c12832.md

title	C12832 LCD Display Generic Interface
layout	default

Public Methods

 /** Create a C12832 object connected to SPI1
   *
   */
 C12832(PinName mosi, PinName sck, PinName reset, PinName a0, PinName ncs, const char* name = "LCD");


 /** 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 black or white
  *
  * @param x horizontal position
  * @param y vertical position
  * @param colour ,1 set pixel ,0 erase pixel
  */
 virtual void pixel(int x, int y,int colour);

 /** draw a circle
   *
   * @param x0,y0 center
   * @param r radius
   * @param colour ,1 set pixel ,0 erase pixel
   *
   */
 void circle(int x, int y, int r, int colour);

 /** draw a filled circle
  *
  * @param x0,y0 center
  * @param r radius
  * @param color ,1 set pixel ,0 erase pixel
  *
  * 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 ,1 set pixel ,0 erase pixel
   *
   */
 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 1 set pixel ,0 erase pixel
   *                                                   *
 */
 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 1 set pixel ,0 erase pixel
   *
   */
 void fillrect(int x0, int y0, int x1, int y1, int colour);

 /** copy display buffer to lcd
   *
   */
 void copy_to_lcd(void);

 /** set the contrast level
   *
   */
 void set_contrast(unsigned int o);

 /** read the contrast level
   *
   */
 unsigned int get_contrast(void);

 /** invert the screen
   *
   * @param o = 0 normal, 1 invert
   */
 void invert(unsigned int o);

 /** clear the screen
    *
    */
 virtual void cls(void);

 /** set the drawing mode
   *
   * @param mode NORMAl or XOR
   */
 void setmode(int mode);

 /** calculate the max number of columns
  *
  * @returns max column
  * depends on actual font size
  *
  */
 virtual int columns(void);

 /** calculate the max number of rows
  *
  * @returns max row
  * 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 LCD
  *
  * @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);

 /** setup cursor position
  *
  * @param x x-position (top left)
  * @param y y-position
  */
 virtual void locate(int x, int y);
 
 /** setup auto update of screen 
   *
   * @param up 1 = on , 0 = off
   * if switched off the program has to call copy_to_lcd() 
   * to update screen from framebuffer
   */
 void set_auto_up(unsigned int up);

 /** get status of the auto update function
   *
   *  @returns if auto update is on
   */
 unsigned int get_auto_up(void);

 /** 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);
 
 /** print bitmap to buffer
   *
   * @param bm Bitmap in flash
   * @param x  x start
   * @param y  y start 
   *
   */

 void print_bm(Bitmap bm, int x, int y);

{: .code}