/*?----------------------------------------------------------------?*/
/*?Copyright?declaration????????????????????????????????????????????*/
/*?----------------------------------------------------------------?*/
/*?----------------------------------------------------------------?*/
/*?Description:???	??
?*??FileName??:????	DSP6713_algorithm.c???????????????????????????????	
?*??Writen?by?:????	Yu?zheng										*/?????????????????????????????????????		?
/*?----------------------------------------------------------------?*/
/*?----------------------------------------------------------------?*/
#define?CHIP_6713

#include?
#include?
#include?“DSP6713_const.h“
#include?“DSP6713_algorithm.h“

extern?int?inputbuffer_ping[];
extern?int?inputbuffer_pong[];
extern?int?outputbuffer_ping[];
extern?int?outputbuffer_pong[];

//?declare?and?initalize?a?IO?buffer	???
float?filt_coef[FILT_TAP]={
1.353780e-002
8.324742e-004
-1.314537e-002
6.845718e-003
1.349053e-002
-1.229753e-002
-1.678734e-002
2.568337e-002
1.267590e-002
-4.063949e-002
-4.577620e-003
6.626522e-002
-2.070024e-002
-1.149802e-001
1.099433e-001
4.837131e-001
4.837131e-001
1.099433e-001
-1.149802e-001
-2.070024e-002
6.626522e-002
-4.577620e-003
-4.063949e-002
1.267590e-002
2.568337e-002
-1.678734e-002
-1.229753e-002
1.349053e-002
6.845718e-003
-1.314537e-002
8.324742e-004
1.353780e-002
};
	
float?filt_Lconvbuf[FILT_CONVBUFSIZE];?
float?filt_Rconvbuf[FILT_CONVBUFSIZE];	?			

/*?----------------------------------------------------------------?*/
/*?----------------------------------------------------------------?*/
/*?complex?filter?and?cic?*/
void?dataprocessing（Uint16?WhichBuffer）
{
????int?fi;
????int?fj;

	int?mod?=?FILT_CONVBUFSIZE;
	int?k?=?0;
	
	float?Lval;
	float?Rval;	


	if?（WhichBuffer?==?PING）
	{
		?
		for?（fi=0;?fi		{
			Lval?=?0;
			Rval?=?0;
			
			filt_Lconvbuf[fi]?=?（float）inputbuffer_ping[2*fi];
			filt_Rconvbuf[fi]?=?（float）inputbuffer_ping[2*fi?+?1];				
			
			for?（fj=0;?fj			{
				k?=?（fi+mod-fj）?%?（mod）;
				Lval?+=?filt_Lconvbuf[k]?*?filt_coef[fj];
				Rval?+=?filt_Rconvbuf[k]?*?filt_coef[fj];			
			}			

			outputbuffer_ping[2*fi]?=?（int）Lval;
			outputbuffer_ping[2*fi?+?1]?=?（int）Rval;				
		}
	}
				
	else?
	{
		?
		for?（fi=0;?fi		{
			Lval?=?0;
			Rval?=?0;
			
			filt_Lconvbuf[fi]?=?（float）inputbuffer_pong[2*fi];
			filt_Rconvbuf[fi]?=?（float）inputbuffer_pong[2*fi?+?1];			
			
			
			for?（fj=0;?fj			{
				k?=?（fi+mod-fj）?%?（mod）;
				Lval?+=?filt_Lconvbuf[k]?*?filt_coef[fj];
				Rval?+=?filt_Rconvbuf[k]?*?filt_coef[fj];			
			}
				
			outputbuffer_pong[2*fi]??????=??（int）Lval;
			outputbuffer_pong[2*fi?+?1]??=??（int）Rval;				
		}
	}
	
	
	
/*	
	int?fi;
	if?（WhichBuffer?==?PING）
	{
		?
		for?（fi=0;?fi		{

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件????2330199??2012-05-31?15:53??2111849_pas8xx1_ibis_101921\pas8xx1.ibs

-----------?---------??----------?-----??----

??????????????2330199????????????????????1