S3C6410驱动3.5寸TFT(ILI9481+TP)成功

只看该作者 · 2011-3-12 22:26

控制器: ILI9481 / RM68040
分辨率: 480x320(横屏)
颜色数: 262K色
接口: 18bit DPI

只看该作者 · 2011-3-12 22:28

ILI9481初始化代码:
void ili9481_init(void)
{
write_cmd(0x11);
delay_ms(50);
write_cmd(0x13);

write_cmd(0xD0);
write_dat(0x07);
write_dat(0x40);
write_dat(0x11);

write_cmd(0xD1);
write_dat(0x00);
write_dat(0x18);
write_dat(0x1D);

write_cmd(0xD2);
write_dat(0x01);
write_dat(0x11);

write_cmd(0xC0);
write_dat(0x00);
write_dat(0x3B);
write_dat(0x00);
write_dat(0x02);
write_dat(0x11);

write_cmd(0xC1);
write_dat(0x10);
write_dat(0x0B);
write_dat(0x88);

  write_cmd(0xC3);
  write_dat((1<<4)|0);
  write_dat(0x20);
  write_dat(0x08);

write_cmd(0xC5);
write_dat(0x01);

write_cmd(0xC6);
write_dat((1<<4)|(1<<3)|(1<<1)|(1<<0));

write_cmd(0xC8);
write_dat(0x00);
write_dat(0x30);
write_dat(0x36);
write_dat(0x45);
write_dat(0x04);
write_dat(0x16);
write_dat(0x37);
write_dat(0x75);
write_dat(0x77);
write_dat(0x54);
write_dat(0x0F);
write_dat(0x00);

write_cmd(0xB4);
write_dat(0x11); //DPI
delay_ms(50);

write_cmd(0x36);
write_dat((0<<7)|(0<<6)|(1<<5)|(1<<3)|(0<<2)|(0<<1)|(0<<0));
// write_dat(0x002b);

write_cmd(0x3A); //262K
write_dat(0x66);

write_cmd(0x2A);
write_dat(0x00);
write_dat(0x00);
write_dat(LCD_XSIZE>>8);
write_dat(LCD_XSIZE);

write_cmd(0x2B);
write_dat(0x00);
write_dat(0x00);
write_dat(LCD_YSIZE>>8);
write_dat(LCD_YSIZE);

delay_ms(50);
write_cmd(0x29);
write_cmd(0x2C);

}

只看该作者 · 2011-3-12 22:28

S3C6410 LCD初始化代码:
static int lcd_init(void)
{

#if 1

// s3c2450 AT070TN 7.0" (800x480)
/*
#define VBPD    (23)
#define VFPD    (23)
#define VSPW    (23)

#define HBPD    (46)
#define HFPD    (46)
#define HSPW    (46)
*/

#define VBPD    (20)
#define VFPD    (20)
#define VSPW    (20)

#define HBPD    (40)
#define HFPD    (40)
#define HSPW    (40)

#define FRAME_RATE 30

#define LCD_XSIZE_TFT    (LCD_XSIZE)
#define LCD_YSIZE_TFT    (LCD_YSIZE)
#define LCD_SCR_XSIZE    (LCD_XSIZE)          // virtual screen
#define LCD_SCR_YSIZE    (LCD_YSIZE)
#define LCD_SCR_XSIZE_TFT (LCD_XSIZE)          // virtual screen
#define LCD_SCR_YSIZE_TFT (LCD_YSIZE)

//* VIDCON0

#define VIDOUT (0)
#define L1_DATA16 (4)
#define L0_DATA16 (4)
#define PNRMODE (0)
#define CLKVALUP (1)
#define CLKVAL_F (6)
#define CLKDIR (1)
#define CLKSEL_F (0)

//* VIDCON1
#define VCLK_INVERTED (0)
#define HSYNC_INVERTED (0)
#define VSYNC_INVERTED (0)
#define VDEN_INVERTED (0)

//* WINCON1to4
#if(LCD_BPP==16)
#define BITSWP (0) //shift on basis of half-word swap
#define BYTSWP (0) //shift on basis of half-word swap
#define HAWSWP (1) //shift on basis of half-word swap
#endif

#if(LCD_BPP==24)
#define BITSWP (0) //shift on basis of half-word swap
#define BYTSWP (0) //shift on basis of half-word swap
#define HAWSWP (0) //shift on basis of half-word swap
#endif

#define WINCONx_4WORD_BURST (2)
#define WINCONx_8WORD_BURST (1)
#define WINCONx_16WORD_BURST (0)
#define WINCONx_PLANE_BLENDING (0)
#define WINCONx_PIXEL_BLENDING (1)
#define WINCONx_1BPP_PALLET (0)
#define WINCONx_2BPP_PALLET (1)
#define WINCONx_4BPP_PALLET (2)
#define WINCONx_8BPP_PALLET (3)
#define WINCONx_8BPP_NO_PALLET (4)
#define WINCONx_16BPP_565 (5)
#define WINCONx_16BPP_A555 (6)
#define WINCONx_16BPP_1555 (7)
#define WINCONx_18BPP_666 (8)
#define WINCONx_18BPP_A665 (9)
#define WINCONx_19BPP_A666 (10)
#define WINCONx_24BPP_888 (11)
#define WINCONx_24BPP_A887 (12)
#define WINCONx_25BPP_A888 (13)
#define WINCONx_ALPHA_MODE_0 (0)
#define WINCONx_ALPHA_MODE_1 (1)

//#define LCD_HOZVAL_TFT       (LCD_YSIZE_TFT-1)
//#define LCD_LINEVAL_TFT       (LCD_XSIZE_TFT-1)
int x,y,m,n;
U8 pagewidth_in_byte=0,offsize_in_byte=0;
U8 clkval=0;
U16 hsync_cnt,vclk_cnt;
U16 lcd_horizon_value,lcd_line_value;
U8 lcd_vbpd,lcd_vfpd,lcd_vspw,lcd_hbpd,lcd_hfpd,lcd_hspw;
U8 lcd_frame_rate;
int i;

//// LCD Port
rGPICON = 0xAAAAAAAA;
rGPIPUD = 0xAAAAAAAA;

rGPJCON = 0xAAAAAAAA;
rGPJPUD = 0xAAAAAAAA;

rMIFPCON &=~(1<<3);

rSPCON &=~(3<<0);
rSPCON |=(1<<0);

lcd_horizon_value = LCD_XSIZE;
lcd_line_value = LCD_YSIZE;
lcd_vbpd = VBPD;
lcd_vfpd = VFPD;
lcd_vspw = VSPW;
lcd_hbpd = HBPD;
lcd_hfpd = HFPD;
lcd_hspw = HSPW;
lcd_frame_rate = FRAME_RATE;

pagewidth_in_byte = lcd_horizon_value/8*16;
offsize_in_byte = 0;

hsync_cnt  = (lcd_vbpd+lcd_vfpd+lcd_vspw+lcd_line_value);
vclk_cnt = (lcd_hbpd+lcd_hfpd+lcd_hspw+lcd_horizon_value);
//clkval = (U8)(((float)CPU_GetHclkHZ()/(float)(hsync_cnt*vclk_cnt*lcd_frame_rate*2))+0.5)-1;
//clkval = 7;
clkval = 8;

rVIDCON0 &= ~(3<<0); // ENVID Off using Per Frame method
rWINCON0 &= ~(1<<0);

rVIDCON0 = (VIDOUT<<26)|(L1_DATA16<<23)|(L0_DATA16<<20)|(PNRMODE<<17)|(CLKVALUP<<16)|(clkval<<6)|(CLKDIR<<4)|(CLKSEL_F<<2)|(0<<0);

rVIDCON1 = (VCLK_INVERTED<<7)|(HSYNC_INVERTED<<6)|(VSYNC_INVERTED<<5)|(VDEN_INVERTED<<4);

rVIDTCON0 = ((lcd_vbpd-1)<<16)|((lcd_vfpd-1)<<8)|(lcd_vspw-1);
rVIDTCON1 = ((lcd_hbpd-1)<<16)|((lcd_hfpd-1)<<8)|(lcd_hspw-1);
rVIDTCON2 = ((lcd_line_value-1)<<11)|(lcd_horizon_value-1);

#if(LCD_BPP==16)
rWINCON0 = (BITSWP<<18)|(BYTSWP<<17)|(HAWSWP<<16)|(WINCONx_8WORD_BURST<<9)|(WINCONx_16BPP_565<<2); // 16word burst, 16bpp,
#endif

#if(LCD_BPP==24)
rWINCON0 = (BITSWP<<18)|(BYTSWP<<17)|(HAWSWP<<16)|(WINCONx_8WORD_BURST<<9)|(WINCONx_24BPP_888<<2); // 16word burst, 24bpp,
#endif

rVIDOSD0A = (0<<11)|(0);
rVIDOSD0B = (lcd_horizon_value-1)<<11|(lcd_line_value-1);

rVIDW00ADD0B0 = (U32)LCD_Buffer;
rVIDW00ADD1B0 = (U32)LCD_Buffer + LCD_BUF_SIZE;

rVIDW00ADD2 = (offsize_in_byte<<13)|(LCD_XSIZE*sizeof(LCD_COLOR));

//rDITHMODE = (1<<5)|(1<<3)|(1<<1)|(1<<0);
//rDITHMODE = 0;

rVIDCON0 |= (3<<0);
rWINCON0 |= (1<<0);

//? rINTSUBMSK |= (0xf << IRQ_SUB_LCD1); // MASK all LCD Sub Interrupt

DebugPrintf("LCDInit End(%dx%d,%dbpp)\n",LCD_XSIZE,LCD_YSIZE,LCD_BPP);

#endif

}