jens
290fd5f5e0
git-svn-id: http://moon:8086/svn/software/trunk/libsrc/radio@1 b431acfa-c32f-4a4a-93f1-934dc6c82436
58 lines
2.1 KiB
C
Executable File
58 lines
2.1 KiB
C
Executable File
// --------------------------------------------------------------
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#ifndef NCO_H
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#define NCO_H
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#include <stdint.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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// --------------------------------------------------------------
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// Types
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// --------------------------------------------------------------
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typedef struct _nco_t
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{
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radio_float_t phi, omega;
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cpx_t state;
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} nco_t;
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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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// --------------------------------------------------------------
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// NCO
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// --------------------------------------------------------------
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// Scalar version
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void NCO_Init(nco_t *pObj, radio_float_t omega, radio_float_t phi);
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void NCO_Free(nco_t *pObj);
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void NCO_Reinit(nco_t *pObj, radio_float_t omega, radio_float_t phi);
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void NCO_SetOmega(nco_t *pObj, radio_float_t omega);
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void NCO_SetPhi(nco_t *pObj, radio_float_t phi);
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radio_float_t NCO_GetOmega(nco_t *pObj);
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radio_float_t NCO_GetPhi(nco_t *pObj);
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void NCO_Process(nco_t *pObj, radio_float_t dOmega, radio_float_t dPhi);
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// --------------------------------------------------------------
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// Mixer
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// Scalar version
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// --------------------------------------------------------------
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cpx_t NCO_MixRealComplexS(nco_t *pObj, radio_float_t src, radio_float_t gain);
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cpx_t NCO_MixComplexS(nco_t *pObj, cpx_t src, cpx_t gain);
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radio_float_t NCO_MixComplexRealS(nco_t *pObj, cpx_t src, cpx_t gain);
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// --------------------------------------------------------------
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// Mixer
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// Vector version
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// --------------------------------------------------------------
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void NCO_MixRealComplexV(nco_t *pObj, cpx_t *pDst, radio_float_t *pSrc, radio_float_t gain, uint32_t len);
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void NCO_MixComplexV(nco_t *pObj, cpx_t *pSrcDst, cpx_t gain, uint32_t len);
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void NCO_MixComplexRealV(nco_t *pObj, radio_float_t *pDst, cpx_t *pSrc, cpx_t gain, uint32_t len);
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// --------------------------------------------------------------
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#ifdef __cplusplus
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}
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#endif // __cplusplus
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// --------------------------------------------------------------
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#endif // NCO_H
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