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

ssd1289.cpp

Committer:
ttodorov
Date:
2012-12-02
Revision:
4:3ac4239f6c9c
Parent:
3:64a5b67d5b51
Child:
10:69571adcfad5

File content as of revision 4:3ac4239f6c9c:

/*
 * 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 )
    : LCD( 240, 320, CS, RS, RESET ), _lcd_pin_wr( WR )
{
    _lcd_port = DATA_PORT;
    if ( BL != NC ) _lcd_pin_bl = new DigitalOut( BL );
    else _lcd_pin_bl = 0;
    if ( RD != NC ) _lcd_pin_rd = new DigitalOut( RD );
    else _lcd_pin_rd = 0;
}

void SSD1289_LCD::Initialize( orientation_t orientation )
{
    _orientation = orientation;
    
    _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;
    if ( _lcd_pin_rd != 0 )
        *_lcd_pin_rd = HIGH;
    _lcd_pin_wr = HIGH;
    wait_ms( 15 );
    
    Activate();
    WriteCmdData( 0x00, 0x0001 ); wait_ms( 1 );
    WriteCmdData( 0x03, 0xA8A4 ); wait_ms( 1 );
    WriteCmdData( 0x0C, 0x0000 ); wait_ms( 1 );
    WriteCmdData( 0x0D, 0x080C ); wait_ms( 1 );
    WriteCmdData( 0x0E, 0x2B00 ); wait_ms( 1 );
    WriteCmdData( 0x1E, 0x00B7 ); wait_ms( 1 );
    WriteCmdData( 0x01, 0x2B3F ); wait_ms( 1 );
    WriteCmdData( 0x02, 0x0600 ); wait_ms( 1 );
    WriteCmdData( 0x10, 0x0000 ); wait_ms( 1 );
    WriteCmdData( 0x11, 0x6070 ); wait_ms( 1 );
    WriteCmdData( 0x05, 0x0000 ); wait_ms( 1 );
    WriteCmdData( 0x06, 0x0000 ); wait_ms( 1 );
    WriteCmdData( 0x16, 0xEF1C ); wait_ms( 1 );
    WriteCmdData( 0x17, 0x0003 ); wait_ms( 1 );
    WriteCmdData( 0x07, 0x0233 ); wait_ms( 1 );
    WriteCmdData( 0x0B, 0x0000 ); wait_ms( 1 );
    WriteCmdData( 0x0F, 0x0000 ); wait_ms( 1 );
    WriteCmdData( 0x41, 0x0000 ); wait_ms( 1 );
    WriteCmdData( 0x42, 0x0000 ); wait_ms( 1 );
    WriteCmdData( 0x48, 0x0000 ); wait_ms( 1 );
    WriteCmdData( 0x49, 0x013F ); wait_ms( 1 );
    WriteCmdData( 0x4A, 0x0000 ); wait_ms( 1 );
    WriteCmdData( 0x4B, 0x0000 ); wait_ms( 1 );
    WriteCmdData( 0x44, 0xEF00 ); wait_ms( 1 );
    WriteCmdData( 0x45, 0x0000 ); wait_ms( 1 );
    WriteCmdData( 0x46, 0x013F ); wait_ms( 1 );
    WriteCmdData( 0x30, 0x0707 ); wait_ms( 1 );
    WriteCmdData( 0x31, 0x0204 ); wait_ms( 1 );
    WriteCmdData( 0x32, 0x0204 ); wait_ms( 1 );
    WriteCmdData( 0x33, 0x0502 ); wait_ms( 1 );
    WriteCmdData( 0x34, 0x0507 ); wait_ms( 1 );
    WriteCmdData( 0x35, 0x0204 ); wait_ms( 1 );
    WriteCmdData( 0x36, 0x0204 ); wait_ms( 1 );
    WriteCmdData( 0x37, 0x0502 ); wait_ms( 1 );
    WriteCmdData( 0x3A, 0x0302 ); wait_ms( 1 );
    WriteCmdData( 0x3B, 0x0302 ); wait_ms( 1 );
    WriteCmdData( 0x23, 0x0000 ); wait_ms( 1 );
    WriteCmdData( 0x24, 0x0000 ); wait_ms( 1 );
    WriteCmdData( 0x25, 0x8000 ); wait_ms( 1 );
    WriteCmdData( 0x4f, 0x0000 ); wait_ms( 1 );
    WriteCmdData( 0x4e, 0x0000 ); wait_ms( 1 );
    WriteCmd( 0x22 );
    Deactivate();
}

void SSD1289_LCD::Sleep( void )
{
    // TODO: figure out if the SSD1289 controller has sleep and wakeup commands
    if ( _lcd_pin_bl != 0 )
        *_lcd_pin_bl = LOW;
}

void SSD1289_LCD::WakeUp( void )
{
    // TODO: figure out if the SSD1289 controller has sleep and wakeup commands
    if ( _lcd_pin_bl != 0 )
        *_lcd_pin_bl = HIGH;
}

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( uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2 )
{
    if ( _orientation == LANDSCAPE )
    {
        swap( uint16_t, x1, y1 )
        swap( uint16_t, x2, y2 )
        y1 = _disp_height - y1;
        y2 = _disp_height - y2;
        swap( uint16_t, y1, y2 )
    }

    WriteCmdData( 0x44, ( x2 << 8 ) + x1 );
    WriteCmdData( 0x45, y1 );
    WriteCmdData( 0x46, y2 );
    WriteCmdData( 0x4e, x1 );
    WriteCmdData( 0x4f, y1 );
    WriteCmd( 0x22 );
}