receiver.h

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//receiver.h
//
// Project Red 2002: High Performance OFDM Modem 
// Against Channel Imperfections
// Auther: Linus Falk

#ifndef RECEIVER
#define RECEIVER

#define ENERGY_DETECTION_LENGTH	16
#define PREFIX_LENGTH 32			//LENGTH OF PREFIX
#define PREFIX_PER_BUFFER		9	//NUMBER OF PREFIX THAT CAN FIT IN THE SAMPLE_BUFFER
#define NR_OF_COMPLEX_SAMPLES	PREFIX_LENGTH*PREFIX_PER_BUFFER //NUMBER OF COMPLEX short SAMPLES, Re = RIGHT, Im = LEFT
#define SAMPLE_BUFFER_LENGTH	2*NR_OF_COMPLEX_SAMPLES //NUMBER OF short SAMPLES, Re and Im -> *2
extern volatile short frame1[SAMPLE_BUFFER_LENGTH];
extern volatile short frame2[SAMPLE_BUFFER_LENGTH];
extern volatile short *current_frame;

#endif