![](/media/cache/img/default_profile.jpg.50x50_q85.jpg)
1.44 tft lcd display
Dependencies: TFT_fonts mbed-os
Fork of newTFTLCD by
st7735.cpp@29:35482446e4ee, 2018-10-04 (annotated)
- Committer:
- madhusudhana
- Date:
- Thu Oct 04 05:11:28 2018 +0000
- Revision:
- 29:35482446e4ee
- Parent:
- 28:6ac2fa56f82c
display
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
madhusudhana | 29:35482446e4ee | 1 | |
madhusudhana | 29:35482446e4ee | 2 | |
madhusudhana | 29:35482446e4ee | 3 | |
madhusudhana | 29:35482446e4ee | 4 | |
madhusudhana | 29:35482446e4ee | 5 | |
madhusudhana | 29:35482446e4ee | 6 | |
madhusudhana | 29:35482446e4ee | 7 | /* Hexiwear NXP Bitmap Images |
madhusudhana | 29:35482446e4ee | 8 | * This file contains the bitmaps for the full screen (96 by 96 pixels) NXP logo |
madhusudhana | 29:35482446e4ee | 9 | * and a smaller 96 by 32 pixels NXP logo. |
madhusudhana | 29:35482446e4ee | 10 | * |
madhusudhana | 29:35482446e4ee | 11 | * Redistribution and use in source and binary forms, with or without modification, |
madhusudhana | 29:35482446e4ee | 12 | * are permitted provided that the following conditions are met: |
madhusudhana | 29:35482446e4ee | 13 | * |
madhusudhana | 29:35482446e4ee | 14 | * Redistributions of source code must retain the above copyright notice, this list |
madhusudhana | 29:35482446e4ee | 15 | * of conditions and the following disclaimer. |
madhusudhana | 29:35482446e4ee | 16 | * |
madhusudhana | 29:35482446e4ee | 17 | * Redistributions in binary form must reproduce the above copyright notice, this |
madhusudhana | 29:35482446e4ee | 18 | * list of conditions and the following disclaimer in the documentation and/or |
madhusudhana | 29:35482446e4ee | 19 | * other materials provided with the distribution. |
madhusudhana | 29:35482446e4ee | 20 | * |
madhusudhana | 29:35482446e4ee | 21 | * Neither the name of NXP, nor the names of its |
madhusudhana | 29:35482446e4ee | 22 | * contributors may be used to endorse or promote products derived from this |
madhusudhana | 29:35482446e4ee | 23 | * software without specific prior written permission. |
madhusudhana | 29:35482446e4ee | 24 | * |
madhusudhana | 29:35482446e4ee | 25 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND |
madhusudhana | 29:35482446e4ee | 26 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
madhusudhana | 29:35482446e4ee | 27 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
madhusudhana | 29:35482446e4ee | 28 | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR |
madhusudhana | 29:35482446e4ee | 29 | * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
madhusudhana | 29:35482446e4ee | 30 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
madhusudhana | 29:35482446e4ee | 31 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON |
madhusudhana | 29:35482446e4ee | 32 | * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
madhusudhana | 29:35482446e4ee | 33 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
madhusudhana | 29:35482446e4ee | 34 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
madhusudhana | 29:35482446e4ee | 35 | * |
madhusudhana | 29:35482446e4ee | 36 | * visit: http://www.mikroe.com and http://www.nxp.com |
madhusudhana | 29:35482446e4ee | 37 | * |
madhusudhana | 29:35482446e4ee | 38 | * get support at: http://www.mikroe.com/forum and https://community.nxp.com |
madhusudhana | 29:35482446e4ee | 39 | * |
madhusudhana | 29:35482446e4ee | 40 | * Project HEXIWEAR, 2015 |
madhusudhana | 29:35482446e4ee | 41 | */ |
madhusudhana | 29:35482446e4ee | 42 | |
ttodorov | 9:58b328831d0a | 43 | /* |
ttodorov | 9:58b328831d0a | 44 | * Copyright (C)2010-2012 Henning Karlsen. All right reserved. |
ttodorov | 9:58b328831d0a | 45 | * Copyright (C)2012 Todor Todorov. |
ttodorov | 9:58b328831d0a | 46 | * |
ttodorov | 9:58b328831d0a | 47 | * This library is free software; you can redistribute it and/or |
ttodorov | 9:58b328831d0a | 48 | * modify it under the terms of the GNU Lesser General Public |
ttodorov | 9:58b328831d0a | 49 | * License as published by the Free Software Foundation; either |
ttodorov | 9:58b328831d0a | 50 | * version 2.1 of the License, or (at your option) any later version. |
ttodorov | 9:58b328831d0a | 51 | * |
ttodorov | 9:58b328831d0a | 52 | * This library is distributed in the hope that it will be useful, |
ttodorov | 9:58b328831d0a | 53 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
ttodorov | 9:58b328831d0a | 54 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
ttodorov | 9:58b328831d0a | 55 | * Lesser General Public License for more details. |
ttodorov | 9:58b328831d0a | 56 | * |
ttodorov | 9:58b328831d0a | 57 | * You should have received a copy of the GNU Lesser General Public |
ttodorov | 9:58b328831d0a | 58 | * License along with this library; if not, write to: |
ttodorov | 9:58b328831d0a | 59 | * |
ttodorov | 9:58b328831d0a | 60 | * Free Software Foundation, Inc. |
ttodorov | 9:58b328831d0a | 61 | * 51 Franklin St, 5th Floor, Boston, MA 02110-1301, USA |
ttodorov | 9:58b328831d0a | 62 | * |
ttodorov | 9:58b328831d0a | 63 | *********************************************************************/ |
ttodorov | 9:58b328831d0a | 64 | #include "st7735.h" |
ttodorov | 9:58b328831d0a | 65 | #include "helpers.h" |
ttodorov | 9:58b328831d0a | 66 | |
ttodorov | 22:4c169297f374 | 67 | ST7735_LCD::ST7735_LCD( PinName CS, PinName RESET, PinName RS, PinName SCL, PinName SDA, PinName BL, backlight_t blType, float defaultBackLightLevel ) |
ttodorov | 22:4c169297f374 | 68 | : LCD( 128, 160, CS, RS, RESET, BL, blType, defaultBackLightLevel ), _lcd_pin_scl( SCL ), _lcd_pin_sda( SDA ) |
ttodorov | 9:58b328831d0a | 69 | { |
ttodorov | 9:58b328831d0a | 70 | } |
ttodorov | 9:58b328831d0a | 71 | |
ttodorov | 12:d0978272a340 | 72 | void ST7735_LCD::Initialize( orientation_t orientation, colordepth_t colors ) |
ttodorov | 9:58b328831d0a | 73 | { |
ttodorov | 9:58b328831d0a | 74 | _orientation = orientation; |
ttodorov | 12:d0978272a340 | 75 | _colorDepth = colors; |
ttodorov | 9:58b328831d0a | 76 | |
ttodorov | 9:58b328831d0a | 77 | wait_ms( 100 ); |
ttodorov | 9:58b328831d0a | 78 | _lcd_pin_reset = HIGH; |
ttodorov | 9:58b328831d0a | 79 | wait_ms( 5 ); |
ttodorov | 9:58b328831d0a | 80 | _lcd_pin_reset = LOW; |
ttodorov | 9:58b328831d0a | 81 | wait_ms( 15 ); |
ttodorov | 9:58b328831d0a | 82 | _lcd_pin_reset = HIGH; |
ttodorov | 9:58b328831d0a | 83 | _lcd_pin_cs = HIGH; |
ttodorov | 9:58b328831d0a | 84 | _lcd_pin_rs = HIGH; |
ttodorov | 9:58b328831d0a | 85 | _lcd_pin_scl = HIGH; |
ttodorov | 9:58b328831d0a | 86 | _lcd_pin_sda = HIGH; |
ttodorov | 9:58b328831d0a | 87 | if ( _lcd_pin_bl != 0 ) |
ttodorov | 9:58b328831d0a | 88 | *_lcd_pin_bl = HIGH; |
ttodorov | 22:4c169297f374 | 89 | else if ( _bl_pwm != 0 ) |
ttodorov | 22:4c169297f374 | 90 | *_bl_pwm = _bl_pwm_default; |
ttodorov | 9:58b328831d0a | 91 | wait_ms( 55 ); |
ttodorov | 9:58b328831d0a | 92 | |
ttodorov | 9:58b328831d0a | 93 | Activate(); |
ttodorov | 9:58b328831d0a | 94 | WriteCmd( 0x01 ); // SW reset |
ttodorov | 9:58b328831d0a | 95 | wait_ms( 120 ); |
ttodorov | 9:58b328831d0a | 96 | |
ttodorov | 9:58b328831d0a | 97 | WriteCmd( 0x11 ); // sleep out |
ttodorov | 9:58b328831d0a | 98 | wait_ms( 120 ); |
ttodorov | 9:58b328831d0a | 99 | |
ttodorov | 9:58b328831d0a | 100 | WriteCmd( 0xB1 ); // frame control 1 |
ttodorov | 9:58b328831d0a | 101 | WriteByteData( 0x01 ); |
ttodorov | 9:58b328831d0a | 102 | WriteByteData( 0x2C ); |
ttodorov | 9:58b328831d0a | 103 | WriteByteData( 0x2D ); |
ttodorov | 14:8efbe7361dae | 104 | |
ttodorov | 9:58b328831d0a | 105 | WriteCmd( 0xB2 ); // frame control 2 |
ttodorov | 9:58b328831d0a | 106 | WriteByteData( 0x01 ); |
ttodorov | 9:58b328831d0a | 107 | WriteByteData( 0x2C ); |
ttodorov | 9:58b328831d0a | 108 | WriteByteData( 0x2D ); |
ttodorov | 14:8efbe7361dae | 109 | |
ttodorov | 9:58b328831d0a | 110 | WriteCmd( 0xB3 ); // frame control 3 |
ttodorov | 9:58b328831d0a | 111 | WriteByteData( 0x01 ); |
ttodorov | 9:58b328831d0a | 112 | WriteByteData( 0x2C ); |
ttodorov | 9:58b328831d0a | 113 | WriteByteData( 0x2D ); |
ttodorov | 9:58b328831d0a | 114 | WriteByteData( 0x01 ); |
ttodorov | 9:58b328831d0a | 115 | WriteByteData( 0x2C ); |
ttodorov | 9:58b328831d0a | 116 | WriteByteData( 0x2D ); |
ttodorov | 9:58b328831d0a | 117 | |
ttodorov | 9:58b328831d0a | 118 | WriteCmd( 0xB4 ); // column inversion |
ttodorov | 14:8efbe7361dae | 119 | //WriteByteData( 0x07 ); |
ttodorov | 14:8efbe7361dae | 120 | WriteByteData( 0x00 ); |
ttodorov | 9:58b328831d0a | 121 | |
ttodorov | 9:58b328831d0a | 122 | // ST7735R Power Sequence |
ttodorov | 9:58b328831d0a | 123 | WriteCmd( 0xC0 ); // power control 1 |
ttodorov | 9:58b328831d0a | 124 | WriteByteData( 0xA2 ); |
ttodorov | 9:58b328831d0a | 125 | WriteByteData( 0x02 ); |
ttodorov | 9:58b328831d0a | 126 | WriteByteData( 0x84 ); |
ttodorov | 14:8efbe7361dae | 127 | |
ttodorov | 9:58b328831d0a | 128 | WriteCmd( 0xC1 ); // power control 2 |
ttodorov | 9:58b328831d0a | 129 | WriteByteData( 0xC5 ); |
ttodorov | 14:8efbe7361dae | 130 | |
ttodorov | 9:58b328831d0a | 131 | WriteCmd( 0xC2 ); // power control 3 |
ttodorov | 9:58b328831d0a | 132 | WriteByteData( 0x0A ); |
ttodorov | 9:58b328831d0a | 133 | WriteByteData( 0x00 ); |
ttodorov | 14:8efbe7361dae | 134 | |
ttodorov | 9:58b328831d0a | 135 | WriteCmd( 0xC3 ); // power control 4 |
ttodorov | 9:58b328831d0a | 136 | WriteByteData( 0x8A ); |
ttodorov | 9:58b328831d0a | 137 | WriteByteData( 0x2A ); |
ttodorov | 14:8efbe7361dae | 138 | |
ttodorov | 9:58b328831d0a | 139 | WriteCmd( 0xC4 ); // power control 5 |
ttodorov | 9:58b328831d0a | 140 | WriteByteData( 0x8A ); |
ttodorov | 9:58b328831d0a | 141 | WriteByteData( 0xEE ); |
ttodorov | 9:58b328831d0a | 142 | |
ttodorov | 9:58b328831d0a | 143 | WriteCmd( 0xC5 ); // voltage control 1 |
ttodorov | 9:58b328831d0a | 144 | WriteByteData( 0x0E ); |
ttodorov | 9:58b328831d0a | 145 | |
ttodorov | 9:58b328831d0a | 146 | // ST7735R Gamma Sequence |
ttodorov | 9:58b328831d0a | 147 | WriteCmd( 0xE0 ); // gamma positive |
ttodorov | 9:58b328831d0a | 148 | WriteByteData( 0x0F ); |
ttodorov | 9:58b328831d0a | 149 | WriteByteData( 0x1A ); |
ttodorov | 9:58b328831d0a | 150 | WriteByteData( 0x0F ); |
ttodorov | 9:58b328831d0a | 151 | WriteByteData( 0x18 ); |
ttodorov | 9:58b328831d0a | 152 | WriteByteData( 0x2F ); |
ttodorov | 9:58b328831d0a | 153 | WriteByteData( 0x28 ); |
ttodorov | 9:58b328831d0a | 154 | WriteByteData( 0x20 ); |
ttodorov | 9:58b328831d0a | 155 | WriteByteData( 0x22 ); |
ttodorov | 9:58b328831d0a | 156 | WriteByteData( 0x1F ); |
ttodorov | 9:58b328831d0a | 157 | WriteByteData( 0x1B ); |
ttodorov | 9:58b328831d0a | 158 | WriteByteData( 0x23 ); |
ttodorov | 9:58b328831d0a | 159 | WriteByteData( 0x37 ); |
ttodorov | 9:58b328831d0a | 160 | WriteByteData( 0x00 ); |
ttodorov | 9:58b328831d0a | 161 | WriteByteData( 0x07 ); |
ttodorov | 9:58b328831d0a | 162 | WriteByteData( 0x02 ); |
ttodorov | 9:58b328831d0a | 163 | WriteByteData( 0x10 ); |
ttodorov | 14:8efbe7361dae | 164 | |
ttodorov | 9:58b328831d0a | 165 | WriteCmd( 0xE1 ); // gamma negative |
ttodorov | 9:58b328831d0a | 166 | WriteByteData( 0x0F ); |
ttodorov | 9:58b328831d0a | 167 | WriteByteData( 0x1B ); |
ttodorov | 9:58b328831d0a | 168 | WriteByteData( 0x0F ); |
ttodorov | 9:58b328831d0a | 169 | WriteByteData( 0x17 ); |
ttodorov | 9:58b328831d0a | 170 | WriteByteData( 0x33 ); |
ttodorov | 9:58b328831d0a | 171 | WriteByteData( 0x2C ); |
ttodorov | 9:58b328831d0a | 172 | WriteByteData( 0x29 ); |
ttodorov | 9:58b328831d0a | 173 | WriteByteData( 0x2E ); |
ttodorov | 9:58b328831d0a | 174 | WriteByteData( 0x30 ); |
ttodorov | 9:58b328831d0a | 175 | WriteByteData( 0x30 ); |
ttodorov | 9:58b328831d0a | 176 | WriteByteData( 0x39 ); |
ttodorov | 9:58b328831d0a | 177 | WriteByteData( 0x3F ); |
ttodorov | 9:58b328831d0a | 178 | WriteByteData( 0x00 ); |
ttodorov | 9:58b328831d0a | 179 | WriteByteData( 0x07 ); |
ttodorov | 9:58b328831d0a | 180 | WriteByteData( 0x03 ); |
ttodorov | 9:58b328831d0a | 181 | WriteByteData( 0x10 ); |
ttodorov | 9:58b328831d0a | 182 | |
ttodorov | 9:58b328831d0a | 183 | WriteCmd( 0x2A ); // set column address |
ttodorov | 9:58b328831d0a | 184 | WriteByteData( 0x00 ); |
ttodorov | 9:58b328831d0a | 185 | WriteByteData( 0x00 ); |
ttodorov | 9:58b328831d0a | 186 | WriteByteData( 0x00 ); |
ttodorov | 9:58b328831d0a | 187 | WriteByteData( 0x7F ); |
ttodorov | 14:8efbe7361dae | 188 | |
ttodorov | 9:58b328831d0a | 189 | WriteCmd( 0x2B ); // set row address |
ttodorov | 9:58b328831d0a | 190 | WriteByteData( 0x00 ); |
ttodorov | 9:58b328831d0a | 191 | WriteByteData( 0x00 ); |
ttodorov | 9:58b328831d0a | 192 | WriteByteData( 0x00 ); |
ttodorov | 9:58b328831d0a | 193 | WriteByteData( 0x9F ); |
ttodorov | 9:58b328831d0a | 194 | |
ttodorov | 9:58b328831d0a | 195 | WriteCmd( 0xF0 ); // enable extensions command |
ttodorov | 9:58b328831d0a | 196 | WriteByteData( 0x01 ); |
ttodorov | 14:8efbe7361dae | 197 | |
ttodorov | 9:58b328831d0a | 198 | WriteCmd( 0xF6 ); // disable ram power save mode |
ttodorov | 9:58b328831d0a | 199 | WriteByteData( 0x00 ); |
ttodorov | 9:58b328831d0a | 200 | |
ttodorov | 12:d0978272a340 | 201 | WriteCmd( 0x3A ); // interface pixel format (color mode): 0x05 => RGB16, 0x06 => RGB18 |
ttodorov | 12:d0978272a340 | 202 | WriteByteData( _colorDepth == RGB16 ? 0x05 : 0x06 ); |
ttodorov | 14:8efbe7361dae | 203 | |
ttodorov | 14:8efbe7361dae | 204 | WriteCmd( 0x36 ); //MX, MY, RGB mode |
ttodorov | 14:8efbe7361dae | 205 | switch ( _orientation ) |
ttodorov | 14:8efbe7361dae | 206 | { |
ttodorov | 20:4bdca8d8dadc | 207 | case LANDSCAPE: WriteByteData( 0x6C ); break; |
ttodorov | 14:8efbe7361dae | 208 | case PORTRAIT_REV: WriteByteData( 0xDC ); break; |
ttodorov | 20:4bdca8d8dadc | 209 | case LANDSCAPE_REV: WriteByteData( 0xB8 ); break; |
ttodorov | 14:8efbe7361dae | 210 | case PORTRAIT: |
ttodorov | 14:8efbe7361dae | 211 | default: WriteByteData( 0x08 ); break; |
ttodorov | 14:8efbe7361dae | 212 | } |
ttodorov | 14:8efbe7361dae | 213 | |
ttodorov | 9:58b328831d0a | 214 | WriteCmd( 0x29 ); // display on |
ttodorov | 9:58b328831d0a | 215 | |
ttodorov | 9:58b328831d0a | 216 | Deactivate(); |
ttodorov | 9:58b328831d0a | 217 | } |
ttodorov | 9:58b328831d0a | 218 | |
ttodorov | 9:58b328831d0a | 219 | void ST7735_LCD::Sleep( void ) |
ttodorov | 9:58b328831d0a | 220 | { |
ttodorov | 9:58b328831d0a | 221 | Activate(); |
ttodorov | 9:58b328831d0a | 222 | WriteCmd( 0x28 ); |
ttodorov | 9:58b328831d0a | 223 | wait_ms( 10 ); |
ttodorov | 9:58b328831d0a | 224 | WriteCmd( 0x10 ); |
ttodorov | 9:58b328831d0a | 225 | wait_ms( 125 ); |
ttodorov | 22:4c169297f374 | 226 | LCD::Sleep(); |
ttodorov | 9:58b328831d0a | 227 | Deactivate(); |
ttodorov | 9:58b328831d0a | 228 | } |
ttodorov | 9:58b328831d0a | 229 | |
ttodorov | 9:58b328831d0a | 230 | void ST7735_LCD::WakeUp( void ) |
ttodorov | 9:58b328831d0a | 231 | { |
ttodorov | 9:58b328831d0a | 232 | Activate(); |
ttodorov | 9:58b328831d0a | 233 | WriteCmd( 0x29 ); |
ttodorov | 9:58b328831d0a | 234 | wait_ms( 10 ); |
ttodorov | 9:58b328831d0a | 235 | WriteCmd( 0x11 ); |
ttodorov | 9:58b328831d0a | 236 | wait_ms( 125 ); |
ttodorov | 22:4c169297f374 | 237 | LCD::WakeUp(); |
ttodorov | 9:58b328831d0a | 238 | Deactivate(); |
ttodorov | 9:58b328831d0a | 239 | } |
ttodorov | 9:58b328831d0a | 240 | |
ttodorov | 9:58b328831d0a | 241 | void ST7735_LCD::WriteCmd( unsigned short cmd ) |
ttodorov | 9:58b328831d0a | 242 | { |
ttodorov | 9:58b328831d0a | 243 | _lcd_pin_rs = LOW; |
ttodorov | 9:58b328831d0a | 244 | serializeByte( cmd & 0xFF ); |
ttodorov | 9:58b328831d0a | 245 | } |
ttodorov | 9:58b328831d0a | 246 | |
ttodorov | 9:58b328831d0a | 247 | void ST7735_LCD::WriteData( unsigned short data ) |
ttodorov | 9:58b328831d0a | 248 | { |
ttodorov | 9:58b328831d0a | 249 | _lcd_pin_rs = HIGH; |
ttodorov | 9:58b328831d0a | 250 | serializeByte( ( data >> 8 ) & 0xFF ); |
ttodorov | 9:58b328831d0a | 251 | serializeByte( data & 0xFF ); |
ttodorov | 9:58b328831d0a | 252 | } |
ttodorov | 9:58b328831d0a | 253 | |
ttodorov | 9:58b328831d0a | 254 | void ST7735_LCD::WriteByteData( unsigned char data ) |
ttodorov | 9:58b328831d0a | 255 | { |
ttodorov | 9:58b328831d0a | 256 | _lcd_pin_rs = HIGH; |
ttodorov | 9:58b328831d0a | 257 | serializeByte( data ); |
ttodorov | 9:58b328831d0a | 258 | } |
ttodorov | 9:58b328831d0a | 259 | |
ttodorov | 20:4bdca8d8dadc | 260 | void ST7735_LCD::SetXY( unsigned short x1, unsigned short y1, unsigned short x2, unsigned short y2 ) |
ttodorov | 9:58b328831d0a | 261 | { |
ttodorov | 9:58b328831d0a | 262 | WriteCmdData( 0x2a, x1 ); |
ttodorov | 9:58b328831d0a | 263 | WriteData( x2 ); |
ttodorov | 9:58b328831d0a | 264 | WriteCmdData( 0x2b, y1 ); |
ttodorov | 9:58b328831d0a | 265 | WriteData( y2 ); |
ttodorov | 9:58b328831d0a | 266 | WriteCmd( 0x2c ); |
ttodorov | 9:58b328831d0a | 267 | } |
ttodorov | 9:58b328831d0a | 268 | |
ttodorov | 20:4bdca8d8dadc | 269 | void ST7735_LCD::SetPixelColor( unsigned int color, colordepth_t mode ) |
ttodorov | 10:69571adcfad5 | 270 | { |
ttodorov | 20:4bdca8d8dadc | 271 | unsigned char r = 0, g = 0, b = 0; |
ttodorov | 20:4bdca8d8dadc | 272 | unsigned short clr; |
ttodorov | 12:d0978272a340 | 273 | if ( _colorDepth == RGB16 ) |
ttodorov | 12:d0978272a340 | 274 | { |
ttodorov | 20:4bdca8d8dadc | 275 | switch ( mode ) |
ttodorov | 20:4bdca8d8dadc | 276 | { |
ttodorov | 20:4bdca8d8dadc | 277 | case RGB16: |
ttodorov | 20:4bdca8d8dadc | 278 | WriteData( color & 0xFFFF ); |
ttodorov | 20:4bdca8d8dadc | 279 | break; |
ttodorov | 20:4bdca8d8dadc | 280 | case RGB18: |
ttodorov | 20:4bdca8d8dadc | 281 | r = ( color >> 10 ) & 0xF8; |
ttodorov | 20:4bdca8d8dadc | 282 | g = ( color >> 4 ) & 0xFC; |
ttodorov | 20:4bdca8d8dadc | 283 | b = ( color >> 1 ) & 0x1F; |
ttodorov | 20:4bdca8d8dadc | 284 | clr = ( ( r | ( g >> 5 ) ) << 8 ) | ( ( g << 3 ) | b ); |
ttodorov | 20:4bdca8d8dadc | 285 | WriteData( clr ); |
ttodorov | 20:4bdca8d8dadc | 286 | break; |
ttodorov | 20:4bdca8d8dadc | 287 | case RGB24: |
ttodorov | 20:4bdca8d8dadc | 288 | r = ( color >> 16 ) & 0xF8; |
ttodorov | 20:4bdca8d8dadc | 289 | g = ( color >> 8 ) & 0xFC; |
ttodorov | 20:4bdca8d8dadc | 290 | b = color & 0xF8; |
ttodorov | 20:4bdca8d8dadc | 291 | clr = ( ( r | ( g >> 5 ) ) << 8 ) | ( ( g << 3 ) | ( b >> 3 ) ); |
ttodorov | 20:4bdca8d8dadc | 292 | WriteData( clr ); |
ttodorov | 20:4bdca8d8dadc | 293 | break; |
ttodorov | 20:4bdca8d8dadc | 294 | } |
ttodorov | 12:d0978272a340 | 295 | } |
ttodorov | 15:af3cd35886fb | 296 | else if ( _colorDepth == RGB18 ) |
ttodorov | 12:d0978272a340 | 297 | { |
ttodorov | 20:4bdca8d8dadc | 298 | switch ( mode ) |
ttodorov | 20:4bdca8d8dadc | 299 | { |
ttodorov | 20:4bdca8d8dadc | 300 | case RGB16: |
ttodorov | 20:4bdca8d8dadc | 301 | r = ( ( color >> 8 ) & 0xF8 ) | ( ( color & 0x8000 ) >> 13 ); |
ttodorov | 20:4bdca8d8dadc | 302 | g = ( color >> 3 ) & 0xFC; |
ttodorov | 20:4bdca8d8dadc | 303 | b = ( ( color << 3 ) & 0xFC ) | ( ( color >> 3 ) & 0x01 ); |
ttodorov | 20:4bdca8d8dadc | 304 | break; |
ttodorov | 20:4bdca8d8dadc | 305 | case RGB18: |
ttodorov | 20:4bdca8d8dadc | 306 | b = ( color << 2 ) & 0xFC; |
ttodorov | 20:4bdca8d8dadc | 307 | g = ( color >> 4 ) & 0xFC; |
ttodorov | 20:4bdca8d8dadc | 308 | r = ( color >> 10 ) & 0xFC; |
ttodorov | 20:4bdca8d8dadc | 309 | break; |
ttodorov | 20:4bdca8d8dadc | 310 | case RGB24: |
ttodorov | 20:4bdca8d8dadc | 311 | r = ( color >> 16 ) & 0xFC; |
ttodorov | 20:4bdca8d8dadc | 312 | g = ( color >> 8 ) & 0xFC; |
ttodorov | 20:4bdca8d8dadc | 313 | b = color & 0xFC; |
ttodorov | 20:4bdca8d8dadc | 314 | break; |
ttodorov | 20:4bdca8d8dadc | 315 | } |
ttodorov | 20:4bdca8d8dadc | 316 | WriteByteData( r ); |
ttodorov | 20:4bdca8d8dadc | 317 | WriteByteData( g ); |
ttodorov | 20:4bdca8d8dadc | 318 | WriteByteData( b ); |
ttodorov | 12:d0978272a340 | 319 | } |
ttodorov | 10:69571adcfad5 | 320 | } |
ttodorov | 10:69571adcfad5 | 321 | |
ttodorov | 9:58b328831d0a | 322 | void ST7735_LCD::serializeByte( unsigned char data ) |
ttodorov | 9:58b328831d0a | 323 | { |
ttodorov | 9:58b328831d0a | 324 | for ( int i = 0; i < 8; i++ ) |
ttodorov | 9:58b328831d0a | 325 | { |
ttodorov | 9:58b328831d0a | 326 | if ( data & 0x80 ) _lcd_pin_sda = HIGH; |
ttodorov | 9:58b328831d0a | 327 | else _lcd_pin_sda = LOW; |
ttodorov | 9:58b328831d0a | 328 | pulseLow( _lcd_pin_scl ); |
ttodorov | 9:58b328831d0a | 329 | data = data << 1; |
ttodorov | 9:58b328831d0a | 330 | } |
ttodorov | 9:58b328831d0a | 331 | } |
madhusudhana | 28:6ac2fa56f82c | 332 |