main.h

一个具有很强通用性的在C6713上运行的源程序。

//#ifndef _main.h
//#define _main.h
//#endif

#define BUFFSIZE 2048
#define DM_FRAMELENGTH BUFFSIZE
//#define FrameLength BUFFSIZE/2

// BEGIN: the following alloc 20K heap 
extern short Fore[BUFFSIZE/2];
extern short Back[BUFFSIZE/2];
extern short result_nf[BUFFSIZE/2];
extern short result_back[BUFFSIZE/2];
//extern short br_index[BUFFSIZE/2];
// init FFT
extern short Pri_short[BUFFSIZE/2];
extern short Ref_short[BUFFSIZE/2];
extern float hanwin[BUFFSIZE/2];
// The "+4" is a little trick to save Y and U.
extern float Pri_complex_dsp[ BUFFSIZE + 4];
extern float Ref_complex_dsp[ BUFFSIZE + 4];
//extern float w_fft[BUFFSIZE/2];
// overlap
extern float overlap_buffer[BUFFSIZE/2];