hardware.h

驱动ppi

#ifndef _HARDWARE_HEAD
#define _HARDWARE_HEAD
#include <stdio.h>
#include <cdefBf531.h>
#include <ccblkfn.h>
#include <sys/exception.h>
#include <string.h>

#define RGB char
#define BLACK_COLOR 0x00
#define WHITE_COLOR 0x01
#define HS_MASK				6
#define TA_LEFT		0
#define TA_RIGHT	1
#define TA_CENTER	2

//SDRAM显示存储区起始地址定义	
#define XCNT 80						//Inner loop count for 2D DMA
#define YCNT 240//#define YCNT 262			//outer loop count for 2D DMA

#define X_RESOLUTION	80
#define Y_RESOLUTION	240



#define FRAME_SIZE 			XCNT*YCNT

#define SCREEN_SIZE			X_RESOLUTION*Y_RESOLUTION

	#define XMOD 1//#define XMOD 2	//because X_MODIFY is specified in bytes
	#define YMOD 1//#define YMOD 2
	
	#define FIELD_TOPPAD	19
	#define PADOFSTART			0//(XCNT*FIELD_TOPPAD*XMOD)
	#define FRAME_BUFFER1		(FrameBufferAddr1)
	#define FRAME_BUFFER2		(FrameBufferAddr2)
	
struct CstDisplay
{
	void (*ROP2)(RGB *, RGB);	//写屏模式
	char PenLine;				
	char PenNull;				//画笔样式
	short BrushStyle;			//画刷样式
	RGB BlkColor;				//背景色
	short Transparent;			
	short TxtHAlign;			//文本水平对齐模式
	short TxtVAlign;			//文本垂直对齐模式
	struct CstFont *pFont;		//首选字体属性：用户选择语言
	struct CstIcon *pBrush;		//画刷点阵图属性
	RGB * pMemory;				//显示存储区
	RGB * pScreen;				
};
extern struct CstDisplay Display;
extern char FrameBufferAddr1[];
extern char FrameBufferAddr2[];
extern char DisplayBuffer[];

inline void SetScreenAddr(unsigned int addr)
{
	Display.pScreen=(RGB *)addr;
}



inline void PasteMemory(void)
{
char *pDest;
const char *pSrc;
	pDest=(char *)Display.pScreen;
	pSrc=(const char *)Display.pMemory;
	memcpy(pDest, pSrc, X_RESOLUTION*Y_RESOLUTION*2);
}




extern volatile short bFlushOver;
extern void InitDPT(void);
extern void UpdateLCD(void);
extern void InitInterrupt(void);

#endif