#include??
#include??
#include?“misc.h“?
#include?“real_fft.h“?

static?__inline__?int32_t?fmuls16（int16_t?mulcd?int16_t?muler）;?
static?__inline__?int16_t?magnitude（int16_t?q?int16_t?i）;?

#if?SEQ_NUM?==?64?
uint16_t?wd_tab[]?PROGMEM?=?
{?
????????0813247271286199528463833494461687494890910398119461353815159?
????????16792184212002921602231222457525947272242839429444303643114531779322613258432747?
????????32747325843226131779311453036429444283942722425947245752312221602200291842116792?
????????1515913538119461039889097494616849443833284619951286727324810?
};?

uint8_t?rsv_idx[]?PROGMEM?=??
{?
????????0132331617484989404124255657?
????????453637202152531213444528296061?
????????233435181950511011424326275859?
????????673839222354551415464730316263?
};?

//?exp（-i*2*pi*n/SEG_NUM）??n?=?0:SEG_NUM/2-1?
int16_t?cos_sin_tab[]?PROGMEM?=??
{?
????????3276703261032113213863923135795123027312539288981544627245182042532920787?
????????23170231702078725329182042724515446288981253930273951231357639232138321132610?
????????032767-321132610-639232138-951231357-1253930273-1544628898-1820427245-2078725329?
????????-2317023170-2532920787-2724518204-2889815446-3027312539-313579512-321386392-326103211?
};?
#endif?

#if?SEQ_NUM?==?128?
uint16_t?wd_tab[]?PROGMEM?=?
{?
????????0208018031949871697212661597196423662803327337754308?
????????487054616078672073878075878395101025411013117851256913361141611496715776?
????????16586173961820419007198032059121369221352288723622243402503925716263712700127605?
????????28182287292924729733301863060630991313403165231928321653236332522326423272232762?
????????32762327223264232522323633216531928316523134030991306063018629733292472872928182?
????????27605270012637125716250392434023622228872213521369205911980319007182041739616586?
????????157761496714161133611256911785110131025495108783807573876720607854614870?
????????4308377532732803236619641597126697271649831918080200?
};?
uint8_t?rsv_idx[]?PROGMEM?=?
{?
????????01646532339697161780814849112113?
????????8972734041104105242588895657120121?
????????4568693637100101202184855253116117?
????????121376774445108109282992936061124125?
????????23666734359899181982835051114115?
????????101174754243106107262790915859122123?
????????6770713839102103222386875455118119?
????????141578794647110111303194956263126127?
};?
int16_t?cos_sin_tab[]?PROGMEM?=??
{?
????????3276703272816073261032113241348083213863923178579613135795123085211039?
????????30273125392

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----

?????文件??????25273??2009-07-24?11:49??ATmega16_fft.c

-----------?---------??----------?-----??----

????????????????25273????????????????????1