Tianma 2.0QVGA 
ILI9335 initial code
2009-06-11

//=====================================================

void ILI9335_TS20_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 **********//
  WriteLCDReg(0x0001, 0x0100); // driver output control
  WriteLCDReg(0x0002, 0x0200); // set inverion
  WriteLCDReg(0x0003, 0x1030); // set entry mode
  WriteLCDReg(0x0008, 0x0202); // set back & front porch
  WriteLCDReg(0x0009, 0x0000); // set scan interval
  WriteLCDReg(0x000a, 0x0000); // set display control1
  WriteLCDReg(0x000c, 0x0000); // set RGB I/F display control
  WriteLCDReg(0x000d, 0x0000); // set frame mark position
  WriteLCDReg(0x0060, 0x2700); // set gate scan control
  WriteLCDReg(0x0061, 0x0001); // Normally White
  WriteLCDReg(0x006a, 0x0000); // set gate scan control
  Delayms(10);                 // delay 10ms
  WriteLCDReg(0x0010, 0x1190); // set BT, STB & SLP
  WriteLCDReg(0x0011, 0x0227); // set VCi1 & step up circuits
  Delayms(80);                 // delay 80ms
  WriteLCDReg(0x0012, 0x008c); // set VREGOUT1
  Delayms(10);                 // delay 10ms
  WriteLCDReg(0x0013, 0x1900); // set VCOMAC
  WriteLCDReg(0x0029, 0x0024); // set VCOMH
  WriteLCDReg(0x002b, 0x000C); // set frame rate  80Hz
  Delayms(10);                 // delay 10ms
  WriteLCDReg(0x0020, 0x0000); // set Gram horizontal address
  WriteLCDReg(0x0021, 0x0000); // set Gram vertical address
  //============Gamma============
  WriteLCDReg(0x0030, 0x0400); //gamma 2.2
  WriteLCDReg(0x0031, 0x0306);
  WriteLCDReg(0x0032, 0x0002);
  WriteLCDReg(0x0035, 0x0302);
  WriteLCDReg(0x0036, 0x0004);
  WriteLCDReg(0x0037, 0x0507);
  WriteLCDReg(0x0038, 0x0003);
  WriteLCDReg(0x0039, 0x0703);
  WriteLCDReg(0x003c, 0x0203);
  WriteLCDReg(0x003d, 0x0004);
  //=============================
  WriteLCDReg(0x0050, 0x0000); // set RAM address
  WriteLCDReg(0x0051, 0x00ef);
  WriteLCDReg(0x0052, 0x0000);
  WriteLCDReg(0x0053, 0x013f);
  Delayms(10);                 //delay 10ms
  WriteLCDReg(0x0007, 0x0133); // display on
}                     


//==========================================================

void LCD_ExitSleep_ILI9335(void)
{
  //*************Power On sequence ******************//
  WriteLCDReg(0x0010, 0x0080); // SAP, BT[3:0], AP, DSTB, SLP
  delayms(50);                 // Dis-charge capacitor power voltage
  WriteLCDReg(0x0010, 0x1190); // SAP, BT[3:0], AP, DSTB, SLP, STB
  WriteLCDReg(0x0011, 0x0227); // DC1[2:0], DC0[2:0], VC[2:0]
  delayms(80);                 // Delay 50ms
  WriteLCDReg(0x0012, 0x008c); //Inernal reference voltage =Vci;
  delayms(10);                 // Delay 50ms
  WriteLCDReg(0x0013, 0x1900); // VDV[4:0] for VCOM amplitude
  WriteLCDReg(0x0029, 0x0020); // VCM[5:0] for VCOMH
  delayms(10);                 // Delay 50ms
  WriteLCDReg(0x0007, 0x0133); // 262K color and display ON
}

void LCD_EnterSleep_ILI9335(void)
{
  WriteLCDReg(0x0007, 0x0131); // Set D1=0, D0=1
  delayms(10);
  WriteLCDReg(0x0007, 0x0130); // Set D1=0, D0=0
  delayms(10);
  WriteLCDReg(0x0007, 0x0000); // display OFF
  //************* Power OFF sequence **************//
  WriteLCDReg(0x0010, 0x0080); // SAP, BT[3:0], APE, AP, DSTB, SLP
  WriteLCDReg(0x0011, 0x0000); // DC1[2:0], DC0[2:0], VC[2:0]
  WriteLCDReg(0x0012, 0x0000); // VREG1OUT voltage
  WriteLCDReg(0x0013, 0x0000); // VDV[4:0] for VCOM amplitude
  delayms(50);                 // Dis-charge capacitor power voltage
  WriteLCDReg(0x0010, 0x0082); // SAP, BT[3:0], APE, AP, DSTB, SLP
}