unit2.cpp

LMS软件是用来进行自适应滤波的最小均方误差算法

//---------------------------------------------------------------------------

#include <vcl.h>
#pragma hdrstop
#pragma package(smart_init)
#include "unit2.h"
#include "file1.h"
//---------------------------------------------------------------------------

//   Important: Methods and properties of objects in VCL can only be
//   used in a method called using Synchronize, for example:
//
//      Synchronize(UpdateCaption);
//
//   where UpdateCaption could look like:
//
//      void __fastcall Unit2::UpdateCaption()
//      {
//        Form1->Caption = "Updated in a thread";
//      }
//---------------------------------------------------------------------------
extern int Port;
extern bool readend;
extern bool StopRead;
extern bool ChangePortStart;
extern bool ChangePortEnd;
extern Ch *head;
extern Ch *trail;    
extern long RXcount;
__fastcall ReadPort::ReadPort(bool CreateSuspended)
    : TThread(CreateSuspended)
{
}
//---------------------------------------------------------------------------
void __fastcall ReadPort::Execute()
{   unsigned char ch;
    Ch    *Temp;
    while(1)
    {   if(readend) break;
        if(ChangePortStart)
         {
            ChangePortStart=false;
            while(!ChangePortEnd){}
         }
        if((FileRead(Port,&ch,1)==1)&&(!StopRead))
        {
            Temp=new Ch;
            RXcount++;
            if(Temp!=NULL)
            {
                Temp->Char=ch;
                Temp->Next=NULL;
                if(head==NULL) head=trail=Temp; else trail=trail->Next=Temp;
            }
        }

    }
    //---- Place thread code here ----
}
//---------------------------------------------------------------------------