📄 lcd.c
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LCD_WriteReg(0x0002, 0x0200); /* set 1 line inversion */
LCD_WriteReg(0x0003, 0x1030); /* set GRAM write direction and BGR=1 */
LCD_WriteReg(0x0008, 0x0202); /* set the back porch and front porch */
LCD_WriteReg(0x0009, 0x0000); /* set non-display area refresh cycle ISC[3:0] */
LCD_WriteReg(0x000A, 0x0000); /* FMARK function */
LCD_WriteReg(0x000C, 0x0000); /* RGB interface setting */
LCD_WriteReg(0x000D, 0x0000); /* Frame marker Position */
LCD_WriteReg(0x000F, 0x0000); /* RGB interface polarity */
/* Power On sequence */
LCD_WriteReg(0x0010, 0x0000); /* SAP, BT[3:0], AP, DSTB, SLP, STB */
LCD_WriteReg(0x0011, 0x0007); /* DC1[2:0], DC0[2:0], VC[2:0] */
LCD_WriteReg(0x0012, 0x0000); /* VREG1OUT voltage */
LCD_WriteReg(0x0013, 0x0000); /* VDV[4:0] for VCOM amplitude */
delay_ms(200); /* delay 200 ms */
LCD_WriteReg(0x0010, 0x1690); /* SAP, BT[3:0], AP, DSTB, SLP, STB */
LCD_WriteReg(0x0011, 0x0227); /* DC1[2:0], DC0[2:0], VC[2:0] */
delay_ms(50); /* delay 50 ms */
LCD_WriteReg(0x0012, 0x000C); /* Internal reference voltage= Vci */
delay_ms(50); /* delay 50 ms */
LCD_WriteReg(0x0013, 0x0800); /* Set VDV[4:0] for VCOM amplitude */
LCD_WriteReg(0x0029, 0x0011); /* Set VCM[5:0] for VCOMH */
LCD_WriteReg(0x002B, 0x000B); /* Set Frame Rate */
delay_ms(50); /* delay 50 ms */
LCD_WriteReg(0x0020, 0x0000); /* GRAM horizontal Address */
LCD_WriteReg(0x0021, 0x0000); /* GRAM Vertical Address */
/* Adjust the Gamma Curve */
LCD_WriteReg(0x0030, 0x0000);
LCD_WriteReg(0x0031, 0x0106);
LCD_WriteReg(0x0032, 0x0000);
LCD_WriteReg(0x0035, 0x0204);
LCD_WriteReg(0x0036, 0x160A);
LCD_WriteReg(0x0037, 0x0707);
LCD_WriteReg(0x0038, 0x0106);
LCD_WriteReg(0x0039, 0x0707);
LCD_WriteReg(0x003C, 0x0402);
LCD_WriteReg(0x003D, 0x0C0F);
/* Set GRAM area */
LCD_WriteReg(0x0050, 0x0000); /* Horizontal GRAM Start Address */
LCD_WriteReg(0x0051, 0x00EF); /* Horizontal GRAM End Address */
LCD_WriteReg(0x0052, 0x0000); /* Vertical GRAM Start Address */
LCD_WriteReg(0x0053, 0x013F); /* Vertical GRAM Start Address */
LCD_WriteReg(0x0060, 0x2700); /* Gate Scan Line */
LCD_WriteReg(0x0061, 0x0001); /* NDL,VLE, REV */
LCD_WriteReg(0x006A, 0x0000); /* set scrolling line */
/* Partial Display Control */
LCD_WriteReg(0x0080, 0x0000);
LCD_WriteReg(0x0081, 0x0000);
LCD_WriteReg(0x0082, 0x0000);
LCD_WriteReg(0x0083, 0x0000);
LCD_WriteReg(0x0084, 0x0000);
LCD_WriteReg(0x0085, 0x0000);
/* Panel Control */
LCD_WriteReg(0x0090, 0x0010);
LCD_WriteReg(0x0092, 0x0600);
LCD_WriteReg(0x0007,0x0021);
delay_ms(50); /* delay 50 ms */
LCD_WriteReg(0x0007,0x0061);
delay_ms(50); /* delay 50 ms */
LCD_WriteReg(0x0007,0x0133); /* 262K color and display ON */
}
else if( DeviceCode == 0x9919 )
{
LCD_Code = SSD2119;
/* POWER ON &RESET DISPLAY OFF */
LCD_WriteReg(0x28,0x0006);
LCD_WriteReg(0x00,0x0001);
LCD_WriteReg(0x10,0x0000);
LCD_WriteReg(0x01,0x72ef);
LCD_WriteReg(0x02,0x0600);
LCD_WriteReg(0x03,0x6a38);
LCD_WriteReg(0x11,0x6874);
LCD_WriteReg(0x0f,0x0000); /* RAM WRITE DATA MASK */
LCD_WriteReg(0x0b,0x5308); /* RAM WRITE DATA MASK */
LCD_WriteReg(0x0c,0x0003);
LCD_WriteReg(0x0d,0x000a);
LCD_WriteReg(0x0e,0x2e00);
LCD_WriteReg(0x1e,0x00be);
LCD_WriteReg(0x25,0x8000);
LCD_WriteReg(0x26,0x7800);
LCD_WriteReg(0x27,0x0078);
LCD_WriteReg(0x4e,0x0000);
LCD_WriteReg(0x4f,0x0000);
LCD_WriteReg(0x12,0x08d9);
/* Adjust the Gamma Curve */
LCD_WriteReg(0x30,0x0000);
LCD_WriteReg(0x31,0x0104);
LCD_WriteReg(0x32,0x0100);
LCD_WriteReg(0x33,0x0305);
LCD_WriteReg(0x34,0x0505);
LCD_WriteReg(0x35,0x0305);
LCD_WriteReg(0x36,0x0707);
LCD_WriteReg(0x37,0x0300);
LCD_WriteReg(0x3a,0x1200);
LCD_WriteReg(0x3b,0x0800);
LCD_WriteReg(0x07,0x0033);
}
else if( DeviceCode == 0x1505 || DeviceCode == 0x0505 )
{
LCD_Code = R61505U;
/* second release on 3/5 ,luminance is acceptable,water wave appear during camera preview */
LCD_WriteReg(0x0007,0x0000);
delay_ms(50); /* delay 50 ms */
LCD_WriteReg(0x0012,0x011C); /* why need to set several times? */
LCD_WriteReg(0x00A4,0x0001); /* NVM */
LCD_WriteReg(0x0008,0x000F);
LCD_WriteReg(0x000A,0x0008);
LCD_WriteReg(0x000D,0x0008);
/* GAMMA CONTROL */
LCD_WriteReg(0x0030,0x0707);
LCD_WriteReg(0x0031,0x0007);
LCD_WriteReg(0x0032,0x0603);
LCD_WriteReg(0x0033,0x0700);
LCD_WriteReg(0x0034,0x0202);
LCD_WriteReg(0x0035,0x0002);
LCD_WriteReg(0x0036,0x1F0F);
LCD_WriteReg(0x0037,0x0707);
LCD_WriteReg(0x0038,0x0000);
LCD_WriteReg(0x0039,0x0000);
LCD_WriteReg(0x003A,0x0707);
LCD_WriteReg(0x003B,0x0000);
LCD_WriteReg(0x003C,0x0007);
LCD_WriteReg(0x003D,0x0000);
delay_ms(50); /* delay 50 ms */
LCD_WriteReg(0x0007,0x0001);
LCD_WriteReg(0x0017,0x0001); /* Power supply startup enable */
delay_ms(50); /* delay 50 ms */
/* power control */
LCD_WriteReg(0x0010,0x17A0);
LCD_WriteReg(0x0011,0x0217); /* reference voltage VC[2:0] Vciout = 1.00*Vcivl */
LCD_WriteReg(0x0012,0x011E); /* Vreg1out = Vcilvl*1.80 is it the same as Vgama1out ? */
LCD_WriteReg(0x0013,0x0F00); /* VDV[4:0]-->VCOM Amplitude VcomL = VcomH - Vcom Ampl */
LCD_WriteReg(0x002A,0x0000);
LCD_WriteReg(0x0029,0x000A); /* Vcomh = VCM1[4:0]*Vreg1out gate source voltage?? */
LCD_WriteReg(0x0012,0x013E); /* power supply on */
/* Coordinates Control */
LCD_WriteReg(0x0050,0x0000);
LCD_WriteReg(0x0051,0x00EF);
LCD_WriteReg(0x0052,0x0000);
LCD_WriteReg(0x0053,0x013F);
/* Pannel Image Control */
LCD_WriteReg(0x0060,0x2700);
LCD_WriteReg(0x0061,0x0001);
LCD_WriteReg(0x006A,0x0000);
LCD_WriteReg(0x0080,0x0000);
/* Partial Image Control */
LCD_WriteReg(0x0081,0x0000);
LCD_WriteReg(0x0082,0x0000);
LCD_WriteReg(0x0083,0x0000);
LCD_WriteReg(0x0084,0x0000);
LCD_WriteReg(0x0085,0x0000);
/* Panel Interface Control */
LCD_WriteReg(0x0090,0x0013); /* frenqucy */
LCD_WriteReg(0x0092,0x0300);
LCD_WriteReg(0x0093,0x0005);
LCD_WriteReg(0x0095,0x0000);
LCD_WriteReg(0x0097,0x0000);
LCD_WriteReg(0x0098,0x0000);
LCD_WriteReg(0x0001,0x0100);
LCD_WriteReg(0x0002,0x0700);
LCD_WriteReg(0x0003,0x1030);
LCD_WriteReg(0x0004,0x0000);
LCD_WriteReg(0x000C,0x0000);
LCD_WriteReg(0x000F,0x0000);
LCD_WriteReg(0x0020,0x0000);
LCD_WriteReg(0x0021,0x0000);
LCD_WriteReg(0x0007,0x0021);
delay_ms(200); /* delay 200 ms */
LCD_WriteReg(0x0007,0x0061);
delay_ms(200); /* delay 200 ms */
LCD_WriteReg(0x0007,0x0173);
}
else if( DeviceCode == 0x8989 )
{
LCD_Code = SSD1289;
LCD_WriteReg(0x0000,0x0001); delay_ms(50); /* Enable LCD Oscillator */
LCD_WriteReg(0x0003,0xA8A4); delay_ms(50);
LCD_WriteReg(0x000C,0x0000); delay_ms(50);
LCD_WriteReg(0x000D,0x080C); delay_ms(50);
LCD_WriteReg(0x000E,0x2B00); delay_ms(50);
LCD_WriteReg(0x001E,0x00B0); delay_ms(50);
LCD_WriteReg(0x0001,0x2B3F); delay_ms(50); /* 320*240 0x2B3F */
LCD_WriteReg(0x0002,0x0600); delay_ms(50);
LCD_WriteReg(0x0010,0x0000); delay_ms(50);
LCD_WriteReg(0x0011,0x6070); delay_ms(50);
LCD_WriteReg(0x0005,0x0000); delay_ms(50);
LCD_WriteReg(0x0006,0x0000); delay_ms(50);
LCD_WriteReg(0x0016,0xEF1C); delay_ms(50);
LCD_WriteReg(0x0017,0x0003); delay_ms(50);
LCD_WriteReg(0x0007,0x0133); delay_ms(50);
LCD_WriteReg(0x000B,0x0000); delay_ms(50);
LCD_WriteReg(0x000F,0x0000); delay_ms(50);
LCD_WriteReg(0x0041,0x0000); delay_ms(50);
LCD_WriteReg(0x0042,0x0000); delay_ms(50);
LCD_WriteReg(0x0048,0x0000); delay_ms(50);
LCD_WriteReg(0x0049,0x013F); delay_ms(50);
LCD_WriteReg(0x004A,0x0000); delay_ms(50);
LCD_WriteReg(0x004B,0x0000); delay_ms(50);
LCD_WriteReg(0x0044,0xEF00); delay_ms(50);
LCD_WriteReg(0x0045,0x0000); delay_ms(50);
LCD_WriteReg(0x0046,0x013F); delay_ms(50);
LCD_WriteReg(0x0030,0x0707); delay_ms(50);
LCD_WriteReg(0x0031,0x0204); delay_ms(50);
LCD_WriteReg(0x0032,0x0204); delay_ms(50);
LCD_WriteReg(0x0033,0x0502); delay_ms(50);
LCD_WriteReg(0x0034,0x0507); delay_ms(50);
LCD_WriteReg(0x0035,0x0204); delay_ms(50);
LCD_WriteReg(0x0036,0x0204); delay_ms(50);
LCD_WriteReg(0x0037,0x0502); delay_ms(50);
LCD_WriteReg(0x003A,0x0302); delay_ms(50);
LCD_WriteReg(0x003B,0x0302); delay_ms(50);
LCD_WriteReg(0x0023,0x0000); delay_ms(50);
LCD_WriteReg(0x0024,0x0000); delay_ms(50);
LCD_WriteReg(0x0025,0x8000); delay_ms(50);
LCD_WriteReg(0x004f,0);
LCD_WriteReg(0x004e,0);
}
else if( DeviceCode == 0x8999 )
{
LCD_Code = SSD1298;
LCD_WriteReg(0x0028,0x0006);
LCD_WriteReg(0x0000,0x0001);
LCD_WriteReg(0x0003,0xaea4); /* power control 1---line frequency and VHG,VGL voltage */
LCD_WriteReg(0x000c,0x0004); /* power control 2---VCIX2 output voltage */
LCD_WriteReg(0x000d,0x000c); /* power control 3---Vlcd63 voltage */
LCD_WriteReg(0x000e,0x2800); /* power control 4---VCOMA voltage VCOML=VCOMH*0.9475-VCOMA */
LCD_WriteReg(0x001e,0x00b5); /* POWER CONTROL 5---VCOMH voltage */
LCD_WriteReg(0x0001,0x3b3f);
LCD_WriteReg(0x0002,0x0600);
LCD_WriteReg(0x0010,0x0000);
LCD_WriteReg(0x0011,0x6830);
LCD_WriteReg(0x0005,0x0000);
LCD_WriteReg(0x0006,0x0000);
LCD_WriteReg(0x0016,0xef1c);
LCD_WriteReg(0x0007,0x0033); /* Display control 1 */
/* when GON=1 and DTE=0,all gate outputs become VGL */
/* when GON=1 and DTE=0,all gate outputs become VGH */
/* non-selected gate wires become VGL */
LCD_WriteReg(0x000b,0x0000);
LCD_WriteReg(0x000f,0x0000);
LCD_WriteReg(0x0041,0x0000);
LCD_WriteReg(0x0042,0x0000);
LCD_WriteReg(0x0048,0x0000);
LCD_WriteReg(0x0049,0x013f);
LCD_WriteReg(0x004a,0x0000);
LCD_WriteReg(0x004b,0x0000);
LCD_WriteReg(0x0044,0xef00); /* Horizontal RAM start and end address */
LCD_WriteReg(0x0045,0x0000); /* Vretical RAM start address */
LCD_WriteReg(0x0046,0x013f); /* Vretical RAM end address */
LCD_WriteReg(0x004e,0x0000); /* set GDDRAM x address counter */
LCD_WriteReg(0x004f,0x0000); /* set GDDRAM y address counter */
/* y control */
LCD_WriteReg(0x0030,0x0707);
LCD_WriteReg(0x0031,0x0202);
LCD_WriteReg(0x0032,0x0204);
LCD_WriteReg(0x0033,0x0502);
LCD_WriteReg(0x0034,0x0507);
LCD_WriteReg(0x0035,0x0204);
LCD_WriteReg(0x0036,0x0204);
LCD_WriteReg(0x0037,0x0502);
LCD_WriteReg(0x003a,0x0302);
LCD_WriteReg(0x003b,0x0302);
LCD_WriteReg(0x0023,0x0000);
LCD_WriteReg(0x0024,0x0000);
LCD_WriteReg(0x0025,0x8000);
LCD_WriteReg(0x0026,0x7000);
LCD_WriteReg(0x0020,0xb0eb);
LCD_WriteReg(0x0027,0x007c);
}
else if( DeviceCode == 0x5408 )
{
LCD_Code = SPFD5408B;
LCD_WriteReg(0x0001,0x0100); /* Driver Output Contral Register */
LCD_WriteReg(0x0002,0x0700); /* LCD Driving Waveform Contral */
LCD_WriteReg(0x0003,0x1030);
LCD_WriteReg(0x0004,0x0000); /* Scalling Control register */
LCD_WriteReg(0x0008,0x0207); /* Display Control 2 */
LCD_WriteReg(0x0009,0x0000); /* Display Control 3 */
LCD_WriteReg(0x000A,0x0000); /* Frame Cycle Control */
LCD_WriteReg(0x000C,0x0000); /* External Display Interface Control 1 */
LCD_WriteReg(0x000D,0x0000); /* Frame Maker Position */
LCD_WriteReg(0x000F,0x0000); /* External Display Interface Control 2 */
delay_ms(50);
LCD_WriteReg(0x0007,0x0101); /* Display Control */
delay_ms(50);
LCD_WriteReg(0x0010,0x16B0); /* Power Control 1 */
LCD_WriteReg(0x0011,0x0001); /* Power Control 2 */
LCD_WriteReg(0x0017,0x0001); /* Power Control 3 */
LCD_WriteReg(0x0012,0x0138); /* Power Control 4 */
LCD_WriteReg(0x0013,0x0800); /* Power Control 5 */
LCD_WriteReg(0x0029,0x0009); /* NVM read data 2 */
LCD_WriteReg(0x002a,0x0009); /* NVM read data 3 */
LCD_WriteReg(0x00a4,0x0000);
LCD_WriteReg(0x0050,0x0000);
LCD_WriteReg(0x0051,0x00EF);
LCD_WriteReg(0x0052,0x0000);
LCD_WriteReg(0x0053,0x013F);
LCD_WriteReg(0x0060,0x2700); /* Driver Output Control */
LCD_WriteReg(0x0061,0x0003); /* Driver Output Control */
LCD_WriteReg(0x006A,0x0000); /* Vertical Scroll Control */
LCD_WriteReg(0x0080,0x0000); /* Display Position – Partial Display 1 */
LCD_WriteReg(0x0081,0x0000); /* RAM Address Start – Partial Display 1 */
LCD_WriteReg(0x0082,0x0000); /* RAM address End - Partial Display 1 */
LCD_WriteReg(0x0083,0x0000); /* Display Position – Partial Display 2 */
LCD_WriteReg(0x0084,0x0000); /* RAM Address Start – Partial Display 2 */
LCD_WriteReg(0x0085,0x0000); /* RAM address End – Partail Display2 */
LCD_WriteReg(0x0090,0x0013); /* Frame Cycle Control */
LCD_WriteReg(0x0092,0x0000); /* Panel Interface Control 2 */
LCD_WriteReg(0x0093,0x0003); /* Panel Interface control 3 */
LCD_WriteReg(0x0095,0x0110); /* Frame Cycle Control */
LCD_WriteReg(0x0007,0x0173);
}
else if( DeviceCode == 0x4531 )
{
LCD_Code = LGDP4531;
/* Setup display */
LCD_WriteReg(0x00,0x0001);
LCD_WriteReg(0x10,0x0628);
LCD_WriteReg(0x12,0x0006);
LCD_WriteReg(0x13,0x0A32);
LCD_WriteReg(0x11,0x0040);
LCD_WriteReg(0x15,0x0050);
LCD_WriteReg(0x12,0x0016);
delay_ms(50);
LCD_WriteReg(0x10,0x5660);
delay_ms(50);
LCD_WriteReg(0x13,0x2A4E);
LCD_WriteReg(0x01,0x0100);
LCD_WriteReg(0x02,0x0300);
LCD_WriteReg(0x03,0x1030);
LCD_WriteReg(0x08,0x0202);
LCD_WriteReg(0x0A,0x0000);
LCD_WriteReg(0x30,0x0000);
LCD_WriteReg(0x31,0x0402);
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