// HEAD.H - File for Header definition

#ifndef HEAD_H

#define HEAD_H

#include <dos.h>
#include "defines.h"
// #include "utils.h"
			// Header for external driving - HEADLEN bytes
typedef struct {
	unsigned short	id;	// Head identificator
	unsigned short	sync;	// Syncronise word	???
	unsigned short	hdlen;	// Head length in byte
	unsigned short	dtlen;	// Data length in byte
	unsigned short	ncmd;	// Command code
	unsigned char	nch;	// Number of channel
			// In this pointer - 11 bytes ! (5*2+1)
			// !!! Reserved for futhure use !!!
	unsigned char	misc[HEADLEN-11];
} HeadExt;
			// Internal Header - HEADLEN bytes
typedef struct {
	unsigned int	id;	// Head identificator
	unsigned char	sync;	// Syncronise byte	???
	unsigned int	hdlen;	// Head length in byte
	unsigned int	dtlen;	// Data length in byte
	int		nch;	// Number of channel
	int		freq;	// Sampes per second
	Time		int_t;	// Internal time structure
	Date		int_d;	// Internal date structure
	Time		rtc_t;	// Real time clock time structure
	Date		rtc_d;	// Real time clock date structure
	Time		gps_t;	// GPS clock time structure
	Date		gps_d;	// GPS clock date structure
	unsigned int	gps_st;	// GPS status
	unsigned char	glfl;	// Gain number of channel GainLowFreqLow
	unsigned char	ghfl;	// Gain number of channel GainHigFreqLow
	unsigned char	glfh;	// Gain number of channel GainLowFreqHig
	unsigned char	ghfh;	// Gain number of channel GainHigFreqHig
			// In this pointer - 47 bytes ! (11+3*6+3*4+6)
			// !!! Reserved for futhure use !!!
//old	unsigned char	misc[HEADLEN-47];
	unsigned char	misc[HEADLEN-47-5]; // SyncrData to end of structure
					    // because aplifier coeff.
					    // may be expanded !
	unsigned char sncRegim;
	int           sncShift;
	unsigned int  sncCounter;
} Header;
			// Record Header - HEADREC bytes
typedef struct {
	unsigned short label[4];// Head identify - 0xAAAA, 0xAAAA, ...
	short i_d,i_mo,i_y;	// Internal date
	short i_h,i_mi,i_s;     // Internal time
	short i_ms;		// Internal time
	short St;		// Stations presents word - in bits !!!
	short hdsz;		// Header size in bytes <=> HEADREC
	short Ncomp;		// Number of conponent in station
	short freq;		// Frequency - Sample per second
	unsigned long offs;	// Data block length
	short d_d,d_mo,d_y;	// DOS(RealTimeClock) date
	short d_h,d_mi,d_s;     // DOS(RTC) time
	short e_d,e_mo,e_y;	// External date
	short e_h,e_mi,e_s;     // External time
	short nch;		// Number of channel in station <=> NCHANNEL
				// In this pointer - 60 bytes !
	unsigned char gain[NCHANNEL];	// Gain for channel
	float lat, lon;		// Station coordinate
	short alt;		// --''--
	char Name[4];		// Station name
	char ch[NCHANNEL];	// Physical Number of channel
				// In this pointer - 88 bytes !
	short secInBlock;
				// In this pointer - 90 bytes !
			// !!! Reserved for futhure use !!!
	unsigned char	misc[HEADREC-108];
//??	unsigned char	misc[HEADREC-90];
//??	unsigned char	misc[HEADREC-88];
} Head_rec;

#endif
//