lcd.h

s3c44b0的lcd－driver 可以运行

/*
 *************************************************************************
 * Copyright (c) 2003, The Lab of Embedded System and Net Security,WHUT..
 * All rights reserved. 
 *
 * Filename:    lcd.h
 * Discription: This file drives lcd
 * 
 * version:            1.0
 * Author:             Qiu Yanfei <[e-mail]>
 * Accomplished Date:  2004/7/28 19:55:00
 *************************************************************************
*/
#ifndef __LCD_H__
#define __LCD_H__

#ifdef  LCD_GLOBALS
	#define  LCD_EXT
#else
	#define  LCD_EXT extern 
#endif  

#include	"..\cpu\def.h"  

#define SCR_XSIZE 	(320)  
#define SCR_YSIZE 	(240)

//active lcd buffer size
#define LCD_XSIZE 	(320)
#define LCD_YSIZE 	(240)

#define M5D(n) ((n) & 0x1fffff)
#define ARRAY_SIZE_COLOR 	(SCR_XSIZE/1*SCR_YSIZE)
#define LINEVAL			(LCD_YSIZE-1)
#define MVAL			(13)
#define MVAL_USED 0
#define LCD_BUF_SIZE (SCR_XSIZE * SCR_YSIZE)

#ifdef  CORLOR_LCD
#define COLOR_NUMBER 256
#define HOZVAL			(LCD_XSIZE*3/8-1)
#define CLKVAL 		(4) //60Mhz 
#define DISMODE   2 //8-bit single scan display mode
#define MODESEL 3 //color mode

#define BLACK 	0x00
#define WHITE 	0xff
#define RED 	0xe0
#define GREEN 	0x1c
#define BLUE 	0x03
#define YELLOW 	0xfc
#define ALLBLACK ((BLACK << 24) | (BLACK << 16) | (BLACK << 8) | BLACK)
#define ALLWHITE ((WHITE << 24)  | (WHITE << 16)  | (WHITE << 8)  | WHITE)
#define ALLBLUE  ((BLUE << 24)  | (BLUE << 16)  | (BLUE << 8)  | BLUE)
#define LIGHTGRAY    0xa0
#define DARKGRAY     0x50
#define TRANSPARENCY 0xff
#define DEFAULT_COLOR   (YELLOW)

LCD_EXT U32 aLcdActiveBuffer[LCD_YSIZE][LCD_XSIZE/4];

#define LCD_PutPixel(x, y, c)\
	aLcdActiveBuffer[(y)][(x)/4]=(( aLcdActiveBuffer[(y)][(x)/4] & (~(0xff000000>>((x)%4)*8)) ) | ( (c)<<((4-1-((x)%4))*8) ));
#define LCD_ActivePutPixel(x, y, c)\
	aLcdActiveBuffer[(y)][(x)/4]=(( aLcdActiveBuffer[(y)][(x)/4] & (~(0xff000000>>((x)%4)*8)) )\
	| ( (c)<<((4-1-((x)%4))*8) ));
#else

#define BLACK 	0x01
#define WHITE 	0x00
#define DEFAULT_COLOR   (BLACK)
#define HOZVAL			(LCD_XSIZE/4-1)
#define CLKVAL 		(10) //68Mhz 
#define DISMODE   1 //4-bit single scan display mode
#define MODESEL   0 //monocrome mode
LCD_EXT unsigned int aLcdActiveBuffer[SCR_YSIZE][SCR_XSIZE/32]; 

#define LCD_ActivePutPixel(x, y, c)\
	aLcdActiveBuffer[(y)][(x)/8]=(( aLcdActiveBuffer[(y)][(x)/8] & (~(0x80>>((x)%8))) ) | ( (c)<<(7-((x)%8))));
#define LCD_PutPixel(x, y, c)\
	aLcdActiveBuffer[(y)][(x)/32]=( aLcdActiveBuffer[(y)][(x)/32] & ~(0x80000000>>((x)%32)*1) ) | ( (c)<< ((32-1-((x)%32))*1) );
#endif	/* CORLOR_LCD */

#ifndef RED
#define RED 	0x00
#endif

#ifndef GREEN
#define GREEN 	0x00
#endif

#ifndef BLUE
#define BLUE 	0x00
#endif

#ifndef YELLOW
#define YELLOW 	0x00
#endif

#define GUISWAP(a, b) {a^=b; b^=a; a^=b;}
LCD_EXT void Lcd_Init(void);
LCD_EXT void Lcd_Clr(void);
void Lcd_Draw_Box (U16 usLeft, U16 usTop, U16 usRight, U16 usBottom, U8 ucColor);
void Lcd_Draw_Line (U16 usX0, U16 usY0, U16 usX1, U16 usY1, U8 ucColor, U16 usWidth);
void Lcd_Draw_HLine (U16 usX0, U16 usX1, U16 usY0, U8 ucColor, U16 usWidth);
void Lcd_Draw_VLine (U16 usY0, U16 usY1, U16 usX0, U8 ucColor, U16 usWidth);
void Lcd_Fill_Box (U16 usX0, U16 usY0, U16 usX1, U16 usY1, U8 ucColor);

#endif