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Dependencies: TFT_fonts mbed-os
Fork of newTFTLCD by
ili9328.cpp
00001 /* 00002 * Copyright (C)2010-2012 Henning Karlsen. All right reserved. 00003 * Copyright (C)2012-2013 Todor Todorov. 00004 * 00005 * This library is free software; you can redistribute it and/or 00006 * modify it under the terms of the GNU Lesser General Public 00007 * License as published by the Free Software Foundation; either 00008 * version 2.1 of the License, or (at your option) any later version. 00009 * 00010 * This library is distributed in the hope that it will be useful, 00011 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00012 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00013 * Lesser General Public License for more details. 00014 * 00015 * You should have received a copy of the GNU Lesser General Public 00016 * License along with this library; if not, write to: 00017 * 00018 * Free Software Foundation, Inc. 00019 * 51 Franklin St, 5th Floor, Boston, MA 02110-1301, USA 00020 * 00021 *********************************************************************/ 00022 #include "ili9328.h" 00023 #include "helpers.h" 00024 00025 ILI9328_LCD::ILI9328_LCD( PinName CS, PinName RESET, PinName RS, PinName WR, BusOut* DATA_PORT, PinName BL, PinName RD, backlight_t blType, float defaultBackLightLevel ) 00026 : LCD( 240, 320, CS, RS, RESET, BL, blType, defaultBackLightLevel ), _lcd_pin_wr( WR ) 00027 { 00028 _lcd_port = DATA_PORT; 00029 if ( RD != NC ) _lcd_pin_rd = new DigitalOut( RD ); 00030 else _lcd_pin_rd = 0; 00031 } 00032 00033 void ILI9328_LCD::Initialize( orientation_t orientation, colordepth_t colors ) 00034 { 00035 _orientation = orientation; 00036 _colorDepth = colors; 00037 00038 _lcd_pin_reset = HIGH; 00039 wait_ms( 50 ); 00040 _lcd_pin_reset = LOW; 00041 wait_ms( 100 ); 00042 _lcd_pin_reset = HIGH; 00043 wait_ms( 1000 ); 00044 _lcd_pin_cs = HIGH; 00045 if ( _lcd_pin_bl != 0 ) 00046 *_lcd_pin_bl = HIGH; 00047 else if ( _bl_pwm != 0 ) 00048 *_bl_pwm = _bl_pwm_default; 00049 if ( _lcd_pin_rd != 0 ) 00050 *_lcd_pin_rd = HIGH; 00051 _lcd_pin_wr = HIGH; 00052 wait_ms( 15 ); 00053 00054 Activate(); 00055 00056 short drivOut = 0; 00057 short entryMod = 0; 00058 short gateScan = 0x2700; 00059 switch ( _orientation ) 00060 { 00061 case LANDSCAPE: 00062 drivOut = 0x0100; 00063 entryMod |= 0x0038; 00064 gateScan |= 0x0000; 00065 break; 00066 00067 case LANDSCAPE_REV: 00068 drivOut = 0x0000; 00069 entryMod |= 0x0038; 00070 gateScan |= 0x8000; 00071 break; 00072 00073 case PORTRAIT_REV: 00074 drivOut = 0x0000; 00075 entryMod |= 0x0030; 00076 gateScan |= 0x0000; 00077 break; 00078 00079 case PORTRAIT: 00080 default: 00081 drivOut = 0x0100; 00082 entryMod |= 0x0030; 00083 gateScan |= 0x8000; 00084 break; 00085 } 00086 switch ( _colorDepth ) 00087 { 00088 case RGB18: 00089 entryMod |= 0x9000; 00090 break; 00091 00092 case RGB16: 00093 default: 00094 entryMod |= 0x1000; 00095 break; 00096 } 00097 00098 WriteCmdData( 0xE5, 0x78F0 ); // set SRAM internal timing 00099 WriteCmdData( 0x01, drivOut ); // set Driver Output Control 00100 WriteCmdData( 0x02, 0x0200 ); // set 1 line inversion 00101 WriteCmdData( 0x03, entryMod ); // set GRAM write direction and BGR=1. 00102 WriteCmdData( 0x04, 0x0000 ); // Resize register 00103 WriteCmdData( 0x08, 0x0207 ); // set the back porch and front porch 00104 WriteCmdData( 0x09, 0x0000 ); // set non-display area refresh cycle ISC[3:0] 00105 WriteCmdData( 0x0A, 0x0000 ); // FMARK function 00106 WriteCmdData( 0x0C, 0x0000 ); // RGB interface setting 00107 WriteCmdData( 0x0D, 0x0000 ); // Frame marker Position 00108 WriteCmdData( 0x0F, 0x0000 ); // RGB interface polarity 00109 // ----------- Power On sequence ----------- // 00110 WriteCmdData( 0x10, 0x0000 ); // SAP, BT[3:0], AP, DSTB, SLP, STB 00111 WriteCmdData( 0x11, 0x0007 ); // DC1[2:0], DC0[2:0], VC[2:0] 00112 WriteCmdData( 0x12, 0x0000 ); // VREG1OUT voltage 00113 WriteCmdData( 0x13, 0x0000 ); // VDV[4:0] for VCOM amplitude 00114 WriteCmdData( 0x07, 0x0001 ); 00115 wait_ms( 200 ); // Dis-charge capacitor power voltage 00116 WriteCmdData( 0x10, 0x1690 ); // SAP, BT[3:0], AP, DSTB, SLP, STB 00117 WriteCmdData( 0x11, 0x0227 ); // Set DC1[2:0], DC0[2:0], VC[2:0] 00118 wait_ms( 50 ); // Delay 50ms 00119 WriteCmdData( 0x12, 0x000D ); // 0012 00120 wait_ms( 50 ); // Delay 50ms 00121 WriteCmdData( 0x13, 0x1200 ); // VDV[4:0] for VCOM amplitude 00122 WriteCmdData( 0x29, 0x000A ); // 04 VCM[5:0] for VCOMH 00123 WriteCmdData( 0x2B, 0x000D ); // Set Frame Rate 00124 wait_ms( 50 ); // Delay 50ms 00125 WriteCmdData( 0x20, 0x0000 ); // GRAM horizontal Address 00126 WriteCmdData( 0x21, 0x0000 ); // GRAM Vertical Address 00127 // ----------- Adjust the Gamma Curve ----------// 00128 WriteCmdData( 0x30, 0x0000 ); 00129 WriteCmdData( 0x31, 0x0404 ); 00130 WriteCmdData( 0x32, 0x0003 ); 00131 WriteCmdData( 0x35, 0x0405 ); 00132 WriteCmdData( 0x36, 0x0808 ); 00133 WriteCmdData( 0x37, 0x0407 ); 00134 WriteCmdData( 0x38, 0x0303 ); 00135 WriteCmdData( 0x39, 0x0707 ); 00136 WriteCmdData( 0x3C, 0x0504 ); 00137 WriteCmdData( 0x3D, 0x0808 ); 00138 //------------------ Set GRAM area ---------------// 00139 WriteCmdData( 0x50, 0x0000 ); // Horizontal GRAM Start Address 00140 WriteCmdData( 0x51, 0x00EF ); // Horizontal GRAM End Address 00141 WriteCmdData( 0x52, 0x0000 ); // Vertical GRAM Start Address 00142 WriteCmdData( 0x53, 0x013F ); // Vertical GRAM Start Address 00143 WriteCmdData( 0x60, gateScan ); // Gate Scan Line (0xA700) 00144 WriteCmdData( 0x61, 0x0000 ); // NDL,VLE, REV 00145 WriteCmdData( 0x6A, 0x0000 ); // set scrolling line 00146 //-------------- Partial Display Control ---------// 00147 WriteCmdData( 0x80, 0x0000 ); 00148 WriteCmdData( 0x81, 0x0000 ); 00149 WriteCmdData( 0x82, 0x0000 ); 00150 WriteCmdData( 0x83, 0x0000 ); 00151 WriteCmdData( 0x84, 0x0000 ); 00152 WriteCmdData( 0x85, 0x0000 ); 00153 //-------------- Panel Control -------------------// 00154 WriteCmdData( 0x90, 0x0010 ); 00155 WriteCmdData( 0x92, 0x0000 ); 00156 WriteCmdData( 0x07, 0x0133 ); // 262K color and display ON 00157 00158 Deactivate(); 00159 } 00160 00161 void ILI9328_LCD::Sleep( void ) 00162 { 00163 Activate(); 00164 WriteCmdData( 0x10, 0x1692 ); // enter sleep mode 00165 wait_ms( 200 ); 00166 LCD::Sleep(); 00167 Deactivate(); 00168 } 00169 00170 void ILI9328_LCD::WakeUp( void ) 00171 { 00172 Activate(); 00173 WriteCmdData( 0x10, 0x1690 ); // exit sleep mode 00174 wait_ms( 200 ); 00175 LCD::WakeUp(); 00176 Deactivate(); 00177 } 00178 00179 void ILI9328_LCD::WriteCmd( unsigned short cmd ) 00180 { 00181 _lcd_pin_rs = LOW; 00182 _lcd_port->write( cmd ); 00183 pulseLow( _lcd_pin_wr ); 00184 } 00185 00186 void ILI9328_LCD::WriteData( unsigned short data ) 00187 { 00188 _lcd_pin_rs = HIGH; 00189 _lcd_port->write( data ); 00190 pulseLow( _lcd_pin_wr ); 00191 } 00192 00193 void ILI9328_LCD::SetXY( unsigned short x1, unsigned short y1, unsigned short x2, unsigned short y2 ) 00194 { 00195 switch ( _orientation ) 00196 { 00197 case LANDSCAPE: 00198 case LANDSCAPE_REV: 00199 WriteCmdData( 0x20, y1 ); 00200 WriteCmdData( 0x21, x1 ); 00201 WriteCmdData( 0x50, y1 ); 00202 WriteCmdData( 0x52, x1 ); 00203 WriteCmdData( 0x51, y2 ); 00204 WriteCmdData( 0x53, x2 ); 00205 break; 00206 00207 case PORTRAIT_REV: 00208 case PORTRAIT: 00209 default: 00210 WriteCmdData( 0x20, x1 ); 00211 WriteCmdData( 0x21, y1 ); 00212 WriteCmdData( 0x50, x1 ); 00213 WriteCmdData( 0x52, y1 ); 00214 WriteCmdData( 0x51, x2 ); 00215 WriteCmdData( 0x53, y2 ); 00216 break; 00217 } 00218 WriteCmd( 0x22 ); 00219 } 00220 00221 void ILI9328_LCD::SetPixelColor( unsigned int color, colordepth_t mode ) 00222 { 00223 unsigned char r, g, b; 00224 unsigned short clr; 00225 r = g = b = 0; 00226 if ( _colorDepth == RGB16 ) 00227 { 00228 switch ( mode ) 00229 { 00230 case RGB16: 00231 WriteData( color & 0xFFFF ); 00232 break; 00233 case RGB18: 00234 r = ( color >> 10 ) & 0xF8; 00235 g = ( color >> 4 ) & 0xFC; 00236 b = ( color >> 1 ) & 0x1F; 00237 clr = ( ( r | ( g >> 5 ) ) << 8 ) | ( ( g << 3 ) | b ); 00238 WriteData( clr ); 00239 break; 00240 case RGB24: 00241 r = ( color >> 16 ) & 0xF8; 00242 g = ( color >> 8 ) & 0xFC; 00243 b = color & 0xF8; 00244 clr = ( ( r | ( g >> 5 ) ) << 8 ) | ( ( g << 3 ) | ( b >> 3 ) ); 00245 WriteData( clr ); 00246 break; 00247 } 00248 } 00249 else if ( _colorDepth == RGB18 ) 00250 { 00251 switch ( mode ) 00252 { 00253 case RGB16: 00254 r = ( ( color >> 8 ) & 0xF8 ) | ( ( color & 0x8000 ) >> 13 ); 00255 g = ( color >> 3 ) & 0xFC; 00256 b = ( ( color << 3 ) & 0xFC ) | ( ( color >> 3 ) & 0x01 ); 00257 break; 00258 case RGB18: 00259 b = ( color << 2 ) & 0xFC; 00260 g = ( color >> 4 ) & 0xFC; 00261 r = ( color >> 10 ) & 0xFC; 00262 break; 00263 case RGB24: 00264 r = ( color >> 16 ) & 0xFC; 00265 g = ( color >> 8 ) & 0xFC; 00266 b = color & 0xFC; 00267 break; 00268 } 00269 clr = ( r << 8 ) | ( g << 2 ) | ( b >> 4 ); 00270 WriteData( clr ); 00271 WriteData( b << 4 ); 00272 } 00273 }
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