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@@ -0,0 +1,226 @@
+//==========================================================================
+//
+//      fb.c
+//
+//      Framebuffer testcase
+//
+//==========================================================================
+//###ECOSGPLCOPYRIGHTBEGIN####
+//-------------------------------------------
+// This file is part of eCos, the Embedded Configurable Operating System.
+// Copyright (C) 2008 Free Software Foundation, Inc.
+// eCos is free software; you can redistribute it and/or modify it under
+// the terms of the GNU General Public License as published by the Free
+// Software Foundation; either version 2 or (at your option) any later version.
+//
+// eCos is distributed in the hope that it will be useful, but WITHOUT ANY
+// WARRANTY; without even the implied warranty of MERCHANTABILITY or
+// FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+// for more details.
+//
+// You should have received a copy of the GNU General Public License along
+// with eCos; if not, write to the Free Software Foundation, Inc.,
+// 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+//
+// As a special exception, if other files instantiate templates or use macros
+// or inline functions from this file, or you compile this file and link it
+// with other works to produce a work based on this file, this file does not
+// by itself cause the resulting work to be covered by the GNU General Public
+// License. However the source code for this file must still be made available
+// in accordance with section (3) of the GNU General Public License.
+//
+// This exception does not invalidate any other reasons why a work based on
+// this file might be covered by the GNU General Public License.
+// -------------------------------------------
+//####ECOSGPLCOPYRIGHTEND####
+//==========================================================================
+//###DESCRIPTIONBEGIN####
+//
+// Author(s):     bartv
+// Date:          2008-10-06
+//
+//###DESCRIPTIONEND####
+//========================================================================
+
+#include <pkgconf/system.h>
+#include <cyg/infra/cyg_type.h>
+#include <cyg/infra/testcase.h>
+#include <cyg/infra/diag.h>
+#include <cyg/hal/hal_arch.h>
+#include <cyg/hal/hal_intr.h>
+#include <pkgconf/io_framebuf.h>
+#include <cyg/io/framebuf.h>
+
+#if defined(CYGDAT_IO_FRAMEBUF_TEST_DEVICE)
+# define FB         CYGDAT_IO_FRAMEBUF_TEST_DEVICE
+#elif defined(CYGDAT_IO_FRAMEBUF_DEFAULT_TEST_DEVICE)
+# define FB         CYGDAT_IO_FRAMEBUF_DEFAULT_TEST_DEVICE
+#else
+# define NA_MSG "No framebuffer test device selected"
+#endif
+
+#ifndef NA_MSG
+# if (CYG_FB_DEPTH(FB) < 4)
+#  define NA_MSG    "Testcase requires a display depth of at least 4 bits/pixel"
+# else
+#  define FRAMEBUF  CYG_FB_STRUCT(FB)
+# endif
+#endif
+
+#ifdef NA_MSG
+void
+cyg_start(void)
+{
+    CYG_TEST_INIT();
+    CYG_TEST_NA(NA_MSG);
+}
+#else
+
+#define STRING1(_a_) # _a_
+#define STRING(_a_) STRING1(_a_)
+
+// A simple bitmap. Black on the outside, then blue,
+// then green, and a red centre.
+static cyg_uint8    bitmap8[8][8] = {
+    { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
+    { 0x00, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x00 },
+    { 0x00, 0x01, 0x02, 0x02, 0x02, 0x02, 0x01, 0x00 },
+    { 0x00, 0x01, 0x02, 0x04, 0x04, 0x02, 0x01, 0x00 },
+    { 0x00, 0x01, 0x02, 0x04, 0x04, 0x02, 0x01, 0x00 },
+    { 0x00, 0x01, 0x02, 0x02, 0x02, 0x02, 0x01, 0x00 },
+    { 0x00, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x00 },
+    { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }
+};
+
+static cyg_uint16   bitmap16[8][8] = {
+    { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
+    { 0x00, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x00 },
+    { 0x00, 0x01, 0x02, 0x02, 0x02, 0x02, 0x01, 0x00 },
+    { 0x00, 0x01, 0x02, 0x04, 0x04, 0x02, 0x01, 0x00 },
+    { 0x00, 0x01, 0x02, 0x04, 0x04, 0x02, 0x01, 0x00 },
+    { 0x00, 0x01, 0x02, 0x02, 0x02, 0x02, 0x01, 0x00 },
+    { 0x00, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x00 },
+    { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }
+};
+
+static cyg_uint32   bitmap32[8][8] = {
+    { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
+    { 0x00, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x00 },
+    { 0x00, 0x01, 0x02, 0x02, 0x02, 0x02, 0x01, 0x00 },
+    { 0x00, 0x01, 0x02, 0x04, 0x04, 0x02, 0x01, 0x00 },
+    { 0x00, 0x01, 0x02, 0x04, 0x04, 0x02, 0x01, 0x00 },
+    { 0x00, 0x01, 0x02, 0x02, 0x02, 0x02, 0x01, 0x00 },
+    { 0x00, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x00 },
+    { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }
+};
+
+// The colours used by this test code. Default to the standard palette
+// but if running on a true colour display then adjust.
+static cyg_ucount32 colours[16]  = {
+    CYG_FB_DEFAULT_PALETTE_BLACK,
+    CYG_FB_DEFAULT_PALETTE_BLUE,
+    CYG_FB_DEFAULT_PALETTE_GREEN,
+    CYG_FB_DEFAULT_PALETTE_CYAN,
+    CYG_FB_DEFAULT_PALETTE_RED,
+    CYG_FB_DEFAULT_PALETTE_MAGENTA,
+    CYG_FB_DEFAULT_PALETTE_BROWN,
+    CYG_FB_DEFAULT_PALETTE_LIGHTGREY,
+    CYG_FB_DEFAULT_PALETTE_DARKGREY,
+    CYG_FB_DEFAULT_PALETTE_LIGHTBLUE,
+    CYG_FB_DEFAULT_PALETTE_LIGHTGREEN,
+    CYG_FB_DEFAULT_PALETTE_LIGHTCYAN,
+    CYG_FB_DEFAULT_PALETTE_LIGHTRED,
+    CYG_FB_DEFAULT_PALETTE_LIGHTMAGENTA,
+    CYG_FB_DEFAULT_PALETTE_YELLOW,
+    CYG_FB_DEFAULT_PALETTE_WHITE
+};
+
+#define BLACK        colours[0x00]
+#define BLUE         colours[0x01]
+#define GREEN        colours[0x02]
+#define CYAN         colours[0x03]
+#define RED          colours[0x04]
+#define MAGENTA      colours[0x05]
+#define BROWN        colours[0x06]
+#define LIGHTGREY    colours[0x07]
+#define DARKGREY     colours[0x08]
+#define LIGHTBLUE    colours[0x09]
+#define LIGHTGREEN   colours[0x0A]
+#define LIGHTCYAN    colours[0x0B]
+#define LIGHTRED     colours[0x0C]
+#define LIGHTMAGENTA colours[0x0D]
+#define YELLOW       colours[0x0E]
+#define WHITE        colours[0x0F]
+
+static void
+reset_colours_to_true(void)
+{
+    int i, j;
+    for (i = 0; i < 16; i++) {
+        colours[i]  = cyg_fb_make_colour(&FRAMEBUF,
+                                         cyg_fb_palette_vga[i + i + i], cyg_fb_palette_vga[i + i + i + 1],cyg_fb_palette_vga[i + i + i + 2]);
+    }
+    for (i = 0; i < 8; i++) {
+        for (j = 0; j < 8; j++) {
+            bitmap16[i][j]  = colours[bitmap16[i][j]];
+            bitmap32[i][j]  = colours[bitmap32[i][j]];
+        }
+    }
+}
+
+void
+cyg_start(void)
+{
+    int             i;
+    cyg_ucount16    block_width;
+    
+    CYG_TEST_INIT();
+    diag_printf("Frame buffer %s\n", STRING(FRAMEBUF));
+    diag_printf("Depth %d, width %d, height %d\n", FRAMEBUF.fb_depth, FRAMEBUF.fb_width, FRAMEBUF.fb_height);
+    cyg_fb_on(&FRAMEBUF);
+
+    if (FRAMEBUF.fb_flags0 & CYG_FB_FLAGS0_TRUE_COLOUR) {
+        reset_colours_to_true();
+    }
+
+    // A white background
+    cyg_fb_fill_block(&FRAMEBUF, 0, 0, FRAMEBUF.fb_width, FRAMEBUF.fb_height, WHITE);
+    // A black block in the middle, 25 pixels in.
+    cyg_fb_fill_block(&FRAMEBUF, 25, 25, FRAMEBUF.fb_width - 50, FRAMEBUF.fb_height - 50, BLACK);
+
+    // Four diagonal lines in the corners. Red in the top left, blue in the top right,
+    // green in the bottom left, and yellow in the bottom right.
+    for (i = 0; i < 25; i++) {
+        cyg_fb_write_pixel(&FRAMEBUF, i,                           i,                            RED);
+        cyg_fb_write_pixel(&FRAMEBUF, (FRAMEBUF.fb_width - 1) - i, i,                            BLUE);
+        cyg_fb_write_pixel(&FRAMEBUF, i,                           (FRAMEBUF.fb_height - 1) - i, GREEN);
+        cyg_fb_write_pixel(&FRAMEBUF, (FRAMEBUF.fb_width - 1) - i, (FRAMEBUF.fb_height - 1) - i, YELLOW);
+    }
+
+    // Horizontal and vertical lines. Cyan at the top, magenta on the bottom,
+    // brown on the left, lightgrey on the right.
+    cyg_fb_write_hline(&FRAMEBUF, 25, 12, FRAMEBUF.fb_width - 50, CYAN);
+    cyg_fb_write_hline(&FRAMEBUF, 25, FRAMEBUF.fb_height - 12, FRAMEBUF.fb_width - 50, MAGENTA);
+    cyg_fb_write_vline(&FRAMEBUF, 12, 25, FRAMEBUF.fb_height - 50, BROWN);
+    cyg_fb_write_vline(&FRAMEBUF, FRAMEBUF.fb_width - 12, 25, FRAMEBUF.fb_height - 50, LIGHTGREY);
+
+    // Display a simple bitmap on the left, halfway down.
+    if (8 == FRAMEBUF.fb_depth) {
+        cyg_fb_write_block(&FRAMEBUF, 0, FRAMEBUF.fb_height / 2, 8, 8, bitmap8, 0, 8);
+    } else if (16 == FRAMEBUF.fb_depth) {
+        cyg_fb_write_block(&FRAMEBUF, 0, FRAMEBUF.fb_height / 2, 8, 8, bitmap16, 0, 8);
+    } else if (32 == FRAMEBUF.fb_depth) {
+        cyg_fb_write_block(&FRAMEBUF, 0, FRAMEBUF.fb_height / 2, 8, 8, bitmap32, 0, 8);
+    }
+
+    // And 14 vertical stripes, from blue to yellow, in the centre of the box.
+    block_width     = (FRAMEBUF.fb_width - 100) / 14;
+    for (i = 1; i <= 14; i++) {
+        cyg_fb_fill_block(&FRAMEBUF, 50 + ((i - 1) * block_width), 50, block_width, FRAMEBUF.fb_height - 100, colours[i]);
+    }
+
+    cyg_fb_synch(&FRAMEBUF, CYG_FB_UPDATE_NOW);
+    
+    CYG_TEST_EXIT("Done");
+}
+#endif  // NA_MSG