en 129 / TFTLCDwithFastIO

TFTLCD with FastIO

Fork of TFTLCD by en 129

ili9328.cpp@26:28f64fbcf7df, 2013-06-16 (annotated)

Committer:
ttodorov
Date:
Sun Jun 16 03:36:07 2013 +0000
Revision:
26:28f64fbcf7df
Parent:
25:6cffb758c075
Child:
27:26491d710e72
- fixed 18bit color depth (262k colors available)

Who changed what in which revision?

UserRevisionLine numberNew contents of line
ttodorov 23:eca4414196ca 1 /*
ttodorov 23:eca4414196ca 2 * Copyright (C)2010-2012 Henning Karlsen. All right reserved.
ttodorov 23:eca4414196ca 3 * Copyright (C)2012-2013 Todor Todorov.
ttodorov 23:eca4414196ca 4 *
ttodorov 23:eca4414196ca 5 * This library is free software; you can redistribute it and/or
ttodorov 23:eca4414196ca 6 * modify it under the terms of the GNU Lesser General Public
ttodorov 23:eca4414196ca 7 * License as published by the Free Software Foundation; either
ttodorov 23:eca4414196ca 8 * version 2.1 of the License, or (at your option) any later version.
ttodorov 23:eca4414196ca 9 *
ttodorov 23:eca4414196ca 10 * This library is distributed in the hope that it will be useful,
ttodorov 23:eca4414196ca 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
ttodorov 23:eca4414196ca 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
ttodorov 23:eca4414196ca 13 * Lesser General Public License for more details.
ttodorov 23:eca4414196ca 14 *
ttodorov 23:eca4414196ca 15 * You should have received a copy of the GNU Lesser General Public
ttodorov 23:eca4414196ca 16 * License along with this library; if not, write to:
ttodorov 23:eca4414196ca 17 *
ttodorov 23:eca4414196ca 18 * Free Software Foundation, Inc.
ttodorov 23:eca4414196ca 19 * 51 Franklin St, 5th Floor, Boston, MA 02110-1301, USA
ttodorov 23:eca4414196ca 20 *
ttodorov 23:eca4414196ca 21 *********************************************************************/
ttodorov 23:eca4414196ca 22 #include "ili9328.h"
ttodorov 23:eca4414196ca 23 #include "helpers.h"
ttodorov 23:eca4414196ca 24
ttodorov 23:eca4414196ca 25 ILI9328_LCD::ILI9328_LCD( PinName CS, PinName RESET, PinName RS, PinName WR, BusOut* DATA_PORT, PinName BL, PinName RD, backlight_t blType, float defaultBackLightLevel )
ttodorov 23:eca4414196ca 26 : LCD( 240, 320, CS, RS, RESET, BL, blType, defaultBackLightLevel ), _lcd_pin_wr( WR )
ttodorov 23:eca4414196ca 27 {
ttodorov 23:eca4414196ca 28 _lcd_port = DATA_PORT;
ttodorov 23:eca4414196ca 29 if ( RD != NC ) _lcd_pin_rd = new DigitalOut( RD );
ttodorov 23:eca4414196ca 30 else _lcd_pin_rd = 0;
ttodorov 23:eca4414196ca 31 }
ttodorov 23:eca4414196ca 32
ttodorov 23:eca4414196ca 33 void ILI9328_LCD::Initialize( orientation_t orientation, colordepth_t colors )
ttodorov 23:eca4414196ca 34 {
ttodorov 23:eca4414196ca 35 _orientation = orientation;
ttodorov 23:eca4414196ca 36 _colorDepth = colors;
ttodorov 23:eca4414196ca 37
ttodorov 23:eca4414196ca 38 _lcd_pin_reset = HIGH;
ttodorov 23:eca4414196ca 39 wait_ms( 50 );
ttodorov 23:eca4414196ca 40 _lcd_pin_reset = LOW;
ttodorov 23:eca4414196ca 41 wait_ms( 100 );
ttodorov 23:eca4414196ca 42 _lcd_pin_reset = HIGH;
ttodorov 23:eca4414196ca 43 wait_ms( 1000 );
ttodorov 23:eca4414196ca 44 _lcd_pin_cs = HIGH;
ttodorov 23:eca4414196ca 45 if ( _lcd_pin_bl != 0 )
ttodorov 23:eca4414196ca 46 *_lcd_pin_bl = HIGH;
ttodorov 23:eca4414196ca 47 else if ( _bl_pwm != 0 )
ttodorov 23:eca4414196ca 48 *_bl_pwm = _bl_pwm_default;
ttodorov 23:eca4414196ca 49 if ( _lcd_pin_rd != 0 )
ttodorov 23:eca4414196ca 50 *_lcd_pin_rd = HIGH;
ttodorov 23:eca4414196ca 51 _lcd_pin_wr = HIGH;
ttodorov 23:eca4414196ca 52 wait_ms( 15 );
ttodorov 23:eca4414196ca 53
ttodorov 23:eca4414196ca 54 Activate();
ttodorov 25:6cffb758c075 55
ttodorov 25:6cffb758c075 56 short drivOut = 0;
ttodorov 25:6cffb758c075 57 short entryMod = 0;
ttodorov 25:6cffb758c075 58 short gateScan = 0x2700;
ttodorov 24:ac6e35658037 59 switch ( _orientation )
ttodorov 24:ac6e35658037 60 {
ttodorov 25:6cffb758c075 61 case LANDSCAPE:
ttodorov 25:6cffb758c075 62 drivOut = 0x0100;
ttodorov 25:6cffb758c075 63 entryMod |= 0x0038;
ttodorov 25:6cffb758c075 64 gateScan |= 0x0000;
ttodorov 25:6cffb758c075 65 break;
ttodorov 25:6cffb758c075 66
ttodorov 25:6cffb758c075 67 case LANDSCAPE_REV:
ttodorov 25:6cffb758c075 68 drivOut = 0x0000;
ttodorov 25:6cffb758c075 69 entryMod |= 0x0038;
ttodorov 25:6cffb758c075 70 gateScan |= 0x8000;
ttodorov 25:6cffb758c075 71 break;
ttodorov 25:6cffb758c075 72
ttodorov 25:6cffb758c075 73 case PORTRAIT_REV:
ttodorov 25:6cffb758c075 74 drivOut = 0x0000;
ttodorov 25:6cffb758c075 75 entryMod |= 0x0030;
ttodorov 25:6cffb758c075 76 gateScan |= 0x0000;
ttodorov 25:6cffb758c075 77 break;
ttodorov 25:6cffb758c075 78
ttodorov 24:ac6e35658037 79 case PORTRAIT:
ttodorov 24:ac6e35658037 80 default:
ttodorov 25:6cffb758c075 81 drivOut = 0x0100;
ttodorov 25:6cffb758c075 82 entryMod |= 0x0030;
ttodorov 25:6cffb758c075 83 gateScan |= 0x8000;
ttodorov 24:ac6e35658037 84 break;
ttodorov 24:ac6e35658037 85 }
ttodorov 24:ac6e35658037 86 switch ( _colorDepth )
ttodorov 24:ac6e35658037 87 {
ttodorov 26:28f64fbcf7df 88 case RGB18:
ttodorov 26:28f64fbcf7df 89 entryMod |= 0x9000;
ttodorov 26:28f64fbcf7df 90 break;
ttodorov 26:28f64fbcf7df 91
ttodorov 24:ac6e35658037 92 case RGB16:
ttodorov 24:ac6e35658037 93 default:
ttodorov 25:6cffb758c075 94 entryMod |= 0x1000;
ttodorov 24:ac6e35658037 95 break;
ttodorov 24:ac6e35658037 96 }
ttodorov 24:ac6e35658037 97
ttodorov 24:ac6e35658037 98 WriteCmdData( 0xE5, 0x78F0 ); // set SRAM internal timing
ttodorov 25:6cffb758c075 99 WriteCmdData( 0x01, drivOut ); // set Driver Output Control
ttodorov 24:ac6e35658037 100 WriteCmdData( 0x02, 0x0200 ); // set 1 line inversion
ttodorov 25:6cffb758c075 101 WriteCmdData( 0x03, entryMod ); // set GRAM write direction and BGR=1.
ttodorov 24:ac6e35658037 102 WriteCmdData( 0x04, 0x0000 ); // Resize register
ttodorov 24:ac6e35658037 103 WriteCmdData( 0x08, 0x0207 ); // set the back porch and front porch
ttodorov 24:ac6e35658037 104 WriteCmdData( 0x09, 0x0000 ); // set non-display area refresh cycle ISC[3:0]
ttodorov 24:ac6e35658037 105 WriteCmdData( 0x0A, 0x0000 ); // FMARK function
ttodorov 24:ac6e35658037 106 WriteCmdData( 0x0C, 0x0000 ); // RGB interface setting
ttodorov 24:ac6e35658037 107 WriteCmdData( 0x0D, 0x0000 ); // Frame marker Position
ttodorov 24:ac6e35658037 108 WriteCmdData( 0x0F, 0x0000 ); // RGB interface polarity
ttodorov 24:ac6e35658037 109 // ----------- Power On sequence ----------- //
ttodorov 24:ac6e35658037 110 WriteCmdData( 0x10, 0x0000 ); // SAP, BT[3:0], AP, DSTB, SLP, STB
ttodorov 24:ac6e35658037 111 WriteCmdData( 0x11, 0x0007 ); // DC1[2:0], DC0[2:0], VC[2:0]
ttodorov 24:ac6e35658037 112 WriteCmdData( 0x12, 0x0000 ); // VREG1OUT voltage
ttodorov 24:ac6e35658037 113 WriteCmdData( 0x13, 0x0000 ); // VDV[4:0] for VCOM amplitude
ttodorov 24:ac6e35658037 114 WriteCmdData( 0x07, 0x0001 );
ttodorov 24:ac6e35658037 115 wait_ms( 200 ); // Dis-charge capacitor power voltage
ttodorov 24:ac6e35658037 116 WriteCmdData( 0x10, 0x1690 ); // SAP, BT[3:0], AP, DSTB, SLP, STB
ttodorov 24:ac6e35658037 117 WriteCmdData( 0x11, 0x0227 ); // Set DC1[2:0], DC0[2:0], VC[2:0]
ttodorov 24:ac6e35658037 118 wait_ms( 50 ); // Delay 50ms
ttodorov 24:ac6e35658037 119 WriteCmdData( 0x12, 0x000D ); // 0012
ttodorov 24:ac6e35658037 120 wait_ms( 50 ); // Delay 50ms
ttodorov 24:ac6e35658037 121 WriteCmdData( 0x13, 0x1200 ); // VDV[4:0] for VCOM amplitude
ttodorov 24:ac6e35658037 122 WriteCmdData( 0x29, 0x000A ); // 04 VCM[5:0] for VCOMH
ttodorov 24:ac6e35658037 123 WriteCmdData( 0x2B, 0x000D ); // Set Frame Rate
ttodorov 24:ac6e35658037 124 wait_ms( 50 ); // Delay 50ms
ttodorov 24:ac6e35658037 125 WriteCmdData( 0x20, 0x0000 ); // GRAM horizontal Address
ttodorov 24:ac6e35658037 126 WriteCmdData( 0x21, 0x0000 ); // GRAM Vertical Address
ttodorov 24:ac6e35658037 127 // ----------- Adjust the Gamma Curve ----------//
ttodorov 24:ac6e35658037 128 WriteCmdData( 0x30, 0x0000 );
ttodorov 24:ac6e35658037 129 WriteCmdData( 0x31, 0x0404 );
ttodorov 24:ac6e35658037 130 WriteCmdData( 0x32, 0x0003 );
ttodorov 24:ac6e35658037 131 WriteCmdData( 0x35, 0x0405 );
ttodorov 24:ac6e35658037 132 WriteCmdData( 0x36, 0x0808 );
ttodorov 24:ac6e35658037 133 WriteCmdData( 0x37, 0x0407 );
ttodorov 24:ac6e35658037 134 WriteCmdData( 0x38, 0x0303 );
ttodorov 24:ac6e35658037 135 WriteCmdData( 0x39, 0x0707 );
ttodorov 24:ac6e35658037 136 WriteCmdData( 0x3C, 0x0504 );
ttodorov 24:ac6e35658037 137 WriteCmdData( 0x3D, 0x0808 );
ttodorov 24:ac6e35658037 138 //------------------ Set GRAM area ---------------//
ttodorov 24:ac6e35658037 139 WriteCmdData( 0x50, 0x0000 ); // Horizontal GRAM Start Address
ttodorov 24:ac6e35658037 140 WriteCmdData( 0x51, 0x00EF ); // Horizontal GRAM End Address
ttodorov 24:ac6e35658037 141 WriteCmdData( 0x52, 0x0000 ); // Vertical GRAM Start Address
ttodorov 24:ac6e35658037 142 WriteCmdData( 0x53, 0x013F ); // Vertical GRAM Start Address
ttodorov 25:6cffb758c075 143 WriteCmdData( 0x60, gateScan ); // Gate Scan Line (0xA700)
ttodorov 24:ac6e35658037 144 WriteCmdData( 0x61, 0x0000 ); // NDL,VLE, REV
ttodorov 24:ac6e35658037 145 WriteCmdData( 0x6A, 0x0000 ); // set scrolling line
ttodorov 24:ac6e35658037 146 //-------------- Partial Display Control ---------//
ttodorov 24:ac6e35658037 147 WriteCmdData( 0x80, 0x0000 );
ttodorov 24:ac6e35658037 148 WriteCmdData( 0x81, 0x0000 );
ttodorov 24:ac6e35658037 149 WriteCmdData( 0x82, 0x0000 );
ttodorov 24:ac6e35658037 150 WriteCmdData( 0x83, 0x0000 );
ttodorov 24:ac6e35658037 151 WriteCmdData( 0x84, 0x0000 );
ttodorov 24:ac6e35658037 152 WriteCmdData( 0x85, 0x0000 );
ttodorov 24:ac6e35658037 153 //-------------- Panel Control -------------------//
ttodorov 24:ac6e35658037 154 WriteCmdData( 0x90, 0x0010 );
ttodorov 24:ac6e35658037 155 WriteCmdData( 0x92, 0x0000 );
ttodorov 24:ac6e35658037 156 WriteCmdData( 0x07, 0x0133 ); // 262K color and display ON
ttodorov 24:ac6e35658037 157
ttodorov 23:eca4414196ca 158 Deactivate();
ttodorov 23:eca4414196ca 159 }
ttodorov 23:eca4414196ca 160
ttodorov 23:eca4414196ca 161 void ILI9328_LCD::Sleep( void )
ttodorov 23:eca4414196ca 162 {
ttodorov 25:6cffb758c075 163 WriteCmdData( 0x10, 0x0001 );//0x1692 ); // enter sleep mode
ttodorov 23:eca4414196ca 164 LCD::Sleep();
ttodorov 23:eca4414196ca 165 }
ttodorov 23:eca4414196ca 166
ttodorov 23:eca4414196ca 167 void ILI9328_LCD::WakeUp( void )
ttodorov 23:eca4414196ca 168 {
ttodorov 25:6cffb758c075 169 WriteCmdData( 0x10, 0x0000 );//0x1690 ); // exit sleep mode
ttodorov 23:eca4414196ca 170 LCD::WakeUp();
ttodorov 23:eca4414196ca 171 }
ttodorov 23:eca4414196ca 172
ttodorov 23:eca4414196ca 173 void ILI9328_LCD::WriteCmd( unsigned short cmd )
ttodorov 23:eca4414196ca 174 {
ttodorov 23:eca4414196ca 175 _lcd_pin_rs = LOW;
ttodorov 23:eca4414196ca 176 _lcd_port->write( cmd );
ttodorov 23:eca4414196ca 177 pulseLow( _lcd_pin_wr );
ttodorov 23:eca4414196ca 178 }
ttodorov 23:eca4414196ca 179
ttodorov 23:eca4414196ca 180 void ILI9328_LCD::WriteData( unsigned short data )
ttodorov 23:eca4414196ca 181 {
ttodorov 23:eca4414196ca 182 _lcd_pin_rs = HIGH;
ttodorov 23:eca4414196ca 183 _lcd_port->write( data );
ttodorov 23:eca4414196ca 184 pulseLow( _lcd_pin_wr );
ttodorov 23:eca4414196ca 185 }
ttodorov 23:eca4414196ca 186
ttodorov 23:eca4414196ca 187 void ILI9328_LCD::SetXY( unsigned short x1, unsigned short y1, unsigned short x2, unsigned short y2 )
ttodorov 23:eca4414196ca 188 {
ttodorov 25:6cffb758c075 189 switch ( _orientation )
ttodorov 25:6cffb758c075 190 {
ttodorov 25:6cffb758c075 191 case LANDSCAPE:
ttodorov 25:6cffb758c075 192 case LANDSCAPE_REV:
ttodorov 25:6cffb758c075 193 WriteCmdData( 0x20, y1 );
ttodorov 25:6cffb758c075 194 WriteCmdData( 0x21, x1 );
ttodorov 25:6cffb758c075 195 WriteCmdData( 0x50, y1 );
ttodorov 25:6cffb758c075 196 WriteCmdData( 0x52, x1 );
ttodorov 25:6cffb758c075 197 WriteCmdData( 0x51, y2 );
ttodorov 25:6cffb758c075 198 WriteCmdData( 0x53, x2 );
ttodorov 25:6cffb758c075 199 break;
ttodorov 25:6cffb758c075 200
ttodorov 25:6cffb758c075 201 case PORTRAIT_REV:
ttodorov 25:6cffb758c075 202 case PORTRAIT:
ttodorov 25:6cffb758c075 203 default:
ttodorov 25:6cffb758c075 204 WriteCmdData( 0x20, x1 );
ttodorov 25:6cffb758c075 205 WriteCmdData( 0x21, y1 );
ttodorov 25:6cffb758c075 206 WriteCmdData( 0x50, x1 );
ttodorov 25:6cffb758c075 207 WriteCmdData( 0x52, y1 );
ttodorov 25:6cffb758c075 208 WriteCmdData( 0x51, x2 );
ttodorov 25:6cffb758c075 209 WriteCmdData( 0x53, y2 );
ttodorov 25:6cffb758c075 210 break;
ttodorov 25:6cffb758c075 211 }
ttodorov 23:eca4414196ca 212 WriteCmd( 0x22 );
ttodorov 23:eca4414196ca 213 }
ttodorov 23:eca4414196ca 214
ttodorov 23:eca4414196ca 215 void ILI9328_LCD::SetPixelColor( unsigned int color, colordepth_t mode )
ttodorov 23:eca4414196ca 216 {
ttodorov 23:eca4414196ca 217 unsigned char r, g, b;
ttodorov 23:eca4414196ca 218 unsigned short clr;
ttodorov 26:28f64fbcf7df 219 r = g = b = 0;
ttodorov 23:eca4414196ca 220 if ( _colorDepth == RGB16 )
ttodorov 23:eca4414196ca 221 {
ttodorov 23:eca4414196ca 222 switch ( mode )
ttodorov 23:eca4414196ca 223 {
ttodorov 23:eca4414196ca 224 case RGB16:
ttodorov 23:eca4414196ca 225 WriteData( color & 0xFFFF );
ttodorov 23:eca4414196ca 226 break;
ttodorov 23:eca4414196ca 227 case RGB18:
ttodorov 23:eca4414196ca 228 r = ( color >> 10 ) & 0xF8;
ttodorov 23:eca4414196ca 229 g = ( color >> 4 ) & 0xFC;
ttodorov 23:eca4414196ca 230 b = ( color >> 1 ) & 0x1F;
ttodorov 23:eca4414196ca 231 clr = ( ( r | ( g >> 5 ) ) << 8 ) | ( ( g << 3 ) | b );
ttodorov 23:eca4414196ca 232 WriteData( clr );
ttodorov 23:eca4414196ca 233 break;
ttodorov 23:eca4414196ca 234 case RGB24:
ttodorov 23:eca4414196ca 235 r = ( color >> 16 ) & 0xF8;
ttodorov 23:eca4414196ca 236 g = ( color >> 8 ) & 0xFC;
ttodorov 23:eca4414196ca 237 b = color & 0xF8;
ttodorov 23:eca4414196ca 238 clr = ( ( r | ( g >> 5 ) ) << 8 ) | ( ( g << 3 ) | ( b >> 3 ) );
ttodorov 23:eca4414196ca 239 WriteData( clr );
ttodorov 23:eca4414196ca 240 break;
ttodorov 23:eca4414196ca 241 }
ttodorov 23:eca4414196ca 242 }
ttodorov 23:eca4414196ca 243 else if ( _colorDepth == RGB18 )
ttodorov 23:eca4414196ca 244 {
ttodorov 23:eca4414196ca 245 switch ( mode )
ttodorov 23:eca4414196ca 246 {
ttodorov 23:eca4414196ca 247 case RGB16:
ttodorov 23:eca4414196ca 248 r = ( ( color >> 8 ) & 0xF8 ) | ( ( color & 0x8000 ) >> 13 );
ttodorov 23:eca4414196ca 249 g = ( color >> 3 ) & 0xFC;
ttodorov 23:eca4414196ca 250 b = ( ( color << 3 ) & 0xFC ) | ( ( color >> 3 ) & 0x01 );
ttodorov 23:eca4414196ca 251 break;
ttodorov 23:eca4414196ca 252 case RGB18:
ttodorov 23:eca4414196ca 253 b = ( color << 2 ) & 0xFC;
ttodorov 23:eca4414196ca 254 g = ( color >> 4 ) & 0xFC;
ttodorov 23:eca4414196ca 255 r = ( color >> 10 ) & 0xFC;
ttodorov 23:eca4414196ca 256 break;
ttodorov 23:eca4414196ca 257 case RGB24:
ttodorov 23:eca4414196ca 258 r = ( color >> 16 ) & 0xFC;
ttodorov 23:eca4414196ca 259 g = ( color >> 8 ) & 0xFC;
ttodorov 23:eca4414196ca 260 b = color & 0xFC;
ttodorov 23:eca4414196ca 261 break;
ttodorov 23:eca4414196ca 262 }
ttodorov 26:28f64fbcf7df 263 clr = ( r << 8 ) | ( g << 2 ) | ( b >> 4 );
ttodorov 26:28f64fbcf7df 264 WriteData( clr );
ttodorov 26:28f64fbcf7df 265 WriteData( b << 4 );
ttodorov 23:eca4414196ca 266 }
ttodorov 23:eca4414196ca 267 }