en 129 / TFTLCDwithFastIO

TFTLCD with FastIO

Fork of TFTLCD by en 129

ili9328.cpp@28:45e8aa1fc420, 2015-07-12 (annotated)

Committer:
nameless129
Date:
Sun Jul 12 03:16:20 2015 +0000
Revision:
28:45e8aa1fc420
Parent:
27:26491d710e72
Child:
30:1e9905bdfd15
first commit;

Who changed what in which revision?

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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 }
nameless129 28:45e8aa1fc420 97
nameless129 28:45e8aa1fc420 98 WriteCmdData( ILI932X_DRIV_OUT_CTRL, drivOut ); // set Driver Output Control
nameless129 28:45e8aa1fc420 99 WriteCmdData( ILI932X_DRIV_WAV_CTRL, 0x0700 ); // set 1 line inversion
nameless129 28:45e8aa1fc420 100 WriteCmdData( ILI932X_ENTRY_MOD, entryMod ); // set GRAM write direction and BGR=1.
nameless129 28:45e8aa1fc420 101 WriteCmdData( ILI932X_RESIZE_CTRL, 0x0000 ); // Resize register
nameless129 28:45e8aa1fc420 102 WriteCmdData( ILI932X_DISP_CTRL2, 0x0202 ); // set the back porch and front porch
nameless129 28:45e8aa1fc420 103 WriteCmdData( ILI932X_DISP_CTRL3, 0x0000 ); // set non-display area refresh cycle ISC[3:0]
nameless129 28:45e8aa1fc420 104 WriteCmdData( ILI932X_DISP_CTRL4, 0x0000 ); // FMARK function
nameless129 28:45e8aa1fc420 105 WriteCmdData( ILI932X_RGB_DISP_IF_CTRL1, 0x0000 ); // RGB interface setting
nameless129 28:45e8aa1fc420 106 WriteCmdData( ILI932X_FRM_MARKER_POS, 0x0000 ); // Frame marker Position
nameless129 28:45e8aa1fc420 107 WriteCmdData( ILI932X_RGB_DISP_IF_CTRL2, 0x0000 ); // RGB interface polarity
ttodorov 24:ac6e35658037 108 // ----------- Power On sequence ----------- //
nameless129 28:45e8aa1fc420 109 WriteCmdData( ILI932X_POW_CTRL1, 0x0000 ); // SAP, BT[3:0], AP, DSTB, SLP, STB
nameless129 28:45e8aa1fc420 110 WriteCmdData( ILI932X_POW_CTRL2, 0x0007 ); // DC1[2:0], DC0[2:0], VC[2:0]
nameless129 28:45e8aa1fc420 111 WriteCmdData( ILI932X_POW_CTRL3, 0x0000 ); // VREG1OUT voltage
nameless129 28:45e8aa1fc420 112 WriteCmdData( ILI932X_POW_CTRL4, 0x0000 ); // VDV[4:0] for VCOM amplitude
ttodorov 24:ac6e35658037 113 wait_ms( 200 ); // Dis-charge capacitor power voltage
nameless129 28:45e8aa1fc420 114 WriteCmdData( ILI932X_POW_CTRL1, 0x1690 ); // SAP, BT[3:0], AP, DSTB, SLP, STB
nameless129 28:45e8aa1fc420 115 WriteCmdData( ILI932X_POW_CTRL2, 0x0227 ); // Set DC1[2:0], DC0[2:0], VC[2:0]
ttodorov 24:ac6e35658037 116 wait_ms( 50 ); // Delay 50ms
nameless129 28:45e8aa1fc420 117 WriteCmdData( ILI932X_POW_CTRL3, 0x001A ); // 0012
ttodorov 24:ac6e35658037 118 wait_ms( 50 ); // Delay 50ms
nameless129 28:45e8aa1fc420 119 WriteCmdData( ILI932X_POW_CTRL4, 0x1800 ); // VDV[4:0] for VCOM amplitude
nameless129 28:45e8aa1fc420 120 WriteCmdData( ILI932X_POW_CTRL7, 0x002A ); // 04 VCM[5:0] for VCOMH
ttodorov 24:ac6e35658037 121 wait_ms( 50 ); // Delay 50ms
nameless129 28:45e8aa1fc420 122 WriteCmdData( ILI932X_GRAM_HOR_AD, 0x0000 ); // GRAM horizontal Address
nameless129 28:45e8aa1fc420 123 WriteCmdData( ILI932X_GRAM_VER_AD, 0x0000 ); // GRAM Vertical Address
ttodorov 24:ac6e35658037 124 // ----------- Adjust the Gamma Curve ----------//
nameless129 28:45e8aa1fc420 125 WriteCmdData( ILI932X_GAMMA_CTRL1, 0x0000 );
nameless129 28:45e8aa1fc420 126 WriteCmdData( ILI932X_GAMMA_CTRL2, 0x0000 );
nameless129 28:45e8aa1fc420 127 WriteCmdData( ILI932X_GAMMA_CTRL3, 0x0000 );
nameless129 28:45e8aa1fc420 128 WriteCmdData( ILI932X_GAMMA_CTRL4, 0x0206 );
nameless129 28:45e8aa1fc420 129 WriteCmdData( ILI932X_GAMMA_CTRL5, 0x0808 );
nameless129 28:45e8aa1fc420 130 WriteCmdData( ILI932X_GAMMA_CTRL6, 0x0007 );
nameless129 28:45e8aa1fc420 131 WriteCmdData( ILI932X_GAMMA_CTRL7, 0x0201 );
nameless129 28:45e8aa1fc420 132 WriteCmdData( ILI932X_GAMMA_CTRL8, 0x0000 );
nameless129 28:45e8aa1fc420 133 WriteCmdData( ILI932X_GAMMA_CTRL9, 0x0000 );
nameless129 28:45e8aa1fc420 134 WriteCmdData( ILI932X_GAMMA_CTRL10, 0x0000 );
ttodorov 24:ac6e35658037 135 //------------------ Set GRAM area ---------------//
nameless129 28:45e8aa1fc420 136 WriteCmdData( ILI932X_HOR_END_AD, 0x00EF ); // Horizontal GRAM End Address
nameless129 28:45e8aa1fc420 137 WriteCmdData( ILI932X_VER_START_AD, 0x0000 ); // Vertical GRAM Start Address
nameless129 28:45e8aa1fc420 138 WriteCmdData( ILI932X_VER_END_AD, 0x013F ); // Vertical GRAM Start Address
nameless129 28:45e8aa1fc420 139 WriteCmdData( ILI932X_GATE_SCAN_CTRL1, gateScan ); // Gate Scan Line (0xA700)
nameless129 28:45e8aa1fc420 140 WriteCmdData( ILI932X_GATE_SCAN_CTRL2, 0x0003 ); // NDL,VLE, REV
nameless129 28:45e8aa1fc420 141 WriteCmdData( ILI932X_GATE_SCAN_CTRL3, 0x0000 ); // set scrolling line
ttodorov 24:ac6e35658037 142 //-------------- Panel Control -------------------//
nameless129 28:45e8aa1fc420 143 WriteCmdData( ILI932X_PANEL_IF_CTRL1, 0x0010 );
nameless129 28:45e8aa1fc420 144 WriteCmdData( ILI932X_PANEL_IF_CTRL2, 0x0000 );
nameless129 28:45e8aa1fc420 145 WriteCmdData( ILI932X_PANEL_IF_CTRL4, 0X1100 );
nameless129 28:45e8aa1fc420 146 WriteCmdData( ILI932X_DISP_CTRL1, 0x0133 ); // 262K color and display ON
ttodorov 24:ac6e35658037 147
ttodorov 23:eca4414196ca 148 Deactivate();
ttodorov 23:eca4414196ca 149 }
ttodorov 23:eca4414196ca 150
ttodorov 23:eca4414196ca 151 void ILI9328_LCD::Sleep( void )
ttodorov 23:eca4414196ca 152 {
ttodorov 27:26491d710e72 153 Activate();
ttodorov 27:26491d710e72 154 WriteCmdData( 0x10, 0x1692 ); // enter sleep mode
ttodorov 27:26491d710e72 155 wait_ms( 200 );
ttodorov 23:eca4414196ca 156 LCD::Sleep();
ttodorov 27:26491d710e72 157 Deactivate();
ttodorov 23:eca4414196ca 158 }
ttodorov 23:eca4414196ca 159
ttodorov 23:eca4414196ca 160 void ILI9328_LCD::WakeUp( void )
ttodorov 23:eca4414196ca 161 {
ttodorov 27:26491d710e72 162 Activate();
ttodorov 27:26491d710e72 163 WriteCmdData( 0x10, 0x1690 ); // exit sleep mode
ttodorov 27:26491d710e72 164 wait_ms( 200 );
ttodorov 23:eca4414196ca 165 LCD::WakeUp();
ttodorov 27:26491d710e72 166 Deactivate();
ttodorov 23:eca4414196ca 167 }
ttodorov 23:eca4414196ca 168
nameless129 28:45e8aa1fc420 169 //fix to 8bit mode
ttodorov 23:eca4414196ca 170 void ILI9328_LCD::WriteCmd( unsigned short cmd )
ttodorov 23:eca4414196ca 171 {
ttodorov 23:eca4414196ca 172 _lcd_pin_rs = LOW;
nameless129 28:45e8aa1fc420 173 _lcd_port->write( 0 );
nameless129 28:45e8aa1fc420 174 pulseLow( _lcd_pin_wr );
ttodorov 23:eca4414196ca 175 _lcd_port->write( cmd );
ttodorov 23:eca4414196ca 176 pulseLow( _lcd_pin_wr );
ttodorov 23:eca4414196ca 177 }
nameless129 28:45e8aa1fc420 178 //fix to 8bit mode
ttodorov 23:eca4414196ca 179 void ILI9328_LCD::WriteData( unsigned short data )
ttodorov 23:eca4414196ca 180 {
ttodorov 23:eca4414196ca 181 _lcd_pin_rs = HIGH;
nameless129 28:45e8aa1fc420 182 _lcd_port->write( data>>8 );
nameless129 28:45e8aa1fc420 183 pulseLow( _lcd_pin_wr );
nameless129 28:45e8aa1fc420 184 _lcd_port->write( data&0xff );
ttodorov 23:eca4414196ca 185 pulseLow( _lcd_pin_wr );
ttodorov 23:eca4414196ca 186 }
ttodorov 23:eca4414196ca 187
ttodorov 23:eca4414196ca 188 void ILI9328_LCD::SetXY( unsigned short x1, unsigned short y1, unsigned short x2, unsigned short y2 )
ttodorov 23:eca4414196ca 189 {
ttodorov 25:6cffb758c075 190 switch ( _orientation )
ttodorov 25:6cffb758c075 191 {
ttodorov 25:6cffb758c075 192 case LANDSCAPE:
ttodorov 25:6cffb758c075 193 case LANDSCAPE_REV:
ttodorov 25:6cffb758c075 194 WriteCmdData( 0x20, y1 );
ttodorov 25:6cffb758c075 195 WriteCmdData( 0x21, x1 );
ttodorov 25:6cffb758c075 196 WriteCmdData( 0x50, y1 );
ttodorov 25:6cffb758c075 197 WriteCmdData( 0x52, x1 );
ttodorov 25:6cffb758c075 198 WriteCmdData( 0x51, y2 );
ttodorov 25:6cffb758c075 199 WriteCmdData( 0x53, x2 );
ttodorov 25:6cffb758c075 200 break;
ttodorov 25:6cffb758c075 201
ttodorov 25:6cffb758c075 202 case PORTRAIT_REV:
ttodorov 25:6cffb758c075 203 case PORTRAIT:
ttodorov 25:6cffb758c075 204 default:
ttodorov 25:6cffb758c075 205 WriteCmdData( 0x20, x1 );
ttodorov 25:6cffb758c075 206 WriteCmdData( 0x21, y1 );
ttodorov 25:6cffb758c075 207 WriteCmdData( 0x50, x1 );
ttodorov 25:6cffb758c075 208 WriteCmdData( 0x52, y1 );
ttodorov 25:6cffb758c075 209 WriteCmdData( 0x51, x2 );
ttodorov 25:6cffb758c075 210 WriteCmdData( 0x53, y2 );
ttodorov 25:6cffb758c075 211 break;
ttodorov 25:6cffb758c075 212 }
ttodorov 23:eca4414196ca 213 WriteCmd( 0x22 );
ttodorov 23:eca4414196ca 214 }
ttodorov 23:eca4414196ca 215
ttodorov 23:eca4414196ca 216 void ILI9328_LCD::SetPixelColor( unsigned int color, colordepth_t mode )
ttodorov 23:eca4414196ca 217 {
ttodorov 23:eca4414196ca 218 unsigned char r, g, b;
ttodorov 23:eca4414196ca 219 unsigned short clr;
ttodorov 26:28f64fbcf7df 220 r = g = b = 0;
ttodorov 23:eca4414196ca 221 if ( _colorDepth == RGB16 )
ttodorov 23:eca4414196ca 222 {
ttodorov 23:eca4414196ca 223 switch ( mode )
ttodorov 23:eca4414196ca 224 {
ttodorov 23:eca4414196ca 225 case RGB16:
ttodorov 23:eca4414196ca 226 WriteData( color & 0xFFFF );
ttodorov 23:eca4414196ca 227 break;
ttodorov 23:eca4414196ca 228 case RGB18:
ttodorov 23:eca4414196ca 229 r = ( color >> 10 ) & 0xF8;
ttodorov 23:eca4414196ca 230 g = ( color >> 4 ) & 0xFC;
ttodorov 23:eca4414196ca 231 b = ( color >> 1 ) & 0x1F;
ttodorov 23:eca4414196ca 232 clr = ( ( r | ( g >> 5 ) ) << 8 ) | ( ( g << 3 ) | b );
ttodorov 23:eca4414196ca 233 WriteData( clr );
ttodorov 23:eca4414196ca 234 break;
ttodorov 23:eca4414196ca 235 case RGB24:
ttodorov 23:eca4414196ca 236 r = ( color >> 16 ) & 0xF8;
ttodorov 23:eca4414196ca 237 g = ( color >> 8 ) & 0xFC;
ttodorov 23:eca4414196ca 238 b = color & 0xF8;
ttodorov 23:eca4414196ca 239 clr = ( ( r | ( g >> 5 ) ) << 8 ) | ( ( g << 3 ) | ( b >> 3 ) );
ttodorov 23:eca4414196ca 240 WriteData( clr );
ttodorov 23:eca4414196ca 241 break;
ttodorov 23:eca4414196ca 242 }
ttodorov 23:eca4414196ca 243 }
ttodorov 23:eca4414196ca 244 else if ( _colorDepth == RGB18 )
ttodorov 23:eca4414196ca 245 {
ttodorov 23:eca4414196ca 246 switch ( mode )
ttodorov 23:eca4414196ca 247 {
ttodorov 23:eca4414196ca 248 case RGB16:
ttodorov 23:eca4414196ca 249 r = ( ( color >> 8 ) & 0xF8 ) | ( ( color & 0x8000 ) >> 13 );
ttodorov 23:eca4414196ca 250 g = ( color >> 3 ) & 0xFC;
ttodorov 23:eca4414196ca 251 b = ( ( color << 3 ) & 0xFC ) | ( ( color >> 3 ) & 0x01 );
ttodorov 23:eca4414196ca 252 break;
ttodorov 23:eca4414196ca 253 case RGB18:
ttodorov 23:eca4414196ca 254 b = ( color << 2 ) & 0xFC;
ttodorov 23:eca4414196ca 255 g = ( color >> 4 ) & 0xFC;
ttodorov 23:eca4414196ca 256 r = ( color >> 10 ) & 0xFC;
ttodorov 23:eca4414196ca 257 break;
ttodorov 23:eca4414196ca 258 case RGB24:
ttodorov 23:eca4414196ca 259 r = ( color >> 16 ) & 0xFC;
ttodorov 23:eca4414196ca 260 g = ( color >> 8 ) & 0xFC;
ttodorov 23:eca4414196ca 261 b = color & 0xFC;
ttodorov 23:eca4414196ca 262 break;
ttodorov 23:eca4414196ca 263 }
ttodorov 26:28f64fbcf7df 264 clr = ( r << 8 ) | ( g << 2 ) | ( b >> 4 );
ttodorov 26:28f64fbcf7df 265 WriteData( clr );
ttodorov 26:28f64fbcf7df 266 WriteData( b << 4 );
ttodorov 23:eca4414196ca 267 }
ttodorov 23:eca4414196ca 268 }