/*-------------------------------------------------------------------------- INTRINS.H Intrinsic functions for C51. Copyright (c) 1988-2004 Keil Elektronik GmbH and Keil Software, Inc. All rights reserved. --------------------------------------------------------------------------*/ #ifndef __INTRINS_H__ #define __INTRINS_H__ extern void _nop_ (void); extern bit _testbit_ (bit); extern unsigned char _cror_ (unsigned char, unsigned char); /*6个循环移位函数,与>>不同点在于不会截位*/ extern unsigned int _iror_ (unsigned int, unsigned char); /*属于严格的循环圈,被截的位会补在另一端*/ extern unsigned long _lror_ (unsigned long, unsigned char); /*3个左移 3个右移*/ extern unsigned char _crol_ (unsigned char, unsigned char); /*区别在于第一参数 即被移动对象*/ extern unsigned int _irol_ (unsigned int, unsigned char); /*char int long */ extern unsigned long _lrol_ (unsigned long, unsigned char); /*T Repeat O Left*/ extern unsigned char _chkfloat_(float); extern void _push_ (unsigned char _sfr); extern void _pop_ (unsigned char _sfr); #endif
振荡周期 = 晶振
状态周期= 2* 振荡周期
机器周期= 12*振荡周期 (每个机器周期,CPU进行一次操作)
指令周期= 不同指令占用机器周期不同
RISC精简指令集
CISC冗余指令集
#include <stdio.h> #include"math.h" #define PMAX 100 #define PMIN -100 #define DMAX 100 #define DMIN -100 #define FMAX 100 /*语言值的满幅值*/ int PFF[4]={0,12,24,48}; /*输入量D语言值特征点*/ int DFF[4]={0,16,32,64}; /*输出量U语言值特征点*/ int UFF[7]={0,15,30,45,60,75,90}; /*采用了调整因子的规则表,大误差时偏重误差,小误差时偏重误差变化*/ /*a0=0.3,a1=0.55,a2=0.74,a3=0.89 */ int rule[7][7]={ //误差变化率 -3,-2,-1, 0, 1, 2, 3 // 误差 {-6,-6,-6,-5,-5,-5,-4,}, // -3 {-5,-4,-4,-3,-2,-2,-1,}, // -2 {-4,-3,-2,-1, 0, 1, 2,}, // -1 {-4,-3,-1, 0, 1, 3, 4,}, // 0 {-2,-1, 0, 1, 2, 3, 4,}, // 1 { 1, 2, 2, 3, 4, 4, 5,}, // 2 { 4, 5, 5, 5, 6, 6, 6}}; // 3 /**********************************************************/ int Fuzzy(int P,int D) /*模糊运算引擎*/ { int U; /*偏差,偏差微分以及输出值的精确量*/ unsigned int PF[2],DF[2],UF[4]; /*偏差,偏差微分以及输出值的隶属度*/ int Pn,Dn,Un[4]; long temp1,temp2; /*隶属度的确定*/ /*根据PD的指定语言值获得有效隶属度*/ if(P>-PFF[3] && P<FF[3]) { if(P<=-PFF[2]) { Pn=-2; PF[0]=FMAX*((float)(-PFF[2]-P)/(PFF[3]-PFF[2])); } else if(P<=-PFF[1]) { Pn=-1; PF[0]=FMAX*((float)(-PFF[1]-P)/(PFF[2]-PFF[1])); } else if(P<=PFF[0]) { Pn=0; PF[0]=FMAX*((float)(-PFF[0]-P)/(PFF[1]-PFF[0])); } else if(P<=PFF[1]) { Pn=1; PF[0]=FMAX*((float)(PFF[1]-P)/(PFF[1]-PFF[0])); } else if(P<=PFF[2]) { Pn=2; PF[0]=FMAX*((float)(PFF[2]-P)/(PFF[2]-PFF[1])); } else if(P<=PFF[3]) { Pn=3; PF[0]=FMAX*((float)(PFF[3]-P)/(PFF[3]-PFF[2])); } } else if(P<=-PFF[3]) { Pn=-2; PF[0]=FMAX; } else if(P>=PFF[3]) { Pn=3; PF[0]=0; } PF[1]=FMAX-PF[0]; if(D>-DFF[3] && D<DFF[3]) { if(D<=-DFF[2]) { Dn=-2;DF[0]=FMAX*((float)(-DFF[2]-D)/(DFF[3]-DFF[2])); } else if(D<=-DFF[1]) { Dn=-1; DF[0]=FMAX*((float)(-DFF[1]-D)/(DFF[2]-DFF[1])); } else if(D<=DFF[0]) { Dn=0; DF[0]=FMAX*((float)(-DFF[0]-D)/(DFF[1]-DFF[0])); } else if(D<=DFF[1]) { Dn=1; DF[0]=FMAX*((float)(DFF[1]-D)/(DFF[1]-DFF[0])); } else if(D<=DFF[2]) { Dn=2; DF[0]=FMAX*((float)(DFF[2]-D)/(DFF[2]-DFF[1])); } else if(D<=DFF[3]) { Dn=3; DF[0]=FMAX*((float)(DFF[3]-D)/(DFF[3]-DFF[2])); } } else if(D<=-DFF[3]) { Dn=-2; DF[0]=FMAX; } else if(D>=DFF[3]) { Dn=3; DF[0]=0; } DF[1]=FMAX-DF[0]; /*使用误差范围优化后的规则表rule[7][7]*/ /*输出值使用13个隶属函数,中心值由UFF[7]指定*/ /*一般都是四个规则有效*/ Un[0]=rule[Pn-1+3][Dn-1+3]; Un[1]=rule[Pn+3][Dn-1+3]; Un[2]=rule[Pn-1+3][Dn+3]; Un[3]=rule[Pn+3][Dn+3]; if(PF[0]<=DF[0]) UF[0]=PF[0]; else UF[0]=DF[0]; if(PF[1]<=DF[0]) UF[1]=PF[1]; else UF[1]=DF[0]; if(PF[0]<=DF[1]) UF[2]=PF[0]; else UF[2]=DF[1]; if(PF[1]<=DF[1]) UF[3]=PF[1]; else UF[3]=DF[1]; /*同隶属函数输出语言值求大*/ if(Un[0]==Un[1]) { if(UF[0]>UF[1]) UF[1]=0; else UF[0]=0; } if(Un[0]==Un[2]) { if(UF[0]>UF[2]) UF[2]=0; else UF[0]=0; } if(Un[0]==Un[3]) { if(UF[0]>UF[3]) UF[3]=0; else UF[0]=0; } if(Un[1]==Un[2]) { if(UF[1]>UF[2]) UF[2]=0; else UF[1]=0; } if(Un[1]==Un[3]) { if(UF[1]>UF[3]) UF[3]=0; else UF[1]=0; } if(Un[2]==Un[3]) { if(UF[2]>UF[3]) UF[3]=0; else UF[2]=0; } /*重心法反模糊*/ /*Un[]原值为输出隶属函数标号,转换为隶属函数值*/ if(Un[0]>=0) Un[0]=UFF[Un[0]]; else Un[0]=-UFF[-Un[0]]; if(Un[1]>=0) Un[1]=UFF[Un[1]]; else Un[1]=-UFF[-Un[1]]; if(Un[2]>=0) Un[2]=UFF[Un[2]]; else Un[2]=-UFF[-Un[2]]; if(Un[3]>=0) Un[3]=UFF[Un[3]]; else Un[3]=-UFF[-Un[3]]; temp1=UF[0]*Un[0]+UF[1]*Un[1]+UF[2]*Un[2]+UF[3]*Un[3]; temp2=UF[0]+UF[1]+UF[2]+UF[3]; U=temp1/temp2; return U; } void main() { int a=0,e,ec; /*int nowpoint,p1,p2=1; FILE *in,*out; in=fopen("in.txt","r"); out=fopen("out.txt","w");*/ //while(!feof(in)) while(1) { //fscanf(in,"%d",&nowpoint); //p1=nowpoint; //e=0-nowpoint; //ec= p1-p2; printf("请输入e:"); scanf("%d",&e); printf("请输入ec:"); scanf("%d",&ec); a=Fuzzy(e,ec); //fprintf(out,"%d ",a); //printf("%d: ",p1); printf("e: %d ec: %d ",e,ec); printf("a: %d \n",a); //p2=p1; } //fclose(in); //fclose(out); }