LCD

Fork of C12832 by Chris Styles

Revision:
1:66dd8afbfd06
Parent:
0:4bbc531be6e2
Child:
3:468cdccff7af
--- a/C12832_lcd.h	Tue Oct 16 14:05:57 2012 +0000
+++ b/C12832_lcd.h	Tue Oct 16 17:50:37 2012 +0000
@@ -19,7 +19,7 @@
 #include "GraphicsDisplay.h"
 
 
-/** optional Defines : 
+/** optional Defines :
   * #define debug_lcd  1  enable infos to PC_USB
   */
 
@@ -35,10 +35,10 @@
 #define DMA_DEST_SSP1_TX        (2UL << 6)
 #define DMA_DEST_SSP0_TX        (0UL << 6)
 
- /** Draw mode
-   * NORMAl 
-   * XOR set pixel by xor the screen
-   */  
+/** Draw mode
+  * NORMAl
+  * XOR set pixel by xor the screen
+  */
 enum {NORMAL,XOR};
 
 class C12832_LCD : public GraphicsDisplay
@@ -101,95 +101,103 @@
       *
       */
     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 
+    *
+    * @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 orienation of the screen
-     *
-     */
+      *
+      */
+
+    //void set_orientation(unsigned int o);
 
-    void set_orientation(unsigned int o);
-
-/** set the contrast of the screen
-     *
-     */
+    /** set the contrast of the screen
+      *
+      * @param o contrast 0-63
+      */
 
     void set_contrast(unsigned int o);
-    
-/** invert the screen 
-  *
-  * @param o = 0 normal, 1 invert
-  */     
+
+    /** 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);
-   
-   int columns(void);
-    
-  /** calculate the max number of columns
-   *
-   * @returns max column
-   * depends on actual font size
-   *
-   */   
-  int rows(void);
-    
-  /** put a char on the screen
-   *
-   * @param value char to print
-   * @returns printed char
-   *
-   */
-  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 
-   */   
-  void locate(int x, int y);
-   
+
+    /** clear the screen
+       *
+       */
+    virtual void cls(void);
+
+    /** set the drawing mode
+      *
+      * @param mode NORMAl or XOR
+      */
+
+    void setmode(int mode);
+
+    int columns(void);
+
+    /** calculate the max number of columns
+     *
+     * @returns max column
+     * depends on actual font size
+     *
+     */
+    int rows(void);
+
+    /** put a char on the screen
+     *
+     * @param value char to print
+     * @returns printed char
+     *
+     */
+    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
+     */
+    void locate(int x, int y);
+
 
     /** Vars     */
     SPI _spi;
@@ -200,20 +208,20 @@
     unsigned int draw_mode;
 
 
- /** 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);
+    /** 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);
 
 
 protected:
@@ -255,13 +263,14 @@
       *
       */
     void wr_cmd(unsigned char value);
-    
+
     void wr_cnt(unsigned char cmd);
 
     unsigned int orientation;
     unsigned int char_x;
     unsigned int char_y;
     unsigned char buffer[512];
+    unsigned int contrast;
 
 };