ifft_sp_1d_c2c.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 /*                                                                         */
00016 /*    Redistributions in binary form must reproduce the above copyright    */
00017 /*    notice, this list of conditions and the following disclaimer in the  */
00018 /*    documentation and/or other materials provided with the               */
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 IFFT_SP_1D_C2C_H_
00042 #define IFFT_SP_1D_C2C_H_ 1
00043 
00045 /* @{ */
00046 
00049 /* @{ */
00050 
00051 #define IFFT_SP_1D_C2C_4STEP_MIN_SIZE  (     4*1024)
00052 #define IFFT_SP_1D_C2C_4STEP_MAX_SIZE  (4*1024*1024)
00053 
00058 #define IFFT_SP_1D_C2C_NUMOFLINEBUFS 2
00059 
00066 /* IFFT plan 1D SP API */
00067 fft_plan_t ifft_sp_plan_1d_c2c (
00068     int   N,        /* IFFT size */
00069     int   mode,     /* FFT_DIRECT or FFT_ECPY */
00070     fft_callout_t fxns
00071 );
00072 
00105 /* IFFT execute 1D SP direct mode API */
00106 int ifft_sp_1d_c2c_direct (
00107     /* int   N;        IFFT size         */
00108     /* float *in;      input pointer    */
00109     /* float *out;     output pointer   */
00110     /* float *tw;      twiddle pointer  */
00111     fft_param_u u,
00112     void  *edmaState
00113 );
00114 
00115 
00153 /* IFFT execute 1D SP ecpy mode API */
00154 int ifft_sp_1d_c2c_ecpy (
00155     /* int   N;        IFFT size                        */
00156     /* int   n1;       stage1 IFFT size                 */
00157     /* int   n2;       stage2 IFFT size                 */
00158     /* float *data;    data pointer                     */
00159     /* float *work;    working buffer pointer           */
00160     /* float *data_w;  data internal pointer            */
00161     /* float *work_w;  working buffer internal pointer  */
00162     /* float *tw;      twiddle pointer                  */
00163     /* float *tw_w;    twiddle internal pointer         */
00164     fft_param_u u,
00165     void *edmaState
00166 );
00167  
00206 /* IFFT execute 1D SP 4-step ecpy mode API */
00207 int ifft_sp_1d_c2c_4step_ecpy (
00208     /* int   N;        IFFT size                        */
00209     /* int   n1;       stage1 IFFT size                 */
00210     /* int   n2;       stage2 IFFT size                 */
00211     /* float *data;    data pointer                     */
00212     /* float *work;    working buffer pointer           */
00213     /* float *data_w;  data internal pointer            */
00214     /* float *work_w;  working buffer internal pointer  */
00215     /* float *tw;      twiddle pointer                  */
00216     /* float *tw_w;    twiddle internal pointer         */
00217     fft_param_u u,
00218     void *edmaState
00219 );
00220 
00221 /* }@ */ /* ingroup */
00222  /* }@ */ /* ingroup */
00223  
00224 #endif /* IFFT_SP_1D_C2C_H_ */
00225 
00226 /* ======================================================================== */
00227 /*  End of file:  ifft_sp_1d_c2c.h                                          */
00228 /* ------------------------------------------------------------------------ */
00229 /*            Copyright (c) 2013 Texas Instruments, Incorporated.           */
00230 /*                           All Rights Reserved.                           */
00231 /* ======================================================================== */
00232 
00233 

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