common/lcd_console: cleanup lcd_drawchars/lcd_putc_xy
authorHannes Petermaier <hannes.petermaier@br-automation.com>
Fri, 27 Mar 2015 07:01:35 +0000 (08:01 +0100)
committerAnatolij Gustschin <agust@denx.de>
Sat, 18 Apr 2015 08:12:36 +0000 (10:12 +0200)
the capability of drawing some *str with count from lcd_drawchars is unnary.
It is always called from lcd_putc_xy with one character of and count = 1.

So we simply rename lcd_drawchars into lcd_putc_xy and remove the loops inside.

Signed-off-by: Hannes Petermaier <hannes.petermaier@br-automation.com>
Signed-off-by: Hannes Petermaier <oe5hpm@oevsv.at>
Acked-by: Nikita Kiryanov <nikita@compulab.co.il>
common/lcd_console.c

index 8bf83b90d5b1a30e4cd9eec79769d24bd42e6bee..243b7c5c990465b6dbe5b9b3be0d86a76c06566f 100644 (file)
@@ -55,18 +55,17 @@ int lcd_get_screen_columns(void)
        return console_cols;
 }
 
-static void lcd_drawchars(ushort x, ushort y, uchar *str, int count)
+static void lcd_putc_xy(ushort x, ushort y, char c)
 {
        uchar *dest;
        ushort row;
        int fg_color, bg_color;
+       int i;
 
        dest = (uchar *)(lcd_console_address +
                         y * lcd_line_length + x * NBITS(LCD_BPP) / 8);
 
        for (row = 0; row < VIDEO_FONT_HEIGHT; ++row, dest += lcd_line_length) {
-               uchar *s = str;
-               int i;
 #if LCD_BPP == LCD_COLOR16
                ushort *d = (ushort *)dest;
 #elif LCD_BPP == LCD_COLOR32
@@ -77,25 +76,17 @@ static void lcd_drawchars(ushort x, ushort y, uchar *str, int count)
 
                fg_color = lcd_getfgcolor();
                bg_color = lcd_getbgcolor();
-               for (i = 0; i < count; ++i) {
-                       uchar c, bits;
 
-                       c = *s++;
-                       bits = video_fontdata[c * VIDEO_FONT_HEIGHT + row];
+               uchar bits;
+               bits = video_fontdata[c * VIDEO_FONT_HEIGHT + row];
 
-                       for (c = 0; c < 8; ++c) {
-                               *d++ = (bits & 0x80) ? fg_color : bg_color;
-                               bits <<= 1;
-                       }
+               for (i = 0; i < 8; ++i) {
+                       *d++ = (bits & 0x80) ? fg_color : bg_color;
+                       bits <<= 1;
                }
        }
 }
 
-static inline void lcd_putc_xy(ushort x, ushort y, uchar c)
-{
-       lcd_drawchars(x, y, &c, 1);
-}
-
 static void console_scrollup(void)
 {
        const int rows = CONFIG_CONSOLE_SCROLL_LINES;