【lvgl】01 |
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【lvgl】01
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目录前言linux安装SDL2官方推荐方式CMake方式移植lvgl v8.0目录框架拉取lvgl添加lv_conf.h和lv_drv_conf.h配置文件lv_conf.hlv_drv_conf.h构建main.c构建自己的CMAKE编译
前言
本次笔记主要记录博主移植lvgl到linux上的过程，方便调试。 两种编译方式： 移植官方推荐的lvgl，基于linux SDL2，makefile编译方式。 另外还会分别移植lvgl v8.0 和 lvgl v8.3两个版本。都是基于SDL2多媒体框架和CMAKE编译。 lvgl v8.3版本后面有时间再整理出来。原文：李柱明博客 参考： 官方：https://docs.lvgl.io linux安装SDL2 sudo apt-get update && sudo apt-get install -y build-essential libsdl2-dev 官方推荐方式参考： Simulator project for LVGL embedded GUI Library：https://github.com/lvgl/lv_port_pc_vscode拉取lvgl PC 模拟子模块vscode sdl： git clone --recursive https://github.com/lvgl/lv_sim_vscode_sdl下载完如下图：
然后直接make： make转到lv_sim_vscode_sdl/build/bin执行demo固件即可： ./demo结果如图：
如果上述clone下面这三个库时较慢，可以手动下载库文件，再复制到lv_sim_vscode_sdl目录下对应的目录中：（选同一版本） lvgl库下载 ：https://github.com/lvgl/lvgl.git lvgl_drivers库下载 ：https://github.com/lvgl/lv_drivers.git lv_examples库下载 ：https://github.com/lvgl/lv_examples.git CMake方式移植lvgl v8.0打算搭建自己学习、调试lvgl的SDK，用CMAKE编译，所以就自己手把手构建SDK和移植lvgl。 目录框架目录构建如下： app：专门存放学习、调试的UI app程序。 build：用于编译。 lib：第三方库。 src：主要起始文件，如main.c。 ui：lvgl源码、lvgl驱动等UI库文件。 CMakeLists.txt：cmake编译顶层文件。
拉取lvgl
进入ui文件夹，clone两个库： git clone -b release/v8.0 https://github.com/lvgl/lvgl.git git clone -b release/v8.0 https://github.com/lvgl/lv_drivers.git
添加lv_conf.h：在lvgl目录下 cp lv_conf_template.h lv_conf.h使能该文件：改成1 #if 1 /*Set it to "1" to enable content*/ lv_drv_conf.h 添加lv_drv_conf.h：在lvgl目录下 cp lv_drv_conf_template.h lv_drv_conf.h 使能该文件：改成1 #if 1 /*Set it to "1" to enable content*/开启SDL需要的宏： 把USE_MONITOR宏改成1。我们用monitor来模拟。 USE_MOUSE改成1。用到鼠标。 USE_MOUSEWHEEL改成1。鼠标滚轮也用到。 USE_KEYBOARD改成1。用到键盘。 构建main.c可以直接拷贝lv_sim_vscode_sdl/main/src/m*。 我把该目录下的两个文件都cp过来了。main.c把头文件改成如下： /********************* * INCLUDES *********************/ #define _DEFAULT_SOURCE /* needed for usleep() */ #include #include #define SDL_MAIN_HANDLED /*To fix SDL's "undefined reference to WinMain" issue*/ #include #include "lvgl.h" #include "examples/lv_examples.h" #include "monitor.h" #include "mouse.h" #include "keyboard.h" #include "mousewheel.h" main.c把lv_demo_widgets();demo注释掉。 mouse_cursor_icon.c的头文件改成： #include "lvgl.h" 构建自己的CMAKElvgl 8.0版本我打算全盘使用自己构建的cmake。 lvgl 8.3版本我打算兼容原生库的构建的cmake。 顶层目录下的cmake： cmake_minimum_required(VERSION 3.0.0) set(target lzm_lvgl_test_bin) project(${target} VERSION 0.1.0) set(src_lvgl_test src/main.c src/mouse_cursor_icon.c ) add_executable(${target} ${src_lvgl_test}) include_directories(/usr/include) target_link_libraries(${target} PRIVATE lzm_lvgl_lib lzm_lvgl_drv_lib) target_link_libraries(${target} PRIVATE SDL2) add_subdirectory(ui)./ui： target_compile_definitions(${target} PUBLIC "-DLV_CONF_INCLUDE_SIMPLE") target_compile_definitions(${target} PUBLIC "-DLV_LVGL_H_INCLUDE_SIMPLE") add_subdirectory(lvgl) add_subdirectory(lv_drivers)./ui/lvgl： set(target lzm_lvgl_lib) add_library(${target} STATIC) target_compile_definitions(${target} PUBLIC "-DLV_CONF_INCLUDE_SIMPLE") target_compile_definitions(${target} PUBLIC "-DLV_LVGL_H_INCLUDE_SIMPLE") target_include_directories(${target} PUBLIC ./) target_include_directories(${target} PUBLIC ./src) target_include_directories(${target} PUBLIC ./src/core) target_include_directories(${target} PUBLIC ./src/draw) target_include_directories(${target} PUBLIC ./src/extra) target_include_directories(${target} PUBLIC ./src/font) target_include_directories(${target} PUBLIC ./src/gpu) target_include_directories(${target} PUBLIC ./src/hal) target_include_directories(${target} PUBLIC ./src/misc) target_include_directories(${target} PUBLIC ./src/widgets) # app include target_include_directories(${target} PUBLIC ./examples) # app src file(GLOB_RECURSE src_lvgl_app examples/*.c) file(GLOB_RECURSE src_lvgl src/*.c) target_sources(${target} PRIVATE ${src_lvgl} ${src_lvgl_app} )./ui/lv_drivers： set(target lzm_lvgl_drv_lib) add_library(${target} STATIC) target_link_libraries(${target} PUBLIC lzm_lvgl_lib) target_include_directories(${target} PUBLIC ./) target_include_directories(${target} PUBLIC ./display) target_include_directories(${target} PUBLIC ./gtkdrv) target_include_directories(${target} PUBLIC ./indev) target_include_directories(${target} PUBLIC ./wayland) target_include_directories(${target} PUBLIC ./win32drv) file(GLOB_RECURSE src_lvgl_drv ./*.c) target_sources(${target} PRIVATE ${src_lvgl_drv} ) 编译 在./build路径下进行cmake ..：结果如下，Makefile创建成功： jamie@lzm-vm-linux:~/work/study/lvgl/lzm_lvgl_v8.0/build$ cmake .. -- The C compiler identification is GNU 9.4.0 -- The CXX compiler identification is GNU 9.4.0 -- Detecting C compiler ABI info -- Detecting C compiler ABI info - done -- Check for working C compiler: /usr/bin/cc - skipped -- Detecting C compile features -- Detecting C compile features - done -- Detecting CXX compiler ABI info -- Detecting CXX compiler ABI info - done -- Check for working CXX compiler: /usr/bin/c++ - skipped -- Detecting CXX compile features -- Detecting CXX compile features - done -- Configuring done -- Generating done -- Build files have been written to: /home/jamie/work/study/lvgl/lzm_lvgl_v8.0/build jamie@lzm-vm-linux:~/work/study/lvgl/lzm_lvgl_v8.0/build$ ls CMakeCache.txt CMakeFiles cmake_install.cmake Makefile ui 然后直接make，遇错就改： jamie@lzm-vm-linux:~/work/study/lvgl/lzm_lvgl_v8.0/build$ make [ 90%] Built target lzm_lvgl_lib Consolidate compiler generated dependencies of target lzm_lvgl_drv_lib [ 98%] Built target lzm_lvgl_drv_lib Consolidate compiler generated dependencies of target lzm_lvgl_test_bin [ 98%] Building C object CMakeFiles/lzm_lvgl_test_bin.dir/src/mouse_cursor_icon.c.o [ 99%] Linking C executable lzm_lvgl_test_bin [100%] Built target lzm_lvgl_test_bin jamie@lzm-vm-linux:~/work/study/lvgl/lzm_lvgl_v8.0/build$ 执行： jamie@lzm-vm-linux:~/work/study/lvgl/lzm_lvgl_v8.0/build$ ./lzm_lvgl_test_bin |
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