fft_dp_1d_r2c.h
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00001 /* ======================================================================= */
00002 /*  TEXAS INSTRUMENTS, INC.                                                */
00003 /*                                                                         */
00004 /*  FFTLIB  FFT Library                                                    */
00005 /*                                                                         */
00006 /* Copyright (C) 2013 Texas Instruments Incorporated - http://www.ti.com/  */ 
00007 /*                                                                         */
00008 /*                                                                         */
00009 /*  Redistribution and use in source and binary forms, with or without     */
00010 /*  modification, are permitted provided that the following conditions     */
00011 /*  are met:                                                               */
00012 /*                                                                         */
00013 /*    Redistributions of source code must retain the above copyright       */
00014 /*    notice, this list of conditions and the following disclaimer.        */
00015 /*                                                                         */
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00019 /*    distribution.                                                        */
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00021 /*    Neither the name of Texas Instruments Incorporated nor the names of  */
00022 /*    its contributors may be used to endorse or promote products derived  */
00023 /*    from this software without specific prior written permission.        */
00024 /*                                                                         */
00025 /*  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS    */
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00036 /*                                                                         */
00037 /* ======================================================================= */
00038 
00039 #include <ti/fftlib/src/common/fft_common.h>
00040 
00041 #ifndef FFT_DP_1D_R2C_H_
00042 #define FFT_DP_1D_R2C_H_ 1
00043 
00045 /* @{ */
00046 
00049 /* @{ */
00050 
00051 #define FFT_DP_1D_R2C_4STEP_MIN_SIZE  (   4*1024)
00052 #define FFT_DP_1D_R2C_4STEP_MAX_SIZE  (1024*1024)
00053 
00058 #define FFT_DP_1D_R2C_NUMOFLINEBUFS 2
00059 
00066 /* FFT plan 1D DP API */
00067 fft_plan_t fft_dp_plan_1d_r2c (
00068     int   N,        /* FFT size */
00069     int   mode,     /* FFT_DIRECT or FFT_ECPY */
00070     fft_callout_t fxns
00071 );
00072 
00104 /* FFT execute 1D DP direct mode API */
00105 int fft_dp_1d_r2c_direct (
00106     /* int     N;       FFT size         */
00107     /* double *in;      input pointer    */
00108     /* double *out;     output pointer   */
00109     /* double *tw;      twiddle pointer  */
00110     fft_param_u u,
00111     void  *edmaState
00112 );
00113 
00150 /* FFT execute 1D DP ecpy mode API */
00151 int fft_dp_1d_r2c_ecpy (
00152     /* int     N;       FFT size                         */
00153     /* double *data;    data pointer                     */
00154     /* double *work;    working buffer pointer           */
00155     /* double *data_w;  data internal pointer            */
00156     /* double *work_w;  working buffer internal pointer  */
00157     /* double *tw;      twiddle pointer                  */
00158     /* double *tw_w;    twiddle internal pointer         */
00159     fft_param_u u,
00160     void *edmaState
00161 );
00162  
00198 /* FFT execute 1D DP 4-step ecpy mode API */
00199 int fft_dp_1d_r2c_4step_ecpy (
00200     /* int     N;       FFT size                         */
00201     /* int     n1;      stage1 FFT size                  */
00202     /* int     n2;      stage2 FFT size                  */
00203     /* double *data;    data pointer                     */
00204     /* double *work;    working buffer pointer           */
00205     /* double *data_w;  data internal pointer            */
00206     /* double *work_w;  working buffer internal pointer  */
00207     /* double *tw;      twiddle pointer                  */
00208     /* double *tw_w;    twiddle internal pointer         */
00209     fft_param_u u,
00210     void *edmaState
00211 );
00212 
00213  /* }@ */ /* ingroup */
00214  /* }@ */ /* ingroup */
00215  
00216 #endif /* FFT_DP_1D_R2C_H_ */
00217 
00218 /* ======================================================================== */
00219 /*  End of file:  fft_dp_1d_r2c.h                                           */
00220 /* ------------------------------------------------------------------------ */
00221 /*            Copyright (c) 2013 Texas Instruments, Incorporated.           */
00222 /*                           All Rights Reserved.                           */
00223 /* ======================================================================== */
00224 
00225 

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