// Definition von 3 i/o-Pins
// diese könne beliebig verteilt sein


//-------------- Definieren von 3 i/o-Pins -------------------------
#define _6963_D0_DDR  DDRC
#define _6963_D0_PORT PORTC
#define _6963_D0_PIN  PINC
#define _6963_D0_P    PC2
//--------------------Data 1--------------------------------------
#define _6963_D1_DDR  DDRC
#define _6963_D1_PORT PORTC
#define _6963_D1_PIN  PINC
#define _6963_D1_P    PC1
//--------------------Data 2--------------------------------------
#define _6963_D2_DDR  DDRC
#define _6963_D2_PORT PORTC
#define _6963_D2_PIN  PINC
#define _6963_D2_P    PC0

//     
//		Definieren der Funktionen für die 3 Datenpins
//
//--------------------Data 0--------------------------------------
#define  _6963_D0_OUT   sbi (_6963_D0_DDR, _6963_D0_P)   	// Ausgang
#define  _6963_D0_IN    cbi (_6963_D0_DDR, _6963_D0_P)   	// Eingang
#define  _6963_D0_H     sbi (_6963_D0_PORT, _6963_D0_P)  	//WR -> H, PortC Pin2 setzen
#define  _6963_D0_L     cbi (_6963_D0_PORT, _6963_D0_P)  	//WR -> L, PortC Pin2 löschen
#define  _6963_D0_D     bit_is_set(_6963_D0_PIN, _6963_D0_P)  	// PortPin abfragen
//--------------------Data 1--------------------------------------
#define  _6963_D1_OUT   sbi (_6963_D1_DDR, _6963_D1_P)   // Ausgang
#define  _6963_D1_IN    cbi (_6963_D1_DDR, _6963_D1_P)   // Eingang -> Daten lesen
#define  _6963_D1_H     sbi (_6963_D1_PORT, _6963_D1_P)  //WR -> H, PortC Pin1 setzen
#define  _6963_D1_L     cbi (_6963_D1_PORT, _6963_D1_P)  //WR -> L, PortC Pin1 löschen
#define  _6963_D1_D     bit_is_set(_6963_D1_PIN, _6963_D1_P)
//--------------------Data 2--------------------------------------
#define  _6963_D2_OUT   sbi (_6963_D2_DDR, _6963_D2_P)   // Ausgang
#define  _6963_D2_IN    cbi (_6963_D2_DDR, _6963_D2_P)   // Eingang-> Daten lesen
#define  _6963_D2_H     sbi (_6963_D2_PORT, _6963_D2_P)  //WR -> H, PortC Pin0 setzen
#define  _6963_D2_L     cbi (_6963_D2_PORT, _6963_D2_P)  //WR -> L, PortC Pin0 löschen
#define  _6963_D2_D     bit_is_set(_6963_D2_PIN, _6963_D2_P)
//----------------------------------------------------------

// Portpins für Daten auf Eingabe
void _6963_DATA_input (void)
{
  _6963_D0_IN;     //6963 Data0
  _6963_D1_IN;     //6963 Data1
  _6963_D2_IN;     //6963 Data2
};
//----------------------------------------------------------
// Portpins für Daten auf Ausgabe
void _6963_DATA_output (void)
{
  _6963_D0_OUT;     //6963 Data0
  _6963_D1_OUT;     //6963 Data1
  _6963_D2_OUT;     //6963 Data2
};
//----------------------------------------------------------

// Pins müssen zuvor als Ausgang geschaltet sein
void _6963_write_DATA (unsigned int DATA)
{
  if ((DATA & 0x01)== 0x01) {_6963_D0_H;}  else {_6963_D0_L;};
  if ((DATA & 0x02)== 0x02) {_6963_D1_H;}  else {_6963_D1_L;};
  if ((DATA & 0x04)== 0x04) {_6963_D2_H;}  else {_6963_D2_L;};
};
//-----------------------------------------------------------

// Pins müssen zuvor als Eingang geschaltet sein --> _6963_DATA_input
unsigned int _6963_read_DATA (void)
{
  unsigned int data;
  if (_6963_D0_D) {data = data +1;};
  if (_6963_D1_D) {data = data +2;};
  if (_6963_D2_D) {data = data +4;};
  return(data);
};  
//-----------------------------------------------------------