32343
843447835d
- IPS200 display menu with real-time status and parameter settings - Camera image processing and line tracking - IMU attitude solution and PID control - WiFi SPI oscilloscope data transmission
75 lines
2.7 KiB
C
75 lines
2.7 KiB
C
/**
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* \file Ifx_WndF32.h
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* \brief Windowing function
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* \ingroup library_srvsw_sysse_math_f32_wnd
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*
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*
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*
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* \version disabled
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* \copyright Copyright (c) 2013 Infineon Technologies AG. All rights reserved.
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*
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*
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* IMPORTANT NOTICE
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*
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*
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* Use of this file is subject to the terms of use agreed between (i) you or
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* the company in which ordinary course of business you are acting and (ii)
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* Infineon Technologies AG or its licensees. If and as long as no such
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* terms of use are agreed, use of this file is subject to following:
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* Boost Software License - Version 1.0 - August 17th, 2003
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* Permission is hereby granted, free of charge, to any person or
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* organization obtaining a copy of the software and accompanying
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* documentation covered by this license (the "Software") to use, reproduce,
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* display, distribute, execute, and transmit the Software, and to prepare
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* derivative works of the Software, and to permit third-parties to whom the
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* Software is furnished to do so, all subject to the following:
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* The copyright notices in the Software and this entire statement, including
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* the above license grant, this restriction and the following disclaimer, must
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* be included in all copies of the Software, in whole or in part, and all
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* derivative works of the Software, unless such copies or derivative works are
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* solely in the form of machine-executable object code generated by a source
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* language processor.
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
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* SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
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* FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*
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* \defgroup library_srvsw_sysse_math_f32_wnd Window functions
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* \ingroup library_srvsw_sysse_math_f32
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*/
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#ifndef IFX_WNDF32_H
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#define IFX_WNDF32_H
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#include "Ifx_Cf32.h"
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#define IFX_WNDF32_TABLE_LENGTH (1024)
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/** \addtogroup library_srvsw_sysse_math_f32_wnd
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* \{ */
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IFX_EXTERN CONST_CFG float32 Ifx_g_WndF32_hannTable[IFX_WNDF32_TABLE_LENGTH / 2];
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IFX_EXTERN CONST_CFG float32 Ifx_g_WndF32_blackmanHarrisTable[IFX_WNDF32_TABLE_LENGTH / 2];
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/** \brief Apply a window to complex array x which has nX length.
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*
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* Example: Ifx_WndF32_apply(x, Ifx_g_WndF32_hannTable, 1024); */
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IFX_INLINE void Ifx_WndF32_apply(cfloat32 *x, CONST_CFG float32 *window, short nX)
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{
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VecWin_f32(&x->real, window, nX, IFX_WNDF32_TABLE_LENGTH, 2, 1);
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}
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/** \} */
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#endif /* IFX_WNDF32_H */
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