Merge pull request #13 from MLXXXp/user_screen_access

Add uView.screenBuffer() for access to screen RAM.

MicroView.cpp

@@ -904,6 +904,14 @@ void MicroView::flipHorizontal(boolean flip) {
 	}
 }
 
+/** \brief Get pointer to screen buffer
+
+	Return a pointer to the start of the RAM screen buffer for direct access.
+*/
+uint8_t *MicroView::getScreenBuffer(void) {
+	return screenmemory;
+}
+
 /** \brief Parse command.
 
 	Command stored in serCmd array will be parsed to performed draw functions.

MicroView.h

@@ -192,6 +192,7 @@ public:
 	uint8_t getLCDHeight(void);
 	void setColor(uint8_t color);
 	void setDrawMode(uint8_t mode);
+	uint8_t *getScreenBuffer(void);
 
 	// Font functions
 	uint8_t getFontWidth(void);

keywords.txt

@@ -63,6 +63,7 @@ setValue	KEYWORD2
 draw	KEYWORD2
 reDraw	KEYWORD2
 drawFace	KEYWORD2
+getScreenBuffer	KEYWORD2
 checkComm	KEYWORD2
 
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