//DJN Co.,LTD.
//LCM operation code
//Driver IC: ILI9325
//Panel: CPT 2.4
/********************************************************************************
DESCRIPTION:
LCM initialization sequence.
PARAMETERS:
RETURNS:
REMARKS:
*********************************************************************************/
void ILI9325_wintek24_Initial(void)
{
// VCI=2.8V
//************* Reset LCD Driver ****************//
LCD_nRESET = 1;
delayms(1); // Delay 1ms
LCD_nRESET = 0;
delayms(10); // Delay 10ms // This delay time is necessary
LCD_nRESET = 1;
delayms(50); // Delay 50 ms
//************* Start Initial Sequence **********//
LCD_CtrlWrite_ILI9325(0x00E3, 0x3008); // Set internal timing
LCD_CtrlWrite_ILI9325(0x00E7, 0x0012); // Set internal timing
LCD_CtrlWrite_ILI9325(0x00EF, 0x1231); // Set internal timing
LCD_CtrlWrite_ILI9325(0x0001, 0x0100); // set SS and SM bit
LCD_CtrlWrite_ILI9325(0x0002, 0x0700); // set 1 line inversion
LCD_CtrlWrite_ILI9325(0x0003, 0x1030); // set GRAM write direction and BGR=1.
LCD_CtrlWrite_ILI9325(0x0004, 0x0000); // Resize register
LCD_CtrlWrite_ILI9325(0x0008, 0x0202); // set the back porch and front porch
LCD_CtrlWrite_ILI9325(0x0009, 0x0000); // set non-display area refresh cycle ISC[3:0]
LCD_CtrlWrite_ILI9325(0x000A, 0x0000); // FMARK function
LCD_CtrlWrite_ILI9325(0x000C, 0x0000); // RGB interface setting
LCD_CtrlWrite_ILI9325(0x000D, 0x0000); // Frame marker Position
LCD_CtrlWrite_ILI9325(0x000F, 0x0000); // RGB interface polarity
//*************Power On sequence ****************//
LCD_CtrlWrite_ILI9325(0x0010, 0x0000); // SAP, BT[3:0], AP, DSTB, SLP, STB
LCD_CtrlWrite_ILI9325(0x0011, 0x0007); // DC1[2:0], DC0[2:0], VC[2:0]
LCD_CtrlWrite_ILI9325(0x0012, 0x0000); // VREG1OUT voltage
LCD_CtrlWrite_ILI9325(0x0013, 0x0000); // VDV[4:0] for VCOM amplitude
delayms(200); // Dis-charge capacitor power voltage
LCD_CtrlWrite_ILI9325(0x0010, 0x1690); // SAP, BT[3:0], AP, DSTB, SLP, STB
LCD_CtrlWrite_ILI9325(0x0011, 0x0227); // R11h=0x0221 at VCI=3.3V, DC1[2:0], DC0[2:0], VC[2:0]
delayms(50); // Delay 50ms
LCD_CtrlWrite_ILI9325(0x0012, 0x001C); // External reference voltage= Vci;
delayms(50); // Delay 50ms
LCD_CtrlWrite_ILI9325(0x0013, 0x1800); // R13=1200 when R12=009D;VDV[4:0] for VCOM amplitude
LCD_CtrlWrite_ILI9325(0x0029, 0x001C); // R29=000C when R12=009D;VCM[5:0] for VCOMH
LCD_CtrlWrite_ILI9325(0x002B, 0x000D); // Frame Rate = 91Hz
delayms(50); // Delay 50ms
LCD_CtrlWrite_ILI9325(0x0020, 0x0000); // GRAM horizontal Address
LCD_CtrlWrite_ILI9325(0x0021, 0x0000); // GRAM Vertical Address
// ----------- Adjust the Gamma Curve ----------//
LCD_CtrlWrite_ILI9325(0x0030, 0x0007);
LCD_CtrlWrite_ILI9325(0x0031, 0x0302);
LCD_CtrlWrite_ILI9325(0x0032, 0x0105);
LCD_CtrlWrite_ILI9325(0x0035, 0x0206);
LCD_CtrlWrite_ILI9325(0x0036, 0x0808);
LCD_CtrlWrite_ILI9325(0x0037, 0x0206);
LCD_CtrlWrite_ILI9325(0x0038, 0x0504);
LCD_CtrlWrite_ILI9325(0x0039, 0x0007);
LCD_CtrlWrite_ILI9325(0x003C, 0x0105);
LCD_CtrlWrite_ILI9325(0x003D, 0x0808);
//------------------ Set GRAM area ---------------//
LCD_CtrlWrite_ILI9325(0x0050, 0x0000); // Horizontal GRAM Start Address
LCD_CtrlWrite_ILI9325(0x0051, 0x00EF); // Horizontal GRAM End Address
LCD_CtrlWrite_ILI9325(0x0052, 0x0000); // Vertical GRAM Start Address
LCD_CtrlWrite_ILI9325(0x0053, 0x013F); // Vertical GRAM Start Address
LCD_CtrlWrite_ILI9325(0x0060, 0xA700); // Gate Scan Line
LCD_CtrlWrite_ILI9325(0x0061, 0x0001); // NDL,VLE, REV
LCD_CtrlWrite_ILI9325(0x006A, 0x0000); // set scrolling line
//-------------- Partial Display Control ---------//
LCD_CtrlWrite_ILI9325(0x0080, 0x0000);
LCD_CtrlWrite_ILI9325(0x0081, 0x0000);
LCD_CtrlWrite_ILI9325(0x0082, 0x0000);
LCD_CtrlWrite_ILI9325(0x0083, 0x0000);
LCD_CtrlWrite_ILI9325(0x0084, 0x0000);
LCD_CtrlWrite_ILI9325(0x0085, 0x0000);
//-------------- Panel Control -------------------//
LCD_CtrlWrite_ILI9325(0x0090, 0x0010);
LCD_CtrlWrite_ILI9325(0x0092, 0x0000);
LCD_CtrlWrite_ILI9325(0x0093, 0x0003);
LCD_CtrlWrite_ILI9325(0x0095, 0x0110);
LCD_CtrlWrite_ILI9325(0x0097, 0x0000);
LCD_CtrlWrite_ILI9325(0x0098, 0x0000);
LCD_CtrlWrite_ILI9325(0x0007, 0x0133); // 262K color and display ON
}
/********************************************************************************
DESCRIPTION:
LCM display window setting.
PARAMETERS:
xs: Horizontal Address Start Position
xe: Horizontal Address End Position
ys: Vertical Address Start Position
ye: Vertical Address End Position
RETURNS:
REMARKS:
*********************************************************************************/
void LCD_set_Window_ILI9325(int xs,int xe,int ys,int ye)
{
LCD_CtrlWrite_ILI9325(0x0050,xs);
LCD_CtrlWrite_ILI9325(0x0051,xe);
LCD_CtrlWrite_ILI9325(0x0052,ys);
LCD_CtrlWrite_ILI9325(0x0053,ye);
LCD_CtrlWrite_ILI9325(0x0020,xs);
LCD_CtrlWrite_ILI9325(0x0021,ys);
LCD_WRITE_CMD(0x0022);
}
/********************************************************************************
DESCRIPTION:
LCM enter_sleep_mode sequence.
PARAMETERS:
RETURNS:
REMARKS:
*********************************************************************************/
void LCD_EnterSleep_lil9325(void)
{
LCD_CtrlWrite_ILI9325(0x0007,0x0131);//setD1=0,D0=1
delayms(10);
LCD_CtrlWrite_ILI9325(0x0007,0x0130);//setD1=0,D0=0
delayms(10);
LCD_CtrlWrite_ILI9325(0x0007,0x0000);//displayoff
//power off sequence
LCD_CtrlWrite_ILI9325(0x0010,0x0000);//SAP,BT[3:0],AP,DSTB,SLP,STB
LCD_CtrlWrite_ILI9325(0x0011,0x0000);//DC1[2:0],DC0[2:0],VC[2:0]
LCD_CtrlWrite_ILI9325(0x0012,0x0000);//VREG1OUTvoltage
LCD_CtrlWrite_ILI9325(0x0013,0x0000);//VDV[4:0]forVCOMamplitude
delayms(200);//dis-chargecapacitorpowervoltage
LCD_CtrlWrite_ILI9325(0x0010,0x0002);//SAP,BT[3:0],APE,AP,DSTB,SLP
}
/********************************************************************************
DESCRIPTION:
LCM exit_sleep_mode sequence.
PARAMETERS:
RETURNS:
REMARKS:
*********************************************************************************/
void LCD_ExitSleep_ILI9325(void)
{
//Power On sequence
LCD_CtrlWrite_ILI9325(0x0010,0x0000); // SAP, BT[3:0], AP, DSTB, SLP, STB
LCD_CtrlWrite_ILI9325(0x0011,0x0007); //DC1[2:0], DC0[2:0], VC[2:0]
LCD_CtrlWrite_ILI9325(0x0012,0x0000); //VREG1OUT voltage
LCD_CtrlWrite_ILI9325(0x0013,0x0000); //VDV[4:0] for VCOM amplitude
delayms(200);
LCD_CtrlWrite_ILI9325(0x0010,0x1490); //SAP, BT[3:0], AP, DSTB, SLP, STB
LCD_CtrlWrite_ILI9325(0x0011,0x0227); //DC1[2:0], DC0[2:0], VC[2:0]
delayms(50);
LCD_CtrlWrite_ILI9325(0x0012,0x001C); //External reference voltage=Vci
delayms(50);
LCD_CtrlWrite_ILI9325(0x0013,0x1800); //VDV[4:0] for VCOM amplitude
LCD_CtrlWrite_ILI9325(0x0029,0x001C); //VCM[4:0] for VCOMH
delayms(50);
LCD_CtrlWrite_ILI9325(0x0007,0x0133);//
}
