Changes for page LTS5 LoRa HMI Touch Screen
Last modified by Dilisi S on 2025/02/26 19:24
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... ... @@ -21,18 +21,17 @@ 21 21 22 22 = 1. Introduction = 23 23 24 -== 1.1 What is LTS5 LoRa HMI touchscreen ==24 +== 1.1 What is the LTS5 LoRa HMI Touch Screen? == 25 25 26 26 27 -LTS5 is a (% style="color:blue" %)**LoRa / LoRaWAN HMI Touch Screen**(%%) designed for display purposeofIoT project. Ithave a **5.0"HMI touch screen**,and**support WiFi, Bluetooch, LoRa wireless protocol**.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. 28 28 29 -LTS5 is an OpenSource software project.TheMCUisESP32 and Dragino LA66 LoRa module. Therearelotsofdevelopment source for ESP32which can greatly reducethedevelopment time.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. 30 30 31 -The HMI touch screen of LTS5 **supports drap &drop design**.Developercanuse SquareLine to easily customize the display UI fordifferentapplication.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. 32 32 33 - LTS5 use LA66 LoRa module,this modulecan be program to support private LoRa protocol or LoRaWAN protocol.33 +The LA66 LoRa module can be programmed to support either private LoRa protocols or the LoRaWAN protocol. 34 34 35 - 36 36 == 1.2 Features == 37 37 38 38 ... ... @@ -48,7 +48,7 @@ 48 48 * 5V DC power 49 49 * IP Rating: IP52 50 50 51 -== 1.3 Specification == 50 +== 1.3 Specifications == 52 52 53 53 54 54 **LoRa**: ... ... @@ -87,7 +87,6 @@ 87 87 88 88 * External 5V DC power adapter 89 89 90 - 91 91 == 1.5 Storage & Operation Temperature == 92 92 93 93 ... ... @@ -94,7 +94,6 @@ 94 94 * Operation Temperature: -20 ~~ 70°C (No Dew) 95 95 * Storage Temperature: -30 ~~ 70°C (No Dew) 96 96 97 - 98 98 == 1.6 Applications == 99 99 100 100 ... ... @@ -105,31 +105,37 @@ 105 105 * Smart Cities 106 106 * Smart Factory 107 107 105 += 2. Getting Started with 'Hello World' = 108 108 109 -= 2. Getting Started with Hello World = 110 - 111 111 == 2.1 About this demo == 112 112 113 113 114 - In thisGettingStartedExample,wewill showhow to design a simpleDisplay UIand uploadittoLTS5.This UI has a button , when user click thebutton. TheWeb UI will jumpto anew page.110 +This getting started example demonstrates how to design and deploy a simple display UI for the LTS5 device. The example includes: 115 115 112 +* 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. 116 116 116 +By completing this demo, you will gain foundational knowledge for customizing the LTS5 interface and building more advanced IoT applications. 117 + 118 + 117 117 == 2.2 Install Software Running Environment == 118 118 119 119 120 -The ESP MCU canbedeveloped usingESP-IDF,For this project,weutilize ESP-IDF for compilation and Visual Studio Code (VSCode)forediting.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. 121 121 122 122 123 -=== 2.2.1 Install VSCode and ESP-IDF extension === 125 +=== 2.2.1 Install VS Code and ESP-IDF extension === 124 124 125 125 126 -First ly, download and install VSCode for yourcomputer's operating system from theofficial website:DownloadVisual 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]]. 127 127 128 -Next, you need toinstall the ESP-IDF extension within VSCode.Thedetailedoperationstepsareillustratedin image 1.130 +Next, install the **ESP-IDF** extension within **VS Code**. Detailed steps for this process are shown in Image 1. 129 129 132 + 130 130 [[image:image-20240928110211-5.png||height="508" width="866"]] 131 131 132 - image 1 ESP-IDF extension install135 + Image 1: ESP-IDF extension install 133 133 134 134 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]] 135 135 ... ... @@ -137,72 +137,121 @@ 137 137 === 2.2.2 Install SquareLine Studio === 138 138 139 139 140 - The versionwe are utilizing for this softwareis 1.4.2. You canownloaditfrom the officialink:[[SquareLineStudio - Downloadthecurrent 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. 141 141 142 - Please note that this software necessitates the registration of a license prior tousage, and various licenses come with distinctlimitations.Forinstance, 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 aperiod of 30 days without theneed for immediate registration.145 +[[image:squareline.io_downloads.png]] 143 143 144 144 145 - ==2.3 SimpleusageofSquareLine Studio and exportUIcode==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: 146 146 150 +* Max. 10 screens 151 +* Max. 150 widgets 152 +* Max. 5 global colors 153 +* Max. 2 themes 154 +* Max. 1 component 147 147 148 - Afterlaunchingand loggingin tothis software, createa project as shownin thefollowingimage2. Theversion of LVGL is 8.3.11.156 +== 2.3 Simple usage of SquareLine Studio and exporting UI code == 149 149 158 + 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 + 150 150 [[image:image-20240928103357-2.png||height="680" width="708"]] 151 151 152 - image 2createa SquareLine project169 + Image 2: Creating a new SquareLine project 153 153 154 -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. 155 155 172 +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 + 156 156 [[image:1727229582471-566.png]] 157 157 158 - image 3 project settings178 + Image 3 accessing project settings 159 159 180 + 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 + 160 160 [[image:image-20240928105309-4.png||height="526" width="556"]] 161 161 162 - image 4 modify project settings189 + Image 4 Configure/modify project settings 163 163 164 -Now we can start to use this software. Here are some usage information for this software. 165 165 166 - **~1.addwidget**192 +Now you can start building the sample UI. Follow the steps below: 167 167 168 -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. 169 169 195 +=== **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 + 170 170 [[image:image-20240928111412-6.png||height="526" width="864"]] 171 171 172 - image 5add widgets204 + Image 5: Add widgets 173 173 174 -**2. modify widget** 175 175 176 - Thearea for modifyingwidgetsis called "Inspector". There are fourparts in the"Inspector"tab. We use three of them more frequently, excluding "COMPONENT". Theecondpart 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** === 177 177 209 + 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 + 178 178 [[image:1727485118799-984.png]] 179 179 180 - image 6the button widget's "Inspector" tab216 + Image 6: The button widget's "Inspector" tab 181 181 182 -Second part: "Layout" means a auto position-management for widgets contained in the parent widget. "Transform" includes size, position and align modification. 183 183 219 +==== **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 + 184 184 [[image:1727485251053-655.png]] 185 185 186 - image 7the button widget's "BUTTON" tab228 +Image 7: The button widget's "BUTTON" tab 187 187 188 -Third part: It is an area of style setting. 189 189 190 - Fourth part: It is an area for adding events. In image 8,it isaddinga click event toabutton.Ifthe button is clicked aftertheclick eventisadded as showninimage8,the current screenwill fadeinto anotherspecifiedscreen,and the switchingprocesswilllast 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. 191 191 233 +* 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 + 192 192 [[image:1727485480434-713.png||height="395" width="290"]] 193 193 194 - image 8add event for button242 + Image 8: Add an event for the button 195 195 196 -**3. change label widget content** 197 197 198 - Modifythe content in textas shownimage9,thetext content oflabelwidgetwill bechanged accordingly.245 +==== **Changing the label properties** ==== 199 199 247 + 248 +Click the label. Under the **Label** section, type "Click For Detail" in the **Text** textbox. 249 + 200 200 [[image:image-20240928090825-1.png||height="327" width="391"]] 201 201 202 - image 9modify textcontent of label widget252 + Image 9: Modify text of label widget 203 203 204 -**4. Add image into project** 205 205 255 +==== **Changing image properties** ==== 256 + 257 + 206 206 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. 207 207 208 208 [[image:image-20240928113424-9.png||height="355" width="505"]] ... ... @@ -213,29 +213,38 @@ 213 213 214 214 image 11 use image widget in SquareLine Studio 215 215 216 -**5. The relationship between widgets** 217 217 218 -The rearetwo common relationshipsbetween 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** ==== 219 219 271 + 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 + 220 220 [[image:1727486567182-334.png||height="318" width="278"]] 221 221 222 -image 12 move label1 to make label1 widget be a child of button1 widget(1) 223 223 280 +Move **Label1** to make it a child of **Button1**. See Image 13. 281 + 224 224 [[image:image-20240928112001-8.png||height="431" width="796"]] 225 225 226 - image 13movelabel1 to makelabel1 widgetbea child ofbutton1widget(2)284 + Image 13: Move Label1 to make it a child of Button1. 227 227 228 -**6. Preview the final effect** 229 229 230 - Anadvantage of this kind of softwareis that you can edit the UI with quick previews.In otherwords, it provides a way ofcombining graphical programming with simulation immediately.287 +==== **Preview the screen** ==== 231 231 289 + 290 +You can test the result by clicking on the **PLAY** button. The screen will change into play mode. See Image 14. 291 + 232 232 [[image:1727487368023-281.png]] 233 233 234 - image 14click on thetriangleiconto start or end the simulation294 + Image 14: Simulating the project 235 235 236 -For more detailed usage, please visit the official link: [[SquareLine Studio 1.4.2 Documentation ~| SquareLine Studio>>url:https://docs.squareline.io/docs/squareline/]]. 237 237 297 +For more information, please visit the official link: [[SquareLine Studio 1.4.2 Documentation ~| SquareLine Studio>>url:https://docs.squareline.io/docs/squareline/]]. 238 238 299 + 239 239 == 2.4 Integrate UI Code to ESP-IDF Project == 240 240 241 241 ... ... @@ -297,8 +297,9 @@ 297 297 298 298 = 4. Example Project 2: LoRaWAN RS485 Alarm = 299 299 300 -= 5. 361 += 5. The way to add a new panel to project = 301 301 363 + 302 302 **~1. Design a panel in SquareLine Studio, using image 5.1 below as a reference.** 303 303 304 304 [[image:image-20241121113445-1.png||height="584" width="934"]] ... ... @@ -305,6 +305,7 @@ 305 305 306 306 image 5.1 a panel about water_leak 307 307 370 + 308 308 **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. 309 309 310 310 [[image:image-20241121141120-4.png||height="383" width="795"]] ... ... @@ -311,6 +311,7 @@ 311 311 312 312 image 5.2 ui files exported 313 313 377 + 314 314 **3. Delete or rename some file.** Here are the steps: 315 315 316 316 Step1 Delete the 'components' directory. ... ... @@ -445,6 +445,7 @@ 445 445 446 446 image 5.26 ui_water_leak_events_.c after modification 447 447 512 + 448 448 **12. Modify ui_water_leak_style.c file.** 449 449 450 450 Step1. '#include "../ui.h"'~-~->#include '"../ui_water_leak.h"' ... ... @@ -461,6 +461,7 @@ 461 461 462 462 image 5.28 ui_water_leak_style.c (1) after modification 463 463 529 + 464 464 Step2. modify 'void ui_ScreenMain_screen_init(void)'~-~->'panel_with_type create_water_leak(uint8_t index)' 465 465 466 466 delete code as shown in image 5.29 ... ... @@ -469,6 +469,7 @@ 469 469 470 470 image 5.29 ui_water_leak_style.c (2) 471 471 538 + 472 472 Step3. The image 5.30, 5.31 show the change. 473 473 474 474 [[image:image-20241122152026-45.png||height="277" width="828"]] ... ... @@ -479,6 +479,7 @@ 479 479 480 480 image 5.31 ui_water_leak_style.c (3) after modification 481 481 549 + 482 482 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). 483 483 484 484 [[image:image-20241122153958-47.png]] ... ... @@ -489,6 +489,7 @@ 489 489 490 490 image 5.33 ui_water_leak_style.c (4) 491 491 560 + 492 492 Step5. Delete event function in code which was just pasted in extra_lib/sort.h(The process is shown in image 5.34). 493 493 494 494 [[image:image-20241122155650-50.png||height="922" width="513"]] ... ... @@ -495,6 +495,7 @@ 495 495 496 496 image 5.34 ui_water_leak_style.c (5) 497 497 567 + 498 498 Step6. Add some lines of code in extra_lib/sort.h as shown in image 5.35. 499 499 500 500 [[image:image-20241122161934-51.png]] ... ... @@ -501,6 +501,7 @@ 501 501 502 502 image 5.35 503 503 574 + 504 504 Step7. Add a line of code in extra_lib/sort.h as shown in image 5.36. 505 505 506 506 [[image:image-20241122162852-53.png||height="330" width="529"]] ... ... @@ -507,6 +507,7 @@ 507 507 508 508 image 5.37 509 509 581 + 510 510 Step8. Add some code in ui_water_leak_style.c as shown in image 5.38 from line534 to line 576 in detail. 511 511 512 512 panel_with_type union_sensor; ... ... @@ -525,6 +525,7 @@ 525 525 526 526 image 5.38 527 527 600 + 528 528 **13. Modify sort.c file.** 529 529 530 530 Add a line of code ~-~-'#include "ui_water_leak.h"' as shown in image 5.39 line 16.
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