Lib for the new LCD Display with ILI9341 controller

Dependents:   TFT_Test_ILI9341 touch_piirto TFT_banggood TFT_Test_ILI9341-a-fish ... more

Lib for 320*240 Pixel Color LCD with ILI9341 controller. Based on MI0283QT-9 datasheet. The lib is based on the http://mbed.org/cookbook/SPI-driven-QVGA-TFT code for the older LCD board.

The lib is using the 4 line serial data interface. The IM pins have to be set to 1110 (IM3-IM0) to use this mode. It use the SPI hardware.

I have started to speed up the lib with using DMA and direct SPI programming. To do this I have to split the code for the different platforms. To prevent unreadable code with a lot of #ifdef... I have create a new file. The #ifdef definition around is switching between the platforms. I will add the other Nucleo platforms. If you want to support others - see ..._NUCLEO.cpp , port and send me the code to add.

Display 1

If you use the TFT Proto from MikroElektronika http://www.mikroe.com/eng/products/view/474/tft-proto-board/ you have to connect : /media/uploads/dreschpe/tft_proto.png

MBEDDisplay
+ 3,3V3,3V
GNDGND
mosiSDI
misoSDO
sckRS
csCS
resetRST
dcWR/SCL
GNDIM0
+3,3VIM1 IM2 IM3
GNDDB0 - DB17
GNDRD

The backlite LED need a resistor to limit the current. You can use two 10R resistors parallel to get 5R driven by 3.3V.

Display 2

Watterott is also selling a ILI9341 based QVGA TFT : http://www.watterott.com/de/MI0283QT-2-Adapter

Unfortunately this adapter is set to 9 bit SPI mode via the mode pins IM0-IM3. If you want to patch this - like I have done - you have to desolder the TFT from the pcb to cut some traces. This is a flexible print. Only for people with soldering skills ! You also have to get access to pin 36 for the dc signal. Cut the GND connection. You can use the level converter used for the LCD_LED signal. Mosfet Q1 can be driven with a logic signal without converter. Watterott will change this in a future revision.

/media/uploads/dreschpe/mi0283qt_v12_patch.pdf

Display 3

There are inexpensive displays from china. You can get them at: http://www.banggood.com/2_2-Inch-Serial-TFT-SPI-LCD-Screen-Module-HD-240-X-320-5110-Compatible-p-912854.html The board has also a SD card connector at the backside, but no touch.

/media/uploads/dreschpe/tft3_1.jpg /media/uploads/dreschpe/tft3_2.jpg

The board can be used without modification. Connect VCC with 5V USB out. There is a voltage regulator on board. To use the SD card simply import the SDFileSystem and connect it to the second SPI.

Fonts

How to get nice looking fonts ?

To print characters to a graphic screen we need a font. To code a font by paper is ok for a small lcd, but for a 320*240 pixel display we need bigger fonts. A 12*12 pixel font is readable, but a lot of work to construct.

Fonts can be made with the GLCD Font Creator also from http://www.mikroe.com .

With this program you can load a window font and convert it into a c-array. To use this Font with my lib you have to add 4 parameter at the beginning of the font array. - the number of byte / char - the vertial size in pixel - the horizontal size in pixel - the number of byte per vertical line (it is vertical size / 8 ) You also have to change the array to char[]. After that you can switch between different fonts with set_font(unsigned char* font); The horizontal size of each character is also stored in the font. It look better if you use bigger fonts or italic. The letter M is wider than a l.

Here are some Fonts from me : http://mbed.org/users/dreschpe/code/TFT_fonts/

The small made for the mbed lab board : http://mbed.org/users/dreschpe/code/LCD_fonts/

And from Peter Holzleitner : http://mbed.org/users/pholzleitner/code/SourceCodePro31-SB/

Text commands :

You can use the claim() function to redirect the output to stdout or stderr to the TFT. After claim(stdout) you can simply use the printf function to print to the TFT.

  • locate(x,y); function is used to setup the cursor position. x,y are the pixel position. This was changed from row,column in older lib !

There are two parameter to setup the color of the text :

  • background(color);
  • foreground(color); All color are 16bit: R5 G6 B5.
  • set_orientation(); This command select one of the 4 directions to use the display. This command is also working on the graphical commands.

Graphics

Graphic commands :

  • cls(); Fill the screen with background color
  • pixel(x,y,color); set a single pixel at x,y with color
  • line(x0,y0,x1,y1,color); draw a line from x0,y0 to x1,y1 with color
  • rect(x0,y0,x1,y1,color); draw a rectangle x0,y0 to x1,y1 with color
  • fillrect(x0,y0,x1,y1,color); draw a filled rectangle
  • circle( x0,y0,radius ,color); draw a circle around x0,y0 with radius
  • fillcircle(x0,y0,radius ,color); draw a filled circle around x0,y0 with radius
  • Bitmap(x0,y0,w,h,*bitmap); paint a bitmap with width w and high h starting at x0,y0 (upper left corner)
  • BMP_16(x0,y0,*bmp); paint a bmp file out of the internal drive or a SD-card

How to transfer a grafic to the mbed ?

The hard way - but fast to load :

Load from mbed flash. It consume a lot of flash memory. To construct a bitmap array we can use gimp. http://www.gimp.org/ Load a image (edit and resize) and export it as BMP. You have to select the option 16 bit R5 G6 B5 !

To convert this file into a c-array you can use the hex-editor winhex. (http://www.x-ways.net/winhex/index-m.html) The eval version can handle the small files. We don`t need the bmp header. Mark the data starting at offset 0x46 to the end of file. Use "edit -> copy block -> C Source" to export this data as C array. Paste the data into a C file into the mbed compiler. The editor will generate a array of char[]. To use 16 bit DMA on this we have to put a __align(2) in front of the definition. To put it into Flash we change it to static const unsigned char bmp[]{...}

__align(2)
static const unsigned char bmp[]{
      0xCB, 0x5A, 0x5C, 0xE7,....

};

The easy way - but slower to load:

With the BMP_16 command we can load a picture out of the internal drive or a SD-card to the display.

  • BMP_16(x0,y0,"/local/test.bmp"); paint test.bmp out of the internal drive to x0, y0
  • BMP_16(x0,y0,"/sd/test.bmp"); paint test.bmp out of a external SD-card to x0, y0

simply copy test.bmp to the mbed usb drive or the SD-card. The bmp has to be saved with the options 16 bit R5 G6 B5 ! You can use the program gimp to convert pictures into the 16 bit bmp format.

sample code

http://mbed.org/users/dreschpe/code/TFT_Test_ILI9341/

// example to test the TFT Display
// Thanks to the GraphicsDisplay and TextDisplay classes
// test2.bmp has to be on the mbed file system

#include "stdio.h"
#include "mbed.h"
#include "SPI_TFT_ILI9341.h"
#include "string"
#include "Arial12x12.h"
#include "Arial24x23.h"
#include "Arial28x28.h"
#include "font_big.h"

extern unsigned char p1[];  // the mbed logo

DigitalOut LCD_LED(p21); // the Watterott display has a backlight switch
DigitalOut CS_Touch(p15); // disable the touch controller on the Watterott display

// the TFT is connected to SPI pin 5-7
SPI_TFT_ILI9341 TFT(p5, p6, p7, p8, p9, p10,"TFT"); // mosi, miso, sclk, cs, reset, dc

int main()
{
    int i;
    LCD_LED = 1;  // backlight on
    CS_Touch = 1; 
   
    TFT.claim(stdout);      // send stdout to the TFT display
    //TFT.claim(stderr);      // send stderr to the TFT display
    TFT.set_orientation(1);
    TFT.background(Black);    // set background to black
    TFT.foreground(White);    // set chars to white
    TFT.cls();                // clear the screen

    //first show the 4 directions
    TFT.set_orientation(0);
    TFT.background(Black);
    TFT.cls();

    TFT.set_font((unsigned char*) Arial12x12);
    TFT.locate(0,0);
    printf("  Hello Mbed 0");

    TFT.set_orientation(1);
    TFT.locate(0,0);
    printf("  Hello Mbed 1");
    TFT.set_orientation(2);
    TFT.locate(0,0);
    printf("  Hello Mbed 2");
    TFT.set_orientation(3);
    TFT.locate(0,0);
    printf("  Hello Mbed 3");
    TFT.set_orientation(1);
    TFT.set_font((unsigned char*) Arial24x23);
    TFT.locate(50,100);
    TFT.printf("TFT orientation");

/media/uploads/dreschpe/orient.jpg

// draw some graphics
    TFT.cls();
    TFT.set_font((unsigned char*) Arial24x23);
    TFT.locate(100,100);
    TFT.printf("Graphic");

    TFT.line(0,0,100,0,Green);
    TFT.line(0,0,0,200,Green);
    TFT.line(0,0,100,200,Green);

    TFT.rect(100,50,150,100,Red);
    TFT.fillrect(180,25,220,70,Blue);

    TFT.circle(80,150,33,White);
    TFT.fillcircle(160,190,20,Yellow);

    double s;

    for (i=0; i<320; i++) {
        s =20 * sin((long double) i / 10 );
        TFT.pixel(i,100 + (int)s ,Red);
    }

/media/uploads/dreschpe/grafik.jpg

   // bigger text
    TFT.foreground(White);
    TFT.background(Blue);
    TFT.cls();
    TFT.set_font((unsigned char*) Arial24x23);
    TFT.locate(0,0);
    TFT.printf("Different Fonts :");

    TFT.set_font((unsigned char*) Neu42x35);
    TFT.locate(0,30);
    TFT.printf("Hello Mbed 1");
    TFT.set_font((unsigned char*) Arial24x23);
    TFT.locate(20,80);
    TFT.printf("Hello Mbed 2");
    TFT.set_font((unsigned char*) Arial12x12);
    TFT.locate(35,120);
    TFT.printf("Hello Mbed 3");

/media/uploads/dreschpe/fonts2.jpg

    // mbed logo from flash
    // defined in graphics.c
    //__align(4)
    //unsigned char p1[18920] = {
    //0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, ....
    // 
    TFT.background(Black);
    TFT.cls();

    TFT.locate(10,10);
    TFT.printf("Graphic from Flash");

    TFT.Bitmap(90,90,172,55,p1);

/media/uploads/dreschpe/mbed.jpg

  
  #include "SDFileSystem.h"
  // connect a sd-card to the second spi or use the local filesystem of the LPC   
  SDFileSystem sd(p11, p12, p13, p14, "sd"); // mosi,miso,sck,cs
  TFT.cls();
  TFT.locate(10,110);
  TFT.printf("Graphic from external SD-card");
  int err = TFT.BMP_16(1,140,"/sd/test.bmp");  // load test.bmp from external SD-card
  TFT.locate(10,120);
  if (err != 1) TFT.printf(" - Err: %d",err);

/media/uploads/dreschpe/bmp16.jpg

Files at this revision

API Documentation at this revision

Comitter:
dreschpe
Date:
Wed Jun 12 22:54:38 2013 +0000
Child:
1:6d6125e88de7
Commit message:
Test Version,

Changed in this revision

GraphicsDisplay.cpp Show annotated file Show diff for this revision Revisions of this file
GraphicsDisplay.h Show annotated file Show diff for this revision Revisions of this file
SPI_TFT_ILI9341.cpp Show annotated file Show diff for this revision Revisions of this file
SPI_TFT_ILI9341.h Show annotated file Show diff for this revision Revisions of this file
TextDisplay.cpp Show annotated file Show diff for this revision Revisions of this file
TextDisplay.h Show annotated file Show diff for this revision Revisions of this file
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/GraphicsDisplay.cpp	Wed Jun 12 22:54:38 2013 +0000
@@ -0,0 +1,176 @@
+/* mbed GraphicsDisplay Display Library Base Class
+ * Copyright (c) 2007-2009 sford
+ * Released under the MIT License: http://mbed.org/license/mit
+ */
+ 
+#include "GraphicsDisplay.h"
+
+const unsigned char FONT8x8[97][8] = {
+0x08,0x08,0x08,0x00,0x00,0x00,0x00,0x00, // columns, rows, num_bytes_per_char
+0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, // space 0x20
+0x30,0x78,0x78,0x30,0x30,0x00,0x30,0x00, // !
+0x6C,0x6C,0x6C,0x00,0x00,0x00,0x00,0x00, // "
+0x6C,0x6C,0xFE,0x6C,0xFE,0x6C,0x6C,0x00, // #
+0x18,0x3E,0x60,0x3C,0x06,0x7C,0x18,0x00, // $
+0x00,0x63,0x66,0x0C,0x18,0x33,0x63,0x00, // %
+0x1C,0x36,0x1C,0x3B,0x6E,0x66,0x3B,0x00, // &
+0x30,0x30,0x60,0x00,0x00,0x00,0x00,0x00, // '
+0x0C,0x18,0x30,0x30,0x30,0x18,0x0C,0x00, // (
+0x30,0x18,0x0C,0x0C,0x0C,0x18,0x30,0x00, // )
+0x00,0x66,0x3C,0xFF,0x3C,0x66,0x00,0x00, // *
+0x00,0x30,0x30,0xFC,0x30,0x30,0x00,0x00, // +
+0x00,0x00,0x00,0x00,0x00,0x18,0x18,0x30, // ,
+0x00,0x00,0x00,0x7E,0x00,0x00,0x00,0x00, // -
+0x00,0x00,0x00,0x00,0x00,0x18,0x18,0x00, // .
+0x03,0x06,0x0C,0x18,0x30,0x60,0x40,0x00, // / (forward slash)
+0x3E,0x63,0x63,0x6B,0x63,0x63,0x3E,0x00, // 0 0x30
+0x18,0x38,0x58,0x18,0x18,0x18,0x7E,0x00, // 1
+0x3C,0x66,0x06,0x1C,0x30,0x66,0x7E,0x00, // 2
+0x3C,0x66,0x06,0x1C,0x06,0x66,0x3C,0x00, // 3
+0x0E,0x1E,0x36,0x66,0x7F,0x06,0x0F,0x00, // 4
+0x7E,0x60,0x7C,0x06,0x06,0x66,0x3C,0x00, // 5
+0x1C,0x30,0x60,0x7C,0x66,0x66,0x3C,0x00, // 6
+0x7E,0x66,0x06,0x0C,0x18,0x18,0x18,0x00, // 7
+0x3C,0x66,0x66,0x3C,0x66,0x66,0x3C,0x00, // 8
+0x3C,0x66,0x66,0x3E,0x06,0x0C,0x38,0x00, // 9
+0x00,0x18,0x18,0x00,0x00,0x18,0x18,0x00, // :
+0x00,0x18,0x18,0x00,0x00,0x18,0x18,0x30, // ;
+0x0C,0x18,0x30,0x60,0x30,0x18,0x0C,0x00, // <
+0x00,0x00,0x7E,0x00,0x00,0x7E,0x00,0x00, // =
+0x30,0x18,0x0C,0x06,0x0C,0x18,0x30,0x00, // >
+0x3C,0x66,0x06,0x0C,0x18,0x00,0x18,0x00, // ?
+0x3E,0x63,0x6F,0x69,0x6F,0x60,0x3E,0x00, // @ 0x40
+0x18,0x3C,0x66,0x66,0x7E,0x66,0x66,0x00, // A
+0x7E,0x33,0x33,0x3E,0x33,0x33,0x7E,0x00, // B
+0x1E,0x33,0x60,0x60,0x60,0x33,0x1E,0x00, // C
+0x7C,0x36,0x33,0x33,0x33,0x36,0x7C,0x00, // D
+0x7F,0x31,0x34,0x3C,0x34,0x31,0x7F,0x00, // E
+0x7F,0x31,0x34,0x3C,0x34,0x30,0x78,0x00, // F
+0x1E,0x33,0x60,0x60,0x67,0x33,0x1F,0x00, // G
+0x66,0x66,0x66,0x7E,0x66,0x66,0x66,0x00, // H
+0x3C,0x18,0x18,0x18,0x18,0x18,0x3C,0x00, // I
+0x0F,0x06,0x06,0x06,0x66,0x66,0x3C,0x00, // J
+0x73,0x33,0x36,0x3C,0x36,0x33,0x73,0x00, // K
+0x78,0x30,0x30,0x30,0x31,0x33,0x7F,0x00, // L
+0x63,0x77,0x7F,0x7F,0x6B,0x63,0x63,0x00, // M
+0x63,0x73,0x7B,0x6F,0x67,0x63,0x63,0x00, // N
+0x3E,0x63,0x63,0x63,0x63,0x63,0x3E,0x00, // O
+0x7E,0x33,0x33,0x3E,0x30,0x30,0x78,0x00, // P 0x50
+0x3C,0x66,0x66,0x66,0x6E,0x3C,0x0E,0x00, // Q
+0x7E,0x33,0x33,0x3E,0x36,0x33,0x73,0x00, // R
+0x3C,0x66,0x30,0x18,0x0C,0x66,0x3C,0x00, // S
+0x7E,0x5A,0x18,0x18,0x18,0x18,0x3C,0x00, // T
+0x66,0x66,0x66,0x66,0x66,0x66,0x7E,0x00, // U
+0x66,0x66,0x66,0x66,0x66,0x3C,0x18,0x00, // V
+0x63,0x63,0x63,0x6B,0x7F,0x77,0x63,0x00, // W
+0x63,0x63,0x36,0x1C,0x1C,0x36,0x63,0x00, // X
+0x66,0x66,0x66,0x3C,0x18,0x18,0x3C,0x00, // Y
+0x7F,0x63,0x46,0x0C,0x19,0x33,0x7F,0x00, // Z
+0x3C,0x30,0x30,0x30,0x30,0x30,0x3C,0x00, // [
+0x60,0x30,0x18,0x0C,0x06,0x03,0x01,0x00, // \ (back slash)
+0x3C,0x0C,0x0C,0x0C,0x0C,0x0C,0x3C,0x00, // ]
+0x08,0x1C,0x36,0x63,0x00,0x00,0x00,0x00, // ^
+0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xFF, // _
+0x18,0x18,0x0C,0x00,0x00,0x00,0x00,0x00, // ` 0x60
+0x00,0x00,0x3C,0x06,0x3E,0x66,0x3B,0x00, // a
+0x70,0x30,0x3E,0x33,0x33,0x33,0x6E,0x00, // b
+0x00,0x00,0x3C,0x66,0x60,0x66,0x3C,0x00, // c
+0x0E,0x06,0x3E,0x66,0x66,0x66,0x3B,0x00, // d
+0x00,0x00,0x3C,0x66,0x7E,0x60,0x3C,0x00, // e
+0x1C,0x36,0x30,0x78,0x30,0x30,0x78,0x00, // f
+0x00,0x00,0x3B,0x66,0x66,0x3E,0x06,0x7C, // g
+0x70,0x30,0x36,0x3B,0x33,0x33,0x73,0x00, // h
+0x18,0x00,0x38,0x18,0x18,0x18,0x3C,0x00, // i
+0x06,0x00,0x06,0x06,0x06,0x66,0x66,0x3C, // j
+0x70,0x30,0x33,0x36,0x3C,0x36,0x73,0x00, // k
+0x38,0x18,0x18,0x18,0x18,0x18,0x3C,0x00, // l
+0x00,0x00,0x66,0x7F,0x7F,0x6B,0x63,0x00, // m
+0x00,0x00,0x7C,0x66,0x66,0x66,0x66,0x00, // n
+0x00,0x00,0x3C,0x66,0x66,0x66,0x3C,0x00, // o
+0x00,0x00,0x6E,0x33,0x33,0x3E,0x30,0x78, // p
+0x00,0x00,0x3B,0x66,0x66,0x3E,0x06,0x0F, // q
+0x00,0x00,0x6E,0x3B,0x33,0x30,0x78,0x00, // r
+0x00,0x00,0x3E,0x60,0x3C,0x06,0x7C,0x00, // s
+0x08,0x18,0x3E,0x18,0x18,0x1A,0x0C,0x00, // t
+0x00,0x00,0x66,0x66,0x66,0x66,0x3B,0x00, // u
+0x00,0x00,0x66,0x66,0x66,0x3C,0x18,0x00, // v
+0x00,0x00,0x63,0x6B,0x7F,0x7F,0x36,0x00, // w
+0x00,0x00,0x63,0x36,0x1C,0x36,0x63,0x00, // x
+0x00,0x00,0x66,0x66,0x66,0x3E,0x06,0x7C, // y
+0x00,0x00,0x7E,0x4C,0x18,0x32,0x7E,0x00, // z
+0x0E,0x18,0x18,0x70,0x18,0x18,0x0E,0x00, // {
+0x0C,0x0C,0x0C,0x00,0x0C,0x0C,0x0C,0x00, // |
+0x70,0x18,0x18,0x0E,0x18,0x18,0x70,0x00, // }
+0x3B,0x6E,0x00,0x00,0x00,0x00,0x00,0x00, // ~
+0x1C,0x36,0x36,0x1C,0x00,0x00,0x00,0x00}; // DEL
+    
+GraphicsDisplay::GraphicsDisplay(const char *name):TextDisplay(name) {
+    foreground(0xFFFF);
+    background(0x0000);
+}
+    
+void GraphicsDisplay::character(int column, int row, int value) { 
+    blitbit(column * 8, row * 8, 8, 8, (char*)&(FONT8x8[value - 0x1F][0]));
+}
+
+void GraphicsDisplay::window(unsigned int x,unsigned  int y,unsigned  int w,unsigned  int h) {
+    // current pixel location
+    _x = x;
+    _y = y;
+    // window settings
+    _x1 = x;
+    _x2 = x + w - 1;
+    _y1 = y;
+    _y2 = y + h - 1;
+}
+    
+void GraphicsDisplay::putp(int colour) {
+    // put pixel at current pixel location
+    pixel(_x, _y, colour);
+    // update pixel location based on window settings
+    _x++;
+    if(_x > _x2) {
+        _x = _x1;
+        _y++;
+        if(_y > _y2) {
+            _y = _y1;
+        }
+    }
+}
+
+void GraphicsDisplay::fill(int x, int y, int w, int h, int colour) { 
+    window(x, y, w, h);
+    for(int i=0; i<w*h; i++) {
+        putp(colour);
+    }
+}
+    
+void GraphicsDisplay::cls() {
+    fill(0, 0, width(), height(), _background);
+}
+    
+void GraphicsDisplay::blit(int x, int y, int w, int h, const int *colour) { 
+    window(x, y, w, h);
+    for(int i=0; i<w*h; i++) {
+        putp(colour[i]);
+    }
+}
+    
+void GraphicsDisplay::blitbit(int x, int y, int w, int h, const char* colour) {
+    window(x, y, w, h);
+    for(int i = 0; i < w*h; i++) {
+        char byte = colour[i >> 3];
+        int offset = i & 0x7;
+        int c = ((byte << offset) & 0x80) ? _foreground : _background;
+        putp(c);
+    }
+}
+    
+int GraphicsDisplay::columns() { 
+    return width() / 8; 
+}
+
+int GraphicsDisplay::rows() { 
+    return height() / 8; 
+}
+
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/GraphicsDisplay.h	Wed Jun 12 22:54:38 2013 +0000
@@ -0,0 +1,55 @@
+/* mbed GraphicsDisplay Display Library Base Class
+ * Copyright (c) 2007-2009 sford
+ * Released under the MIT License: http://mbed.org/license/mit
+ *
+ * A library for providing a common base class for Graphics displays
+ * To port a new display, derive from this class and implement
+ * the constructor (setup the display), pixel (put a pixel
+ * at a location), width and height functions. Everything else
+ * (locate, printf, putc, cls, window, putp, fill, blit, blitbit) 
+ * will come for free. You can also provide a specialised implementation
+ * of window and putp to speed up the results
+ */
+
+#ifndef MBED_GRAPHICSDISPLAY_H
+#define MBED_GRAPHICSDISPLAY_H
+
+#include "TextDisplay.h"
+
+class GraphicsDisplay : public TextDisplay {
+
+public:         
+          
+    GraphicsDisplay(const char* name);
+     
+    virtual void pixel(int x, int y, int colour) = 0;
+    virtual int width() = 0;
+    virtual int height() = 0;
+        
+    virtual void window(unsigned int x,unsigned int y,unsigned int w,unsigned int h);
+    virtual void putp(int colour);
+    
+    virtual void cls();
+    virtual void fill(int x, int y, int w, int h, int colour);
+    virtual void blit(int x, int y, int w, int h, const int *colour);    
+    virtual void blitbit(int x, int y, int w, int h, const char* colour);
+    
+    virtual void character(int column, int row, int value);
+    virtual int columns();
+    virtual int rows();
+    
+protected:
+
+    // pixel location
+    short _x;
+    short _y;
+    
+    // window location
+    short _x1;
+    short _x2;
+    short _y1;
+    short _y2;
+
+};
+
+#endif
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/SPI_TFT_ILI9341.cpp	Wed Jun 12 22:54:38 2013 +0000
@@ -0,0 +1,685 @@
+/* mbed library for 240*320 pixel display TFT based on ILI9341 LCD Controller
+ * Copyright (c) 2013 Peter Drescher - DC2PD
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+ 
+// 12.06.13 fork from SPI_TFT code because controller is different ...
+
+#include "SPI_TFT_ILI9341.h"
+#include "mbed.h"
+
+#define BPP         16                  // Bits per pixel    
+            
+
+//extern Serial pc;
+//extern DigitalOut xx;     // debug !!
+
+SPI_TFT_ILI9341::SPI_TFT_ILI9341(PinName mosi, PinName miso, PinName sclk, PinName cs, PinName reset, PinName dc, const char *name)
+    : _spi(mosi, miso, sclk), _cs(cs), _reset(reset), _dc(dc), GraphicsDisplay(name)
+{
+    orientation = 0;
+    char_x = 0;
+    tft_reset();
+}
+
+int SPI_TFT_ILI9341::width()
+{
+    if (orientation == 0 || orientation == 2) return 240;
+    else return 320;
+}
+
+
+int SPI_TFT_ILI9341::height()
+{
+    if (orientation == 0 || orientation == 2) return 320;
+    else return 240;
+}
+
+
+/*void SPI_TFT_ILI9341::set_orientation(unsigned int o)
+{
+    orientation = o;
+    switch (orientation) {
+        case 0:
+            wr_reg(0x16, 0x08);
+            break;
+        case 1:
+            wr_reg(0x16, 0x68);
+            break;
+        case 2:
+            wr_reg(0x16, 0xC8);
+            break;
+        case 3:
+            wr_reg(0x16, 0xA8);
+            break;
+    }
+    WindowMax();
+} */
+
+
+// write command to tft register
+
+void SPI_TFT_ILI9341::wr_cmd(unsigned char cmd)
+{
+    _dc = 0;
+    _cs = 0;
+    _spi.write(cmd);      // mbed lib
+    _dc = 1;
+}
+
+
+
+void SPI_TFT_ILI9341::wr_dat(unsigned char dat)
+{
+   _spi.write(dat);      // mbed lib
+//   _cs = 1;
+}
+
+
+
+// the ILI9341 can read - has to be implemented later
+// A read will return 0 at the moment
+
+//unsigned short SPI_TFT_ILI9341::rd_dat (void)
+//{
+//    unsigned short val = 0;
+
+    //val = _spi.write(0x73ff);                /* Dummy read 1           */
+    //val   = _spi.write(0x0000);              /* Read D8..D15           */
+//    return (val);
+//}
+
+
+
+void SPI_TFT_ILI9341::tft_reset()
+{
+    //static unsigned short driverCode;
+    _spi.format(8,3);                 // 8 bit spi mode 3
+    _spi.frequency(12000000);          // 12 Mhz SPI clock
+    _cs = 1;                           // cs high
+    _dc = 1;                           // dc high 
+    _reset = 0;                        // display reset
+
+    wait_us(50);
+    _reset = 1;                       // end reset
+    wait_ms(5);
+
+    /* Start Initial Sequence ----------------------------------------------------*/
+     wr_cmd(0xCD);                     // Power Control A
+     _spi.write(0x39);
+     _spi.write(0x2C);
+     _spi.write(0x00);
+     _spi.write(0x34);
+     _spi.write(0x02);
+     _cs = 1;
+     
+     wr_cmd(0xCF);                     // Power Control B
+     _spi.write(0x00);
+     _spi.write(0xAA);
+     _spi.write(0xB0);
+     _cs = 1;
+     wr_cmd(0xF7);                     // CMD_PUMP_RATIO_CONTROL
+     _spi.write(0x30);
+     _cs = 1;
+     wr_cmd(0xC0);                     // POWER_CONTROL_1
+     _spi.write(0x25);
+     _cs = 1;
+     wr_cmd(0xC1);                     // POWER_CONTROL_2
+     _spi.write(0x11);
+     _cs = 1;
+     wr_cmd(0xC5);                     // VCOM_CONTROL_1
+     _spi.write(0x5C);
+     _spi.write(0x4C);
+     _cs = 1;
+     wr_cmd(0xC7);                     // VCOM_CONTROL_2
+     _spi.write(0x94);
+     _cs = 1;   
+     wr_cmd(0xE8);                     // DRIVER_TIMING_CONTROL_A
+     _spi.write(0x85);
+     _spi.write(0x01);
+     _spi.write(0x78);
+     _cs = 1; 
+     wr_cmd(0xEA);                     // DRIVER_TIMING_CONTROL_B
+     _spi.write(0x00);
+     _spi.write(0x00);
+     _cs = 1; 
+      wr_cmd(0x3A);                     // COLMOD_PIXEL_FORMAT_SET
+     _spi.write(0x05);
+     _cs = 1;
+     wr_cmd(0x36);                     // MEMORY_ACCESS_CONTROL
+     _spi.write(0x48);
+     _cs = 1; 
+    WindowMax ();
+}
+
+
+void SPI_TFT_ILI9341::pixel(int x, int y, int color)
+{
+    wr_cmd(0x2A);
+    _spi.write(x >> 8);
+    _spi.write(x);
+    _cs = 1;
+    wr_cmd(0x2B);
+    _spi.write(y >> 8);
+    _spi.write(y);
+    _cs = 1;
+    wr_cmd(0x2C);  // send pixel 
+    _spi.format(16,3);                            // switch to 16 bit Mode 3
+    _spi.write(color);                              // Write D0..D15
+    _spi.format(8,3);
+    _cs = 1;
+}
+
+
+void SPI_TFT_ILI9341::window (unsigned int x, unsigned int y, unsigned int w, unsigned int h)
+{
+    wr_cmd(0x2A);
+    _spi.write(x >> 8);
+    _spi.write(x);
+    _spi.write((x+w-1) >> 8);
+    _spi.write(x+w-1);
+    
+    _cs = 1;
+    wr_cmd(0x2B);
+    _spi.write(y >> 8);
+    _spi.write(y);
+    _spi.write((y+h-1) >> 8);
+    _spi.write(y+h-1);
+    _cs = 1;
+}
+
+
+void SPI_TFT_ILI9341::WindowMax (void)
+{
+    window (0, 0, width(),  height());
+}
+
+
+
+void SPI_TFT_ILI9341::cls (void)
+{
+    int pixel = ( width() * height());
+    WindowMax();
+    wr_cmd(0x2C);  // send pixel 
+    _spi.format(16,3);                            // switch to 16 bit Mode 3
+    unsigned int i;
+    for (i = 0; i < ( width() * height()); i++)
+        _spi.write(_background);                     
+    _cs = 1;
+    _spi.format(8,3);
+}
+
+
+void SPI_TFT_ILI9341::circle(int x0, int y0, int r, int color)
+{
+
+    int draw_x0, draw_y0;
+    int draw_x1, draw_y1;
+    int draw_x2, draw_y2;
+    int draw_x3, draw_y3;
+    int draw_x4, draw_y4;
+    int draw_x5, draw_y5;
+    int draw_x6, draw_y6;
+    int draw_x7, draw_y7;
+    int xx, yy;
+    int di;
+    //WindowMax();
+    if (r == 0) {       /* no radius */
+        return;
+    }
+
+    draw_x0 = draw_x1 = x0;
+    draw_y0 = draw_y1 = y0 + r;
+    if (draw_y0 < height()) {
+        pixel(draw_x0, draw_y0, color);     /* 90 degree */
+    }
+
+    draw_x2 = draw_x3 = x0;
+    draw_y2 = draw_y3 = y0 - r;
+    if (draw_y2 >= 0) {
+        pixel(draw_x2, draw_y2, color);    /* 270 degree */
+    }
+
+    draw_x4 = draw_x6 = x0 + r;
+    draw_y4 = draw_y6 = y0;
+    if (draw_x4 < width()) {
+        pixel(draw_x4, draw_y4, color);     /* 0 degree */
+    }
+
+    draw_x5 = draw_x7 = x0 - r;
+    draw_y5 = draw_y7 = y0;
+    if (draw_x5>=0) {
+        pixel(draw_x5, draw_y5, color);     /* 180 degree */
+    }
+
+    if (r == 1) {
+        return;
+    }
+
+    di = 3 - 2*r;
+    xx = 0;
+    yy = r;
+    while (xx < yy) {
+
+        if (di < 0) {
+            di += 4*xx + 6;
+        } else {
+            di += 4*(xx - yy) + 10;
+            yy--;
+            draw_y0--;
+            draw_y1--;
+            draw_y2++;
+            draw_y3++;
+            draw_x4--;
+            draw_x5++;
+            draw_x6--;
+            draw_x7++;
+        }
+        xx++;
+        draw_x0++;
+        draw_x1--;
+        draw_x2++;
+        draw_x3--;
+        draw_y4++;
+        draw_y5++;
+        draw_y6--;
+        draw_y7--;
+
+        if ( (draw_x0 <= width()) && (draw_y0>=0) ) {
+            pixel(draw_x0, draw_y0, color);
+        }
+
+        if ( (draw_x1 >= 0) && (draw_y1 >= 0) ) {
+            pixel(draw_x1, draw_y1, color);
+        }
+
+        if ( (draw_x2 <= width()) && (draw_y2 <= height()) ) {
+            pixel(draw_x2, draw_y2, color);
+        }
+
+        if ( (draw_x3 >=0 ) && (draw_y3 <= height()) ) {
+            pixel(draw_x3, draw_y3, color);
+        }
+
+        if ( (draw_x4 <= width()) && (draw_y4 >= 0) ) {
+            pixel(draw_x4, draw_y4, color);
+        }
+
+        if ( (draw_x5 >= 0) && (draw_y5 >= 0) ) {
+            pixel(draw_x5, draw_y5, color);
+        }
+        if ( (draw_x6 <=width()) && (draw_y6 <= height()) ) {
+            pixel(draw_x6, draw_y6, color);
+        }
+        if ( (draw_x7 >= 0) && (draw_y7 <= height()) ) {
+            pixel(draw_x7, draw_y7, color);
+        }
+    }
+    return;
+}
+
+void SPI_TFT_ILI9341::fillcircle(int x, int y, int r, int color)
+{
+    int i;
+    for (i = 0; i <= r; i++)
+        circle(x,y,i,color);
+}
+
+
+
+void SPI_TFT_ILI9341::hline(int x0, int x1, int y, int color)
+{
+    int w;
+    w = x1 - x0 + 1;
+    window(x0,y,w,1);
+    wr_cmd(0x2C);  // send pixel 
+    _spi.format(16,3);                            // switch to 16 bit Mode 3
+    int j;
+    for (j=0; j<w; j++) {
+        _spi.write(color);
+    }
+    _cs = 1;
+    _spi.format(8,3);
+    WindowMax();
+    return;
+}
+
+void SPI_TFT_ILI9341::vline(int x, int y0, int y1, int color)
+{
+    int h;
+    h = y1 - y0 + 1;
+    window(x,y0,1,h);
+    wr_cmd(0x2C);  // send pixel 
+    _spi.format(16,3);                            // switch to 16 bit Mode 3
+    for (int y=0; y<h; y++) {
+        _spi.write(color);
+    }
+    _cs = 1;
+    _spi.format(8,3);
+    WindowMax();
+    return;
+}
+
+
+
+void SPI_TFT_ILI9341::line(int x0, int y0, int x1, int y1, int color)
+{
+    //WindowMax();
+    int   dx = 0, dy = 0;
+    int   dx_sym = 0, dy_sym = 0;
+    int   dx_x2 = 0, dy_x2 = 0;
+    int   di = 0;
+
+    dx = x1-x0;
+    dy = y1-y0;
+
+    if (dx == 0) {        /* vertical line */
+        if (y1 > y0) vline(x0,y0,y1,color);
+        else vline(x0,y1,y0,color);
+        return;
+    }
+
+    if (dx > 0) {
+        dx_sym = 1;
+    } else {
+        dx_sym = -1;
+    }
+    if (dy == 0) {        /* horizontal line */
+        if (x1 > x0) hline(x0,x1,y0,color);
+        else  hline(x1,x0,y0,color);
+        return;
+    }
+
+    if (dy > 0) {
+        dy_sym = 1;
+    } else {
+        dy_sym = -1;
+    }
+
+    dx = dx_sym*dx;
+    dy = dy_sym*dy;
+
+    dx_x2 = dx*2;
+    dy_x2 = dy*2;
+
+    if (dx >= dy) {
+        di = dy_x2 - dx;
+        while (x0 != x1) {
+
+            pixel(x0, y0, color);
+            x0 += dx_sym;
+            if (di<0) {
+                di += dy_x2;
+            } else {
+                di += dy_x2 - dx_x2;
+                y0 += dy_sym;
+            }
+        }
+        pixel(x0, y0, color);
+    } else {
+        di = dx_x2 - dy;
+        while (y0 != y1) {
+            pixel(x0, y0, color);
+            y0 += dy_sym;
+            if (di < 0) {
+                di += dx_x2;
+            } else {
+                di += dx_x2 - dy_x2;
+                x0 += dx_sym;
+            }
+        }
+        pixel(x0, y0, color);
+    }
+    return;
+}
+
+
+void SPI_TFT_ILI9341::rect(int x0, int y0, int x1, int y1, int color)
+{
+
+    if (x1 > x0) hline(x0,x1,y0,color);
+    else  hline(x1,x0,y0,color);
+
+    if (y1 > y0) vline(x0,y0,y1,color);
+    else vline(x0,y1,y0,color);
+
+    if (x1 > x0) hline(x0,x1,y1,color);
+    else  hline(x1,x0,y1,color);
+
+    if (y1 > y0) vline(x1,y0,y1,color);
+    else vline(x1,y1,y0,color);
+
+    return;
+}
+
+
+
+void SPI_TFT_ILI9341::fillrect(int x0, int y0, int x1, int y1, int color)
+{
+
+    int h = y1 - y0 + 1;
+    int w = x1 - x0 + 1;
+    int pixel = h * w;
+    window(x0,y0,w,h);
+    wr_cmd(0x2C);  // send pixel 
+    _spi.format(16,3);                            // switch to 16 bit Mode 3
+    for (int p=0; p<pixel; p++) {
+        _spi.write(color);
+    }
+    _cs = 1;
+    _spi.format(8,3);
+    WindowMax();
+    return;
+}
+
+
+void SPI_TFT_ILI9341::locate(int x, int y)
+{
+    char_x = x;
+    char_y = y;
+}
+
+
+
+int SPI_TFT_ILI9341::columns()
+{
+    return width() / font[1];
+}
+
+
+
+int SPI_TFT_ILI9341::rows()
+{
+    return height() / font[2];
+}
+
+
+
+int SPI_TFT_ILI9341::_putc(int value)
+{
+    if (value == '\n') {    // new line
+        char_x = 0;
+        char_y = char_y + font[2];
+        if (char_y >= height() - font[2]) {
+            char_y = 0;
+        }
+    } else {
+        character(char_x, char_y, value);
+    }
+    return value;
+}
+
+
+void SPI_TFT_ILI9341::character(int x, int y, int c)
+{
+    unsigned int hor,vert,offset,bpl,j,i,b;
+    unsigned char* zeichen;
+    unsigned char z,w;
+
+    if ((c < 31) || (c > 127)) return;   // test char range
+
+    // read font parameter from start of array
+    offset = font[0];                    // bytes / char
+    hor = font[1];                       // get hor size of font
+    vert = font[2];                      // get vert size of font
+    bpl = font[3];                       // bytes per line
+
+    if (char_x + hor > width()) {
+        char_x = 0;
+        char_y = char_y + vert;
+        if (char_y >= height() - font[2]) {
+            char_y = 0;
+        }
+    }
+    window(char_x, char_y,hor,vert); // char box
+    wr_cmd(0x2C);  // send pixel 
+    _spi.format(16,3);                            // switch to 16 bit Mode 3
+    zeichen = &font[((c -32) * offset) + 4]; // start of char bitmap
+    w = zeichen[0];                          // width of actual char
+     for (j=0; j<vert; j++) {  //  vert line
+        for (i=0; i<hor; i++) {   //  horz line
+            z =  zeichen[bpl * i + ((j & 0xF8) >> 3)+1];
+            b = 1 << (j & 0x07);
+            if (( z & b ) == 0x00) {
+                _spi.write(_background);
+            } else {
+                _spi.write(_foreground);
+            }
+        }
+    }
+    _cs = 1;
+    _spi.format(8,3);
+    WindowMax();
+    if ((w + 2) < hor) {                   // x offset to next char
+        char_x += w + 2;
+    } else char_x += hor;
+}
+
+
+void SPI_TFT_ILI9341::set_font(unsigned char* f)
+{
+    font = f;
+}
+
+
+
+void SPI_TFT_ILI9341::Bitmap(unsigned int x, unsigned int y, unsigned int w, unsigned int h,unsigned char *bitmap)
+{
+    unsigned int  j;
+    int padd;
+    unsigned short *bitmap_ptr = (unsigned short *)bitmap;
+    // the lines are padded to multiple of 4 bytes in a bitmap
+    padd = -1;
+    do {
+        padd ++;
+    } while (2*(w + padd)%4 != 0);
+    window(x, y, w, h);
+    wr_cmd(0x2C);  // send pixel 
+    _spi.format(16,3);                            // switch to 16 bit Mode 3
+    unsigned int i;
+    for (j = 0; j < h; j++) {        //Lines
+        for (i = 0; i < w; i++) {     // copy pixel data to TFT
+            _spi.write(*bitmap_ptr);    // one line
+            bitmap_ptr++;
+        }
+        bitmap_ptr -= 2*w;
+        bitmap_ptr -= padd;
+    }
+    _cs = 1;
+    _spi.format(8,3);
+    WindowMax();
+}
+
+
+int SPI_TFT_ILI9341::BMP_16(unsigned int x, unsigned int y, const char *Name_BMP)
+{
+
+#define OffsetPixelWidth    18
+#define OffsetPixelHeigh    22
+#define OffsetFileSize      34
+#define OffsetPixData       10
+#define OffsetBPP           28
+
+    char filename[50];
+    unsigned char BMP_Header[54];
+    unsigned short BPP_t;
+    unsigned int PixelWidth,PixelHeigh,start_data;
+    unsigned int    i,off;
+    int padd,j;
+    unsigned short *line;
+
+    // get the filename
+    LocalFileSystem local("local");
+    sprintf(&filename[0],"/local/");
+    i=7;
+    while (*Name_BMP!='\0') {
+        filename[i++]=*Name_BMP++;
+    }
+
+    fprintf(stderr, "filename : %s \n\r",filename);
+
+    FILE *Image = fopen((const char *)&filename[0], "rb");  // open the bmp file
+    if (!Image) {
+        return(0);      // error file not found !
+    }
+
+    fread(&BMP_Header[0],1,54,Image);      // get the BMP Header
+
+    if (BMP_Header[0] != 0x42 || BMP_Header[1] != 0x4D) {  // check magic byte
+        fclose(Image);
+        return(-1);     // error no BMP file
+    }
+
+    BPP_t = BMP_Header[OffsetBPP] + (BMP_Header[OffsetBPP + 1] << 8);
+    if (BPP_t != 0x0010) {
+        fclose(Image);
+        return(-2);     // error no 16 bit BMP
+    }
+
+    PixelHeigh = BMP_Header[OffsetPixelHeigh] + (BMP_Header[OffsetPixelHeigh + 1] << 8) + (BMP_Header[OffsetPixelHeigh + 2] << 16) + (BMP_Header[OffsetPixelHeigh + 3] << 24);
+    PixelWidth = BMP_Header[OffsetPixelWidth] + (BMP_Header[OffsetPixelWidth + 1] << 8) + (BMP_Header[OffsetPixelWidth + 2] << 16) + (BMP_Header[OffsetPixelWidth + 3] << 24);
+    if (PixelHeigh > height() + y || PixelWidth > width() + x) {
+        fclose(Image);
+        return(-3);      // to big
+    }
+
+    start_data = BMP_Header[OffsetPixData] + (BMP_Header[OffsetPixData + 1] << 8) + (BMP_Header[OffsetPixData + 2] << 16) + (BMP_Header[OffsetPixData + 3] << 24);
+
+    line = (unsigned short *) malloc (2 * PixelWidth); // we need a buffer for a line
+    if (line == NULL) {
+        return(-4);         // error no memory
+    }
+
+    // the bmp lines are padded to multiple of 4 bytes
+    padd = -1;
+    do {
+        padd ++;
+    } while ((PixelWidth * 2 + padd)%4 != 0);
+
+
+//fseek(Image, 70 ,SEEK_SET);
+    window(x, y,PixelWidth ,PixelHeigh);
+    wr_cmd(0x2C);  // send pixel 
+    _spi.format(16,3);                            // switch to 16 bit Mode 3
+    for (j = PixelHeigh - 1; j >= 0; j--) {               //Lines bottom up
+        off = j * (PixelWidth  * 2 + padd) + start_data;   // start of line
+        fseek(Image, off ,SEEK_SET);
+        fread(line,1,PixelWidth * 2,Image);       // read a line - slow !
+        for (i = 0; i < PixelWidth; i++) {        // copy pixel data to TFT
+            _spi.write(line[i]);                  // one 16 bit pixel
+        } 
+     }
+    _cs = 1;
+    _spi.format(8,3);
+    free (line);
+    fclose(Image);
+    WindowMax();
+    return(1);
+}
\ No newline at end of file
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/SPI_TFT_ILI9341.h	Wed Jun 12 22:54:38 2013 +0000
@@ -0,0 +1,388 @@
+/* mbed library for 240*320 pixel display TFT based on HX8347D LCD Controller
+ * Copyright (c) 2011 Peter Drescher - DC2PD
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+ 
+ /* change the char position handling
+  * use pixel (x,y) instadt of colum row */
+ 
+
+#ifndef MBED_SPI_TFT_ILI9341_H
+#define MBED_SPI_TFT_ILI9341_H
+
+#include "mbed.h"
+#include "GraphicsDisplay.h"
+
+#define RGB(r,g,b)  (((r&0xF8)<<8)|((g&0xFC)<<3)|((b&0xF8)>>3)) //5 red | 6 green | 5 blue
+
+
+/* some RGB color definitions                                                 */
+#define Black           0x0000      /*   0,   0,   0 */
+#define Navy            0x000F      /*   0,   0, 128 */
+#define DarkGreen       0x03E0      /*   0, 128,   0 */
+#define DarkCyan        0x03EF      /*   0, 128, 128 */
+#define Maroon          0x7800      /* 128,   0,   0 */
+#define Purple          0x780F      /* 128,   0, 128 */
+#define Olive           0x7BE0      /* 128, 128,   0 */
+#define LightGrey       0xC618      /* 192, 192, 192 */
+#define DarkGrey        0x7BEF      /* 128, 128, 128 */
+#define Blue            0x001F      /*   0,   0, 255 */
+#define Green           0x07E0      /*   0, 255,   0 */
+#define Cyan            0x07FF      /*   0, 255, 255 */
+#define Red             0xF800      /* 255,   0,   0 */
+#define Magenta         0xF81F      /* 255,   0, 255 */
+#define Yellow          0xFFE0      /* 255, 255,   0 */
+#define White           0xFFFF      /* 255, 255, 255 */
+#define Orange          0xFD20      /* 255, 165,   0 */
+#define GreenYellow     0xAFE5      /* 173, 255,  47 */
+
+
+/** Display control class, based on GraphicsDisplay and TextDisplay
+ *
+ * Example:
+ * @code
+ * #include "stdio.h"
+ * #include "mbed.h"
+ * #include "SPI_TFT_ILI9341.h"
+ * #include "string"
+ * #include "Arial12x12.h"
+ * #include "Arial24x23.h"
+ * 
+ *
+ *
+ * // the TFT is connected to SPI pin 5-7 
+ * SPI_TFT_ILI9341 TFT(p5, p6, p7, p8, p15,"TFT"); // mosi, miso, sclk, cs, reset
+ * 
+ * int main() {
+ *     TFT.claim(stdout);      // send stdout to the TFT display 
+ *     //TFT.claim(stderr);      // send stderr to the TFT display
+ *
+ *     TFT.background(Black);    // set background to black
+ *     TFT.foreground(White);    // set chars to white
+ *     TFT.cls();                // clear the screen
+ *     TFT.set_font((unsigned char*) Arial12x12);  // select the font
+ *     
+ *     TFT.set_orientation(0);
+ *     TFT.locate(0,0);
+ *     printf("  Hello Mbed 0");
+ *     TFT.set_font((unsigned char*) Arial24x23);  // select font 2
+ *     TFT.locate(48,115);
+ *     TFT.printf("Bigger Font");
+ *  }
+ * @endcode
+ */
+ class SPI_TFT_ILI9341 : public GraphicsDisplay {
+ public:
+
+  /** Create a SPI_TFT object connected to SPI and two pins
+   *
+   * @param mosi,miso,sclk SPI
+   * @param cs pin connected to CS of display
+   * @param reset pin connected to RESET of display
+   *
+   */ 
+  SPI_TFT_ILI9341(PinName mosi, PinName miso, PinName sclk, PinName cs, PinName reset, PinName dc, const char* name ="TFT");
+    
+  /** Get the width of the screen in pixel
+   *
+   * @param 
+   * @returns width of screen in pixel
+   *
+   */    
+  virtual int width();
+
+  /** Get the height of the screen in pixel
+   *
+   * @returns height of screen in pixel 
+   *
+   */     
+  virtual int height();
+    
+  /** Draw a pixel at x,y with color 
+   *  
+   * @param x horizontal position
+   * @param y vertical position
+   * @param color 16 bit pixel color
+   */    
+  virtual void pixel(int x, int y,int colour);
+    
+  /** draw a circle
+   *
+   * @param x0,y0 center
+   * @param r radius
+   * @param color 16 bit color                                                                 *
+   *
+   */    
+  void circle(int x, int y, int r, int colour); 
+  
+  /** draw a filled circle
+   *
+   * @param x0,y0 center
+   * @param r radius
+   * @param color 16 bit color                                                                 *
+   *
+   * use circle with different radius,
+   * can miss some pixel
+   */    
+  void fillcircle(int x, int y, int r, int colour); 
+  
+ 
+    
+  /** draw a 1 pixel line
+   *
+   * @param x0,y0 start point
+   * @param x1,y1 stop point
+   * @param color 16 bit color
+   *
+   */    
+  void line(int x0, int y0, int x1, int y1, int colour);
+    
+  /** draw a rect
+   *
+   * @param x0,y0 top left corner
+   * @param x1,y1 down right corner
+   * @param color 16 bit color
+   *                                                   *
+   */    
+  void rect(int x0, int y0, int x1, int y1, int colour);
+    
+  /** draw a filled rect
+   *
+   * @param x0,y0 top left corner
+   * @param x1,y1 down right corner
+   * @param color 16 bit color
+   *
+   */    
+  void fillrect(int x0, int y0, int x1, int y1, int colour);
+    
+  /** setup cursor position
+   *
+   * @param x x-position (top left)
+   * @param y y-position 
+   */   
+  virtual void locate(int x, int y);
+    
+  /** Fill the screen with _backgroun color
+   *
+   */   
+  virtual void cls (void);   
+    
+  /** calculate the max number of char in a line
+   *
+   * @returns max columns
+   * depends on actual font size
+   *
+   */    
+  virtual int columns(void);
+    
+  /** calculate the max number of columns
+   *
+   * @returns max column
+   * depends on actual font size
+   *
+   */   
+  virtual int rows(void);
+    
+  /** put a char on the screen
+   *
+   * @param value char to print
+   * @returns printed char
+   *
+   */
+  virtual int _putc(int value);
+    
+  /** draw a character on given position out of the active font to the TFT
+   *
+   * @param x x-position of char (top left) 
+   * @param y y-position
+   * @param c char to print
+   *
+   */    
+  virtual void character(int x, int y, int c);
+    
+  /** paint a bitmap on the TFT 
+   *
+   * @param x,y : upper left corner 
+   * @param w width of bitmap
+   * @param h high of bitmap
+   * @param *bitmap pointer to the bitmap data
+   *
+   *   bitmap format: 16 bit R5 G6 B5
+   * 
+   *   use Gimp to create / load , save as BMP, option 16 bit R5 G6 B5            
+   *   use winhex to load this file and mark data stating at offset 0x46 to end
+   *   use edit -> copy block -> C Source to export C array
+   *   paste this array into your program
+   * 
+   *   define the array as static const unsigned char to put it into flash memory
+   *   cast the pointer to (unsigned char *) :
+   *   tft.Bitmap(10,40,309,50,(unsigned char *)scala);
+   */    
+  void Bitmap(unsigned int x, unsigned int y, unsigned int w, unsigned int h,unsigned char *bitmap);
+    
+    
+   /** paint a 16 bit BMP from local filesytem on the TFT (slow) 
+   *
+   * @param x,y : upper left corner 
+   * @param *Name_BMP name of the BMP file
+   * @returns 1 if bmp file was found and painted
+   * @returns -1 if bmp file was found not found
+   * @returns -2 if bmp file is not 16bit
+   * @returns -3 if bmp file is to big for screen 
+   * @returns -4 if buffer malloc go wrong
+   *
+   *   bitmap format: 16 bit R5 G6 B5
+   * 
+   *   use Gimp to create / load , save as BMP, option 16 bit R5 G6 B5
+   *   copy to internal file system            
+   * 
+   */      
+    
+  int BMP_16(unsigned int x, unsigned int y, const char *Name_BMP);  
+    
+    
+    
+  /** select the font to use
+   *
+   * @param f pointer to font array 
+   *                                                                              
+   *   font array can created with GLCD Font Creator from http://www.mikroe.com
+   *   you have to add 4 parameter at the beginning of the font array to use: 
+   *   - the number of byte / char
+   *   - the vertial size in pixel
+   *   - the horizontal size in pixel
+   *   - the number of byte per vertical line
+   *   you also have to change the array to char[]
+   *
+   */  
+  void set_font(unsigned char* f);
+   
+  /** Set the orientation of the screen
+   *  x,y: 0,0 is always top left 
+   *
+   * @param o direction to use the screen (0-3) 90&#65533; Steps  
+   *
+   */  
+  //void set_orientation(unsigned int o);
+    
+  SPI _spi;
+  DigitalOut _cs; 
+  DigitalOut _reset;
+  DigitalOut _dc;
+  unsigned char* font;
+  
+  
+  
+   
+protected:
+
+  /** Set draw window region to whole screen
+   *
+   */  
+  void WindowMax (void);
+
+
+  /** draw a horizontal line
+   *
+   * @param x0 horizontal start
+   * @param x1 horizontal stop
+   * @param y vertical position
+   * @param color 16 bit color                                               
+   *
+   */
+  void hline(int x0, int x1, int y, int colour);
+    
+  /** draw a vertical line
+   *
+   * @param x horizontal position
+   * @param y0 vertical start 
+   * @param y1 vertical stop
+   * @param color 16 bit color
+   */
+  void vline(int y0, int y1, int x, int colour);
+    
+  /** Set draw window region
+   *
+   * @param x horizontal position
+   * @param y vertical position
+   * @param w window width in pixel
+   * @param h window height in pixels
+   */    
+  virtual void window (unsigned int x,unsigned int y, unsigned int w, unsigned int h);
+    
+ 
+    
+  /** Init the HX8347D controller 
+   *
+   */    
+  void tft_reset();
+    
+   /** Write data to the LCD controller
+   *
+   * @param dat data written to LCD controller
+   * 
+   */   
+  //void wr_dat(unsigned int value);
+  void wr_dat(unsigned char value);
+    
+  /** Write a command the LCD controller 
+   *
+   * @param cmd: command to be written   
+   *
+   */   
+  void wr_cmd(unsigned char value);
+    
+   /** Start data sequence to the LCD controller
+   * 
+   */   
+  //void wr_dat_start();
+    
+  /** Stop of data writing to the LCD controller
+   *   
+   */  
+  //void wr_dat_stop();
+    
+  /** write data to the LCD controller
+   *
+   * @param data to be written 
+   *                                           *
+   */    
+  //void wr_dat_only(unsigned short dat);
+    
+  /** Read data from the LCD controller
+   *
+   * @returns data from LCD controller
+   *  
+   */    
+  //unsigned short rd_dat(void);
+    
+  /** Write a value to the to a LCD register
+   *
+   * @param reg register to be written
+   * @param val data to be written
+   */   
+  //void wr_reg (unsigned char reg, unsigned char val);
+    
+  /** Read a LCD register
+   *
+   * @param reg register to be read
+   * @returns value of the register 
+   */    
+  //unsigned short rd_reg (unsigned char reg);
+    
+  unsigned char spi_port; 
+  unsigned int orientation;
+  unsigned int char_x;
+  unsigned int char_y;
+ 
+    
+};
+
+#endif
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/TextDisplay.cpp	Wed Jun 12 22:54:38 2013 +0000
@@ -0,0 +1,77 @@
+/* mbed TextDisplay Display Library Base Class
+ * Copyright (c) 2007-2009 sford
+ * Released under the MIT License: http://mbed.org/license/mit
+ */
+ 
+#include "TextDisplay.h"
+
+TextDisplay::TextDisplay(const char *name) : Stream(name){
+    _row = 0;
+    _column = 0;
+    if (name == NULL) {
+        _path = NULL;
+    } else {
+        _path = new char[strlen(name) + 2];
+        sprintf(_path, "/%s", name);
+    }
+}
+    
+int TextDisplay::_putc(int value) {
+    if(value == '\n') {
+        _column = 0;
+        _row++;
+        if(_row >= rows()) {
+            _row = 0;
+        }
+    } else {
+        character(_column, _row, value);
+        _column++;
+        if(_column >= columns()) {
+            _column = 0;
+            _row++;
+            if(_row >= rows()) {
+                _row = 0;
+            }
+        }
+    }
+    return value;
+}
+
+// crude cls implementation, should generally be overwritten in derived class
+void TextDisplay::cls() {
+    locate(0, 0);
+    for(int i=0; i<columns()*rows(); i++) {
+        putc(' ');
+    }
+}
+
+void TextDisplay::locate(int column, int row) {
+    _column = column;
+    _row = row;
+}
+
+int TextDisplay::_getc() {
+    return -1;
+}
+        
+void TextDisplay::foreground(uint16_t colour) {
+    _foreground = colour;
+}
+
+void TextDisplay::background(uint16_t colour) {
+    _background = colour;
+}
+
+bool TextDisplay::claim (FILE *stream) {
+    if ( _path == NULL) {
+        fprintf(stderr, "claim requires a name to be given in the instantioator of the TextDisplay instance!\r\n");
+        return false;
+    }
+    if (freopen(_path, "w", stream) == NULL) {
+        // Failed, should not happen
+        return false;
+    }
+    // make sure we use line buffering
+    setvbuf(stdout, NULL, _IOLBF, columns());
+    return true;
+} 
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/TextDisplay.h	Wed Jun 12 22:54:38 2013 +0000
@@ -0,0 +1,80 @@
+/* mbed TextDisplay Library Base Class
+ * Copyright (c) 2007-2009 sford
+ * Released under the MIT License: http://mbed.org/license/mit
+ *
+ * A common base class for Text displays
+ * To port a new display, derive from this class and implement
+ * the constructor (setup the display), character (put a character
+ * at a location), rows and columns (number of rows/cols) functions.
+ * Everything else (locate, printf, putc, cls) will come for free
+ *
+ * The model is the display will wrap at the right and bottom, so you can
+ * keep writing and will always get valid characters. The location is 
+ * maintained internally to the class to make this easy
+ */
+
+#ifndef MBED_TEXTDISPLAY_H
+#define MBED_TEXTDISPLAY_H
+
+#include "mbed.h"
+
+class TextDisplay : public Stream {
+public:
+
+  // functions needing implementation in derived implementation class
+  /** Create a TextDisplay interface
+     *
+     * @param name The name used in the path to access the strean through the filesystem
+     */
+    TextDisplay(const char *name = NULL);
+
+    /** output a character at the given position
+     *
+     * @param column column where charater must be written
+     * @param  row where character must be written
+     * @param c the character to be written to the TextDisplay
+     */
+    virtual void character(int column, int row, int c) = 0;
+
+    /** return number if rows on TextDisplay
+     * @result number of rows
+     */
+    virtual int rows() = 0;
+
+    /** return number if columns on TextDisplay
+    * @result number of rows
+    */
+    virtual int columns() = 0;
+    
+    // functions that come for free, but can be overwritten
+
+    /** redirect output from a stream (stoud, sterr) to  display
+    * @param stream stream that shall be redirected to the TextDisplay
+    */
+    virtual bool claim (FILE *stream);
+
+    /** clear screen
+    */
+    virtual void cls();
+    virtual void locate(int column, int row);
+    virtual void foreground(uint16_t colour);
+    virtual void background(uint16_t colour);
+    // putc (from Stream)
+    // printf (from Stream)
+    
+protected:
+
+    virtual int _putc(int value);
+    virtual int _getc();
+
+    // character location
+    uint16_t _column;
+    uint16_t _row;
+
+    // colours
+    uint16_t _foreground;
+    uint16_t _background;
+    char *_path;
+};
+
+#endif