+++ /dev/null
-/**
- * \file
- * <!--
- * This file is part of BeRTOS.
- *
- * Bertos 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 of the License, or
- * (at your option) any later version.
- *
- * This program 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 this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
- *
- * As a special exception, you may use this file as part of a free software
- * library without restriction. Specifically, if other files instantiate
- * templates or use macros or inline functions from this file, or you compile
- * this file and link it with other files to produce an executable, this
- * file does not by itself cause the resulting executable to be covered by
- * the GNU General Public License. This exception does not however
- * invalidate any other reasons why the executable file might be covered by
- * the GNU General Public License.
- *
- * Copyright 2006 Develer S.r.l. (http://www.develer.com/)
- * Copyright 2000,2001 Bernardo Innocenti <bernie@codewiz.org>
- *
- * -->
- *
- * \version $Id$
- *
- * \author Bernardo Innocenti <bernie@develer.com>
- *
- * \brief Custom Qt widget for emulating a graphics LCD display (implementation)
- */
-
-/*#*
- *#* $Log$
- *#* Revision 1.1 2006/01/16 03:51:35 bernie
- *#* Add LCD Qt emulator.
- *#*
- *#*/
-
-#include <qpainter.h>
-#include <qfont.h>
-#include <qsizepolicy.h>
-#include <qsize.h>
-#include "EmulLCD.h"
-#include "Emul.h"
-
-
-// Display colors
-#define LCD_FG_COLOR 0x0, 0x0, 0x0
-#define LCD_BG_COLOR 0xBB, 0xCC, 0xBB
-
-
-EmulLCD::EmulLCD(QWidget *parent, const char *name) :
- QFrame(parent, name, WRepaintNoErase | WResizeNoErase),
- lcd_font("courier", 18),
- fg_color(LCD_FG_COLOR),
- bg_color(LCD_BG_COLOR),
- cr_row(0),
- cr_col(0),
- cgramaddr(-1),
- show_cursor(true)
-{
- // initialize DDRAM
- memcpy(ddram,
- "01234567890123456789"
- "abcdefghijhlmnopqrst"
- "ABCDEFGHIJKLMNOPQRST"
- "!@#$%^&*()_+|{}':?><",
- sizeof(ddram));
-
- // setup font
- lcd_font.setFixedPitch(true);
- setFont(lcd_font);
-
- // get exact font size
- QFontMetrics fm(lcd_font);
- font_width = fm.width(QChar(' '));
- font_height = fm.height();
-
- // set widget frame
- setFrameStyle(QFrame::Panel | QFrame::Sunken);
-// setLineWidth(2);
- frame_width = frameWidth();
-}
-
-
-EmulLCD::~EmulLCD()
-{
- // nop
-}
-
-
-QSizePolicy EmulLCD::sizePolicy() const
-{
- return QSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed, false);
-}
-
-
-QSize EmulLCD::sizeHint() const
-{
- return QSize(
- font_width * COLS + frame_width * 2,
- font_height * ROWS + frame_width * 2);
-}
-
-
-void EmulLCD::drawContents(QPainter *p)
-{
- RedrawText(*p);
-}
-
-
-void EmulLCD::SetPainter(QPainter & p)
-{
- p.setBackgroundMode(OpaqueMode);
- p.setPen(fg_color);
- p.setBackgroundColor(bg_color);
-}
-
-
-void EmulLCD::RedrawText(QPainter & p)
-{
- int r, c;
-
- SetPainter(p);
-
- for (r = 0; r < ROWS; r++)
- for (c = 0; c < COLS; c++)
- PrintChar(p, r, c);
-}
-
-
-void EmulLCD::PrintChar(QPainter & p, int row, int col)
-{
- // Fetch char from DD RAM
- unsigned char c = ddram[row][col];
-
- // Map some Hitachi characters to ISO Latin1
- switch(c)
- {
- case 0xDF:
- c = 0xBA; // "degrees" glyph
- break;
-
- case 0xE4:
- c = 0xB5; // "micro" glyph
- break;
-
- default: // all others
- break;
- }
-
- // Draw char on display
- int x = col * font_width + frame_width;
- int y = row * font_height + frame_width;
- bool restore_colors = false;
-
- if (show_cursor && (row == cr_row) && (col == cr_col))
- {
- // Exchange FG/BG colors
- p.setPen(bg_color);
- p.setBackgroundColor(fg_color);
- restore_colors = true;
- }
-
- p.drawText(x, y, x + font_width, y + font_height, 0 /*tf*/,
- QString(QChar(c)), 1);
-
- if (restore_colors)
- {
- // Restore FG/BG colors
- p.setPen(fg_color);
- p.setBackgroundColor(bg_color);
- }
-}
-
-
-void EmulLCD::MoveCursor(int r, int c)
-{
- // Save old cursor position
- int old_row = cr_row;
- int old_col = cr_col;
-
- // Move the cursor
- cgramaddr = -1;
- cr_row = r;
- cr_col = c;
-
- if (show_cursor && (old_col != cr_col || old_row != cr_row))
- {
- QPainter p(this);
- SetPainter(p);
-
- // Draw new cursor
- PrintChar(p, cr_row, cr_col);
-
- // Erase old cursor
- PrintChar(p, old_row, old_col);
- }
-}
-
-
-void EmulLCD::ShowCursor(bool show)
-{
- show_cursor = show;
-
- // Draw (or erase) cursor
- QPainter p(this);
- SetPainter(p);
- PrintChar(p, cr_row, cr_col);
-}
-
-
-void EmulLCD::AdvanceCursor()
-{
- // Move the cursor
- if (cr_col == COLS - 1)
- {
- if (cr_row == ROWS - 1)
- MoveCursor(0, 0);
- else
- MoveCursor(cr_row + 1, 0);
- }
- else
- MoveCursor(cr_row, cr_col + 1);
-}
-
-
-void EmulLCD::PutChar(unsigned char c)
-{
- if (cgramaddr != -1)
- {
- // Write data in CGRAM
- cgram[cgramaddr] = c;
-
- // Auto increment CGRAM address
- cgramaddr = (cgramaddr + 1) & 0x3F;
- }
- else
- {
- // Writing in DDRAM
- ddram[cr_row][cr_col] = c;
-
- // Update display
- {
- QPainter p(this);
- SetPainter(p);
- PrintChar(p, cr_row, cr_col);
- }
- AdvanceCursor();
- }
-}
-
-
-char EmulLCD::GetChar()
-{
- char c = ddram[cr_row][cr_col];
- AdvanceCursor();
- return c;
-}
-
-
-void EmulLCD::Clear()
-{
- memset(ddram, ' ', sizeof(ddram));
- cr_row = cr_col = 0;
-
- QPainter p(this);
- RedrawText(p);
-}
-
-
-void EmulLCD::SetCGRamAddr(unsigned char addr)
-{
- cgramaddr = addr & (sizeof(cgram) - 1);
-}
-
-
-// Hitachi LM044L register-level emulation
-
-#define INI_DISPLAY 0x30
-#define INI_OP_DISP 0x38 /* 8 bits, 2 lines, 5x7 dots */
-#define ON_DISPLAY 0x0F /* Switch on display */
-#define OFF_DISPLAY 0x08 /* Switch off display */
-#define CLR_DISPLAY 0x01 /* Clear display */
-#define CURSOR_BLOCK 0x0D /* Show cursor (block) */
-#define CURSOR_LINE 0x0F /* Show cursor (line) */
-#define CURSOR_OFF 0x0C /* Hide cursor */
-#define MODE_DISPL 0x06
-#define SHIFT_DISPLAY 0x18
-#define MOVESHIFT_LEFT 0x00
-#define MOVESHIFT_RIGHT 0x04
-#define LCD_CGRAMADDR (1<<6)
-#define LCD_DDRAMADDR (1<<7)
-
-
-extern "C" void Emul_LCDWriteReg(unsigned char d)
-{
- static const unsigned char lcd_rowaddress[EmulLCD::ROWS] = { 0x80, 0xC0, 0x94, 0xD4 };
-
- switch(d)
- {
- case CLR_DISPLAY:
- emul->emulLCD->Clear();
- break;
-
- case CURSOR_BLOCK:
- case CURSOR_LINE:
- emul->emulLCD->ShowCursor(true);
- break;
-
- case CURSOR_OFF:
- emul->emulLCD->ShowCursor(false);
- break;
-
- default:
- // Set DDRAM address?
- if (d & LCD_DDRAMADDR)
- {
- for (int i = 0; i < EmulLCD::ROWS; i++)
- {
- if ((d >= lcd_rowaddress[i]) && (d < lcd_rowaddress[i] + EmulLCD::COLS))
- {
- emul->emulLCD->MoveCursor(i, d - lcd_rowaddress[i]);
- break;
- }
- }
- }
- else if (d & LCD_CGRAMADDR)
- emul->emulLCD->SetCGRamAddr(d);
- break;
- }
-}
-
-
-extern "C" unsigned char Emul_LCDReadReg(void)
-{
- return 0; /* This LCD model is never busy ;-) */
-}
-
-
-extern "C" void Emul_LCDWriteData(unsigned char d)
-{
- emul->emulLCD->PutChar(d);
-}
-
-
-extern "C" unsigned char Emul_LCDReadData(void)
-{
- return emul->emulLCD->GetChar();
-}
-
-#include "EmulLCD.moc"
-
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