a1e336e7af
Added support for new features in LVGL v6.1 Signed-off-by: Jan Van Winkel <jan.van_winkel@dxplore.eu>
469 lines
10 KiB
Plaintext
469 lines
10 KiB
Plaintext
# Copyright (c) 2018-2019 Jan Van Winkel <jan.van_winkel@dxplore.eu>
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# SPDX-License-Identifier: Apache-2.0
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menuconfig LVGL
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bool "LittlevGL GUI library"
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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 LVGL_COLOR_DEPTH
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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 32
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range 1 32
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depends on LVGL_BUFFER_ALLOC_STATIC
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help
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Number of bits per pixel.
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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 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 !MINIMAL_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 "Rendering buffer size"
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default 10
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range 1 100
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help
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Size of the buffer used for rendering screen content as a percentage
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of total display size.
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config LVGL_DOUBLE_VDB
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bool "Use two rendering buffers"
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help
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Use two buffers to render and flush data in parallel
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choice
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prompt "Rendering Buffer Allocation"
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default LVGL_BUFFER_ALLOC_STATIC
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help
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Type of allocation that should be used for allocating rendering buffers
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config LVGL_BUFFER_ALLOC_STATIC
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bool "Static"
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help
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Rendering buffers are statically allocated based on the following
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configuration parameters:
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* Horizontal screen resolution
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* Vertical screen resolution
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* Rendering buffer size
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* Bytes per pixel
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config LVGL_BUFFER_ALLOC_DYNAMIC
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bool "Dynamic"
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help
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Rendering buffers are dynamically allocated based on the actual
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display parameters
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endchoice
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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_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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choice
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prompt "String character encoding"
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default LVGL_TXT_ENC_ASCII
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config LVGL_TXT_ENC_ASCII
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bool "ASCII string encoding"
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config LVGL_TXT_ENC_UTF8
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bool "UTF-8 string encoding"
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endchoice
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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_TEXT_LINE_BREAK_LONG_LEN
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int "Minimal word length for line break"
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default 12
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help
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If a word is at least this long, a line break is allowed in the word.
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If the length is 0, no line break is allowed in the middle of a word.
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config LVGL_TEXT_LINE_BREAK_LONG_PRE_MIN_LEN
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int "Minimal number of characters on line before line break"
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default 3
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help
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Minimal number of characters to place on a line before a line break
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in the middle of a word can occur.
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config LVGL_TEXT_LINE_BREAK_LONG_POST_MIN_LEN
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int "Minimal number of characters on line after line break"
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default 3
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help
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Minimal number of characters to place on a line after a line break
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occurred in the middle of a word.
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config LVGL_TEXT_COLOR_CMD
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string "Text recoloring control character"
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default "#"
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help
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Control character to use for signalling text recoloring
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config LVGL_TEXT_USE_BIDI
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bool "Enable bidirectional text support"
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help
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Enable bidirectional text support
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The direction of the text will be processed according to the
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Unicode Bidirectional Algorithm:
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https://www.w3.org/International/articles/inline-bidi-markup/uba-basics*/
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if LVGL_TEXT_USE_BIDI
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choice LVGL_TEXT_BIDI_MODE
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prompt "Bidirectional text processing direction"
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default LVGL_TEXT_BIDI_DIR_AUTO
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help
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Direction of bidirectional text processing
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config LVGL_TEXT_BIDI_DIR_AUTO
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bool "Automatically detect direction"
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config LVGL_TEXT_BIDI_DIR_LTR
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bool "Left-to-right"
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config LVGL_TEXT_BIDI_DIR_RTL
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bool "Right-to-left"
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endchoice
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endif
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config LVGL_ANTIALIAS
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bool "Enable anti-aliasing"
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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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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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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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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_IMG_CF_INDEXED
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bool "Enable indexed image support"
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default y
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help
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Enable support for indexed images
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config LVGL_IMG_CF_ALPHA
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bool "Enable alpha indexed image support"
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default y
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help
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Enable support for alpha indexed images
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config LVGL_IMG_INDEXED_CHROMA
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bool "Enable chroma keying for indexed images"
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help
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Enable chroma keying for indexed images
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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_IMG_CACHE_DEF_SIZE
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int "Default image cache size"
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default 1
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help
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Default image cache size, image caching keeps the images open.
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If only the built-in image formats are used there is no real
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advantage of caching. With complex image decoders (e.g. PNG or JPG)
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caching can save the continuous decoding of images. However the
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opened images might consume additional RAM.
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config LVGL_USE_DEBUG
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bool "Enable debug support"
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default y if TEST
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help
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Enable debug support.
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If debug support is enabled LVGL will validate the parameters of
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any function call made and if an invalid parameter is found __ASSERT
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is called.
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if LVGL_USE_DEBUG
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config LVGL_USE_ASSERT_NULL
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bool "Enable null pointer assertion"
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default y if TEST
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help
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Enable null pointer assertion
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Check if a null pointer is passed as a parameter (Quite fast)
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config LVGL_USE_ASSERT_MEM
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bool "Enable memory allocation assertion"
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default y if TEST
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help
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Enable memory allocation assertion
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Check if memory allocation is successful (Quite fast)
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config LVGL_USE_ASSERT_STR
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bool "Enable string assertion"
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default y if TEST
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help
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Enable string assertion
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Check if the string is not a NULL pointer, unusually long string,
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contains invalid characters or contains unusual repetitions. (Slow)
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If this option is disabled and NULL pointer checking is enabled, the
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NULL pointer check is executed instead.
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config LVGL_USE_ASSERT_OBJ
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bool "Enable object assertion"
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default y if TEST
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help
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Enable object assertion
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Check if an object is not a NULL pointer, has the correct type and
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does exists. (Quite Slow)
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If this option is disabled and NULL pointer checking is enabled, the
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NULL pointer check is executed instead.
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config LVGL_USE_ASSERT_STYLE
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bool "Enable style assertion"
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default y if TEST
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help
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Enable style assertion
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Check if a used style is correctly initialized. (Fast)
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endif
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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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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 # LVGL
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