:orphan: .. title:: CONFIG_LVGL_VDB_SIZE .. kconfig:: CONFIG_LVGL_VDB_SIZE CONFIG_LVGL_VDB_SIZE #################### *Display buffer percentage* *Display buffer percentage* *Display buffer percentage* *Rendering buffer size* Type: ``int`` Help ==== .. code-block:: none Size of the buffer used for rendering screen content as a percentage of total display size. Direct dependencies =================== (\ :kconfig:`LVGL ` && \ :kconfig:`DISPLAY ` && \ :kconfig:`SHIELD_ADAFRUIT_2_8_TFT_TOUCH_V2 `) || (\ :kconfig:`LVGL ` && \ :kconfig:`DISPLAY ` && \ :kconfig:`SHIELD_BUYDISPLAY_2_8_TFT_TOUCH_ARDUINO `) || (\ :kconfig:`LVGL ` && \ :kconfig:`DISPLAY ` && \ :kconfig:`SHIELD_BUYDISPLAY_3_5_TFT_TOUCH_ARDUINO `) || (\ :kconfig:`LVGL ` && \ :kconfig:`DISPLAY ` && \ :kconfig:`SHIELD_LS013B7DH03 `) || (\ :kconfig:`LVGL ` && \ :kconfig:`DISPLAY ` && (\ :kconfig:`SHIELD_SSD1306_128X64 ` || \ :kconfig:`SHIELD_SSD1306_128X64_SPI ` || \ :kconfig:`SHIELD_SSD1306_128X32 ` || \ :kconfig:`SHIELD_SH1106_128X64 `)) || (\ :kconfig:`LVGL ` && \ :kconfig:`DISPLAY ` && (\ :kconfig:`SHIELD_WAVESHARE_EPAPER_GDEH029A1 ` || \ :kconfig:`SHIELD_WAVESHARE_EPAPER_GDEH0213B1 ` || \ :kconfig:`SHIELD_WAVESHARE_EPAPER_GDEH0213B72 ` || \ :kconfig:`SHIELD_WAVESHARE_EPAPER_GDEW075T7 ` || \ :kconfig:`SHIELD_WAVESHARE_EPAPER_GDEH0154A07 ` || \ :kconfig:`SHIELD_WAVESHARE_EPAPER_GDEW042T2 `)) || (\ :kconfig:`LVGL ` && \ :kconfig:`DISPLAY ` && \ :kconfig:`SHIELD_ADAFRUIT_2_8_TFT_TOUCH_V2 `) || (\ :kconfig:`LVGL ` && \ :kconfig:`DISPLAY ` && \ :kconfig:`SHIELD_BUYDISPLAY_2_8_TFT_TOUCH_ARDUINO `) || (\ :kconfig:`LVGL ` && \ :kconfig:`DISPLAY ` && \ :kconfig:`SHIELD_BUYDISPLAY_3_5_TFT_TOUCH_ARDUINO `) || (\ :kconfig:`LVGL ` && \ :kconfig:`DISPLAY ` && \ :kconfig:`SHIELD_LS013B7DH03 `) || (\ :kconfig:`LVGL ` && \ :kconfig:`DISPLAY ` && (\ :kconfig:`SHIELD_SSD1306_128X64 ` || \ :kconfig:`SHIELD_SSD1306_128X64_SPI ` || \ :kconfig:`SHIELD_SSD1306_128X32 ` || \ :kconfig:`SHIELD_SH1106_128X64 `)) || (\ :kconfig:`LVGL ` && \ :kconfig:`DISPLAY ` && (\ :kconfig:`SHIELD_WAVESHARE_EPAPER_GDEH029A1 ` || \ :kconfig:`SHIELD_WAVESHARE_EPAPER_GDEH0213B1 ` || \ :kconfig:`SHIELD_WAVESHARE_EPAPER_GDEH0213B72 ` || \ :kconfig:`SHIELD_WAVESHARE_EPAPER_GDEW075T7 ` || \ :kconfig:`SHIELD_WAVESHARE_EPAPER_GDEH0154A07 ` || \ :kconfig:`SHIELD_WAVESHARE_EPAPER_GDEW042T2 `)) || (\ :kconfig:`LVGL ` && (\ :kconfig:`BOARD_MIMXRT1050_EVK ` || \ :kconfig:`BOARD_MIMXRT1050_EVK_QSPI `)) || (\ :kconfig:`LVGL ` && (\ :kconfig:`BOARD_MIMXRT1060_EVK ` || \ :kconfig:`BOARD_MIMXRT1060_EVK_HYPERFLASH `)) || (\ :kconfig:`LVGL ` && \ :kconfig:`BOARD_MIMXRT1064_EVK `) || (\ :kconfig:`LVGL ` && (\ :kconfig:`BOARD_REEL_BOARD ` || \ :kconfig:`BOARD_REEL_BOARD_V2 `)) || (\ :kconfig:`LVGL ` && \ :kconfig:`DISPLAY ` && \ :kconfig:`SHIELD_ADAFRUIT_2_8_TFT_TOUCH_V2 `) || (\ :kconfig:`LVGL ` && \ :kconfig:`DISPLAY ` && \ :kconfig:`SHIELD_BUYDISPLAY_2_8_TFT_TOUCH_ARDUINO `) || (\ :kconfig:`LVGL ` && \ :kconfig:`DISPLAY ` && \ :kconfig:`SHIELD_BUYDISPLAY_3_5_TFT_TOUCH_ARDUINO `) || (\ :kconfig:`LVGL ` && \ :kconfig:`DISPLAY ` && \ :kconfig:`SHIELD_LS013B7DH03 `) || (\ :kconfig:`LVGL ` && \ :kconfig:`DISPLAY ` && (\ :kconfig:`SHIELD_SSD1306_128X64 ` || \ :kconfig:`SHIELD_SSD1306_128X64_SPI ` || \ :kconfig:`SHIELD_SSD1306_128X32 ` || \ :kconfig:`SHIELD_SH1106_128X64 `)) || (\ :kconfig:`LVGL ` && \ :kconfig:`DISPLAY ` && (\ :kconfig:`SHIELD_WAVESHARE_EPAPER_GDEH029A1 ` || \ :kconfig:`SHIELD_WAVESHARE_EPAPER_GDEH0213B1 ` || \ :kconfig:`SHIELD_WAVESHARE_EPAPER_GDEH0213B72 ` || \ :kconfig:`SHIELD_WAVESHARE_EPAPER_GDEW075T7 ` || \ :kconfig:`SHIELD_WAVESHARE_EPAPER_GDEH0154A07 ` || \ :kconfig:`SHIELD_WAVESHARE_EPAPER_GDEW042T2 `)) || \ :kconfig:`LVGL ` *(Includes any dependencies from ifs and menus.)* Defaults ======== - 64 - 64 - 32 - 16 - 64 - 16 if \ :kconfig:`SHIELD_WAVESHARE_EPAPER_GDEW075T7 ` - 16 - 64 - 64 - 32 - 16 - 64 - 16 if \ :kconfig:`SHIELD_WAVESHARE_EPAPER_GDEW075T7 ` - 16 - 16 - 16 - 16 - 16 - 64 - 64 - 32 - 16 - 64 - 16 if \ :kconfig:`SHIELD_WAVESHARE_EPAPER_GDEW075T7 ` - 16 - 10 Kconfig definitions =================== At ``/shields/adafruit_2_8_tft_touch_v2/Kconfig.defconfig:42`` Included via ``Kconfig:8`` → ``Kconfig.zephyr:18`` → ``/kconfig/Kconfig.shield.defconfig:1`` Menu path: (Top) .. code-block:: kconfig config LVGL_VDB_SIZE int default 64 depends on LVGL && DISPLAY && SHIELD_ADAFRUIT_2_8_TFT_TOUCH_V2 ---- At ``/shields/buydisplay_2_8_tft_touch_arduino/Kconfig.defconfig:39`` Included via ``Kconfig:8`` → ``Kconfig.zephyr:18`` → ``/kconfig/Kconfig.shield.defconfig:1`` Menu path: (Top) .. code-block:: kconfig config LVGL_VDB_SIZE int default 64 depends on LVGL && DISPLAY && SHIELD_BUYDISPLAY_2_8_TFT_TOUCH_ARDUINO ---- At ``/shields/buydisplay_3_5_tft_touch_arduino/Kconfig.defconfig:39`` Included via ``Kconfig:8`` → ``Kconfig.zephyr:18`` → ``/kconfig/Kconfig.shield.defconfig:1`` Menu path: (Top) .. code-block:: kconfig config LVGL_VDB_SIZE int default 32 depends on LVGL && DISPLAY && SHIELD_BUYDISPLAY_3_5_TFT_TOUCH_ARDUINO ---- At ``/shields/ls0xx_generic/Kconfig.defconfig:28`` Included via ``Kconfig:8`` → ``Kconfig.zephyr:18`` → ``/kconfig/Kconfig.shield.defconfig:1`` Menu path: (Top) .. code-block:: kconfig config LVGL_VDB_SIZE int "Display buffer percentage" default 16 depends on LVGL && DISPLAY && SHIELD_LS013B7DH03 ---- At ``/shields/ssd1306/Kconfig.defconfig:41`` Included via ``Kconfig:8`` → ``Kconfig.zephyr:18`` → ``/kconfig/Kconfig.shield.defconfig:1`` Menu path: (Top) .. code-block:: kconfig config LVGL_VDB_SIZE int default 64 depends on LVGL && DISPLAY && (SHIELD_SSD1306_128X64 || SHIELD_SSD1306_128X64_SPI || SHIELD_SSD1306_128X32 || SHIELD_SH1106_128X64) ---- At ``/shields/waveshare_epaper/Kconfig.defconfig:49`` Included via ``Kconfig:8`` → ``Kconfig.zephyr:18`` → ``/kconfig/Kconfig.shield.defconfig:1`` Menu path: (Top) .. code-block:: kconfig config LVGL_VDB_SIZE int default 16 if SHIELD_WAVESHARE_EPAPER_GDEW075T7 default 16 depends on LVGL && DISPLAY && (SHIELD_WAVESHARE_EPAPER_GDEH029A1 || SHIELD_WAVESHARE_EPAPER_GDEH0213B1 || SHIELD_WAVESHARE_EPAPER_GDEH0213B72 || SHIELD_WAVESHARE_EPAPER_GDEW075T7 || SHIELD_WAVESHARE_EPAPER_GDEH0154A07 || SHIELD_WAVESHARE_EPAPER_GDEW042T2) ---- At ``/shields/adafruit_2_8_tft_touch_v2/Kconfig.defconfig:42`` Included via ``Kconfig:8`` → ``Kconfig.zephyr:20`` Menu path: (Top) .. code-block:: kconfig config LVGL_VDB_SIZE int default 64 depends on LVGL && DISPLAY && SHIELD_ADAFRUIT_2_8_TFT_TOUCH_V2 ---- At ``/shields/buydisplay_2_8_tft_touch_arduino/Kconfig.defconfig:39`` Included via ``Kconfig:8`` → ``Kconfig.zephyr:20`` Menu path: (Top) .. code-block:: kconfig config LVGL_VDB_SIZE int default 64 depends on LVGL && DISPLAY && SHIELD_BUYDISPLAY_2_8_TFT_TOUCH_ARDUINO ---- At ``/shields/buydisplay_3_5_tft_touch_arduino/Kconfig.defconfig:39`` Included via ``Kconfig:8`` → ``Kconfig.zephyr:20`` Menu path: (Top) .. code-block:: kconfig config LVGL_VDB_SIZE int default 32 depends on LVGL && DISPLAY && SHIELD_BUYDISPLAY_3_5_TFT_TOUCH_ARDUINO ---- At ``/shields/ls0xx_generic/Kconfig.defconfig:28`` Included via ``Kconfig:8`` → ``Kconfig.zephyr:20`` Menu path: (Top) .. code-block:: kconfig config LVGL_VDB_SIZE int "Display buffer percentage" default 16 depends on LVGL && DISPLAY && SHIELD_LS013B7DH03 ---- At ``/shields/ssd1306/Kconfig.defconfig:41`` Included via ``Kconfig:8`` → ``Kconfig.zephyr:20`` Menu path: (Top) .. code-block:: kconfig config LVGL_VDB_SIZE int default 64 depends on LVGL && DISPLAY && (SHIELD_SSD1306_128X64 || SHIELD_SSD1306_128X64_SPI || SHIELD_SSD1306_128X32 || SHIELD_SH1106_128X64) ---- At ``/shields/waveshare_epaper/Kconfig.defconfig:49`` Included via ``Kconfig:8`` → ``Kconfig.zephyr:20`` Menu path: (Top) .. code-block:: kconfig config LVGL_VDB_SIZE int default 16 if SHIELD_WAVESHARE_EPAPER_GDEW075T7 default 16 depends on LVGL && DISPLAY && (SHIELD_WAVESHARE_EPAPER_GDEH029A1 || SHIELD_WAVESHARE_EPAPER_GDEH0213B1 || SHIELD_WAVESHARE_EPAPER_GDEH0213B72 || SHIELD_WAVESHARE_EPAPER_GDEW075T7 || SHIELD_WAVESHARE_EPAPER_GDEH0154A07 || SHIELD_WAVESHARE_EPAPER_GDEW042T2) ---- At ``/arm/mimxrt1050_evk/Kconfig.defconfig:58`` Included via ``Kconfig:8`` → ``Kconfig.zephyr:22`` Menu path: (Top) .. code-block:: kconfig config LVGL_VDB_SIZE int default 16 depends on LVGL && (BOARD_MIMXRT1050_EVK || BOARD_MIMXRT1050_EVK_QSPI) ---- At ``/arm/mimxrt1060_evk/Kconfig.defconfig:65`` Included via ``Kconfig:8`` → ``Kconfig.zephyr:22`` Menu path: (Top) .. code-block:: kconfig config LVGL_VDB_SIZE int default 16 depends on LVGL && (BOARD_MIMXRT1060_EVK || BOARD_MIMXRT1060_EVK_HYPERFLASH) ---- At ``/arm/mimxrt1064_evk/Kconfig.defconfig:64`` Included via ``Kconfig:8`` → ``Kconfig.zephyr:22`` Menu path: (Top) .. code-block:: kconfig config LVGL_VDB_SIZE int default 16 depends on LVGL && BOARD_MIMXRT1064_EVK ---- At ``/arm/reel_board/Kconfig.defconfig:50`` Included via ``Kconfig:8`` → ``Kconfig.zephyr:22`` Menu path: (Top) .. code-block:: kconfig config LVGL_VDB_SIZE int default 16 depends on LVGL && (BOARD_REEL_BOARD || BOARD_REEL_BOARD_V2) ---- At ``/shields/adafruit_2_8_tft_touch_v2/Kconfig.defconfig:42`` Included via ``Kconfig:8`` → ``Kconfig.zephyr:22`` Menu path: (Top) .. code-block:: kconfig config LVGL_VDB_SIZE int default 64 depends on LVGL && DISPLAY && SHIELD_ADAFRUIT_2_8_TFT_TOUCH_V2 ---- At ``/shields/buydisplay_2_8_tft_touch_arduino/Kconfig.defconfig:39`` Included via ``Kconfig:8`` → ``Kconfig.zephyr:22`` Menu path: (Top) .. code-block:: kconfig config LVGL_VDB_SIZE int default 64 depends on LVGL && DISPLAY && SHIELD_BUYDISPLAY_2_8_TFT_TOUCH_ARDUINO ---- At ``/shields/buydisplay_3_5_tft_touch_arduino/Kconfig.defconfig:39`` Included via ``Kconfig:8`` → ``Kconfig.zephyr:22`` Menu path: (Top) .. code-block:: kconfig config LVGL_VDB_SIZE int default 32 depends on LVGL && DISPLAY && SHIELD_BUYDISPLAY_3_5_TFT_TOUCH_ARDUINO ---- At ``/shields/ls0xx_generic/Kconfig.defconfig:28`` Included via ``Kconfig:8`` → ``Kconfig.zephyr:22`` Menu path: (Top) .. code-block:: kconfig config LVGL_VDB_SIZE int "Display buffer percentage" default 16 depends on LVGL && DISPLAY && SHIELD_LS013B7DH03 ---- At ``/shields/ssd1306/Kconfig.defconfig:41`` Included via ``Kconfig:8`` → ``Kconfig.zephyr:22`` Menu path: (Top) .. code-block:: kconfig config LVGL_VDB_SIZE int default 64 depends on LVGL && DISPLAY && (SHIELD_SSD1306_128X64 || SHIELD_SSD1306_128X64_SPI || SHIELD_SSD1306_128X32 || SHIELD_SH1106_128X64) ---- At ``/shields/waveshare_epaper/Kconfig.defconfig:49`` Included via ``Kconfig:8`` → ``Kconfig.zephyr:22`` Menu path: (Top) .. code-block:: kconfig config LVGL_VDB_SIZE int default 16 if SHIELD_WAVESHARE_EPAPER_GDEW075T7 default 16 depends on LVGL && DISPLAY && (SHIELD_WAVESHARE_EPAPER_GDEH029A1 || SHIELD_WAVESHARE_EPAPER_GDEH0213B1 || SHIELD_WAVESHARE_EPAPER_GDEH0213B72 || SHIELD_WAVESHARE_EPAPER_GDEW075T7 || SHIELD_WAVESHARE_EPAPER_GDEH0154A07 || SHIELD_WAVESHARE_EPAPER_GDEW042T2) ---- At ``/gui/lvgl/Kconfig.memory:68`` Included via ``Kconfig:8`` → ``Kconfig.zephyr:43`` → ``/Kconfig:8`` → ``/gui/Kconfig:4`` → ``/gui/lvgl/Kconfig:25`` Menu path: (Top) → Additional libraries → LittlevGL GUI library → Memory manager settings .. code-block:: kconfig config LVGL_VDB_SIZE int "Rendering buffer size" range 1 100 default 10 depends on LVGL help Size of the buffer used for rendering screen content as a percentage of total display size. *(The 'depends on' condition includes propagated dependencies from ifs and menus.)*