#include "extcode.h"
//#include "hosttype.h"


#ifndef _NULLER_
#define _NULLER_

									// Quick testing of ControlWord values
#define	CW_START				  1		// Starts transmitting waveforms
#define	CW_BASE		( CW_START << 1 )	// Takes a base station measurement
#define CW_REMOTE	( CW_BASE  << 1 )	// Takes a remote station measurement
#define CW_TXONLY	( CW_REMOTE<< 1 )	// Implements passed waveforms, no nulling performed
#define CW_RESET	( CW_TXONLY<< 1 )	// Sets all active waveforms to zero
#define CW_ON		( CW_RESET << 1 )	// Turns the sound system on
#define CW_OFF		( CW_ON    << 1 )	// Turns the sound system off
#define ALLOW_OPS	( ((CW_OFF << 1) - 1) ^ CW_ON )


typedef struct {

	union {

		int16	ControlWord;		// The control word contains is bit packed with meanings below...

		struct  {
			unsigned	start:	1;	// Start the system up... Ramp TX and REF w active nulling
			unsigned	base:	1;	// Take a base station measurement
			unsigned	remote:	1;	// Take a remote station measurement
			unsigned	TXonly:	1;	// Transmit the given waveforms on TX, REF, & CAL, no nulling
			unsigned	reset:	1;	// Reset all waveforms to zero
			unsigned	sndON:	1;	// Turn sound system ON
			unsigned	sndOFF:	1;	// Turn sound system OFF
		};

	};
	float32	GThreshold;				// Limit at which Transfer functions are no longer ID'd
	float32	NullThreshold;			// Limit at which mult-pass nulling will stop
	int8	StopCount;				// Iteration limit for multi-pass nulling

} CONTROL;


typedef struct {					// Contains a list of frequencies 1 - 65536hz.

	int32	numFreqs;
	uInt16	Freqs[1];

} FREQLIST;
typedef FREQLIST **hFREQLIST;


typedef struct {					// Contains a list of complex #'s, the component of each frequency

	int32	LstLen;
	cmplx64	cxVal[1];

} CPLXLIST;
typedef CPLXLIST **hCPLXLIST;


typedef struct {					// A list of "tones" for each waveform to be generated

	hFREQLIST	freqLIST;
	hCPLXLIST	cxLIST;

} TONELIST;


typedef struct {					// Tells us how to ramp the system at start up

	int32	numSteps;
	float32 Steps[1];

} STEPLIST;
typedef STEPLIST **hSTEPLIST;


typedef struct {					// Contains a real time waveform

	int32	NumPts;
	float32 wave[1];

} RTWAVE;
typedef RTWAVE **hRTWAVE;


typedef struct {					// Contains a list of FFT bins

	int32	LstLen;
	uInt16	Bins[1];

} FFTBINS;
typedef FFTBINS **hFFTBINS;


#endif