//***************************************************************
//
//*****    Focus LCDs     *****
//***** LCDs Made Simple  *****
//***** www.FocusLCDs.com *****
//
//***************************************************************
//
////NOTE:VCC=3.3V,
//****************************************************************
void write_command (unsigned char y) // (uchar y,uchar x)
{
  unsigned char i;
csb=0;
sclb=0;
sdi=0;
sclb=1;
for(i=0;i<8;i++)
    {
     sclb=0;      
      if (y&0x80)
       {
          sdi=1;
        }
          else
         {
          sdi=0;
         }
       sclb=1;
      y=y<<1;
    }
csb=1;
}
//***************************************************************
void write_data(unsigned char w) // (uchar w, uchar v)
{
  unsigned char i;
csb=0;
sclb=0;
sdi=1;
sclb=1;
for(i=0;i<8;i++)
 {
  sclb=0;
     if (w&0x80)
     {
        sdi=1;
       }
          else
        {
         sdi=0;
        }
   sclb=1;
   w=w<<1;
    }
csb=1;
}

/*************************************************/
void initi(void)
{
   res=1;
   delay(10);
   res=0;
   delay(10);
   res=1;
   delay(120);
//************Start Initial Sequence****************************
write_command(0xC8);       //Set EXTC
 write_data(0xFF);
 write_data(0x93);
 write_data(0x42);
  
write_command(0xb6);  
 write_data(0x0a);
 write_data(0xE0);//SS GS

write_command(0x36); //Memory Access Control
 write_data(0x08); //MY,MX,MV,ML,BGR,MH

  
write_command(0xC0); //Power Control 1
 write_data(0x12); //VRH[5:0]
 write_data(0x12); //VC[3:0]
  
write_command(0xC1);  //Power Control 2
 write_data(0x04); //02,SAP[2:0],BT[3:0]VGL=12V,VGH=15V
  
write_command(0xC5); //VCOM
 write_data(0XFD); //C8++
  
write_command(0xB1);      
 write_data(0x00);     
 write_data(0x1B);

write_command(0xB4);      
 write_data(0x02);
//*****************GAMMA*****************  
write_command(0xE0);
 write_data(0x00);//P01-VP63   
 write_data(0x05);//P02-VP62   
 write_data(0x08);//P03-VP61   
 write_data(0x04);//P04-VP59   
 write_data(0x13);//P05-VP57   
 write_data(0x0A);//P06-VP50   
 write_data(0x34);//P07-VP43   
 write_data(0x8A);//P08-VP27,36
 write_data(0x46);//P09-VP20   
 write_data(0x07);//P10-VP13   
 write_data(0x0E);//P11-VP6    
 write_data(0x0A);//P12-VP4    
 write_data(0x1B);//P13-VP2    
 write_data(0x1D);//P14-VP1    
 write_data(0x0F);//P15-VP0    
  
write_command(0xE1);
 write_data(0x0C);//P01
 write_data(0x05);//P02
 write_data(0x08);//P03
 write_data(0x04);//P04
 write_data(0x13);//P05
 write_data(0x0A);//P06
 write_data(0x34);//P07
 write_data(0x8A);//P08
 write_data(0x46);//P09
 write_data(0x07);//P10
 write_data(0x0E);//P11
 write_data(0x0A);//P12
 write_data(0x1B);//P13
 write_data(0x1D);//P14
 write_data(0x0F);//P15

write_command(0x21); 
//*************RGB interface set**************
write_command(0x3A); //Pixel Format Set
write_data(0x66); //18BIT

write_command(0xB0); //此寄存器很重要，重点设置DEN，DOCLK，HSYNC，VSYNC的极性，与客人的主控有很大的联系,客人请自己行根据IC规格书和主控进行调整.
write_data(0xC0);//40,42,60,62,cc。C0客人反映OK，麻点是PCLK的时序没有配合好,如果客人是上升沿的，那么我的为下降沿.

write_command(0xf6);//此寄存器设RGB模式或VSYNC模式接口，选择用16或18BIT 数据线.
write_data(0x00);//01
write_data(0x00);
write_data(0x06);//08

//********Window(窗口/地址)****************
write_command(0x2A); //320
write_data(0x00);
write_data(0x00);
write_data(0x01);
write_data(0x3F);

write_command(0x2B); //240
write_data(0x00);
write_data(0x00);
write_data(0x00);
write_data(0xEF);
//****************************** 
write_command(0x11);//Exit Sleep
delay(120);
write_command(0x29);//Display On
write_command(0x2c); 	   
}
//***********************************************
void LCD_Enter_Standby(void)
{
   write_command(0x28);//display off
   delay(10);
  write_command(0x10);
  RGB_OFF();
 
   }
void LCD_Exit_Standby (void)
{
  RGB_ON();
  elay(100);
   write_command(0x11);// Exit Sleep/ Standby mode
   delay(120);
   write_command(0x29);
  }
//*****************************************************