jens
e4afd465e2
git-svn-id: http://moon:8086/svn/software/trunk/libsrc/radio@10 b431acfa-c32f-4a4a-93f1-934dc6c82436
159 lines
4.6 KiB
C
Executable File
159 lines
4.6 KiB
C
Executable File
// --------------------------------------------------------------
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#ifndef INTERPOLATION_H
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#define INTERPOLATION_H
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#include "radio_types.h"
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#include "real.h"
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#include "cpx.h"
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#include <fir/fir2.h>
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#include "ringbuf.h"
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#include "synchronization.h"
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// --------------------------------------------------------------
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#define CEF_MODE_NOP 0
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#define CEF_MODE_CMA 1
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#define CEF_MODE_DD 2
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#define CEF_MODE_EQ_UPD 3
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// --------------------------------------------------------------
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// Types
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// --------------------------------------------------------------
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typedef struct _fir_cpx_t
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{
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uint32_t N, r, w;
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cpx_t *pX;
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uint32_t M_up, M_down;
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sample_clock_t clockUp;
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sample_clock_t clockDown;
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} fir_cpx_t;
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typedef struct _fir_cpx_multirate_stage_t
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{
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uint32_t N;
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uint32_t k;
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uint32_t K;
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cpx_t *pX;
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radio_float_t *pW;
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} fir_cpx_multirate_stage_t;
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typedef struct _fir_cpx_multirate_t
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{
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uint32_t N;
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uint32_t L;
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uint32_t M;
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fir_cpx_multirate_stage_t *pStageUp;
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fir_cpx_multirate_stage_t *pStageDown;
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cpx_t res;
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uint32_t k;
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} fir_cpx_multirate_t;
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typedef struct _fdly_t
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{
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int32_t Nf;
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radio_float_t *hf, *statef;
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} fdly_t;
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typedef struct _lgip_t
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{
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int32_t N, bufsize;
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rbuf_t rbuf;
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} lgip_t;
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typedef struct _lgip_cpx_t
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{
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cpx_t *pFifo;
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uint32_t N, L, w, r;
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} lgip_cpx_t;
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typedef struct _fir_pp_t
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{
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uint32_t N, M;
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radio_float_t **ppCoeff, *pState;
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} fir_pp_t;
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typedef struct _ppip_t
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{
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radio_float_t **ppCoeff, *pState;
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uint32_t N, M;
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rbuf_t rbuf;
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} ppip_t;
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typedef struct _ppip_cpx_t
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{
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cpx_t *pFifo;
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radio_float_t **ppCoeff;
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uint32_t N, L, M, w, r;
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cpx_t *pX;
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} ppip_cpx_t;
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typedef struct _ppip_farrow_cpx_t
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{
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cpx_t *pFifo, *pH, *pB;
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radio_float_t **ppCoeff;
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uint32_t N, L, M, w, r;
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cpx_t *pX;
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} ppip_farrow_cpx_t;
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// --------------------------------------------------------------
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// Functions
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// --------------------------------------------------------------
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#ifdef __cplusplus
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extern "C" {
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#endif
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void FDly_Init(fdly_t *pObj, int32_t order);
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void FDly_Free(fdly_t *pObj);
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void FDly_CalcCoeff(fdly_t *pObj, radio_float_t delay);
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radio_float_t FDly_Process(fdly_t *pObj, radio_float_t x);
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void LGIpInit(lgip_t *pObj, int32_t order, int32_t bufsize);
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void LGIpFree(lgip_t *pObj);
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radio_float_t LGIpProcess(lgip_t *pObj, radio_float_t x, int32_t m, radio_float_t mu);
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void LGCpxIpInit(lgip_cpx_t *pObj, int32_t order);
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void LGCpxIpFree(lgip_cpx_t *pObj);
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cpx_t LGCpxIpProcess(lgip_cpx_t *pObj, cpx_t x, int32_t m, radio_float_t mu);
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radio_float_t PolyPhaseSRRCInit(fir_pp_t *pObj, radio_float_t fa, radio_float_t tsym, radio_float_t alpha, uint32_t N, uint32_t M);
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void PolyPhaseSRRCFree(fir_pp_t *pObj);
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uint32_t PolyPhaseSRRCProcess(fir_pp_t *pObj, radio_float_t mu, radio_float_t *pX, radio_float_t *pY, uint32_t len);
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radio_float_t PolyPhaseIpInit(ppip_t *pObj, radio_float_t fa, radio_float_t tsym, radio_float_t alpha, uint32_t N, uint32_t M);
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void PolyPhaseIpFree(ppip_t *pObj);
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radio_float_t PolyPhaseIpProcess(ppip_t *pObj, radio_float_t x, int32_t m, radio_float_t mu);
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radio_float_t PolyPhaseCpxIpInit(ppip_cpx_t *pObj, radio_float_t fa, radio_float_t tsym, radio_float_t alpha, uint32_t N, uint32_t M);
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void PolyPhaseCpxIpFree(ppip_cpx_t *pObj);
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void PolyPhaseCpxIpFeed(ppip_cpx_t *pObj, uint32_t push, cpx_t x);
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cpx_t PolyPhaseCpxIpInterpolate(ppip_cpx_t *pObj, int32_t pop, radio_float_t mu);
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void FarrowPPIPCpxInit(ppip_farrow_cpx_t *pObj, uint32_t M, uint32_t N);
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void FarrowPPIPCpxFree(ppip_farrow_cpx_t *pObj);
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void FarrowPPIPCpxFeed(ppip_farrow_cpx_t *pObj, uint32_t push, cpx_t x);
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cpx_t FarrowPPIPCpxInterpolate(ppip_farrow_cpx_t *pObj, uint32_t pop, radio_float_t mu);
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void FirCpxInit(fir_cpx_t *pObj, uint32_t N, uint32_t M_up, uint32_t M_down);
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void FirCpxFree(fir_cpx_t *pObj);
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uint32_t FirCpxProcessReal(fir_cpx_t *pObj, radio_float_t *pW, cpx_t *pSrc, cpx_t *pDst, uint32_t len);
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void FirCpxMultirateDownInit(fir_cpx_multirate_t *pObj, radio_float_t *pW, uint32_t N, uint32_t M);
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void FirCpxMultirateUpInit(fir_cpx_multirate_t *pObj, radio_float_t *pW, uint32_t N, uint32_t L);
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void FirCpxMultirateUpReinit(fir_cpx_multirate_t *pObj, radio_float_t *pW, uint32_t N, uint32_t L);
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void FirCpxMultirateFree(fir_cpx_multirate_t *pObj);
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uint32_t FirCpxDownProcess(fir_cpx_multirate_t *pObj, cpx_t *pSrc, cpx_t *pDst, uint32_t len);
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uint32_t FirCpxUpProcess(fir_cpx_multirate_t *pObj, cpx_t *pSrc, cpx_t *pDst, uint32_t len);
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#ifdef __cplusplus
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}
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#endif
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// --------------------------------------------------------------
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#endif // INTERPOLATION_H
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