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//==========================================================================
//
// 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.,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, 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 v2.
//
// 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
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