Merge pull request #3 from tore-espressif/feature/color-inversion

Feature/color inversion

.editorconfig

@@ -0,0 +1,29 @@
+# EditorConfig helps developers define and maintain consistent
+# coding styles between different editors and IDEs
+# http://editorconfig.org
+
+root = true
+
+[*]
+indent_style = space
+indent_size = 4
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true
+
+[{*.md,*.rst}]
+trim_trailing_whitespace = false
+
+[{Makefile,*.mk,*.bat}]
+indent_style = tab
+indent_size = 2
+
+[{*.cmake,CMakeLists.txt}]
+indent_style = space
+indent_size = 4
+max_line_length = 120
+
+[{*.sh,*.yml}]
+indent_style = space
+indent_size = 2

lvgl_tft/Kconfig

@@ -579,16 +579,17 @@ menu "LVGL TFT Display controller"
         default 2
 
     config LV_INVERT_DISPLAY
-        bool "IN DEPRECATION - Invert display."
-        default y if LV_PREDEFINED_DISPLAY_M5STACK
+        bool "IN DEPRECATION - Invert display." if LV_TFT_DISPLAY_CONTROLLER_RA8875
+        default n
         help
             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 || LV_TFT_DISPLAY_CONTROLLER_SSD1306 || LV_TFT_DISPLAY_CONTROLLER_SH1107 || LV_TFT_DISPLAY_CONTROLLER_HX8357
         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

lvgl_tft/hx8357.c

@@ -200,8 +200,10 @@ void hx8357_init(void)
 
 	hx8357_set_rotation(1);
 
-#if HX8357_INVERT_DISPLAY
-	hx8357_send_cmd(HX8357_INVON);;
+#if HX8357_INVERT_COLORS
+	hx8357_send_cmd(HX8357_INVON);
+#else
+    hx8357_send_cmd(HX8357_INVOFF);
 #endif
 
 	hx8357_enable_backlight(true);

lvgl_tft/hx8357.h

@@ -40,6 +40,7 @@ extern "C" {
 #define HX8357_BCKL CONFIG_LV_DISP_PIN_BCKL
 
 #define HX8357_ENABLE_BACKLIGHT_CONTROL CONFIG_LV_ENABLE_BACKLIGHT_CONTROL
+#define HX8357_INVERT_COLORS            CONFIG_LV_INVERT_COLORS
 
 #if CONFIG_LV_BACKLIGHT_ACTIVE_LVL
   #define HX8357_BCKL_ACTIVE_LVL 1
@@ -47,9 +48,6 @@ extern "C" {
   #define HX8357_BCKL_ACTIVE_LVL 0
 #endif
 
-// if text/images are backwards, try setting this to 1
-#define HX8357_INVERT_DISPLAY CONFIG_LV_INVERT_DISPLAY
-
 
 /*******************
  * HX8357B/D REGS

lvgl_tft/sh1107.c

@@ -82,7 +82,7 @@ void sh1107_init(void)
     	{0xDA, {0}, 0},	// Set com pins
     	{0x12, {0}, 0},	// ...value
     	{0xA4, {0}, 0},	// output ram to display
-#if defined CONFIG_LV_INVERT_DISPLAY
+#if defined CONFIG_LV_INVERT_COLORS
     	{0xA7, {0}, 0},	// inverted display
 #else
     	{0xA6, {0}, 0},	// Non-inverted display

lvgl_tft/ssd1306.c

@@ -113,7 +113,7 @@ void ssd1306_init(void)
 
     uint8_t display_mode = 0;
 
-#if defined CONFIG_LV_INVERT_DISPLAY
+#if defined CONFIG_LV_INVERT_COLORS
     display_mode = OLED_CMD_DISPLAY_INVERTED;
 #else
     display_mode = OLED_CMD_DISPLAY_NORMAL;

lvgl_tft/st7789.c

@@ -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},

lvgl_tft/st7789.h

@@ -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