File content as of revision 5:18920a7a693e:

/* mbed library for 128*160 pixel display TFT based on S6D0151 LCD Controller
 * S6D0151 specific routines (initialization, window addressing, pixel output) 
 * 
 */
 
#ifndef MBED_S6D0151_TFT_H
#define MBED_S6D0151_TFT_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 */

#define TFT_REVERSE_ON  0
#define TFT_REVERSE_OFF 1

class S6D0151_TFT : public GraphicsDisplay {
 public:

  /** Create a ST7735_TFT object connected to SPI and three pins. S6D0151 NOT requires rs pin.
   * for SPI connection,rs pin is included start byte data. 
   * @param mosi,miso,sclk SPI
   * @param cs pin connected to CS of display (called SS for 'Slave Select' in ST7735 datasheet)
   * @param reset pin connected to RESET of display
   *
   */ 
  S6D0151_TFT(PinName mosi, PinName miso, PinName sclk, PinName cs, PinName reset,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 filled circle v2
   *
   * @param x0,y0 center
   * @param r radius
   * @param color 16 bit color                                                                 *
   *
   * use circle with different radius,
   * can miss some pixel
   */    
  void fillcircle2(int x0, int y0, int r, int color);

  /** 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);
    
  /** 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)  
   *
   */  
  void set_orientation(unsigned int o);
  
  /** set TFT display image reverse
   * @param rev  TFT_REVERSE_ON , TFT_REVERSE_OFF
   * for daylight,maybe you need reverse on.
   */
  void reverse(int rev);
  
  SPI _spi;
  DigitalOut _cs;
  DigitalOut _reset;
  unsigned char* font;
   
protected:

  /** 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);
    
  /** Set draw window region to whole screen
   *
   */  
  void WindowMax (void);
    
  /** Init the S6D0151 controller
   * reference demo code.
   */    
  void tft_reset();
    
    
   /** Start data sequence to the LCD controller
   * 
   */   
  void wr_dat_start();
    
  /** Stop of data writing to the LCD controller
   *   
   */  
  void wr_dat_stop();

  /** Send register and data write to the LCD controller
   *  Write to the Register in SPI.
   *  And it will send two times since it sets the RS at the start Byte.
   */  
  void regwr(unsigned short reg,unsigned short dat);

  /** Send only register write to the LCD controller
   *   
   */  
  void reg0(unsigned short reg);

  /** Set Wirte start address
   *  GRAM ADDRESS SET (R21h)
   *    addr = (((top&0xff)<<8)|(left&0xff));
   *    regwr( 0x0021 , addr );
   */  
  void set_start_address(int left,int top);

    
  unsigned int orientation;
  unsigned int char_x;
  unsigned int char_y;
 
    
};

#endif