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Sansa Fuze/e200v2: protect lcd a little better against concurrent access

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@22838 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Bertrik Sikken 2009-09-26 10:47:10 +00:00
parent 340f32356a
commit 66d5bd7cf8
2 changed files with 10 additions and 4 deletions
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7
firmware/target/arm/as3525/sansa-e200v2/lcd-e200v2.c
View file

@ -502,9 +502,10 @@ void lcd_update(void)
if (!display_on)
return;
lcd_busy = true;
lcd_write_reg(R_ENTRY_MODE, r_entry_mode);
lcd_busy = true;
/* Set start position and window */
lcd_window(0, 0, LCD_WIDTH-1, LCD_HEIGHT-1);
@ -544,8 +545,10 @@ void lcd_update_rect(int x, int y, int width, int height)
if (y >= ymax)
return; /* nothing left to do */
lcd_write_reg(R_ENTRY_MODE, r_entry_mode);
lcd_busy = true;
lcd_write_reg(R_ENTRY_MODE, r_entry_mode);
lcd_window(x, y, xmax, ymax);
lcd_write_cmd(R_WRITE_DATA_2_GRAM);

7
firmware/target/arm/as3525/sansa-fuze/lcd-fuze.c
View file

@ -349,9 +349,11 @@ void lcd_update(void)
{
if (!display_on)
return;
lcd_write_reg(R_ENTRY_MODE, R_ENTRY_MODE_HORZ);
lcd_busy = true;
lcd_write_reg(R_ENTRY_MODE, R_ENTRY_MODE_HORZ);
lcd_window_x(0, LCD_WIDTH - 1);
lcd_window_y(0, LCD_HEIGHT - 1);
@ -391,9 +393,10 @@ void lcd_update_rect(int x, int y, int width, int height)
if (y >= ymax)
return; /* nothing left to do */
lcd_busy = true;
lcd_write_reg(R_ENTRY_MODE, R_ENTRY_MODE_HORZ);
lcd_busy = true;
lcd_window_x(x, xmax);
lcd_window_y(y, ymax);