44blcd.c

EV440B实验源码

#include <string.h>
#include "..\inc\option.h"
#include "..\inc\def.h"
#include "..\inc\44b.h"
#include "..\inc\44blib.h"
#include "..\inc\lcd.h"
#include "..\inc\lcdlib.h"
#include "..\inc\44blcd.h"
#include "..\inc\PLMM.h"

void displaylcd(void);
void clrscreen(void);
void Lcd_MonoInit(void);

/*volatile char which_int=0;*/
void LcdInit(void)
{
 
  Lcd_MonoInit();
  displaylcd();
}




void Lcd_MonoInit(void)
{
    //160x240 1bit/1pixel LCD
    #define MVAL_USED 0
     if((U32)frameBuffer1==0)
	{
	    frameBuffer1=(unsigned int (*)[SCR_XSIZE/32])malloc(ARRAY_SIZE_MONO); 
	}

	rLCDCON1=(0)|(1<<5)|(MVAL_USED<<7)|(0x3<<8)|(0x3<<10)|(CLKVAL_MONO<<12);
	    // disable,4B_SNGL_SCAN,WDLY=8clk,WLH=8clk,
	rLCDCON2=(LINEVAL)|(HOZVAL<<10)|(10<<21);  
	    //LINEBLANK=10 (without any calculation) 
	rLCDSADDR1= (0x0<<27) | ( ((U32)frameBuffer1>>22)<<21 ) | M5D((U32)frameBuffer1>>1);
	    // monochrome, LCDBANK, LCDBASEU
	rLCDSADDR2= M5D( (((U32)frameBuffer1+(SCR_XSIZE*LCD_YSIZE/8))>>1) ) | (MVAL<<21);
	rLCDSADDR3= (LCD_XSIZE/16) | ( ((SCR_XSIZE-LCD_XSIZE)/16)<<9 );

	rLCDCON1=(1)|(1<<5)|(MVAL_USED<<7)|(0x3<<8)|(0x3<<10)|(CLKVAL_MONO<<12);
	    // enable,4B_SNGL_SCAN,WDLY=8clk,WLH=8clk,
    
}

void displaylcd(void)
{
    unsigned int *pbuffer,temp_data;
     int i;
     
    clrscreen();
    pbuffer =(U32*) frameBuffer1;
    for(i = 0; i< (4800/4) ;i++)
    {
       temp_data = (plmmBitmap[i*4] << 24) + (plmmBitmap[i*4+1] << 16) + (plmmBitmap[i*4+2] << 8) +(plmmBitmap[i*4+3]);
        pbuffer[i] = ~temp_data;

 }
}

void clrscreen(void)
{
  int i,j;

 for (i=0;i<10;i++)
     for (j=0;j<320;j++)
   {
     frameBuffer1[j][i]=0;//(0x0FFFFFFFF);  
   }
}