LCD comandos

#define LCD_CLEARDISPLAY 0x01
#define LCD_RETURNHOME 0x02
#define LCD_ENTRYMODESET 0x04
#define LCD_DISPLAYCONTROL 0x08
#define LCD_CURSORSHIFT 0x10
#define LCD_FUNCTIONSET 0x20
#define LCD_SETCGRAMADDR 0x40
#define LCD_SETDDRAMADDR 0x80

// flags for display entry mode
#define LCD_ENTRYRIGHT 0x00
#define LCD_ENTRYLEFT 0x02
#define LCD_ENTRYSHIFTINCREMENT 0x01
#define LCD_ENTRYSHIFTDECREMENT 0x00

// flags for display on/off control
#define LCD_DISPLAYON 0x04
#define LCD_DISPLAYOFF 0x00
#define LCD_CURSORON 0x02
#define LCD_CURSOROFF 0x00
#define LCD_BLINKON 0x01
#define LCD_BLINKOFF 0x00

// flags for display/cursor shift
#define LCD_DISPLAYMOVE 0x08
#define LCD_CURSORMOVE 0x00
#define LCD_MOVERIGHT 0x04
#define LCD_MOVELEFT 0x00

// flags for function set
#define LCD_8BITMODE 0x10
#define LCD_4BITMODE 0x00
#define LCD_2LINE 0x08
#define LCD_1LINE 0x00
#define LCD_5x10DOTS 0x04
#define LCD_5x8DOTS 0x00

//----------------------------
void LCDbegin(byte HC595)
{
  delay(15);                                    // Tempo de power on

  outs.SetModule(0, HC595);                     // Zera saida do 595

  write595(3, HC595);                           // Envia Hex 3  Interface 8 bits long ??
  delayMicroseconds(4500);                      // wait min 4.1ms
  write595(3, HC595);                           // Envia Hex 3  Interface 8 bits long ??
  delayMicroseconds(40);                        // wait min 40 us
  write595(3, HC595);                           // Envia Hex 3  Interface 8 bits long ??
  delayMicroseconds(40);                        // wait min 40 us
  write595(2, HC595);                           // Envia Hex 2  Interface 4 bits long
  delayMicroseconds(40);                        // wait min 40 us

  // 28
  write595(LCD_FUNCTIONSET, HC595);
  write595(LCD_2LINE, HC595);                   // Envia Hex 8  display de 2 linhas
  delayMicroseconds(60);                        // wait min 60 us

  // 08
  write595(0, HC595);                           // Envia Hex 0
  write595(LCD_DISPLAYCONTROL, HC595);                           // Envia Hex 8  ativa display
  delayMicroseconds(60);

  // 0C
  write595(0, HC595);                           // Envia Hex 0
  write595(LCD_2LINE | LCD_DISPLAYON | LCD_CURSOROFF, HC595);   // Envia Hex 2 linlhas  cursor off Lcd on

  // 01
  write595(0, HC595);                           // Envia Hex 0
  write595(LCD_CLEARDISPLAY, HC595);            // Envia Hex 1  clear LCD
  delay(3);                                     // wait min 3ms
}
//-----------------------------------
void write595(byte value, byte HC595)
{
  cli();
  outs.SetModule(value , HC595);                // Envia dados
  pulse595(value, HC595 );                      // Pulsa ENA
  sei();
}
//-----------------------------------
void pulse595(byte value, byte HC595)           // Pulsa ENA para entra dados
{
  outs.SetModule((value  | 0x10), HC595);       // Adciona Ena
  outs.SetModule((value  | 0x00), HC595);       // Remove Ena
}
//------------------------------
void LCDwrite(byte value, byte HC595)           // Escreve um caracter
{
  byte data = (value >> 4 & 0x0F);              // Separa a parte alta do byte e or com RS
  data = data | 0x40;                           // Aciona RS no dado
  cli();                                        // Desabilita inerrupt
  outs.SetModule(data, HC595);                  // Envia dados
  pulse595(data, HC595);                        // Pulsa ENA
  sei();                                        // Habilita inerrupt

  data = (value  & 0x0F) ;                      // Separa a parte baixa do byte e or com RS
  data = data | 0x40;                           // Aciona RS no dado
  cli();                                        // Desabilita inerrupt
  outs.SetModule(data, HC595);                  // Envia dados
  pulse595(data, HC595);                        // Pulsa ENA
  sei();                                        // Habilita inerrupt
}
//---------------------------------------------------
void LCDsetCursor(byte value, byte line, byte HC595)
{
  LCDHome(HC595);
  line = line * 40;
  for (int i = 0; i < (value - 1 + line); i++)
  {
    write595(LCD_ENTRYSHIFTINCREMENT, HC595);                 // Envia Hex 10
    write595(LCD_MOVERIGHT, HC595);                           // Envia Hex 4
  }
}
//---------------------------------------------------
void LCDClear (byte HC595)
{
  write595(0, HC595);                           // Envia Hex 0
  write595(LCD_CLEARDISPLAY, HC595);            // Envia Hex 1  clear LCD
  delay(3);                                     // wait min 3ms
}
//-------------------------------------------------
void LCDHome(byte HC595)
{
  write595(0, HC595);                           // Envia Hex 0
  write595(LCD_RETURNHOME, HC595);              // Return to home
}
//----------------------------------------------------
void LCDCursorOn(byte HC595)
{
  write595(0, HC595);                                            //
  write595((LCD_2LINE | LCD_DISPLAYON | LCD_CURSORON), HC595);
}
//----------------------------------------------------
void LCDCursorOff(byte HC595)
{
  write595(0, HC595);                                          //
  write595((LCD_2LINE | LCD_DISPLAYON | LCD_CURSOROFF), HC595);
}
//--------------------------------------------
void LCD_BlinkOn(byte HC595)
{
  write595(0, HC595);                                          //
  write595((LCD_2LINE | LCD_DISPLAYON |  LCD_BLINKON), HC595);
}
//--------------------------------------------
void LCD_BlinkOff(byte HC595)
{
  write595(0, HC595);                                          //
  write595((LCD_2LINE | LCD_DISPLAYON |  LCD_BLINKOFF), HC595);
}