//***************************************************************
//
//*****    Focus LCDs     *****
//***** LCDs Made Simple  *****
//***** www.FocusLCDs.com *****
//
//***************************************************************
//
//
//NOTE:VCC=3.3V,IOVCC=1.8V-3.3V
//************************指令*****************************
void write_command (unsigned char y) // (uchar y,uchar x)
{
  unsigned char i;
  cs=0;
  rs=0;
  for(i=0;i<8;i++)
    {
     scl=0;
      if (y&0x80)
        {
          sdi=1;
          }
          else
         {
          sdi=0;
      }
       scl=1;
      y=y<<1;
    }
cs=1;
}
//************************************数据***************************
void write_data(unsigned char w) // (uchar w, uchar v)
{
  unsigned char i;
cs=0;
rs=1;
for(i=0;i<8;i++)
 {
  scl=0;
     if (w&0x80)
 {
        sdi=1;
    }
         else
       {
         sdi=0;
         } 
        scl=1;
      w=w<<1;
    }
cs=1;
}
//*********************************送显示数据
void write_DISPdata(unsigned char data3,data4)
{
  unsigned char a,i,b;
   cs=0;
   rs=1; 
   a=data3;
   for(i=0;i<8;i++)
     {
        scl=0;
        if (a&0x80)
        {
         sdi=1;
        }
          else
        {
         sdi=0;
      }
        scl=1;
       a=a<<1;
     }
   cs=1;
   cs=0;  
   b=data4;
   for(i=0;i<8;i++)
     {
      scl=0;
      if (b&0x80)
    {
        sdi=1;
      }
          else
       {
         sdi=0;
           }
        scl=1;
   b=b<<1;
     }
 cs=1;
}
/*************************************************/
void initi(void)
{
   res=1;
   delay(1);
   res=0;
   delay(10);
   res=1;
   delay(120);
//	************* Start Initial Sequence **********
write_command(0xB1); 
write_data(0x02); 
write_data(0x35); 
write_data(0x36); 

write_command(0xB2); 
write_data(0x02); 
write_data(0x35); 
write_data(0x36); 

write_command(0xB3); 
write_data(0x02); 
write_data(0x35); 
write_data(0x36); 
write_data(0x02); 
write_data(0x35); 
write_data(0x36); 
//------------------------------------End ST7735R Frame Rate-----------------------------------------// 
write_command(0xB4); //Column inversion 
write_data(0x03); 
//------------------------------------ST7735R Power Sequence-----------------------------------------// 
write_command(0xC0); 
write_data(0xA2); 
write_data(0x02); 
write_data(0x84); 

write_command(0xC1); 
write_data(0xC5); 

write_command(0xC2); 
write_data(0x0D); 
write_data(0x00); 

write_command(0xC3); 
write_data(0x8D); 
write_data(0x2A); 

write_command(0xC4); 
write_data(0x8D); 
write_data(0xEE); 
//---------------------------------End ST7735R Power Sequence-------------------------------------// 
write_command(0xC5); //VCOM 
write_data(0x03); 

write_command(0x36); //MX, MY, RGB mode 
write_data(0xC8); 
//------------------------------------ST7735R Gamma Sequence-----------------------------------------// 
write_command(0xe0); 
write_data(0x12); 
write_data(0x1C); 
write_data(0x10); 
write_data(0x18); 
write_data(0x33); 
write_data(0x2C); 
write_data(0x25); 
write_data(0x28); 
write_data(0x28); 
write_data(0x27); 
write_data(0x2F); 
write_data(0x3C); 
write_data(0x00); 
write_data(0x03); 
write_data(0x03); 
write_data(0x10); 

write_command(0xe1); 
write_data(0x12); 
write_data(0x1C); 
write_data(0x10); 
write_data(0x18); 
write_data(0x2D); 
write_data(0x28); 
write_data(0x23); 
write_data(0x28); 
write_data(0x28); 
write_data(0x26); 
write_data(0x2F); 
write_data(0x3B); 
write_data(0x00); 
write_data(0x03); 
write_data(0x03); 
write_data(0x10); 

write_command(0xFC); 
write_data(0x8C);

write_command(0x3A); //65k mode 
write_data(0x05); 

write_command(0x2a);//Set Column Address//128
write_data(0x00); 
write_data(0x00); 
write_data(0x00); 
write_data(0x7F); 

write_command(0x2b);//Set Page Address //128
write_data(0x00); 
write_data(0x20); //由于硬件设的是128*160,需页地址向后移32?
write_data(0x00); 
write_data(0x9F); 

write_command(0x11); // Exit Sleep
delay(120);
write_command(0x29); // Display On
delay(25);
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);

   }