zenermerps/lvgl_esp32_drivers
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Add 7789 color invert option

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This commit is contained in:
Tomas Rezucha 2021-02-12 10:18:01 +01:00
parent cbb08b2c3d
commit c90f6a4831
3 changed files with 29 additions and 21 deletions
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3
lvgl_tft/Kconfig
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@ -585,10 +585,11 @@ menu "LVGL TFT Display controller"
If text is backwards on your display, try enabling this.
config LV_INVERT_COLORS
bool "Invert colors in display" if LV_TFT_DISPLAY_CONTROLLER_ILI9341 || LV_TFT_DISPLAY_CONTROLLER_ST7735S || LV_TFT_DISPLAY_CONTROLLER_ILI9481
bool "Invert colors in display" if LV_TFT_DISPLAY_CONTROLLER_ILI9341 || LV_TFT_DISPLAY_CONTROLLER_ST7735S || LV_TFT_DISPLAY_CONTROLLER_ILI9481 || LV_TFT_DISPLAY_CONTROLLER_ST7789
default y if LV_PREDEFINED_DISPLAY_M5STACK || LV_PREDEFINED_DISPLAY_M5STICKC
help
If the colors look inverted on your display, try enabling this.
If it didn't help try LVGL configuration -> Swap the 2 bytes of RGB565 color.
config LV_M5STICKC_HANDLE_AXP192
bool "Handle Backlight and TFT power for M5StickC using AXP192." if LV_PREDEFINED_DISPLAY_M5STICKC || LV_TFT_DISPLAY_CONTROLLER_ST7735S

8
lvgl_tft/st7789.c
View file

@ -65,7 +65,13 @@ void st7789_init(void)
{ST7789_CABCCTRL, {0xBE}, 1},
{ST7789_MADCTL, {0x00}, 1}, // Set to 0x28 if your display is flipped
{ST7789_COLMOD, {0x55}, 1},
{ST7789_INVON, {0}, 0},
#if ST7789_INVERT_COLORS == 1
{ST7789_INVON, {0}, 0}, // set inverted mode
#else
{ST7789_INVOFF, {0}, 0}, // set non-inverted mode
#endif
{ST7789_RGBCTRL, {0x00, 0x1B}, 2},
{0xF2, {0x08}, 1},
{ST7789_GAMSET, {0x01}, 1},

1
lvgl_tft/st7789.h
View file

@ -26,6 +26,7 @@ extern "C"
#define ST7789_BCKL CONFIG_LV_DISP_PIN_BCKL
#define ST7789_ENABLE_BACKLIGHT_CONTROL CONFIG_LV_ENABLE_BACKLIGHT_CONTROL
#define ST7789_INVERT_COLORS CONFIG_LV_INVERT_COLORS
#if CONFIG_LV_BACKLIGHT_ACTIVE_LVL
#define ST7789_BCKL_ACTIVE_LVL 1