Robert Fischer / TFTLCD

Fork of TFTLCD with new support for SSD1963 ad HX8352-A controller.

Dependents:   TFTLCD_Fork_Test

Fork of TFTLCD by Todor Todorov

hx8352a.cpp@28:fe9a2e0ce659, 2014-05-30 (annotated)

Committer:
RobertFischer
Date:
Fri May 30 08:39:59 2014 +0000
Revision:
28:fe9a2e0ce659
First test of TFTLCD with new support for SSD1963 and HX8352-A display controller. Still some scrambled output

Who changed what in which revision?

UserRevisionLine numberNew contents of line
RobertFischer 28:fe9a2e0ce659 1 /*
RobertFischer 28:fe9a2e0ce659 2 * Copyright (C)2010-2012 Henning Karlsen. All right reserved.
RobertFischer 28:fe9a2e0ce659 3 * Copyright (C)2012 Todor Todorov.
RobertFischer 28:fe9a2e0ce659 4 *
RobertFischer 28:fe9a2e0ce659 5 * This library is free software; you can redistribute it and/or
RobertFischer 28:fe9a2e0ce659 6 * modify it under the terms of the GNU Lesser General Public
RobertFischer 28:fe9a2e0ce659 7 * License as published by the Free Software Foundation; either
RobertFischer 28:fe9a2e0ce659 8 * version 2.1 of the License, or (at your option) any later version.
RobertFischer 28:fe9a2e0ce659 9 *
RobertFischer 28:fe9a2e0ce659 10 * This library is distributed in the hope that it will be useful,
RobertFischer 28:fe9a2e0ce659 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
RobertFischer 28:fe9a2e0ce659 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
RobertFischer 28:fe9a2e0ce659 13 * Lesser General Public License for more details.
RobertFischer 28:fe9a2e0ce659 14 *
RobertFischer 28:fe9a2e0ce659 15 * You should have received a copy of the GNU Lesser General Public
RobertFischer 28:fe9a2e0ce659 16 * License along with this library; if not, write to:
RobertFischer 28:fe9a2e0ce659 17 *
RobertFischer 28:fe9a2e0ce659 18 * Free Software Foundation, Inc.
RobertFischer 28:fe9a2e0ce659 19 * 51 Franklin St, 5th Floor, Boston, MA 02110-1301, USA
RobertFischer 28:fe9a2e0ce659 20 *
RobertFischer 28:fe9a2e0ce659 21 *********************************************************************/
RobertFischer 28:fe9a2e0ce659 22 #include "hx8352a.h"
RobertFischer 28:fe9a2e0ce659 23 #include "helpers.h"
RobertFischer 28:fe9a2e0ce659 24
RobertFischer 28:fe9a2e0ce659 25 HX8352A_LCD::HX8352A_LCD( PinName CS, PinName RESET, PinName RS, PinName WR, BusOut* DATA_PORT, PinName BL, PinName RD, backlight_t blType, float defaultBackLightLevel )
RobertFischer 28:fe9a2e0ce659 26 : LCD( 240, 400, CS, RS, RESET, BL, blType, defaultBackLightLevel ), _lcd_pin_wr( WR )
RobertFischer 28:fe9a2e0ce659 27 {
RobertFischer 28:fe9a2e0ce659 28 _lcd_port = DATA_PORT;
RobertFischer 28:fe9a2e0ce659 29 if ( RD != NC ) _lcd_pin_rd = new DigitalOut( RD );
RobertFischer 28:fe9a2e0ce659 30 else _lcd_pin_rd = 0;
RobertFischer 28:fe9a2e0ce659 31 }
RobertFischer 28:fe9a2e0ce659 32
RobertFischer 28:fe9a2e0ce659 33 void HX8352A_LCD::Initialize( orientation_t orientation, colordepth_t colors )
RobertFischer 28:fe9a2e0ce659 34 {
RobertFischer 28:fe9a2e0ce659 35 _orientation = orientation;
RobertFischer 28:fe9a2e0ce659 36 _colorDepth = colors;
RobertFischer 28:fe9a2e0ce659 37
RobertFischer 28:fe9a2e0ce659 38 wait_ms( 100 );
RobertFischer 28:fe9a2e0ce659 39 _lcd_pin_reset = HIGH;
RobertFischer 28:fe9a2e0ce659 40 wait_ms( 50 );
RobertFischer 28:fe9a2e0ce659 41 _lcd_pin_reset = LOW;
RobertFischer 28:fe9a2e0ce659 42 wait_ms( 50 );
RobertFischer 28:fe9a2e0ce659 43 _lcd_pin_reset = HIGH;
RobertFischer 28:fe9a2e0ce659 44 _lcd_pin_cs = HIGH;
RobertFischer 28:fe9a2e0ce659 45 //_lcd_pin_rd = HIGH;
RobertFischer 28:fe9a2e0ce659 46 if ( _lcd_pin_bl != 0 )
RobertFischer 28:fe9a2e0ce659 47 *_lcd_pin_bl = HIGH;
RobertFischer 28:fe9a2e0ce659 48 else if ( _bl_pwm != 0 )
RobertFischer 28:fe9a2e0ce659 49 *_bl_pwm = _bl_pwm_default;
RobertFischer 28:fe9a2e0ce659 50 _lcd_pin_wr = HIGH;
RobertFischer 28:fe9a2e0ce659 51 wait_ms( 55 );
RobertFischer 28:fe9a2e0ce659 52
RobertFischer 28:fe9a2e0ce659 53 Activate();
RobertFischer 28:fe9a2e0ce659 54 Activate();
RobertFischer 28:fe9a2e0ce659 55 WriteCmdData( 0x83, 0x0002 ); //TESTM=1
RobertFischer 28:fe9a2e0ce659 56
RobertFischer 28:fe9a2e0ce659 57 WriteCmdData( 0x85, 0x0003 ); //VDC_SEL=011
RobertFischer 28:fe9a2e0ce659 58 WriteCmdData( 0x8B, 0x0001 );
RobertFischer 28:fe9a2e0ce659 59 WriteCmdData( 0x8C, 0x0093 ); //STBA[7]=1,STBA[5:4]=01,STBA[1:0]=11
RobertFischer 28:fe9a2e0ce659 60
RobertFischer 28:fe9a2e0ce659 61 WriteCmdData( 0x91, 0x0001 ); //DCDC_SYNC=1
RobertFischer 28:fe9a2e0ce659 62
RobertFischer 28:fe9a2e0ce659 63 WriteCmdData( 0x83, 0x0000 );
RobertFischer 28:fe9a2e0ce659 64 //WriteCmdData( 0x00, 0x0001 ); //TESTM=0
RobertFischer 28:fe9a2e0ce659 65
RobertFischer 28:fe9a2e0ce659 66 //Gamma Setting
RobertFischer 28:fe9a2e0ce659 67 WriteCmdData( 0x3E, 0x00B0);
RobertFischer 28:fe9a2e0ce659 68 WriteCmdData( 0x3F, 0x0003 );
RobertFischer 28:fe9a2e0ce659 69 WriteCmdData( 0x40, 0x0010 );
RobertFischer 28:fe9a2e0ce659 70 WriteCmdData( 0x41, 0x0056 );
RobertFischer 28:fe9a2e0ce659 71 WriteCmdData( 0x42, 0x0013 );
RobertFischer 28:fe9a2e0ce659 72 WriteCmdData( 0x43, 0x0046 );
RobertFischer 28:fe9a2e0ce659 73 WriteCmdData( 0x44, 0x0023 );
RobertFischer 28:fe9a2e0ce659 74 WriteCmdData( 0x45, 0x0076 );
RobertFischer 28:fe9a2e0ce659 75 WriteCmdData( 0x46, 0x0000 );
RobertFischer 28:fe9a2e0ce659 76 WriteCmdData( 0x47, 0x005E );
RobertFischer 28:fe9a2e0ce659 77 WriteCmdData( 0x48, 0x004F );
RobertFischer 28:fe9a2e0ce659 78 WriteCmdData( 0x49, 0x0040 );
RobertFischer 28:fe9a2e0ce659 79
RobertFischer 28:fe9a2e0ce659 80 //**********Power On sequence************
RobertFischer 28:fe9a2e0ce659 81 WriteCmdData( 0x17, 0x0091 );
RobertFischer 28:fe9a2e0ce659 82
RobertFischer 28:fe9a2e0ce659 83 WriteCmdData( 0x2B, 0x00F9 );
RobertFischer 28:fe9a2e0ce659 84 wait_ms( 15 );
RobertFischer 28:fe9a2e0ce659 85
RobertFischer 28:fe9a2e0ce659 86 WriteCmdData( 0x1B, 0x0014 );
RobertFischer 28:fe9a2e0ce659 87
RobertFischer 28:fe9a2e0ce659 88 WriteCmdData( 0x1A, 0x0011 );
RobertFischer 28:fe9a2e0ce659 89
RobertFischer 28:fe9a2e0ce659 90 WriteCmdData( 0x1C, 0x0006 );
RobertFischer 28:fe9a2e0ce659 91
RobertFischer 28:fe9a2e0ce659 92 WriteCmdData( 0x1F, 0x0042 );
RobertFischer 28:fe9a2e0ce659 93 wait_ms( 20 );
RobertFischer 28:fe9a2e0ce659 94
RobertFischer 28:fe9a2e0ce659 95 WriteCmdData( 0x19, 0x000A );
RobertFischer 28:fe9a2e0ce659 96
RobertFischer 28:fe9a2e0ce659 97 WriteCmdData( 0x19, 0x001A );
RobertFischer 28:fe9a2e0ce659 98 wait_ms( 40 );
RobertFischer 28:fe9a2e0ce659 99
RobertFischer 28:fe9a2e0ce659 100 WriteCmdData( 0x19, 0x0012 );
RobertFischer 28:fe9a2e0ce659 101 wait_ms( 40 );
RobertFischer 28:fe9a2e0ce659 102
RobertFischer 28:fe9a2e0ce659 103 WriteCmdData( 0x1E, 0x0027 );
RobertFischer 28:fe9a2e0ce659 104 wait_ms( 100 );
RobertFischer 28:fe9a2e0ce659 105
RobertFischer 28:fe9a2e0ce659 106 //**********DISPLAY ON SETTING***********
RobertFischer 28:fe9a2e0ce659 107
RobertFischer 28:fe9a2e0ce659 108 WriteCmdData( 0x24, 0x0060 );
RobertFischer 28:fe9a2e0ce659 109
RobertFischer 28:fe9a2e0ce659 110 WriteCmdData( 0x3D, 0x0040 );
RobertFischer 28:fe9a2e0ce659 111
RobertFischer 28:fe9a2e0ce659 112 WriteCmdData( 0x34, 0x0038 );
RobertFischer 28:fe9a2e0ce659 113
RobertFischer 28:fe9a2e0ce659 114 WriteCmdData( 0x35, 0x0038 );
RobertFischer 28:fe9a2e0ce659 115
RobertFischer 28:fe9a2e0ce659 116 WriteCmdData( 0x24, 0x0038 );
RobertFischer 28:fe9a2e0ce659 117 wait_ms( 40 );
RobertFischer 28:fe9a2e0ce659 118
RobertFischer 28:fe9a2e0ce659 119 WriteCmdData( 0x24, 0x003C );
RobertFischer 28:fe9a2e0ce659 120
RobertFischer 28:fe9a2e0ce659 121 //WriteCmdData( 0x16, 0x00B8 );
RobertFischer 28:fe9a2e0ce659 122
RobertFischer 28:fe9a2e0ce659 123 WriteCmdData( 0x01, 0x0006 );
RobertFischer 28:fe9a2e0ce659 124
RobertFischer 28:fe9a2e0ce659 125 WriteCmdData( 0x55, 0x0000 );
RobertFischer 28:fe9a2e0ce659 126
RobertFischer 28:fe9a2e0ce659 127 WriteCmdData( 0x02, 0x0000 );
RobertFischer 28:fe9a2e0ce659 128 WriteCmdData( 0x03, 0x0000 );
RobertFischer 28:fe9a2e0ce659 129 WriteCmdData( 0x04, 0x0000 );
RobertFischer 28:fe9a2e0ce659 130 WriteCmdData( 0x05, 0x00EF );
RobertFischer 28:fe9a2e0ce659 131
RobertFischer 28:fe9a2e0ce659 132 WriteCmdData( 0x06, 0x0000 );
RobertFischer 28:fe9a2e0ce659 133 WriteCmdData( 0x07, 0x0000 );
RobertFischer 28:fe9a2e0ce659 134 WriteCmdData( 0x08, 0x0001 );
RobertFischer 28:fe9a2e0ce659 135 WriteCmdData( 0x09, 0x008F );
RobertFischer 28:fe9a2e0ce659 136
RobertFischer 28:fe9a2e0ce659 137
RobertFischer 28:fe9a2e0ce659 138 WriteCmd( 0x16 );
RobertFischer 28:fe9a2e0ce659 139 switch ( _orientation )
RobertFischer 28:fe9a2e0ce659 140 {
RobertFischer 28:fe9a2e0ce659 141 case LANDSCAPE: WriteData( 0xA8 ); break;
RobertFischer 28:fe9a2e0ce659 142 case PORTRAIT_REV: WriteData( 0xDC ); break;
RobertFischer 28:fe9a2e0ce659 143 case LANDSCAPE_REV: WriteData( 0x6C ); break;
RobertFischer 28:fe9a2e0ce659 144 case PORTRAIT:
RobertFischer 28:fe9a2e0ce659 145 default: WriteData( 0x08 ); break;
RobertFischer 28:fe9a2e0ce659 146 }
RobertFischer 28:fe9a2e0ce659 147
RobertFischer 28:fe9a2e0ce659 148 WriteCmd( 0x22 );
RobertFischer 28:fe9a2e0ce659 149 wait_ms( 10 );
RobertFischer 28:fe9a2e0ce659 150
RobertFischer 28:fe9a2e0ce659 151 ClearXY();
RobertFischer 28:fe9a2e0ce659 152 Deactivate();
RobertFischer 28:fe9a2e0ce659 153 }
RobertFischer 28:fe9a2e0ce659 154
RobertFischer 28:fe9a2e0ce659 155 /*
RobertFischer 28:fe9a2e0ce659 156 void HX8352A_LCD::Sleep( void )
RobertFischer 28:fe9a2e0ce659 157 {
RobertFischer 28:fe9a2e0ce659 158 Activate();
RobertFischer 28:fe9a2e0ce659 159 WriteCmd( 0x28 );
RobertFischer 28:fe9a2e0ce659 160 wait_ms( 10 );
RobertFischer 28:fe9a2e0ce659 161 WriteCmd( 0x10 );
RobertFischer 28:fe9a2e0ce659 162 wait_ms( 125 );
RobertFischer 28:fe9a2e0ce659 163 LCD::Sleep();
RobertFischer 28:fe9a2e0ce659 164 Deactivate();
RobertFischer 28:fe9a2e0ce659 165 }
RobertFischer 28:fe9a2e0ce659 166
RobertFischer 28:fe9a2e0ce659 167 void HX8352A_LCD::WakeUp( void )
RobertFischer 28:fe9a2e0ce659 168 {
RobertFischer 28:fe9a2e0ce659 169 Activate();
RobertFischer 28:fe9a2e0ce659 170 WriteCmd( 0x29 );
RobertFischer 28:fe9a2e0ce659 171 wait_ms( 10 );
RobertFischer 28:fe9a2e0ce659 172 WriteCmd( 0x11 );
RobertFischer 28:fe9a2e0ce659 173 wait_ms( 125 );
RobertFischer 28:fe9a2e0ce659 174 LCD::WakeUp();
RobertFischer 28:fe9a2e0ce659 175 Deactivate();
RobertFischer 28:fe9a2e0ce659 176 }
RobertFischer 28:fe9a2e0ce659 177 */
RobertFischer 28:fe9a2e0ce659 178
RobertFischer 28:fe9a2e0ce659 179 void HX8352A_LCD::WriteCmd( unsigned short cmd )
RobertFischer 28:fe9a2e0ce659 180 {
RobertFischer 28:fe9a2e0ce659 181 _lcd_pin_rs = LOW;
RobertFischer 28:fe9a2e0ce659 182 _lcd_port->write( cmd );
RobertFischer 28:fe9a2e0ce659 183 pulseLow( _lcd_pin_wr );}
RobertFischer 28:fe9a2e0ce659 184
RobertFischer 28:fe9a2e0ce659 185 void HX8352A_LCD::WriteData( unsigned short data )
RobertFischer 28:fe9a2e0ce659 186 {
RobertFischer 28:fe9a2e0ce659 187 _lcd_pin_rs = HIGH;
RobertFischer 28:fe9a2e0ce659 188 _lcd_port->write( data );
RobertFischer 28:fe9a2e0ce659 189 pulseLow( _lcd_pin_wr );
RobertFischer 28:fe9a2e0ce659 190 }
RobertFischer 28:fe9a2e0ce659 191
RobertFischer 28:fe9a2e0ce659 192 void HX8352A_LCD::SetXY( unsigned short x1, unsigned short y1, unsigned short x2, unsigned short y2 )
RobertFischer 28:fe9a2e0ce659 193 {
RobertFischer 28:fe9a2e0ce659 194 switch ( _orientation ) {
RobertFischer 28:fe9a2e0ce659 195 case LANDSCAPE:
RobertFischer 28:fe9a2e0ce659 196 case LANDSCAPE_REV:
RobertFischer 28:fe9a2e0ce659 197 WriteCmdData( 0x02,x1>>8 );
RobertFischer 28:fe9a2e0ce659 198 WriteCmdData( 0x03,x1 );
RobertFischer 28:fe9a2e0ce659 199 WriteCmdData( 0x04,x2>>8 );
RobertFischer 28:fe9a2e0ce659 200 WriteCmdData( 0x05,x2 );
RobertFischer 28:fe9a2e0ce659 201 WriteCmdData( 0x06,y1>>8 );
RobertFischer 28:fe9a2e0ce659 202 WriteCmdData( 0x07,y1 );
RobertFischer 28:fe9a2e0ce659 203 WriteCmdData( 0x08,y2>>8 );
RobertFischer 28:fe9a2e0ce659 204 WriteCmdData( 0x09,y2 );
RobertFischer 28:fe9a2e0ce659 205 break;
RobertFischer 28:fe9a2e0ce659 206
RobertFischer 28:fe9a2e0ce659 207 case PORTRAIT_REV:
RobertFischer 28:fe9a2e0ce659 208 case PORTRAIT:
RobertFischer 28:fe9a2e0ce659 209 default:
RobertFischer 28:fe9a2e0ce659 210 WriteCmdData( 0x02,x1>>8 );
RobertFischer 28:fe9a2e0ce659 211 WriteCmdData( 0x03,x1 );
RobertFischer 28:fe9a2e0ce659 212 WriteCmdData( 0x04,x2>>8 );
RobertFischer 28:fe9a2e0ce659 213 WriteCmdData( 0x05,x2 );
RobertFischer 28:fe9a2e0ce659 214 WriteCmdData( 0x06,y1>>8 );
RobertFischer 28:fe9a2e0ce659 215 WriteCmdData( 0x07,y1 );
RobertFischer 28:fe9a2e0ce659 216 WriteCmdData( 0x08,y2>>8 );
RobertFischer 28:fe9a2e0ce659 217 WriteCmdData( 0x09,y2 );
RobertFischer 28:fe9a2e0ce659 218 break;
RobertFischer 28:fe9a2e0ce659 219 }
RobertFischer 28:fe9a2e0ce659 220 WriteCmd( 0x22 ); // RAMWR
RobertFischer 28:fe9a2e0ce659 221 }
RobertFischer 28:fe9a2e0ce659 222
RobertFischer 28:fe9a2e0ce659 223 void HX8352A_LCD::SetPixelColor( unsigned int color, colordepth_t mode )
RobertFischer 28:fe9a2e0ce659 224 {
RobertFischer 28:fe9a2e0ce659 225 unsigned char r = 0, g = 0, b = 0;
RobertFischer 28:fe9a2e0ce659 226 unsigned short clr;
RobertFischer 28:fe9a2e0ce659 227 if ( _colorDepth == RGB16 )
RobertFischer 28:fe9a2e0ce659 228 {
RobertFischer 28:fe9a2e0ce659 229 switch ( mode )
RobertFischer 28:fe9a2e0ce659 230 {
RobertFischer 28:fe9a2e0ce659 231 case RGB16:
RobertFischer 28:fe9a2e0ce659 232 WriteData( color & 0xFFFF );
RobertFischer 28:fe9a2e0ce659 233 break;
RobertFischer 28:fe9a2e0ce659 234 case RGB18:
RobertFischer 28:fe9a2e0ce659 235 r = ( color >> 10 ) & 0xF8;
RobertFischer 28:fe9a2e0ce659 236 g = ( color >> 4 ) & 0xFC;
RobertFischer 28:fe9a2e0ce659 237 b = ( color >> 1 ) & 0x1F;
RobertFischer 28:fe9a2e0ce659 238 clr = ( ( r | ( g >> 5 ) ) << 8 ) | ( ( g << 3 ) | b );
RobertFischer 28:fe9a2e0ce659 239 WriteData( clr );
RobertFischer 28:fe9a2e0ce659 240 break;
RobertFischer 28:fe9a2e0ce659 241 case RGB24:
RobertFischer 28:fe9a2e0ce659 242 r = ( color >> 16 ) & 0xF8;
RobertFischer 28:fe9a2e0ce659 243 g = ( color >> 8 ) & 0xFC;
RobertFischer 28:fe9a2e0ce659 244 b = color & 0xF8;
RobertFischer 28:fe9a2e0ce659 245 clr = ( ( r | ( g >> 5 ) ) << 8 ) | ( ( g << 3 ) | ( b >> 3 ) );
RobertFischer 28:fe9a2e0ce659 246 WriteData( clr );
RobertFischer 28:fe9a2e0ce659 247 break;
RobertFischer 28:fe9a2e0ce659 248 }
RobertFischer 28:fe9a2e0ce659 249 }
RobertFischer 28:fe9a2e0ce659 250 else if ( _colorDepth == RGB18 )
RobertFischer 28:fe9a2e0ce659 251 {
RobertFischer 28:fe9a2e0ce659 252 switch ( mode )
RobertFischer 28:fe9a2e0ce659 253 {
RobertFischer 28:fe9a2e0ce659 254 case RGB16:
RobertFischer 28:fe9a2e0ce659 255 r = ( ( color >> 8 ) & 0xF8 ) | ( ( color & 0x8000 ) >> 13 );
RobertFischer 28:fe9a2e0ce659 256 g = ( color >> 3 ) & 0xFC;
RobertFischer 28:fe9a2e0ce659 257 b = ( ( color << 3 ) & 0xFC ) | ( ( color >> 3 ) & 0x01 );
RobertFischer 28:fe9a2e0ce659 258 break;
RobertFischer 28:fe9a2e0ce659 259 case RGB18:
RobertFischer 28:fe9a2e0ce659 260 b = ( color << 2 ) & 0xFC;
RobertFischer 28:fe9a2e0ce659 261 g = ( color >> 4 ) & 0xFC;
RobertFischer 28:fe9a2e0ce659 262 r = ( color >> 10 ) & 0xFC;
RobertFischer 28:fe9a2e0ce659 263 break;
RobertFischer 28:fe9a2e0ce659 264 case RGB24:
RobertFischer 28:fe9a2e0ce659 265 r = ( color >> 16 ) & 0xFC;
RobertFischer 28:fe9a2e0ce659 266 g = ( color >> 8 ) & 0xFC;
RobertFischer 28:fe9a2e0ce659 267 b = color & 0xFC;
RobertFischer 28:fe9a2e0ce659 268 break;
RobertFischer 28:fe9a2e0ce659 269 }
RobertFischer 28:fe9a2e0ce659 270 WriteData( r );
RobertFischer 28:fe9a2e0ce659 271 WriteData( g );
RobertFischer 28:fe9a2e0ce659 272 WriteData( b );
RobertFischer 28:fe9a2e0ce659 273 }
RobertFischer 28:fe9a2e0ce659 274 }
RobertFischer 28:fe9a2e0ce659 275