lcdlib.c

我自己写的士2410的320*240LCD测试程序

/*****************************************
  NAME: lcdlib.c
  DESC: lcd configuration low-level codes
  HISTORY:
  2002.03.13:draft ver 0.0
 *****************************************/
#include <string.h>
#include "2410addr.h"
//#include "2410lib.h"
#include "def.h"
//#include "option.h"
//#include "24xslib.h" 
#include "lcdlib.h"


//TFT 320240
U32 (*frameBuffer8BitTft320240)[SCR_XSIZE_TFT_320240/4];
U32 (*frameBuffer16BitTft320240)[SCR_XSIZE_TFT_320240/2];


void Lcd_Init320240()
{
	frameBuffer8BitTft320240=(U32 (*)[SCR_XSIZE_TFT_320240/4])LCDFRAMEBUFFER;
	rLCDCON1=(CLKVAL_TFT_320240<<8)|(MVAL_USED<<7)|(3<<5)|(11<<1)|0;
        // TFT LCD panel,8bpp TFT,ENVID=off
	rLCDCON2=(VBPD_320240<<24)|(LINEVAL_TFT_320240<<14)|(VFPD_320240<<6)|(VSPW_320240);
	rLCDCON3=(HBPD_320240<<19)|(HOZVAL_TFT_320240<<8)|(HFPD_320240);
	rLCDCON4=(MVAL<<8)|(HSPW_320240);
	rLCDCON5=(1<<11)|(1<<9)|(1<<8);	//FRM5:6:5,HSYNC and VSYNC are inverted
	rLCDSADDR1=(((U32)frameBuffer8BitTft320240>>22)<<21)|M5D((U32)frameBuffer8BitTft320240>>1);
	rLCDSADDR2=M5D( ((U32)frameBuffer8BitTft320240+(SCR_XSIZE_TFT_320240*LCD_YSIZE_TFT_320240/1))>>1 );
	rLCDSADDR3=(((SCR_XSIZE_TFT_320240-LCD_XSIZE_TFT_320240)/2)<<11)|(LCD_XSIZE_TFT_320240/2);
	rLCDINTMSK|=(3); // MASK LCD Sub Interrupt
	rLPCSEL&=(~7); // Disable LPC3600
	rTPAL=0; // Disable Temp Palette
}


void Lcd_EnvidOnOff(int onoff)
{
    if(onoff==1)
	rLCDCON1|=1; // ENVID=ON
    else
	rLCDCON1 =rLCDCON1 & 0x3fffe; // ENVID Off
}    
void Lcd_PowerEnable(int invpwren,int pwren)
{
    //GPG4 is setted as LCD_PWREN
    rGPGUP=rGPGUP&(~(1<<4))|(1<<4); // Pull-up disable
    rGPGCON=rGPGCON&(~(3<<8))|(3<<8); //GPG4=LCD_PWREN
    //Enable LCD POWER ENABLE Function
    rLCDCON5=rLCDCON5&(~(1<<3))|(pwren<<3);   // PWREN
    rLCDCON5=rLCDCON5&(~(1<<5))|(invpwren<<5);   // INVPWREN
}