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Added Philipp Pertermanns oscillograph demo

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@2334 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Björn Stenberg 2002-09-19 10:28:10 +00:00
parent 2c63937371
commit 4da04f3bf3
4 changed files with 223 additions and 0 deletions
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17
firmware/drivers/lcd.c
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@ -1163,6 +1163,23 @@ static void scroll_thread(void)
}
}
#ifndef SIMULATOR
#ifdef HAVE_LCD_BITMAP
/**
* Rolls up the lcd display by the specified amount of lines.
* Lines that are rolled out over the top of the screen are
* rolled in from the bottom again. This is a hardware
* remapping only and all operations on the lcd are affected.
* ->
* @param int lines - The number of lines that are rolled.
* The value must be 0 <= pixels < LCD_HEIGHT.
*/
void lcd_roll(int lines)
{
lcd_write(true, LCD_SET_DISPLAY_START_LINE | (lines & (LCD_HEIGHT-1)));
}
#endif
#endif
/* -----------------------------------------------------------------
* local variables: