arm的lcd显示字体

#include "stdio.h"
#include "s5pv210.h"
unsigned int *fbuf = (unsigned int *)0x42000000;
char ywy[5][32]={

{0x20,0x02,0x70,0x0A,0x1E,0x12,0x10,0x12,
0x10,0x02,0xFF,0x7F,0x10,0x02,0x10,0x22,
0x50,0x22,0x30,0x12,0x18,0x0C,0x16,0x44,
0x10,0x4A,0x10,0x51,0xD4,0x60,0x08,0x40},/*"我",0*/

{0x00,0x10,0x80,0x3F,0x7E,0x08,0x44,0x08,
0x88,0x04,0xFE,0x7F,0x42,0x40,0x41,0x20,
0xFE,0x1F,0x20,0x00,0xE0,0x0F,0x50,0x08,
0x88,0x04,0x04,0x03,0xC2,0x0C,0x38,0x70},/*"爱",1*/

{0x00,0x00,0x00,0x77,0x22,0x22,0x14,0x14,
0x08,0x08,0x08,0x08,0x08,0x1C,0x00,0x00},/*"Y",2*/

{0x00,0x00,0x00,0x6B,0x49,0x49,0x49,0x49,
0x55,0x55,0x36,0x22,0x22,0x22,0x00,0x00},/*"W",3*/

{0x00,0x00,0x00,0x77,0x22,0x22,0x14,0x14,
0x08,0x08,0x08,0x08,0x08,0x1C,0x00,0x00},/*"Y",4*/

};

void lcd_PortInit()
{
rGPF0CON = 0x22222222;
rGPF1CON = 0x22222222;
rGPF2CON = 0x22222222;
rGPF3CON = 0x22222222;
}

void lcd_Init()
{
//VIDCON0[0:1]=3;[2]=0;[4]=1;[6:13]=4;[26:28]=000
rVIDCON0 &=0xffffffff;
rVIDCON0 |=(0x13<<0);
rVIDCON0 |=(4<<6);
//VIDCON1[5:6]=3;

rVIDCON1 |=(3<<5);

//VIDTCON0[0:7]=19;[8:15]=21;[16:23]=2;
rVIDTCON0 |=(19<<0);
rVIDTCON0 |=(21<<8);
rVIDTCON0 |=(2<<16);
//VIDTCON1[0:7]=;[8:15]=;[16:23]=;
rVIDTCON1 |=(39<<0);
rVIDTCON1 |=(0xd1<<8);
rVIDTCON1 |=(5<<16);

//VIDTCON2[0:10] = 799;[11:21]=479;
rVIDTCON2 |=(799<<0);
rVIDTCON2 |=(479<<11);
//WINCON0[0]=1;[2:5]=0xb;[15]=1;
rWINCON0 |=1;
rWINCON0 |=(0xb<<2);
rWINCON0 |=(1<<15);

//SHADOWCON[0]=1;
rSHADOWCON |=1;
//VIDOSD0A[0:10]=0;[11:21]=0;
rVIDOSD0A &=0;

//VIDOSD0B[0:10]=479;[11:21]=799;
rVIDOSD0B |=(479<<0);
rVIDOSD0B |=(799<<11);

//VIDOSD0C [23:0]=800*480;
rVIDOSD0C |=(800*480);

//VIDW00ADD0B0[31:0] = 0X42000000
rVIDW00ADD0B0=0x42000000;
//VIDW00ADD1B0[31:0] = 0X42000000 + 800*480*4
rVIDW00ADD1B0=(0x42000000 + 800*480*4);
//VIDW00ADD2[0:12]=800;[13:25]=0
rVIDW00ADD2 &=0;
rVIDW00ADD2 |=800;

//DISPLAY_CONTROL[1:0]= 2
rDISPLAY_CONTROL |=2;

}

void v_ywy(){
int x,y,i,l,y1;
for(i=0;i<5;i++){//显示5个字体
if (ywy[i][16])//判断是汉字还是字母
{
for(l=0;l<16;l++){//循环显示16行
for(x = 0;x < 8; x++)//循环判断1个16进制数的位状态
{
y=ywy[i][l*2]&(1<<x);//同时判断2个
y1=ywy[i][2*l+1]&(1<<x);//同时显示1行的前8位和后8位
if (y)
{
*(fbuf + (800*l +x+16*i)) = 0xff;
//800*l换行，16*i隔i个汉字，防重叠。
}
else{
*(fbuf + (800*l +x+16*i)) = 0xffffff;
}
if (y1)
{
*(fbuf + (800*l +x+16*i+8)) = 0xff;
//同步显示后8位比上面+8
}
else{
*(fbuf + (800*l +x+16*i+8)) = 0xffffff;
}
}
}
}else{//字母的1行只有8位
for(l=0;l<16;l++)
{
for(x = 0;x < 8; x++)
{
y=ywy[i][l]&(1<<x);
if (y)
{
*(fbuf + (800*l +x+16*i)) = 0xff;
//这里字母也隔16位，因为前面是汉字，下一个字母时就会空出8位
//这问题暂未处理，有种可以试试改变fbuf指到扫描到的地方
}
else{
*(fbuf + (800*l +x+16*i)) = 0xffffff;
}
}
}
}
}
}
int fimd_lcd()
{
lcd_PortInit();
lcd_Init();

v_ywy(i);

//while(1);
return 0;
}