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Kconfig
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# Kconfig file for LVGL v9.3.0-dev
menu "LVGL 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 "Check this to not use custom lv_conf.h"
default y
config LV_CONF_MINIMAL
bool "LVGL minimal configuration"
menu "Color Settings"
choice LV_COLOR_DEPTH
prompt "Color depth"
default LV_COLOR_DEPTH_16
help
Color depth to be used.
config LV_COLOR_DEPTH_32
bool "32: XRGB8888"
config LV_COLOR_DEPTH_24
bool "24: RGB888"
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 24 if LV_COLOR_DEPTH_24
default 32 if LV_COLOR_DEPTH_32
endmenu
menu "Memory Settings"
choice
prompt "Malloc functions source"
default LV_USE_BUILTIN_MALLOC
config LV_USE_BUILTIN_MALLOC
bool "LVGL's built in implementation"
config LV_USE_CLIB_MALLOC
bool "Standard C functions malloc/realloc/free"
config LV_USE_MICROPYTHON_MALLOC
bool "MicroPython functions malloc/realloc/free"
config LV_USE_RTTHREAD_MALLOC
bool "RTThread functions malloc/realloc/free"
config LV_USE_CUSTOM_MALLOC
bool "Implement the functions externally"
endchoice # "Malloc functions"
choice
prompt "String functions source"
default LV_USE_BUILTIN_STRING
config LV_USE_BUILTIN_STRING
bool "LVGL's built in implementation"
config LV_USE_CLIB_STRING
bool "Standard C functions memcpy/memset/strlen/strcpy"
config LV_USE_CUSTOM_STRING
bool "Implement the functions externally"
endchoice # "String functions"
choice
prompt "Sprintf functions source"
default LV_USE_BUILTIN_SPRINTF
config LV_USE_BUILTIN_SPRINTF
bool "LVGL's built in implementation"
config LV_USE_CLIB_SPRINTF
bool "Standard C functions vsnprintf"
config LV_USE_CUSTOM_SPRINTF
bool "Implement the functions externally"
endchoice # "Sprintf functions"
config LV_MEM_SIZE_KILOBYTES
int "Size of the memory used by `lv_malloc()` in kilobytes (>= 2kB)"
default 64
depends on LV_USE_BUILTIN_MALLOC
config LV_MEM_POOL_EXPAND_SIZE_KILOBYTES
int "Size of the memory expand for `lv_malloc()` in kilobytes"
default 0
depends on LV_USE_BUILTIN_MALLOC
config LV_MEM_ADR
hex "Address for the memory pool instead of allocating it as a normal array"
default 0x0
depends on LV_USE_BUILTIN_MALLOC
endmenu
menu "HAL Settings"
config LV_DEF_REFR_PERIOD
int "Default refresh period (ms)"
default 33
help
Default display refresh, input device read and animation step period.
config LV_DPI_DEF
int "Default Dots Per Inch (in px/inch)"
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 "Operating System (OS)"
choice LV_USE_OS
prompt "Default operating system to use"
default LV_OS_NONE
config LV_OS_NONE
bool "0: NONE"
config LV_OS_PTHREAD
bool "1: PTHREAD"
config LV_OS_FREERTOS
bool "2: FREERTOS"
config LV_OS_CMSIS_RTOS2
bool "3: CMSIS_RTOS2"
config LV_OS_RTTHREAD
bool "4: RTTHREAD"
config LV_OS_WINDOWS
bool "5: WINDOWS"
config LV_OS_MQX
bool "6: MQX"
config LV_OS_CUSTOM
bool "255: CUSTOM"
endchoice
config LV_OS_CUSTOM_INCLUDE
string "Custom OS include header"
default "stdint.h"
depends on LV_OS_CUSTOM
config LV_USE_FREERTOS_TASK_NOTIFY
bool "Use RTOS task with a direct notification for synchronization"
default y
depends on LV_OS_FREERTOS
help
Unblocking an RTOS task with a direct notification is 45% faster and uses less RAM
than unblocking a task using an intermediary object such as a binary semaphore.
RTOS task notifications can only be used when there is only one task that can be the recipient of the event.
endmenu
menu "Rendering Configuration"
config LV_DRAW_BUF_STRIDE_ALIGN
int "Buffer stride alignment"
default 1
help
Align the stride of all layers and images to this bytes.
config LV_DRAW_BUF_ALIGN
int "Buffer address alignment"
default 4
help
Align the start address of draw_buf addresses to this bytes.
config LV_DRAW_TRANSFORM_USE_MATRIX
bool "Using matrix for transformations"
default n
depends on LV_USE_MATRIX
help
Requirements: The rendering engine needs to support 3x3 matrix transformations.
config LV_DRAW_LAYER_SIMPLE_BUF_SIZE
int "Optimal size to buffer the widget with opacity"
default 24576
depends on LV_USE_DRAW_SW
help
If a widget has `style_opa < 255` (not `bg_opa`, `text_opa` etc) or not NORMAL blend mode
it is buffered into a "simple" layer before rendering. The widget can be buffered in smaller chunks.
"Transformed layers" (if `transform_angle/zoom` are set) use larger buffers and can't be drawn in chunks.
config LV_DRAW_LAYER_MAX_MEMORY
int "The maximum amount of memory that can be used for layers"
default 0
help
Limit the max allocated memory for simple and transformed layers.
It should be at least `LV_DRAW_LAYER_SIMPLE_BUF_SIZE` sized but if transformed layers are also used
it should be enough to store the largest widget too (width x height x 4 area).
Set it to 0 to have no limit.
config LV_DRAW_THREAD_STACK_SIZE
int "Stack size of draw thread in bytes"
default 8192
depends on LV_USE_OS > 0
help
If FreeType or ThorVG is enabled, it is recommended to set it to 32KB or more.
config LV_USE_DRAW_SW
bool "Enable software rendering"
default y
help
Required to draw anything on the screen.
config LV_DRAW_SW_SUPPORT_RGB565
bool "Enable support for RGB565 color format"
default y
depends on LV_USE_DRAW_SW
config LV_DRAW_SW_SUPPORT_RGB565A8
bool "Enable support for RGB565A8 color format"
default y
depends on LV_USE_DRAW_SW
config LV_DRAW_SW_SUPPORT_RGB888
bool "Enable support for RGB888 color format"
default y
depends on LV_USE_DRAW_SW
config LV_DRAW_SW_SUPPORT_XRGB8888
bool "Enable support for XRGB8888 color format"
default y
depends on LV_USE_DRAW_SW
config LV_DRAW_SW_SUPPORT_ARGB8888
bool "Enable support for ARGB8888 color format"
default y
depends on LV_USE_DRAW_SW
config LV_DRAW_SW_SUPPORT_L8
bool "Enable support for L8 color format"
default y
depends on LV_USE_DRAW_SW
config LV_DRAW_SW_SUPPORT_AL88
bool "Enable support for AL88 color format"
default y
depends on LV_USE_DRAW_SW
config LV_DRAW_SW_SUPPORT_A8
bool "Enable support for A8 color format"
default y
depends on LV_USE_DRAW_SW
config LV_DRAW_SW_SUPPORT_I1
bool "Enable support for I1 color format"
default y
depends on LV_USE_DRAW_SW
config LV_DRAW_SW_I1_LUM_THRESHOLD
int "Luminance threshold for a pixel to be active"
default 127
range 0 254
depends on LV_DRAW_SW_SUPPORT_I1
config LV_DRAW_SW_DRAW_UNIT_CNT
int "Number of draw units"
default 1
depends on LV_USE_DRAW_SW
help
> 1 requires an operating system enabled in `LV_USE_OS`
> 1 means multiply threads will render the screen in parallel
config LV_USE_DRAW_ARM2D_SYNC
bool "Enable Arm's 2D image processing library (Arm-2D) for all Cortex-M processors"
default n
depends on LV_USE_DRAW_SW
help
Must deploy arm-2d library to your project and add include PATH for "arm_2d.h".
config LV_USE_NATIVE_HELIUM_ASM
bool "Enable native helium assembly"
default n
depends on LV_USE_DRAW_SW
help
Disabling this allows arm2d to work on its own (for testing only)
config LV_DRAW_SW_COMPLEX
bool "Enable complex draw engine"
default y
depends on LV_USE_DRAW_SW
help
0: use a simple renderer capable of drawing only simple rectangles with gradient, images, texts, and straight lines only,
1: use a complex renderer capable of drawing rounded corners, shadow, skew lines, and arcs too.
config LV_USE_DRAW_SW_COMPLEX_GRADIENTS
bool "Enable drawing complex gradients in software"
default n
depends on LV_USE_DRAW_SW
help
0: do not enable complex gradients
1: enable complex gradients (linear at an angle, radial or conical)
config LV_DRAW_SW_SHADOW_CACHE_SIZE
int "Allow buffering some shadow calculation"
depends on LV_DRAW_SW_COMPLEX
default 0
help
LV_DRAW_SW_SHADOW_CACHE_SIZE is the max shadow size to buffer, where
shadow size is `shadow_width + radius`.
Caching has LV_DRAW_SW_SHADOW_CACHE_SIZE^2 RAM cost.
config LV_DRAW_SW_CIRCLE_CACHE_SIZE
int "Set number of maximally cached circle data"
depends on LV_DRAW_SW_COMPLEX
default 4
help
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).
Set to 0 to disable caching.
choice LV_USE_DRAW_SW_ASM
prompt "Asm mode in sw draw"
default LV_DRAW_SW_ASM_NONE
depends on LV_USE_DRAW_SW
help
ASM mode to be used
config LV_DRAW_SW_ASM_NONE
bool "0: NONE"
config LV_DRAW_SW_ASM_NEON
bool "1: NEON"
config LV_DRAW_SW_ASM_HELIUM
bool "2: HELIUM"
config LV_DRAW_SW_ASM_CUSTOM
bool "255: CUSTOM"
endchoice
config LV_USE_DRAW_SW_ASM
int
default 0 if LV_DRAW_SW_ASM_NONE
default 1 if LV_DRAW_SW_ASM_NEON
default 2 if LV_DRAW_SW_ASM_HELIUM
default 255 if LV_DRAW_SW_ASM_CUSTOM
config LV_DRAW_SW_ASM_CUSTOM_INCLUDE
string "Set the custom asm include file"
default ""
depends on LV_DRAW_SW_ASM_CUSTOM
config LV_USE_DRAW_VGLITE
bool "Use NXP's VG-Lite GPU on iMX RTxxx platforms"
default n
config LV_USE_VGLITE_BLIT_SPLIT
bool "Enable blit quality degradation workaround recommended for screen's dimension > 352 pixels"
depends on LV_USE_DRAW_VGLITE
default n
config LV_USE_VGLITE_DRAW_THREAD
bool "Use additional draw thread for VG-Lite processing"
depends on LV_USE_DRAW_VGLITE && LV_USE_OS > 0
default y
config LV_USE_VGLITE_DRAW_ASYNC
bool "Enable VGLite draw async"
depends on LV_USE_VGLITE_DRAW_THREAD
default y
help
Queue multiple tasks and flash them once to the GPU. The task ready state will be send asynchronous to dispatcher.
config LV_USE_VGLITE_ASSERT
bool "Enable VGLite asserts"
depends on LV_USE_DRAW_VGLITE
default n
config LV_USE_PXP
bool "Use NXP's PXP on iMX RTxxx platforms"
default n
config LV_USE_DRAW_PXP
bool "Use PXP for drawing"
depends on LV_USE_PXP
default y
config LV_USE_ROTATE_PXP
bool "Use PXP to rotate display"
depends on LV_USE_PXP
default n
config LV_USE_PXP_DRAW_THREAD
bool "Use additional draw thread for PXP processing"
depends on LV_USE_DRAW_PXP && LV_USE_OS > 0
default y
config LV_USE_PXP_ASSERT
bool "Enable PXP asserts"
depends on LV_USE_DRAW_PXP
config LV_USE_DRAW_G2D
bool "Use NXP's G2D on MPU platforms"
default n
config LV_G2D_HASH_TABLE_SIZE
bool "Maximum number of buffers that can be stored for G2D draw unit."
default 50
depends on LV_USE_DRAW_G2D
help
Includes the frame buffers and assets.
config LV_USE_G2D_DRAW_THREAD
bool "Use additional draw thread for G2D processing"
depends on LV_USE_DRAW_G2D && LV_USE_OS > 0
default y
config LV_USE_G2D_ASSERT
bool "Enable G2D asserts"
depends on LV_USE_DRAW_G2D
default n
config LV_USE_DRAW_DAVE2D
bool "Use Renesas Dave2D on RA platforms"
default n
config LV_USE_DRAW_SDL
bool "Draw using cached SDL textures"
default n
help
Uses SDL renderer API
config LV_USE_DRAW_VG_LITE
bool "Use VG-Lite GPU"
default n
select LV_USE_MATRIX
config LV_VG_LITE_USE_GPU_INIT
bool "Enable VG-Lite custom external 'gpu_init()' function"
default n
depends on LV_USE_DRAW_VG_LITE
config LV_VG_LITE_USE_ASSERT
bool "Enable VG-Lite assert"
default n
depends on LV_USE_DRAW_VG_LITE
config LV_VG_LITE_FLUSH_MAX_COUNT
int "VG-Lite flush commit trigger threshold"
default 8
depends on LV_USE_DRAW_VG_LITE
help
GPU will try to batch these many draw tasks
config LV_VG_LITE_USE_BOX_SHADOW
bool "Enable border to simulate shadow"
default n
depends on LV_USE_DRAW_VG_LITE
help
which usually improves performance,
but does not guarantee the same rendering quality as the software.
config LV_VG_LITE_GRAD_CACHE_CNT
int "VG-Lite gradient maximum cache number."
default 32
depends on LV_USE_DRAW_VG_LITE
help
The memory usage of a single gradient:
linear: 4K bytes.
radial: radius * 4K bytes.
config LV_VG_LITE_STROKE_CACHE_CNT
int "VG-Lite stroke maximum cache number."
default 8
depends on LV_USE_DRAW_VG_LITE
config LV_USE_VECTOR_GRAPHIC
bool "Use Vector Graphic APIs"
default n
select LV_USE_MATRIX
help
Enable drawing support vector graphic APIs.
config LV_USE_DRAW_DMA2D
bool "Use DMA2D on the supporting STM32 platforms"
default n
help
Accelerate blends, fills, image decoding, etc. with STM32 DMA2D.
config LV_DRAW_DMA2D_HAL_INCLUDE
string "the header file for LVGL to include for DMA2D"
default "stm32h7xx_hal.h"
depends on LV_USE_DRAW_DMA2D
config LV_USE_DRAW_DMA2D_INTERRUPT
bool "use the DMA2D transfer complete interrupt"
default n
depends on LV_USE_DRAW_DMA2D
help
if enabled, the user is required to call
`lv_draw_dma2d_transfer_complete_interrupt_handler`
upon receiving the DMA2D global interrupt
config LV_USE_DRAW_OPENGLES
bool "Draw using cached OpenGLES textures"
default n
depends on LV_USE_OPENGLES
endmenu
menu "Feature Configuration"
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_USE_TIMESTAMP
bool "Enable print timestamp"
default y
depends on LV_USE_LOG
config LV_LOG_USE_FILE_LINE
bool "Enable print file and line number"
default y
depends on LV_USE_LOG
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
config LV_LOG_TRACE_CACHE
bool "Enable/Disable LV_LOG_TRACE in cache 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)"
config LV_ASSERT_HANDLER_INCLUDE
string "Header to include for the custom assert function"
default "assert.h"
help
Add a custom handler when assert happens e.g. to restart the MCU
endmenu
menu "Debug"
config LV_USE_REFR_DEBUG
bool "Draw random colored rectangles over the redrawn areas"
config LV_USE_LAYER_DEBUG
bool "Draw a red overlay for ARGB layers and a green overlay for RGB layers"
config LV_USE_PARALLEL_DRAW_DEBUG
bool "Draw overlays with different colors for each draw_unit's tasks"
help
Also add the index number of the draw unit on white background.
For layers add the index number of the draw unit on black background.
endmenu
menu "Others"
config LV_ENABLE_GLOBAL_CUSTOM
bool "Enable 'lv_global' customization"
config LV_GLOBAL_CUSTOM_INCLUDE
string "Header to include for the custom 'lv_global' function"
depends on LV_ENABLE_GLOBAL_CUSTOM
default "lv_global.h"
config LV_CACHE_DEF_SIZE
int "Default image cache size. 0 to disable caching"
default 0
depends on LV_USE_DRAW_SW
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_IMAGE_HEADER_CACHE_DEF_CNT
int "Default image header cache count. 0 to disable caching"
default 0
depends on LV_USE_DRAW_SW
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 getting header information of images.
However the records of opened images headers might consume additional RAM.
config LV_GRADIENT_MAX_STOPS
int "Number of stops allowed per gradient"
default 2
depends on LV_USE_DRAW_SW
help
Increase this to allow more stops.
This adds (sizeof(lv_color_t) + 1) bytes per additional stop
config LV_COLOR_MIX_ROUND_OFS
int "Adjust color mix functions rounding"
default 128 if !LV_COLOR_DEPTH_32
default 0 if LV_COLOR_DEPTH_32
range 0 254
help
0: no adjustment, get the integer part of the result (round down)
64: round up from x.75
128: round up from half
192: round up from x.25
254: round up
config LV_OBJ_STYLE_CACHE
bool "Use cache to speed up getting object style properties"
default n
help
Add 2 x 32 bit variables to each lv_obj_t to speed up getting style properties
config LV_USE_OBJ_ID
bool "Add id field to obj"
default n
config LV_USE_OBJ_NAME
bool "Enable support widget names"
default n
config LV_OBJ_ID_AUTO_ASSIGN
bool "Automatically assign an ID when obj is created"
default y
depends on LV_USE_OBJ_ID
config LV_USE_OBJ_ID_BUILTIN
bool "Use builtin method to deal with obj ID"
default n
depends on LV_USE_OBJ_ID
config LV_USE_OBJ_PROPERTY
bool "Use obj property set/get API"
default n
config LV_USE_OBJ_PROPERTY_NAME
bool "Use name to access property"
default n
depends on LV_USE_OBJ_PROPERTY
help
Add a name table to every widget class, so the property can be accessed by name.
Note, the const table will increase flash usage.
config LV_USE_VG_LITE_THORVG
bool "VG-Lite Simulator"
default n
depends on LV_USE_THORVG
help
Use thorvg to simulate VG-Lite hardware behavior, it's useful
for debugging and testing on PC simulator. Enable LV_USE_THORVG,
Either internal ThorVG or external ThorVG library is required.
config LV_VG_LITE_THORVG_LVGL_BLEND_SUPPORT
bool "Enable LVGL blend mode support"
default n
depends on LV_USE_VG_LITE_THORVG
config LV_VG_LITE_THORVG_YUV_SUPPORT
bool "Enable YUV color format support"
default n
depends on LV_USE_VG_LITE_THORVG
config LV_VG_LITE_THORVG_LINEAR_GRADIENT_EXT_SUPPORT
bool "Enable linear gradient extension support"
default n
depends on LV_USE_VG_LITE_THORVG
config LV_VG_LITE_THORVG_16PIXELS_ALIGN
bool "Enable 16 pixels alignment"
default y
depends on LV_USE_VG_LITE_THORVG
config LV_VG_LITE_THORVG_BUF_ADDR_ALIGN
int "Buffer address alignment"
default 64
depends on LV_USE_VG_LITE_THORVG
config LV_VG_LITE_THORVG_THREAD_RENDER
bool "Enable multi-thread render"
default n
depends on LV_USE_VG_LITE_THORVG
config LV_USE_GESTURE_RECOGNITION
bool "Enable the multi-touch gesture recognition feature"
depends on LV_USE_FLOAT
default n
endmenu
endmenu
menu "Compiler Settings"
config LV_BIG_ENDIAN_SYSTEM
bool "For big endian systems set to 1"
config LV_ATTRIBUTE_MEM_ALIGN_SIZE
int "Required alignment size for buffers"
default 1
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_USE_FLOAT
bool "Use float as lv_value_precise_t"
default n
config LV_USE_MATRIX
bool "Enable matrix support"
default n
select LV_USE_FLOAT
config LV_USE_PRIVATE_API
bool "Include `lvgl_private.h` in `lvgl.h` to access internal data and functions by default"
default n
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_MONTSERRAT_28_COMPRESSED
bool "Enable Montserrat 28 compressed"
config LV_FONT_DEJAVU_16_PERSIAN_HEBREW
bool "Enable Dejavu 16 Persian, Hebrew, Arabic letters"
config LV_FONT_SIMSUN_14_CJK
bool "Enable Simsun 14 CJK"
config LV_FONT_SIMSUN_16_CJK
bool "Enable Simsun 16 CJK"
config LV_FONT_SOURCE_HAN_SANS_SC_14_CJK
bool "Enable SourceHanSansSC 14 CJK"
config LV_FONT_SOURCE_HAN_SANS_SC_16_CJK
bool "Enable SourceHanSansSC 16 CJK"
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)"
endmenu
choice LV_FONT_DEFAULT
prompt "Select theme default title font"
default LV_FONT_DEFAULT_MONTSERRAT_14 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_10
bool "Montserrat 10"
select LV_FONT_MONTSERRAT_10
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_MONTSERRAT_28_COMPRESSED
bool "Montserrat 28 compressed"
select LV_FONT_MONTSERRAT_28_COMPRESSED
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_14_CJK
bool "Simsun 14 CJK"
select LV_FONT_SIMSUN_14_CJK
config LV_FONT_DEFAULT_SIMSUN_16_CJK
bool "Simsun 16 CJK"
select LV_FONT_SIMSUN_16_CJK
config LV_FONT_DEFAULT_SOURCE_HAN_SANS_SC_14_CJK
bool "SourceHanSansSC 14 CJK"
select LV_FONT_SOURCE_HAN_SANS_SC_14_CJK
config LV_FONT_DEFAULT_SOURCE_HAN_SANS_SC_16_CJK
bool "SourceHanSansSC 16 CJK"
select LV_FONT_SOURCE_HAN_SANS_SC_16_CJK
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
endchoice
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 format
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_PLACEHOLDER
bool "Enable drawing placeholders when glyph dsc is not found"
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 " ,.;:-_)}"