Added BGR565 pixel format to HX8353 display driver and graphics module

openrtx/src/core/graphics.c

@@ -90,7 +90,7 @@ static const GFXfont fonts[] = { TomThumb,            // 5pt
                                  Symbols8pt7b       // 8pt
                                };
 
-#ifdef PIX_FMT_RGB565
+#if defined(PIX_FMT_RGB565) || defined(PIX_FMT_BGR565)
 
 /* This specialization is meant for an RGB565 little endian pixel format.
  * Thus, to accomodate for the endianness, the fields in struct rgb565_t have to
@@ -163,7 +163,7 @@ void gfx_init()
     initialized = 1;
 
 // Calculate framebuffer size
-#ifdef PIX_FMT_RGB565
+#if defined(PIX_FMT_RGB565) || defined(PIX_FMT_BGR565)
     fbSize = SCREEN_HEIGHT * SCREEN_WIDTH * sizeof(PIXEL_T);
 #elif defined PIX_FMT_BW
     fbSize = (SCREEN_HEIGHT * SCREEN_WIDTH) / 8;
@@ -232,7 +232,7 @@ inline void gfx_setPixel(point_t pos, color_t color)
             || pos.x < 0 || pos.y < 0)
         return; // off the screen
 
-#ifdef PIX_FMT_RGB565
+#if defined(PIX_FMT_RGB565) || defined(PIX_FMT_BGR565)
     // Blend old pixel value and new one
     if (color.alpha < 255)
     {
@@ -671,7 +671,7 @@ void gfx_drawBattery(point_t start, uint16_t width, uint16_t height,
     // Cap percentage to 1
     percentage = (percentage > 100) ? 100 : percentage;
 
-#ifdef PIX_FMT_RGB565
+#if defined(PIX_FMT_RGB565) || defined(PIX_FMT_BGR565)
     color_t green =  {0,   255, 0  , 255};
     color_t yellow = {250, 180, 19 , 255};
     color_t red =    {255, 0,   0  , 255};

platform/drivers/display/HX8353_MD3x.cpp

@@ -396,19 +396,32 @@ void display_init()
      * - bit 1 and 0: don't care
      */
 
+    uint8_t reg;
+    switch(lcd_type)
+    {
+        case 1:
+            reg = (1 << 6)  // Invert x
+                | (1 << 5); // Exchange x and y
+            break;
+
+        case 2:
+            reg = (1 << 7)  // Invert y
+                | (1 << 6)  // Invert x
+                | (1 << 5); // Exchange x and y
+            break;
+
+        default:
+            reg = (1 << 7)  // Invert y
+                | (1 << 5); // Exchange x and y
+            break;
+    }
+
+    #ifdef PIX_FMT_BGR565
+    reg |= (1 << 3);        // BGR pixel format
+    #endif
+
     writeCmd(CMD_MADCTL);
-    if(lcd_type == 1)
-    {
-        writeData(0x60);    /* Reference case: MD-390(G)  */
-    }
-    else if(lcd_type == 2)
-    {
-        writeData(0xE0);    /* Reference case: MD-380V(G) */
-    }
-    else
-    {
-        writeData(0xA0);    /* Reference case: MD-380     */
-    }
+    writeData(reg);
 
     writeCmd(CMD_CASET);
     writeData(0x00);