CONFIG_LVGL_VDB_SIZE

Virtual Display Buffer Size

Type: int

Help

Virtual Display Buffer (double buffering) size as a percentage of total display size.

Direct dependencies

(LVGL && (BOARD_MIMXRT1050_EVK || BOARD_MIMXRT1050_EVK_QSPI)) || (LVGL && (BOARD_MIMXRT1060_EVK || BOARD_MIMXRT1060_EVK_HYPERFLASH)) || (LVGL && BOARD_MIMXRT1064_EVK) || (!LVGL_TRUE_DOUBLE_BUFFERED && LVGL)

(Includes any dependencies from if’s and menus.)

Kconfig definitions

At boards/arm/mimxrt1050_evk/Kconfig.defconfig:85

Included via Kconfig:10Kconfig.zephyr:21

Menu path: (top menu)

config LVGL_VDB_SIZE
    int
    default 16 if LVGL && (BOARD_MIMXRT1050_EVK || BOARD_MIMXRT1050_EVK_QSPI)
    depends on LVGL && (BOARD_MIMXRT1050_EVK || BOARD_MIMXRT1050_EVK_QSPI)

At boards/arm/mimxrt1060_evk/Kconfig.defconfig:53

Included via Kconfig:10Kconfig.zephyr:21

Menu path: (top menu)

config LVGL_VDB_SIZE
    int
    default 16 if LVGL && (BOARD_MIMXRT1060_EVK || BOARD_MIMXRT1060_EVK_HYPERFLASH)
    depends on LVGL && (BOARD_MIMXRT1060_EVK || BOARD_MIMXRT1060_EVK_HYPERFLASH)

At boards/arm/mimxrt1064_evk/Kconfig.defconfig:59

Included via Kconfig:10Kconfig.zephyr:21

Menu path: (top menu)

config LVGL_VDB_SIZE
    int
    default 16 if LVGL && BOARD_MIMXRT1064_EVK
    depends on LVGL && BOARD_MIMXRT1064_EVK

At lib/gui/lvgl/Kconfig:185

Included via Kconfig:10Kconfig.zephyr:37lib/Kconfig:15lib/gui/Kconfig:9

Menu path: (top menu) → Additional libraries → Graphical user interface → LittlevGL Support

config LVGL_VDB_SIZE
    int
    prompt "Virtual Display Buffer Size" if !LVGL_TRUE_DOUBLE_BUFFERED && LVGL
    range 1 100 if !LVGL_TRUE_DOUBLE_BUFFERED && LVGL
    default 10 if !LVGL_TRUE_DOUBLE_BUFFERED && LVGL
    depends on !LVGL_TRUE_DOUBLE_BUFFERED && LVGL
    help
      Virtual Display Buffer (double buffering) size as a percentage of
      total display size.

(Definitions include propagated dependencies, including from if’s and menus.)