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:
4:3ac4239f6c9c
Parent:
3:64a5b67d5b51
Child:
10:69571adcfad5
--- a/ssd1289.cpp	Sun Dec 02 01:44:23 2012 +0000
+++ b/ssd1289.cpp	Sun Dec 02 05:44:52 2012 +0000
@@ -22,21 +22,17 @@
 #include "ssd1289.h"
 #include "helpers.h"
 
-SSD1289LCD::SSD1289LCD( PinName CS, PinName RESET, PinName RS, PinName WR, BusOut* DATA_PORT, PinName RD )
-    : LCD( 240, 320, CS, RS ), _lcd_pin_reset( RESET ), _lcd_pin_wr( WR )
+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 ( RD != NC )
-        _lcd_pin_rd = new DigitalOut( RD );
-    else
-        _lcd_pin_rd = 0;
-    
-    SetForeground();
-    SetBackground();
-    _font.font = 0;
+    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 SSD1289LCD::Initialize( orientation_t orientation )
+void SSD1289_LCD::Initialize( orientation_t orientation )
 {
     _orientation = orientation;
     
@@ -46,12 +42,14 @@
     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 );
@@ -94,27 +92,38 @@
     WriteCmdData( 0x4f, 0x0000 ); wait_ms( 1 );
     WriteCmdData( 0x4e, 0x0000 ); wait_ms( 1 );
     WriteCmd( 0x22 );
+    Deactivate();
 }
 
-void SSD1289LCD::WriteCmd( unsigned short cmd )
+void SSD1289_LCD::Sleep( void )
 {
-    _lcd_pin_rs = LOW;
-    _lcd_pin_cs = LOW;
-    _lcd_port->write( cmd );
-    pulseLow( _lcd_pin_wr );
-    _lcd_pin_cs = HIGH;
+    // TODO: figure out if the SSD1289 controller has sleep and wakeup commands
+    if ( _lcd_pin_bl != 0 )
+        *_lcd_pin_bl = LOW;
 }
 
-void SSD1289LCD::WriteData( unsigned short data )
+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_pin_cs = LOW;
     _lcd_port->write( data );
     pulseLow( _lcd_pin_wr );
-    _lcd_pin_cs = HIGH;
 }
 
-void SSD1289LCD::SetXY( uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2 )
+void SSD1289_LCD::SetXY( uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2 )
 {
     if ( _orientation == LANDSCAPE )
     {