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: ili9325.cpp

Revision:
30:ede1a0a32e04
Parent:
29:060b167a46ba
--- a/ili9325.cpp	Mon Jun 30 17:29:42 2014 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,311 +0,0 @@
-/*
- * 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 "ili9325.h"
-#include "helpers.h"
-
-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( 10 );
-    _lcd_pin_reset = LOW;
-    wait_ms( 10 );
-    _lcd_pin_reset = HIGH;
-    wait_ms( 10 );
-    _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( 5 );
-    
-    Activate();
-    
-    short drivOut = 0;
-    short entryMod = 0;
-    short gateScan = 0x2700;
-    switch ( _orientation )
-    {
-        case LANDSCAPE:
-            drivOut = 0x0100;
-            entryMod |= 0x0038;
-            gateScan |= 0x0000;
-            break;
-            
-        case LANDSCAPE_REV:
-            drivOut = 0x0000;
-            entryMod |= 0x0038;
-            gateScan |= 0x8000;
-            break;
-            
-        case PORTRAIT_REV:
-            drivOut = 0x0000;
-            entryMod |= 0x0030;
-            gateScan |= 0x0000;
-            break;
-            
-        case PORTRAIT:
-        default:
-            drivOut = 0x0100;
-            entryMod |= 0x0030;
-            gateScan |= 0x8000;
-            break;
-    }
-    switch ( _colorDepth )
-    {
-        case RGB18:
-            entryMod |= 0x9000;
-            break;
-            
-        case RGB16:
-        default:
-            entryMod |= 0x1030;
-            break;
-    }
-    
-    //WriteCmdData( 0xE5, 0xFFFF ); // set SRAM internal timing
-    WriteCmdData( 0x0001,0x0100);//0x01, drivOut ); // set Driver Output Control
-    WriteCmdData( 0x0002,0x0700 ); // set 1 line inversion
-    WriteCmdData( 0x0003,entryMod );//0x03, entryMod ); // set GRAM write direction and BGR=1.
-    //WriteCmdData( 0x04, 0x0000 ); // Resize register
-    WriteCmdData( 0x0008,0x0302 ); // set the back porch and front porch
-    WriteCmdData( 0x0009,0x0000 ); // set non-display area refresh cycle ISC[3:0]
-    WriteCmdData( 0x000A,0x0008 ); // FMARK function
-    //WriteCmdData( 0x0C, 0x0000 ); // RGB interface setting
-    //WriteCmdData( 0x0D, 0x0000 ); // Frame marker Position
-    //WriteCmdData( 0x0F, 0x0000 ); // RGB interface polarity
-    // ----------- Power On sequence ----------- //
-    WriteCmdData( 0x0010,0x0790 ); // SAP, BT[3:0], AP, DSTB, SLP, STB
-    WriteCmdData( 0x0011,0x0005 ); // DC1[2:0], DC0[2:0], VC[2:0]
-    WriteCmdData( 0x0012,0x0000 ); // VREG1OUT voltage
-    WriteCmdData( 0x0013,0x000 ); // VDV[4:0] for VCOM amplitude
-    //WriteCmdData( 0x07, 0x0001 );
-    //wait_ms( 50 ); // Dis-charge capacitor power voltage
-    WriteCmdData( 0x0010,0x12B0 ); // SAP, BT[3:0], AP, DSTB, SLP, STB
-    WriteCmdData( 0x0011,0x0007 ); // Set DC1[2:0], DC0[2:0], VC[2:0]
-    //wait_ms( 50 ); // Delay 50ms
-    WriteCmdData( 0x0012,0x008C ); // 0012
-    //wait_ms( 50 ); // Delay 50ms
-    WriteCmdData( 0x0013,0x1700 ); // VDV[4:0] for VCOM amplitude
-    WriteCmdData( 0x0029,0x0022 ); // 04  VCM[5:0] for VCOMH
-    //WriteCmdData( 0x2B, 0x00FD ); // Set Frame Rate
-    //wait_ms( 50 ); // Delay 50ms
-    //WriteCmdData( 0x20, 0x0000 ); // GRAM horizontal Address
-    //WriteCmdData( 0x21, 0x0000 ); // GRAM Vertical Address
-    // ----------- Adjust the Gamma Curve ----------//
-    WriteCmdData( 0x0030,0x0000 );
-    WriteCmdData( 0x0031,0x0505 );
-    WriteCmdData( 0x0032,0x0205 );
-    WriteCmdData( 0x0035,0x0206 );
-    WriteCmdData( 0x0036,0x0408 );
-    WriteCmdData( 0x0037,0x0000 );
-    WriteCmdData( 0x0038,0x0504 );
-    WriteCmdData( 0x0039,0x0206 );
-    WriteCmdData( 0x003C,0x0206 );
-    WriteCmdData( 0x003D,0x0408 );
-    //------------------ Set GRAM area ---------------//
-    WriteCmdData( 0x50, 0x0000 ); // Horizontal GRAM Start Address
-    WriteCmdData( 0x51, 0x00EF ); // Horizontal GRAM End Address
-    WriteCmdData( 0x52, 0x0000 ); // Vertical GRAM Start Address
-    WriteCmdData( 0x53, 0x013F ); // Vertical GRAM Start Address
-    WriteCmdData( 0x60, gateScan ); // Gate Scan Line (0xA700)
-    WriteCmdData( 0x0061,0x0001 ); // NDL,VLE, REV
-    //WriteCmdData( 0x6A, 0x0000 ); // set scrolling line
-    //-------------- Partial Display Control ---------//
-    //WriteCmdData( 0x80, 0x0000 );
-    //WriteCmdData( 0x81, 0x0000 );
-    //WriteCmdData( 0x82, 0x0000 );
-    //WriteCmdData( 0x83, 0x0000 );
-    //WriteCmdData( 0x84, 0x0000 );
-    //WriteCmdData( 0x85, 0x0000 );
-    //-------------- Panel Control -------------------//
-    WriteCmdData( 0x90, 0x0033 ); 
-    //WriteCmdData( 0x92, 0x0000 );
-    WriteCmdData( 0x0007,0x0133 ); // 262K color and display ON
-    
-    Deactivate();
-}
-
-void ILI9328_LCD::Sleep( void )
-{
-    Activate();
-    WriteCmdData( 0x10, 0x1692 ); // enter sleep mode
-    wait_ms( 50 );
-    LCD::Sleep();
-    Deactivate();
-}
-
-void ILI9328_LCD::WakeUp( void )
-{
-    Activate();
-    WriteCmdData( 0x10, 0x1690 ); // exit sleep mode
-    wait_ms( 50 );
-    LCD::WakeUp();
-    Deactivate();
-}
-
-void ILI9328_LCD::WriteCmd( unsigned short cmd )
-{
-
-    unsigned short u,l;
-    u = (cmd>>8) & 0xFF;
-    l = cmd & 0xFF;
-
-//New
-    _lcd_pin_cs = LOW;
-//
-    _lcd_pin_rs = LOW;
-
-//New
-    *_lcd_pin_rd = HIGH;    
-    _lcd_pin_wr = HIGH;  
-//
-    _lcd_port->write( u );
-    pulseLow( _lcd_pin_wr );
-
-    _lcd_port->write( l );
-    pulseLow( _lcd_pin_wr );
-
-//New
-    _lcd_pin_cs = HIGH;
-//
-}
-
-void ILI9328_LCD::WriteData( unsigned short data )
-{
-    unsigned short u,l;
-    u = (data>>8) & 0xFF;
-    l = data & 0xFF;
-    
-//New
-    _lcd_pin_cs = LOW;
-//
-    _lcd_pin_rs = HIGH;
-//New
-    *_lcd_pin_rd = HIGH;    
-    _lcd_pin_wr = HIGH;  
-//
-    _lcd_port->write( u );
-    pulseLow( _lcd_pin_wr );
-
-    _lcd_port->write( l );
-    pulseLow( _lcd_pin_wr );
-
-//New
-    _lcd_pin_cs = HIGH;
-//
-}
-
-void ILI9328_LCD::SetXY( unsigned short x1, unsigned short y1, unsigned short x2, unsigned short y2 )
-{
-    switch ( _orientation )
-    {
-        case LANDSCAPE:
-        case LANDSCAPE_REV:
-            WriteCmdData( 0x20, y1 );
-            WriteCmdData( 0x21, x1 );
-            WriteCmdData( 0x50, y1 );
-            WriteCmdData( 0x52, x1 );
-            WriteCmdData( 0x51, y2 );
-            WriteCmdData( 0x53, x2 );
-            break;
-            
-        case PORTRAIT_REV:
-        case PORTRAIT:
-        default:
-            WriteCmdData( 0x20, x1 );
-            WriteCmdData( 0x21, y1 );
-            WriteCmdData( 0x50, x1 );
-            WriteCmdData( 0x52, y1 );
-            WriteCmdData( 0x51, x2 );
-            WriteCmdData( 0x53, y2 );
-            break;
-    }
-    WriteCmd( 0x22 );
-}
-
-void ILI9328_LCD::SetPixelColor( unsigned int color, colordepth_t mode )
-{
-    unsigned char r, g, b;
-    unsigned short clr;
-    r = g = b = 0;
-    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 );
-                break;
-            case RGB18:
-                b = ( color << 2 ) & 0xFC;
-                g = ( color >> 4 ) & 0xFC;
-                r = ( color >> 10 ) & 0xFC;
-                break;
-            case RGB24:
-                r = ( color >> 16 ) & 0xFC;
-                g = ( color >> 8 ) & 0xFC;
-                b = color & 0xFC;
-                break;
-        }
-        clr = ( r << 8 ) | ( g << 2 ) | ( b >> 4 );
-        WriteData( clr );
-        WriteData( b << 4 );
-    }
-}