Use compressed splash image

radio/src/bitmaps/480x272/CMakeLists.txt

@@ -20,6 +20,8 @@ set(BITMAP_RLE_ARGS ${BITMAP_ARGS} --rle)
 set(MASK_RLE_ARGS ${MASK_ARGS} --rle)
 
 add_bitmaps_target(${BITMAP_TARGET_PREFIX}_bitmaps "${RADIO_SRC_DIR}/bitmaps/480x272/bmp_*.png" "5/6/5" "${BITMAP_ARGS}")
+add_png_target(${BITMAP_TARGET_PREFIX}_splash "${RADIO_SRC_DIR}/bitmaps/480x272/splash.png")
+
 add_bitmaps_target(${BITMAP_TARGET_PREFIX}_calibration_bitmaps "${RADIO_SRC_DIR}/bitmaps/480x272/calibration/bmp_*.png" "5/6/5" "${BITMAP_ARGS}")
 add_bitmaps_target(${BITMAP_TARGET_PREFIX}_button_bitmaps "${RADIO_SRC_DIR}/bitmaps/480x272/button/alpha_*.png" "4/4/4/4" "${BITMAP_ARGS}")
 add_bitmaps_target(${BITMAP_TARGET_PREFIX}_alpha_bitmaps "${RADIO_SRC_DIR}/bitmaps/480x272/alpha_*.png" "4/4/4/4" "${BITMAP_ARGS}")

radio/src/gui/colorlcd/splash.cpp

@@ -22,20 +22,25 @@
 
 #if defined(SPLASH)
 
-const uint8_t __bmp_splash[] __ALIGNED(4) {
-#include "bmp_splash.lbm"
+const uint8_t __bmp_splash[] {
+#include "splash.lbm"
 };
-Bitmap BMP_SPLASH(BMP_RGB565, (const uint16_t *)__bmp_splash);
 
 void drawSplash()
 {
-  static bool loadImgFromSD = true;
+  static bool loadSplashImg = true;
   static BitmapBuffer * splashImg = nullptr;
 
-  if (loadImgFromSD && splashImg == nullptr) {
+  // try splash from SD card first
+  if (loadSplashImg && splashImg == nullptr) {
     if (!sdMounted()) sdInit();
     splashImg = BitmapBuffer::loadBitmap(BITMAPS_PATH "/" SPLASH_FILE);
-    loadImgFromSD = false;
+    loadSplashImg = false;
+
+    // otherwise load from FLASH
+    if (splashImg == nullptr) {
+      splashImg = BitmapBuffer::loadRamBitmap(__bmp_splash, sizeof(__bmp_splash));
+    }
   }
 
   lcd->clear();
@@ -45,12 +50,7 @@ void drawSplash()
                     (LCD_H - splashImg->height())/2,
                     splashImg);
   }
-  else {
-    lcd->drawBitmap((LCD_W - BMP_SPLASH.width())/2,
-                    (LCD_H - BMP_SPLASH.height())/2,
-                    &BMP_SPLASH);
-  }
-  
+
   lcdRefresh();
 }
 #endif