jens
0179c510fe
git-svn-id: http://moon:8086/svn/software/trunk/libsrc/fir@1 b431acfa-c32f-4a4a-93f1-934dc6c82436
38 lines
1.0 KiB
C
Executable File
38 lines
1.0 KiB
C
Executable File
/******************************************************************************/
|
|
/* iir.h
|
|
/******************************************************************************/
|
|
#ifndef FIR_H
|
|
#define FIR_H
|
|
|
|
#define pi 3.1415926535897932384626433832795
|
|
|
|
|
|
#if defined(__cplusplus)
|
|
extern "C" {
|
|
#endif
|
|
/******************************************************************************/
|
|
|
|
typedef struct _sFIRCoeff
|
|
{
|
|
|
|
float *pB;
|
|
float *pX;
|
|
|
|
}FIRCOEFF;
|
|
|
|
void Sinc(float *pY, int M, float s, float f, int len);
|
|
|
|
/******************************************************************************/
|
|
void FIRCalcDCRemovalCoeff(struct _sFIRCoeff *pCoeff, int N);
|
|
void FIR(struct _sFIRCoeff *pCoeff, float *xn, float *yn, int order, int len);
|
|
void FIRInit(struct _sFIRCoeff *pCoeff, float *pB, int order);
|
|
void FIRAlloc(struct _sFIRCoeff *pCoeff, int order);
|
|
void FIRFree(struct _sFIRCoeff *pCoeff);
|
|
|
|
/******************************************************************************/
|
|
#if defined(__cplusplus)
|
|
}
|
|
#endif
|
|
|
|
#endif /* FIR_H */
|