lcd320.c

ADS开发环境下的基础实验,代码简单易懂,适合学习.

#include <stdarg.h>
#include <stdio.h>
#include <string.h>


#include "..\startup\def.h"
#include "..\startup\44b.h"
#include "..\startup\LCD320.h"



#define LCDCON1_ENVID		(1)
#define LCDCON1_INVVD		(1<<1)
#define LCDCON1_INVFRAME	(1<<2)
#define LCDCON1_INVLINE		(1<<3)
#define LCDCON1_INVCLK		(1<<4)
#define LCDCON1_MMODE		(1<<7)


//#define L248 		(8)
//#define CLKVAL		(10)	// 60Mhz, fr=100Hz (CLKVAL=38.6)

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


//////////////////LCD Information//////////////
#define LCDTxtMode_TxtWidth		8
#define LCDTxtMode_TxtHeight	12

#define LCDColumn	(LCDWIDTH/LCDTxtMode_TxtWidth)//40
#define LCDRow		(LCDHEIGHT/LCDTxtMode_TxtHeight)//20


U32* pLCDBuffer16=(U32*)0xc000000;

U32 LCDBuffer[LCDHEIGHT][LCDWIDTH];

U32 LCDdspMode=DspTxtMode;

//////////////12x8字模/////////////////
U8 LCDTxtData[128][12]={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 
	0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1c,0x10,0x10,0x10,0x10,0x10,
	0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xf0,0x10,0x10,0x10,0x10,0x10,
	0x10,0x10,0x10,0x10,0x10,0x10,0x1c,0x0, 0x0, 0x0, 0x0, 0x0, 
	0x10,0x10,0x10,0x10,0x10,0x10,0xf0,0x0, 0x0, 0x0, 0x0, 0x0, 
	0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,
	0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfc,0x0, 0x0, 0x0, 0x0, 0x0, 
	0x0, 0x0, 0x0, 0x30,0x78,0x78,0x78,0x30,0x0, 0x0, 0x0, 0x0, 
	0xfc,0xfc,0xfc,0xcc,0x84,0x84,0x84,0xcc,0xfc,0xfc,0xfc,0xfc,
	0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 
	0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 
	0x0, 0x1c,0xc, 0xc, 0x14,0x10,0x30,0x48,0x48,0x30,0x0, 0x0, 
	0x0, 0x38,0x44,0x44,0x38,0x10,0x7c,0x10,0x10,0x10,0x0, 0x0, 
	0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 
	0x0, 0xc, 0x34,0x2c,0x34,0x24,0x24,0x2c,0x6c,0x60,0x0, 0x0, 
	0x0, 0x54,0x54,0x28,0x28,0x6c,0x28,0x28,0x54,0x54,0x0, 0x0, 
	0x10,0x10,0x10,0x10,0x10,0x10,0xfc,0x10,0x10,0x10,0x10,0x10,
	0x0, 0x4, 0xc, 0x1c,0x3c,0x7c,0x3c,0x1c,0xc, 0x4, 0x0, 0x0, 
	0x10,0x38,0x10,0x10,0x10,0x10,0x10,0x10,0x38,0x10,0x0, 0x0, 
	0x28,0x28,0x28,0x28,0x28,0x28,0x28,0x0, 0x28,0x28,0x0, 0x0, 
	0x3c,0x54,0x54,0x54,0x34,0x14,0x14,0x14,0x14,0x14,0x0, 0x0, 
	0x10,0x10,0x10,0x10,0x10,0x10,0xfc,0x0, 0x0, 0x0, 0x0, 0x0, 
	0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfc,0x10,0x10,0x10,0x10,0x10,
	0x10,0x10,0x10,0x10,0x10,0x10,0xf0,0x10,0x10,0x10,0x10,0x10,
	0x10,0x38,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x0, 0x0, 
	0x10,0x10,0x10,0x10,0x10,0x10,0x1c,0x10,0x10,0x10,0x10,0x10,
	0x0, 0x0, 0x0, 0x0, 0x8, 0x7c,0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 
	0x0, 0x0, 0x0, 0x0, 0x20,0x7c,0x20,0x0, 0x0, 0x0, 0x0, 0x0, 
	0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 
	0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 
	0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 
	0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 
	0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 
	0x0, 0x0, 0x20,0x20,0x20,0x20,0x20,0x20,0x0, 0x20,0x0, 0x0, 
	0x0, 0x28,0x50,0x50,0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 
	0x0, 0x0, 0x28,0x28,0xfc,0x28,0x50,0xfc,0x50,0x50,0x0, 0x0, 
	0x0, 0x20,0x78,0xa8,0xa0,0x60,0x30,0x28,0xa8,0xf0,0x20,0x0, 
	0x0, 0x0, 0x48,0xa8,0xb0,0x50,0x28,0x34,0x54,0x48,0x0, 0x0, 
	0x0, 0x0, 0x20,0x50,0x50,0x78,0xa8,0xa8,0x90,0x6c,0x0, 0x0, 
	0x0, 0x40,0x40,0x80,0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 
	0x0, 0x4, 0x8, 0x10,0x10,0x10,0x10,0x10,0x10,0x8, 0x4, 0x0, 
	0x0, 0x40,0x20,0x10,0x10,0x10,0x10,0x10,0x10,0x20,0x40,0x0, 
	0x0, 0x0, 0x0, 0x20,0xa8,0x70,0x70,0xa8,0x20,0x0, 0x0, 0x0, 
	0x0, 0x0, 0x20,0x20,0x20,0xf8,0x20,0x20,0x20,0x0, 0x0, 0x0, 
	0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40,0x40,0x80,
	0x0, 0x0, 0x0, 0x0, 0x0, 0xf8,0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 
	0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40,0x0, 0x0, 
	0x0, 0x8, 0x10,0x10,0x10,0x20,0x20,0x40,0x40,0x40,0x80,0x0, 
	0x0, 0x0, 0x70,0x88,0x88,0x88,0x88,0x88,0x88,0x70,0x0, 0x0, 
	0x0, 0x0, 0x20,0x60,0x20,0x20,0x20,0x20,0x20,0x70,0x0, 0x0, 
	0x0, 0x0, 0x70,0x88,0x88,0x10,0x20,0x40,0x80,0xf8,0x0, 0x0, 
	0x0, 0x0, 0x70,0x88,0x8, 0x30,0x8, 0x8, 0x88,0x70,0x0, 0x0, 
	0x0, 0x0, 0x10,0x30,0x50,0x50,0x90,0x78,0x10,0x18,0x0, 0x0, 
	0x0, 0x0, 0xf8,0x80,0x80,0xf0,0x8, 0x8, 0x88,0x70,0x0, 0x0, 
	0x0, 0x0, 0x70,0x90,0x80,0xf0,0x88,0x88,0x88,0x70,0x0, 0x0, 
	0x0, 0x0, 0xf8,0x90,0x10,0x20,0x20,0x20,0x20,0x20,0x0, 0x0, 
	0x0, 0x0, 0x70,0x88,0x88,0x70,0x88,0x88,0x88,0x70,0x0, 0x0, 
	0x0, 0x0, 0x70,0x88,0x88,0x88,0x78,0x8, 0x48,0x70,0x0, 0x0, 
	0x0, 0x0, 0x0, 0x0, 0x20,0x0, 0x0, 0x0, 0x0, 0x20,0x0, 0x0, 
	0x0, 0x0, 0x0, 0x0, 0x0, 0x20,0x0, 0x0, 0x0, 0x20,0x20,0x0, 
	0x0, 0x4, 0x8, 0x10,0x20,0x40,0x20,0x10,0x8, 0x4, 0x0, 0x0, 
	0x0, 0x0, 0x0, 0x0, 0xf8,0x0, 0x0, 0xf8,0x0, 0x0, 0x0, 0x0, 
	0x0, 0x40,0x20,0x10,0x8, 0x4, 0x8, 0x10,0x20,0x40,0x0, 0x0, 
	0x0, 0x0, 0x70,0x88,0x88,0x10,0x20,0x20,0x0, 0x20,0x0, 0x0, 
	0x0, 0x0, 0x70,0x88,0x98,0xa8,0xa8,0xb8,0x80,0x78,0x0, 0x0, 
	0x0, 0x0, 0x20,0x20,0x30,0x50,0x50,0x78,0x48,0xcc,0x0, 0x0, 
	0x0, 0x0, 0xf0,0x48,0x48,0x70,0x48,0x48,0x48,0xf0,0x0, 0x0, 
	0x0, 0x0, 0x78,0x88,0x80,0x80,0x80,0x80,0x88,0x70,0x0, 0x0, 
	0x0, 0x0, 0xf0,0x48,0x48,0x48,0x48,0x48,0x48,0xf0,0x0, 0x0, 
	0x0, 0x0, 0xf8,0x48,0x50,0x70,0x50,0x40,0x48,0xf8,0x0, 0x0, 
	0x0, 0x0, 0xf8,0x48,0x50,0x70,0x50,0x40,0x40,0xe0,0x0, 0x0, 
	0x0, 0x0, 0x38,0x48,0x80,0x80,0x9c,0x88,0x48,0x30,0x0, 0x0, 
	0x0, 0x0, 0xcc,0x48,0x48,0x78,0x48,0x48,0x48,0xcc,0x0, 0x0, 
	0x0, 0x0, 0xf8,0x20,0x20,0x20,0x20,0x20,0x20,0xf8,0x0, 0x0, 
	0x0, 0x0, 0x7c,0x10,0x10,0x10,0x10,0x10,0x10,0x90,0xe0,0x0, 
	0x0, 0x0, 0xec,0x48,0x50,0x60,0x50,0x50,0x48,0xec,0x0, 0x0, 
	0x0, 0x0, 0xe0,0x40,0x40,0x40,0x40,0x40,0x44,0xfc,0x0, 0x0, 
	0x0, 0x0, 0xd8,0xd8,0xd8,0xd8,0xa8,0xa8,0xa8,0xa8,0x0, 0x0, 
	0x0, 0x0, 0xdc,0x48,0x68,0x68,0x58,0x58,0x48,0xe8,0x0, 0x0, 
	0x0, 0x0, 0x70,0x88,0x88,0x88,0x88,0x88,0x88,0x70,0x0, 0x0, 
	0x0, 0x0, 0xf0,0x48,0x48,0x70,0x40,0x40,0x40,0xe0,0x0, 0x0, 
	0x0, 0x0, 0x70,0x88,0x88,0x88,0x88,0xe8,0x98,0x70,0x18,0x0, 
	0x0, 0x0, 0xf0,0x48,0x48,0x70,0x50,0x48,0x48,0xec,0x0, 0x0, 
	0x0, 0x0, 0x78,0x88,0x80,0x60,0x10,0x8, 0x88,0xf0,0x0, 0x0, 
	0x0, 0x0, 0xf8,0xa8,0x20,0x20,0x20,0x20,0x20,0x70,0x0, 0x0, 
	0x0, 0x0, 0xcc,0x48,0x48,0x48,0x48,0x48,0x48,0x30,0x0, 0x0, 
	0x0, 0x0, 0xcc,0x48,0x48,0x50,0x50,0x30,0x20,0x20,0x0, 0x0, 
	0x0, 0x0, 0xa8,0xa8,0xa8,0x70,0x50,0x50,0x50,0x50,0x0, 0x0, 
	0x0, 0x0, 0xd8,0x50,0x50,0x20,0x20,0x50,0x50,0xd8,0x0, 0x0, 
	0x0, 0x0, 0xd8,0x50,0x50,0x20,0x20,0x20,0x20,0x70,0x0, 0x0, 
	0x0, 0x0, 0xf8,0x90,0x10,0x20,0x20,0x40,0x48,0xf8,0x0, 0x0, 
	0x0, 0x38,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x38,0x0, 
	0x0, 0x40,0x40,0x40,0x20,0x20,0x10,0x10,0x10,0x8, 0x0, 0x0, 
	0x0, 0x70,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x70,0x0, 
	0x0, 0x20,0x50,0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 
	0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfc,
	0x0, 0x20,0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 
	0x0, 0x0, 0x0, 0x0, 0x0, 0x30,0x48,0x38,0x48,0x3c,0x0, 0x0, 
	0x0, 0x0, 0xc0,0x40,0x40,0x70,0x48,0x48,0x48,0x70,0x0, 0x0, 
	0x0, 0x0, 0x0, 0x0, 0x0, 0x38,0x48,0x40,0x40,0x38,0x0, 0x0, 
	0x0, 0x0, 0x18,0x8, 0x8, 0x38,0x48,0x48,0x48,0x3c,0x0, 0x0, 
	0x0, 0x0, 0x0, 0x0, 0x0, 0x30,0x48,0x78,0x40,0x38,0x0, 0x0, 
	0x0, 0x0, 0x1c,0x20,0x20,0x78,0x20,0x20,0x20,0x78,0x0, 0x0, 
	0x0, 0x0, 0x0, 0x0, 0x0, 0x3c,0x48,0x30,0x40,0x78,0x44,0x38,
	0x0, 0x0, 0xc0,0x40,0x40,0x70,0x48,0x48,0x48,0xec,0x0, 0x0, 
	0x0, 0x0, 0x20,0x0, 0x0, 0x60,0x20,0x20,0x20,0x70,0x0, 0x0, 
	0x0, 0x0, 0x10,0x0, 0x0, 0x30,0x10,0x10,0x10,0x10,0x10,0xe0,
	0x0, 0x0, 0xc0,0x40,0x40,0x5c,0x50,0x70,0x48,0xec,0x0, 0x0, 
	0x0, 0x0, 0xe0,0x20,0x20,0x20,0x20,0x20,0x20,0xf8,0x0, 0x0, 
	0x0, 0x0, 0x0, 0x0, 0x0, 0xf0,0xa8,0xa8,0xa8,0xa8,0x0, 0x0, 
	0x0, 0x0, 0x0, 0x0, 0x0, 0xf0,0x48,0x48,0x48,0xec,0x0, 0x0, 
	0x0, 0x0, 0x0, 0x0, 0x0, 0x30,0x48,0x48,0x48,0x30,0x0, 0x0, 
	0x0, 0x0, 0x0, 0x0, 0x0, 0xf0,0x48,0x48,0x48,0x70,0x40,0xe0,
	0x0, 0x0, 0x0, 0x0, 0x0, 0x38,0x48,0x48,0x48,0x38,0x8, 0x1c,
	0x0, 0x0, 0x0, 0x0, 0x0, 0xd8,0x60,0x40,0x40,0xe0,0x0, 0x0, 
	0x0, 0x0, 0x0, 0x0, 0x0, 0x78,0x40,0x30,0x8, 0x78,0x0, 0x0, 
	0x0, 0x0, 0x0, 0x20,0x20,0x70,0x20,0x20,0x20,0x18,0x0, 0x0, 
	0x0, 0x0, 0x0, 0x0, 0x0, 0xd8,0x48,0x48,0x48,0x3c,0x0, 0x0, 
	0x0, 0x0, 0x0, 0x0, 0x0, 0xec,0x48,0x50,0x30,0x20,0x0, 0x0, 
	0x0, 0x0, 0x0, 0x0, 0x0, 0xa8,0xa8,0x70,0x50,0x50,0x0, 0x0, 
	0x0, 0x0, 0x0, 0x0, 0x0, 0xd8,0x50,0x20,0x50,0xd8,0x0, 0x0, 
	0x0, 0x0, 0x0, 0x0, 0x0, 0xec,0x48,0x50,0x30,0x20,0x20,0xc0,
	0x0, 0x0, 0x0, 0x0, 0x0, 0x78,0x10,0x20,0x20,0x78,0x0, 0x0, 
	0x0, 0x18,0x10,0x10,0x10,0x20,0x10,0x10,0x10,0x10,0x18,0x0, 
	0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,
	0x0, 0x60,0x20,0x20,0x20,0x10,0x20,0x20,0x20,0x20,0x60,0x0, 
	0x40,0xa4,0x18,0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 
};


void LCD_Init()
{
	int i;
	U32 LCDBASEU,LCDBASEL,LCDBANK;

	LCDDisplayOpen(FALSE);

	rLCDCON1=(0);
	    // disable,4B_SNGL_SCAN,WDLY=16clk,WLH=16clk,CLKVAL=?
	rLCDCON2=(239)|(119<<10)|(15<<21);
	    //320x240LCD  LINEBLANK=10 (without any calculation) 
	LCDBANK=0xc000000>>22;//((U32)LCDBuffer16)>>22;
	LCDBASEU=0x0;//((U32)LCDBuffer16)&0x3fffff;
	LCDBASEL=LCDBASEU+(160)*240;
	rLCDSADDR1= (0x3<<27) |(LCDBANK<<21)|LCDBASEU;//| ((((U32)LCDBuffer16)>>1)&0x7ffffff);
	    // 256-color, LCDBANK, LCDBASEU
	rLCDSADDR2= (0<<29)|(0<<21)|LCDBASEL;
	rLCDSADDR3= (320/2)|(0<<9);
	    //No virtual screen. 
	//rREDLUT=0xfca86420;
	//rGREENLUT=0xfca86420;
	//rBLUELUT=0xfffff840;
	rREDLUT=0xfca86420;
	rGREENLUT=0xfca86420;
	rBLUELUT=0xfffffa50;



	rLCDCON1=LCDCON1_ENVID|0<<1|0<<2|0<<3|(2<<5)|1<<7|(0x3<<8)|(0x3<<10)|(CLKVAL<<12);//|LCDCON1_MMODE;
	    // enable,4B_SNGL_SCAN,WDLY=16clk,WLH=16clk,CLKVAL=?
	for(i=0;i<80*240;i++)
		*(pLCDBuffer16+i)=0x0;

	Delay(5000);
    LCDDisplayOpen(TRUE);
}



void LCDDisplayOpen(U8 isOpen)
{

    if(isOpen){
      	rPDATB&=~LCDDisplayPin;
              }
   	else{
        rPDATB|=LCDDisplayPin;
	          }
}

U8 LCDTxtBuffer[LCDRow][LCDColumn];
int LCDCurrentPrnTxt=0;	//打印文本所在的行
int LCDCurrentPrnTxtx=0;
int LCDCurrentDspTxt=0;
U8 LCDIsprnOverPage=FALSE;	//是否滚动屏幕

void LCD_TxtRefresh(int LCDCurrentDspTxtl)
{
	int i,j,k,showrow;
	unsigned int data;
	U8 txtdata;

	unsigned char *pLCDBuffer=(unsigned char *)pLCDBuffer16;
       if(LCDdspMode!=DspTxtMode)
		 return;
		 	
	for(j=0;j<LCDHEIGHT;j++){
		for(i=0;i<LCDColumn;i++){
			data=0;
			showrow=LCDCurrentDspTxtl+j/LCDTxtMode_TxtHeight;
			if(showrow>LCDRow-1)
				showrow-=LCDRow;
			txtdata=LCDTxtBuffer[showrow][i];
			if(txtdata>=128)
				txtdata=' ';
			txtdata=LCDTxtData[txtdata][j%LCDTxtMode_TxtHeight];

			*pLCDBuffer=((txtdata>>4)&0x1)*0xff;
			pLCDBuffer++;
			*pLCDBuffer=((txtdata>>5)&0x1)*0xff;
			pLCDBuffer++;
			*pLCDBuffer=((txtdata>>6)&0x1)*0xff;
			pLCDBuffer++;
			*pLCDBuffer=((txtdata>>7)&0x1)*0xff;
			pLCDBuffer++;
			*pLCDBuffer=((txtdata)&0x1)*0xff;
			pLCDBuffer++;
			*pLCDBuffer=((txtdata>>1)&0x1)*0xff;
			pLCDBuffer++;
			*pLCDBuffer=((txtdata>>2)&0x1)*0xff;
			pLCDBuffer++;
			*pLCDBuffer=((txtdata>>3)&0x1)*0xff;
			pLCDBuffer++;
		}
	}

}

extern char tbuf[];
void LCD_printf(const char *format,...)
{
	int i,j=0,k=0;
	va_list v_list;
	char *ptr;

	va_start(v_list, format);     // Initialize variable arguments. 
	vsprintf(tbuf, format, v_list ); 
	va_end(v_list);

	ptr= tbuf;

	if(LCDdspMode!=DspTxtMode)
		return;

	/*格式化字符串*/
	for(i=0;ptr[i]!=0;i++){
		if(ptr[i]=='\n'){	//换行
		      for(j=LCDCurrentPrnTxtx;j<LCDColumn;j++)	//补齐空格
				LCDTxtBuffer[LCDCurrentPrnTxt][j]=0;
	       	LCDCurrentPrnTxt++;
			LCDCurrentPrnTxtx=0;
			if(LCDCurrentPrnTxt>LCDRow-1){
				LCDCurrentPrnTxt-=LCDRow;
				LCDIsprnOverPage=TRUE;
			}
			if(LCDIsprnOverPage)
				k=2;
			 else k=1;
			break;
		}
		else{
			if(LCDCurrentPrnTxtx<LCDColumn)
				LCDTxtBuffer[LCDCurrentPrnTxt][LCDCurrentPrnTxtx++]=ptr[i];
		}
	}
	switch(k){
		case 0:  if(LCDIsprnOverPage)
				   LCDCurrentDspTxt=LCDCurrentPrnTxt+1;
		            for(j=LCDCurrentPrnTxtx;j<LCDColumn;j++)	//补齐空格
				    LCDTxtBuffer[LCDCurrentPrnTxt][j]=0;
			      break;
             case 1:  break;
             case 2:  LCDCurrentDspTxt=LCDCurrentPrnTxt;
             	            break;
		}	 
	
	LCD_TxtRefresh(LCDCurrentDspTxt);
}

void LCD_ChangeMode(U8 mode)
{
	LCDdspMode=mode;
	if(LCDdspMode==DspGraMode)
		LCD_Refresh();
	 else  LCD_TxtRefresh(LCDCurrentDspTxt);	
}

void LCD_Refresh()
{
	int i,j;
	U32 lcddata;
	U32 pixcolor;	//一个像素点的颜色
	U32 *p=pLCDBuffer16;
	U8* pbuf=(U8*)LCDBuffer[0];

	if(LCDdspMode!=DspGraMode)
		return;


	for(i=0;i<LCDWIDTH*LCDHEIGHT/4;i++){
		lcddata=0;
		for(j=24;j>=0;j-=8){
			pixcolor=(pbuf[0]&0xe0)|((pbuf[1]>>3)&0x1c)|(pbuf[2]>>6);	//变换RGB
				//		R			G					B
			lcddata|=pixcolor<<j;
			pbuf+=4;
		}
		*p=lcddata;
		p++;
	}

}

//文本模式下清除屏幕?
void LCD_Cls() 
{
	LCDCurrentPrnTxt=0;	//打印文本所在的行
	LCDIsprnOverPage=FALSE;
		
	memset(LCDTxtBuffer,0,LCDRow*LCDColumn);
	LCD_TxtRefresh(LCDCurrentPrnTxt);
}
void LCD_TestShow()
{   }