print_method.c

pxa270驱动程序

#define LCD_LCCR0  (*(volatile unsigned long *)(0x44000000))
#define LCD_FDADR0 (*(volatile unsigned long *)(0x44000200))
#define LCD_FSADR0 (*(volatile unsigned long *)(0xa0300004))
#define LCD_LCSR   (*(volatile unsigned long *)(0x44000038))
#define LCD_LIGHT   (*(volatile unsigned long *)(0xa000000))
#define LIGHT1	(1<<12)
#define LIGHT2	(1<<13)
#define BACKLIGHT (1<<8)

extern void udelay(int multi);
extern char word_1[32][4] ;
extern char word_2[32][4] ;
extern char word_3[32][4] ;
extern char word_4[32][4] ;
extern char word_5[32][4] ;
extern char word_6[32][4] ;
extern char word_7[32][4] ;

extern void print_3232(char *,int, int);




void lighton1(void)
{
	LCD_LIGHT=(~LIGHT1)|BACKLIGHT;	

}

void lighton2(void)
{
	LCD_LIGHT=(~LIGHT2)|BACKLIGHT;
}

void lightoff1(void)
{
	LCD_LIGHT=LIGHT1|BACKLIGHT;	
}

void lightoff2(void)
{
	LCD_LIGHT=LIGHT2|BACKLIGHT;
}


void typename(void)
{

print_3232(word_1[0],200,200);
print_3232(word_2[0],250,200);
print_3232(word_3[0],300,200);
print_3232(word_4[0],350,200);
print_3232(word_5[0],400,200);
print_3232(word_6[0],450,200);
}


void screen_clean(long int color)
{
 
 long int i,fill_color ;
 i = 0x96000/4;
 fill_color =color;
 for(;i>0;i--) 
  (*(volatile unsigned long int *)(0xa0500000 + i*4)) = fill_color; 
}


void disable_lcd(void)
{
  LCD_LCCR0 = LCD_LCCR0 | 0x0400;
 
}


void enable_lcd(void)
{
  LCD_FDADR0 = 0xa0300000;
  LCD_FSADR0 = 0xa0500000;
  LCD_LCSR = 0;
  LCD_LCCR0 = 0x3b008f8;
udelay(1);
  LCD_LCCR0 = LCD_LCCR0 | 0x01;
  
}


void print_3232(char * word,int pixel_x,int pixel_y)
{
 char bit_long = 8;
 char num_in_line = 4;
 char line = 32;
 char i=0,j=0,k=0;
 char value=0;
  
 for(k=0;k<line;k++)
  {
     for(j=0;j<num_in_line;j++)
         {
             value = (word+k*num_in_line)[j];
        for(i=0; i<bit_long; i++)
            {
               if (value & 0x80)
                  (*((volatile unsigned int *)(0xa0500000+pixel_y*1280+pixel_x*2 + k*1280+j*16+i*2))) = 0x8888;
                                  
               value = value << 1; 
            }
         }
  }
}


void print_0808(char * word,int pixel_x,int pixel_y)
{
 char bit_long = 8;
 char num_in_line = 1;
 char line = 8;
 char i=0,j=0,k=0;
 char value=0;
  
 for(k=0;k<line;k++)
  {
     for(j=0;j<num_in_line;j++)
         {
             value = (word+k*num_in_line)[j];
        for(i=0; i<bit_long; i++)
            {
               if (value & 0x80)
                  (*((volatile unsigned int *)(0xa0500000+pixel_y*1280+pixel_x*2 + k*1280+j*16+i*2))) = 0x8888;
                                  
               value = value << 1; 
            }
         }
  }
}


void print_0813(char * word,int pixel_x,int pixel_y)
{
 char bit_long = 8;
 char num_in_line = 1;
 char line = 13;
 char i=0,j=0,k=0;
 char value=0;
  
 for(k=0;k<line;k++)
  {
     for(j=0;j<num_in_line;j++)
         {
             value = (word+k*num_in_line)[j];
        for(i=0; i<bit_long; i++)
            {
               if (value & 0x80)
                  (*((volatile unsigned int *)(0xa0500000+pixel_y*1280+pixel_x*2 + k*1280+j*16+i*2))) = 0x8888;
                                  
               value = value << 1; 
            }
         }
  }
}

/* 16*12 */
void print_song2312(char * word,int pixel_x,int pixel_y)
{
 char bit_long = 8;
 char num_in_line = 2;
 char line = 12;
 char i=0,j=0,k=0;
 char value=0;
 long int base_addr;
       base_addr = 0xa0500000;  
  
 for(k=0;k<line;k++)
  {
     for(j=0;j<num_in_line;j++)
         {
             value = (word+k*num_in_line)[j];
        for(i=0; i<bit_long; i++)
            {
               if (value & 0x80)
                  (*((volatile unsigned int *)(base_addr+pixel_y*1280+pixel_x*2 + k*1280+j*16+i*2))) = 0xdddd;
                                  
               value = value << 1; 
            }
         }
  }


}