lcd.h

嵌入式系统ucgui图形接口源程序在arm7 s3c44b0x 开发板上的移植测试代码

#ifndef _LCD_H
#define _LCD_H

#include "reg.h"
#include "def.h"

#define LCD_XSIZE 240
#define LCD_YSIZE 320
#define LCD_DEPTH 4



#define B4_2_scan 0
#define B4_1_scan 1
#define B8_1_scan 2
#define SCANMODE B4_1_scan

#define MONO 0
#define GRAY_4 1
#define GRAY_16 2
#define COLOR 3
#define MODESEL GRAY_16

#if (SCANMODE<2)
 #define HOZVAL (LCD_XSIZE/4-1)
#else
 #define HOZVAL (LCD_XSIZE*3/8-1)
#endif

#if (SCANMODE==B4_2_scan)
 #define LINEVAL (LCD_YSIZE/2-1)
#else
 #define LINEVAL (LCD_YSIZE-1)
#endif

 
#define CLKVAL 6
#define WLH 3
#define WDLY 3
#define MMODE 0
#define DISMODE SCANMODE
#define MVAL 13
#define PAGEWIDTH (LCD_XSIZE*LCD_DEPTH/16)

/*************************函数名称：Display_Init(UINT*)*********************
函数功能：用户提供的显示初始化程序，用来初始化控制器和驱动器
入口：
	UINT *lpBuffer,显示缓冲区,大小是显示区域的2倍，用来做滚屏或双缓冲
出口：
	成功，返回1
	失败，返回0
**************************************************************************/
static BOOL Display_Init(UINT *lpBuffer)
{
	UINT nAddr=(UINT)lpBuffer;
	rPCONA = 0x1ff;	
	rPDATB = 0x04f;
	rPCONB = 0x10f;    
	rPDATC = 0xFFFF;
	rPCONC = 0x0005ff00;	
	rPUPC  = 0x3000;
	rPDATD= 0x55;
	rPCOND= 0xaaaa;	
	rPUPD = 0x00;
	rPDATE	= 0x157;
	rPCONE	= 0x1568;				
	rPUPE	= 0xff;
	rPDATF = 0x0;
	rPCONF = 0x024000;	 
	rPUPF  = 0x1d3;
	rPDATG = 0xff;
	rPCONG = 0xff0c;
	rPUPG  = 0x00;	
	rSPUCR=0x7; 
     	rPDATC = ( rPDATC & (~(1<<8)) );
	rDITHMODE=0x12210; 	
        rDP1_2 =0xa5a5;      
	rDP4_7 =0xba5da65;
	rDP3_5 =0xa5a5f;
	rDP2_3 =0xd6b;
	rDP5_7 =0xeb7b5ed;
	rDP3_4 =0x7dbe;
	rDP4_5 =0x7ebdf;
	rDP6_7 =0x7fdfbfe;

	rREDLUT  =0xfdb96420;
	rGREENLUT=0xfdb96420;
	rBLUELUT =0xfb40;
	
	rLCDCON1=(CLKVAL<<12)|(WLH<<10)|(WDLY<<8)|(MMODE<<7)|(DISMODE<<5);
	rLCDCON2=(10<<21)|(HOZVAL<<10)|(LINEVAL);
	rLCDSADDR1=(MODESEL<<27)|((nAddr>>22)<<21)|((nAddr>>1)&0x1fffff);
	rLCDSADDR2=(MVAL<<21)|(((nAddr>>1)+(PAGEWIDTH)*(LINEVAL+1))&0x1fffff);
	rLCDSADDR3=PAGEWIDTH;
	rLCDCON1=(CLKVAL<<12)|(WLH<<10)|(WDLY<<8)|(MMODE<<7)|(DISMODE<<5)|1;
	return 1;

}


#endif