我在调，可似乎没反应，下面是部分代码
int main (void) {
init_timer(); /* Initialize Timer */
init_serial(); /* Initialize Serial Interface */
printf ("Welcom to S3C44B0 DEMO Kit !
"); /* Print "Hello World !" */
LED_Blink(3);
init_lcd_interface( );
HX8347_Init( );
LCD_BlockWrite_HX8347(0,0,200,300,0x001f);
#define UINT32 unsigned int
#define UINT16 unsigned short
// set interface GPIO mode :RESET, CS, RD, WR, A0, D0-D15
// RESET -> nGCS5 @GPIO mode
// LCD_CS -> EMI_nGCS4 @set mode to CS4
// LCD_WR -> EMI_nWE @NC
// LCD_RD -> EMI_nOE @NC
// LCD_A0 -> EMI_ADDR1 @NC
// LCD_D0-D15 -> EMI_D0-D15 @NC
#define LCD_PARALLEL0_A0_LOW_ADDR 0x08000000
#define LCD_PARALLEL0_A0_HIGH_ADDR 0x08000002
#define MAIN_LCD_CMD_ADDR LCD_PARALLEL0_A0_LOW_ADDR
#define MAIN_LCD_DATA_ADDR LCD_PARALLEL0_A0_HIGH_ADDR
#define MAIN_LCD_16BIT_MODE
#define MAIN_LCD_OUTPUT_FORMAT LCM_16BIT_16_BPP_RGB565_1
void LCD_Delay(UINT32 delay_count)
{
UINT32 delay;
for (delay =0;delay <delay_count;delay++) {}
}
extern void wait (unsigned long);
void Delay_ms(UINT32 data)
{
wait(data);
}
//PB10
#define CLR_LCD_CTRL_RESET_PIN
REG16(0x01D2000C) &= (~0x0001<<10)
#define SET_LCD_CTRL_RESET_PIN
REG16(0x01D2000C) |= (0x0001<<10)
#if defined (MAIN_LCD_16BIT_MODE)
#define LCD_CtrlWrite_HX8347(_data)
{
REG16(MAIN_LCD_CMD_ADDR) = _data ;
LCD_Delay(2);
}
#define LCD_DataWrite_HX8347(_data)
{
REG16(MAIN_LCD_DATA_ADDR) = _data ;
LCD_Delay(2);
}
#endif //#ifdef (MAIN_LCD_16BIT_MODE)
//*************************************************************************************//
// LCD DRIVER API
//*************************************************************************************//
void init_lcd_interface(void)
{
// set interface GPIO mode :RESET, CS, RD, WR, A0, D0-D15
// RESET -> nGCS5 @GPIO mode
// LCD_CS -> nGCS4 @set mode to CS4
// LCD_WR -> EMI_nWE @NC
// LCD_RD -> EMI_nOE @NC
// LCD_A0 -> EMI_ADDR1 @NC
// LCD_D0-D15 -> EMI_D0-D15 @NC
// SET BANK4 to 16bits ROM mode, 0001
REG32(0x01C80000) &= (0x000f0000); //mask bank4 setting
REG32(0x01C80000) |= (0x00010000); //set to 16bits,no waiting ,not use UB/LB
// set nGCS4,nGCS5
REG16(0x01D20008) |= (0x0001<<9) ; //set GPB9 to nGCS4 mode
REG16(0x01D20008) &= (~0x0001<<10) ; //set GPB10 to GPO mode
SET_LCD_CTRL_RESET_PIN; //set GPB10
//set timing ,0111 1111 1111 0100
// REG16(0x01C80014) =0x7FF4;
//reset LCD Moudle
CLR_LCD_CTRL_RESET_PIN;
Delay_ms(20);
SET_LCD_CTRL_RESET_PIN;
Delay_ms(400);
} /* init_lcd_interface() */
void LCD_write_reg_HX8347(UINT16 reg_index, UINT16 reg_dat)
{
LCD_CtrlWrite_HX8347(reg_index);
LCD_DataWrite_HX8347(reg_dat);
}
void HX8347_Init (void)
{
//=========Initial HX8347 for INL2.8"QVGA Panel======//
UINT16 LCDID,ii;
LCD_write_reg_HX8347(0x0042,0x0008);
//Gamma setting
LCD_write_reg_HX8347(0x0046,0x0033);
LCD_write_reg_HX8347(0x0047,0x0033);
LCD_write_reg_HX8347(0x0048,0x0033);
LCD_write_reg_HX8347(0x0049,0x0067);
LCD_write_reg_HX8347(0x004A,0x0015);
LCD_write_reg_HX8347(0x004B,0x0026);
LCD_write_reg_HX8347(0x004C,0x0001);
LCD_write_reg_HX8347(0x004D,0x0044);
LCD_write_reg_HX8347(0x004E,0x0005);
LCD_write_reg_HX8347(0x004F,0x0010);
LCD_write_reg_HX8347(0x0050,0x0008);
LCD_write_reg_HX8347(0x0051,0x000a);
//Window Setting
LCD_write_reg_HX8347(0x0002,0x0000);
LCD_write_reg_HX8347(0x0003,0x0000);
LCD_write_reg_HX8347(0x0004,0x0000);
LCD_write_reg_HX8347(0x0005,0x00EF);
LCD_write_reg_HX8347(0x0006,0x0000);
LCD_write_reg_HX8347(0x0007,0x0000);
LCD_write_reg_HX8347(0x0008,0x0001);
LCD_write_reg_HX8347(0x0009,0x003F);
LCD_Delay(10);
LCD_write_reg_HX8347(0x0001,0x0006);
LCD_write_reg_HX8347(0x0016,0x00C8);
LCD_write_reg_HX8347(0x0023,0x0095);
LCD_write_reg_HX8347(0x0024,0x0095);
LCD_write_reg_HX8347(0x0025,0x00FF);
LCD_write_reg_HX8347(0x0027,0x0002);
LCD_write_reg_HX8347(0x0028,0x0002);
LCD_write_reg_HX8347(0x0029,0x0002);
LCD_write_reg_HX8347(0x002A,0x0002);
LCD_write_reg_HX8347(0x002C,0x0002);
LCD_write_reg_HX8347(0x002D,0x0002);
LCD_write_reg_HX8347(0x003A,0x0001);
LCD_write_reg_HX8347(0x003B,0x0001);
LCD_write_reg_HX8347(0x003C,0x00F0);
LCD_write_reg_HX8347(0x003D,0x0000);
LCD_Delay(20);
LCD_write_reg_HX8347(0x0035,0x0038);
LCD_write_reg_HX8347(0x0036,0x0078);
LCD_write_reg_HX8347(0x003E,0x0038);
LCD_write_reg_HX8347(0x0040,0x000F);
LCD_write_reg_HX8347(0x0041,0x00F0);
LCD_write_reg_HX8347(0x0038,0x0000);
// Power Setting
LCD_write_reg_HX8347(0x0019,0x0049);
LCD_write_reg_HX8347(0x0093,0x000A);
LCD_Delay(10);
LCD_write_reg_HX8347(0x0020,0x0020);
LCD_write_reg_HX8347(0x001D,0x0003);
LCD_write_reg_HX8347(0x001E,0x0000);
LCD_write_reg_HX8347(0x001F,0x0009);
LCD_write_reg_HX8347(0x0044,0x0053);
LCD_write_reg_HX8347(0x0045,0x0010);
LCD_Delay(10);
LCD_write_reg_HX8347(0x001C,0x0004);
LCD_Delay(20);
LCD_write_reg_HX8347(0x0043,0x0080);
LCD_Delay(5);
LCD_write_reg_HX8347(0x001B,0x000a);
LCD_Delay(40);
LCD_write_reg_HX8347(0x001B,0x0012);
LCD_Delay(40);
//Display On Setting
LCD_write_reg_HX8347(0x0090,0x007F);
LCD_write_reg_HX8347(0x0026,0x0004);
LCD_Delay(40);
LCD_write_reg_HX8347(0x0026,0x0024);
LCD_write_reg_HX8347(0x0026,0x002C);
LCD_Delay(40);
LCD_write_reg_HX8347(0x0070,0x0008);
LCD_write_reg_HX8347(0x0026,0x003C);
LCD_write_reg_HX8347(0x0057,0x0002);
LCD_write_reg_HX8347(0x0055,0x0000);
LCD_write_reg_HX8347(0x0057,0x0000);
LCD_CtrlWrite_HX8347(0x0000);
LCDID=REG16(MAIN_LCD_DATA_ADDR);
printf("reg%d = %x ----",ii,LCDID );
LCD_CtrlWrite_HX8347(0x0022); //??
}
void LCD_BlockWrite_HX8347(UINT16 startx,UINT16 starty,UINT16 endx,UINT16 endy,UINT16 pdata)
{
UINT32 aa,bb;
LCD_CtrlWrite_HX8347(0x0002);
LCD_DataWrite_HX8347((startx>>8)&0xff);
LCD_CtrlWrite_HX8347(0x0003);
LCD_DataWrite_HX8347((startx&0xff));
LCD_CtrlWrite_HX8347(0x0004);
LCD_DataWrite_HX8347((endx>>8)&0xff);
LCD_CtrlWrite_HX8347(0x0005);
LCD_DataWrite_HX8347(endx&0xff);
LCD_CtrlWrite_HX8347(0x0006);
LCD_DataWrite_HX8347((starty>>8)&0xff);
LCD_CtrlWrite_HX8347(0x0007);
LCD_DataWrite_HX8347(starty&0xff);
LCD_CtrlWrite_HX8347(0x0008);
LCD_DataWrite_HX8347((endy>>8)&0xff);
LCD_CtrlWrite_HX8347(0x0009);
LCD_DataWrite_HX8347(endy&0xff);
LCD_CtrlWrite_HX8347(0x0016);
LCD_DataWrite_HX8347(0x00C8);
LCD_CtrlWrite_HX8347(0x0022);
for(aa=startx;aa<endx;aa++)
{
for(bb=starty;bb<endy;bb++)
{
//LCD_DataWrite_TA7601(*pdata);
LCD_DataWrite_HX8347(pdata);
//pdata++;
}
}
}
void SetBrightLevel_HX8347(UINT32 level)
{
/*you can use PWM to control backlight level*/
}
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