CONFIG_LVGL_BITS_PER_PIXEL¶

Bits per pixel

Type: int

Help¶

Number of bits per pixel.

Direct dependencies¶

(LVGL && DISPLAY && SHIELD_ADAFRUIT_2_8_TFT_TOUCH_V2) || (LVGL && DISPLAY && SHIELD_BUYDISPLAY_2_8_TFT_TOUCH_ARDUINO) || (LVGL && DISPLAY && SHIELD_BUYDISPLAY_3_5_TFT_TOUCH_ARDUINO) || (LVGL && DISPLAY && (SHIELD_SSD1306_128X64 || SHIELD_SSD1306_128X64_SPI || SHIELD_SSD1306_128X32 || SHIELD_SH1106_128X64)) || (LVGL && DISPLAY && (SHIELD_ST7789V_TL019FQV01 || SHIELD_ST7789V_WAVESHARE_240X240)) || (LVGL && DISPLAY && (SHIELD_WAVESHARE_EPAPER_GDEH029A1 || SHIELD_WAVESHARE_EPAPER_GDEH0213B1 || SHIELD_WAVESHARE_EPAPER_GDEH0213B72 || SHIELD_WAVESHARE_EPAPER_GDEW075T7 || SHIELD_WAVESHARE_EPAPER_GDEH0154A07)) || (LVGL && (BOARD_REEL_BOARD || BOARD_REEL_BOARD_V2)) || (LVGL && DISPLAY && SHIELD_ADAFRUIT_2_8_TFT_TOUCH_V2) || (LVGL && DISPLAY && SHIELD_BUYDISPLAY_2_8_TFT_TOUCH_ARDUINO) || (LVGL && DISPLAY && SHIELD_BUYDISPLAY_3_5_TFT_TOUCH_ARDUINO) || (LVGL && DISPLAY && (SHIELD_SSD1306_128X64 || SHIELD_SSD1306_128X64_SPI || SHIELD_SSD1306_128X32 || SHIELD_SH1106_128X64)) || (LVGL && DISPLAY && (SHIELD_ST7789V_TL019FQV01 || SHIELD_ST7789V_WAVESHARE_240X240)) || (LVGL && DISPLAY && (SHIELD_WAVESHARE_EPAPER_GDEH029A1 || SHIELD_WAVESHARE_EPAPER_GDEH0213B1 || SHIELD_WAVESHARE_EPAPER_GDEH0213B72 || SHIELD_WAVESHARE_EPAPER_GDEW075T7 || SHIELD_WAVESHARE_EPAPER_GDEH0154A07)) || (LVGL_BUFFER_ALLOC_STATIC && LVGL)

(Includes any dependencies from ifs and menus.)

Defaults¶

24
16
24
1
24 if SHIELD_ST7789V_TL019FQV01
16 if SHIELD_ST7789V_WAVESHARE_240X240
1
1
24
16
24
1
24 if SHIELD_ST7789V_TL019FQV01
16 if SHIELD_ST7789V_WAVESHARE_240X240
1
32

Kconfig definitions¶

At <Zephyr>/boards/shields/adafruit_2_8_tft_touch_v2/Kconfig.defconfig:45

Included via <Zephyr>/Kconfig:8 → <Zephyr>/Kconfig.zephyr:17 → <BuildDir>/Kconfig/Kconfig.shield.defconfig:1

Menu path: (Top)

config LVGL_BITS_PER_PIXEL
    int
    default 24
    depends on LVGL && DISPLAY && SHIELD_ADAFRUIT_2_8_TFT_TOUCH_V2

At <Zephyr>/boards/shields/buydisplay_2_8_tft_touch_arduino/Kconfig.defconfig:45

Included via <Zephyr>/Kconfig:8 → <Zephyr>/Kconfig.zephyr:17 → <BuildDir>/Kconfig/Kconfig.shield.defconfig:1

Menu path: (Top)

config LVGL_BITS_PER_PIXEL
    int
    default 16
    depends on LVGL && DISPLAY && SHIELD_BUYDISPLAY_2_8_TFT_TOUCH_ARDUINO

At <Zephyr>/boards/shields/buydisplay_3_5_tft_touch_arduino/Kconfig.defconfig:45

Included via <Zephyr>/Kconfig:8 → <Zephyr>/Kconfig.zephyr:17 → <BuildDir>/Kconfig/Kconfig.shield.defconfig:1

Menu path: (Top)

config LVGL_BITS_PER_PIXEL
    int
    default 24
    depends on LVGL && DISPLAY && SHIELD_BUYDISPLAY_3_5_TFT_TOUCH_ARDUINO

At <Zephyr>/boards/shields/ssd1306/Kconfig.defconfig:48

Included via <Zephyr>/Kconfig:8 → <Zephyr>/Kconfig.zephyr:17 → <BuildDir>/Kconfig/Kconfig.shield.defconfig:1

Menu path: (Top)

config LVGL_BITS_PER_PIXEL
    int
    default 1
    depends on LVGL && DISPLAY && (SHIELD_SSD1306_128X64 || SHIELD_SSD1306_128X64_SPI || SHIELD_SSD1306_128X32 || SHIELD_SH1106_128X64)

At <Zephyr>/boards/shields/st7789v_generic/Kconfig.defconfig:32

Included via <Zephyr>/Kconfig:8 → <Zephyr>/Kconfig.zephyr:17 → <BuildDir>/Kconfig/Kconfig.shield.defconfig:1

Menu path: (Top)

config LVGL_BITS_PER_PIXEL
    int
    default 24 if SHIELD_ST7789V_TL019FQV01
    default 16 if SHIELD_ST7789V_WAVESHARE_240X240
    depends on LVGL && DISPLAY && (SHIELD_ST7789V_TL019FQV01 || SHIELD_ST7789V_WAVESHARE_240X240)

At <Zephyr>/boards/shields/waveshare_epaper/Kconfig.defconfig:57

Included via <Zephyr>/Kconfig:8 → <Zephyr>/Kconfig.zephyr:17 → <BuildDir>/Kconfig/Kconfig.shield.defconfig:1

Menu path: (Top)

config LVGL_BITS_PER_PIXEL
    int
    default 1
    depends on LVGL && DISPLAY && (SHIELD_WAVESHARE_EPAPER_GDEH029A1 || SHIELD_WAVESHARE_EPAPER_GDEH0213B1 || SHIELD_WAVESHARE_EPAPER_GDEH0213B72 || SHIELD_WAVESHARE_EPAPER_GDEW075T7 || SHIELD_WAVESHARE_EPAPER_GDEH0154A07)

At <Zephyr>/boards/arm/reel_board/Kconfig.defconfig:48

Included via <Zephyr>/Kconfig:8 → <Zephyr>/Kconfig.zephyr:18

Menu path: (Top)

config LVGL_BITS_PER_PIXEL
    int
    default 1
    depends on LVGL && (BOARD_REEL_BOARD || BOARD_REEL_BOARD_V2)

At <Zephyr>/boards/shields/adafruit_2_8_tft_touch_v2/Kconfig.defconfig:45

Included via <Zephyr>/Kconfig:8 → <Zephyr>/Kconfig.zephyr:18

Menu path: (Top)

config LVGL_BITS_PER_PIXEL
    int
    default 24
    depends on LVGL && DISPLAY && SHIELD_ADAFRUIT_2_8_TFT_TOUCH_V2

At <Zephyr>/boards/shields/buydisplay_2_8_tft_touch_arduino/Kconfig.defconfig:45

Included via <Zephyr>/Kconfig:8 → <Zephyr>/Kconfig.zephyr:18

Menu path: (Top)

config LVGL_BITS_PER_PIXEL
    int
    default 16
    depends on LVGL && DISPLAY && SHIELD_BUYDISPLAY_2_8_TFT_TOUCH_ARDUINO

At <Zephyr>/boards/shields/buydisplay_3_5_tft_touch_arduino/Kconfig.defconfig:45

Included via <Zephyr>/Kconfig:8 → <Zephyr>/Kconfig.zephyr:18

Menu path: (Top)

config LVGL_BITS_PER_PIXEL
    int
    default 24
    depends on LVGL && DISPLAY && SHIELD_BUYDISPLAY_3_5_TFT_TOUCH_ARDUINO

At <Zephyr>/boards/shields/ssd1306/Kconfig.defconfig:48

Included via <Zephyr>/Kconfig:8 → <Zephyr>/Kconfig.zephyr:18

Menu path: (Top)

config LVGL_BITS_PER_PIXEL
    int
    default 1
    depends on LVGL && DISPLAY && (SHIELD_SSD1306_128X64 || SHIELD_SSD1306_128X64_SPI || SHIELD_SSD1306_128X32 || SHIELD_SH1106_128X64)

At <Zephyr>/boards/shields/st7789v_generic/Kconfig.defconfig:32

Included via <Zephyr>/Kconfig:8 → <Zephyr>/Kconfig.zephyr:18

Menu path: (Top)

config LVGL_BITS_PER_PIXEL
    int
    default 24 if SHIELD_ST7789V_TL019FQV01
    default 16 if SHIELD_ST7789V_WAVESHARE_240X240
    depends on LVGL && DISPLAY && (SHIELD_ST7789V_TL019FQV01 || SHIELD_ST7789V_WAVESHARE_240X240)

At <Zephyr>/boards/shields/waveshare_epaper/Kconfig.defconfig:57

Included via <Zephyr>/Kconfig:8 → <Zephyr>/Kconfig.zephyr:18

Menu path: (Top)

config LVGL_BITS_PER_PIXEL
    int
    default 1
    depends on LVGL && DISPLAY && (SHIELD_WAVESHARE_EPAPER_GDEH029A1 || SHIELD_WAVESHARE_EPAPER_GDEH0213B1 || SHIELD_WAVESHARE_EPAPER_GDEH0213B72 || SHIELD_WAVESHARE_EPAPER_GDEW075T7 || SHIELD_WAVESHARE_EPAPER_GDEH0154A07)

At <Zephyr>/lib/gui/lvgl/Kconfig.memory:7

Included via <Zephyr>/Kconfig:8 → <Zephyr>/Kconfig.zephyr:33 → <Zephyr>/lib/Kconfig:14 → <Zephyr>/lib/gui/Kconfig:4 → <Zephyr>/lib/gui/lvgl/Kconfig:25

Menu path: (Top) → Additional libraries → LittlevGL GUI library → Memory manager settings

config LVGL_BITS_PER_PIXEL
    int "Bits per pixel"
    range 1 32
    default 32
    depends on LVGL_BUFFER_ALLOC_STATIC && LVGL
    help
      Number of bits per pixel.

(The ‘depends on’ condition includes propagated dependencies from ifs and menus.)

Kconfig reference

nRF Connect SDK

nrfxlib

Zephyr

MCUboot