//VCI=3.3V,根据IM的选择用对应的数据线位数.
//*********************16BIT*********************************
void write_command(unsigned int i)
{
	 cs=0;
	 rd=1;
	 rs=0;	 
 	 P2=i>>8;
	 P0=i;
	 rw=0;
	 rw=1;
	 cs=1; 
}

void write_data(unsigned int i)
{
	 cs=0;
	 rd=1;
	 rs=1;	
	 P2=i>>8;
	 P0=i;
	 rw=0;;
	 rw=1;
	 cs=1;
}
//********************8BIT****************************************
void write_command(unsigned int i)
{
	 cs=0;
	 rd=1;
	 rs=0;
 	 P2=i;
	 rw=0;
	 rw=1;
	 cs=1; 
}

void write_data(unsigned int i)
{
	 cs=0;
	 rd=1;
	 rs=1;	
	 P2=i>>8;
	 P2=i;
	 rw=0;;
	 rw=1;
	 cs=1;
}
/*************************************************/
void initi(void)
{ 
   res=1;
   delay(1);
   res=0;
   delay(10);
   res=1;
   delay(120);
//--------------------------------ST7789S Frame rate setting----------------------------------//
write_command(0xb2);
write_data(0x0c);
write_data(0x0c);
write_data(0x00);
write_data(0x33);
write_data(0x33);

write_command(0xb7);
write_data(0x35);

write_command(0x3A);
write_data(0x55);
//---------------------------------ST7789S Power setting--------------------------------------//
write_command(0xbb);
write_data(0x30);//vcom

write_command(0xc3);
write_data(0x1C);//17调深浅

write_command(0xc4);
write_data(0x18);

write_command(0xc6);
write_data(0x0f);

write_command(0xd0);
write_data(0xa4);
write_data(0xa2);
//--------------------------------ST7789S gamma setting---------------------------------------//
write_command(0xe0);
write_data(0xf0);
write_data(0x00);
write_data(0x0a);
write_data(0x10);
write_data(0x12);
write_data(0x1b);
write_data(0x39);
write_data(0x44);
write_data(0x47);
write_data(0x28);
write_data(0x12);
write_data(0x10);
write_data(0x16);
write_data(0x1b);

write_command(0xe1);
write_data(0xf0);
write_data(0x00);
write_data(0x0a);
write_data(0x10);
write_data(0x11);
write_data(0x1a);
write_data(0x3b);
write_data(0x34);
write_data(0x4e);
write_data(0x3a);
write_data(0x17);
write_data(0x16);
write_data(0x21);
write_data(0x22);

write_command(0x3a); 
write_data(0x55); //18 RGB ,55-16BIT RGB

//************************
write_command(0x11); 
delay(120);      //Delay 120ms 

write_command(0x29); //display on
write_command(0x2c); 

  }

//*********************************************************************************************
void EnterSleep (void)
{
    write_command(0x28);
    delay(20);
    write_command(0x10);
  
  }

//*********************************************************
void ExitSleep (void)

 {
    write_command(0x11);
    delay(120);
    write_command(0x29);

   }