#ifndef PSK31_FFT_H_INCLUDED
#define PSK31_FFT_H_INCLUDED
#include "stdio.h"
#include "hansis_fft.h"

class psk31_fft {
public:
	static const int MODE_RXDATA=0;
	static const int MODE_NARROWIF=1;
	void set_parameters(int len, int _overlap, int _mode);
	void get_parameters(int *len, int *over, int *mode);
	void add_rx_sample(int sample);
	void add_if_sample(float I, float Q);
	int has_new_data();
	int get_abs_data(float *data, int start, int len, int delta);
	psk31_fft() {
		rxdata = NULL;
		Idata = Qdata = NULL;
		fft = NULL;
		window = NULL;
		N = valid_counter=-1;
	}
private:
	inline float sqr(float x) {
		return x * x;
	}
	int N;
	int overlap;
	int mode;
	int *rxdata;
	float *Idata, *Qdata;
	int cnt;
	int valid_counter;
	FFTer *fft;
	float *window;
};
#endif