00001 /*This file is prepared for Doxygen automatic documentation generation.*/ 00017 /* Copyright (c) 2009 Atmel Corporation. All rights reserved. 00018 * 00019 * Redistribution and use in source and binary forms, with or without 00020 * modification, are permitted provided that the following conditions are met: 00021 * 00022 * 1. Redistributions of source code must retain the above copyright notice, this 00023 * list of conditions and the following disclaimer. 00024 * 00025 * 2. Redistributions in binary form must reproduce the above copyright notice, 00026 * this list of conditions and the following disclaimer in the documentation 00027 * and/or other materials provided with the distribution. 00028 * 00029 * 3. The name of Atmel may not be used to endorse or promote products derived 00030 * from this software without specific prior written permission. 00031 * 00032 * 4. This software may only be redistributed and used in connection with an Atmel 00033 * AVR product. 00034 * 00035 * THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR IMPLIED 00036 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 00037 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE 00038 * EXPRESSLY AND SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR 00039 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 00040 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 00041 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 00042 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 00043 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 00044 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE 00045 * 00046 */ 00047 /* - \ref Complex_FFT 00048 * - \ref Complex_iFFT 00049 * - \ref Real_Complex_FFT 00050 * 00051 * \htmlonly 00052 * <hr /> 00053 * \endhtmlonly 00054 */ 00055 00056 #ifndef __DSP_TRANSFORMS_H__ 00057 #define __DSP_TRANSFORMS_H__ 00058 00059 #ifdef __AVR32_ABI_COMPILER__ 00060 00089 void dsp16_trans_complexifft(dsp16_complex_t *vect1, dsp16_complex_t *vect2, int nlog); 00090 00119 void dsp16_trans_complexfft(dsp16_complex_t *vect1, dsp16_complex_t *vect2, int nlog); 00120 00149 void dsp16_trans_realcomplexfft(dsp16_complex_t *vect1, dsp16_t *vect2, int nlog); 00163 void dsp32_trans_realcomplexfft(dsp32_complex_t *vect1, dsp32_t *vect2, int nlog); 00164 00165 #endif // __AVR32_ABI_COMPILER__ 00166 #endif //__DSP_TRANSFORMS_H__