#include <avr/io.h>
#include <avr/interrupt.h>
#include <avr/signal.h>
#include <avr/delay.h>
#include <avr/twi.h>
#include <avr/pgmspace.h>
#include <avr/eeprom.h>

#include <inttypes.h>
#include <stdlib.h> /*für exit*/
#include <stdio.h>
#include <math.h>


#ifndef ___GLOBAL_H
#define ___GLOBAL_H


//Attention:
//Some of these definitions are only for
//used board with a freq. of 16, 14,7456, 11,0592 Mhz external,
//or 1, 2, 4, or 8 Mhz internal clock.

// 16 Mhz ext. Tact
// 1 CPU Clock = 0,0000000625 Sec.
// 1   Microsec  = 16  clocks
// 100 Microsecs = 1.600 clocks
// 1   Millisec  = 16.000 clocks

// 14,745600 Mhz ext. Tact
// 1 CPU Clock = 0,00000006781684 Sec.
// 1   Microsec  = 14,7456  clocks
// 100 Microsecs = 1.474,56 clocks
// 1   Millisec  = 14.745,6 clocks

// 11,0592 Mhz ext. Tact
// 1 CPU Clock = 0,000000090422453703704 Sec.
// 1   Microsec  = 11,0592  clocks
// 100 Microsecs = 1.105,92 clocks
// 1   Millisec  = 11.0592,2 clocks

// 8 Mhz int./ext. Tact
// 1 CPU Clock = 0,000000125 Sec.
// 1   Microsec  = 8  clocks
// 100 Microsecs = 800 clocks
// 1   Millisec  = 8000 clocks

// 4 Mhz int./ext. Tact
// 1 CPU Clock = 0,00000025 Sec.
// 1   Microsec  = 4  clocks
// 100 Microsecs = 400 clocks
// 1   Millisec  = 4000 clocks

// 2 Mhz int./ext. Tact
// 1 CPU Clock = 0,0000005 Sec.
// 1   Microsec  = 2  clocks
// 100 Microsecs = 200 clocks
// 1   Millisec  = 2000 clocks

// 1 Mhz int./ext. Tact
// 1 CPU Clock = 0,000001 Sec.
// 1   Microsec  = 1  clocks
// 100 Microsecs = 100 clocks
// 1   Millisec  = 1000 clocks


#ifdef FCPU1
#define F_CPU				1000000UL	   /* 1,0 Mhz norm. internal*/
#endif
#ifdef FCPU2
#define F_CPU				2000000UL	   /* 2,0 Mhz norm. internal*/
#endif
#ifdef FCPU4
#define F_CPU				4000000UL	   /* 4,0 Mhz norm. internal*/
#endif
#ifdef FCPU8
#define F_CPU				8000000UL	   /* 8,0 Mhz norm. internal*/
#endif
#ifdef FCPU11
#define F_CPU				11059200L	   /* 11,0592 Mhz external quarz*/
#endif
#ifdef FCPU14
#define F_CPU 				14745600UL     /* 14,7456Mhz external quarz*/
#endif
#ifdef FCPU16
#define F_CPU				16000000UL	   /* 16,0 Mhz external quazr*/
#endif

#ifndef F_CPU
#define F_CPU				1000000UL
#define FCPU1
#endif




#define EEPROM_SIZE 		(E2END+1)

//this uses one CPU Clock
#define NOP 			asm volatile ("nop" ::)






//usefull delays for io-operations
//( black/green lcd with KS0070B controller
//(HD44780 compatible)
//avoids a minimum enable pulse width of 220 ns )
//is this does not func, use a value near 300ns instead.

#ifdef FCPU1
//exactly 1000 ns
#define DELAY1us        { NOP;}
#endif

#ifdef FCPU2
//exactly 500 ns
#define DELAY500ns      { NOP;}
//exactly 1000 ns
#define DELAY1us        { NOP;NOP;}
#endif

#ifdef FCPU4
//exactly 250 ns
#define DELAY250ns      { NOP;}
//exactly 500 ns
#define DELAY500ns      { NOP;NOP;}
//exactly 1000 ns
#define DELAY1us        { NOP;NOP;NOP;NOP;}
#endif

#ifdef FCPU8
//exactly 250 ns
#define DELAY250ns      { NOP;NOP;}
//exactly 375 ns
#define DELAY375ns      { NOP;NOP;NOP;}
//exactly 500 ns
#define DELAY500ns      { NOP;NOP;NOP;NOP;}
//exactly 875 ns
#define DELAY875ns      { NOP;NOP;NOP;NOP;NOP;NOP;NOP;}
//exactly 1000 ns
#define DELAY1us        { NOP;NOP;NOP;NOP;NOP;NOP;NOP;NOP;}
#endif

#ifdef FCPU11
//exactly 271,267361111.... ns
#define DELAY271ns      { NOP;NOP;NOP;}
//exactly 361,6898148148... ns
#define DELAY361ns      { NOP;NOP;NOP;NOP;}
//exactly 542,53472222222.. ns
#define DELAY542ns      { NOP;NOP;NOP;NOP;NOP;NOP;}
//exactly 994,64699074074.. ns
#define DELAY994ns      { NOP;NOP;NOP;NOP;NOP;NOP;NOP;NOP;NOP;NOP;NOP;}
//exactly 1085,0694444444.. ns
#define DELAY1us        { NOP;NOP;NOP;NOP;NOP;NOP;NOP;NOP;NOP;NOP;NOP;NOP;}
#endif


#ifdef FCPU14
//exactly 271,26736 ns
#define DELAY271ns      { NOP;NOP;NOP;NOP;}
//exactly 339,0842 ns
#define DELAY339ns      { NOP;NOP;NOP;NOP;NOP;}
//exactly 542,53472 ns
#define DELAY542ns      { NOP;NOP;NOP;NOP;NOP;NOP;NOP;NOP;}
//exactly 949,43576 ns
#define DELAY949ns      { NOP;NOP;NOP;NOP;NOP;NOP;NOP;NOP;NOP;NOP;NOP;NOP;NOP;NOP;}
//exactly 1017,2526 ns
#define DELAY1us        { NOP;NOP;NOP;NOP;NOP;NOP;NOP;NOP;NOP;NOP;NOP;NOP;NOP;NOP;NOP;}
#endif


#ifdef FCPU16
//exactly 250 ns
#define DELAY250ns      { NOP;NOP;NOP;NOP;}
//exactly 375 ns
#define DELAY375ns      { NOP;NOP;NOP;NOP;NOP;NOP;}
//exactly 875 ns
#define DELAY500ns      { NOP;NOP;NOP;NOP;NOP;NOP;NOP;NOP;}
//exactly 937,5 ns
#define DELAY937ns      { NOP;NOP;NOP;NOP;NOP;NOP;NOP;NOP;NOP;NOP;NOP;NOP;NOP;NOP;NOP;}
//exactly 1000 ns
#define DELAY1us        { NOP;NOP;NOP;NOP;NOP;NOP;NOP;NOP;NOP;NOP;NOP;NOP;NOP;NOP;NOP;NOP;}

#define LCD
#endif





typedef unsigned char  BYTE;
typedef unsigned short WORD;
typedef unsigned long  DWORD;

typedef unsigned short  USHORT;
typedef unsigned char   BOOL;

typedef unsigned char  UCHAR;
typedef unsigned int   UINT;
typedef unsigned long  ULONG;

typedef char  CHAR;
typedef int   INT;
typedef long  LONG;

#define  BCD8  unsigned char
#define  BCD16 unsigned int

#ifndef  NULL
#define  NULL  0
#endif


#endif