From bf04a92cc0046d4af04e422d9e84e027e59fb2ba Mon Sep 17 00:00:00 2001
From: AnHardt <github@kitelab.de>
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());
}