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edited by Dilisi S
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1 -XWiki.pradeeka
1 +XWiki.Xiaoling
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21 21  
22 22  = 1.  Introduction =
23 23  
24 -== 1.1  What is the LTS5 LoRa HMI Touch Screen? ==
24 +== 1.1  What is LTS5 LoRa HMI touch screen ==
25 25  
26 26  
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.
27 +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**.
28 28  
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.
29 +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.
30 30  
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.
31 +The HMI touch screen of LTS5 **supports drap & drop design**. Developer can use SquareLine to easily customize the display UI for different application.
32 32  
33 -The LA66 LoRa module can be programmed to support either private LoRa protocols or the LoRaWAN protocol.
33 +LTS5 use LA66 LoRa module, this module can be program to support private LoRa protocol or LoRaWAN protocol.
34 34  
35 +
35 35  == 1.2  Features ==
36 36  
37 37  
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47 47  * 5V DC power
48 48  * IP Rating: IP52
49 49  
50 -== 1.3  Specifications ==
51 +== 1.3  Specification ==
51 51  
52 52  
53 53  **LoRa**:
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86 86  
87 87  * External 5V DC power adapter
88 88  
90 +
89 89  == 1.5  Storage & Operation Temperature ==
90 90  
91 91  
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92 92  * Operation Temperature: -20 ~~ 70°C  (No Dew)
93 93  * Storage Temperature: -30 ~~ 70°C  (No Dew)
94 94  
97 +
95 95  == 1.6  Applications ==
96 96  
97 97  
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102 102  * Smart Cities
103 103  * Smart Factory
104 104  
105 -= 2.  Getting Started with 'Hello World' =
106 106  
109 += 2.  Getting Started with Hello World =
110 +
107 107  == 2.1  About this demo ==
108 108  
109 109  
110 -This getting started example demonstrates how to design and deploy a simple display UI for the LTS5 device. The example includes:
114 +In this Getting Started 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.
111 111  
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.
115 115  
116 -By completing this demo, you will gain foundational knowledge for customizing the LTS5 interface and building more advanced IoT applications.
117 -
118 -
119 119  == 2.2  Install Software Running Environment ==
120 120  
121 121  
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.
120 +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.
123 123  
124 124  
125 -=== 2.2.1 Install VS Code and ESP-IDF extension ===
123 +=== 2.2.1 Install VSCode and ESP-IDF extension ===
126 126  
127 127  
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]].
126 +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]].
129 129  
130 -Next, install the **ESP-IDF** extension within **VS Code**. Detailed steps for this process are shown in Image 1.
128 +Next, you need to install the ESP-IDF extension within VSCode. The detailed operation steps are illustrated in image 1.
131 131  
132 -
133 133  [[image:image-20240928110211-5.png||height="508" width="866"]]
134 134  
135 - Image 1: ESP-IDF extension install
132 + image 1 ESP-IDF extension install
136 136  
137 137  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]]
138 138  
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140 140  === 2.2.2 Install SquareLine Studio ===
141 141  
142 142  
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.
140 +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]].
144 144  
145 -[[image:squareline.io_downloads.png]]
142 +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.
146 146  
147 147  
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:
145 +== 2.3 Simple usage of SquareLine Studio and export UI code ==
149 149  
150 -* Max. 10 screens
151 -* Max. 150 widgets
152 -* Max. 5 global colors
153 -* Max. 2 themes
154 -* Max. 1 component
155 155  
156 -== 2.3 Simple usage of SquareLine Studio and exporting UI code ==
148 +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.
157 157  
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 -
167 167  [[image:image-20240928103357-2.png||height="680" width="708"]]
168 168  
169 - Image 2: Creating a new SquareLine project
152 + image 2 create a SquareLine project
170 170  
154 +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.
171 171  
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 -
176 176  [[image:1727229582471-566.png]]
177 177  
178 - Image 3 accessing project settings
158 + image 3 project settings
179 179  
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 -
187 187  [[image:image-20240928105309-4.png||height="526" width="556"]]
188 188  
189 - Image 4 Configure/modify project settings
162 + image 4 modify project settings
190 190  
164 +Now we can start to use this software. Here are some usage information for this software.
191 191  
192 -Now you can start building the sample UI. Follow the steps below:
166 +**~1. add widget**
193 193  
168 +To add a widget, you should click a widget you want to add at the area entitled “Widgets”. In image , demonstrate a add process of label, button, and image 5.
194 194  
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 -
201 201  [[image:image-20240928111412-6.png||height="526" width="864"]]
202 202  
203 - Image 5: Add widgets
172 + image 5 add widgets
204 204  
205 -=== Modify widget properties ===
174 +**2. modify widget**
206 206  
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.
176 +The area for modifying widgets is called "Inspector". There are four parts in the "Inspector" tab. We use three of them more frequently, excluding "COMPONENT". The second part is aimed at adjusting the layout, size, position, alignment, flags, and states, etc. of widgets. The name of the second part indicates the type of widget it is representing, and in image 6, it is "BUTTON".
208 208  
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 -
211 211  [[image:1727485118799-984.png]]
212 212  
213 - Image 6: The button widget's "Inspector" tab
180 + image 6 the button widget's "Inspector" tab
214 214  
182 +Second part: "Layout" means a auto position-management for widgets contained in the parent widget. "Transform" includes size, position and align modification.
215 215  
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 -
222 222  [[image:1727485251053-655.png]]
223 223  
224 -Image 7: The button widget's "BUTTON" tab
186 +image 7 the button widget's "BUTTON" tab
225 225  
188 +Third part: It is an area of style setting.
226 226  
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.
190 +Fourth part: It is an area for adding events. In image 8, it is adding a click event to a button. If the button is clicked after the click event is added as shown in image 8, the current screen will fade into another specified screen, and the switching process will last 500ms.
228 228  
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 -
236 236  [[image:1727485480434-713.png||height="395" width="290"]]
237 237  
238 - Image 8: Add an event for the button
194 + image 8 add event for button
239 239  
196 +**3. change label widget content**
240 240  
241 -==== Changing the label properties ====
198 +Modify the content in text as shown in image 9, the text content of label widget will be changed accordingly.
242 242  
243 -Click the label. Under the **Label** section, type "Click For Detail" in the **Text** textbox.
244 -
245 -
246 246  [[image:image-20240928090825-1.png||height="327" width="391"]]
247 247  
248 - Image 9:  Modify text of label widget
202 + image 9 modify text content of label widget
249 249  
204 +**4. Add image into project**
250 250  
251 -==== 4. Changing image properties ====
252 -
253 253  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.
254 254  
255 255  [[image:image-20240928113424-9.png||height="355" width="505"]]
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260 260  
261 261   image 11 use image widget in SquareLine Studio
262 262  
216 +**5. The relationship between widgets**
263 263  
264 -==== 5. The relationship between widgets ====
218 +There are two common relationships between widgets: one is parallel, the other is parent-child. The parallel relationship means that widgets' relative position is based on a collective object of reference. In parent-child relationship, the parts of the child object that are outside the boundaries of the parent object are not visible by default. Therefore, we need to adjust the position of the child object so that it falls within the range of the parent object, allowing it to be seen as illustrated in image 13.
265 265  
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 -
271 271  [[image:1727486567182-334.png||height="318" width="278"]]
272 272  
222 +image 12 move label1 to make label1 widget be a child of button1 widget(1)
273 273  
274 -Move **Label1** to make it a child of **Button1**. See Image 13.
275 -
276 276  [[image:image-20240928112001-8.png||height="431" width="796"]]
277 277  
278 - Image 13: Move Label1 to make it a child of Button1.
226 + image 13 move label1 to make label1 widget be a child of button1 widget(2)
279 279  
228 +**6. Preview the final effect**
280 280  
281 -**6. Preview the screen**
230 +An advantage of this kind of software is that you can edit the UI with quick previews. In other words, it provides a way of combining graphical programming with simulation immediately.
282 282  
283 -You can test the result by clicking on the **PLAY** button. The screen will change into play mode. See Image 14.
284 -
285 285  [[image:1727487368023-281.png]]
286 286  
287 - Image 14: Simulating the project
234 + image 14 click on the triangle icon to start or end the simulation
288 288  
236 +For more detailed usage, please visit the official link: [[SquareLine Studio 1.4.2 Documentation ~| SquareLine Studio>>url:https://docs.squareline.io/docs/squareline/]].
289 289  
290 -For more information, please visit the official link: [[SquareLine Studio 1.4.2 Documentation ~| SquareLine Studio>>url:https://docs.squareline.io/docs/squareline/]].
291 291  
292 -
293 293  == 2.4 Integrate UI Code to ESP-IDF Project ==
294 294  
295 295  
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