From bf04a92cc0046d4af04e422d9e84e027e59fb2ba Mon Sep 17 00:00:00 2001 From: AnHardt Date: Sun, 5 Apr 2015 12:53:20 +0200 Subject: [PATCH] Draw content in display loop only when needed Example for splash screen. --- Marlin/dogm_lcd_implementation.h | 33 +++++++++++++++++++------------- 1 file changed, 20 insertions(+), 13 deletions(-) diff --git a/Marlin/dogm_lcd_implementation.h b/Marlin/dogm_lcd_implementation.h index e6cfb80784..bf9726ceea 100644 --- a/Marlin/dogm_lcd_implementation.h +++ b/Marlin/dogm_lcd_implementation.h @@ -186,7 +186,7 @@ char lcd_printPGM(const char* str) { return n; } -static int8_t show_splashscreed = 2; +int8_t show_splashscreen = 2; static void lcd_implementation_init() { @@ -221,18 +221,25 @@ static void lcd_implementation_init() u8g.firstPage(); do { - if (show_splashscreed) { - u8g.drawBitmapP(offx, offy, START_BMPBYTEWIDTH, START_BMPHEIGHT, start_bmp); - lcd_setFont(FONT_MENU); - #ifndef STRING_SPLASH_LINE2 - u8g.drawStr(txt1X, u8g.getHeight() - DOG_CHAR_HEIGHT, STRING_SPLASH_LINE1); - #else - int txt2X = (u8g.getWidth() - (sizeof(STRING_SPLASH_LINE2) - 1)*DOG_CHAR_WIDTH) / 2; - u8g.drawStr(txt1X, u8g.getHeight() - DOG_CHAR_HEIGHT*3/2, STRING_SPLASH_LINE1); - u8g.drawStr(txt2X, u8g.getHeight() - DOG_CHAR_HEIGHT*1/2, STRING_SPLASH_LINE2); - #endif - show_splashscreed--; - } + switch (show_splashscreen) { + case 2 : { + u8g.drawBitmapP(offx, offy, START_BMPBYTEWIDTH, START_BMPHEIGHT, start_bmp); + break; + } + case 1 : { + lcd_setFont(FONT_MENU); + #ifndef STRING_SPLASH_LINE2 + u8g.drawStr(txt1X, u8g.getHeight() - DOG_CHAR_HEIGHT, STRING_SPLASH_LINE1); + #else + int txt2X = (u8g.getWidth() - (sizeof(STRING_SPLASH_LINE2) - 1)*DOG_CHAR_WIDTH) / 2; + u8g.drawStr(txt1X, u8g.getHeight() - DOG_CHAR_HEIGHT*3/2, STRING_SPLASH_LINE1); + u8g.drawStr(txt2X, u8g.getHeight() - DOG_CHAR_HEIGHT*1/2, STRING_SPLASH_LINE2); + #endif + break; + } + break; + } + if (show_splashscreen) show_splashscreen--; } while (u8g.nextPage()); }