| 1 |
786 |
skrzyp |
//==========================================================================
|
| 2 |
|
|
//
|
| 3 |
|
|
// lcd_support.c
|
| 4 |
|
|
//
|
| 5 |
|
|
// Cirrus EDB7xxx eval board LCD support code
|
| 6 |
|
|
//
|
| 7 |
|
|
//==========================================================================
|
| 8 |
|
|
// ####ECOSGPLCOPYRIGHTBEGIN####
|
| 9 |
|
|
// -------------------------------------------
|
| 10 |
|
|
// This file is part of eCos, the Embedded Configurable Operating System.
|
| 11 |
|
|
// Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
|
| 12 |
|
|
//
|
| 13 |
|
|
// eCos is free software; you can redistribute it and/or modify it under
|
| 14 |
|
|
// the terms of the GNU General Public License as published by the Free
|
| 15 |
|
|
// Software Foundation; either version 2 or (at your option) any later
|
| 16 |
|
|
// version.
|
| 17 |
|
|
//
|
| 18 |
|
|
// eCos is distributed in the hope that it will be useful, but WITHOUT
|
| 19 |
|
|
// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
| 20 |
|
|
// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
| 21 |
|
|
// for more details.
|
| 22 |
|
|
//
|
| 23 |
|
|
// You should have received a copy of the GNU General Public License
|
| 24 |
|
|
// along with eCos; if not, write to the Free Software Foundation, Inc.,
|
| 25 |
|
|
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
| 26 |
|
|
//
|
| 27 |
|
|
// As a special exception, if other files instantiate templates or use
|
| 28 |
|
|
// macros or inline functions from this file, or you compile this file
|
| 29 |
|
|
// and link it with other works to produce a work based on this file,
|
| 30 |
|
|
// this file does not by itself cause the resulting work to be covered by
|
| 31 |
|
|
// the GNU General Public License. However the source code for this file
|
| 32 |
|
|
// must still be made available in accordance with section (3) of the GNU
|
| 33 |
|
|
// General Public License v2.
|
| 34 |
|
|
//
|
| 35 |
|
|
// This exception does not invalidate any other reasons why a work based
|
| 36 |
|
|
// on this file might be covered by the GNU General Public License.
|
| 37 |
|
|
// -------------------------------------------
|
| 38 |
|
|
// ####ECOSGPLCOPYRIGHTEND####
|
| 39 |
|
|
//==========================================================================
|
| 40 |
|
|
//#####DESCRIPTIONBEGIN####
|
| 41 |
|
|
//
|
| 42 |
|
|
// Author(s): gthomas
|
| 43 |
|
|
// Contributors: gthomas
|
| 44 |
|
|
// Date: 1999-09-01
|
| 45 |
|
|
// Description: Functions to drive LCD display
|
| 46 |
|
|
//####DESCRIPTIONEND####
|
| 47 |
|
|
|
| 48 |
|
|
// 8x8 Font - from Helios
|
| 49 |
|
|
|
| 50 |
|
|
#define FIRST_CHAR 0x20
|
| 51 |
|
|
#define LAST_CHAR 0x7E
|
| 52 |
|
|
#define FONT_HEIGHT 8
|
| 53 |
|
|
#define FONT_WIDTH 8
|
| 54 |
|
|
#define CURSOR_ON 0x5F
|
| 55 |
|
|
#define CURSOR_OFF 0x20
|
| 56 |
|
|
static char font_table[LAST_CHAR-FIRST_CHAR+1][8] =
|
| 57 |
|
|
{
|
| 58 |
|
|
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, /* */
|
| 59 |
|
|
{ 0x18, 0x18, 0x18, 0x18, 0x18, 0x00, 0x18, 0x00 }, /* ! */
|
| 60 |
|
|
{ 0x36, 0x36, 0x36, 0x00, 0x00, 0x00, 0x00, 0x00 }, /* " */
|
| 61 |
|
|
{ 0x6C, 0x6C, 0xFE, 0x6C, 0xFE, 0x6C, 0x6C, 0x00 }, /* # */
|
| 62 |
|
|
{ 0x30, 0xFC, 0x16, 0x7C, 0xD0, 0x7E, 0x18, 0x00 }, /* $ */
|
| 63 |
|
|
{ 0x06, 0x66, 0x30, 0x18, 0x0C, 0x66, 0x60, 0x00 }, /* % */
|
| 64 |
|
|
{ 0x1C, 0x36, 0x36, 0x1C, 0xB6, 0x66, 0xDC, 0x00 }, /* & */
|
| 65 |
|
|
{ 0x18, 0x18, 0x18, 0x00, 0x00, 0x00, 0x00, 0x00 }, /* ' */
|
| 66 |
|
|
{ 0x30, 0x18, 0x0C, 0x0C, 0x0C, 0x18, 0x30, 0x00 }, /* ( */
|
| 67 |
|
|
{ 0x0C, 0x18, 0x30, 0x30, 0x30, 0x18, 0x0C, 0x00 }, /* ) */
|
| 68 |
|
|
{ 0x00, 0x18, 0x7E, 0x3C, 0x7E, 0x18, 0x00, 0x00 }, /* * */
|
| 69 |
|
|
{ 0x00, 0x18, 0x18, 0x7E, 0x18, 0x18, 0x00, 0x00 }, /* + */
|
| 70 |
|
|
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x18, 0x18, 0x0C }, /* , */
|
| 71 |
|
|
{ 0x00, 0x00, 0x00, 0x7E, 0x00, 0x00, 0x00, 0x00 }, /* - */
|
| 72 |
|
|
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x18, 0x18, 0x00 }, /* . */
|
| 73 |
|
|
{ 0x00, 0x60, 0x30, 0x18, 0x0C, 0x06, 0x00, 0x00 }, /* / */
|
| 74 |
|
|
{ 0x3C, 0x66, 0x76, 0x7E, 0x6E, 0x66, 0x3C, 0x00 }, /* 0 */
|
| 75 |
|
|
{ 0x18, 0x1C, 0x18, 0x18, 0x18, 0x18, 0x7E, 0x00 }, /* 1 */
|
| 76 |
|
|
{ 0x3C, 0x66, 0x60, 0x30, 0x18, 0x0C, 0x7E, 0x00 }, /* 2 */
|
| 77 |
|
|
{ 0x3C, 0x66, 0x60, 0x38, 0x60, 0x66, 0x3C, 0x00 }, /* 3 */
|
| 78 |
|
|
{ 0x30, 0x38, 0x3C, 0x36, 0x7E, 0x30, 0x30, 0x00 }, /* 4 */
|
| 79 |
|
|
{ 0x7E, 0x06, 0x3E, 0x60, 0x60, 0x66, 0x3C, 0x00 }, /* 5 */
|
| 80 |
|
|
{ 0x38, 0x0C, 0x06, 0x3E, 0x66, 0x66, 0x3C, 0x00 }, /* 6 */
|
| 81 |
|
|
{ 0x7E, 0x60, 0x30, 0x18, 0x0C, 0x0C, 0x0C, 0x00 }, /* 7 */
|
| 82 |
|
|
{ 0x3C, 0x66, 0x66, 0x3C, 0x66, 0x66, 0x3C, 0x00 }, /* 8 */
|
| 83 |
|
|
{ 0x3C, 0x66, 0x66, 0x7C, 0x60, 0x30, 0x1C, 0x00 }, /* 9 */
|
| 84 |
|
|
{ 0x00, 0x00, 0x18, 0x18, 0x00, 0x18, 0x18, 0x00 }, /* : */
|
| 85 |
|
|
{ 0x00, 0x00, 0x18, 0x18, 0x00, 0x18, 0x18, 0x0C }, /* ; */
|
| 86 |
|
|
{ 0x30, 0x18, 0x0C, 0x06, 0x0C, 0x18, 0x30, 0x00 }, /* < */
|
| 87 |
|
|
{ 0x00, 0x00, 0x7E, 0x00, 0x7E, 0x00, 0x00, 0x00 }, /* = */
|
| 88 |
|
|
{ 0x0C, 0x18, 0x30, 0x60, 0x30, 0x18, 0x0C, 0x00 }, /* > */
|
| 89 |
|
|
{ 0x3C, 0x66, 0x30, 0x18, 0x18, 0x00, 0x18, 0x00 }, /* ? */
|
| 90 |
|
|
{ 0x3C, 0x66, 0x76, 0x56, 0x76, 0x06, 0x3C, 0x00 }, /* @ */
|
| 91 |
|
|
{ 0x3C, 0x66, 0x66, 0x7E, 0x66, 0x66, 0x66, 0x00 }, /* A */
|
| 92 |
|
|
{ 0x3E, 0x66, 0x66, 0x3E, 0x66, 0x66, 0x3E, 0x00 }, /* B */
|
| 93 |
|
|
{ 0x3C, 0x66, 0x06, 0x06, 0x06, 0x66, 0x3C, 0x00 }, /* C */
|
| 94 |
|
|
{ 0x1E, 0x36, 0x66, 0x66, 0x66, 0x36, 0x1E, 0x00 }, /* D */
|
| 95 |
|
|
{ 0x7E, 0x06, 0x06, 0x3E, 0x06, 0x06, 0x7E, 0x00 }, /* E */
|
| 96 |
|
|
{ 0x7E, 0x06, 0x06, 0x3E, 0x06, 0x06, 0x06, 0x00 }, /* F */
|
| 97 |
|
|
{ 0x3C, 0x66, 0x06, 0x76, 0x66, 0x66, 0x3C, 0x00 }, /* G */
|
| 98 |
|
|
{ 0x66, 0x66, 0x66, 0x7E, 0x66, 0x66, 0x66, 0x00 }, /* H */
|
| 99 |
|
|
{ 0x7E, 0x18, 0x18, 0x18, 0x18, 0x18, 0x7E, 0x00 }, /* I */
|
| 100 |
|
|
{ 0x7C, 0x30, 0x30, 0x30, 0x30, 0x36, 0x1C, 0x00 }, /* J */
|
| 101 |
|
|
{ 0x66, 0x36, 0x1E, 0x0E, 0x1E, 0x36, 0x66, 0x00 }, /* K */
|
| 102 |
|
|
{ 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x7E, 0x00 }, /* L */
|
| 103 |
|
|
{ 0xC6, 0xEE, 0xFE, 0xD6, 0xD6, 0xC6, 0xC6, 0x00 }, /* M */
|
| 104 |
|
|
{ 0x66, 0x66, 0x6E, 0x7E, 0x76, 0x66, 0x66, 0x00 }, /* N */
|
| 105 |
|
|
{ 0x3C, 0x66, 0x66, 0x66, 0x66, 0x66, 0x3C, 0x00 }, /* O */
|
| 106 |
|
|
{ 0x3E, 0x66, 0x66, 0x3E, 0x06, 0x06, 0x06, 0x00 }, /* P */
|
| 107 |
|
|
{ 0x3C, 0x66, 0x66, 0x66, 0x56, 0x36, 0x6C, 0x00 }, /* Q */
|
| 108 |
|
|
{ 0x3E, 0x66, 0x66, 0x3E, 0x36, 0x66, 0x66, 0x00 }, /* R */
|
| 109 |
|
|
{ 0x3C, 0x66, 0x06, 0x3C, 0x60, 0x66, 0x3C, 0x00 }, /* S */
|
| 110 |
|
|
{ 0x7E, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x00 }, /* T */
|
| 111 |
|
|
{ 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x3C, 0x00 }, /* U */
|
| 112 |
|
|
{ 0x66, 0x66, 0x66, 0x66, 0x66, 0x3C, 0x18, 0x00 }, /* V */
|
| 113 |
|
|
{ 0xC6, 0xC6, 0xD6, 0xD6, 0xFE, 0xEE, 0xC6, 0x00 }, /* W */
|
| 114 |
|
|
{ 0x66, 0x66, 0x3C, 0x18, 0x3C, 0x66, 0x66, 0x00 }, /* X */
|
| 115 |
|
|
{ 0x66, 0x66, 0x66, 0x3C, 0x18, 0x18, 0x18, 0x00 }, /* Y */
|
| 116 |
|
|
{ 0x7E, 0x60, 0x30, 0x18, 0x0C, 0x06, 0x7E, 0x00 }, /* Z */
|
| 117 |
|
|
{ 0x3E, 0x06, 0x06, 0x06, 0x06, 0x06, 0x3E, 0x00 }, /* [ */
|
| 118 |
|
|
{ 0x00, 0x06, 0x0C, 0x18, 0x30, 0x60, 0x00, 0x00 }, /* \ */
|
| 119 |
|
|
{ 0x7C, 0x60, 0x60, 0x60, 0x60, 0x60, 0x7C, 0x00 }, /* ] */
|
| 120 |
|
|
{ 0x3C, 0x66, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, /* ^ */
|
| 121 |
|
|
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF }, /* _ */
|
| 122 |
|
|
{ 0x0C, 0x18, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, /* ` */
|
| 123 |
|
|
{ 0x00, 0x00, 0x3C, 0x60, 0x7C, 0x66, 0x7C, 0x00 }, /* a */
|
| 124 |
|
|
{ 0x06, 0x06, 0x3E, 0x66, 0x66, 0x66, 0x3E, 0x00 }, /* b */
|
| 125 |
|
|
{ 0x00, 0x00, 0x3C, 0x66, 0x06, 0x66, 0x3C, 0x00 }, /* c */
|
| 126 |
|
|
{ 0x60, 0x60, 0x7C, 0x66, 0x66, 0x66, 0x7C, 0x00 }, /* d */
|
| 127 |
|
|
{ 0x00, 0x00, 0x3C, 0x66, 0x7E, 0x06, 0x3C, 0x00 }, /* e */
|
| 128 |
|
|
{ 0x38, 0x0C, 0x0C, 0x3E, 0x0C, 0x0C, 0x0C, 0x00 }, /* f */
|
| 129 |
|
|
{ 0x00, 0x00, 0x7C, 0x66, 0x66, 0x7C, 0x60, 0x3C }, /* g */
|
| 130 |
|
|
{ 0x06, 0x06, 0x3E, 0x66, 0x66, 0x66, 0x66, 0x00 }, /* h */
|
| 131 |
|
|
{ 0x18, 0x00, 0x1C, 0x18, 0x18, 0x18, 0x3C, 0x00 }, /* i */
|
| 132 |
|
|
{ 0x18, 0x00, 0x1C, 0x18, 0x18, 0x18, 0x18, 0x0E }, /* j */
|
| 133 |
|
|
{ 0x06, 0x06, 0x66, 0x36, 0x1E, 0x36, 0x66, 0x00 }, /* k */
|
| 134 |
|
|
{ 0x1C, 0x18, 0x18, 0x18, 0x18, 0x18, 0x3C, 0x00 }, /* l */
|
| 135 |
|
|
{ 0x00, 0x00, 0x6C, 0xFE, 0xD6, 0xD6, 0xC6, 0x00 }, /* m */
|
| 136 |
|
|
{ 0x00, 0x00, 0x3E, 0x66, 0x66, 0x66, 0x66, 0x00 }, /* n */
|
| 137 |
|
|
{ 0x00, 0x00, 0x3C, 0x66, 0x66, 0x66, 0x3C, 0x00 }, /* o */
|
| 138 |
|
|
{ 0x00, 0x00, 0x3E, 0x66, 0x66, 0x3E, 0x06, 0x06 }, /* p */
|
| 139 |
|
|
{ 0x00, 0x00, 0x7C, 0x66, 0x66, 0x7C, 0x60, 0xE0 }, /* q */
|
| 140 |
|
|
{ 0x00, 0x00, 0x36, 0x6E, 0x06, 0x06, 0x06, 0x00 }, /* r */
|
| 141 |
|
|
{ 0x00, 0x00, 0x7C, 0x06, 0x3C, 0x60, 0x3E, 0x00 }, /* s */
|
| 142 |
|
|
{ 0x0C, 0x0C, 0x3E, 0x0C, 0x0C, 0x0C, 0x38, 0x00 }, /* t */
|
| 143 |
|
|
{ 0x00, 0x00, 0x66, 0x66, 0x66, 0x66, 0x7C, 0x00 }, /* u */
|
| 144 |
|
|
{ 0x00, 0x00, 0x66, 0x66, 0x66, 0x3C, 0x18, 0x00 }, /* v */
|
| 145 |
|
|
{ 0x00, 0x00, 0xC6, 0xD6, 0xD6, 0xFE, 0x6C, 0x00 }, /* w */
|
| 146 |
|
|
{ 0x00, 0x00, 0x66, 0x3C, 0x18, 0x3C, 0x66, 0x00 }, /* x */
|
| 147 |
|
|
{ 0x00, 0x00, 0x66, 0x66, 0x66, 0x7C, 0x60, 0x3C }, /* y */
|
| 148 |
|
|
{ 0x00, 0x00, 0x7E, 0x30, 0x18, 0x0C, 0x7E, 0x00 }, /* z */
|
| 149 |
|
|
{ 0x30, 0x18, 0x18, 0x0E, 0x18, 0x18, 0x30, 0x00 }, /* { */
|
| 150 |
|
|
{ 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x00 }, /* | */
|
| 151 |
|
|
{ 0x0C, 0x18, 0x18, 0x70, 0x18, 0x18, 0x0C, 0x00 }, /* } */
|
| 152 |
|
|
{ 0x8C, 0xD6, 0x62, 0x00, 0x00, 0x00, 0x00, 0x00 } /* ~ */
|
| 153 |
|
|
};
|
| 154 |
|
|
|
| 155 |
|
|
#define ALPS_LH
|
| 156 |
|
|
#ifdef ALPS_LH
|
| 157 |
|
|
#define LCD_WIDTH 640
|
| 158 |
|
|
#define LCD_HEIGHT 240
|
| 159 |
|
|
#else
|
| 160 |
|
|
#define LCD_WIDTH 320
|
| 161 |
|
|
#define LCD_HEIGHT 240
|
| 162 |
|
|
#endif
|
| 163 |
|
|
// This can be 1 or 2
|
| 164 |
|
|
#define SCREEN_SCALE 2
|
| 165 |
|
|
#define NIBBLES_PER_PIXEL (1*SCREEN_SCALE)
|
| 166 |
|
|
#define PIXELS_PER_BYTE (2/NIBBLES_PER_PIXEL)
|
| 167 |
|
|
#define PIXEL_MASK ((1<<PIXELS_PER_BYTE)-1)
|
| 168 |
|
|
|
| 169 |
|
|
// Physical screen info
|
| 170 |
|
|
static int lcd_depth; // Should be 1, 2, or 4
|
| 171 |
|
|
static int lcd_width = LCD_WIDTH;
|
| 172 |
|
|
static int lcd_height = LCD_HEIGHT;
|
| 173 |
|
|
static cyg_uint8 *lcd_base = (cyg_uint8 *)0xC0000000;
|
| 174 |
|
|
|
| 175 |
|
|
// Virtual screen info
|
| 176 |
|
|
static int curX = 0; // Last used position
|
| 177 |
|
|
static int curY = 0;
|
| 178 |
|
|
static int width = LCD_WIDTH / (FONT_WIDTH*NIBBLES_PER_PIXEL);
|
| 179 |
|
|
static int height = LCD_HEIGHT / (FONT_HEIGHT*SCREEN_SCALE);
|
| 180 |
|
|
static int fg = 0x0F;
|
| 181 |
|
|
static int bg = 0x00;
|
| 182 |
|
|
|
| 183 |
|
|
// Functions
|
| 184 |
|
|
static void lcd_drawc(cyg_int8 c, int x, int y);
|
| 185 |
|
|
|
| 186 |
|
|
void
|
| 187 |
|
|
lcd_on(int depth)
|
| 188 |
|
|
{
|
| 189 |
|
|
cyg_int32 ctl_word = 0;
|
| 190 |
|
|
lcd_depth = depth;
|
| 191 |
|
|
switch (depth) {
|
| 192 |
|
|
case 1:
|
| 193 |
|
|
*(volatile cyg_int32 *)PALLSW = 0xF0F0F0F0;
|
| 194 |
|
|
*(volatile cyg_int32 *)PALMSW = 0xF0F0F0F0;
|
| 195 |
|
|
ctl_word = 0;
|
| 196 |
|
|
break;
|
| 197 |
|
|
case 2:
|
| 198 |
|
|
*(volatile cyg_int32 *)PALLSW = 0xFA50FA50;
|
| 199 |
|
|
*(volatile cyg_int32 *)PALMSW = 0xFA50FA50;
|
| 200 |
|
|
ctl_word = LCDCON_GSEN;
|
| 201 |
|
|
break;
|
| 202 |
|
|
case 4:
|
| 203 |
|
|
*(volatile cyg_int32 *)PALLSW = 0x76543210;
|
| 204 |
|
|
*(volatile cyg_int32 *)PALMSW = 0xFEDCBA98;
|
| 205 |
|
|
ctl_word = LCDCON_GSEN | LCDCON_GSMD;
|
| 206 |
|
|
break;
|
| 207 |
|
|
}
|
| 208 |
|
|
// Video buffer size
|
| 209 |
|
|
ctl_word |= ((lcd_width * lcd_height * lcd_depth) / 128 - 1) << LCDCON_BUFSIZ_S;
|
| 210 |
|
|
// Line length
|
| 211 |
|
|
ctl_word |= ((lcd_width / 16) - 1) << LCDCON_LINE_LENGTH_S;
|
| 212 |
|
|
// Pixel prescale
|
| 213 |
|
|
ctl_word |= ((526628 / (lcd_height * lcd_width)) - 1) << LCDCON_PIX_PRESCALE_S;
|
| 214 |
|
|
// AC frequency bias
|
| 215 |
|
|
ctl_word |= 0 << LCDCON_AC_PRESCALE_S;
|
| 216 |
|
|
*(volatile cyg_int32 *)LCDCON = ctl_word;
|
| 217 |
|
|
diag_printf("Depth: %d, ctl: %x\n", depth, ctl_word);
|
| 218 |
|
|
|
| 219 |
|
|
#ifdef ALPS_LH
|
| 220 |
|
|
#define LCD_DCDC 0x02
|
| 221 |
|
|
#define LCD_ENABLE 0x04
|
| 222 |
|
|
#define LCD_BACKLIGHT 0x08
|
| 223 |
|
|
#define LCD_INIT (LCD_DCDC|LCD_ENABLE|LCD_BACKLIGHT)
|
| 224 |
|
|
*(volatile cyg_uint8 *)PDDDR = 0x40; // 1's are inputs (backwards from A/B/E)
|
| 225 |
|
|
*(volatile cyg_uint8 *)PDDR = LCD_INIT; // Enable video + backlight + DC-DC converter
|
| 226 |
|
|
#else
|
| 227 |
|
|
#ifdef _CL7111
|
| 228 |
|
|
*(volatile cyg_uint8 *)PDDR = 0x20; // Enable video
|
| 229 |
|
|
*(volatile cyg_uint8 *)PEDDR = 0x0F; // Register E data direction
|
| 230 |
|
|
*(volatile cyg_uint8 *)PEDR |= 0x01; // Enable PE2
|
| 231 |
|
|
|
| 232 |
|
|
*(volatile cyg_uint32 *)PMPCON = 0x500; // Enable DC-to-DC pump #1
|
| 233 |
|
|
#endif
|
| 234 |
|
|
#endif
|
| 235 |
|
|
|
| 236 |
|
|
*(volatile cyg_uint8 *)FRBADDR = 0x0C; // Highest order nibble of LCD frame address
|
| 237 |
|
|
|
| 238 |
|
|
*(volatile cyg_uint32 *)SYSCON1 |= SYSCON1_LCDEN;
|
| 239 |
|
|
}
|
| 240 |
|
|
|
| 241 |
|
|
// Clear screen
|
| 242 |
|
|
void
|
| 243 |
|
|
lcd_clear(void)
|
| 244 |
|
|
{
|
| 245 |
|
|
cyg_int8 *ptr = lcd_base;
|
| 246 |
|
|
int i;
|
| 247 |
|
|
for (i = 0; i < (lcd_width*lcd_height*lcd_depth)/8; i++) {
|
| 248 |
|
|
*ptr++ = 0;
|
| 249 |
|
|
}
|
| 250 |
|
|
curX = 0; curY = 0;
|
| 251 |
|
|
lcd_drawc(CURSOR_ON, curX, curY);
|
| 252 |
|
|
}
|
| 253 |
|
|
|
| 254 |
|
|
// Position cursor
|
| 255 |
|
|
void
|
| 256 |
|
|
lcd_moveto(int X, int Y)
|
| 257 |
|
|
{
|
| 258 |
|
|
lcd_drawc(CURSOR_OFF, curX, curY);
|
| 259 |
|
|
if (X < 0) X = 0;
|
| 260 |
|
|
if (X >= width) X = width-1;
|
| 261 |
|
|
curX = X;
|
| 262 |
|
|
if (Y < 0) Y = 0;
|
| 263 |
|
|
if (Y >= height) Y = height-1;
|
| 264 |
|
|
curY = Y;
|
| 265 |
|
|
lcd_drawc(CURSOR_ON, curX, curY);
|
| 266 |
|
|
}
|
| 267 |
|
|
|
| 268 |
|
|
// Render a character at position (X,Y) with current background/foreground
|
| 269 |
|
|
static void
|
| 270 |
|
|
lcd_drawc(cyg_int8 c, int x, int y)
|
| 271 |
|
|
{
|
| 272 |
|
|
// Note: this only works for fonts which are a multiple of 8 bits wide!
|
| 273 |
|
|
cyg_uint8 *bufptr, bits;
|
| 274 |
|
|
int l, p, w;
|
| 275 |
|
|
switch (lcd_depth) {
|
| 276 |
|
|
case 1:
|
| 277 |
|
|
bufptr = lcd_base + ((y * FONT_HEIGHT * (lcd_width*lcd_depth)) + (x * FONT_WIDTH)) / 8;
|
| 278 |
|
|
for (l = 0; l < FONT_HEIGHT; l++) {
|
| 279 |
|
|
*bufptr = font_table[c][l];
|
| 280 |
|
|
bufptr += (lcd_width*lcd_depth)/8;
|
| 281 |
|
|
}
|
| 282 |
|
|
break;
|
| 283 |
|
|
case 2:
|
| 284 |
|
|
diag_printf("Depth 2 not implemented\n");
|
| 285 |
|
|
break;
|
| 286 |
|
|
case 4:
|
| 287 |
|
|
bufptr = lcd_base + ((y * (FONT_HEIGHT*SCREEN_SCALE) * (lcd_width*lcd_depth))
|
| 288 |
|
|
+ (x * (FONT_WIDTH*SCREEN_SCALE) * lcd_depth)) / 8;
|
| 289 |
|
|
for (l = 0; l < FONT_HEIGHT; l++) {
|
| 290 |
|
|
for (w = 0; w < SCREEN_SCALE; w++) {
|
| 291 |
|
|
bits = font_table[c-FIRST_CHAR][l];
|
| 292 |
|
|
for (p = 0; p < 8; p += PIXELS_PER_BYTE) {
|
| 293 |
|
|
switch (bits & PIXEL_MASK) {
|
| 294 |
|
|
case 0:
|
| 295 |
|
|
*bufptr++ = (bg << 4) | bg;
|
| 296 |
|
|
break;
|
| 297 |
|
|
case 1:
|
| 298 |
|
|
#if SCREEN_SCALE == 1
|
| 299 |
|
|
*bufptr++ = (bg << 4) | fg;
|
| 300 |
|
|
#else
|
| 301 |
|
|
*bufptr++ = (fg << 4) | fg;
|
| 302 |
|
|
#endif
|
| 303 |
|
|
break;
|
| 304 |
|
|
#if SCREEN_SCALE == 1
|
| 305 |
|
|
case 2:
|
| 306 |
|
|
*bufptr++ = (fg << 4) | bg;
|
| 307 |
|
|
break;
|
| 308 |
|
|
case 3:
|
| 309 |
|
|
*bufptr++ = (fg << 4) | fg;
|
| 310 |
|
|
break;
|
| 311 |
|
|
#endif
|
| 312 |
|
|
}
|
| 313 |
|
|
bits >>= PIXELS_PER_BYTE;
|
| 314 |
|
|
}
|
| 315 |
|
|
bufptr += (lcd_width*lcd_depth)/8 - (8/PIXELS_PER_BYTE);
|
| 316 |
|
|
}
|
| 317 |
|
|
}
|
| 318 |
|
|
break;
|
| 319 |
|
|
}
|
| 320 |
|
|
}
|
| 321 |
|
|
|
| 322 |
|
|
// Draw one character at the current position
|
| 323 |
|
|
void
|
| 324 |
|
|
lcd_putc(cyg_int8 c)
|
| 325 |
|
|
{
|
| 326 |
|
|
lcd_drawc(CURSOR_OFF, curX, curY);
|
| 327 |
|
|
switch (c) {
|
| 328 |
|
|
case '\r':
|
| 329 |
|
|
curX = 0;
|
| 330 |
|
|
break;
|
| 331 |
|
|
case '\n':
|
| 332 |
|
|
curY++;
|
| 333 |
|
|
break;
|
| 334 |
|
|
case '\b':
|
| 335 |
|
|
curX--;
|
| 336 |
|
|
if (curX < 0) {
|
| 337 |
|
|
curY--;
|
| 338 |
|
|
if (curY < 0) curY = 0;
|
| 339 |
|
|
curX = width-1;
|
| 340 |
|
|
}
|
| 341 |
|
|
break;
|
| 342 |
|
|
default:
|
| 343 |
|
|
lcd_drawc(c, curX, curY);
|
| 344 |
|
|
curX++;
|
| 345 |
|
|
if (curX == width) {
|
| 346 |
|
|
curY++;
|
| 347 |
|
|
curX = 0;
|
| 348 |
|
|
}
|
| 349 |
|
|
}
|
| 350 |
|
|
lcd_drawc(CURSOR_ON, curX, curY);
|
| 351 |
|
|
}
|
| 352 |
|
|
|
| 353 |
|
|
// Basic LCD 'printf()' support
|
| 354 |
|
|
|
| 355 |
|
|
#ifndef FALSE
|
| 356 |
|
|
#define FALSE 0
|
| 357 |
|
|
#define TRUE 1
|
| 358 |
|
|
#endif
|
| 359 |
|
|
|
| 360 |
|
|
#include <stdarg.h>
|
| 361 |
|
|
|
| 362 |
|
|
#define is_digit(c) ((c >= '0') && (c <= '9'))
|
| 363 |
|
|
|
| 364 |
|
|
static int
|
| 365 |
|
|
_cvt(unsigned long val, char *buf, long radix, char *digits)
|
| 366 |
|
|
{
|
| 367 |
|
|
char temp[80];
|
| 368 |
|
|
char *cp = temp;
|
| 369 |
|
|
int length = 0;
|
| 370 |
|
|
if (val == 0) {
|
| 371 |
|
|
/* Special case */
|
| 372 |
|
|
*cp++ = '0';
|
| 373 |
|
|
} else {
|
| 374 |
|
|
while (val) {
|
| 375 |
|
|
*cp++ = digits[val % radix];
|
| 376 |
|
|
val /= radix;
|
| 377 |
|
|
}
|
| 378 |
|
|
}
|
| 379 |
|
|
while (cp != temp) {
|
| 380 |
|
|
*buf++ = *--cp;
|
| 381 |
|
|
length++;
|
| 382 |
|
|
}
|
| 383 |
|
|
*buf = '\0';
|
| 384 |
|
|
return (length);
|
| 385 |
|
|
}
|
| 386 |
|
|
|
| 387 |
|
|
int
|
| 388 |
|
|
lcd_vprintf(void (*putc)(cyg_int8), const char *fmt0, va_list ap)
|
| 389 |
|
|
{
|
| 390 |
|
|
char c, sign, *cp;
|
| 391 |
|
|
int left_prec, right_prec, zero_fill, length, pad, pad_on_right;
|
| 392 |
|
|
char buf[32];
|
| 393 |
|
|
long val;
|
| 394 |
|
|
while ((c = *fmt0++)) {
|
| 395 |
|
|
cp = buf;
|
| 396 |
|
|
length = 0;
|
| 397 |
|
|
if (c == '%') {
|
| 398 |
|
|
c = *fmt0++;
|
| 399 |
|
|
left_prec = right_prec = pad_on_right = 0;
|
| 400 |
|
|
if (c == '-') {
|
| 401 |
|
|
c = *fmt0++;
|
| 402 |
|
|
pad_on_right++;
|
| 403 |
|
|
}
|
| 404 |
|
|
if (c == '0') {
|
| 405 |
|
|
zero_fill = TRUE;
|
| 406 |
|
|
c = *fmt0++;
|
| 407 |
|
|
} else {
|
| 408 |
|
|
zero_fill = FALSE;
|
| 409 |
|
|
}
|
| 410 |
|
|
while (is_digit(c)) {
|
| 411 |
|
|
left_prec = (left_prec * 10) + (c - '0');
|
| 412 |
|
|
c = *fmt0++;
|
| 413 |
|
|
}
|
| 414 |
|
|
if (c == '.') {
|
| 415 |
|
|
c = *fmt0++;
|
| 416 |
|
|
zero_fill++;
|
| 417 |
|
|
while (is_digit(c)) {
|
| 418 |
|
|
right_prec = (right_prec * 10) + (c - '0');
|
| 419 |
|
|
c = *fmt0++;
|
| 420 |
|
|
}
|
| 421 |
|
|
} else {
|
| 422 |
|
|
right_prec = left_prec;
|
| 423 |
|
|
}
|
| 424 |
|
|
sign = '\0';
|
| 425 |
|
|
switch (c) {
|
| 426 |
|
|
case 'd':
|
| 427 |
|
|
case 'x':
|
| 428 |
|
|
case 'X':
|
| 429 |
|
|
val = va_arg(ap, long);
|
| 430 |
|
|
switch (c) {
|
| 431 |
|
|
case 'd':
|
| 432 |
|
|
if (val < 0) {
|
| 433 |
|
|
sign = '-';
|
| 434 |
|
|
val = -val;
|
| 435 |
|
|
}
|
| 436 |
|
|
length = _cvt(val, buf, 10, "0123456789");
|
| 437 |
|
|
break;
|
| 438 |
|
|
case 'x':
|
| 439 |
|
|
length = _cvt(val, buf, 16, "0123456789abcdef");
|
| 440 |
|
|
break;
|
| 441 |
|
|
case 'X':
|
| 442 |
|
|
length = _cvt(val, buf, 16, "0123456789ABCDEF");
|
| 443 |
|
|
break;
|
| 444 |
|
|
}
|
| 445 |
|
|
break;
|
| 446 |
|
|
case 's':
|
| 447 |
|
|
cp = va_arg(ap, char *);
|
| 448 |
|
|
length = strlen(cp);
|
| 449 |
|
|
break;
|
| 450 |
|
|
case 'c':
|
| 451 |
|
|
c = va_arg(ap, long /*char*/);
|
| 452 |
|
|
(*putc)(c);
|
| 453 |
|
|
continue;
|
| 454 |
|
|
default:
|
| 455 |
|
|
(*putc)('?');
|
| 456 |
|
|
}
|
| 457 |
|
|
pad = left_prec - length;
|
| 458 |
|
|
if (sign != '\0') {
|
| 459 |
|
|
pad--;
|
| 460 |
|
|
}
|
| 461 |
|
|
if (zero_fill) {
|
| 462 |
|
|
c = '0';
|
| 463 |
|
|
if (sign != '\0') {
|
| 464 |
|
|
(*putc)(sign);
|
| 465 |
|
|
sign = '\0';
|
| 466 |
|
|
}
|
| 467 |
|
|
} else {
|
| 468 |
|
|
c = ' ';
|
| 469 |
|
|
}
|
| 470 |
|
|
if (!pad_on_right) {
|
| 471 |
|
|
while (pad-- > 0) {
|
| 472 |
|
|
(*putc)(c);
|
| 473 |
|
|
}
|
| 474 |
|
|
}
|
| 475 |
|
|
if (sign != '\0') {
|
| 476 |
|
|
(*putc)(sign);
|
| 477 |
|
|
}
|
| 478 |
|
|
while (length-- > 0) {
|
| 479 |
|
|
(*putc)(c = *cp++);
|
| 480 |
|
|
if (c == '\n') {
|
| 481 |
|
|
(*putc)('\r');
|
| 482 |
|
|
}
|
| 483 |
|
|
}
|
| 484 |
|
|
if (pad_on_right) {
|
| 485 |
|
|
while (pad-- > 0) {
|
| 486 |
|
|
(*putc)(' ');
|
| 487 |
|
|
}
|
| 488 |
|
|
}
|
| 489 |
|
|
} else {
|
| 490 |
|
|
(*putc)(c);
|
| 491 |
|
|
if (c == '\n') {
|
| 492 |
|
|
(*putc)('\r');
|
| 493 |
|
|
}
|
| 494 |
|
|
}
|
| 495 |
|
|
}
|
| 496 |
|
|
}
|
| 497 |
|
|
|
| 498 |
|
|
int
|
| 499 |
|
|
lcd_printf(char const *fmt, ...)
|
| 500 |
|
|
{
|
| 501 |
|
|
int ret;
|
| 502 |
|
|
va_list ap;
|
| 503 |
|
|
|
| 504 |
|
|
va_start(ap, fmt);
|
| 505 |
|
|
ret = lcd_vprintf(lcd_putc, fmt, ap);
|
| 506 |
|
|
va_end(ap);
|
| 507 |
|
|
return (ret);
|
| 508 |
|
|
}
|
| 509 |
|
|
|
