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发表于 2022-9-21 13:52:27
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本帖最后由 wintoflash 于 2022-10-1 13:37 编辑
4. 导入 LVGL 源码
在 grub-core 下建立 lvgl 文件夹
将 LVGL 源码目录下的 src 目录复制到 grub-core/lvgl/
将 LVGL 源码目录下的 lvgl.h 复制到 grub-core/lvgl/lvgl.h
创建文件夹 grub-core/lvgl/port
将 LVGL 源码目录下的 lv_conf_template.h 复制到 grub-core/lvgl/port/lv_conf.h
创建文件 grub-core/lvgl/port/module.c
- #include <grub/dl.h>
- GRUB_MOD_LICENSE ("GPLv3+");
修改 conf/Makefile.common，添加
- CFLAGS_LVGL = -Wno-discarded-qualifiers -Wno-redundant-decls -Wno-nested-externs -Wno-suggest-attribute=format -Wno-shadow -Wno-incompatible-pointer-types $(CFLAGS_POSIX)
- CPPFLAGS_LVGL = -I$(top_builddir)/grub-core/lvgl/port -DLV_CONF_INCLUDE_SIMPLE $(CPPFLAGS_POSIX)
- CFLAGS_LVGLAPP = $(CFLAGS_POSIX)
- CPPFLAGS_LVGLAPP = $(CPPFLAGS_LVGL) -I$(top_builddir)/grub-core/lvgl
修改 grub-core/Makefile.core.def，添加
编辑 grub-core/lvgl/port/lv_conf.h，参考编译配置：
- /**
- * @file lv_conf.h
- * Configuration file for v8.3.1
- */
- /*
- * Copy this file as `lv_conf.h`
- * 1. simply next to the `lvgl` folder
- * 2. or any other places and
- * - define `LV_CONF_INCLUDE_SIMPLE`
- * - add the path as include path
- */
- /* clang-format off */
- #if 1 /*Set it to "1" to enable content*/
- #ifndef LV_CONF_H
- #define LV_CONF_H
- #include <stdint.h>
- /*====================
- COLOR SETTINGS
- *====================*/
- /*Color depth: 1 (1 byte per pixel), 8 (RGB332), 16 (RGB565), 32 (ARGB8888)*/
- #define LV_COLOR_DEPTH 32
- /*Swap the 2 bytes of RGB565 color. Useful if the display has an 8-bit interface (e.g. SPI)*/
- #define LV_COLOR_16_SWAP 0
- /*Enable features to draw on transparent background.
- *It's required if opa, and transform_* style properties are used.
- *Can be also used if the UI is above another layer, e.g. an OSD menu or video player.*/
- #define LV_COLOR_SCREEN_TRANSP 1
- /* Adjust color mix functions rounding. GPUs might calculate color mix (blending) differently.
- * 0: round down, 64: round up from x.75, 128: round up from half, 192: round up from x.25, 254: round up */
- #define LV_COLOR_MIX_ROUND_OFS 0
- /*Images pixels with this color will not be drawn if they are chroma keyed)*/
- #define LV_COLOR_CHROMA_KEY lv_color_hex(0x00ff00) /*pure green*/
- /*=========================
- MEMORY SETTINGS
- *=========================*/
- /*1: use custom malloc/free, 0: use the built-in `lv_mem_alloc()` and `lv_mem_free()`*/
- #define LV_MEM_CUSTOM 1
- #if LV_MEM_CUSTOM == 0
- /*Size of the memory available for `lv_mem_alloc()` in bytes (>= 2kB)*/
- #define LV_MEM_SIZE (48U * 1024U) /*[bytes]*/
- /*Set an address for the memory pool instead of allocating it as a normal array. Can be in external SRAM too.*/
- #define LV_MEM_ADR 0 /*0: unused*/
- /*Instead of an address give a memory allocator that will be called to get a memory pool for LVGL. E.g. my_malloc*/
- #if LV_MEM_ADR == 0
- #undef LV_MEM_POOL_INCLUDE
- #undef LV_MEM_POOL_ALLOC
- #endif
- #else /*LV_MEM_CUSTOM*/
- #define LV_MEM_CUSTOM_INCLUDE <stdlib.h> /*Header for the dynamic memory function*/
- #define LV_MEM_CUSTOM_ALLOC malloc
- #define LV_MEM_CUSTOM_FREE free
- #define LV_MEM_CUSTOM_REALLOC realloc
- #endif /*LV_MEM_CUSTOM*/
- /*Number of the intermediate memory buffer used during rendering and other internal processing mechanisms.
- *You will see an error log message if there wasn't enough buffers. */
- #define LV_MEM_BUF_MAX_NUM 16
- /*Use the standard `memcpy` and `memset` instead of LVGL's own functions. (Might or might not be faster).*/
- #define LV_MEMCPY_MEMSET_STD 1
- /*====================
- HAL SETTINGS
- *====================*/
- /*Default display refresh period. LVG will redraw changed areas with this period time*/
- #define LV_DISP_DEF_REFR_PERIOD 30 /*[ms]*/
- /*Input device read period in milliseconds*/
- #define LV_INDEV_DEF_READ_PERIOD 30 /*[ms]*/
- /*Use a custom tick source that tells the elapsed time in milliseconds.
- *It removes the need to manually update the tick with `lv_tick_inc()`)*/
- #define LV_TICK_CUSTOM 0
- #if LV_TICK_CUSTOM
- #define LV_TICK_CUSTOM_INCLUDE "Arduino.h" /*Header for the system time function*/
- #define LV_TICK_CUSTOM_SYS_TIME_EXPR (millis()) /*Expression evaluating to current system time in ms*/
- #endif /*LV_TICK_CUSTOM*/
- /*Default Dot Per Inch. Used to initialize default sizes such as widgets sized, style paddings.
- *(Not so important, you can adjust it to modify default sizes and spaces)*/
- #define LV_DPI_DEF 130 /*[px/inch]*/
- /*=======================
- * FEATURE CONFIGURATION
- *=======================*/
- /*-------------
- * Drawing
- *-----------*/
- /*Enable complex draw engine.
- *Required to draw shadow, gradient, rounded corners, circles, arc, skew lines, image transformations or any masks*/
- #define LV_DRAW_COMPLEX 1
- #if LV_DRAW_COMPLEX != 0
- /*Allow buffering some shadow calculation.
- *LV_SHADOW_CACHE_SIZE is the max. shadow size to buffer, where shadow size is `shadow_width + radius`
- *Caching has LV_SHADOW_CACHE_SIZE^2 RAM cost*/
- #define LV_SHADOW_CACHE_SIZE 0
- /* Set number of maximally cached circle data.
- * The circumference of 1/4 circle are saved for anti-aliasing
- * radius * 4 bytes are used per circle (the most often used radiuses are saved)
- * 0: to disable caching */
- #define LV_CIRCLE_CACHE_SIZE 4
- #endif /*LV_DRAW_COMPLEX*/
- /**
- * "Simple layers" are used when a widget has `style_opa < 255` to buffer the widget into a layer
- * and blend it as an image with the given opacity.
- * Note that `bg_opa`, `text_opa` etc don't require buffering into layer)
- * The widget can be buffered in smaller chunks to avoid using large buffers.
- *
- * - LV_LAYER_SIMPLE_BUF_SIZE: [bytes] the optimal target buffer size. LVGL will try to allocate it
- * - LV_LAYER_SIMPLE_FALLBACK_BUF_SIZE: [bytes] used if `LV_LAYER_SIMPLE_BUF_SIZE` couldn't be allocated.
- *
- * Both buffer sizes are in bytes.
- * "Transformed layers" (where transform_angle/zoom properties are used) use larger buffers
- * and can't be drawn in chunks. So these settings affects only widgets with opacity.
- */
- #define LV_LAYER_SIMPLE_BUF_SIZE (24 * 1024)
- #define LV_LAYER_SIMPLE_FALLBACK_BUF_SIZE (3 * 1024)
- /*Default image cache size. Image caching keeps the images opened.
- *If only the built-in image formats are used there is no real advantage of caching. (I.e. if no new image decoder is added)
- *With complex image decoders (e.g. PNG or JPG) caching can save the continuous open/decode of images.
- *However the opened images might consume additional RAM.
- *0: to disable caching*/
- #define LV_IMG_CACHE_DEF_SIZE 1
- /*Number of stops allowed per gradient. Increase this to allow more stops.
- *This adds (sizeof(lv_color_t) + 1) bytes per additional stop*/
- #define LV_GRADIENT_MAX_STOPS 2
- /*Default gradient buffer size.
- *When LVGL calculates the gradient "maps" it can save them into a cache to avoid calculating them again.
- *LV_GRAD_CACHE_DEF_SIZE sets the size of this cache in bytes.
- *If the cache is too small the map will be allocated only while it's required for the drawing.
- *0 mean no caching.*/
- #define LV_GRAD_CACHE_DEF_SIZE 4096
- /*Allow dithering the gradients (to achieve visual smooth color gradients on limited color depth display)
- *LV_DITHER_GRADIENT implies allocating one or two more lines of the object's rendering surface
- *The increase in memory consumption is (32 bits * object width) plus 24 bits * object width if using error diffusion */
- #define LV_DITHER_GRADIENT 1
- #if LV_DITHER_GRADIENT
- /*Add support for error diffusion dithering.
- *Error diffusion dithering gets a much better visual result, but implies more CPU consumption and memory when drawing.
- *The increase in memory consumption is (24 bits * object's width)*/
- #define LV_DITHER_ERROR_DIFFUSION 1
- #endif
- /*Maximum buffer size to allocate for rotation.
- *Only used if software rotation is enabled in the display driver.*/
- #define LV_DISP_ROT_MAX_BUF (10*1024)
- /*-------------
- * GPU
- *-----------*/
- /*Use Arm's 2D acceleration library Arm-2D */
- #define LV_USE_GPU_ARM2D 0
- /*Use STM32's DMA2D (aka Chrom Art) GPU*/
- #define LV_USE_GPU_STM32_DMA2D 0
- #if LV_USE_GPU_STM32_DMA2D
- /*Must be defined to include path of CMSIS header of target processor
- e.g. "stm32f769xx.h" or "stm32f429xx.h"*/
- #define LV_GPU_DMA2D_CMSIS_INCLUDE
- #endif
- /*Use SWM341's DMA2D GPU*/
- #define LV_USE_GPU_SWM341_DMA2D 0
- #if LV_USE_GPU_SWM341_DMA2D
- #define LV_GPU_SWM341_DMA2D_INCLUDE "SWM341.h"
- #endif
- /*Use NXP's PXP GPU iMX RTxxx platforms*/
- #define LV_USE_GPU_NXP_PXP 0
- #if LV_USE_GPU_NXP_PXP
- /*1: Add default bare metal and FreeRTOS interrupt handling routines for PXP (lv_gpu_nxp_pxp_osa.c)
- * and call lv_gpu_nxp_pxp_init() automatically during lv_init(). Note that symbol SDK_OS_FREE_RTOS
- * has to be defined in order to use FreeRTOS OSA, otherwise bare-metal implementation is selected.
- *0: lv_gpu_nxp_pxp_init() has to be called manually before lv_init()
- */
- #define LV_USE_GPU_NXP_PXP_AUTO_INIT 0
- #endif
- /*Use NXP's VG-Lite GPU iMX RTxxx platforms*/
- #define LV_USE_GPU_NXP_VG_LITE 0
- /*Use SDL renderer API*/
- #define LV_USE_GPU_SDL 0
- #if LV_USE_GPU_SDL
- #define LV_GPU_SDL_INCLUDE_PATH <SDL2/SDL.h>
- /*Texture cache size, 8MB by default*/
- #define LV_GPU_SDL_LRU_SIZE (1024 * 1024 * 8)
- /*Custom blend mode for mask drawing, disable if you need to link with older SDL2 lib*/
- #define LV_GPU_SDL_CUSTOM_BLEND_MODE (SDL_VERSION_ATLEAST(2, 0, 6))
- #endif
- /*-------------
- * Logging
- *-----------*/
- /*Enable the log module*/
- #define LV_USE_LOG 0
- #if LV_USE_LOG
- /*How important log should be added:
- *LV_LOG_LEVEL_TRACE A lot of logs to give detailed information
- *LV_LOG_LEVEL_INFO Log important events
- *LV_LOG_LEVEL_WARN Log if something unwanted happened but didn't cause a problem
- *LV_LOG_LEVEL_ERROR Only critical issue, when the system may fail
- *LV_LOG_LEVEL_USER Only logs added by the user
- *LV_LOG_LEVEL_NONE Do not log anything*/
- #define LV_LOG_LEVEL LV_LOG_LEVEL_WARN
- /*1: Print the log with 'printf';
- *0: User need to register a callback with `lv_log_register_print_cb()`*/
- #define LV_LOG_PRINTF 0
- /*Enable/disable LV_LOG_TRACE in modules that produces a huge number of logs*/
- #define LV_LOG_TRACE_MEM 1
- #define LV_LOG_TRACE_TIMER 1
- #define LV_LOG_TRACE_INDEV 1
- #define LV_LOG_TRACE_DISP_REFR 1
- #define LV_LOG_TRACE_EVENT 1
- #define LV_LOG_TRACE_OBJ_CREATE 1
- #define LV_LOG_TRACE_LAYOUT 1
- #define LV_LOG_TRACE_ANIM 1
- #endif /*LV_USE_LOG*/
- /*-------------
- * Asserts
- *-----------*/
- /*Enable asserts if an operation is failed or an invalid data is found.
- *If LV_USE_LOG is enabled an error message will be printed on failure*/
- #define LV_USE_ASSERT_NULL 1 /*Check if the parameter is NULL. (Very fast, recommended)*/
- #define LV_USE_ASSERT_MALLOC 1 /*Checks is the memory is successfully allocated or no. (Very fast, recommended)*/
- #define LV_USE_ASSERT_STYLE 1 /*Check if the styles are properly initialized. (Very fast, recommended)*/
- #define LV_USE_ASSERT_MEM_INTEGRITY 0 /*Check the integrity of `lv_mem` after critical operations. (Slow)*/
- #define LV_USE_ASSERT_OBJ 0 /*Check the object's type and existence (e.g. not deleted). (Slow)*/
- /*Add a custom handler when assert happens e.g. to restart the MCU*/
- #define LV_ASSERT_HANDLER_INCLUDE <stdint.h>
- #define LV_ASSERT_HANDLER while(1); /*Halt by default*/
- /*-------------
- * Others
- *-----------*/
- /*1: Show CPU usage and FPS count*/
- #define LV_USE_PERF_MONITOR 0
- #if LV_USE_PERF_MONITOR
- #define LV_USE_PERF_MONITOR_POS LV_ALIGN_BOTTOM_RIGHT
- #endif
- /*1: Show the used memory and the memory fragmentation
- * Requires LV_MEM_CUSTOM = 0*/
- #define LV_USE_MEM_MONITOR 0
- #if LV_USE_MEM_MONITOR
- #define LV_USE_MEM_MONITOR_POS LV_ALIGN_BOTTOM_LEFT
- #endif
- /*1: Draw random colored rectangles over the redrawn areas*/
- #define LV_USE_REFR_DEBUG 0
- /*Change the built in (v)snprintf functions*/
- #define LV_SPRINTF_CUSTOM 0
- #if LV_SPRINTF_CUSTOM
- #define LV_SPRINTF_INCLUDE <stdio.h>
- #define lv_snprintf snprintf
- #define lv_vsnprintf vsnprintf
- #else /*LV_SPRINTF_CUSTOM*/
- #define LV_SPRINTF_USE_FLOAT 0
- #endif /*LV_SPRINTF_CUSTOM*/
- #define LV_USE_USER_DATA 1
- /*Garbage Collector settings
- *Used if lvgl is bound to higher level language and the memory is managed by that language*/
- #define LV_ENABLE_GC 0
- #if LV_ENABLE_GC != 0
- #define LV_GC_INCLUDE "gc.h" /*Include Garbage Collector related things*/
- #endif /*LV_ENABLE_GC*/
- /*=====================
- * COMPILER SETTINGS
- *====================*/
- /*For big endian systems set to 1*/
- #ifdef GRUB_CPU_WORDS_BIGENDIAN
- #define LV_BIG_ENDIAN_SYSTEM 1
- #else
- #define LV_BIG_ENDIAN_SYSTEM 0
- #endif
- /*Define a custom attribute to `lv_tick_inc` function*/
- #define LV_ATTRIBUTE_TICK_INC
- /*Define a custom attribute to `lv_timer_handler` function*/
- #define LV_ATTRIBUTE_TIMER_HANDLER
- /*Define a custom attribute to `lv_disp_flush_ready` function*/
- #define LV_ATTRIBUTE_FLUSH_READY
- /*Required alignment size for buffers*/
- #define LV_ATTRIBUTE_MEM_ALIGN_SIZE 1
- /*Will be added where memories needs to be aligned (with -Os data might not be aligned to boundary by default).
- * E.g. __attribute__((aligned(4)))*/
- #define LV_ATTRIBUTE_MEM_ALIGN
- /*Attribute to mark large constant arrays for example font's bitmaps*/
- #define LV_ATTRIBUTE_LARGE_CONST
- /*Compiler prefix for a big array declaration in RAM*/
- #define LV_ATTRIBUTE_LARGE_RAM_ARRAY
- /*Place performance critical functions into a faster memory (e.g RAM)*/
- #define LV_ATTRIBUTE_FAST_MEM
- /*Prefix variables that are used in GPU accelerated operations, often these need to be placed in RAM sections that are DMA accessible*/
- #define LV_ATTRIBUTE_DMA
- /*Export integer constant to binding. This macro is used with constants in the form of LV_<CONST> that
- *should also appear on LVGL binding API such as Micropython.*/
- #define LV_EXPORT_CONST_INT(int_value) struct _silence_gcc_warning /*The default value just prevents GCC warning*/
- /*Extend the default -32k..32k coordinate range to -4M..4M by using int32_t for coordinates instead of int16_t*/
- #define LV_USE_LARGE_COORD 0
- /*==================
- * FONT USAGE
- *===================*/
- /*Montserrat fonts with ASCII range and some symbols using bpp = 4
- *https://fonts.google.com/specimen/Montserrat*/
- #define LV_FONT_MONTSERRAT_8 1
- #define LV_FONT_MONTSERRAT_10 0
- #define LV_FONT_MONTSERRAT_12 1
- #define LV_FONT_MONTSERRAT_14 1
- #define LV_FONT_MONTSERRAT_16 1
- #define LV_FONT_MONTSERRAT_18 1
- #define LV_FONT_MONTSERRAT_20 0
- #define LV_FONT_MONTSERRAT_22 0
- #define LV_FONT_MONTSERRAT_24 1
- #define LV_FONT_MONTSERRAT_26 0
- #define LV_FONT_MONTSERRAT_28 1
- #define LV_FONT_MONTSERRAT_30 0
- #define LV_FONT_MONTSERRAT_32 1
- #define LV_FONT_MONTSERRAT_34 0
- #define LV_FONT_MONTSERRAT_36 1
- #define LV_FONT_MONTSERRAT_38 0
- #define LV_FONT_MONTSERRAT_40 0
- #define LV_FONT_MONTSERRAT_42 0
- #define LV_FONT_MONTSERRAT_44 0
- #define LV_FONT_MONTSERRAT_46 0
- #define LV_FONT_MONTSERRAT_48 1
- /*Demonstrate special features*/
- #define LV_FONT_MONTSERRAT_12_SUBPX 1
- #define LV_FONT_MONTSERRAT_28_COMPRESSED 1 /*bpp = 3*/
- #define LV_FONT_DEJAVU_16_PERSIAN_HEBREW 1 /*Hebrew, Arabic, Persian letters and all their forms*/
- #define LV_FONT_SIMSUN_16_CJK 1 /*1000 most common CJK radicals*/
- /*Pixel perfect monospace fonts*/
- #define LV_FONT_UNSCII_8 1
- #define LV_FONT_UNSCII_16 1
- /*Optionally declare custom fonts here.
- *You can use these fonts as default font too and they will be available globally.
- *E.g. #define LV_FONT_CUSTOM_DECLARE LV_FONT_DECLARE(my_font_1) LV_FONT_DECLARE(my_font_2)*/
- #define LV_FONT_CUSTOM_DECLARE
- /*Always set a default font*/
- #define LV_FONT_DEFAULT &lv_font_montserrat_16
- /*Enable handling large font and/or fonts with a lot of characters.
- *The limit depends on the font size, font face and bpp.
- *Compiler error will be triggered if a font needs it.*/
- #define LV_FONT_FMT_TXT_LARGE 1
- /*Enables/disables support for compressed fonts.*/
- #define LV_USE_FONT_COMPRESSED 1
- /*Enable subpixel rendering*/
- #define LV_USE_FONT_SUBPX 0
- #if LV_USE_FONT_SUBPX
- /*Set the pixel order of the display. Physical order of RGB channels. Doesn't matter with "normal" fonts.*/
- #define LV_FONT_SUBPX_BGR 0 /*0: RGB; 1:BGR order*/
- #endif
- /*Enable drawing placeholders when glyph dsc is not found*/
- #define LV_USE_FONT_PLACEHOLDER 1
- /*=================
- * TEXT SETTINGS
- *=================*/
- /**
- * Select a character encoding for strings.
- * Your IDE or editor should have the same character encoding
- * - LV_TXT_ENC_UTF8
- * - LV_TXT_ENC_ASCII
- */
- #define LV_TXT_ENC LV_TXT_ENC_UTF8
- /*Can break (wrap) texts on these chars*/
- #define LV_TXT_BREAK_CHARS " ,.;:-_"
- /*If a word is at least this long, will break wherever "prettiest"
- *To disable, set to a value <= 0*/
- #define LV_TXT_LINE_BREAK_LONG_LEN 0
- /*Minimum number of characters in a long word to put on a line before a break.
- *Depends on LV_TXT_LINE_BREAK_LONG_LEN.*/
- #define LV_TXT_LINE_BREAK_LONG_PRE_MIN_LEN 3
- /*Minimum number of characters in a long word to put on a line after a break.
- *Depends on LV_TXT_LINE_BREAK_LONG_LEN.*/
- #define LV_TXT_LINE_BREAK_LONG_POST_MIN_LEN 3
- /*The control character to use for signalling text recoloring.*/
- #define LV_TXT_COLOR_CMD "#"
- /*Support bidirectional texts. Allows mixing Left-to-Right and Right-to-Left texts.
- *The direction will be processed according to the Unicode Bidirectional Algorithm:
- *https://www.w3.org/International/articles/inline-bidi-markup/uba-basics*/
- #define LV_USE_BIDI 1
- #if LV_USE_BIDI
- /*Set the default direction. Supported values:
- *`LV_BASE_DIR_LTR` Left-to-Right
- *`LV_BASE_DIR_RTL` Right-to-Left
- *`LV_BASE_DIR_AUTO` detect texts base direction*/
- #define LV_BIDI_BASE_DIR_DEF LV_BASE_DIR_AUTO
- #endif
- /*Enable Arabic/Persian processing
- *In these languages characters should be replaced with an other form based on their position in the text*/
- #define LV_USE_ARABIC_PERSIAN_CHARS 1
- /*==================
- * WIDGET USAGE
- *================*/
- /*Documentation of the widgets: https://docs.lvgl.io/latest/en/html/widgets/index.html*/
- #define LV_USE_ARC 1
- #define LV_USE_BAR 1
- #define LV_USE_BTN 1
- #define LV_USE_BTNMATRIX 1
- #define LV_USE_CANVAS 1
- #define LV_USE_CHECKBOX 1
- #define LV_USE_DROPDOWN 1 /*Requires: lv_label*/
- #define LV_USE_IMG 1 /*Requires: lv_label*/
- #define LV_USE_LABEL 1
- #if LV_USE_LABEL
- #define LV_LABEL_TEXT_SELECTION 1 /*Enable selecting text of the label*/
- #define LV_LABEL_LONG_TXT_HINT 1 /*Store some extra info in labels to speed up drawing of very long texts*/
- #endif
- #define LV_USE_LINE 1
- #define LV_USE_ROLLER 1 /*Requires: lv_label*/
- #if LV_USE_ROLLER
- #define LV_ROLLER_INF_PAGES 7 /*Number of extra "pages" when the roller is infinite*/
- #endif
- #define LV_USE_SLIDER 1 /*Requires: lv_bar*/
- #define LV_USE_SWITCH 1
- #define LV_USE_TEXTAREA 1 /*Requires: lv_label*/
- #if LV_USE_TEXTAREA != 0
- #define LV_TEXTAREA_DEF_PWD_SHOW_TIME 1500 /*ms*/
- #endif
- #define LV_USE_TABLE 1
- /*==================
- * EXTRA COMPONENTS
- *==================*/
- /*-----------
- * Widgets
- *----------*/
- #define LV_USE_ANIMIMG 1
- #define LV_USE_CALENDAR 1
- #if LV_USE_CALENDAR
- #define LV_CALENDAR_WEEK_STARTS_MONDAY 0
- #if LV_CALENDAR_WEEK_STARTS_MONDAY
- #define LV_CALENDAR_DEFAULT_DAY_NAMES {"Mo", "Tu", "We", "Th", "Fr", "Sa", "Su"}
- #else
- #define LV_CALENDAR_DEFAULT_DAY_NAMES {"Su", "Mo", "Tu", "We", "Th", "Fr", "Sa"}
- #endif
- #define LV_CALENDAR_DEFAULT_MONTH_NAMES {"January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"}
- #define LV_USE_CALENDAR_HEADER_ARROW 1
- #define LV_USE_CALENDAR_HEADER_DROPDOWN 1
- #endif /*LV_USE_CALENDAR*/
- #define LV_USE_CHART 1
- #define LV_USE_COLORWHEEL 1
- #define LV_USE_IMGBTN 1
- #define LV_USE_KEYBOARD 1
- #define LV_USE_LED 1
- #define LV_USE_LIST 1
- #define LV_USE_MENU 1
- #define LV_USE_METER 1
- #define LV_USE_MSGBOX 1
- #define LV_USE_SPAN 1
- #if LV_USE_SPAN
- /*A line text can contain maximum num of span descriptor */
- #define LV_SPAN_SNIPPET_STACK_SIZE 64
- #endif
- #define LV_USE_SPINBOX 1
- #define LV_USE_SPINNER 1
- #define LV_USE_TABVIEW 1
- #define LV_USE_TILEVIEW 1
- #define LV_USE_WIN 1
- /*-----------
- * Themes
- *----------*/
- /*A simple, impressive and very complete theme*/
- #define LV_USE_THEME_DEFAULT 1
- #if LV_USE_THEME_DEFAULT
- /*0: Light mode; 1: Dark mode*/
- #define LV_THEME_DEFAULT_DARK 0
- /*1: Enable grow on press*/
- #define LV_THEME_DEFAULT_GROW 1
- /*Default transition time in [ms]*/
- #define LV_THEME_DEFAULT_TRANSITION_TIME 80
- #endif /*LV_USE_THEME_DEFAULT*/
- /*A very simple theme that is a good starting point for a custom theme*/
- #define LV_USE_THEME_BASIC 1
- /*A theme designed for monochrome displays*/
- #define LV_USE_THEME_MONO 1
- /*-----------
- * Layouts
- *----------*/
- /*A layout similar to Flexbox in CSS.*/
- #define LV_USE_FLEX 1
- /*A layout similar to Grid in CSS.*/
- #define LV_USE_GRID 1
- /*---------------------
- * 3rd party libraries
- *--------------------*/
- /*File system interfaces for common APIs */
- /*API for fopen, fread, etc*/
- #define LV_USE_FS_STDIO 0
- #if LV_USE_FS_STDIO
- #define LV_FS_STDIO_LETTER '\0' /*Set an upper cased letter on which the drive will accessible (e.g. 'A')*/
- #define LV_FS_STDIO_PATH "" /*Set the working directory. File/directory paths will be appended to it.*/
- #define LV_FS_STDIO_CACHE_SIZE 0 /*>0 to cache this number of bytes in lv_fs_read()*/
- #endif
- /*API for open, read, etc*/
- #define LV_USE_FS_POSIX 0
- #if LV_USE_FS_POSIX
- #define LV_FS_POSIX_LETTER '\0' /*Set an upper cased letter on which the drive will accessible (e.g. 'A')*/
- #define LV_FS_POSIX_PATH "" /*Set the working directory. File/directory paths will be appended to it.*/
- #define LV_FS_POSIX_CACHE_SIZE 0 /*>0 to cache this number of bytes in lv_fs_read()*/
- #endif
- /*API for CreateFile, ReadFile, etc*/
- #define LV_USE_FS_WIN32 0
- #if LV_USE_FS_WIN32
- #define LV_FS_WIN32_LETTER '\0' /*Set an upper cased letter on which the drive will accessible (e.g. 'A')*/
- #define LV_FS_WIN32_PATH "" /*Set the working directory. File/directory paths will be appended to it.*/
- #define LV_FS_WIN32_CACHE_SIZE 0 /*>0 to cache this number of bytes in lv_fs_read()*/
- #endif
- /*API for FATFS (needs to be added separately). Uses f_open, f_read, etc*/
- #define LV_USE_FS_FATFS 0
- #if LV_USE_FS_FATFS
- #define LV_FS_FATFS_LETTER '\0' /*Set an upper cased letter on which the drive will accessible (e.g. 'A')*/
- #define LV_FS_FATFS_CACHE_SIZE 0 /*>0 to cache this number of bytes in lv_fs_read()*/
- #endif
- /*PNG decoder library*/
- #define LV_USE_PNG 1
- /*BMP decoder library*/
- #define LV_USE_BMP 1
- /* JPG + split JPG decoder library.
- * Split JPG is a custom format optimized for embedded systems. */
- #define LV_USE_SJPG 1
- /*GIF decoder library*/
- #define LV_USE_GIF 1
- /*QR code library*/
- #define LV_USE_QRCODE 0
- /*FreeType library*/
- #define LV_USE_FREETYPE 0
- #if LV_USE_FREETYPE
- /*Memory used by FreeType to cache characters [bytes] (-1: no caching)*/
- #define LV_FREETYPE_CACHE_SIZE (16 * 1024)
- #if LV_FREETYPE_CACHE_SIZE >= 0
- /* 1: bitmap cache use the sbit cache, 0:bitmap cache use the image cache. */
- /* sbit cache:it is much more memory efficient for small bitmaps(font size < 256) */
- /* if font size >= 256, must be configured as image cache */
- #define LV_FREETYPE_SBIT_CACHE 0
- /* Maximum number of opened FT_Face/FT_Size objects managed by this cache instance. */
- /* (0:use system defaults) */
- #define LV_FREETYPE_CACHE_FT_FACES 0
- #define LV_FREETYPE_CACHE_FT_SIZES 0
- #endif
- #endif
- /*Rlottie library*/
- #define LV_USE_RLOTTIE 0
- /*FFmpeg library for image decoding and playing videos
- *Supports all major image formats so do not enable other image decoder with it*/
- #define LV_USE_FFMPEG 0
- #if LV_USE_FFMPEG
- /*Dump input information to stderr*/
- #define LV_FFMPEG_DUMP_FORMAT 0
- #endif
- /*-----------
- * Others
- *----------*/
- /*1: Enable API to take snapshot for object*/
- #define LV_USE_SNAPSHOT 1
- /*1: Enable Monkey test*/
- #define LV_USE_MONKEY 0
- /*1: Enable grid navigation*/
- #define LV_USE_GRIDNAV 1
- /*1: Enable lv_obj fragment*/
- #define LV_USE_FRAGMENT 1
- /*1: Support using images as font in label or span widgets */
- #define LV_USE_IMGFONT 1
- /*1: Enable a published subscriber based messaging system */
- #define LV_USE_MSG 1
- /*1: Enable Pinyin input method*/
- /*Requires: lv_keyboard*/
- #define LV_USE_IME_PINYIN 1
- #if LV_USE_IME_PINYIN
- /*1: Use default thesaurus*/
- /*If you do not use the default thesaurus, be sure to use `lv_ime_pinyin` after setting the thesauruss*/
- #define LV_IME_PINYIN_USE_DEFAULT_DICT 1
- /*Set the maximum number of candidate panels that can be displayed*/
- /*This needs to be adjusted according to the size of the screen*/
- #define LV_IME_PINYIN_CAND_TEXT_NUM 6
- /*Use 9 key input(k9)*/
- #define LV_IME_PINYIN_USE_K9_MODE 0
- #if LV_IME_PINYIN_USE_K9_MODE == 1
- #define LV_IME_PINYIN_K9_CAND_TEXT_NUM 3
- #endif // LV_IME_PINYIN_USE_K9_MODE
- #endif
- /*==================
- * EXAMPLES
- *==================*/
- /*Enable the examples to be built with the library*/
- #define LV_BUILD_EXAMPLES 0
- /*===================
- * DEMO USAGE
- ====================*/
- /*Show some widget. It might be required to increase `LV_MEM_SIZE` */
- #define LV_USE_DEMO_WIDGETS 0
- #if LV_USE_DEMO_WIDGETS
- #define LV_DEMO_WIDGETS_SLIDESHOW 0
- #endif
- /*Demonstrate the usage of encoder and keyboard*/
- #define LV_USE_DEMO_KEYPAD_AND_ENCODER 0
- /*Benchmark your system*/
- #define LV_USE_DEMO_BENCHMARK 0
- #if LV_USE_DEMO_BENCHMARK
- /*Use RGB565A8 images with 16 bit color depth instead of ARGB8565*/
- #define LV_DEMO_BENCHMARK_RGB565A8 0
- #endif
- /*Stress test for LVGL*/
- #define LV_USE_DEMO_STRESS 0
- /*Music player demo*/
- #define LV_USE_DEMO_MUSIC 0
- #if LV_USE_DEMO_MUSIC
- #define LV_DEMO_MUSIC_SQUARE 0
- #define LV_DEMO_MUSIC_LANDSCAPE 0
- #define LV_DEMO_MUSIC_ROUND 0
- #define LV_DEMO_MUSIC_LARGE 0
- #define LV_DEMO_MUSIC_AUTO_PLAY 0
- #endif
- /*--END OF LV_CONF_H--*/
- #endif /*LV_CONF_H*/
- #endif /*End of "Content enable"*/
5. 创建测试模块
grub-core/Makefile.core.def
- module = {
- name = lvgltest;
- common = commands/lvgltest.c;
- cflags = '$(CFLAGS_LVGLAPP)';
- cppflags = '$(CPPFLAGS_LVGLAPP)';
- };
grub-core/commands/lvgltest.c
- /*
- * GRUB -- GRand Unified Bootloader
- * Copyright (C) 2022 A1ive
- *
- * GRUB is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * GRUB is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GRUB. If not, see <http://www.gnu.org/licenses/>.
- */
- #include <grub/types.h>
- #include <grub/misc.h>
- #include <grub/mm.h>
- #include <grub/err.h>
- #include <grub/dl.h>
- #include <grub/extcmd.h>
- #include <grub/i18n.h>
- #include <lvgl.h>
- GRUB_MOD_LICENSE ("GPLv3+");
- static grub_err_t
- grub_cmd_lvgl (grub_extcmd_context_t ctxt __attribute__ ((unused)),
- int argc __attribute__ ((unused)),
- char **args __attribute__ ((unused)))
- {
- lv_init ();
- grub_printf ("lv_init OK.\n");
- return 0;
- }
- static grub_extcmd_t cmd;
- GRUB_MOD_INIT(lvgltest)
- {
- cmd = grub_register_extcmd ("lvgltest", grub_cmd_lvgl, 0, 0,
- N_("LVGL test."), 0);
- }
- GRUB_MOD_FINI(lvgltest)
- {
- grub_unregister_extcmd (cmd);
- }
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