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//=============================================================================
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//
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// fb_support.c
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//
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// Frame buffer support for Dreamcast
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//
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//=============================================================================
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//####ECOSGPLCOPYRIGHTBEGIN####
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// -------------------------------------------
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// This file is part of eCos, the Embedded Configurable Operating System.
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// Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
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//
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// eCos is free software; you can redistribute it and/or modify it under
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// the terms of the GNU General Public License as published by the Free
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// Software Foundation; either version 2 or (at your option) any later version.
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//
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// eCos is distributed in the hope that it will be useful, but WITHOUT ANY
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// WARRANTY; without even the implied warranty of MERCHANTABILITY or
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// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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// for more details.
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//
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// You should have received a copy of the GNU General Public License along
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// with eCos; if not, write to the Free Software Foundation, Inc.,
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// 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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//
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// As a special exception, if other files instantiate templates or use macros
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// or inline functions from this file, or you compile this file and link it
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// with other works to produce a work based on this file, this file does not
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// by itself cause the resulting work to be covered by the GNU General Public
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// License. However the source code for this file must still be made available
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// in accordance with section (3) of the GNU General Public License.
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//
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// This exception does not invalidate any other reasons why a work based on
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// this file might be covered by the GNU General Public License.
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//
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// Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
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// at http://sources.redhat.com/ecos/ecos-license/
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// -------------------------------------------
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//####ECOSGPLCOPYRIGHTEND####
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//=============================================================================
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//#####DESCRIPTIONBEGIN####
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//
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// Author(s): t@keshi.org
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// Contributors:t@keshi.org, gthomas
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// Date: 2001-07-30
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// Purpose: Red Hat/eCos banner for display during boot
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//
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//####DESCRIPTIONEND####
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//
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//=============================================================================
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#include <pkgconf/hal.h>
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#include <cyg/infra/diag.h>
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#include <cyg/hal/hal_io.h> // IO macros
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#include <cyg/hal/hal_if.h> // Virtual vector support
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#include <cyg/hal/hal_arch.h> // Register state info
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#include <cyg/hal/hal_intr.h> // HAL interrupt macros
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#define LOGO_AT_TOP
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#include "banner.xpm"
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#include "font.h"
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#define RESETREG 0xa05f8008
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#define BORDERRGB 0xa05f8040
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#define DISPLAYMODE 0xa05f8044
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#define ALPHAMODE 0xa05f8048
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#define DISPLAYALIGN 0xa05f804c
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#define BASEOFFSET1 0xa05f8050
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#define BASEOFFSET2 0xa05f8054
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#define DISPLAYSIZE 0xa05f805c
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#define SYNCMODE 0xa05f80d0
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#define VERTICALRANGE 0xa05f80dc
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#define HORIZPOSITION 0xa05f80ec
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#define VERTPOSITION 0xa05f80f0
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#define PALETTEMODE 0xa05f8108
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#define VIDEOOUTPUT 0xa0702c00
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static unsigned long dc_parm_vga_16bpp[] = {
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DISPLAYMODE, 0x00800005,
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BASEOFFSET1, 0,
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BASEOFFSET2, 640*2,
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DISPLAYSIZE, (1<<20)+((480-1)<<10)+(640*2/4-1),
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SYNCMODE, 0x100,
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VERTPOSITION, 0x00230023,
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VERTICALRANGE, 0x00280208,
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HORIZPOSITION, 0x00000090,
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VIDEOOUTPUT, 0,
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0, 0,
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};
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static unsigned long dc_parm_vga_32bpp[] = {
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DISPLAYMODE, 0x0080000d,
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BASEOFFSET1, 0,
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BASEOFFSET2, 640*4,
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DISPLAYSIZE, (1<<20)+((480-1)<<10)+(640*4/4-1),
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SYNCMODE, 0x100,
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VERTPOSITION, 0x00230023,
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VERTICALRANGE, 0x00280208,
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HORIZPOSITION, 0x00000090,
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VIDEOOUTPUT, 0,
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0, 0,
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};
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static unsigned long *dc_parm_vga[] = {
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dc_parm_vga_16bpp,
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dc_parm_vga_32bpp,
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};
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static unsigned long dc_parm_composite_16bpp[] = {
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DISPLAYMODE, 0x00000005,
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BASEOFFSET1, 0,
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BASEOFFSET2, 640*2,
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DISPLAYSIZE, ((640*2/4+1)<<20)+((240-1)<<10)+(640*2/4-1),
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SYNCMODE, 0x150,
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VERTPOSITION, 0x00120012,
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VERTICALRANGE, 0x00240204,
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HORIZPOSITION, 0x000000a4,
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VIDEOOUTPUT, 0x300,
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0, 0,
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};
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static unsigned long dc_parm_composite_32bpp[] = {
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DISPLAYMODE, 0x0000000d,
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BASEOFFSET1, 0,
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BASEOFFSET2, 640*4,
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DISPLAYSIZE, ((640*4/4+1)<<20)+((240-1)<<10)+(640*4/4-1),
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SYNCMODE, 0x150,
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VERTPOSITION, 0x00120012,
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VERTICALRANGE, 0x00240204,
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HORIZPOSITION, 0x000000a4,
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VIDEOOUTPUT, 0x300,
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0, 0,
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};
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static unsigned long *dc_parm_composite[] = {
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dc_parm_composite_16bpp,
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dc_parm_composite_32bpp,
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};
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static unsigned long dc_parm_interlace_16bpp[] = {
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DISPLAYMODE, 0x00000005,
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BASEOFFSET1, 0,
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BASEOFFSET2, 640*2,
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DISPLAYSIZE, ((640*2/4+1)<<20)+((240-1)<<10)+(640*2/4-1),
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SYNCMODE, 0x150,
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VERTPOSITION, 0x00120012,
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VERTICALRANGE, 0x00240204,
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HORIZPOSITION, 0x000000a4,
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VIDEOOUTPUT, 0,
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0, 0,
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};
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static unsigned long dc_parm_interlace_32bpp[] = {
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DISPLAYMODE, 0x0000000d,
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BASEOFFSET1, 0,
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BASEOFFSET2, 640*4,
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DISPLAYSIZE, ((640*4/4+1)<<20)+((240-1)<<10)+(640*4/4-1),
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SYNCMODE, 0x150,
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VERTPOSITION, 0x00120012,
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VERTICALRANGE, 0x00240204,
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HORIZPOSITION, 0x000000a4,
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VIDEOOUTPUT, 0,
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0, 0,
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};
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static unsigned long *dc_parm_interlace[] = {
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dc_parm_interlace_16bpp,
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dc_parm_interlace_32bpp,
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};
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/*
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* Check cable type.
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* 0: VGA, 2: RGB, 3: Composite
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*/
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#define PCTRA 0xff80002c
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#define PDTRA 0xff800030
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static int dcfb_cable_check(void)
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{
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unsigned long temp;
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HAL_READ_UINT32(PCTRA, temp);
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temp &= 0xfff0ffff;
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temp |= 0x000a0000;
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HAL_WRITE_UINT32(PCTRA, temp);
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HAL_READ_UINT16(PDTRA, temp);
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return (temp>>8)&3;
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}
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// Physical dimensions of LCD display
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#define DISPLAY_WIDTH 640
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#define DISPLAY_HEIGHT 480
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#define LCD_WIDTH 640
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#define LCD_HEIGHT 480
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#define LCD_DEPTH 16
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#define USE_RGB565
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#ifdef USE_RGB565
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#define RGB_RED(x) (((x)&0x1F)<<11)
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#define RGB_GREEN(x) (((x)&0x3F)<<5)
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#define RGB_BLUE(x) ((x)&0x1F)
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#else
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#define RGB_RED(x) (((x)&0x0F)<<12)
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#define RGB_GREEN(x) (((x)&0x0F)<<7)
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#define RGB_BLUE(x) (((x)&0x0F)<<1)
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#endif
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// Physical screen info
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static int lcd_width = LCD_WIDTH;
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static int lcd_height = LCD_HEIGHT;
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// Virtual screen info
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static int curX = 0; // Last used position
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static int curY = 0;
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//static int width = LCD_WIDTH / (FONT_WIDTH*NIBBLES_PER_PIXEL);
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//static int height = LCD_HEIGHT / (FONT_HEIGHT*SCREEN_SCALE);
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static int fg = RGB_RED(15) | RGB_GREEN(63) | RGB_BLUE(8);
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static int bg = RGB_RED(0) | RGB_GREEN(0) | RGB_BLUE(15/*31*/);
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#define SCREEN_PAN 20
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#define SCREEN_WIDTH 80
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#define SCREEN_HEIGHT (LCD_HEIGHT/FONT_HEIGHT)
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#define VISIBLE_SCREEN_WIDTH (LCD_WIDTH/FONT_WIDTH)
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#define VISIBLE_SCREEN_HEIGHT (LCD_HEIGHT/FONT_HEIGHT)
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static char screen[SCREEN_HEIGHT][SCREEN_WIDTH];
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static int screen_start = 0;
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static int screen_height = SCREEN_HEIGHT;
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static int screen_width = SCREEN_WIDTH;
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static int screen_pan = 0;
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| 235 |
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static bool cursor_enable = true;
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| 237 |
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static int kbd_pos;
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static unsigned short *framebuffer = (void*)0xa5000000;
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// Functions
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static void lcd_drawc(cyg_int8 c, int x, int y);
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static inline void
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set_pixel(int row, int col, unsigned short val)
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| 246 |
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{
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| 247 |
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framebuffer[row*640+col] = val;
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| 248 |
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}
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| 250 |
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// Clear screen
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void
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| 252 |
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lcd_clear(void)
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| 253 |
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{
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| 254 |
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int row, col;
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| 255 |
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int pos;
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| 256 |
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| 257 |
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for (row = 0; row < lcd_height; row++) {
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| 258 |
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for (col = 0; col < lcd_width; col++) {
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| 259 |
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set_pixel(row, col, bg);
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| 260 |
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}
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| 261 |
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}
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| 262 |
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for (row = 0; row < screen_height; row++) {
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| 263 |
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for (col = 0; col < screen_width; col++) {
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| 264 |
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screen[row][col] = ' ';
|
| 265 |
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}
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| 266 |
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}
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| 267 |
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// Note: Row 0 seems to wrap incorrectly
|
| 268 |
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#ifdef LOGO_AT_TOP
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| 269 |
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pos = 0;
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| 270 |
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#else
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| 271 |
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pos = (LCD_HEIGHT-1);
|
| 272 |
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#endif
|
| 273 |
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kbd_pos = show_xpm(banner_xpm, pos);
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| 274 |
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curX = 0; curY = screen_start;
|
| 275 |
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if (cursor_enable) {
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| 276 |
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lcd_drawc(CURSOR_ON, curX-screen_pan, curY);
|
| 277 |
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}
|
| 278 |
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}
|
| 279 |
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|
| 280 |
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|
| 281 |
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// Position cursor
|
| 282 |
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void
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| 283 |
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lcd_moveto(int X, int Y)
|
| 284 |
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{
|
| 285 |
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if (cursor_enable) {
|
| 286 |
|
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lcd_drawc(screen[curY][curX], curX-screen_pan, curY);
|
| 287 |
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}
|
| 288 |
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if (X < 0) X = 0;
|
| 289 |
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if (X >= screen_width) X = screen_width-1;
|
| 290 |
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curX = X;
|
| 291 |
|
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if (Y < screen_start) Y = screen_start;
|
| 292 |
|
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if (Y >= screen_height) Y = screen_height-1;
|
| 293 |
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curY = Y;
|
| 294 |
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if (cursor_enable) {
|
| 295 |
|
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lcd_drawc(CURSOR_ON, curX-screen_pan, curY);
|
| 296 |
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}
|
| 297 |
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}
|
| 298 |
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|
| 299 |
|
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// Render a character at position (X,Y) with current background/foreground
|
| 300 |
|
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static void
|
| 301 |
|
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lcd_drawc(cyg_int8 c, int x, int y)
|
| 302 |
|
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{
|
| 303 |
|
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cyg_uint8 bits;
|
| 304 |
|
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int l, p;
|
| 305 |
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|
| 306 |
|
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if ((x < 0) || (x >= VISIBLE_SCREEN_WIDTH) ||
|
| 307 |
|
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(y < 0) || (y >= screen_height)) return;
|
| 308 |
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for (l = 0; l < FONT_HEIGHT; l++) {
|
| 309 |
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bits = font_table[c-FIRST_CHAR][l];
|
| 310 |
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for (p = 0; p < FONT_WIDTH; p++) {
|
| 311 |
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if (bits & 0x01) {
|
| 312 |
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set_pixel(y*FONT_HEIGHT+l, x*FONT_WIDTH + p, fg);
|
| 313 |
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} else {
|
| 314 |
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set_pixel(y*FONT_HEIGHT+l, x*FONT_WIDTH + p, bg);
|
| 315 |
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}
|
| 316 |
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bits >>= 1;
|
| 317 |
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}
|
| 318 |
|
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}
|
| 319 |
|
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}
|
| 320 |
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|
| 321 |
|
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static void
|
| 322 |
|
|
lcd_refresh(void)
|
| 323 |
|
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{
|
| 324 |
|
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int row, col;
|
| 325 |
|
|
cyg_uint16 *p1, *p2;
|
| 326 |
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// Now the physical screen
|
| 327 |
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for (row = FONT_HEIGHT*(screen_start+1); row < LCD_HEIGHT; row++) {
|
| 328 |
|
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p1 = &framebuffer[(row-FONT_HEIGHT)*LCD_WIDTH+0];
|
| 329 |
|
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p2 = &framebuffer[row*LCD_WIDTH+0];
|
| 330 |
|
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for (col = 0; col < LCD_WIDTH; col++) {
|
| 331 |
|
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*p1++ = *p2++;
|
| 332 |
|
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}
|
| 333 |
|
|
}
|
| 334 |
|
|
for (row = LCD_HEIGHT-FONT_HEIGHT; row < LCD_HEIGHT; row++) {
|
| 335 |
|
|
p1 = &framebuffer[row*LCD_WIDTH+0];
|
| 336 |
|
|
for (col = 0; col < LCD_WIDTH; col++) {
|
| 337 |
|
|
*p1++ = bg;
|
| 338 |
|
|
}
|
| 339 |
|
|
}
|
| 340 |
|
|
if (cursor_enable) {
|
| 341 |
|
|
lcd_drawc(CURSOR_ON, curX-screen_pan, curY);
|
| 342 |
|
|
}
|
| 343 |
|
|
}
|
| 344 |
|
|
|
| 345 |
|
|
static void
|
| 346 |
|
|
lcd_scroll(void)
|
| 347 |
|
|
{
|
| 348 |
|
|
int row, col;
|
| 349 |
|
|
cyg_uint8 *c1, *c2;
|
| 350 |
|
|
|
| 351 |
|
|
// First scroll up the virtual screen
|
| 352 |
|
|
for (row = (screen_start+1); row < screen_height; row++) {
|
| 353 |
|
|
c1 = &screen[row-1][0];
|
| 354 |
|
|
c2 = &screen[row][0];
|
| 355 |
|
|
for (col = 0; col < screen_width; col++) {
|
| 356 |
|
|
*c1++ = *c2++;
|
| 357 |
|
|
}
|
| 358 |
|
|
}
|
| 359 |
|
|
c1 = &screen[screen_height-1][0];
|
| 360 |
|
|
for (col = 0; col < screen_width; col++) {
|
| 361 |
|
|
*c1++ = 0x20;
|
| 362 |
|
|
}
|
| 363 |
|
|
lcd_refresh();
|
| 364 |
|
|
}
|
| 365 |
|
|
|
| 366 |
|
|
// Draw one character at the current position
|
| 367 |
|
|
void
|
| 368 |
|
|
lcd_putc(cyg_int8 c)
|
| 369 |
|
|
{
|
| 370 |
|
|
if (cursor_enable) {
|
| 371 |
|
|
lcd_drawc(screen[curY][curX], curX-screen_pan, curY);
|
| 372 |
|
|
}
|
| 373 |
|
|
switch (c) {
|
| 374 |
|
|
case '\r':
|
| 375 |
|
|
curX = 0;
|
| 376 |
|
|
break;
|
| 377 |
|
|
case '\n':
|
| 378 |
|
|
curY++;
|
| 379 |
|
|
break;
|
| 380 |
|
|
case '\b':
|
| 381 |
|
|
curX--;
|
| 382 |
|
|
if (curX < 0) {
|
| 383 |
|
|
curY--;
|
| 384 |
|
|
if (curY < 0) curY = 0;
|
| 385 |
|
|
curX = screen_width-1;
|
| 386 |
|
|
}
|
| 387 |
|
|
break;
|
| 388 |
|
|
default:
|
| 389 |
|
|
if (((cyg_uint8)c < FIRST_CHAR) || ((cyg_uint8)c > LAST_CHAR)) c = '.';
|
| 390 |
|
|
screen[curY][curX] = c;
|
| 391 |
|
|
lcd_drawc(c, curX-screen_pan, curY);
|
| 392 |
|
|
curX++;
|
| 393 |
|
|
if (curX == screen_width) {
|
| 394 |
|
|
curY++;
|
| 395 |
|
|
curX = 0;
|
| 396 |
|
|
}
|
| 397 |
|
|
}
|
| 398 |
|
|
if (curY >= screen_height) {
|
| 399 |
|
|
lcd_scroll();
|
| 400 |
|
|
curY = (screen_height-1);
|
| 401 |
|
|
}
|
| 402 |
|
|
if (cursor_enable) {
|
| 403 |
|
|
lcd_drawc(CURSOR_ON, curX-screen_pan, curY);
|
| 404 |
|
|
}
|
| 405 |
|
|
}
|
| 406 |
|
|
|
| 407 |
|
|
void
|
| 408 |
|
|
lcd_setbg(int red, int green, int blue)
|
| 409 |
|
|
{
|
| 410 |
|
|
bg = RGB_RED(red) | RGB_GREEN(green) | RGB_BLUE(blue);
|
| 411 |
|
|
}
|
| 412 |
|
|
|
| 413 |
|
|
void
|
| 414 |
|
|
lcd_setfg(int red, int green, int blue)
|
| 415 |
|
|
{
|
| 416 |
|
|
fg = RGB_RED(red) | RGB_GREEN(green) | RGB_BLUE(blue);
|
| 417 |
|
|
}
|
| 418 |
|
|
|
| 419 |
|
|
|
| 420 |
|
|
static int _timeout = 500;
|
| 421 |
|
|
|
| 422 |
|
|
|
| 423 |
|
|
static int
|
| 424 |
|
|
_hexdigit(char c)
|
| 425 |
|
|
{
|
| 426 |
|
|
if ((c >= '0') && (c <= '9')) {
|
| 427 |
|
|
return c - '0';
|
| 428 |
|
|
} else
|
| 429 |
|
|
if ((c >= 'A') && (c <= 'F')) {
|
| 430 |
|
|
return (c - 'A') + 0x0A;
|
| 431 |
|
|
} else
|
| 432 |
|
|
if ((c >= 'a') && (c <= 'f')) {
|
| 433 |
|
|
return (c - 'a') + 0x0a;
|
| 434 |
|
|
}
|
| 435 |
|
|
}
|
| 436 |
|
|
|
| 437 |
|
|
static int
|
| 438 |
|
|
_hex(char *cp)
|
| 439 |
|
|
{
|
| 440 |
|
|
return (_hexdigit(*cp)<<4) | _hexdigit(*(cp+1));
|
| 441 |
|
|
}
|
| 442 |
|
|
|
| 443 |
|
|
static unsigned short
|
| 444 |
|
|
parse_color(char *cp)
|
| 445 |
|
|
{
|
| 446 |
|
|
int red, green, blue;
|
| 447 |
|
|
|
| 448 |
|
|
while (*cp && (*cp != 'c')) cp++;
|
| 449 |
|
|
if (cp) {
|
| 450 |
|
|
cp += 2;
|
| 451 |
|
|
if (*cp == '#') {
|
| 452 |
|
|
red = _hex(cp+1);
|
| 453 |
|
|
green = _hex(cp+3);
|
| 454 |
|
|
blue = _hex(cp+5);
|
| 455 |
|
|
#ifdef USE_RGB565
|
| 456 |
|
|
return RGB_RED(red>>3) | RGB_GREEN(green>>2) | RGB_BLUE(blue>>3);
|
| 457 |
|
|
#else
|
| 458 |
|
|
return RGB_RED(red>>3) | RGB_GREEN(green>>3) | RGB_BLUE(blue>>3);
|
| 459 |
|
|
#endif
|
| 460 |
|
|
} else {
|
| 461 |
|
|
// Should be "None"
|
| 462 |
|
|
return 0xFFFF;
|
| 463 |
|
|
}
|
| 464 |
|
|
} else {
|
| 465 |
|
|
return 0xFFFF;
|
| 466 |
|
|
}
|
| 467 |
|
|
}
|
| 468 |
|
|
|
| 469 |
|
|
#ifndef CYGINT_ISO_STDIO_FORMATTED_IO
|
| 470 |
|
|
static int
|
| 471 |
|
|
get_int(char **_cp)
|
| 472 |
|
|
{
|
| 473 |
|
|
char *cp = *_cp;
|
| 474 |
|
|
char c;
|
| 475 |
|
|
int val = 0;
|
| 476 |
|
|
|
| 477 |
|
|
while ((c = *cp++) && (c != ' ')) {
|
| 478 |
|
|
if ((c >= '0') && (c <= '9')) {
|
| 479 |
|
|
val = val * 10 + (c - '0');
|
| 480 |
|
|
} else {
|
| 481 |
|
|
return -1;
|
| 482 |
|
|
}
|
| 483 |
|
|
}
|
| 484 |
|
|
*_cp = cp;
|
| 485 |
|
|
return val;
|
| 486 |
|
|
}
|
| 487 |
|
|
#endif
|
| 488 |
|
|
|
| 489 |
|
|
int
|
| 490 |
|
|
show_xpm(char *xpm[], int screen_pos)
|
| 491 |
|
|
{
|
| 492 |
|
|
int i, row, col, offset;
|
| 493 |
|
|
char *cp;
|
| 494 |
|
|
int nrows, ncols, nclrs;
|
| 495 |
|
|
unsigned short colors[256]; // Mapped by character index
|
| 496 |
|
|
|
| 497 |
|
|
cp = xpm[0];
|
| 498 |
|
|
#ifdef CYGINT_ISO_STDIO_FORMATTED_IO
|
| 499 |
|
|
if (sscanf(cp, "%d %d %d", &ncols, &nrows, &nclrs) != 3) {
|
| 500 |
|
|
#else
|
| 501 |
|
|
if (((ncols = get_int(&cp)) < 0) ||
|
| 502 |
|
|
((nrows = get_int(&cp)) < 0) ||
|
| 503 |
|
|
((nclrs = get_int(&cp)) < 0)) {
|
| 504 |
|
|
|
| 505 |
|
|
#endif
|
| 506 |
|
|
diag_printf("Can't parse XPM data, sorry\n");
|
| 507 |
|
|
return 0;
|
| 508 |
|
|
}
|
| 509 |
|
|
// printf("%d rows, %d cols, %d colors\n", nrows, ncols, nclrs);
|
| 510 |
|
|
|
| 511 |
|
|
for (i = 0; i < 256; i++) {
|
| 512 |
|
|
colors[i] = 0x0000;
|
| 513 |
|
|
}
|
| 514 |
|
|
for (i = 0; i < nclrs; i++) {
|
| 515 |
|
|
cp = xpm[i+1];
|
| 516 |
|
|
colors[(unsigned int)*cp] = parse_color(&cp[1]);
|
| 517 |
|
|
// printf("Color[%c] = %x\n", *cp, colors[(unsigned int)*cp]);
|
| 518 |
|
|
}
|
| 519 |
|
|
|
| 520 |
|
|
#ifdef LOGO_AT_TOP
|
| 521 |
|
|
offset = screen_pos;
|
| 522 |
|
|
#else
|
| 523 |
|
|
offset = screen_pos-nrows;
|
| 524 |
|
|
#endif
|
| 525 |
|
|
for (row = 0; row < nrows; row++) {
|
| 526 |
|
|
cp = xpm[nclrs+1+row];
|
| 527 |
|
|
for (col = 0; col < ncols; col++) {
|
| 528 |
|
|
set_pixel(row+offset, col, colors[(unsigned int)*cp++]);
|
| 529 |
|
|
}
|
| 530 |
|
|
}
|
| 531 |
|
|
#ifdef LOGO_AT_TOP
|
| 532 |
|
|
screen_start = (nrows + (FONT_HEIGHT-1))/FONT_HEIGHT;
|
| 533 |
|
|
return offset+nrows;
|
| 534 |
|
|
#else
|
| 535 |
|
|
screen_height = offset / FONT_HEIGHT;
|
| 536 |
|
|
return offset;
|
| 537 |
|
|
#endif
|
| 538 |
|
|
}
|
| 539 |
|
|
|
| 540 |
|
|
|
| 541 |
|
|
void fb_init(int depth)
|
| 542 |
|
|
{
|
| 543 |
|
|
int cable = dcfb_cable_check();
|
| 544 |
|
|
unsigned long **parm_list[4] = {
|
| 545 |
|
|
dc_parm_vga, dc_parm_vga, dc_parm_interlace, dc_parm_composite,
|
| 546 |
|
|
};
|
| 547 |
|
|
unsigned long **dc_parms = parm_list[cable];
|
| 548 |
|
|
|
| 549 |
|
|
unsigned long a, d, *p;
|
| 550 |
|
|
|
| 551 |
|
|
switch(depth) {
|
| 552 |
|
|
default:
|
| 553 |
|
|
case 16:
|
| 554 |
|
|
p = dc_parms[0];
|
| 555 |
|
|
break;
|
| 556 |
|
|
case 32:
|
| 557 |
|
|
p = dc_parms[1];
|
| 558 |
|
|
break;
|
| 559 |
|
|
}
|
| 560 |
|
|
|
| 561 |
|
|
HAL_WRITE_UINT32(RESETREG, 0);
|
| 562 |
|
|
HAL_WRITE_UINT32(BORDERRGB, 0);
|
| 563 |
|
|
|
| 564 |
|
|
while(1) {
|
| 565 |
|
|
a = *p++; d = *p++;
|
| 566 |
|
|
if (!a) break;
|
| 567 |
|
|
HAL_WRITE_UINT32(a, d);
|
| 568 |
|
|
}
|
| 569 |
|
|
|
| 570 |
|
|
lcd_clear();
|
| 571 |
|
|
}
|
| 572 |
|
|
|
| 573 |
|
|
|
| 574 |
|
|
static cyg_bool
|
| 575 |
|
|
lcd_comm_getc_nonblock(void* __ch_data, cyg_uint8* ch)
|
| 576 |
|
|
{
|
| 577 |
|
|
return false;
|
| 578 |
|
|
}
|
| 579 |
|
|
|
| 580 |
|
|
static cyg_uint8
|
| 581 |
|
|
lcd_comm_getc(void* __ch_data)
|
| 582 |
|
|
{
|
| 583 |
|
|
cyg_uint8 ch;
|
| 584 |
|
|
|
| 585 |
|
|
while (!lcd_comm_getc_nonblock(__ch_data, &ch)) ;
|
| 586 |
|
|
return ch;
|
| 587 |
|
|
}
|
| 588 |
|
|
|
| 589 |
|
|
static void
|
| 590 |
|
|
lcd_comm_putc(void* __ch_data, cyg_uint8 c)
|
| 591 |
|
|
{
|
| 592 |
|
|
lcd_putc(c);
|
| 593 |
|
|
}
|
| 594 |
|
|
|
| 595 |
|
|
static void
|
| 596 |
|
|
lcd_comm_write(void* __ch_data, const cyg_uint8* __buf, cyg_uint32 __len)
|
| 597 |
|
|
{
|
| 598 |
|
|
}
|
| 599 |
|
|
|
| 600 |
|
|
static void
|
| 601 |
|
|
lcd_comm_read(void* __ch_data, cyg_uint8* __buf, cyg_uint32 __len)
|
| 602 |
|
|
{
|
| 603 |
|
|
}
|
| 604 |
|
|
|
| 605 |
|
|
static cyg_bool
|
| 606 |
|
|
lcd_comm_getc_timeout(void* __ch_data, cyg_uint8* ch)
|
| 607 |
|
|
{
|
| 608 |
|
|
int delay_count;
|
| 609 |
|
|
cyg_bool res;
|
| 610 |
|
|
|
| 611 |
|
|
delay_count = _timeout * 10; // delay in .1 ms steps
|
| 612 |
|
|
for(;;) {
|
| 613 |
|
|
res = lcd_comm_getc_nonblock(__ch_data, ch);
|
| 614 |
|
|
if (res || 0 == delay_count--)
|
| 615 |
|
|
break;
|
| 616 |
|
|
CYGACC_CALL_IF_DELAY_US(100);
|
| 617 |
|
|
}
|
| 618 |
|
|
return res;
|
| 619 |
|
|
}
|
| 620 |
|
|
|
| 621 |
|
|
static int
|
| 622 |
|
|
lcd_comm_control(void *__ch_data, __comm_control_cmd_t __func, ...)
|
| 623 |
|
|
{
|
| 624 |
|
|
int ret = 0;
|
| 625 |
|
|
|
| 626 |
|
|
switch (__func) {
|
| 627 |
|
|
case __COMMCTL_SET_TIMEOUT:
|
| 628 |
|
|
{
|
| 629 |
|
|
va_list ap;
|
| 630 |
|
|
va_start(ap, __func);
|
| 631 |
|
|
ret = _timeout;
|
| 632 |
|
|
_timeout = va_arg(ap, cyg_uint32);
|
| 633 |
|
|
va_end(ap);
|
| 634 |
|
|
break;
|
| 635 |
|
|
}
|
| 636 |
|
|
case __COMMCTL_FLUSH_OUTPUT:
|
| 637 |
|
|
break;
|
| 638 |
|
|
default:
|
| 639 |
|
|
break;
|
| 640 |
|
|
}
|
| 641 |
|
|
|
| 642 |
|
|
return ret;
|
| 643 |
|
|
}
|
| 644 |
|
|
|
| 645 |
|
|
static int
|
| 646 |
|
|
lcd_comm_isr(void *__ch_data, int* __ctrlc,
|
| 647 |
|
|
CYG_ADDRWORD __vector, CYG_ADDRWORD __data)
|
| 648 |
|
|
{
|
| 649 |
|
|
return 0;
|
| 650 |
|
|
}
|
| 651 |
|
|
|
| 652 |
|
|
void fb_comm_init(void)
|
| 653 |
|
|
{
|
| 654 |
|
|
static int init = 0;
|
| 655 |
|
|
|
| 656 |
|
|
if (!init) {
|
| 657 |
|
|
hal_virtual_comm_table_t* comm;
|
| 658 |
|
|
int cur = CYGACC_CALL_IF_SET_CONSOLE_COMM(CYGNUM_CALL_IF_SET_COMM_ID_QUERY_CURRENT);
|
| 659 |
|
|
|
| 660 |
|
|
// Setup procs in the vector table
|
| 661 |
|
|
CYGACC_CALL_IF_SET_CONSOLE_COMM(1);
|
| 662 |
|
|
comm = CYGACC_CALL_IF_CONSOLE_PROCS();
|
| 663 |
|
|
//CYGACC_COMM_IF_CH_DATA_SET(*comm, chan);
|
| 664 |
|
|
CYGACC_COMM_IF_WRITE_SET(*comm, lcd_comm_write);
|
| 665 |
|
|
CYGACC_COMM_IF_READ_SET(*comm, lcd_comm_read);
|
| 666 |
|
|
CYGACC_COMM_IF_PUTC_SET(*comm, lcd_comm_putc);
|
| 667 |
|
|
CYGACC_COMM_IF_GETC_SET(*comm, lcd_comm_getc);
|
| 668 |
|
|
CYGACC_COMM_IF_CONTROL_SET(*comm, lcd_comm_control);
|
| 669 |
|
|
CYGACC_COMM_IF_DBG_ISR_SET(*comm, lcd_comm_isr);
|
| 670 |
|
|
CYGACC_COMM_IF_GETC_TIMEOUT_SET(*comm, lcd_comm_getc_timeout);
|
| 671 |
|
|
|
| 672 |
|
|
// Restore original console
|
| 673 |
|
|
CYGACC_CALL_IF_SET_CONSOLE_COMM(cur);
|
| 674 |
|
|
|
| 675 |
|
|
init = 1;
|
| 676 |
|
|
}
|
| 677 |
|
|
}
|
| 678 |
|
|
|
| 679 |
|
|
//-----------------------------------------------------------------------------
|
| 680 |
|
|
// End of fb_support.c
|
