342 lines
6.8 KiB
Plaintext
342 lines
6.8 KiB
Plaintext
#
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# Copyright (c) 2018 Jan Van Winkel <jan.van_winkel@dxplore.eu>
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#
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# SPDX-License-Identifier: Apache-2.0
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#
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config LVGL
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bool "LittlevGL Support"
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help
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This option enables the LittlevGL GUI library.
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if LVGL
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module = LVGL
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module-str = lvgl
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source "subsys/logging/Kconfig.template.log_config"
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config LVGL_DISPLAY_DEV_NAME
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string "Display device name"
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default "DISPLAY"
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help
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Name of the display device to use for rendering.
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config LVGL_HOR_RES
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int "Horizontal Screen Resolution"
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default 320
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help
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Horizontal screen resolution in pixels
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config LVGL_VER_RES
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int "Vertical Screen Resolution"
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default 240
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help
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Vertical screen resolution in pixels
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config LVGL_DPI
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int "DPI"
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default 100
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help
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Dots per inch (DPI)
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choice
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prompt "Color Depth"
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default LVGL_COLOR_DEPTH_32
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help
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Color depth to be used by library
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config LVGL_COLOR_DEPTH_32
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bool "32-bit"
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config LVGL_COLOR_DEPTH_16
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bool "16-bit"
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config LVGL_COLOR_DEPTH_8
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bool "8-bit"
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config LVGL_COLOR_DEPTH_1
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bool "1-bit"
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endchoice
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config LVGL_BITS_PER_PIXEL
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int "Bits per pixel"
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default 0
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help
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Number of bits per pixel, in case the number of pixels should be derived
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from the color depth set the number of pixels to zero.
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if LVGL_COLOR_DEPTH_16
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config LVGL_COLOR_16_SWAP
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bool "RGB565 byte swap"
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help
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Swap the 2 bytes of a RGB565 pixel.
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endif
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if LVGL_COLOR_DEPTH_32
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config CONFIG_LVGL_COLOR_SCREEN_TRANSP
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bool "Transparency support"
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help
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Enable screen transparency. Useful for OSD or other overlapping GUISs.
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endif
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choice
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prompt "Chroma key color"
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default LVGL_CHROMA_KEY_GREEN
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help
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Color to to use as chroma key
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config LVGL_CHROMA_KEY_RED
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bool "Red"
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config LVGL_CHROMA_KEY_GREEN
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bool "Green"
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config LVGL_CHROMA_KEY_BLUE
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bool "Blue"
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config LVGL_CHROMA_KEY_CUSTOM
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bool "Custom"
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endchoice
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if LVGL_CHROMA_KEY_CUSTOM
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config LVGL_CUSTOM_CHROMA_KEY_RED
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hex "Chroma Key Red"
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range 0x00 0xFF
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default 0x00
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help
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Value of the color red to be used in the chroma key
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config LVGL_CUSTOM_CHROMA_KEY_GREEN
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hex "Chroma Key Green"
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range 0x00 0xFF
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default 0xFF
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help
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Value of the color green to be used in the chroma key
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config LVGL_CUSTOM_CHROMA_KEY_BLUE
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hex "Chroma Key Blue"
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range 0x00 0xFF
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default 0x00
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help
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Value of the color blue to be used in the chroma key
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endif
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choice
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prompt "Memory pool"
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default LVGL_MEM_POOL_HEAP_KERNEL
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help
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Memory pool to use for lvgl allocated objects
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config LVGL_MEM_POOL_HEAP_KERNEL
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bool "Kernel Heap"
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depends on HEAP_MEM_POOL_SIZE != 0
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help
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Use k_malloc and k_free to allocate objects on the kernel heap
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config LVGL_MEM_POOL_HEAP_LIB_C
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bool "C library Heap"
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depends on NEWLIB_LIBC || (MINIMAL_LIBC_MALLOC_ARENA_SIZE != 0)
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help
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Use C library malloc and free to allocate objects on the C library heap
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config LVGL_MEM_POOL_KERNEL
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bool "Kernel space lvgl pool"
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help
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Use a dedicated memory pool in kernel space to allocate lvgl objects
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on
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config LVGL_MEM_POOL_USER
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bool "User space lvgl pool"
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help
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Use a dedicated memory pool in user space to allocate lvgl objects on
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endchoice
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if LVGL_MEM_POOL_KERNEL || LVGL_MEM_POOL_USER
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config LVGL_MEM_POOL_MIN_SIZE
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int "Minimum memory pool block size"
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default 16
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help
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Size of the smallest block in the memory pool in bytes
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config LVGL_MEM_POOL_MAX_SIZE
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int "Maximum memory pool block size"
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default 2048
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help
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Size of the largest block in the memory pool in bytes
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config LVGL_MEM_POOL_NUMBER_BLOCKS
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int "Number of max size blocks in memory pool"
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default 1
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help
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Number of maximum sized blocks in the memory pool.
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endif
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config LVGL_VDB_SIZE
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int "Virtual Display Buffer Size"
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default 10
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range 1 100
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help
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Virtual Display Buffer (double buffering) size as a percentage of
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total display size.
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config LVGL_VDB_STATIC
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bool "Statically allocate virtual display buffer"
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default y
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help
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Statically allocate virtual display buffer. If disabled pointer should be
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passed via lv_vdb_set_adr().
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config LVGL_DOUBLE_VDB
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bool "Use 2 Virtual Display Buffers"
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help
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Use 2 virtual display buffers to render and flush data in parallel
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config LVGL_SCREEN_REFRESH_PERIOD
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int "Screen refresh period"
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default 50
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help
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Screen refresh period in milliseconds
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config LVGL_INPUT_REFRESH_PERIOD
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int "Input device refresh period"
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default 50
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help
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Refresh period for input devices in milliseconds
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config LVGL_INPUT_MARK_PRESSED_POINTS
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bool "Mark pressed points"
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depends on LVGL_DIRECT_DRAW
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help
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Mark the pressed points on the screen.
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config LVGL_INPUT_DRAG_THRESHOLD
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int "Drag Threshold"
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default 10
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help
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Threshold in pixels before entering drag mode
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config LVGL_INPUT_DRAG_THROW_SLOW_DOWN
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int "Drag throw slow-down"
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default 20
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range 0 100
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help
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Percentage of slow down of a throw following a drag.
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Greater percentage means faster slow-down.
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config LVGL_INPUT_LONG_PRESS_TIME
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int "Long press time"
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default 400
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help
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Period in milliseconds before a press is seen as a long press
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config LVGL_INPUT_LONG_RESS_REPEAT_TIME
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int "Long press repeat time"
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default 100
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help
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Period in milliseconds after which a new trigger is generated
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for a long press
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config LVGL_AVG_OBJ_COUNT
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int "Average object counter"
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default 32
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help
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Average object counter on a screen
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config LVGL_UTF_8
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bool "Enable UTF-8 support"
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default y
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help
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Enable UTF-8 support
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config LVGL_TEXT_BREAK_CHARACTERS
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string "Text break characters"
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default " ,.;:-_"
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help
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Characters on which a text break can take place
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config LVGL_ANTIALIAS
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bool "Enable anti-aliasing"
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default y
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help
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Enable anti-aliasing
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config LVGL_ANIMATION
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bool "Enable animations"
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default y
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help
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Enable animations
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config LVGL_SHADOW
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bool "Enable shadows"
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default y
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help
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Enable shadows
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config LVGL_GROUP
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bool "Enable group support"
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default y
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help
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Enable group support.
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Used by keyboard and button input
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config LVGL_GPU
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bool "Enable GPU support"
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help
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Enable GPU support
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config LVGL_DIRECT_DRAW
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bool "Enable direct draw"
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default y
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help
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Enable direct draw support.
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Direct draw bypasses virtual display buffer and directly writes to
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frame buffer
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config LVGL_FILESYSTEM
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bool "Enable file system"
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depends on FILE_SYSTEM
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default y if FILE_SYSTEM
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help
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Enable LittlevGL file system
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config LVGL_VLA_SUPPORT
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bool "Enable variable length array support"
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default y
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help
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Enable variable length array support
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config LVGL_COMPILER_NON_CONST_INIT_SUPPORTED
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bool "Enable non constant init"
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default y
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help
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Indicate if initialization with non constant values is supported
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rsource "Kconfig.themes"
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rsource "Kconfig.fonts"
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rsource "Kconfig.objects"
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config APP_LINK_WITH_LVGL
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bool "Link 'app' with LVGL"
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default y
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depends on LVGL
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help
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Add LVGL header files to the 'app' include path. It may be
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disabled if the include paths for LVGL are causing aliasing
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issues for 'app'.
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endif
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