madhu sudhana / Mbed OS newTFTLCD_

1.44 tft lcd display

Dependencies:   TFT_fonts mbed-os

Fork of newTFTLCD by madhu sudhana

ssd1289.cpp@15:af3cd35886fb, 2012-12-11 (annotated)

Committer:
ttodorov
Date:
Tue Dec 11 23:42:47 2012 +0000
Revision:
15:af3cd35886fb
Parent:
12:d0978272a340
Child:
16:4ccc2fa2cfec
- started rework of the SSD1289 driver to allow HW rotation of the display and 18-bit color mode

Who changed what in which revision?

UserRevisionLine numberNew contents of line
ttodorov 0:881ff0b71102 1 /*
ttodorov 0:881ff0b71102 2 * Copyright (C)2010-2012 Henning Karlsen. All right reserved.
ttodorov 0:881ff0b71102 3 * Copyright (C)2012 Todor Todorov.
ttodorov 0:881ff0b71102 4 *
ttodorov 0:881ff0b71102 5 * This library is free software; you can redistribute it and/or
ttodorov 0:881ff0b71102 6 * modify it under the terms of the GNU Lesser General Public
ttodorov 0:881ff0b71102 7 * License as published by the Free Software Foundation; either
ttodorov 0:881ff0b71102 8 * version 2.1 of the License, or (at your option) any later version.
ttodorov 0:881ff0b71102 9 *
ttodorov 0:881ff0b71102 10 * This library is distributed in the hope that it will be useful,
ttodorov 0:881ff0b71102 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
ttodorov 0:881ff0b71102 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
ttodorov 0:881ff0b71102 13 * Lesser General Public License for more details.
ttodorov 0:881ff0b71102 14 *
ttodorov 0:881ff0b71102 15 * You should have received a copy of the GNU Lesser General Public
ttodorov 0:881ff0b71102 16 * License along with this library; if not, write to:
ttodorov 0:881ff0b71102 17 *
ttodorov 0:881ff0b71102 18 * Free Software Foundation, Inc.
ttodorov 0:881ff0b71102 19 * 51 Franklin St, 5th Floor, Boston, MA 02110-1301, USA
ttodorov 0:881ff0b71102 20 *
ttodorov 0:881ff0b71102 21 *********************************************************************/
ttodorov 3:64a5b67d5b51 22 #include "ssd1289.h"
ttodorov 3:64a5b67d5b51 23 #include "helpers.h"
ttodorov 0:881ff0b71102 24
ttodorov 4:3ac4239f6c9c 25 SSD1289_LCD::SSD1289_LCD( PinName CS, PinName RESET, PinName RS, PinName WR, BusOut* DATA_PORT, PinName BL, PinName RD )
ttodorov 4:3ac4239f6c9c 26 : LCD( 240, 320, CS, RS, RESET ), _lcd_pin_wr( WR )
ttodorov 0:881ff0b71102 27 {
ttodorov 0:881ff0b71102 28 _lcd_port = DATA_PORT;
ttodorov 4:3ac4239f6c9c 29 if ( BL != NC ) _lcd_pin_bl = new DigitalOut( BL );
ttodorov 4:3ac4239f6c9c 30 else _lcd_pin_bl = 0;
ttodorov 4:3ac4239f6c9c 31 if ( RD != NC ) _lcd_pin_rd = new DigitalOut( RD );
ttodorov 4:3ac4239f6c9c 32 else _lcd_pin_rd = 0;
ttodorov 0:881ff0b71102 33 }
ttodorov 0:881ff0b71102 34
ttodorov 12:d0978272a340 35 void SSD1289_LCD::Initialize( orientation_t orientation, colordepth_t colors )
ttodorov 0:881ff0b71102 36 {
ttodorov 0:881ff0b71102 37 _orientation = orientation;
ttodorov 15:af3cd35886fb 38 _colorDepth = colors;
ttodorov 0:881ff0b71102 39
ttodorov 0:881ff0b71102 40 _lcd_pin_reset = HIGH;
ttodorov 0:881ff0b71102 41 wait_ms( 5 );
ttodorov 0:881ff0b71102 42 _lcd_pin_reset = LOW;
ttodorov 0:881ff0b71102 43 wait_ms( 15 );
ttodorov 0:881ff0b71102 44 _lcd_pin_reset = HIGH;
ttodorov 0:881ff0b71102 45 _lcd_pin_cs = HIGH;
ttodorov 4:3ac4239f6c9c 46 if ( _lcd_pin_bl != 0 )
ttodorov 4:3ac4239f6c9c 47 *_lcd_pin_bl = HIGH;
ttodorov 0:881ff0b71102 48 if ( _lcd_pin_rd != 0 )
ttodorov 0:881ff0b71102 49 *_lcd_pin_rd = HIGH;
ttodorov 0:881ff0b71102 50 _lcd_pin_wr = HIGH;
ttodorov 0:881ff0b71102 51 wait_ms( 15 );
ttodorov 0:881ff0b71102 52
ttodorov 4:3ac4239f6c9c 53 Activate();
ttodorov 15:af3cd35886fb 54 WriteCmdData( 0x00, 0x0001 ); // oscillator: 1 = on, 0 = off
ttodorov 15:af3cd35886fb 55 wait_ms( 1 );
ttodorov 15:af3cd35886fb 56 WriteCmdData( 0x03, 0xA8A4 ); // power control
ttodorov 15:af3cd35886fb 57 wait_ms( 1 );
ttodorov 15:af3cd35886fb 58 WriteCmdData( 0x0C, 0x0000 ); // power control 2
ttodorov 15:af3cd35886fb 59 wait_ms( 1 );
ttodorov 15:af3cd35886fb 60 WriteCmdData( 0x0D, 0x080C ); // power control 3
ttodorov 15:af3cd35886fb 61 wait_ms( 1 );
ttodorov 15:af3cd35886fb 62 WriteCmdData( 0x0E, 0x2B00 ); // power control 4
ttodorov 15:af3cd35886fb 63 wait_ms( 1 );
ttodorov 15:af3cd35886fb 64 WriteCmdData( 0x1E, 0x00B7 ); // power control 5
ttodorov 15:af3cd35886fb 65 wait_ms( 1 );
ttodorov 15:af3cd35886fb 66 WriteCmdData( 0x01, 0x2B3F ); // driver output control
ttodorov 15:af3cd35886fb 67 wait_ms( 1 );
ttodorov 15:af3cd35886fb 68 WriteCmdData( 0x02, 0x0600 ); // driving waveform control
ttodorov 15:af3cd35886fb 69 wait_ms( 1 );
ttodorov 15:af3cd35886fb 70 WriteCmdData( 0x10, 0x0000 ); // sleep mode: 0 = exit, 1 = enter
ttodorov 15:af3cd35886fb 71 wait_ms( 1 );
ttodorov 15:af3cd35886fb 72 if ( _colorDepth == RGB16 )
ttodorov 15:af3cd35886fb 73 {
ttodorov 15:af3cd35886fb 74 switch ( _orientation )
ttodorov 15:af3cd35886fb 75 {
ttodorov 15:af3cd35886fb 76 case LANDSCAPE:
ttodorov 15:af3cd35886fb 77 WriteCmdData( 0x11, 0x6098 ); // entry mode
ttodorov 15:af3cd35886fb 78 break;
ttodorov 15:af3cd35886fb 79 case PORTRAIT_REV:
ttodorov 15:af3cd35886fb 80 WriteCmdData( 0x11, 0x6080 ); // entry mode
ttodorov 15:af3cd35886fb 81 break;
ttodorov 15:af3cd35886fb 82 case LANDSCAPE_REV:
ttodorov 15:af3cd35886fb 83 WriteCmdData( 0x11, 0x60A8 ); // entry mode
ttodorov 15:af3cd35886fb 84 break;
ttodorov 15:af3cd35886fb 85 case PORTRAIT:
ttodorov 15:af3cd35886fb 86 default:
ttodorov 15:af3cd35886fb 87 WriteCmdData( 0x11, 0x60B0 ); // entry mode
ttodorov 15:af3cd35886fb 88 break;
ttodorov 15:af3cd35886fb 89 }
ttodorov 15:af3cd35886fb 90 }
ttodorov 15:af3cd35886fb 91 else if ( _colorDepth == RGB18 )
ttodorov 15:af3cd35886fb 92 {
ttodorov 15:af3cd35886fb 93 switch ( _orientation )
ttodorov 15:af3cd35886fb 94 {
ttodorov 15:af3cd35886fb 95 case LANDSCAPE:
ttodorov 15:af3cd35886fb 96 WriteCmdData( 0x11, 0x4098 ); // entry mode
ttodorov 15:af3cd35886fb 97 break;
ttodorov 15:af3cd35886fb 98 case PORTRAIT_REV:
ttodorov 15:af3cd35886fb 99 WriteCmdData( 0x11, 0x4080 ); // entry mode
ttodorov 15:af3cd35886fb 100 break;
ttodorov 15:af3cd35886fb 101 case LANDSCAPE_REV:
ttodorov 15:af3cd35886fb 102 WriteCmdData( 0x11, 0x40A8 ); // entry mode
ttodorov 15:af3cd35886fb 103 break;
ttodorov 15:af3cd35886fb 104 case PORTRAIT:
ttodorov 15:af3cd35886fb 105 default:
ttodorov 15:af3cd35886fb 106 WriteCmdData( 0x11, 0x40B0 ); // entry mode
ttodorov 15:af3cd35886fb 107 break;
ttodorov 15:af3cd35886fb 108 }
ttodorov 15:af3cd35886fb 109 }
ttodorov 15:af3cd35886fb 110 wait_ms( 1 );
ttodorov 15:af3cd35886fb 111 WriteCmdData( 0x05, 0x0000 ); // compare register
ttodorov 15:af3cd35886fb 112 wait_ms( 1 );
ttodorov 15:af3cd35886fb 113 WriteCmdData( 0x06, 0x0000 ); // compare register
ttodorov 15:af3cd35886fb 114 wait_ms( 1 );
ttodorov 15:af3cd35886fb 115 WriteCmdData( 0x16, 0xEF1C ); // horizontal porch
ttodorov 15:af3cd35886fb 116 wait_ms( 1 );
ttodorov 15:af3cd35886fb 117 WriteCmdData( 0x17, 0x0003 ); // vertical porch
ttodorov 15:af3cd35886fb 118 wait_ms( 1 );
ttodorov 15:af3cd35886fb 119 WriteCmdData( 0x07, 0x0233 ); // display control
ttodorov 15:af3cd35886fb 120 wait_ms( 1 );
ttodorov 15:af3cd35886fb 121 WriteCmdData( 0x0B, 0x0000 ); // frame cycle control
ttodorov 15:af3cd35886fb 122 wait_ms( 1 );
ttodorov 15:af3cd35886fb 123 WriteCmdData( 0x0F, 0x0000 ); // gate scan position
ttodorov 15:af3cd35886fb 124 wait_ms( 1 );
ttodorov 15:af3cd35886fb 125 WriteCmdData( 0x41, 0x0000 ); // vertical scroll control
ttodorov 15:af3cd35886fb 126 wait_ms( 1 );
ttodorov 15:af3cd35886fb 127 WriteCmdData( 0x42, 0x0000 ); // vertical scroll control
ttodorov 15:af3cd35886fb 128 wait_ms( 1 );
ttodorov 15:af3cd35886fb 129 WriteCmdData( 0x48, 0x0000 ); // 1st screen driving position
ttodorov 15:af3cd35886fb 130 wait_ms( 1 );
ttodorov 15:af3cd35886fb 131 WriteCmdData( 0x49, 0x013F ); // 1st screen driving position
ttodorov 15:af3cd35886fb 132 wait_ms( 1 );
ttodorov 15:af3cd35886fb 133 WriteCmdData( 0x4A, 0x0000 ); // 2nd screen driving position
ttodorov 15:af3cd35886fb 134 wait_ms( 1 );
ttodorov 15:af3cd35886fb 135 WriteCmdData( 0x4B, 0x0000 ); // 2nd screen driving position
ttodorov 15:af3cd35886fb 136 wait_ms( 1 );
ttodorov 15:af3cd35886fb 137 WriteCmdData( 0x44, 0xEF00 ); // horizontal ram address position
ttodorov 15:af3cd35886fb 138 wait_ms( 1 );
ttodorov 15:af3cd35886fb 139 WriteCmdData( 0x45, 0x0000 ); // vertical ram address position
ttodorov 15:af3cd35886fb 140 wait_ms( 1 );
ttodorov 15:af3cd35886fb 141 WriteCmdData( 0x46, 0x013F ); // vertical ram address position
ttodorov 15:af3cd35886fb 142 wait_ms( 1 );
ttodorov 15:af3cd35886fb 143 WriteCmdData( 0x30, 0x0707 ); // gamma control
ttodorov 15:af3cd35886fb 144 wait_ms( 1 );
ttodorov 15:af3cd35886fb 145 WriteCmdData( 0x31, 0x0204 ); // gamma control
ttodorov 15:af3cd35886fb 146 wait_ms( 1 );
ttodorov 15:af3cd35886fb 147 WriteCmdData( 0x32, 0x0204 ); // gamma control
ttodorov 15:af3cd35886fb 148 wait_ms( 1 );
ttodorov 15:af3cd35886fb 149 WriteCmdData( 0x33, 0x0502 ); // gamma control
ttodorov 15:af3cd35886fb 150 wait_ms( 1 );
ttodorov 15:af3cd35886fb 151 WriteCmdData( 0x34, 0x0507 ); // gamma control
ttodorov 15:af3cd35886fb 152 wait_ms( 1 );
ttodorov 15:af3cd35886fb 153 WriteCmdData( 0x35, 0x0204 ); // gamma control
ttodorov 15:af3cd35886fb 154 wait_ms( 1 );
ttodorov 15:af3cd35886fb 155 WriteCmdData( 0x36, 0x0204 ); // gamma control
ttodorov 15:af3cd35886fb 156 wait_ms( 1 );
ttodorov 15:af3cd35886fb 157 WriteCmdData( 0x37, 0x0502 ); // gamma control
ttodorov 15:af3cd35886fb 158 wait_ms( 1 );
ttodorov 15:af3cd35886fb 159 WriteCmdData( 0x3A, 0x0302 ); // gamma control
ttodorov 15:af3cd35886fb 160 wait_ms( 1 );
ttodorov 15:af3cd35886fb 161 WriteCmdData( 0x3B, 0x0302 ); // gamma control
ttodorov 15:af3cd35886fb 162 wait_ms( 1 );
ttodorov 15:af3cd35886fb 163 WriteCmdData( 0x23, 0x0000 ); // GRAM write mask for red and green pins
ttodorov 15:af3cd35886fb 164 wait_ms( 1 );
ttodorov 15:af3cd35886fb 165 WriteCmdData( 0x24, 0x0000 ); // GRAM write mask for blue pins
ttodorov 15:af3cd35886fb 166 wait_ms( 1 );
ttodorov 15:af3cd35886fb 167 WriteCmdData( 0x25, 0x8000 ); // frame frequency control
ttodorov 15:af3cd35886fb 168 wait_ms( 1 );
ttodorov 15:af3cd35886fb 169 WriteCmdData( 0x4e, 0x0000 ); // ram address set
ttodorov 15:af3cd35886fb 170 wait_ms( 1 );
ttodorov 15:af3cd35886fb 171 WriteCmdData( 0x4f, 0x0000 ); // ram address set
ttodorov 15:af3cd35886fb 172 wait_ms( 1 );
ttodorov 15:af3cd35886fb 173 WriteCmd( 0x22 ); // write GRAM
ttodorov 4:3ac4239f6c9c 174 Deactivate();
ttodorov 0:881ff0b71102 175 }
ttodorov 0:881ff0b71102 176
ttodorov 4:3ac4239f6c9c 177 void SSD1289_LCD::Sleep( void )
ttodorov 0:881ff0b71102 178 {
ttodorov 4:3ac4239f6c9c 179 // TODO: figure out if the SSD1289 controller has sleep and wakeup commands
ttodorov 4:3ac4239f6c9c 180 if ( _lcd_pin_bl != 0 )
ttodorov 4:3ac4239f6c9c 181 *_lcd_pin_bl = LOW;
ttodorov 0:881ff0b71102 182 }
ttodorov 0:881ff0b71102 183
ttodorov 4:3ac4239f6c9c 184 void SSD1289_LCD::WakeUp( void )
ttodorov 4:3ac4239f6c9c 185 {
ttodorov 4:3ac4239f6c9c 186 // TODO: figure out if the SSD1289 controller has sleep and wakeup commands
ttodorov 4:3ac4239f6c9c 187 if ( _lcd_pin_bl != 0 )
ttodorov 4:3ac4239f6c9c 188 *_lcd_pin_bl = HIGH;
ttodorov 4:3ac4239f6c9c 189 }
ttodorov 4:3ac4239f6c9c 190
ttodorov 4:3ac4239f6c9c 191 void SSD1289_LCD::WriteCmd( unsigned short cmd )
ttodorov 4:3ac4239f6c9c 192 {
ttodorov 4:3ac4239f6c9c 193 _lcd_pin_rs = LOW;
ttodorov 4:3ac4239f6c9c 194 _lcd_port->write( cmd );
ttodorov 4:3ac4239f6c9c 195 pulseLow( _lcd_pin_wr );
ttodorov 4:3ac4239f6c9c 196 }
ttodorov 4:3ac4239f6c9c 197
ttodorov 4:3ac4239f6c9c 198 void SSD1289_LCD::WriteData( unsigned short data )
ttodorov 0:881ff0b71102 199 {
ttodorov 0:881ff0b71102 200 _lcd_pin_rs = HIGH;
ttodorov 0:881ff0b71102 201 _lcd_port->write( data );
ttodorov 0:881ff0b71102 202 pulseLow( _lcd_pin_wr );
ttodorov 0:881ff0b71102 203 }
ttodorov 0:881ff0b71102 204
ttodorov 4:3ac4239f6c9c 205 void SSD1289_LCD::SetXY( uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2 )
ttodorov 0:881ff0b71102 206 {
ttodorov 2:81ed304b7e9b 207 WriteCmdData( 0x44, ( x2 << 8 ) + x1 );
ttodorov 2:81ed304b7e9b 208 WriteCmdData( 0x45, y1 );
ttodorov 2:81ed304b7e9b 209 WriteCmdData( 0x46, y2 );
ttodorov 2:81ed304b7e9b 210 WriteCmdData( 0x4e, x1 );
ttodorov 2:81ed304b7e9b 211 WriteCmdData( 0x4f, y1 );
ttodorov 2:81ed304b7e9b 212 WriteCmd( 0x22 );
ttodorov 0:881ff0b71102 213 }
ttodorov 10:69571adcfad5 214
ttodorov 12:d0978272a340 215 void SSD1289_LCD::SetPixelColor( unsigned int color )
ttodorov 10:69571adcfad5 216 {
ttodorov 12:d0978272a340 217 unsigned char r, g, b;
ttodorov 12:d0978272a340 218 r = ( color >> 16 ) & 0xFF;
ttodorov 12:d0978272a340 219 g = ( color >> 8 ) & 0xFF;
ttodorov 12:d0978272a340 220 b = color & 0xFF;
ttodorov 15:af3cd35886fb 221 if ( _colorDepth == RGB16 )
ttodorov 15:af3cd35886fb 222 {
ttodorov 15:af3cd35886fb 223 unsigned short clr = ( ( ( ( r ) & 0xF8 ) | ( ( g ) >> 5 ) ) << 8 ) | ( ( ( ( g ) & 0x1C ) << 3 ) | ( ( b ) >> 3 ) );
ttodorov 15:af3cd35886fb 224 WriteData( clr );
ttodorov 15:af3cd35886fb 225 }
ttodorov 15:af3cd35886fb 226 else if ( _colorDepth == RGB18 )
ttodorov 15:af3cd35886fb 227 {
ttodorov 15:af3cd35886fb 228 }
ttodorov 10:69571adcfad5 229 }