# Kconfig file for LVGL v8.0 menu "LVGL configuration" config LV_ATTRIBUTE_FAST_MEM_USE_IRAM bool "Set IRAM as LV_ATTRIBUTE_FAST_MEM" help Set this option to configure IRAM as LV_ATTRIBUTE_FAST_MEM config LV_CONF_MINIMAL bool "LVGL minimal configuration." # Define CONFIG_LV_CONF_SKIP so we can use LVGL # without lv_conf.h file, the lv_conf_internal.h and # lv_conf_kconfig.h files are used instead. config LV_CONF_SKIP bool default y menu "Color settings" choice prompt "Color depth." default LV_COLOR_DEPTH_16 help Color depth to be used. config LV_COLOR_DEPTH_32 bool "32: ARGB8888" config LV_COLOR_DEPTH_16 bool "16: RGB565" config LV_COLOR_DEPTH_8 bool "8: RGB232" config LV_COLOR_DEPTH_1 bool "1: 1 byte per pixel" endchoice config LV_COLOR_DEPTH int default 1 if LV_COLOR_DEPTH_1 default 8 if LV_COLOR_DEPTH_8 default 16 if LV_COLOR_DEPTH_16 default 32 if LV_COLOR_DEPTH_32 config LV_COLOR_16_SWAP bool "Swap the 2 bytes of RGB565 color. Useful if the display has a 8 bit interface (e.g. SPI)." depends on LV_COLOR_DEPTH_16 config LV_COLOR_SCREEN_TRANSP bool "Enable more complex drawing routines to manage screens transparency." depends on LV_COLOR_DEPTH_32 help Can be used if the UI is above another layer, e.g. an OSD menu or video player. Requires `LV_COLOR_DEPTH = 32` colors and the screen's `bg_opa` should be set to non LV_OPA_COVER value config LV_COLOR_CHROMA_KEY_HEX hex "Images pixels with this color will not be drawn (if they are chroma keyed)." range 0x000000 0xFFFFFF default 0x00FF00 help See misc/lv_color.h for some color values examples. endmenu menu "Memory settings" config LV_MEM_CUSTOM bool "If true use custom malloc/free, otherwise use the built-in `lv_mem_alloc()` and `lv_mem_free()`" config LV_MEM_SIZE_KILOBYTES int "Size of the memory used by `lv_mem_alloc` in kilobytes (>= 2kB)" range 2 128 default 32 depends on !LV_MEM_CUSTOM config LV_MEM_CUSTOM_INCLUDE string "Header to include for the custom memory function" default "stdlib.h" depends on LV_MEM_CUSTOM config LV_MEMCPY_MEMSET_STD bool "Use the standard memcpy and memset instead of LVGL's own functions" endmenu menu "HAL Settings" config LV_DISP_DEF_REFR_PERIOD int "Default display refresh period (ms)." default 30 help Can be changed in the display driver (`lv_disp_drv_t`). config LV_INDEV_DEF_READ_PERIOD int "Input device read period [ms]." default 30 config LV_TICK_CUSTOM bool prompt "Use a custom tick source" config LV_TICK_CUSTOM_INCLUDE string prompt "Header for the system time function" default "Arduino.h" depends on LV_TICK_CUSTOM config LV_DPI_DEF int "Default Dots Per Inch (in px)." default 130 help Used to initialize default sizes such as widgets sized, style paddings. (Not so important, you can adjust it to modify default sizes and spaces) endmenu menu "Feature configuration" menu "Drawing" config LV_DRAW_COMPLEX bool "Enable complex draw engine" default y help Required to draw shadow, gradient, rounded corners, circles, arc, skew lines, image transformations or any masks. config LV_SHADOW_CACHE_SIZE int "Allow buffering some shadow calculation" depends on LV_DRAW_COMPLEX default 0 help 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. config LV_IMG_CACHE_DEF_SIZE int "Default image cache size. 0 to disable caching." default 0 help If only the built-in image formats are used there is no real advantage of caching. (I.e. 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. config LV_DISP_ROT_MAX_BUF int "Maximum buffer size to allocate for rotation" default 10240 help Only used if software rotation is enabled in the display driver. endmenu menu "GPU" config LV_USE_GPU_STM32_DMA2D bool "Enable STM32 DMA2D (aka Chrom Art) GPU." config LV_GPU_DMA2D_CMSIS_INCLUDE string "include path of CMSIS header of target processor" depends on LV_USE_GPU_STM32_DMA2D default "" help Must be defined to include path of CMSIS header of target processor e.g. "stm32f769xx.h" or "stm32f429xx.h" config LV_USE_GPU_NXP_PXP bool "Use NXP's PXP GPU iMX RTxxx platforms." config LV_USE_GPU_NXP_PXP_AUTO_INIT bool "Call lv_gpu_nxp_pxp_init() automatically or manually." depends on LV_USE_GPU_NXP_PXP help 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(). config LV_USE_GPU_NXP_VG_LITE bool "Use NXP's VG-Lite GPU iMX RTxxx platforms." endmenu menu "Logging" config LV_USE_LOG bool "Enable the log module" choice bool "Default log verbosity" if LV_USE_LOG default LV_LOG_LEVEL_WARN help Specify how important log should be added. config LV_LOG_LEVEL_TRACE bool "A lot of logs to give detailed information" config LV_LOG_LEVEL_INFO bool "Log important events" config LV_LOG_LEVEL_WARN bool "Log if something unwanted happened but didn't cause a problem" config LV_LOG_LEVEL_ERROR bool "Only critical issues, when the system may fail" config LV_LOG_LEVEL_USER bool "Only logs added by the user" config LV_LOG_LEVEL_NONE bool "Do not log anything" endchoice config LV_LOG_LEVEL int default 0 if LV_LOG_LEVEL_TRACE default 1 if LV_LOG_LEVEL_INFO default 2 if LV_LOG_LEVEL_WARN default 3 if LV_LOG_LEVEL_ERROR default 4 if LV_LOG_LEVEL_USER default 5 if LV_LOG_LEVEL_NONE config LV_LOG_PRINTF bool "Print the log with 'printf'" if LV_USE_LOG help Use printf for log output. If not set the user needs to register a callback with `lv_log_register_print_cb`. config LV_LOG_TRACE_MEM bool "Enable/Disable LV_LOG_TRACE in mem module" default y depends on LV_USE_LOG config LV_LOG_TRACE_TIMER bool "Enable/Disable LV_LOG_TRACE in timer module" default y depends on LV_USE_LOG config LV_LOG_TRACE_INDEV bool "Enable/Disable LV_LOG_TRACE in indev module" default y depends on LV_USE_LOG config LV_LOG_TRACE_DISP_REFR bool "Enable/Disable LV_LOG_TRACE in disp refr module" default y depends on LV_USE_LOG config LV_LOG_TRACE_EVENT bool "Enable/Disable LV_LOG_TRACE in event module" default y depends on LV_USE_LOG config LV_LOG_TRACE_OBJ_CREATE bool "Enable/Disable LV_LOG_TRACE in obj create module" default y depends on LV_USE_LOG config LV_LOG_TRACE_LAYOUT bool "Enable/Disable LV_LOG_TRACE in layout module" default y depends on LV_USE_LOG config LV_LOG_TRACE_ANIM bool "Enable/Disable LV_LOG_TRACE in anim module" default y depends on LV_USE_LOG endmenu menu "Asserts" config LV_USE_ASSERT_NULL bool "Check if the parameter is NULL. (Very fast, recommended)" default y if !LV_CONF_MINIMAL config LV_USE_ASSERT_MALLOC bool "Checks if the memory is successfully allocated or no. (Very fast, recommended)" default y if !LV_CONF_MINIMAL config LV_USE_ASSERT_STYLE bool "Check if the styles are properly initialized. (Very fast, recommended)" config LV_USE_ASSERT_MEM_INTEGRITY bool "Check the integrity of `lv_mem` after critical operations. (Slow)" config LV_USE_ASSERT_OBJ bool "Check NULL, the object's type and existence (e.g. not deleted). (Slow)." endmenu menu "Others" config LV_USE_PERF_MONITOR bool "Show CPU usage and FPS count in the right bottom corner." config LV_USE_MEM_MONITOR bool "Show the used memory and the memory fragmentation in the left bottom corner. Requires LV_MEM_CUSTOM = 0" config LV_USE_REFR_DEBUG bool "Draw random colored rectangles over the redrawn areas." config LV_SPRINTF_CUSTOM bool "Change the built-in (v)snprintf functions" config LV_SPRINTF_USE_FLOAT bool "Enable float in built-in (v)snprintf functions" depends on !LV_SPRINTF_CUSTOM config LV_USE_USER_DATA bool "Add a 'user_data' to drivers and objects." default y endmenu menu "Compiler settings" config LV_BIG_ENDIAN_SYSTEM bool "For big endian systems set to 1" config LV_USE_LARGE_COORD bool "Extend the default -32k..32k coordinate range to -4M..4M by using int32_t for coordinates instead of int16_t" endmenu config LV_USE_USER_DATA_FREE bool "Free the user data field upon object deletion" depends on LV_USE_USER_DATA config LV_USER_DATA_FREE_INCLUDE string "Header for user data free function" default "something.h" depends on LV_USE_USER_DATA_FREE config LV_USER_DATA_FREE string "Invoking for user data free function. It has the lv_obj_t pointer as single parameter." default "(user_data_free)" depends on LV_USE_USER_DATA_FREE config LV_USE_API_EXTENSION_V6 bool "Use the functions and types from the older (v6) API if possible." default y if !LV_CONF_MINIMAL config LV_USE_API_EXTENSION_V7 bool "Use the functions and types from the older (v7) API if possible." default y if !LV_CONF_MINIMAL endmenu menu "Font usage" menu "Enable built-in fonts" config LV_FONT_MONTSERRAT_8 bool "Enable Montserrat 8" config LV_FONT_MONTSERRAT_10 bool "Enable Montserrat 10" config LV_FONT_MONTSERRAT_12 bool "Enable Montserrat 12" config LV_FONT_MONTSERRAT_14 bool "Enable Montserrat 14" default y if !LV_CONF_MINIMAL config LV_FONT_MONTSERRAT_16 bool "Enable Montserrat 16" config LV_FONT_MONTSERRAT_18 bool "Enable Montserrat 18" config LV_FONT_MONTSERRAT_20 bool "Enable Montserrat 20" config LV_FONT_MONTSERRAT_22 bool "Enable Montserrat 22" config LV_FONT_MONTSERRAT_24 bool "Enable Montserrat 24" config LV_FONT_MONTSERRAT_26 bool "Enable Montserrat 26" config LV_FONT_MONTSERRAT_28 bool "Enable Montserrat 28" config LV_FONT_MONTSERRAT_30 bool "Enable Montserrat 30" config LV_FONT_MONTSERRAT_32 bool "Enable Montserrat 32" config LV_FONT_MONTSERRAT_34 bool "Enable Montserrat 34" config LV_FONT_MONTSERRAT_36 bool "Enable Montserrat 36" config LV_FONT_MONTSERRAT_38 bool "Enable Montserrat 38" config LV_FONT_MONTSERRAT_40 bool "Enable Montserrat 40" config LV_FONT_MONTSERRAT_42 bool "Enable Montserrat 42" config LV_FONT_MONTSERRAT_44 bool "Enable Montserrat 44" config LV_FONT_MONTSERRAT_46 bool "Enable Montserrat 46" config LV_FONT_MONTSERRAT_48 bool "Enable Montserrat 48" config LV_FONT_UNSCII_8 bool "Enable UNSCII 8 (Perfect monospace font)" default y if LV_CONF_MINIMAL config LV_FONT_UNSCII_16 bool "Enable UNSCII 16 (Perfect monospace font)" config LV_FONT_MONTSERRAT12SUBPX bool "Enable Montserrat 12 sub-pixel" config LV_FONT_MONTSERRAT28COMPRESSED bool "Enable Montserrat 28 compressed" config LV_FONT_DEJAVU_16_PERSIAN_HEBREW bool "Enable Dejavu 16 Persian, Hebrew, Arabic letters" config LV_FONT_SIMSUN_16_CJK bool "Enable Simsun 16 CJK" endmenu config LV_FONT_FMT_TXT_LARGE bool "Enable it if you have fonts with a lot of characters." help The limit depends on the font size, font face and bpp but with > 10,000 characters if you see issues probably you need to enable it. config LV_USE_FONT_COMPRESSED bool "Sets support for compressed fonts." config LV_USE_FONT_SUBPX bool "Enable subpixel rendering." config LV_FONT_SUBPX_BGR bool "Use BGR instead RGB for sub-pixel rendering." depends on LV_USE_FONT_SUBPX help Set the pixel order of the display. Important only if "subpx fonts" are used. With "normal" font it doesn't matter. choice LV_FONT_DEFAULT prompt "Select theme default title font" default LV_FONT_DEFAULT_MONTSERRAT_16 if !LV_CONF_MINIMAL default LV_FONT_DEFAULT_UNSCII_8 if LV_CONF_MINIMAL help Select theme default title font config LV_FONT_DEFAULT_MONTSERRAT_8 bool "Montserrat 8" select LV_FONT_MONTSERRAT_8 config LV_FONT_DEFAULT_MONTSERRAT_12 bool "Montserrat 12" select LV_FONT_MONTSERRAT_12 config LV_FONT_DEFAULT_MONTSERRAT_14 bool "Montserrat 14" select LV_FONT_MONTSERRAT_14 config LV_FONT_DEFAULT_MONTSERRAT_16 bool "Montserrat 16" select LV_FONT_MONTSERRAT_16 config LV_FONT_DEFAULT_MONTSERRAT_18 bool "Montserrat 18" select LV_FONT_MONTSERRAT_18 config LV_FONT_DEFAULT_MONTSERRAT_20 bool "Montserrat 20" select LV_FONT_MONTSERRAT_20 config LV_FONT_DEFAULT_MONTSERRAT_22 bool "Montserrat 22" select LV_FONT_MONTSERRAT_22 config LV_FONT_DEFAULT_MONTSERRAT_24 bool "Montserrat 24" select LV_FONT_MONTSERRAT_24 config LV_FONT_DEFAULT_MONTSERRAT_26 bool "Montserrat 26" select LV_FONT_MONTSERRAT_26 config LV_FONT_DEFAULT_MONTSERRAT_28 bool "Montserrat 28" select LV_FONT_MONTSERRAT_28 config LV_FONT_DEFAULT_MONTSERRAT_30 bool "Montserrat 30" select LV_FONT_MONTSERRAT_30 config LV_FONT_DEFAULT_MONTSERRAT_32 bool "Montserrat 32" select LV_FONT_MONTSERRAT_32 config LV_FONT_DEFAULT_MONTSERRAT_34 bool "Montserrat 34" select LV_FONT_MONTSERRAT_34 config LV_FONT_DEFAULT_MONTSERRAT_36 bool "Montserrat 36" select LV_FONT_MONTSERRAT_36 config LV_FONT_DEFAULT_MONTSERRAT_38 bool "Montserrat 38" select LV_FONT_MONTSERRAT_38 config LV_FONT_DEFAULT_MONTSERRAT_40 bool "Montserrat 40" select LV_FONT_MONTSERRAT_40 config LV_FONT_DEFAULT_MONTSERRAT_42 bool "Montserrat 42" select LV_FONT_MONTSERRAT_42 config LV_FONT_DEFAULT_MONTSERRAT_44 bool "Montserrat 44" select LV_FONT_MONTSERRAT_44 config LV_FONT_DEFAULT_MONTSERRAT_46 bool "Montserrat 46" select LV_FONT_MONTSERRAT_46 config LV_FONT_DEFAULT_MONTSERRAT_48 bool "Montserrat 48" select LV_FONT_MONTSERRAT_48 config LV_FONT_DEFAULT_UNSCII_8 bool "UNSCII 8 (Perfect monospace font)" select LV_FONT_UNSCII_8 config LV_FONT_DEFAULT_UNSCII_16 bool "UNSCII 16 (Perfect monospace font)" select LV_FONT_UNSCII_16 config LV_FONT_DEFAULT_MONTSERRAT12SUBPX bool "Montserrat 12 sub-pixel" select LV_FONT_MONTSERRAT12SUBPX config LV_FONT_DEFAULT_MONTSERRAT28COMPRESSED bool "Montserrat 28 compressed" select LV_FONT_MONTSERRAT28COMPRESSED config LV_FONT_DEFAULT_DEJAVU_16_PERSIAN_HEBREW bool "Dejavu 16 Persian, Hebrew, Arabic letters" select LV_FONT_DEJAVU_16_PERSIAN_HEBREW config LV_FONT_DEFAULT_SIMSUN_16_CJK bool "Simsun 16 CJK" select LV_FONT_SIMSUN_16_CJK endchoice endmenu menu "Themes" config LV_USE_THEME_DEFAULT bool "A simple, impressive and very complete theme" default y config LV_THEME_DEFAULT_PALETTE_LIGHT bool "Yes to set light mode, No to set dark mode" default y depends on LV_USE_THEME_DEFAULT config LV_THEME_DEFAULT_GROW bool "Enable grow on press" default y depends on LV_USE_THEME_DEFAULT config LV_THEME_DEFAULT_TRANSITION_TIME int "Default transition time in [ms]" default 80 depends on LV_USE_THEME_DEFAULT config LV_USE_THEME_BASIC bool "A very simple theme that is a good starting point for a custom theme" default y endmenu menu "Text Settings" choice LV_TXT_ENC prompt "Select a character encoding for strings" help Select a character encoding for strings. Your IDE or editor should have the same character encoding. default LV_TXT_ENC_UTF8 if !LV_CONF_MINIMAL default LV_TXT_ENC_ASCII if LV_CONF_MINIMAL config LV_TXT_ENC_UTF8 bool "UTF8" config LV_TXT_ENC_ASCII bool "ASCII" endchoice config LV_TXT_BREAK_CHARS string "Can break (wrap) texts on these chars" default " ,.;:-_" config LV_TXT_LINE_BREAK_LONG_LEN int "Line break long length" default 0 help If a word is at least this long, will break wherever 'prettiest'. To disable, set to a value <= 0. config LV_TXT_LINE_BREAK_LONG_PRE_MIN_LEN int "Min num chars before break" default 3 depends on LV_TXT_LINE_BREAK_LONG_LEN > 0 help Minimum number of characters in a long word to put on a line before a break. config LV_TXT_LINE_BREAK_LONG_POST_MIN_LEN int "Min num chars after break" default 3 depends on LV_TXT_LINE_BREAK_LONG_LEN > 0 help Minimum number of characters in a long word to put on a line after a break. config LV_TXT_COLOR_CMD string "The control character to use for signalling text recoloring" default "#" config LV_USE_BIDI bool "Support bidirectional texts" help 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 choice prompt "Set the default BIDI direction" default LV_BIDI_DIR_AUTO depends on LV_USE_BIDI config LV_BIDI_DIR_LTR bool "Left-to-Right" config LV_BIDI_DIR_RTL bool "Right-to-Left" config LV_BIDI_DIR_AUTO bool "Detect texts base direction" endchoice config LV_USE_ARABIC_PERSIAN_CHARS bool "Enable Arabic/Persian processing" help In these languages characters should be replaced with an other form based on their position in the text. endmenu menu "Widget usage" config LV_USE_ARC bool "Arc." default y if !LV_CONF_MINIMAL config LV_USE_BAR bool "Bar." default y if !LV_CONF_MINIMAL config LV_USE_BTN bool "Button." default y if !LV_CONF_MINIMAL config LV_USE_BTNMATRIX bool "Button matrix." default y if !LV_CONF_MINIMAL config LV_USE_CANVAS bool "Canvas. Dependencies: lv_img." default y if !LV_CONF_MINIMAL config LV_USE_CHECKBOX bool "Check Box" default y if !LV_CONF_MINIMAL config LV_USE_CHART bool "Chart." default y if !LV_CONF_MINIMAL config LV_USE_DROPDOWN bool "Drop down list. Requires: lv_label." select LV_USE_LABEL default y if !LV_CONF_MINIMAL config LV_USE_IMG bool "Image. Requires: lv_label." select LV_USE_LABEL default y if !LV_CONF_MINIMAL config LV_USE_LABEL bool "Label." default y if !LV_CONF_MINIMAL config LV_LABEL_TEXT_SEL bool "Enable selecting text of the label." depends on LV_USE_LABEL config LV_LABEL_LONG_TXT_HINT bool "Store extra some info in labels (12 bytes) to speed up drawing of very long texts." depends on LV_USE_LABEL config LV_USE_LINE bool "Line." default y if !LV_CONF_MINIMAL config LV_USE_METER bool "Meter." default y if !LV_CONF_MINIMAL config LV_USE_ROLLER bool "Roller. Requires: lv_label." select LV_USE_LABEL default y if !LV_CONF_MINIMAL config LV_ROLLER_INF_PAGES int "Number of extra 'pages' when the controller is infinite." default 7 depends on LV_USE_ROLLER config LV_USE_SLIDER bool "Slider. Requires: lv_bar." select LV_USE_BAR default y if !LV_CONF_MINIMAL config LV_USE_SWITCH bool "Switch. Dependencies: lv_slider." select LV_USE_SLIDER default y if !LV_CONF_MINIMAL config LV_USE_TEXTAREA bool "Text area. Requires: lv_label." select LV_USE_LABEL default y if !LV_CONF_MINIMAL config LV_TEXTAREA_DEF_PWN_SHOW_TIME int "Text area def. pwn show time [ms]." default 1500 depends on LV_USE_TEXTAREA config LV_USE_TABLE bool "Table." default y if !LV_CONF_MINIMAL endmenu menu "Extra components" config LV_USE_ANIMIMG bool "Anim image." select LV_USE_IMG default y if !LV_CONF_MINIMAL config LV_USE_CALENDAR bool "Calendar." default y if !LV_CONF_MINIMAL config LV_CALENDAR_WEEK_STARTS_MONDAY bool "Calendar week starts monday." depends on LV_USE_CALENDAR config LV_USE_CALENDAR_HEADER_ARROW bool "Use calendar header arrow" default y config LV_USE_CALENDAR_HEADER_DROPDOWN bool "Use calendar header dropdown" default y config LV_USE_COLORWHEEL bool "Colorwheel." config LV_USE_IMGBTN bool "Imgbtn." config LV_USE_KEYBOARD bool "Keyboard." config LV_USE_LED bool "LED." config LV_USE_LIST bool "List." config LV_USE_MSGBOX bool "Msgbox." config LV_USE_SPINBOX bool "Spinbox." config LV_USE_SPINNER bool "Spinner." config LV_USE_TABVIEW bool "Tabview." config LV_USE_TILEVIEW bool "Tileview" config LV_USE_WIN bool "Win" config LV_USE_SPAN bool "span" endmenu menu "Layouts" config LV_USE_FLEX bool "A layout similar to Flexbox in CSS." default y config LV_USE_GRID bool "A layout similar to Grid in CSS." default y endmenu endmenu