<
From version < 118.1 >
edited by Dilisi S
on 2024/12/22 15:13
To version < 123.2 >
edited by Xiaoling
on 2024/12/24 11:04
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1 -XWiki.pradeeka
1 +XWiki.Xiaoling
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102 102  * Smart Cities
103 103  * Smart Factory
104 104  
105 -= 2.  Getting Started with Hello World =
105 += 2.  Getting Started with 'Hello World' =
106 106  
107 107  == 2.1  About this demo ==
108 108  
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113 113  * Implementing functionality to navigate the Web UI to a new page when the button is clicked.
114 114  * Uploading the UI to the LTS5 device.
115 115  
116 -
117 117  By completing this demo, you will gain foundational knowledge for customizing the LTS5 interface and building more advanced IoT applications.
118 118  
119 119  
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120 120  == 2.2  Install Software Running Environment ==
121 121  
122 122  
123 -The **ESP MCU** supports development using **ESP-IDF**, **Arduino**, or **MicroPython**. For this project, we use **ESP-IDF** for compilation and **Visual Studio Code (VS Code)** as the development environment.
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.
124 124  
125 125  
126 -=== 2.2.1 Install VSCode and ESP-IDF extension ===
125 +=== 2.2.1 Install VS Code and ESP-IDF extension ===
127 127  
128 128  
129 -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]].
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]].
130 130  
131 -Next, you need to install the ESP-IDF extension within VSCode. The detailed operation steps are illustrated in image 1.
130 +Next, install the **ESP-IDF** extension within **VS Code**. Detailed steps for this process are shown in Image 1.
132 132  
132 +
133 133  [[image:image-20240928110211-5.png||height="508" width="866"]]
134 134  
135 - image 1 ESP-IDF extension install
135 + 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 -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]].
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.
144 144  
145 -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.
145 +[[image:squareline.io_downloads.png]]
146 146  
147 147  
148 -== 2.3 Simple usage of SquareLine Studio and export UI code ==
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:
149 149  
150 +* Max. 10 screens
151 +* Max. 150 widgets
152 +* Max. 5 global colors
153 +* Max. 2 themes
154 +* Max. 1 component
150 150  
151 -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.
156 +== 2.3 Simple usage of SquareLine Studio and exporting UI code ==
152 152  
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 +
153 153  [[image:image-20240928103357-2.png||height="680" width="708"]]
154 154  
155 - image 2 create a SquareLine project
169 + Image 2: Creating a new SquareLine project
156 156  
157 -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.
158 158  
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 +
159 159  [[image:1727229582471-566.png]]
160 160  
161 - image 3 project settings
178 + Image 3 accessing project settings
162 162  
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 +
163 163  [[image:image-20240928105309-4.png||height="526" width="556"]]
164 164  
165 - image 4 modify project settings
189 + Image 4 Configure/modify project settings
166 166  
167 -Now we can start to use this software. Here are some usage information for this software.
168 168  
169 -**~1. add widget**
192 +Now you can start building the sample UI. Follow the steps below:
170 170  
171 -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.
172 172  
195 +=== **Add widgets** ===
196 +
197 +
198 +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.
199 +
200 +Add a Label, Button, and Image to the screen as shown in **Image 5**.
201 +
173 173  [[image:image-20240928111412-6.png||height="526" width="864"]]
174 174  
175 - image 5 add widgets
204 + Image 5: Add widgets
176 176  
177 -**2. modify widget**
178 178  
179 -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".
207 +=== **Modify widget properties** ===
180 180  
209 +
210 +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.
211 +
212 +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.
213 +
181 181  [[image:1727485118799-984.png]]
182 182  
183 - image 6 the button widget's "Inspector" tab
216 + Image 6: The button widget's "Inspector" tab
184 184  
185 -Second part: "Layout" means a auto position-management for widgets contained in the parent widget. "Transform" includes size, position and align modification.
186 186  
219 +==== **Changing the Button properties** ====
220 +
221 +
222 +Click the Button.
223 +
224 +Under the "Layout" you can change the button's position and size.
225 +
187 187  [[image:1727485251053-655.png]]
188 188  
189 -image 7 the button widget's "BUTTON" tab
228 +Image 7: The button widget's "BUTTON" tab
190 190  
191 -Third part: It is an area of style setting.
192 192  
193 -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.
231 +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.
194 194  
233 +* Click **ADD EVENT** button.
234 +* Select **CLICKED** under the Trigger.
235 +* Select **Screen2** from **Screen to**.
236 +* Select **FADE ON** from **Fade mode**.
237 +* Enter **500** in the **Speed** text box.
238 +* Finally, click **ADD** button.
239 +
195 195  [[image:1727485480434-713.png||height="395" width="290"]]
196 196  
197 - image 8 add event for button
242 + Image 8: Add an event for the button
198 198  
199 -**3. change label widget content**
200 200  
201 -Modify the content in text as shown in image 9, the text content of label widget will be changed accordingly.
245 +==== **Changing the label properties** ====
202 202  
247 +
248 +Click the label. Under the **Label** section, type "Click For Detail" in the **Text** textbox.
249 +
203 203  [[image:image-20240928090825-1.png||height="327" width="391"]]
204 204  
205 - image 9 modify text content of label widget
252 + Image 9 Modify text of label widget
206 206  
207 -**4. Add image into project**
208 208  
255 +==== **Changing image properties** ====
256 +
257 +
209 209  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.
210 210  
211 211  [[image:image-20240928113424-9.png||height="355" width="505"]]
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216 216  
217 217   image 11 use image widget in SquareLine Studio
218 218  
219 -**5. The relationship between widgets**
220 220  
221 -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.
269 +==== **The relationship between widgets** ====
222 222  
271 +
272 +Widgets commonly have two types of relationships: **parallel** and **parent-child**.
273 +
274 +* In a **parallel relationship**, widgets' positions are determined relative to a shared reference object.
275 +* 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.
276 +
223 223  [[image:1727486567182-334.png||height="318" width="278"]]
224 224  
225 -image 12 move label1 to make label1 widget be a child of button1 widget(1)
226 226  
280 +Move **Label1** to make it a child of **Button1**. See Image 13.
281 +
227 227  [[image:image-20240928112001-8.png||height="431" width="796"]]
228 228  
229 - image 13 move label1 to make label1 widget be a child of button1 widget(2)
284 + Image 13: Move Label1 to make it a child of Button1.
230 230  
231 -**6. Preview the final effect**
232 232  
233 -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.
287 +==== **Preview the screen** ====
234 234  
289 +
290 +You can test the result by clicking on the **PLAY** button. The screen will change into play mode. See Image 14.
291 +
235 235  [[image:1727487368023-281.png]]
236 236  
237 - image 14 click on the triangle icon to start or end the simulation
294 + Image 14: Simulating the project
238 238  
239 -For more detailed usage, please visit the official link: [[SquareLine Studio 1.4.2 Documentation ~| SquareLine Studio>>url:https://docs.squareline.io/docs/squareline/]].
240 240  
297 +For more information, please visit the official link: [[SquareLine Studio 1.4.2 Documentation ~| SquareLine Studio>>url:https://docs.squareline.io/docs/squareline/]].
241 241  
299 +
242 242  == 2.4 Integrate UI Code to ESP-IDF Project ==
243 243  
244 244  
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300 300  
301 301  = 4. Example Project 2: LoRaWAN RS485 Alarm =
302 302  
303 -= 5.  The way to add a new panel to project =
361 += 5. The way to add a new panel to project =
304 304  
363 +
305 305  **~1. Design a panel in SquareLine Studio, using image 5.1 below as a reference.**
306 306  
307 307  [[image:image-20241121113445-1.png||height="584" width="934"]]
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308 308  
309 309   image 5.1 a panel about water_leak
310 310  
370 +
311 311  **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.
312 312  
313 313  [[image:image-20241121141120-4.png||height="383" width="795"]]
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314 314  
315 315   image 5.2 ui files exported
316 316  
377 +
317 317  **3. Delete or rename some file.** Here are the steps:
318 318  
319 319   Step1 Delete the 'components' directory.
... ... @@ -448,6 +448,7 @@
448 448  
449 449   image 5.26 ui_water_leak_events_.c after modification
450 450  
512 +
451 451  **12. Modify ui_water_leak_style.c file.**
452 452  
453 453  Step1. '#include "../ui.h"'~-~->#include '"../ui_water_leak.h"'
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464 464  
465 465   image 5.28 ui_water_leak_style.c (1) after modification
466 466  
529 +
467 467  Step2. modify 'void ui_ScreenMain_screen_init(void)'~-~->'panel_with_type create_water_leak(uint8_t index)'
468 468  
469 469   delete code as shown in image 5.29
... ... @@ -472,6 +472,7 @@
472 472  
473 473   image 5.29 ui_water_leak_style.c (2)
474 474  
538 +
475 475  Step3. The image 5.30, 5.31 show the change.
476 476  
477 477  [[image:image-20241122152026-45.png||height="277" width="828"]]
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482 482  
483 483   image 5.31 ui_water_leak_style.c (3) after modification
484 484  
549 +
485 485  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).
486 486  
487 487  [[image:image-20241122153958-47.png]]
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492 492  
493 493   image 5.33 ui_water_leak_style.c (4)
494 494  
560 +
495 495  Step5. Delete event function in code which was just pasted in extra_lib/sort.h(The process is shown in image 5.34).
496 496  
497 497  [[image:image-20241122155650-50.png||height="922" width="513"]]
... ... @@ -498,6 +498,7 @@
498 498  
499 499   image 5.34 ui_water_leak_style.c (5)
500 500  
567 +
501 501  Step6. Add some lines of code in extra_lib/sort.h as shown in image 5.35.
502 502  
503 503  [[image:image-20241122161934-51.png]]
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504 504  
505 505   image 5.35
506 506  
574 +
507 507  Step7. Add a line of code in extra_lib/sort.h as shown in image 5.36.
508 508  
509 509  [[image:image-20241122162852-53.png||height="330" width="529"]]
... ... @@ -510,6 +510,7 @@
510 510  
511 511   image 5.37
512 512  
581 +
513 513  Step8. Add some code in ui_water_leak_style.c as shown in image 5.38 from line534 to line 576 in detail.
514 514  
515 515  panel_with_type union_sensor;
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528 528  
529 529   image 5.38
530 530  
600 +
531 531  **13. Modify sort.c file.**
532 532  
533 533  Add a line of code ~-~-'#include "ui_water_leak.h"' as shown in image 5.39 line 16.
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