index));
591 +
592 +return union_sensor;
593 +
594 +[[image:image-20241122171211-54.png||height="635" width="792"]]
595 +
596 + image 5.38
597 +
598 +
599 +**13. Modify sort.c file.**
600 +
601 +Add a line of code ~-~-'#include "ui_water_leak.h"' as shown in image 5.39 line 16.
602 +
603 +[[image:image-20241122173718-56.png||height="378" width="579"]]
604 +
605 + image 5.39 sort.c (1)
606 +
607 +There are still some changes need to be done in sort.c, and omit here for the moment.
608 +
609 +
220 220  = 6. FAQ =
221 221  
222 222  == 6.1 ==
... ... @@ -226,11 +226,13 @@
226 226  
227 227  == 7.1  Part Number ==
228 228  
619 +
229 229  Part Number: (% style="color:#4472c4" %)LTS5
230 230  
231 231  
232 232  == 7.2  Packing Info ==
233 233  
625 +
234 234  **Package Includes**:
235 235  
236 236  * LTS5 HMI Touch Screen
... ... @@ -239,11 +239,13 @@
239 239  
240 240  = 8. Support =
241 241  
634 +
242 242  * 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.
243 243  * 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]].
244 244  
245 245  = 9.  Reference material =
246 246  
640 +
247 247  * Datasheet
248 248  * Source Code
249 249  * Mechinical
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