fir_filters_asm.h

dsp 5416dsk aduio音效code

/*****************************************************************************/
/* FILENAME                                                                  */
/*   FIR_filters_asm.h                                                       */
/*                                                                           */
/* DESCRIPTION                                                               */
/*   Header File for different Finite Impulse Response filters implemented   */
/*   as assembly language code, where C code version would be too slow.      */
/*                                                                           */
/* VERSION                                                                   */
/*   1.01                                                                    */
/*                                                                           */
/* AUTHOR                                                                    */
/*   Bao Xiaojing                                                            */
/*                                                                           */
/* REVISION HISTORY                                                          */
/*   VER   DATE        AUTHOR          DESCRIPTION                           */
/* ------------------------------------------------------------------------  */
/*   1.01  2008.12.06  Bao Xiaojing    Update 3 audio effects.               */
/*   1.00  2002.10.30  Unknown         Initial version.                      */
/*                                                                           */
/*****************************************************************************/

#ifndef FIR_FILTERS_ASM_H
#define FIR_FILTERS_ASM_H

void FIR_filters_asm_initialise(void);

signed int FIR_filter_asm(const signed int * filter_constants, signed int input);

signed int FIR_filter_asm_2(const signed int * filter_constants, signed int input);

signed long FIR_dual_filter_asm( const signed int * filter_constants, signed int input);

#endif

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/* End of FIR_filters_asm.h                                                   */
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