Setlist
logo

Ttgo lvgl



Ttgo lvgl. Is any form to change that? Thank you in advance. * I'll just wait for the 9. clearIRQ() watch. In the section Additional Boards Manager URLs, click the box on the right of the text block. AWatch. LVGL is the most popular free and open source embedded graphics library to create beautiful UIs for any MCU, MPU and display type. a watch project for the TTGO T-watch-2020 version 1. Firstly, download LVGL and put it to PlatformIO project’s “lib” folder. If only small areas changes (e. lv_gba_emu. 4. Alternatively, you can download whole project from my GitHub. ( can’t even open the file) it says LVGL demo on the ESP32-S3 4. 1 2 3. Then can I use somehow LVGL to reporoduce similar effect or I need engage LVGL gui and “direct A tag already exists with the provided branch name. esp32, v8. com/esp32-s3-par Dec 27, 2020 · Let's take a look at everything you need to prepare and execute on this device to start development. 11 b/ g/ n, BL V4. it always fails. T-watch-2020. [WIP] C++ binding for LVGL. The T-Watch 2020 is a real connected watch with a design reminiscent of the Apple Watch. h: No such file or directory. Pushed that in a hurry to demo the current state and issues. haverdude January 2, 2023, 8:31am 1. Apr 15, 2022 · Saved searches Use saved searches to filter your results more quickly Give the image a name that will be used within LVGL. com/setinvite. I have a project that I created the UI in Squareline Studio adding logic from lilygo’s factory example to support the hardware. 3. add the path as include path. Sep 17, 2021 · TomekK October 26, 2023, 8:28pm 2. txt. 1. You switched accounts on another tab or window. Padding and margin are only used by container-based objects. luavgl. How-to. h and change the first #if 0 to #if 1. Jul 8, 2020 · Head to the bottom of the VSCode screen and click the -> arrow to begin compiling and uploading the firmware to the connected device. h and change the first #if 0 to #if 1 to I finally received new Lily GO T-Display S3 development board. This is achieved by using the excellent lvgl graphics library. py menuconfig-go to components config/LVGL TFT display controller/Select predefined display configuration-Select TTGO T-Display-save config-compile with make May 24, 2023 · LilyGo ESP32 TTGO (soldered ST7789V 135x240) with esp-idf 5. Mar 30, 2020 · I tried to toggle the inverse switch in the menuconfig but it didn’t seem to make any difference. I then run the following: import lvgl as lv from ili9XXX import ili9341 import espidf as esp disp = ili9341(mhz=10,miso=12, mosi=13, clk=14, cs=4 I2C Manager ( i2c_manager) is a component that will let code in multiple threads talk to devices on the I2C ports without getting in each other's way. For anyone else using the converter and get the following: sketch\Roboto_80. In this you can set the library's basic behavior, disable unused modules and features, adjust the size of memory buffers in compile-time, etc. the jpeg will stored in the spiffs in ESP32. Feb 17, 2021 · 文章浏览阅读8. Sketch -> Inclued Library -> Manage Libraries -> Search for lvgl, install version v8. You can get extra free coupons using the link below:https://www. That’s correct. Configuration of the backlight controller can be found in menuconfig LVGL ESP Drivers -> LVGL TFT Display controller. A digital clock using STM32F411CE and ST7735 driving a 128x128 SPI display. EUC-Dash-ESP32 Jul 8, 2019 · Re: Looking to install Micropython with LVGL support on TTGO T-Display. Install dependent libraries. You need to find some digital font for example on google. AlexandrFedoroff March 14, 2023, 9:49am 1. The LVGL library can use UIs built with SquareLine Studio. Set the resolution of your display in LV_HOR_RES a text with Symbols. Using lvgl v7. Backlight control. c:1:23: fatal error: lvgl/lvgl. h copy lvgl/lv_conf_template. Set the resolution of your display in LV_HOR_RES LVGL demo project for ESP32; Using LVGL in your ESP-IDF project; Using lvgl_esp32_drivers in ESP-IDF project; Drivers. Free code Telegram: Contact @HomeLaboratoryChanel. h help. display_sleep() update_task. when selecting the predefined Display setting. 3" IPS TFT and the ESP32 2. by spierepf » Mon Jul 26, 2021 3:43 pm. It fail with a TFT_SPI_HOST not defined. {"payload":{"allShortcutsEnabled":false,"fileTree":{"src/lvgl":{"items":[{"name":"docs","path":"src/lvgl/docs","contentType":"directory"},{"name":"examples","path Jan 6, 2021 · Saved searches Use saved searches to filter your results more quickly Oct 9, 2020 · Description. Unimpressed cat with watch. This is the easiest way. It has all the features to create modern and To rotate the image use lv_image_set_rotation(img, angle). This tutorial will use 7. To generate a pixel array from a PNG, JPG or BMP image, use the Online image converter tool and set the converted image with its pointer: lv_img_set_src (img1, &converted_img_var); To make the variable visible in the C file, you need to declare it with LV_IMG Nov 15, 2021 · Hi. What MCU/Processor/Board and compiler are you using? Jan 27, 2023 · Hi everyone, First, thanks for allowing me to join the forum. . Managed to get something to build and install: Code: Select all. When LVGL is installed the followings needs to be done to configure it: Go to directory of the installed Arduino libraries. Sketch -> Inclued Library -> Manage Libraries -> Search for SensorLib, install version greater than v0. TTGO Digital Clock. Aug 27, 2022 · Video Sponsor is PCBWay. Select the type of image you want. The new Arduino method of loading libraries and boards makes this pretty straight forward. Add the mp3 files to the data directory in the root of the My-TTGO-Watch project and run: pio -t run uploadfs. Will spread out in other projects but it gives me a baseline. Chnage: Jun 16, 2020 · Live demos - Test LVGL in your browser | LVGL. Install the Arduino IDE. Set the resolution of your display in LV_HOR_RES Nov 7, 2020 · You signed in with another tab or window. or any other places and. Also, this video will be used as a stepping stone for mo 10/10/2023. LittlevGL by itself is very portable and can be used on many hardware devices and architectures. The buffer can be smaller than the screen. Choosing a binary will generate a . T-Display. Jan 2, 2023 · esp32. If you don't already have the ESP32 board library loaded, in the File menu, select Preferences. 6. The AceTime library, which, as of 1. Jan 17, 2022 · If I understend the idea I need to copy that file into \components\lvgl\src\font and than add this line CSRCS += lv_font_abhaya. Oct 13, 2021 · Hello Few days ago I decided to build GUI for my device using LVGL. But before that, you need to install this library which is a TFT Display library that we require for this task. I updated the submodules before building. Many Git commands accept both tag and branch names, so creating this branch may cause unexpected behavior. Choosing a variable will generate a standard C file that can be linked into your project. Dec 19, 2023 · How grids work in LVGL. Figure 23. I am trying to create a development environment using esp32 and lvgl. Nov 3, 2019 · ESP32, TTGO-T1, chip is of type ESP32D0WDQ6 (revision 1), having 4M of memory. The lv_timer_handler function should be called at max every 5 milliseconds. 在Arduino IDE 菜单中选择 工具 -> 开发板 -> TTGO T-Watch. T-Watch & LilyPi. Dec 8, 2022 · About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright LilyGo TTGO T-Watch projects list. In this video I will show you my Sep 14, 2021 · Skip to content Sep 6, 2022 · Update 2: After putting in some debug spew, the reboot is being triggered in LVGL internals - it is not happening in my code. py flash monitor. Building on Linux, MacOS and Windows (including Linux Subsystem on Windows 10) is supported. Step 2: Internet Clock Sketch for TTGO T Display. The only examples for the Arduino are for showing a "hello world" text message and a simple slider. Once the upload is complete, the watch should automatically start up and display the image of my (or your) cat. Check the available widgets, animations and effects right in your browser. pcbway. Should it be Jul 9, 2020 · Ok, I found the equivalent example in the TTGO-Twatch library examples. LVGL has its own configuration file called lv_conf. The quality of the transformation can be adjusted with lv_image A feature rich Arduino IDE compatible graphics and fonts library for 32-bit processors. Open the file and change the #if 0 at the beginning to Aug 5, 2019 · I created a Pure Micropython display driver for ILI9341 on ESP32. h and change the first #if 0 to #if 1 to Apr 19, 2021 · If not, check out his project because it is the foundation on which we built openHASP! Note: The firmware is currently still a pre-release version. h into the Arduino Libraries directory next to the lvgl library folder. We will also cover best practices for optimizing your LVGL GUIs for performance and memory usage. Feature Rich. The ArduinoJson library. So, I installed ESP-IDF V4. Currently I successfully create screen, some buttons, mouse pointer etc. See LICENSE. There is a configuration header file for LVGL called lv_conf. 11. Example using LVGL in ESP-IDF project. disp_get_inactive_time > 2000: power. I can see the backlight turning on but nothing is displayed. 16-bit value can make 65536 color variation so it also called 64K colors. Dec 12, 2022 · LVGL (Figure 23) is a popular open source embedded graphics library, used to create UIs for any MCU, MPU and display type. LVGL demo test. What MCU/Processor/Board and compiler are you using? Sep 24, 2019 · Yay, that worked! You may want to put some validation on that field to prevent anyone else falling into the same trap thinking it would default to ASCI. 1 (no diff trying with 4. To get lv_conf. When LVGL is installed, follow these configuration steps: Go to the directory of the installed Arduino libraries. The work is still in progress: https://github. simply next to the lvgl folder. User_Setup. h. Following the docs, I built lv_micropython with IDF 4. Mar 24, 2021 · Sign in to comment. So I think, you have to use a container object instead of a simple object. h" it does show the text on the screen. It also requires: The "official" watch library. About. There are several ways to get your feet wet with LVGL. Just did an attempt to get lvgl with an st7735 working on a lilygo t-dongle-s3 Got the button and rgb led working in 5 minutes, ran only into issues with the current lvgl release and esp-idf 5. Shortening the cycle of changing and fine-tuning the GUI. What have you tried so far? Trying the examples in esp-idf, esp-idf The TTGO T-Display is a board based on the ESP32 that includes a 1. openHASP started out as an HA SwitchPlate fork replacing the propriatary Nextion panel with a commodity display. More than 100 million people use GitHub to discover, fork, and contribute to over 420 million projects. A basic development board with LCD, and a built-in ESP32 chip as master control, supports daily entry-level programming. Mar 14, 2023 · Free sample Watch LilyGo 2020 V3 - My projects - LVGL Forum. Update Loop. This could be the perfect base for your next project. Use the GPS (L76) and display your position on the map (blue point). It is recommended to add LVGL as a submodule in your IDF project's git repo. ILI9341 (320x240) is connected to VSPI (changed menuconfig, but also some lines in disp_spi_init to replace HSPI by VSPI and prevent a DMA channel conflict with the SD card (would be nice to add this to Bodmer's TFT_eSPI is a graphics library for drawing to various displays, like the ILI9341, which is supported. x release of lvgl, which hopefully will work with the current espidf releases. Description I am trying to create a digital clock in LVGL. PlatformIO Firmware upload button. My projects. set_period(300000) Above does not work. For the use of lvgl please refer to lvgl docs. ⌚🗺️📍 A map on a TTGO T-Watch V2 using LVGL and ESP-IDF. " GitHub is where people build software. The TTGO has an on board SD card reader, connected to HSPI. apt-get update export DEBIAN_FRONTEND=noninteractive && apt-get install -yq build-essential libreadline-dev libffi-dev git pkg-config libsdl2-2. *This was made for TTGO T-Display. LVGL-DemoTest. On the other hand, PR to husky repo would break other (non lvgl) apps, so it would only make sense if husky was to target lvgl only or we find a way to blend both and have both (lvgl and non lvgl) app kinds. Display. lv_st7789 Hybrid MicroPython LVGL driver for ST7789 Displays. MicroPython works great on ESP32, but the most serious issue is still (as on most other MicroPython boards) limited When LVGL is installed the followings needs to be done to configure it: Go to directory of the installed Arduino libraries. Then build the project: Oct 10, 2023 · The issue I am having is that no matter which settings I choose for display size in Kconfig, I only get 320x320 pixels out of 320x480 on the display. This is a template for a project including (online)clock, wifi, screen. Jul 30, 2021 · TTGO-Clock. Old version TTGO T-Display is one of my favorite boards. In this case, the larger areas will be redrawn in multiple parts. Then you can update the text in the code. And I tested the hello-world example of get-started. I currently have below: import lvgl as lv if lv. Open lv_conf. Jan 14, 2023 · Important: unclear posts may not receive useful answers. ZIP Library -> Select LilyGo T-RGB. 在Arduino IDE 菜单中选择 文件 -> 示例 -> TTGO_TWatch_Library. For now, what you can do with the watch: Connect to WiFi and download map tiles from OpenStreetMap with a simple click on a black tile. 🔷 Install. 3" Display: https://www. Or called 16-bit color is a raw data format commonly used on the communication between MCU and color display. The remaining pixels do not change. 1 degree precision, so for 45. The board can be bought for a prize of less than 7$ (including shipping, prize seen on banggood). It can be used with the Arduino IDE to program a Pico to interface with an ILI9341 using SPI, 8 bit parallel or 16 bit parallel interfaces. These drivers use a built-in copy of I2C Manager to talk to the I2C port, but you can also use the I2C Manager component itself and have others play nice with LVGL and vice-versa. This work is licensed under the BSD 3-clause license. The T-Watch series concentrates in a mini 20mm thick case an ESP32 development board powered by LiPo battery and a color touch screen (or not). Set the resolution of your display in LV_HOR_RES To associate your repository with the ttgo-t-display topic, visit your repo's landing page and select "manage topics. However, if I add a call to lv_msg_subscribe in my ui. In this video I will show you featu Jun 19, 2021 · The compilation of examples code cannot succeed when configuring the environment for a TTGO T-Display board. Is there a way to make the LILYGO_WATCH_2020_V1 play Audio from SPIFFS without breaking LVGL? Mar 30, 2020 · LVGL Forum TTGO TM ST7789 Inverting colors. Carlos_Diaz March 30, 2020, 2:25pm 2. 0 version. I've spread enough printfs through the file anyway that it's rebooting after the last call to the get_dsc callback, but before it calls the render callback. This list shows the recommended way of learning the library: Read the Introduction page of the documentation (5 minutes) Read the Quick overview page of the documentation (15 minutes) Port LVGL to a board. First: the Items LV_TFT_DISPLAY_X_OFFSET and LV_TFT_DISPLAY_Y_OFFSET are not set correctly because of different item GIF library for LVGL. button press) then only those areas will be Get started. In my project I want to draw in real time (30FPS or AFAP) on screen some interface related to my IMU. Copy this file as lv_conf. g. when using lvgl framework i registered a driver and try to read the same file through it. kisvegabor closed this as completed on Jan 5, 2019. I discovered a problem when configuring a TTGO T-Display with menuconfig. Jun 17, 2022 · hi all, im a noob and i am having issues with the part of my code that i just implemented to count the button presses ive included the code below with some annotations,the code is still a big work in progress and im sort… a text with Symbols. com/MathieuDeprez/my_esp32_watch_base. I am trying to flash a TTGO display ESP32 with a GENERIC ESP32 board profile. Jun 28, 2023 · In this 16-lesson, step-by-step tutorial, we will guide you through the process of setting up LVGL on your ESP32 development board, creating a basic GUI application, and adding advanced features such as animation, themes, and touch input. idf. As always any advice is appreciated . It’s supported by Arm, STM32, NXP, Espressif, Nuvoton, Arduino, RT-Thread, Zephyr, NuttX, Adafruit and many more. By default, the pivot point of the rotation is the center of the image. 2 as the display graphics framework, the driver method has been implemented, you only need to call lvgl api according to your own needs. Software template for the LilyGo V3 programmable clock using the Arduino IDE. I’m using the T-watch-2020 esp32 microcontroller v1. Each color pixel represented by a 16-bit value, the first 5-bit is red value, following 6-bit is green value and then 5-bit blue value. 8" TFT with touch. TTGO T-Watch2020 is watch produced by LilyGo company. Select the Color format. x though) What do you want to achieve? “Hello world” using LVGL to show “hello world” on the ST7789V display. Description What MCU/Processor/Board and compiler are you using? LilyGo ESP32 TTGO (soldered ST7789V 135x240) with esp-idf 5. Here it is. At least, I'm fairly sure it's not. I tried to use canvas but it require too much ram. 13. lua + lvgl = luavgl An optimized lvgl Lua binding. The most important thing seems to be keeping the paramaters set low (as if the MP3 is too high quality the watch may crash during playback) Now the application can be built. JPG decoder for LVGL . To generate a pixel array from a PNG, JPG or BMP image, use the Online image converter tool and set the converted image with its pointer: lv_img_set_src (img1, &converted_img_var); To make the variable visible in the C file, you need to declare it with LV_IMG You signed in with another tab or window. Control of LCD's backlight is provided by separate module that is independent from the display driver. 1 version of the LVGL library. Angle has 0. 14 inch color display. Aug 9, 2021 · Hi, I’ve been searching all over to find a way to use lv_disp_get_inactive_time(disp) in Micropython. That's an incredible prize for an ESP32 including a display. Maybe it can be a feature request for 6. makerfabs. From your project's root directory: To associate your repository with the lvgl topic, visit your repo's landing page and select "manage topics. h next to the lvgl directory and rename it to lv_conf. 0-0 libsdl2-dev python3 May 8, 2023 · Hi, ESP32-WROVER with 4MB SPIRAM (TTGO T-Koala) + ILI9341 I’ve looked at the other threads on this subject but no luck following the advice so far. Hi, At Sep 15, 2020 · Margin and padding gets important when Layout or Auto-fit is used by other widgets. 8° set 458. ESP32 TTGO-TDisplay LVGL Template Hello world base project for TTGO-TDisplay board using LVGL. Bug (archived) esp32 TTGO TM. This builds with Arduino IDE version 1. 0, also requires the AceCommon library. c at the bottom of . They are having discount on 4 & 6 layers PCBs. ESP32 Display Controller (VGA, PAL/NTSC Color Composite, SSD1306, ST7789, ILI9341), PS/2 Mouse and Keyboard Controller, Graphics Library, Sound Engine, Game Engine and ANSI/VT Terminal - fdivitto/FabGL Sep 25, 2020 · Absolutely. c code, I get an immediate crash somewhere in that call. There are 3 possible configurations regarding the buffer size: One buffer LVGL draws the content of the screen into a buffer and sends it to the display. 3 Likes. An ESP32 TTGO T-Watch (2019 edition) Amiga-inspired Countdown Timer Watch. Modelling the GUI in a more abstract way by defining reusable composite objects, taking advantage of Python's language features such as Inheritance, Closures, List Comprehension, Generators, Exception Handling, Arbitrary Precision Integers and others. Unable to get LILYGO T-QT board working. Specifications MCU ESP32 Xtensa dual-core LX6 microprocessor Wireless Connectivity Wi-Fi 802. Jul 4, 2022 · Navigate with TTGO T-Display's builtin buttons - How-to - LVGL Forum. See the Porting guide or check the ready to use Projects. 8. Feel free to try it out. 7. mk file right? After that I need to use CONFIG_LV_FONT_CUSTOM and set in sdkconfig CONFIG_LV_FONT_CUSTOM_DECLARE “lv_font_abhaya” Am I right at this poi Mar 13, 2022 · Wi-Fi, bluetooth gibi ESP32 özelliklerinin yanında renkli ekran, küçük boyutlar ve bir çok farklı detaya sahip TTGO T-Display ESP32 ürününü sizin için incel LVGL now includes a Kconfig file which is used to configure most of the LVGL configuration options via menuconfig, so it's not necessary to use a custom lv_conf. and use lv_cont_set_layout based on the layout you want. lv_binding_cpp. So basic components are there, at the moment it's just a clock. Go to lvgl and copy lv_conf_template. pl and create Textarea from it. a RGB565. And to flash the device and monitor the output (press ctrl-T and then ctrl-X to exit) use: idf. 2+BLE Programming Platform Arduino-ide、Micropython Serial chip CH9102 Optional Flash: LVGL has its own configuration file called lv_conf. kisvegabor mentioned this issue on Jan 12, 2019. jeanvr July 4, 2022, 7:54pm 1. You signed out in another tab or window. ). The previous sketch was the basic Internet time sketch, for displaying that on the TTGO T1 board, we only have to use a simple function that lets us display anything on TTGO's display. Jul 3, 2020 · This works but it makes the LVGL fail. It is based on ESP32 chip and it can be programmed using Arduino IDE. 0;0 is the top left corner. To set the source of an image, use lv_img_set_src (img, src). You can modify this header to set the library's basic behavior, disable unused modules and features, adjust the size of buffers in compile-time, etc. Contribute to mdaskalov/esp32-idf-lvgl development by creating an account on GitHub. This driver adds support for 320x240, 240x240 and 135x240 ST7789 displays with rotations for the ESP32 to the LVGL MicroPython bindings. Copy lvgl/lv_conf_template. tft. With burn and crash debugging (I don’t have a debugger Open ArduinoIDE , Sketch -> Include Library -> Add . TTGO TDisplay Github Product page LVGL Core LVGL Drivers LVGL Example Repo Usage Clone and checkout submodules. It can be changed with lv_image_set_pivot(img, pivot_x, pivot_y) . You can easily try them on your MCU too! JimDrew June 16, 2020, 11:07am 3. If I remove the #include "Audio. Linux Framebuffer Driver; Generic MIPI DCS compatible LCD Controller driver; ILI9341 LCD Controller driver; Step-by-step Guide: How to use the LVGL v9 LCD drivers with STM32 devices; ST7735 LCD Controller driver Jun 1, 2023 · LilyGo ESP32 TTGO (soldered ST7789V 135x240) with esp-idf 5. h as lv_conf. backlight_fade(0) watch. Step 2: Get Your Watch Connected. Nov 20, 2020 · When you have your LCD up and running, next step is to adapt LVGL to your display setup. PWM - Allows brightness control (by Pulse-Width-Modulated signal) Drivers for ESP32 to be used with LVGL. Can’t find it. {"payload":{"allShortcutsEnabled":false,"fileTree":{"src":{"items":[{"name":"board","path":"src/board","contentType":"directory"},{"name":"drive","path":"src/drive Jun 12, 2022 · so i did find out that the lv_config file DOES belong in the lvgl library as a header file and i did at it in the SRC file inside of it but it also says inside the file. LVGL is used for creating the UI on the screen. Code to reproduce the issue-launch idf. py build. LVGL Game Boy Advance Emulator. It was confirmed that esp-idf works well. Product link:Makerfabs ESP32-S3 4. When I was using the IL9341 driver type, I had the same issues as ST7796 (which is what this display is supposed to have for controller chip). “Pure Micropython”, in this sense, means that all logic is implemented in Micropython, and uses the standard API for LittlevGL and ESP-SDK libraries. Installation This repository can be used to build MicroPython for ESP32 boards/modules with psRAM as well as for ESP32 boards/modules without psRAM. The problem is that when I try to flash, the selected port is /dev/ttyUSB0 instead of /dev/ttyACM0 which is the correct one. The library is targeted at 32-bit processors, it has been performance optimised for RP2040, STM32, ESP8266 and ESP32 types, other 32-bit processors may be used but will use the slower generic Arduino interface calls. lv_lib_split_jpg. I'll add the event handler code for the lv_scr_act() to this and test OK, I only get the Toggled and Clicked messages, no gesture events when I swipe. It's supported by industry leading vendors and projects like Arm, STM32, NXP, Espressif, Nuvoton, Arduino, RT-Thread, Zephyr, NuttX, Adafruit and many more. The box accommodates a specialized expansion card (Lora, GPS, GPRS, etc. i already uploaded the images and can successfully read the image using SPIFFS api. Note: Later instructions may not work if you use Arduino via Flatpak. LILYGO® TTGO T-Watch 2020 V3 ESP32. bin file that must be stored separately and read using the file support. Reload to refresh your session. Micropython + LVGL could be used for:¶ Fast prototyping GUI. Include this in the loop of your sketch to make sure the LVGL engine is running and updating the screen. If it would be called more frequently than that please use a non-blocking method to delay it. py menuconfig. @Pert, you are correct. Resources Dec 6, 2018 · lv_font_t structure has a number of pointers to const, There is no function for deleting font. My work is too crude for now to be a repo on its own. Hi, i was trying to navigate through LVGL objects with TTGO’s builtin buttons, but i didn’t find any way to assign LV_KEY_LEFT/RIGHT/ENTER to these button pins (0 and 35). i need to load a jpeg image and diplay it in TFT screen. h file. define LV_CONF_INCLUDE_SIMPLE. To build the project execute: idf. 4k次，点赞18次，收藏92次。LVGL使用1、显示图片2、显示中文3、完整代码4、显示效果开发环境 VS CodeESP32 TTGO TTGO屏幕135x240 LVGL全称Light and Versatile Graphics Library,是一个轻量级开源的嵌入式GUI库，界面精美，资源消耗小，可移植度高,全库采用纯 c 语言开发。 There is a configuration header file for LVGL called lv_conf. id ff jv by jk nv fn mj oe tk