lcd.c

s3c44b0红外解码。源码使用SOURCE INSIGHT打开 用ADS1.2编译。

#include ".\inc\def.h"
#include ".\inc\44b.h"
//*************************640x240*******************************************
#define SCR_XSIZE 	(640)  
#define SCR_YSIZE 	(240)

#define LCD_XSIZE 	(640)
#define LCD_YSIZE 	(240)

#define M5D(n) ((n) & 0x1fffff)

#define ARRAY_SIZE_MONO 	(SCR_XSIZE/8*SCR_YSIZE)
#define ARRAY_SIZE_G4   	(SCR_XSIZE/4*SCR_YSIZE)
#define ARRAY_SIZE_G16  	(SCR_XSIZE/2*SCR_YSIZE)
#define ARRAY_SIZE_COLOR  	(SCR_XSIZE/1*SCR_YSIZE)

#define HOZVAL			(LCD_XSIZE/4-1)
#define HOZVAL_COLOR	(LCD_XSIZE*3/8-1)
#define LINEVAL			(LCD_YSIZE-1)
#define MVAL			(13)

#define CLKVAL_MONO 	(10)  	//60Mhz, CLKVAL=10 -> 152 Hz
 							  	//			  	30 -> 51.6Hz
								//				50 -> 30  Hz	
#define CLKVAL_G4 		(10)
#define CLKVAL_G16 		(10)
#define CLKVAL_COLOR	(10)
#define MVAL_USED 1	
U32 LcdBuffer[SCR_XSIZE*SCR_YSIZE/4];
/*********************************************************************/
void lcd_Init(void);
void Lcddraw_backgroundcolor(U8 color_code);

void lcd_Init(void)
{
	rLCDCON1=(0)|(2<<5)|(MVAL_USED<<7)|(0x3<<8)|(0x3<<10)|(CLKVAL_COLOR<<12);
	    // disable,8B_SNGL_SCAN,WDLY=8clk,WLH=8clk,
	rLCDCON2=(LINEVAL)|(HOZVAL_COLOR<<10)|(10<<21);  
	    //LINEBLANK=10 (without any calculation) 
	rLCDSADDR1= (0x3<<27) | ( ((U32)LcdBuffer>>22)<<21 ) | M5D((U32)LcdBuffer>>1);
	    // 256-color, LCDBANK, LCDBASEU
	rLCDSADDR2= M5D((((U32)LcdBuffer+(SCR_XSIZE*LCD_YSIZE))>>1)) | (MVAL<<21);
	rLCDSADDR3= (LCD_XSIZE/2) | ( ((SCR_XSIZE-LCD_XSIZE)/2)<<9 );

	//The following value has to be changed for better display.

	rREDLUT  =0xfdb96420;
	rGREENLUT=0xfdb96420;
	rBLUELUT =0xfb40;

	rDITHMODE=0x0;
	rDP1_2 =0xa5a5;      
	rDP4_7 =0xba5da65;
	rDP3_5 =0xa5a5f;
	rDP2_3 =0xd6b;
	rDP5_7 =0xeb7b5ed;
	rDP3_4 =0x7dbe;
	rDP4_5 =0x7ebdf;
	rDP6_7 =0x7fdfbfe;

	rLCDCON1=(1)|(2<<5)|(MVAL_USED<<7)|(0x3<<8)|(0x3<<10)|(CLKVAL_COLOR<<12);
	    // enable,8B_SNGL_SCAN,WDLY=8clk,WLH=8clk,

}



/****************************************************************************
【功能说明】液晶显示屏全屏填充某一个8位二进制数
****************************************************************************/
void Lcddraw_backgroundcolor(U8 color_code)
{int i;
U32 *pbuf=LcdBuffer;
for(i=0;i<10;i++)
	*pbuf++=(color_code<<24)+(color_code<<16)+(color_code<<8)+color_code;

}	
//***************************************************************************