Diff: Display/Display.h

Revision:

10:1ac4b213f0f7

Parent:

9:a33326afd686

Child:

22:1a58a518435c

--- a/Display/Display.h	Thu Dec 11 18:23:07 2014 +0000
+++ b/Display/Display.h	Fri Dec 19 09:03:25 2014 +0100
@@ -18,6 +18,7 @@
 #define DISPLAY_H
 
 #include "mbed.h"
+#include "bios.h"
 
 /**
  * Display example
@@ -54,50 +55,29 @@
  */
 class Display {
 public:
-    enum Constants {
-        NumLEDs       =  4,
-    };
-  
     enum DisplayError {
-        Ok            =       0,
-        ConfigError   =       1,
-        WrongBPP      =       2,
-        InvalidParam  =       3,
-        NoInit        =       4,
+        DisplayError_Ok                =   BiosError_Ok,
+        DisplayError_ConfigError       =   BiosError_ConfigError,
+        DisplayError_WrongBPP          =   BiosError_WrongBPP,
+        DisplayError_InvalidParam      =   BiosError_InvalidParam,
+        DisplayError_NoInit            =   BiosError_NoInit,
+        DisplayError_CalibrationError  =   BiosError_Calibration,
+        DisplayError_MemoryError,
     };
     
     enum Resolution {
-        Resolution_16bit_rgb565 = 16,
-        Resolution_18bit_rgb666 = 18,
-        Resolution_24bit_rgb888 = 24,
+        Resolution_16bit_rgb565 = Res_16bit_rgb565,
+        Resolution_18bit_rgb666 = Res_18bit_rgb666,
+        Resolution_24bit_rgb888 = Res_24bit_rgb888,
     };
     
-    /** Get the only instance of the Display
-     *
-     *  @returns The display
-     */
-    static Display& instance()
-    {
-        static Display singleton;
-        return singleton;
-    }
-  
-
-    /** Initializes the display but does not turn it on
-     *
-     *  @returns
-     *       Ok on success
-     *       An error code on failure
-     */
-    DisplayError init();
-  
     /** Turns the display on with the specified framebuffer showing
      *
      *  @returns
      *       Ok on success
      *       An error code on failure
      */
-    DisplayError powerUp(void* framebuffer, Resolution wanted = Resolution_16bit_rgb565);
+    virtual DisplayError powerUp(void* framebuffer, Resolution wanted = Resolution_16bit_rgb565) = 0;
   
     /** Turns the display off
      *
@@ -105,7 +85,7 @@
      *       Ok on success
      *       An error code on failure
      */
-    DisplayError powerDown();
+    virtual DisplayError powerDown() = 0;
   
     /** Sets the backlight level. 0% is off and 100% is fully on
      *
@@ -113,14 +93,15 @@
      *       Ok on success
      *       An error code on failure
      */
-    DisplayError backlight(int percent);
+    virtual DisplayError backlight(int percent) = 0;
   
-    uint16_t width() { return _width; }
-    uint16_t height() { return _height; }
-    uint16_t bpp() { return _bpp; }
-    uint32_t fbSize() { return _fbSize; }
-    bool landscape() { return _landscape; }
-    bool isSupported(Resolution res);
+    virtual uint16_t width() = 0;
+    virtual uint16_t height() = 0;
+    virtual uint16_t bytesPerPixel() = 0;
+    virtual uint32_t fbSize() = 0;
+    virtual bool landscape() = 0;
+    virtual bool isSupported(Resolution res) = 0;
+    virtual Resolution currentResolution() = 0;
     
     /** Replaces the current framebuffer.
      *
@@ -130,7 +111,7 @@
      *
      *  @param buff the new framebuffer
      */
-    void setFramebuffer(void* buff);
+    virtual void setFramebuffer(void* buff) = 0;
     
     /** Replaces the current framebuffer with the specified one.
      *
@@ -141,7 +122,7 @@
      *  @param buff the new framebuffer
      *  @returns the old framebuffer
      */
-    void* swapFramebuffer(void* buff);
+    virtual void* swapFramebuffer(void* buff) = 0;
     
     /** Allocate enough memory for one framebuffer
      *
@@ -152,38 +133,7 @@
      *
      *  @returns a new framebuffer or NULL if out of memory 
      */
-    void* allocateFramebuffer(Resolution res=Resolution_16bit_rgb565);
-
-private:
-
-    bool _initialized;
-    bool _poweredOn;
-    DigitalOut _pinWP;
-    DigitalOut _pin3v3;
-    DigitalOut _pin5v;
-    DigitalOut _pinDE;
-    DigitalOut _pinColDepth;
-    PwmOut _pinBacklight;
-
-    uint16_t _width;
-    uint16_t _height;
-    uint16_t _bpp;
-    uint32_t _fbSize;
-    bool _landscape;
-
-    explicit Display();
-    // hide copy constructor
-    Display(const Display&);
-    // hide assign operator
-    Display& operator=(const Display&);
-    ~Display();
-    
-    void pinInit(bool powerOn, Resolution res=Resolution_16bit_rgb565);
-    DisplayError regInit(void* info, Resolution res);
-    uint32_t getClockDivisor(uint32_t clock);
-    void set3v3(bool on);
-    void set5v(bool on);
-    void setDisplayEnable(bool enable);    
+    virtual void* allocateFramebuffer(Resolution res=Resolution_16bit_rgb565) = 0;
 };
 
 #endif