移植LVGL9到STM32MP

1万 · 2024-12-19 14:22

下载源代码
git clone https://github.com/lvgl/lv_port_linux.git
cd lv_port_linux_frame_buffer/
git submodule update --init --recursive
cd lv_port_linux

加载STM32 MPU SDK
source $HOME/STM32MPU_workspace/Developer-Package/SDK/environment-setup-cortexa7t2hf-neon-vfpv4-ostl-linux-gnueabi

修改CMakeLists.txt如下：
cmake_minimum_required(VERSION 3.10)
project(lvgl)

# 设置交叉编译
set(CMAKE_SYSTEM_NAME Linux)
set(CMAKE_SYSTEM_PROCESSOR arm)
# 这里指定的路径必须是使用的交叉编译器的绝对路径
set(CMAKE_C_COMPILER /home/dx/STM32MPU_workspace/Developer-Package/SDK/sysroots/x86_64-ostl_sdk-linux/usr/bin/arm-ostl-linux-gnueabi/arm-ostl-linux-gnueabi-gcc)
set(CMAKE_CXX_COMPILER /home/dx/STM32MPU_workspace/Developer-Package/SDK/sysroots/x86_64-ostl_sdk-linux/usr/bin/arm-ostl-linux-gnueabi/arm-ostl-linux-gnueabi-g++)

set(CMAKE_C_STANDARD 99)#C99 # lvgl officially support C99 and above
set(CMAKE_CXX_STANDARD 17)#C17
set(CMAKE_CXX_STANDARD_REQUIRED ON)

set(EXECUTABLE_OUTPUT_PATH ${PROJECT_SOURCE_DIR}/bin)

add_subdirectory(lvgl)
target_include_directories(lvgl PUBLIC ${PROJECT_SOURCE_DIR})

add_executable(main main.c mouse_cursor_icon.c)

# 注释掉这行，如果要使用DRM驱动，则需要放开这行
#include(${CMAKE_CURRENT_LIST_DIR}/lvgl/tests/FindLibDRM.cmake)
#include_directories(${Libdrm_INCLUDE_DIRS})

# 注释掉下面三个，这个是在PC端使用的
#find_package(SDL2)
#find_package(SDL2_image)
#include_directories(${SDL2_INCLUDE_DIRS} ${SDL2_IMAGE_INCLUDE_DIRS})

target_link_libraries(main lvgl lvgl::examples lvgl::demos lvgl::thorvg ${SDL2_LIBRARIES} ${SDL2_IMAGE_LIBRARIES} ${Libdrm_LIBRARIES} m pthread)
add_custom_target (run COMMAND ${EXECUTABLE_OUTPUT_PATH}/main DEPENDS main)

使用DRM驱动的话有些设备使用上述CMakeLists.txt即使把DRM驱动注释放开可能还是会编译报错，可尝试修改如下
cmake_minimum_required(VERSION 3.10)
project(lvgl)

# 设置交叉编译
set(CMAKE_SYSTEM_NAME Linux)
set(CMAKE_SYSTEM_PROCESSOR arm)
# 这里指定的路径必须是绝对路径
set(CMAKE_C_COMPILER /home/dx/STM32MPU_workspace/Developer-Package/SDK/sysroots/x86_64-ostl_sdk-linux/usr/bin/arm-ostl-linux-gnueabi/arm-ostl-linux-gnueabi-gcc)
set(CMAKE_CXX_COMPILER /home/dx/STM32MPU_workspace/Developer-Package/SDK/sysroots/x86_64-ostl_sdk-linux/usr/bin/arm-ostl-linux-gnueabi/arm-ostl-linux-gnueabi-g++)

set(CMAKE_C_STANDARD 99)#C99 # lvgl officially support C99 and above
set(CMAKE_CXX_STANDARD 17)#C17
set(CMAKE_CXX_STANDARD_REQUIRED ON)

set(EXECUTABLE_OUTPUT_PATH ${PROJECT_SOURCE_DIR}/bin)

add_subdirectory(lvgl)
add_executable(main main.c mouse_cursor_icon.c)

find_package(PkgConfig REQUIRED) # We use the platform independent pkg-config to find all the libs
pkg_check_modules(LIBDRM REQUIRED libdrm)
#pkg_check_modules(SDL2 REQUIRED sdl2)
#pkg_check_modules(SDL2_image REQUIRED SDL2_image)

target_include_directories(lvgl PUBLIC ${PROJECT_SOURCE_DIR})
#target_include_directories(lvgl PRIVATE ${SDL2_INCLUDE_DIRS})
#target_include_directories(lvgl PRIVATE ${SDL2_IMAGE_INCLUDE_DIRS})
target_include_directories(lvgl PRIVATE ${LIBDRM_INCLUDE_DIRS})

target_link_libraries(main PRIVATE lvgl) # Add '-static' if you want a standalone binary
target_link_libraries(main PRIVATE lvgl::examples)
target_link_libraries(main PRIVATE lvgl::demos)
target_link_libraries(main PRIVATE lvgl::thorvg)
#target_link_libraries(main PRIVATE ${SDL2_LIBRARIES})
#target_link_libraries(main PRIVATE ${SDL2_IMAGE_LIBRARIES})
target_link_libraries(main PRIVATE ${LIBDRM_LIBRARIES})
target_link_libraries(main PRIVATE m)
target_link_libraries(main PRIVATE pthread)

add_custom_target(run COMMAND ${EXECUTABLE_OUTPUT_PATH}/main DEPENDS main)

编译
mkdir build
cd build
cmake ..
make

生成文件在bin文件夹下，拷贝到板子上运行即可
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原文链接：https://blog.csdn.net/D_dx1/article/details/144466116