dogm2.c

#include <avr/io.h>          

#include <stdint.h>

#define F_CPU 8000000L

#include <util/delay.h>

//Werte für Initalisierung

#define DISPOFF      0xAE

#define DISPON       0xAF

#define DISPSTART    0x40

#define PAGEADR      0xB0

#define COLADRL      0x00

#define COLADRH      0x10

#define ADCNORMAL    0xA0

#define ADCREVERSE   0xA1

#define COMNORMAL    0xC0

#define COMREVERSE   0xC8

#define DISPNORMAL   0xA6

#define DISPREVERSE  0xA7

#define LCDBIAS9     0xA2

#define LCDBIAS7     0xA3

#define DisplayCLR   0xA4 //Alle Pixel aus

#define DisplayBLK   0xA5 //Alle Pixel an

#define RESET        0xE2

#define SETPOWERCTRL 0x28

#define REGRESISTOR  0x20

#define SETCONTRAST  0x81

#define STATINDMODE  0xAC

#define BOOSTERRATIO 0xF8

//------------------------------------------------------------------------------

// Portdefinitionen

//------------------------------------------------------------------------------

#define DOGPORT  PORTD

#define DOGCS    3  //Pin CS(Display) an PD3

#define DOGRES    4  //Pin RES(Display) an PD4

#define DOGA0    5  //Pin A0(Display) an PD5

#define DOGSCL    7  //Pin SCL(Display) an PD7

#define DOGSI    6  //Pin SI(Display) an PD6

//------------------------------------------------------------------------------

// Makrodefinitionen

//------------------------------------------------------------------------------

#define SetBit(adr, bnr)  ( (adr) |=  (1 << (bnr)) )

#define ClrBit(adr, bnr)  ( (adr) &= ~(1 << (bnr)) )

#define  DOGENABLE  ClrBit(DOGPORT, DOGCS)

#define  DOGDISABLE SetBit(DOGPORT, DOGCS)

#define  DOGCOMMAND ClrBit(DOGPORT, DOGA0)

#define  DOGDATA    SetBit(DOGPORT, DOGA0)

//-----------------------------------------------------------------------------------------

void dogSPIout(char out)//erzeugt takt und überträgt daten

{

  char msk;

  msk = 0x80;

  do

   { ClrBit(DOGPORT, DOGSCL);

     if(out & msk)

        SetBit(DOGPORT, DOGSI);

     else

        ClrBit(DOGPORT, DOGSI);

     SetBit(DOGPORT, DOGSCL);

     msk >>= 1;

   }

  while(msk > 0);

}

//-----------------------------------------------------------------------------------------

//------Initalisierung-----------------------------------------------------------------------------------

int main(void)

{

  //ResetDOG();

  DOGENABLE;

  DOGCOMMAND;

  dogSPIout(DISPSTART + 0);

  dogSPIout(ADCNORMAL);

  dogSPIout(COMREVERSE);

  dogSPIout(DISPNORMAL);

  dogSPIout(LCDBIAS9);

  dogSPIout(SETPOWERCTRL+7);

  dogSPIout(BOOSTERRATIO);     dogSPIout(0);

  dogSPIout(REGRESISTOR+7);

  dogSPIout(STATINDMODE);      dogSPIout(0);

  dogSPIout(DISPON);

  dogSPIout(DisplayBLK);//Alle Pixel ansteuern

  DOGDISABLE;

}

//-----------------------------------------------------------------------------------------

//-----------------------------------------------------------------------------------------

void ResetDOG(void)

{

  SetBit(DOGPORT,  DOGCS);

  SetBit(DOGPORT, DOGSCL);

  SetBit(DOGPORT,  DOGSI);

  SetBit(DOGPORT,  DOGA0);

  ClrBit(DOGPORT,  DOGRES);

  _delay_ms(50);

  SetBit(DOGPORT,  DOGRES);

  _delay_ms(1);

}

//-----------------------------------------------------------------------------------------