unit1.cpp

CRC16 源程序

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

#include <vcl.h>
#pragma hdrstop

#include "Unit1.h"
//---------------------------------------------------------------------------
#pragma package(smart_init)
#pragma resource "*.dfm"
TForm1 *Form1;
//---------------------------------------------------------------------------
__fastcall TForm1::TForm1(TComponent* Owner)
        : TForm(Owner)
{
}
//---------------------------------------------------------------------------

void __fastcall TForm1::Button2Click(TObject *Sender)
{
    Close();
}
//---------------------------------------------------------------------------
__fastcall TForm1::fun_SerialCRC(uchar *puchMsg, uint usDataLen)
{
    uchar uchCRCHi;
    uchar uchCRCLo;
    uint uIndex ;

    uchCRCHi = 0xff;
    uchCRCLo = 0xff;

    while (usDataLen--)
    {
        uIndex = uchCRCHi ^ *puchMsg++;
        uchCRCHi = uchCRCLo ^ auchCRCHi[uIndex];
        uchCRCLo = auchCRCLo[uIndex];
    }

    return (uchCRCHi << 8 | uchCRCLo);
}
//---------------------------------------------------------------------------


void __fastcall TForm1::Button1Click(TObject *Sender)
{
    String st1 = Edit1->Text;   //这里调试通不过
    String st2 = fun_SerialCRC(&st1,12);   //这里调试通不过
    Edit2->Text = st2;
}
//---------------------------------------------------------------------------