/*******************************************************************************
   @Company
     	Focus LCDs

   @Author
	Focus LCDs
	www.focuslcds.com

   @File Name
     	E35RB-FS450-N_3SPI_init.txt

   @Version
	Version 1.0.0 

   @Description
	This source file provides initialization for the Focus LCDs 
	E35RB-FS450-N TFT display.
/*******************************************************************************/

NOTE:VCI=3.3V,IOVCC=1.8V-3.3V.
//*************************************
void SPI_SendData(unsigned char i)
{  
   unsigned char n;
   for(n=0; n<8; n++)			
   {  
	  if(i&0x80) 
	    sdi=1;
      	else 
		sdi=0;
	  sclb=0;
      sclb=1;	
	  i<<= 1;	
   } 
}

void write_command(unsigned int i)	 
{
    csb=0;
	SPI_SendData(0x70);	 //high 8bit
	SPI_SendData(i>>8);
	SPI_SendData(i);
    csb=1;
}

void write_data(unsigned int i)
{
    csb=0;
	SPI_SendData(0x72);	//high 8bit
	SPI_SendData(i>>8);	//low 8bit
	SPI_SendData(i);
    csb=1;
}

/*************************************************/
void initi(void)
{

   res=1;
   delay(1);
   res=0;
   delay(10);
   res=1;
   delay(120);
/*************************/
//GAMMA SETTING
write_command(0x0046);write_data(0x0044);
write_command(0x0047);write_data(0x0044);
write_command(0x0048);write_data(0x0045);
write_command(0x0049);write_data(0x0025);
write_command(0x004A);write_data(0x0023);
write_command(0x004B);write_data(0x0045);
write_command(0x004C);write_data(0x0025);
write_command(0x004D);write_data(0x0023);
write_command(0x004E);write_data(0x0050);
write_command(0x004F);write_data(0x0000);
write_command(0x0050);write_data(0x0050);
write_command(0x0051);write_data(0x0000);
//240x320 window setting
write_command(0x0002);write_data(0x0000); // Column address start2
write_command(0x0003);write_data(0x0000); // Column address start1
write_command(0x0004);write_data(0x0000); // Column address end2
write_command(0x0005);write_data(0x00EF); // Column address end1
write_command(0x0006);write_data(0x0000); // Row address start2
write_command(0x0007);write_data(0x0000); // Row address start1
write_command(0x0008);write_data(0x0001); // Row address end2
write_command(0x0009);write_data(0x003F); // Row address end1

// Display Setting
write_command(0x0016);write_data(0x0008); // 48 MY=0);write_data( MX=0);write_data( MV=0);write_data( ML=1);write_data( BGR=0);write_data( TEON=0
write_command(0x0038);write_data(0x0000); // RGB_EN=0);write_data( use MPU Interface)
write_command(0x0023);write_data(0x0095); // N_DC=1001 0101
write_command(0x0024);write_data(0x0095); // PI_DC=1001 0101
write_command(0x0025);write_data(0x00FF); // I_DC=1111 1111
write_command(0x0027);write_data(0x0002); // N_BP=0000 0010
write_command(0x0028);write_data(0x0002); // N_FP=0000 0010
write_command(0x0029);write_data(0x0002); // PI_BP=0000 0010
write_command(0x002A);write_data(0x0002); // PI_FP=0000 0010
write_command(0x002C);write_data(0x0002); // I_BP=0000 0010
write_command(0x002D);write_data(0x0002); // I_FP=0000 0010
write_command(0x003A);write_data(0x00A1); // N_RTN=0000);write_data( N_NW=001
write_command(0x003B);write_data(0x00A1); // PI_RTN=0000);write_data( PI_NW=000
write_command(0x003C);write_data(0x00A0); // I_RTN=1111);write_data( I_NW=000
write_command(0x003D);write_data(0x0000); // DIV=00
delay(20);

// Power Supply Setting
write_command(0x0019);write_data(0x0049); // CADJ=0100);write_data( CUADJ=100(FR:60Hz));write_data();write_data( OSD_EN=1
write_command(0x0093);write_data(0x000F); // RADJ=1111);write_data( 100%
delay(10);
write_command(0x0020);write_data(0x0010); // BT=0100
write_command(0x001D);write_data(0x0001); // VC1=111
write_command(0x001E);write_data(0x0006); // VC3=000
write_command(0x001F);write_data(0x000C); // VRH=0100

// VCOM Setting for Panel
write_command(0x0044);write_data(0x0050); // VCM
write_command(0x0045);write_data(0x0010); // VDV=1 0001
write_command(0x001C);write_data(0x0004); // AP=100
delay(20);
write_command(0x001B);write_data(0x0008); // GASENB=0);write_data( PON=1);write_data( DK=1);write_data( XDK=0);write_data( VLCD_TRI=0);write_data( STB=0
delay(40);
write_command(0x001B);write_data(0x0014); // GASENB=0);write_data( PON=1);write_data( DK=0);write_data( XDK=0);write_data( VLCD_TRI=0);write_data( STB=0
delay(40);
write_command(0x0043);write_data(0x0080); //Set VCOMG=1
delay(100);

// Display ON Setting
write_command(0x0090);write_data(0x00F0); // SAP=0111 1111
write_command(0x0026);write_data(0x0024); //GON=0);write_data( DTE=0);write_data( D=01
delay(40);
write_command(0x0026);write_data(0x0024); //GON=1);write_data( DTE=0);write_data( D=01
write_command(0x0026);write_data(0x002C); //GON=1);write_data( DTE=0);write_data( D=11
delay(40);
write_command(0x0026);write_data(0x003C); //GON=1);write_data( DTE=1);write_data( D=11
//Cycle Control	
write_command(0x0035);write_data(0x0038); // EQS=38h
write_command(0x0036);write_data(0x0078); // EQP=78h
write_command(0x003E);write_data(0x0038); // SON=38h
write_command(0x0040);write_data(0x000F); // GDON=0Fh
//Display Control	
write_command(0x0041);write_data(0x00F0); // GDOFF

// Internal register setting
write_command(0x0095);write_data(0x0001); // Set Display clock and Pumping clock to synchronize
//RGB Interface Control,RGB	polarity(HS,VS,DE,DOTCLK)
//write_command(0x0038);write_data(0x0010); //RGB Interface ON
//Internal Use 
write_command(0x0070);write_data(0x0066); //Internal Use
// TEST MODE Control	
write_command(0x0096);write_data(0x0001); //Data format

}

//**********************************************************
void LCD_Enter_Standby(void)
{
 write_command(0x0007);write_data( 0x0131); // Set D1=0);write_data( D0=1
   delay(10);
 write_command(0x0007);write_data( 0x0130); // Set D1=0);write_data( D0=0
    delay(10);
 write_command(0x0007);write_data( 0x0000); // display OFF
  //************* Power OFF sequence **************
 write_command(0x0010);write_data( 0x0080); // SAP);write_data( BT[3:0]);write_data( APE);write_data( AP);write_data( DSTB);write_data( SLP
 write_command(0x0011);write_data( 0x0000); // DC1[2:0]);write_data( DC0[2:0]);write_data( VC[2:0]
 write_command(0x0012);write_data( 0x0000); // VREG1OUT voltage
 write_command(0x0013);write_data( 0x0000); // VDV[4:0] for VCOM amplitude
    delay(200);                        // Dis-charge capacitor power voltage
 write_command(0x0010);write_data( 0x0082); // SAP);write_data( BT[3:0]);write_data( APE);write_data( AP);write_data( DSTB);write_data( SLP

   }
void LCD_Exit_Standby (void)
{  
 //*************Power On sequence ******************
 write_command(0x0010);write_data( 0x0080); // SAP);write_data( BT[3:0]);write_data( AP);write_data( DSTB);write_data( SLP
 write_command(0x0011);write_data( 0x0000); // DC1[2:0]);write_data( DC0[2:0]);write_data( VC[2:0]
 write_command(0x0012);write_data( 0x0000); // VREG1OUT voltage
 write_command(0x0013);write_data( 0x0000); // VDV[4:0] for VCOM amplitude
 write_command(0x0007);write_data( 0x0001);
    delay(200);                        // Dis-charge capacitor power voltage
 write_command(0x0010);write_data( 0x1490); // SAP);write_data( BT[3:0]);write_data( AP);write_data( DSTB);write_data( SLP);write_data( STB
 write_command(0x0011);write_data( 0x0227); // R11h=0x0221 at VCI=3.3V DC1[2:0]);write_data( DC0[2:0]);write_data( VC[2:0]
   delay(50);                         // Delay 50ms
 write_command(0x0012);write_data( 0x008C); // External reference voltage =Vci;
    delay(50);                         // Delay 50ms
 write_command(0x0013);write_data( 0x1800); // R13h=0x1200 when R12=009D VDV[4:0] for VCOM amplitude
 write_command(0x0029);write_data( 0x0025); // R29h=0x000C when R12=009D VCM[5:0] for VCOMH
   delay(50);                         // Delay 50ms
 write_command(0x0007);write_data( 0x0133); // 262K color and display ON
   
  }