TFTLCD with FastIO
Fork of TFTLCD by
ssd1289.cpp
- Committer:
- ttodorov
- Date:
- 2012-12-21
- Revision:
- 20:4bdca8d8dadc
- Parent:
- 18:b934d95cc380
- Child:
- 22:4c169297f374
File content as of revision 20:4bdca8d8dadc:
/* * 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 "ssd1289.h" #include "helpers.h" SSD1289_LCD::SSD1289_LCD( PinName CS, PinName RESET, PinName RS, PinName WR, BusOut* DATA_PORT, PinName BL, PinName RD ) : LCD( 240, 320, CS, RS, RESET ), _lcd_pin_wr( WR ) { _lcd_port = DATA_PORT; if ( BL != NC ) _lcd_pin_bl = new DigitalOut( BL ); else _lcd_pin_bl = 0; if ( RD != NC ) _lcd_pin_rd = new DigitalOut( RD ); else _lcd_pin_rd = 0; } void SSD1289_LCD::Initialize( orientation_t orientation, colordepth_t colors ) { _orientation = orientation; _colorDepth = colors; _lcd_pin_reset = HIGH; wait_ms( 5 ); _lcd_pin_reset = LOW; wait_ms( 15 ); _lcd_pin_reset = HIGH; _lcd_pin_cs = HIGH; if ( _lcd_pin_bl != 0 ) *_lcd_pin_bl = HIGH; if ( _lcd_pin_rd != 0 ) *_lcd_pin_rd = HIGH; _lcd_pin_wr = HIGH; wait_ms( 15 ); Activate(); WriteCmdData( 0x00, 0x0001 ); // oscillator: 1 = on, 0 = off wait_ms( 1 ); WriteCmdData( 0x03, 0xA8A4 ); // power control wait_ms( 1 ); WriteCmdData( 0x0C, 0x0000 ); // power control 2 wait_ms( 1 ); WriteCmdData( 0x0D, 0x080C ); // power control 3 wait_ms( 1 ); WriteCmdData( 0x0E, 0x2B00 ); // power control 4 wait_ms( 1 ); WriteCmdData( 0x1E, 0x00B7 ); // power control 5 wait_ms( 1 ); WriteCmdData( 0x02, 0x0600 ); // driving waveform control wait_ms( 1 ); WriteCmdData( 0x10, 0x0000 ); // sleep mode: 0 = exit, 1 = enter wait_ms( 1 ); if ( _colorDepth == RGB16 ) { switch ( _orientation ) { case LANDSCAPE: // works WriteCmdData( 0x01, 0x293F ); // driver output control wait_ms( 1 ); WriteCmdData( 0x11, 0x6078 ); // entry mode break; case PORTRAIT_REV: // works WriteCmdData( 0x01, 0x693F ); // driver output control wait_ms( 1 ); WriteCmdData( 0x11, 0x6070 ); // entry mode break; case LANDSCAPE_REV: // works WriteCmdData( 0x01, 0x6B3F ); // driver output control wait_ms( 1 ); WriteCmdData( 0x11, 0x6078 ); // entry mode break; case PORTRAIT: // works default: WriteCmdData( 0x01, 0x2B3F ); // driver output control wait_ms( 1 ); WriteCmdData( 0x11, 0x6070 ); // entry mode break; } } else if ( _colorDepth == RGB18 ) { switch ( _orientation ) { case LANDSCAPE: // works WriteCmdData( 0x01, 0x293F ); // driver output control wait_ms( 1 ); WriteCmdData( 0x11, 0x4078 ); // entry mode break; case PORTRAIT_REV: // works WriteCmdData( 0x01, 0x693F ); // driver output control wait_ms( 1 ); WriteCmdData( 0x11, 0x4070 ); // entry mode break; case LANDSCAPE_REV: // works WriteCmdData( 0x01, 0x6B3F ); // driver output control wait_ms( 1 ); WriteCmdData( 0x11, 0x4078 ); // entry mode break; case PORTRAIT: // works default: WriteCmdData( 0x01, 0x2B3F ); // driver output control wait_ms( 1 ); WriteCmdData( 0x11, 0x4070 ); // entry mode break; } } wait_ms( 1 ); WriteCmdData( 0x05, 0x0000 ); // compare register wait_ms( 1 ); WriteCmdData( 0x06, 0x0000 ); // compare register wait_ms( 1 ); WriteCmdData( 0x16, 0xEF1C ); // horizontal porch wait_ms( 1 ); WriteCmdData( 0x17, 0x0003 ); // vertical porch wait_ms( 1 ); WriteCmdData( 0x07, 0x0233 ); // display control wait_ms( 1 ); WriteCmdData( 0x0B, 0x0000 ); // frame cycle control wait_ms( 1 ); WriteCmdData( 0x0F, 0x0000 ); // gate scan position wait_ms( 1 ); WriteCmdData( 0x41, 0x0000 ); // vertical scroll control wait_ms( 1 ); WriteCmdData( 0x42, 0x0000 ); // vertical scroll control wait_ms( 1 ); WriteCmdData( 0x48, 0x0000 ); // 1st screen driving position wait_ms( 1 ); WriteCmdData( 0x49, 0x013F ); // 1st screen driving position wait_ms( 1 ); WriteCmdData( 0x4A, 0x0000 ); // 2nd screen driving position wait_ms( 1 ); WriteCmdData( 0x4B, 0x0000 ); // 2nd screen driving position wait_ms( 1 ); WriteCmdData( 0x44, 0xEF00 ); // horizontal ram address position wait_ms( 1 ); WriteCmdData( 0x45, 0x0000 ); // vertical ram address position wait_ms( 1 ); WriteCmdData( 0x46, 0x013F ); // vertical ram address position wait_ms( 1 ); WriteCmdData( 0x30, 0x0707 ); // gamma control wait_ms( 1 ); WriteCmdData( 0x31, 0x0204 ); // gamma control wait_ms( 1 ); WriteCmdData( 0x32, 0x0204 ); // gamma control wait_ms( 1 ); WriteCmdData( 0x33, 0x0502 ); // gamma control wait_ms( 1 ); WriteCmdData( 0x34, 0x0507 ); // gamma control wait_ms( 1 ); WriteCmdData( 0x35, 0x0204 ); // gamma control wait_ms( 1 ); WriteCmdData( 0x36, 0x0204 ); // gamma control wait_ms( 1 ); WriteCmdData( 0x37, 0x0502 ); // gamma control wait_ms( 1 ); WriteCmdData( 0x3A, 0x0302 ); // gamma control wait_ms( 1 ); WriteCmdData( 0x3B, 0x0302 ); // gamma control wait_ms( 1 ); WriteCmdData( 0x23, 0x0000 ); // GRAM write mask for red and green pins wait_ms( 1 ); WriteCmdData( 0x24, 0x0000 ); // GRAM write mask for blue pins wait_ms( 1 ); WriteCmdData( 0x25, 0x8000 ); // frame frequency control wait_ms( 1 ); WriteCmdData( 0x4e, 0x0000 ); // ram address set wait_ms( 1 ); WriteCmdData( 0x4f, 0x0000 ); // ram address set wait_ms( 1 ); WriteCmd( 0x22 ); // write GRAM Deactivate(); } void SSD1289_LCD::Sleep( void ) { WriteCmdData( 0x10, 0x0001 ); // sleep mode: 0 = exit, 1 = enter if ( _lcd_pin_bl != 0 ) *_lcd_pin_bl = LOW; } void SSD1289_LCD::WakeUp( void ) { WriteCmdData( 0x10, 0x0000 ); // sleep mode: 0 = exit, 1 = enter if ( _lcd_pin_bl != 0 ) *_lcd_pin_bl = HIGH; } void SSD1289_LCD::WriteCmd( unsigned short cmd ) { _lcd_pin_rs = LOW; _lcd_port->write( cmd ); pulseLow( _lcd_pin_wr ); } void SSD1289_LCD::WriteData( unsigned short data ) { _lcd_pin_rs = HIGH; _lcd_port->write( data ); pulseLow( _lcd_pin_wr ); } void SSD1289_LCD::SetXY( unsigned short x1, unsigned short y1, unsigned short x2, unsigned short y2 ) { if ( _orientation == PORTRAIT || _orientation == PORTRAIT_REV ) { WriteCmdData( 0x44, ( x2 << 8 ) + x1 ); WriteCmdData( 0x45, y1 ); WriteCmdData( 0x46, y2 ); WriteCmdData( 0x4e, x1 ); WriteCmdData( 0x4f, y1 ); } else { WriteCmdData( 0x44, ( y2 << 8 ) + y1 ); WriteCmdData( 0x45, x1 ); WriteCmdData( 0x46, x2 ); WriteCmdData( 0x4e, y1 ); WriteCmdData( 0x4f, x1 ); } WriteCmd( 0x22 ); } void SSD1289_LCD::SetPixelColor( unsigned int color, colordepth_t mode ) { unsigned char r, g, b; unsigned short clr; if ( _colorDepth == RGB16 ) { switch ( mode ) { case RGB16: WriteData( color & 0xFFFF ); break; case RGB18: r = ( color >> 10 ) & 0xF8; g = ( color >> 4 ) & 0xFC; b = ( color >> 1 ) & 0x1F; clr = ( ( r | ( g >> 5 ) ) << 8 ) | ( ( g << 3 ) | b ); WriteData( clr ); break; case RGB24: r = ( color >> 16 ) & 0xF8; g = ( color >> 8 ) & 0xFC; b = color & 0xF8; clr = ( ( r | ( g >> 5 ) ) << 8 ) | ( ( g << 3 ) | ( b >> 3 ) ); WriteData( clr ); break; } } else if ( _colorDepth == RGB18 ) { switch ( mode ) { case RGB16: r = ( ( color >> 8 ) & 0xF8 ) | ( ( color & 0x8000 ) >> 13 ); g = ( color >> 3 ) & 0xFC; b = ( ( color << 3 ) & 0xFC ) | ( ( color >> 3 ) & 0x01 ); WriteData( ( r << 8 ) | g ); WriteData( b ); break; case RGB18: b = ( color << 2 ) & 0xFC; g = ( color >> 4 ) & 0xFC; r = ( color >> 10 ) & 0xFC; WriteData( ( r << 8 ) | g ); WriteData( b ); break; case RGB24: r = ( color >> 16 ) & 0xFC; g = ( color >> 8 ) & 0xFC; b = color & 0xFC; WriteData( ( r << 8 ) | g ); WriteData( b ); break; } } }