Fork of TFTLCD with new support for SSD1963 ad HX8352-A controller.
Fork of TFTLCD by
lcd_base.cpp
- Committer:
- ttodorov
- Date:
- 2012-12-01
- Revision:
- 0:881ff0b71102
- Child:
- 1:14bef43daf6f
File content as of revision 0:881ff0b71102:
/* * Copyright (C)2010-2012 Henning Karlsen. All right reserved. * Copyright (C)2012 Todor Todorov. * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library 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 * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to: * * Free Software Foundation, Inc. * 51 Franklin St, 5th Floor, Boston, MA 02110-1301, USA * *********************************************************************/ #include "lcd_base.h" #ifndef ushort typedef unsigned short ushort; #endif LCD::LCD( unsigned short width, unsigned short height ,PinName CS, PinName RS ) : _disp_width( width ), _disp_height( height ), _lcd_pin_cs( CS ), _lcd_pin_rs( RS ) {} inline void LCD::SetForeground( unsigned short color ) { _foreground = color; } inline void LCD::SetBackground( unsigned short color ) { _background = color; } void LCD::SetFont( const char *font ) { _font.font = font; _font.width = font[ 0 ]; _font.height = font[ 1 ]; _font.offset = font[ 2 ]; _font.numchars = font[ 3 ]; } inline unsigned short LCD::GetWidth( void ) { if ( _orientation == LANDSCAPE ) return _disp_height; return _disp_width; } inline unsigned short LCD::GetHeight( void ) { if ( _orientation == LANDSCAPE ) return _disp_width; return _disp_height; } void LCD::FillScreen( int color ) { unsigned short rgb = color == -1 ? _background : color == -2 ? _foreground : ( unsigned short ) color; _lcd_pin_cs = LOW; clearXY(); _lcd_pin_rs = HIGH; for ( int i = 0; i < ( ( _disp_width + 1 ) * ( _disp_height + 1 ) ); i++ ) writeData( rgb ); _lcd_pin_cs = HIGH; } inline void LCD::ClearScreen( void ) { FillScreen( -1 ); } void LCD::DrawPixel( unsigned short x, unsigned short y, int color ) { _lcd_pin_cs = LOW; setXY( x, y, x, y ); writeData( color == -1 ? _background : color == -2 ? _foreground : color ); _lcd_pin_cs = HIGH; clearXY(); } void LCD::DrawLine( unsigned short x1, unsigned short y1, unsigned short x2, unsigned short y2, int color ) { double delta, tx, ty; if ( ( ( x2 - x1 ) < 0 ) ) { swap( ushort, x1, x2 ) swap( ushort, y1, y2 ) } if ( ( ( y2 - y1 ) < 0 ) ) { swap( ushort, x1, x2 ) swap( ushort, y1, y2 ) } if ( y1 == y2 ) { if ( x1 > x2 ) swap( ushort, x1, x2 ) drawHLine( x1, y1, x2 - x1, color ); } else if ( x1 == x2 ) { if ( y1 > y2 ) swap( ushort, y1, y2 ) drawVLine( x1, y1, y2 - y1, color ); } else if ( abs( x2 - x1 ) > abs( y2 - y1 ) ) { unsigned short usedColor = color == -1 ? _background : color == -2 ? _foreground : ( unsigned short ) color; _lcd_pin_cs = LOW; delta = ( double( y2 - y1 ) / double( x2 - x1 ) ); ty = double( y1 ); if ( x1 > x2 ) { for ( int i = x1; i >= x2; i-- ) { setXY( i, int( ty + 0.5 ), i, int( ty + 0.5 ) ); writeData( usedColor ); ty = ty - delta; } } else { for ( int i = x1; i <= x2; i++ ) { setXY( i, int( ty + 0.5 ), i, int( ty + 0.5 ) ); writeData( usedColor ); ty = ty + delta; } } _lcd_pin_cs = HIGH; } else { unsigned short usedColor = color == -1 ? _background : color == -2 ? _foreground : ( unsigned short ) color; _lcd_pin_cs = LOW; delta = ( float( x2 - x1 ) / float( y2 - y1 ) ); tx = float( x1 ); if ( y1 > y2 ) { for ( int i = y2 + 1; i > y1; i-- ) { setXY( int( tx + 0.5 ), i, int( tx + 0.5 ), i ); writeData( usedColor ); tx = tx + delta; } } else { for ( int i = y1; i < y2 + 1; i++ ) { setXY( int( tx + 0.5 ), i, int( tx + 0.5 ), i ); writeData( usedColor ); tx = tx + delta; } } _lcd_pin_cs = HIGH; } clearXY(); } void LCD::DrawRect( unsigned short x1, unsigned short y1, unsigned short x2, unsigned short y2, int color ) { if ( x1 > x2 ) swap( ushort, x1, x2 ) if ( y1 > y2 ) swap( ushort, y1, y2 ) drawHLine( x1, y1, x2 - x1, color ); drawHLine( x1, y2, x2 - x1, color ); drawVLine( x1, y1, y2 - y1, color ); drawVLine( x2, y1, y2 - y1, color ); } void LCD::DrawRoundRect( unsigned short x1, unsigned short y1, unsigned short x2, unsigned short y2, int color ) { if ( x1 > x2 ) swap( ushort, x1, x2 ) if ( y1 > y2 ) swap( ushort, y1, y2 ) if ( ( x2 - x1 ) > 4 && ( y2 - y1 ) > 4 ) { DrawPixel( x1 + 1, y1 + 1, color ); DrawPixel( x2 - 1, y1 + 1, color ); DrawPixel( x1 + 1, y2 - 1, color ); DrawPixel( x2 - 1, y2 - 1, color ); drawHLine( x1 + 2, y1, x2 - x1 - 4, color ); drawHLine( x1 + 2, y2, x2 - x1 - 4, color ); drawVLine( x1, y1 + 2, y2 - y1 - 4, color ); drawVLine( x2, y1 + 2, y2 - y1 - 4, color ); } } void LCD::FillRect( unsigned short x1, unsigned short y1, unsigned short x2, unsigned short y2, int color ) { if ( x1 > x2 ) swap( ushort, x1, x2 ); if ( y1 > y2 ) swap( ushort, y1, y2 ); if ( _orientation == PORTRAIT ) { for ( int i = 0; i < ( ( y2 - y1 ) / 2 ) + 1; i++ ) { drawHLine( x1, y1 + i, x2 - x1, color ); drawHLine( x1, y2 - i, x2 - x1, color ); } } else { for ( int i = 0; i < ( ( x2 - x1 ) / 2 ) + 1; i++ ) { drawVLine( x1 + i, y1, y2 - y1, color ); drawVLine( x2 - i, y1, y2 - y1, color ); } } } void LCD::FillRoundRect( unsigned short x1, unsigned short y1, unsigned short x2, unsigned short y2, int color ) { if ( x1 > x2 ) swap( ushort, x1, x2 ) if ( y1 > y2 ) swap( ushort, y1, y2 ) if ( ( x2 - x1 ) > 4 && ( y2 - y1 ) > 4 ) { for ( int i = 0; i < ( ( y2 - y1 ) / 2 ) + 1; i++ ) { switch ( i ) { case 0: drawHLine( x1 + 2, y1 + i, x2 - x1 - 4, color ); drawHLine( x1 + 2, y2 - i, x2 - x1 - 4, color ); break; case 1: drawHLine( x1 + 1, y1 + i, x2 - x1 - 2, color ); drawHLine( x1 + 1, y2 - i, x2 - x1 - 2, color ); break; default: drawHLine( x1, y1 + i, x2 - x1, color ); drawHLine( x1, y2 - i, x2 - x1, color ); break; } } } } void LCD::DrawCircle( unsigned short x, unsigned short y, unsigned short radius, int color ) { int f = 1 - radius; int ddF_x = 1; int ddF_y = -2 * radius; int x1 = 0; int y1 = radius; unsigned short usedColor = color == -1 ? _background : color == -2 ? _foreground : ( unsigned short ) color; _lcd_pin_cs = LOW; setXY( x, y + radius, x, y + radius ); writeData( usedColor ); setXY( x, y - radius, x, y - radius ); writeData( usedColor ); setXY( x + radius, y, x + radius, y ); writeData( usedColor ); setXY( x - radius, y, x - radius, y ); writeData( usedColor ); while ( x1 < y1 ) { if ( f >= 0 ) { y1--; ddF_y += 2; f += ddF_y; } x1++; ddF_x += 2; f += ddF_x; setXY( x + x1, y + y1, x + x1, y + y1 ); writeData( usedColor ); setXY( x - x1, y + y1, x - x1, y + y1 ); writeData( usedColor ); setXY( x + x1, y - y1, x + x1, y - y1 ); writeData( usedColor ); setXY( x - x1, y - y1, x - x1, y - y1 ); writeData( usedColor ); setXY( x + y1, y + x1, x + y1, y + x1 ); writeData( usedColor ); setXY( x - y1, y + x1, x - y1, y + x1 ); writeData( usedColor ); setXY( x + y1, y - x1, x + y1, y - x1 ); writeData( usedColor ); setXY( x - y1, y - x1, x - y1, y - x1 ); writeData( usedColor ); } _lcd_pin_cs = HIGH; clearXY(); } void LCD::FillCircle( unsigned short x, unsigned short y, unsigned short radius, int color ) { unsigned short usedColor = color == -1 ? _background : color == -2 ? _foreground : ( unsigned short ) color; _lcd_pin_cs = LOW; for ( int y1 = -radius; y1 <= radius; y1++ ) for ( int x1 = -radius; x1 <= radius; x1++ ) if ( x1 * x1 + y1 * y1 <= radius * radius ) { setXY( x + x1, y + y1, x + x1, y + y1 ); writeData( usedColor ); } _lcd_pin_cs = HIGH; clearXY(); } void LCD::Print( const char *str, unsigned short x, unsigned short y, int fgColor, int bgColor, unsigned short deg ) { int stl, i; stl = strlen( str ); if ( _orientation == PORTRAIT ) { if ( x == RIGHT ) x = ( _disp_width + 1 ) - ( stl * _font.width ); if ( x == CENTER ) x = ( ( _disp_width + 1 ) - ( stl * _font.width ) ) / 2; } else { if ( x == RIGHT ) x = ( _disp_height + 1 ) - ( stl * _font.width ); if ( x == CENTER ) x = ( ( _disp_height + 1 ) - ( stl * _font.width ) ) / 2; } for ( i = 0; i < stl; i++ ) if ( deg == 0 ) printChar( *str++, x + ( i * ( _font.width ) ), y, fgColor, bgColor ); else rotateChar( *str++, x, y, i, fgColor, bgColor, deg ); } void LCD::DrawBitmap( unsigned short x, unsigned short y, unsigned short sx, unsigned short sy, bitmap_t data, unsigned char scale ) { int tx, ty, tc, tsx, tsy; if ( scale == 1 ) { if ( _orientation == PORTRAIT ) { _lcd_pin_cs = LOW; setXY( x, y, x + sx - 1, y + sy - 1 ); for ( tc = 0; tc < ( sx * sy ); tc++ ) writeData( data[ tc ] ); _lcd_pin_cs = HIGH; } else { _lcd_pin_cs = LOW; for ( ty = 0; ty < sy; ty++ ) { setXY( x, y + ty, x + sx - 1, y + ty ); for ( tx = sx; tx >= 0; tx-- ) writeData( data[ ( ty * sx ) + tx ] ); } _lcd_pin_cs = HIGH; } } else { if ( _orientation == PORTRAIT ) { _lcd_pin_cs = LOW; for ( ty = 0; ty < sy; ty++ ) { setXY( x, y + ( ty * scale ), x + ( ( sx * scale ) - 1 ), y + ( ty * scale ) + scale ); for ( tsy = 0; tsy < scale; tsy++ ) for ( tx = 0; tx < sx; tx++ ) for ( tsx = 0; tsx < scale; tsx++ ) writeData( data[ ( ty * sx ) + tx ] ); } _lcd_pin_cs = HIGH; } else { _lcd_pin_cs = LOW; for ( ty = 0; ty < sy; ty++ ) { for ( tsy = 0; tsy < scale; tsy++ ) { setXY( x, y + ( ty * scale ) + tsy, x + ( ( sx * scale ) - 1 ), y + ( ty * scale ) + tsy ); for ( tx = sx; tx >= 0; tx-- ) for ( tsx = 0; tsx < scale; tsx++ ) writeData( data[ ( ty * sx ) + tx ] ); } } _lcd_pin_cs = HIGH; } } clearXY(); } void LCD::DrawBitmap( unsigned short x, unsigned short y, unsigned short sx, unsigned short sy, bitmap_t data, unsigned short deg, unsigned short rox, unsigned short roy ) { int tx, ty, newx, newy; double radian; radian = deg * 0.0175; if ( deg == 0 ) DrawBitmap( x, y, sx, sy, data ); else { _lcd_pin_cs = LOW; for ( ty = 0; ty < sy; ty++ ) for ( tx = 0; tx < sx; tx++ ) { newx = x + rox + ( ( ( tx - rox ) * cos( radian ) ) - ( ( ty - roy ) * sin( radian ) ) ); newy = y + roy + ( ( ( ty - roy ) * cos( radian ) ) + ( ( tx - rox ) * sin( radian ) ) ); setXY( newx, newy, newx, newy ); writeData( data[ ( ty * sx ) + tx ] ); } _lcd_pin_cs = HIGH; } clearXY(); } /* void LCD::writeCmd( unsigned short cmd ) { _lcd_pin_rs = LOW; _lcd_pin_cs = LOW; _lcd_port->write( cmd ); pulseLow( _lcd_pin_wr ); _lcd_pin_cs = HIGH; } */ /* void LCD::writeData( unsigned short data ) { _lcd_pin_rs = HIGH; _lcd_pin_cs = LOW; _lcd_port->write( data ); pulseLow( _lcd_pin_wr ); _lcd_pin_cs = HIGH; } */ inline void LCD::writeCmdData( unsigned short cmd, unsigned short data ) { writeCmd( cmd ); writeData( data ); } /* void LCD::setXY( uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2 ) { if ( _orientation == LANDSCAPE ) { swap( uint16_t, x1, y1 ) swap( uint16_t, x2, y2 ) y1 = _disp_height - y1; y2 = _disp_height - y2; swap( uint16_t, y1, y2 ) } writeCmdData( 0x44, ( x2 << 8 ) + x1 ); writeCmdData( 0x45, y1 ); writeCmdData( 0x46, y2 ); writeCmdData( 0x4e, x1 ); writeCmdData( 0x4f, y1 ); writeCmd( 0x22 ); } */ void LCD::clearXY() { if ( _orientation == PORTRAIT ) setXY( 0, 0, _disp_width, _disp_height ); else setXY( 0, 0, _disp_height, _disp_width ); } void LCD::drawHLine( unsigned short x, unsigned short y, unsigned short len, int color ) { unsigned short usedColor = color == -1 ? _background : color == -2 ? _foreground : ( unsigned short ) color; _lcd_pin_cs = LOW; setXY( x, y, x + len, y ); for ( int i = 0; i < len + 1; i++ ) writeData( usedColor ); _lcd_pin_cs = HIGH; clearXY(); } void LCD::drawVLine( unsigned short x, unsigned short y, unsigned short len, int color ) { unsigned short usedColor = color == -1 ? _background : color == -2 ? _foreground : ( unsigned short ) color; _lcd_pin_cs = LOW; setXY( x, y, x, y + len ); for ( int i = 0; i < len; i++ ) writeData( usedColor ); _lcd_pin_cs = HIGH; clearXY(); } void LCD::printChar( char c, unsigned short x, unsigned short y, int fgColor, int bgColor ) { uint8_t i, ch; uint16_t j; uint16_t temp; unsigned short usedColorFG = fgColor == -1 ? _background : fgColor == -2 ? _foreground : ( unsigned short ) fgColor; unsigned short usedColorBG = bgColor == -1 ? _background : bgColor == -2 ? _foreground : ( unsigned short ) bgColor; _lcd_pin_cs = LOW; if ( _orientation == PORTRAIT ) { setXY( x, y, x + _font.width - 1, y + _font.height - 1 ); temp = ( ( c - _font.offset ) * ( ( _font.width / 8 ) * _font.height ) ) + 4; for ( j = 0; j < ( ( _font.width / 8 ) * _font.height ); j++ ) { ch = _font.font[ temp ]; for ( i = 0; i < 8; i++ ) { if ( ( ch & ( 1 << ( 7 - i ) ) ) != 0 ) writeData( usedColorFG ); else writeData( usedColorBG ); } temp++; } } else { temp = ( ( c - _font.offset ) * ( ( _font.width / 8 ) * _font.height ) ) + 4; for ( j = 0; j < ( ( _font.width / 8 ) * _font.height ); j += ( _font.width / 8 ) ) { setXY( x, y + ( j / ( _font.width / 8 ) ), x + _font.width - 1, y + ( j / ( _font.width / 8 ) ) ); for ( int zz = ( _font.width / 8 ) - 1; zz >= 0; zz-- ) { ch = _font.font[ temp + zz ]; for ( i = 0; i < 8; i++ ) { if ( ( ch & ( 1 << i ) ) != 0 ) writeData( usedColorFG ); else writeData( usedColorBG ); } } temp += ( _font.width / 8 ); } } _lcd_pin_cs = HIGH; clearXY(); } void LCD::rotateChar( char c, unsigned short x, unsigned short y, int pos, int fgColor, int bgColor, unsigned short deg ) { uint8_t i, j, ch; uint16_t temp; int newx, newy; double radian; radian = deg * 0.0175; unsigned short usedColorFG = fgColor == -1 ? _background : fgColor == -2 ? _foreground : ( unsigned short ) fgColor; unsigned short usedColorBG = bgColor == -1 ? _background : bgColor == -2 ? _foreground : ( unsigned short ) bgColor; _lcd_pin_cs = LOW; temp = ( ( c - _font.offset ) * ( ( _font.width / 8 ) * _font.height ) ) + 4; for ( j = 0; j < _font.height; j++ ) { for ( int zz = 0; zz < ( _font.width / 8 ); zz++ ) { ch = _font.font[ temp + zz ]; for ( i = 0; i < 8; i++ ) { newx = x + ( ( ( i + ( zz * 8 ) + ( pos * _font.width ) ) * cos( radian ) ) - ( ( j ) * sin( radian ) ) ); newy = y + ( ( ( j ) * cos( radian ) ) + ( ( i + ( zz * 8 ) + ( pos * _font.width ) ) * sin( radian ) ) ); setXY( newx, newy, newx + 1, newy + 1 ); if ( ( ch & ( 1 << ( 7 - i ) ) ) != 0 ) writeData( usedColorFG ); else writeData( usedColorBG ); } } temp += ( _font.width / 8 ); } _lcd_pin_cs = HIGH; clearXY(); }