mcufriend 2.4 TFT LCD Shield Lib
Dependents: Nucleo_LCD_mcufriend_test
Fork of 24_TFT_STMNUCLEO by
mcufriend 2.4" TFT LCD Shield
Import program
00001 #include "mbed.h" 00002 #include "ili9328.h" 00003 00004 // prepare the data bus for writing commands and pixel data 00005 BusOut dataBus( D8, D9, D2, D3, D4, D5, D6, D7 ); // 8 pins 00006 // create the lcd instance 00007 ILI9328_LCD lcd( A3, A4, A2,A1, &dataBus, NC, A0); // control pins and data bus 00008 //ILI9328_LCD( CS, RESET, RS, WR, BusOut* DATA_PORT, PinName BL = NC, RD ); 00009 00010 int main() 00011 { 00012 int ii,height,width; 00013 00014 height = lcd.GetHeight(); 00015 width = lcd.GetWidth(); 00016 // initialize display - place it in standard portrait mode and set background to black and 00017 // foreground to white color. 00018 lcd.Initialize(); 00019 00020 // print something on the screen 00021 lcd.Print( "Hello, World!", CENTER, 50); // align text to center horizontally and use starndard colors 00022 00023 wait(2); 00024 00025 lcd.ClearScreen(); 00026 00027 for(ii=0;ii<width;ii++) 00028 { 00029 lcd.DrawLine(0, 0, height, ii,COLOR_GREEN); 00030 ii = ii+10; 00031 } 00032 wait(2); 00033 00034 lcd.DrawCircle(height/4, width/4, 20, COLOR_GREEN); 00035 wait(2); 00036 00037 lcd.FillCircle(height/2, width/2, 50, COLOR_GREEN); 00038 wait(2); 00039 00040 lcd.FillTriangle(height/4, width/4,(height/4)+20, (width/4)+40,(height/4)-20, (width/4)+40, COLOR_RED); 00041 00042 while ( 1 ) { } 00043 }
HW information about the mcufriend LCD Shield
Diff: ili9328.cpp
- Revision:
- 23:eca4414196ca
- Child:
- 24:ac6e35658037
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/ili9328.cpp Thu Jun 13 03:47:51 2013 +0000 @@ -0,0 +1,263 @@ +/* + * Copyright (C)2010-2012 Henning Karlsen. All right reserved. + * Copyright (C)2012-2013 Todor Todorov. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to: + * + * Free Software Foundation, Inc. + * 51 Franklin St, 5th Floor, Boston, MA 02110-1301, USA + * + *********************************************************************/ +#include "ili9328.h" +#include "helpers.h" + +#define REG_START_OSC 0x00 + +#define REG_DRIV_OUT_CTRL 0x01 +#define REG_DRIV_WAV_CTRL 0x02 +#define REG_ENTRY_MOD 0x03 +#define REG_RESIZE_CTRL 0x04 +#define REG_DISP_CTRL1 0x07 +#define REG_DISP_CTRL2 0x08 +#define REG_DISP_CTRL3 0x09 +#define REG_DISP_CTRL4 0x0A +#define REG_RGB_DISP_IF_CTRL1 0x0C +#define REG_FRM_MARKER_POS 0x0D +#define REG_RGB_DISP_IF_CTRL2 0x0F +#define REG_PWR_CTRL1 0x10 +#define REG_PWR_CTRL2 0x11 +#define REG_PWR_CTRL3 0x12 +#define REG_PWR_CTRL4 0x13 +#define REG_GRAM_HORIZONTAL_ADDR 0x20 +#define REG_GRAM_VERTICAL_ADDR 0x21 +#define REG_GRAM_READWRITE 0x22 +#define REG_PWR_CTRL7 0x29 +#define REG_FRM_RATE_COL_CTRL 0x2B +#define REG_GAMMA_CTRL1 0x30 +#define REG_GAMMA_CTRL2 0x31 +#define REG_GAMMA_CTRL3 0x32 +#define REG_GAMMA_CTRL4 0x35 +#define REG_GAMMA_CTRL5 0x36 +#define REG_GAMMA_CTRL6 0x37 +#define REG_GAMMA_CTRL7 0x38 +#define REG_GAMMA_CTRL8 0x39 +#define REG_GAMMA_CTRL9 0x3C +#define REG_GAMMA_CTRL10 0x3D +#define REG_HORIZONTAL_START_ADDR 0x50 +#define REG_HORIZONTAL_END_ADDR 0x51 +#define REG_VERTICAL_START_ADDR 0x52 +#define REG_VERTICAL_END_ADDR 0x53 +#define REG_GATE_SCAN_CTRL1 0x60 +#define REG_GATE_SCAN_CTRL2 0x61 +#define REG_GATE_SCAN_CTRL3 0x6A +#define REG_PART_IMG1_DISP_POS 0x80 +#define REG_PART_IMG1_START_ADDR 0x81 +#define REG_PART_IMG1_END_ADDR 0x82 +#define REG_PART_IMG2_DISP_POS 0x83 +#define REG_PART_IMG2_START_ADDR 0x84 +#define REG_PART_IMG2_END_ADDR 0x85 +#define REG_PANEL_IF_CTRL1 0x90 +#define REG_PANEL_IF_CTRL2 0x92 +#define REG_PANEL_IF_CTRL3 0x93 +#define REG_PANEL_IF_CTRL4 0x95 +#define REG_PANEL_IF_CTRL5 0x97 +#define REG_PANEL_IF_CTRL6 0x98 + +ILI9328_LCD::ILI9328_LCD( PinName CS, PinName RESET, PinName RS, PinName WR, BusOut* DATA_PORT, PinName BL, PinName RD, backlight_t blType, float defaultBackLightLevel ) + : LCD( 240, 320, CS, RS, RESET, BL, blType, defaultBackLightLevel ), _lcd_pin_wr( WR ) +{ + _lcd_port = DATA_PORT; + if ( RD != NC ) _lcd_pin_rd = new DigitalOut( RD ); + else _lcd_pin_rd = 0; +} + +void ILI9328_LCD::Initialize( orientation_t orientation, colordepth_t colors ) +{ + _orientation = orientation; + _colorDepth = colors; + + _lcd_pin_reset = HIGH; + wait_ms( 50 ); + _lcd_pin_reset = LOW; + wait_ms( 100 ); + _lcd_pin_reset = HIGH; + wait_ms( 1000 ); + _lcd_pin_cs = HIGH; + if ( _lcd_pin_bl != 0 ) + *_lcd_pin_bl = HIGH; + else if ( _bl_pwm != 0 ) + *_bl_pwm = _bl_pwm_default; + if ( _lcd_pin_rd != 0 ) + *_lcd_pin_rd = HIGH; + _lcd_pin_wr = HIGH; + wait_ms( 15 ); + + Activate(); + //WriteCmdData( 0x00, 0x0001 ); // oscillator: 1 = on, 0 = off + //wait_ms( 1 ); + WriteCmdData( REG_DRIV_OUT_CTRL, 0x0100 ); // Driver Output Control Register (R01h) + WriteCmdData( REG_DRIV_WAV_CTRL, 0x0700 ); // LCD Driving Waveform Control (R02h) + WriteCmdData( REG_ENTRY_MOD, 0x1030 ); // Entry Mode (R03h) (BGR=on;ID1=on;ID2=on;AM=0) + WriteCmdData( REG_DISP_CTRL2, 0x0302 ); + WriteCmdData( REG_DISP_CTRL3, 0x0000 ); + WriteCmdData( REG_DISP_CTRL4, 0x0000 ); // Fmark On + WriteCmdData( REG_PWR_CTRL1, 0x0000 ); // Power Control 1 (R10h) + WriteCmdData( REG_PWR_CTRL2, 0x0007 ); // Power Control 2 (R11h) + WriteCmdData( REG_PWR_CTRL3, 0x0000 ); // Power Control 3 (R12h) + WriteCmdData( REG_PWR_CTRL4, 0x0000 ); // Power Control 4 (R13h) + wait_ms( 1000 ); + WriteCmdData( REG_PWR_CTRL1, 0x14B0 ); // Power Control 1 (R10h) + wait_ms( 500 ); + WriteCmdData( REG_PWR_CTRL2, 0x0007 ); // Power Control 2 (R11h) + wait_ms( 500 ); + WriteCmdData( REG_PWR_CTRL3, 0x008E ); // Power Control 3 (R12h) + WriteCmdData( REG_PWR_CTRL4, 0x0C00 ); // Power Control 4 (R13h) + WriteCmdData( REG_PWR_CTRL7, 0x0015 ); // NVM read data 2 (R29h) + wait_ms( 500 ); + WriteCmdData( REG_GAMMA_CTRL1, 0x0000 ); // Gamma Control 1 + WriteCmdData( REG_GAMMA_CTRL2, 0x0107 ); // Gamma Control 2 + WriteCmdData( REG_GAMMA_CTRL3, 0x0000 ); // Gamma Control 3 + WriteCmdData( REG_GAMMA_CTRL4, 0x0203 ); // Gamma Control 4 + WriteCmdData( REG_GAMMA_CTRL5, 0x0402 ); // Gamma Control 5 + WriteCmdData( REG_GAMMA_CTRL6, 0x0000 ); // Gamma Control 6 + WriteCmdData( REG_GAMMA_CTRL7, 0x0207 ); // Gamma Control 7 + WriteCmdData( REG_GAMMA_CTRL8, 0x0000 ); // Gamma Control 8 + WriteCmdData( REG_GAMMA_CTRL9, 0x0203 ); // Gamma Control 9 + WriteCmdData( REG_GAMMA_CTRL10, 0x0403 ); // Gamma Control 10 + WriteCmdData( REG_HORIZONTAL_START_ADDR, 0x0000 ); // Window Horizontal RAM Address Start (R50h) + WriteCmdData( REG_HORIZONTAL_END_ADDR, _disp_width - 1); // Window Horizontal RAM Address End (R51h) + WriteCmdData( REG_VERTICAL_START_ADDR, 0x0000 ); // Window Vertical RAM Address Start (R52h) + WriteCmdData( REG_VERTICAL_END_ADDR, _disp_height - 1); // Window Vertical RAM Address End (R53h) + WriteCmdData( REG_GATE_SCAN_CTRL1, 0xa700 ); // Driver Output Control (R60h) + WriteCmdData( REG_GATE_SCAN_CTRL2, 0x0003 ); // Driver Output Control (R61h) - enable VLE + WriteCmdData( REG_PANEL_IF_CTRL1, 0x0010 ); // Panel Interface Control 1 (R90h) + + // Display On + WriteCmdData( REG_DISP_CTRL1, 0x0133 ); // Display Control (R07h) + wait_ms( 500 ); + WriteCmd( REG_GRAM_READWRITE ); + + Deactivate(); +} + +void ILI9328_LCD::Sleep( void ) +{ + //WriteCmdData( 0x10, 0x0001 ); // sleep mode: 0 = exit, 1 = enter + LCD::Sleep(); +} + +void ILI9328_LCD::WakeUp( void ) +{ + //WriteCmdData( 0x10, 0x0000 ); // sleep mode: 0 = exit, 1 = enter + LCD::WakeUp(); +} + +void ILI9328_LCD::WriteCmd( unsigned short cmd ) +{ + _lcd_pin_rs = LOW; + _lcd_port->write( cmd ); + pulseLow( _lcd_pin_wr ); +} + +void ILI9328_LCD::WriteData( unsigned short data ) +{ + _lcd_pin_rs = HIGH; + _lcd_port->write( data ); + pulseLow( _lcd_pin_wr ); +} + +void ILI9328_LCD::SetXY( unsigned short x1, unsigned short y1, unsigned short x2, unsigned short y2 ) +{ + /* + if ( _orientation == PORTRAIT || _orientation == PORTRAIT_REV ) + { + WriteCmdData( 0x44, ( x2 << 8 ) + x1 ); + WriteCmdData( 0x45, y1 ); + WriteCmdData( 0x46, y2 ); + WriteCmdData( 0x4e, x1 ); + WriteCmdData( 0x4f, y1 ); + } + else + { + WriteCmdData( 0x44, ( y2 << 8 ) + y1 ); + WriteCmdData( 0x45, x1 ); + WriteCmdData( 0x46, x2 ); + WriteCmdData( 0x4e, y1 ); + WriteCmdData( 0x4f, x1 ); + } + */ + WriteCmdData( REG_HORIZONTAL_START_ADDR, x1 ); + WriteCmdData( REG_HORIZONTAL_END_ADDR, x2 ); + WriteCmdData( REG_VERTICAL_START_ADDR, y1 ); + WriteCmdData( REG_VERTICAL_END_ADDR, y2 ); + WriteCmdData( REG_GRAM_HORIZONTAL_ADDR, x1 ); + WriteCmdData( REG_GRAM_VERTICAL_ADDR, y1 ); + WriteCmd( 0x22 ); +} + +void ILI9328_LCD::SetPixelColor( unsigned int color, colordepth_t mode ) +{ + unsigned char r, g, b; + unsigned short clr; + if ( _colorDepth == RGB16 ) + { + switch ( mode ) + { + case RGB16: + WriteData( color & 0xFFFF ); + break; + case RGB18: + r = ( color >> 10 ) & 0xF8; + g = ( color >> 4 ) & 0xFC; + b = ( color >> 1 ) & 0x1F; + clr = ( ( r | ( g >> 5 ) ) << 8 ) | ( ( g << 3 ) | b ); + WriteData( clr ); + break; + case RGB24: + r = ( color >> 16 ) & 0xF8; + g = ( color >> 8 ) & 0xFC; + b = color & 0xF8; + clr = ( ( r | ( g >> 5 ) ) << 8 ) | ( ( g << 3 ) | ( b >> 3 ) ); + WriteData( clr ); + break; + } + } + else if ( _colorDepth == RGB18 ) + { + switch ( mode ) + { + case RGB16: + r = ( ( color >> 8 ) & 0xF8 ) | ( ( color & 0x8000 ) >> 13 ); + g = ( color >> 3 ) & 0xFC; + b = ( ( color << 3 ) & 0xFC ) | ( ( color >> 3 ) & 0x01 ); + WriteData( ( r << 8 ) | g ); + WriteData( b ); + break; + case RGB18: + b = ( color << 2 ) & 0xFC; + g = ( color >> 4 ) & 0xFC; + r = ( color >> 10 ) & 0xFC; + WriteData( ( r << 8 ) | g ); + WriteData( b ); + break; + case RGB24: + r = ( color >> 16 ) & 0xFC; + g = ( color >> 8 ) & 0xFC; + b = color & 0xFC; + WriteData( ( r << 8 ) | g ); + WriteData( b ); + break; + } + } +}