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: lcd_base.cpp

Revision:
1:14bef43daf6f
Parent:
0:881ff0b71102
Child:
2:81ed304b7e9b
--- a/lcd_base.cpp	Sat Dec 01 19:38:53 2012 +0000
+++ b/lcd_base.cpp	Sat Dec 01 23:49:10 2012 +0000
@@ -70,7 +70,7 @@
     _lcd_pin_cs = LOW;
     clearXY();
     _lcd_pin_rs = HIGH;
-    for ( int i = 0; i < ( ( _disp_width + 1 ) * ( _disp_height + 1 ) ); i++ )
+    for ( int i = 0; i < ( ( _disp_width ) * ( _disp_height ) ); i++ )
         writeData( rgb );
     _lcd_pin_cs = HIGH;
 }
@@ -332,16 +332,16 @@
     if ( _orientation == PORTRAIT )
     {
         if ( x == RIGHT )
-            x = ( _disp_width + 1 ) - ( stl * _font.width );
+            x = _disp_width - ( stl * _font.width );
         if ( x == CENTER )
-            x = ( ( _disp_width + 1 ) - ( stl * _font.width ) ) / 2;
+            x = ( _disp_width - ( stl * _font.width ) ) / 2;
     }
     else
     {
         if ( x == RIGHT )
-            x = ( _disp_height + 1 ) - ( stl * _font.width );
+            x = _disp_height - ( stl * _font.width );
         if ( x == CENTER )
-            x = ( ( _disp_height + 1 ) - ( stl * _font.width ) ) / 2;
+            x = ( _disp_height - ( stl * _font.width ) ) / 2;
     }
 
     for ( i = 0; i < stl; i++ )
@@ -489,9 +489,9 @@
 void LCD::clearXY()
 {
     if ( _orientation == PORTRAIT )
-        setXY( 0, 0, _disp_width, _disp_height );
+        setXY( 0, 0, _disp_width - 1, _disp_height - 1 );
     else
-        setXY( 0, 0, _disp_height, _disp_width );
+        setXY( 0, 0, _disp_height - 1, _disp_width - 1 );
 }
 
 void LCD::drawHLine( unsigned short x, unsigned short y, unsigned short len, int color )