Rune Langoy / mcufriend_24_tft_lcd

mcufriend 2.4 TFT LCD Shield Lib

Dependents:   Nucleo_LCD_mcufriend_test

Fork of 24_TFT_STMNUCLEO by Carlos Silva

mcufriend 2.4" TFT LCD Shield

front back

Import program
Nucleo_LCD_mcufriend_test - main.cpp

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: ssd1289.cpp

Revision:
30:ede1a0a32e04
Parent:
29:060b167a46ba
--- a/ssd1289.cpp	Mon Jun 30 17:29:42 2014 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,298 +0,0 @@
-/*
- * Copyright (C)2010-2012 Henning Karlsen. All right reserved.
- * Copyright (C)2012 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 "ssd1289.h"
-#include "helpers.h"
-
-SSD1289_LCD::SSD1289_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 SSD1289_LCD::Initialize( orientation_t orientation, colordepth_t colors )
-{
-    _orientation = orientation;
-    _colorDepth = colors;
-    
-    _lcd_pin_reset = HIGH;
-    wait_ms( 5 );
-    _lcd_pin_reset = LOW;
-    wait_ms( 15 );
-    _lcd_pin_reset = HIGH;
-    _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( 0x03, 0xA8A4 ); // power control
-    wait_ms( 1 );
-    WriteCmdData( 0x0C, 0x0000 ); // power control 2
-    wait_ms( 1 );
-    WriteCmdData( 0x0D, 0x080C ); // power control 3
-    wait_ms( 1 );
-    WriteCmdData( 0x0E, 0x2B00 ); // power control 4
-    wait_ms( 1 );
-    WriteCmdData( 0x1E, 0x00B7 ); // power control 5
-    wait_ms( 1 );
-    WriteCmdData( 0x02, 0x0600 ); // driving waveform control
-    wait_ms( 1 );
-    WriteCmdData( 0x10, 0x0000 ); // sleep mode: 0 = exit, 1 = enter
-    wait_ms( 1 );
-    if ( _colorDepth == RGB16 )
-    {
-        switch ( _orientation )
-        {
-            case LANDSCAPE: // works
-                WriteCmdData( 0x01, 0x293F ); // driver output control
-                wait_ms( 1 );
-                WriteCmdData( 0x11, 0x6078 ); // entry mode
-                break;
-                
-            case PORTRAIT_REV: // works
-                WriteCmdData( 0x01, 0x693F ); // driver output control
-                wait_ms( 1 );
-                WriteCmdData( 0x11, 0x6070 ); // entry mode
-                break;
-                
-            case LANDSCAPE_REV: // works
-                WriteCmdData( 0x01, 0x6B3F ); // driver output control
-                wait_ms( 1 );
-                WriteCmdData( 0x11, 0x6078 ); // entry mode
-                break;
-                
-            case PORTRAIT: // works
-            default:
-                WriteCmdData( 0x01, 0x2B3F ); // driver output control
-                wait_ms( 1 );
-                WriteCmdData( 0x11, 0x6070 ); // entry mode
-                break;
-        }
-    }
-    else if ( _colorDepth == RGB18 )
-    {
-        switch ( _orientation )
-        {
-            case LANDSCAPE: // works
-                WriteCmdData( 0x01, 0x293F ); // driver output control
-                wait_ms( 1 );
-                WriteCmdData( 0x11, 0x4078 ); // entry mode
-                break;
-                
-            case PORTRAIT_REV: // works
-                WriteCmdData( 0x01, 0x693F ); // driver output control
-                wait_ms( 1 );
-                WriteCmdData( 0x11, 0x4070 ); // entry mode
-                break;
-                
-            case LANDSCAPE_REV: // works
-                WriteCmdData( 0x01, 0x6B3F ); // driver output control
-                wait_ms( 1 );
-                WriteCmdData( 0x11, 0x4078 ); // entry mode
-                break;
-                
-            case PORTRAIT: // works
-            default:
-                WriteCmdData( 0x01, 0x2B3F ); // driver output control
-                wait_ms( 1 );
-                WriteCmdData( 0x11, 0x4070 ); // entry mode
-                break;
-        }
-    }
-    wait_ms( 1 );
-    WriteCmdData( 0x05, 0x0000 ); // compare register
-    wait_ms( 1 );
-    WriteCmdData( 0x06, 0x0000 ); // compare register
-    wait_ms( 1 );
-    WriteCmdData( 0x16, 0xEF1C ); // horizontal porch
-    wait_ms( 1 );
-    WriteCmdData( 0x17, 0x0003 ); // vertical porch
-    wait_ms( 1 );
-    WriteCmdData( 0x07, 0x0233 ); // display control
-    wait_ms( 1 );
-    WriteCmdData( 0x0B, 0x0000 ); // frame cycle control
-    wait_ms( 1 );
-    WriteCmdData( 0x0F, 0x0000 ); // gate scan position
-    wait_ms( 1 );
-    WriteCmdData( 0x41, 0x0000 ); // vertical scroll control
-    wait_ms( 1 );
-    WriteCmdData( 0x42, 0x0000 ); // vertical scroll control
-    wait_ms( 1 );
-    WriteCmdData( 0x48, 0x0000 ); // 1st screen driving position
-    wait_ms( 1 );
-    WriteCmdData( 0x49, 0x013F ); // 1st screen driving position
-    wait_ms( 1 );
-    WriteCmdData( 0x4A, 0x0000 ); // 2nd screen driving position
-    wait_ms( 1 );
-    WriteCmdData( 0x4B, 0x0000 ); // 2nd screen driving position
-    wait_ms( 1 );
-    WriteCmdData( 0x44, 0xEF00 ); // horizontal ram address position
-    wait_ms( 1 );
-    WriteCmdData( 0x45, 0x0000 ); // vertical ram address position
-    wait_ms( 1 );
-    WriteCmdData( 0x46, 0x013F ); // vertical ram address position
-    wait_ms( 1 );
-    WriteCmdData( 0x30, 0x0707 ); // gamma control
-    wait_ms( 1 );
-    WriteCmdData( 0x31, 0x0204 ); // gamma control
-    wait_ms( 1 );
-    WriteCmdData( 0x32, 0x0204 ); // gamma control
-    wait_ms( 1 );
-    WriteCmdData( 0x33, 0x0502 ); // gamma control
-    wait_ms( 1 );
-    WriteCmdData( 0x34, 0x0507 ); // gamma control
-    wait_ms( 1 );
-    WriteCmdData( 0x35, 0x0204 ); // gamma control
-    wait_ms( 1 );
-    WriteCmdData( 0x36, 0x0204 ); // gamma control
-    wait_ms( 1 );
-    WriteCmdData( 0x37, 0x0502 ); // gamma control
-    wait_ms( 1 );
-    WriteCmdData( 0x3A, 0x0302 ); // gamma control
-    wait_ms( 1 );
-    WriteCmdData( 0x3B, 0x0302 ); // gamma control
-    wait_ms( 1 );
-    WriteCmdData( 0x23, 0x0000 ); // GRAM write mask for red and green pins
-    wait_ms( 1 );
-    WriteCmdData( 0x24, 0x0000 ); // GRAM write mask for blue pins
-    wait_ms( 1 );
-    WriteCmdData( 0x25, 0x8000 ); // frame frequency control
-    wait_ms( 1 );
-    WriteCmdData( 0x4e, 0x0000 ); // ram address set
-    wait_ms( 1 );
-    WriteCmdData( 0x4f, 0x0000 ); // ram address set
-    wait_ms( 1 );
-    WriteCmd( 0x22 ); // write GRAM
-    Deactivate();
-}
-
-void SSD1289_LCD::Sleep( void )
-{
-    WriteCmdData( 0x10, 0x0001 ); // sleep mode: 0 = exit, 1 = enter
-    LCD::Sleep();
-}
-
-void SSD1289_LCD::WakeUp( void )
-{
-    WriteCmdData( 0x10, 0x0000 ); // sleep mode: 0 = exit, 1 = enter
-    LCD::WakeUp();
-}
-
-void SSD1289_LCD::WriteCmd( unsigned short cmd )
-{
-    _lcd_pin_rs = LOW;
-    _lcd_port->write( cmd );
-    pulseLow( _lcd_pin_wr );
-}
-
-void SSD1289_LCD::WriteData( unsigned short data )
-{
-    _lcd_pin_rs = HIGH;
-    _lcd_port->write( data );
-    pulseLow( _lcd_pin_wr );
-}
-
-void SSD1289_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 );
-    }
-    WriteCmd( 0x22 );
-}
-
-void SSD1289_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;
-        }
-    }
-}