Basically i glued Peter Drescher and Simon Ford libs in a GraphicsDisplay class, then derived TFT or LCD class (which inherits Protocols class), then the most derived ones (Inits), which are per-display and are the only part needed to be adapted to diff hw.

Fork of UniGraphic by GraphicsDisplay

Revision:
7:bb0383b91104
Parent:
6:8356d48a07db
Child:
11:b842b8e332cb
--- a/Protocols/PAR16.h	Mon Feb 16 01:18:29 2015 +0000
+++ b/Protocols/PAR16.h	Tue Feb 17 11:02:06 2015 +0000
@@ -75,19 +75,26 @@
     */   
     virtual void wr_grambuf(unsigned short* data, unsigned int lenght);
     
-    /** Read 4x8bit data from display controller (with dummy cycle)
-    *
-    * @returns data as uint
-    *
-    */ 
-    virtual unsigned int rd_data32_wdummy();
-    
     /** Read 16bit pixeldata from display controller (with dummy cycle)
     *
     * @returns 16bit color
     */ 
     virtual unsigned short rd_gram();
     
+    /** Read 4x8bit register data (with dummy cycle)
+    * @param reg the register to read
+    * @returns data as uint
+    * 
+    */ 
+    virtual unsigned int rd_reg_data32(unsigned char reg);
+    
+    /** Read 3x8bit ExtendedCommands register data
+    * @param reg the register to read
+    * @returns data as uint
+    * @note EXTC regs (0xB0 to 0xFF) are read/write registers, for Parallel mode directly accessible in both directions
+    */ 
+    virtual unsigned int rd_extcreg_data32(unsigned char reg, unsigned char SPIreadenablecmd);
+    
     /** HW reset sequence (without display init commands)   
     */
     virtual void hw_reset();