lcdlib.h

ARM机的TFT液晶显示例子程序

/************************************************ 
  NAME    : LCDLIB.H
  DESC    :
  Revision History
  2002.03.12 : draft ver 0.0
 ************************************************/

#ifndef __LCDLIB_H__
#define __LCDLIB_H__

#define MVAL		(13)
#define MVAL_USED 	(0)
#define M5D(n) ((n) & 0x1fffff)	// To get lower 21bits


#define MODE_TFT_1BIT_640480     (0x4201)
#define MODE_TFT_8BIT_640480     (0x4202)
#define MODE_TFT_16BIT_640480    (0x4204)
#define MODE_TFT_24BIT_640480    (0x4208)

#define LCD_XSIZE_TFT_640480 	(640)	
#define LCD_YSIZE_TFT_640480 	(480)

//#define 	BYTESPERLINE 	(LCD_XSIZE_TFT_640480)


#define SCR_XSIZE_TFT_640480 	(LCD_XSIZE_TFT_640480*2)
#define SCR_YSIZE_TFT_640480 	(LCD_YSIZE_TFT_640480*2)


//TFT640480
#define HOZVAL_TFT_640480	(639)
#define LINEVAL_TFT_640480	(479)


//Timing parameter for V16C6448AB(PRIME VIEW) 
#define VBPD_640480		((33-1)&0xff)
#define VFPD_640480		((10-1)&0xff)
#define VSPW_640480		((2-1) &0x3f)
#define HBPD_640480		((48-1)&0x7f)
#define HFPD_640480		((16-1)&0xff)
#define HSPW_640480		((96-1)&0xff)



#define CLKVAL_TFT_640480 	(8)
    //53.5hz @90Mhz
    //VSYNC,HSYNC should be inverted
    //HBPD=47VCLK,HFPD=15VCLK,HSPW=95VCLK
    //VBPD=32HSYNC,VFPD=9HSYNC,VSPW=1HSYNC

#define LCDFRAMEBUFFER 0x33800000 //_NONCACHE_STARTADDRESS 
  


unsigned long Lcd_Init(int type);
//void MoveViewPort(int);
void Lcd_CstnOnOff(int onoff);
void Lcd_EnvidOnOff(int onoff);
void Lcd_PowerEnable(int invpwren,int pwren);
//void Lcd_MoveViewPort(int vx,int vy,int type);
void Lcd_Lpc3600Enable(void);


#endif /*__LCDLIB_H__*/