Engineer's LAB

 *R_PAF6 = 0; //LCD R
 *R_PAF7 = 0; //LCD G
 *R_PAF8 = 0; //LCD B
 
 crtc_clock_init(); 
}

void setscreen(SCREENRES res,U32 scmode)
{
 switch(res)
 {
 case SCREEN_480x272:
  setscreenex(480,272,scmode,0x0000020D,0x0002002B,0x002D020D ,0x0000011E ,0x0002000C ,0x000E011E );
  break;
 case SCREEN_640x480:
  setscreenex(640,480,scmode,0x00000320,0x00130073,0x00A00320 ,0x0000020D ,0x0007000D ,0x002B020B );
  break;
 case SCREEN_800x480:
  //setscreenex(800,480,scmode,1000,(3<<16)|0,(24<<16)|1000 ,530 ,(23<<16)|2 ,(13<<16)|530 );
  break;
 case SCREEN_800x600:
  setscreenex(800,600,scmode,0x00000420,0x002300b0,0x01000420 ,0x00000274 ,0x0004000a ,0x001a0272 );
  break;
 default:
  debugstring("invalid screen size\r\n");
  return;
 }
}

void setscreenex(U32 width,U32 height,U32 scmode,U32 ht,U32 hs, U32 ha, U32 vt, U32 vs, U32 va)
{
 *R_CRTHT  = ht; //Horizontal Active와 Blank구간을 포함한 Horizontal Total Scan Value
 *R_CRTHS  = hs; //Horizontal Sync 구간의 Start(End) value
 *R_CRTHA  = ha; //Horizontal Active 구간의 Start(End) value
 *R_CRTVT  = vt; //Vertical Active와 blank 구간을 포함한 Vertical Total scan value
 *R_CRTVS  = vs; //Vertical Sync 구간의 Start(End) value
 *R_CRTVA  = va; //Vertical Active구간의 Start(End) value
 screen_w= width;
 screen_h = height;
 
 U32 conval=0;
 debugprintf(" CRTC %d x %d Setting Done\r\n",width,height);
 if(scmode&SCREENMODE_RGB888)
 {
  debugstring("RGB888 Mode\r\n");
  screen_bpp = 32;
  conval |= (1<<13);
 }
 else
 {
  debugstring("RGB565 Mode\r\n");
  screen_bpp = 16;
  conval |= (1<<12);
 }
 conval |= (1<<4);//line pitch not align 512,1024
 *R_CRTWIDTH = screen_w;
 *R_CRTCON = conval;
 drawsetclipwindow(0,0,screen_w,screen_h);
 set_interrupt(INTNUM_FRAMESYNC,framesync_isr);
 enable_interrupt(INTNUM_FRAMESYNC,FALSE);
}

#define LCD_LAT_BIT      
#define LCD_LAT_PORT     
#define LCD_LAT_ON()     
#define LCD_LAT_OFF()     
#define LCD_DATA_LATCH()    LCD_LAT_ON();LCD_LAT_OFF();

#define LCD_EN_BIT      BIT5
#define LCD_EN_PORT      GPIO6
#define LCD_ENABLE()     cbi(LCD_EN_PORT, LCD_EN_BIT)
#define LCD_DISABLE()     sbi(LCD_EN_PORT, LCD_EN_BIT)

#define LCD_RST_BIT      BIT2
#define LCD_RST_PORT     GPIO6
#define LCD_RST_OFF()     cbi(LCD_RST_PORT, LCD_RST_BIT)
#define LCD_RST_ON()     sbi(LCD_RST_PORT, LCD_RST_BIT)

#define LCD_RS_BIT      BIT3
#define LCD_RS_PORT      GPIO6
#define LCD_RS_OFF()     cbi(LCD_RS_PORT, LCD_RS_BIT)
#define LCD_RS_ON()      sbi(LCD_RS_PORT, LCD_RS_BIT)

#define LCD_WR_BIT      BIT3
#define LCD_WR_PORT      GPIO5
#define LCD_WR_OFF()     cbi(LCD_WR_PORT, LCD_WR_BIT)
#define LCD_WR_ON()      sbi(LCD_WR_PORT, LCD_WR_BIT)

#define LCD_RD_BIT      BIT2
#define LCD_RD_PORT      GPIO5
#define LCD_RD_OFF()     //cbi(*R_P2oLOW, LCD_RD_BIT)
#define LCD_RD_ON()      //sbi(*R_P2oHIGH, LCD_RD_BIT)

#define LCD_BL_BIT      BIT4
#define LCD_BL_PORT      GPIO6
#define LCD_BL_OFF()     cbi(LCD_BL_PORT, LCD_BL_BIT)
#define LCD_BL_ON()      sbi(LCD_BL_PORT, LCD_BL_BIT)