/*lms.c*/
#include?
#include?
#include?
#include?“agc_face.h“
#include?“agc_func.h“

#define?N?1024????/*采樣點數*/
#define?g?100?????/*仿真次數*/
#define?k?128?????/*抽頭階數*/
#define?u?0.001???/*步長參數*/

float???d[N]xn[N]err[N]w[k]y[N];
int????i=0j=0noiseoutsingle;

int?Read_BSP1（）;
void?Write_BSP1（）;
void?Led3_Light（）;//D3燈閃爍
void?clear（）;
void?lms（）;

void?main（）
{
????int?n=0;
??
????init_board（）;????/*VC5402和AD50初始化*/?
????clear（）;
??
????while（n????{
??????single=Read_BSP1（）;??????/*輸入單音頻信號*/
??????d[0]=single;
??????noise=rand（）/20;
??????xn[n]?=?d[n]?+?（noise>>2）;??/*加噪后的信號*/
??????lms（xn）;
??????
??????Write_BSP1（）;
	??Led3_Light（）;
	??n++;
??????
????}?
}

void?clear（）
{
???int?ij;
???for（i=0;i?????{?
???????d[i]=0;
???????xn[i]=0;
???????y[i]=0;
???????err[i]=0.0;
?????}
???for（j=0;j?????{
???????w[j]=0.0;
?????}
}

void?lms（）
{
??int?i=0j=0;
??for（i=k;i?????{
????????for（j=0;j??????????{
????????????y[i]+=xn[i-j]*w[j];?
???????????}
????????err[i]=d[i]-y[i];
????????for（j=0;j??????????{
????????????w[j]+=u*err[i]*xn[i-j];
???????????}
??????}?
???Write_BSP1（）;
???
}

int?Read_BSP1（void）
{
	?int?dDataIn;
	?*（volatile?u16?*）SPSA_ADDR（1）=SPCR1_SUBADDR;
	?while（!（（*（volatile?u16*）SPSD_ADDR（1））&0x0002））{};
	?dDataIn=*（volatile?u16*）DRR1_ADDR（1）;
	?return?dDataIn;
}

void?Write_BSP1（int?dDataOut）
{
	?*（volatile?u16*）SPSA_ADDR（1）=SPCR2_SUBADDR;
	?while（!（（*（volatile?u16*）SPSD_ADDR（1））&0x0002））{};
	?*（volatile?u16*）DXR1_ADDR（1）=dDataOut;
}

void?Led3_Light（void）
{
	static?int?i=0;
	if（i>1024）
	{
		*（volatile?u16*）reg_ST1^=0x2000;
		i=0;
	}
	i++;
}

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

?????文件???????2202??2006-03-09?19:07??Lms\agc_face.h

?????文件???????3517??2009-05-07?16:59??Lms\agc_func.h

?????文件????????279??2009-05-10?21:46??Lms\cc_build_Debug.log

?????文件???????5600??2009-05-10?21:46??Lms\Debug\Lms.map

?????文件???????5995??2009-05-10?21:46??Lms\Debug\Lms.obj

?????文件???????8733??2009-05-10?21:46??Lms\Debug\Lms.out

?????文件????????263??2009-05-10?21:46??Lms\Debug.lkf

?????文件????????263??2009-05-10?21:46??Lms\Debug.lkv

?????文件??????????0??2009-05-09?10:00??Lms\IDRAM

?????文件????????395??2006-12-13?18:52??Lms\linker.cmd

?????文件???????1788??2009-05-10?21:30??Lms\Lms.c

?????文件???????1569??2009-05-10?21:50??Lms\Lms.paf

?????文件????????817??2009-05-10?21:45??Lms\Lms.pjt

?????文件???????2814??2003-01-08?13:15??Lms\math.h

?????文件?????184552??2003-01-08?13:15??Lms\rts.lib

?????文件??????????0??2009-05-09?10:00??Lms\SRAM

?????文件??????????0??2009-05-09?10:00??Lms\STACK

?????文件??????????0??2009-05-09?10:00??Lms\XDRAM

?????目錄??????????0??2009-08-28?22:29??Lms\Debug

?????目錄??????????0??2009-08-28?22:29??Lms

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

???????????????218787????????????????????20