unit1.~cpp

load *.bin and check the checksum

//---------------------------------------------------------------------------
#include <vcl.h>
#include <math.h>
#include <stdio.h>
#pragma hdrstop

#include "Unit1.h"
//---------------------------------------------------------------------------
#pragma package(smart_init)
#pragma resource "*.dfm"
TForm1 *Form1;

String  strFormRead = "Read ";
String  strFormFail = "Fail";
String  strFormOpen = "";
String  strFileError = "Checksum Error";
//---------------------------------------------------------------------------
__fastcall TForm1::TForm1(TComponent* Owner)
        : TForm(Owner)
{
}
//---------------------------------------------------------------------------

void __fastcall TForm1::Button1Click(TObject *Sender)
{
 if(OpenDialog1->Execute())
 Edit1->Text = (OpenDialog1->FileName);
}
//---------------------------------------------------------------------------

void __fastcall TForm1::Button2Click(TObject *Sender)
{
  String file_name =(OpenDialog1->FileName);
  unsigned char temp = 0;
  unsigned long sum_word = 0;
  FILE *fp = NULL;

  fp = fopen(file_name.c_str(), "rb");
    if(fp != NULL)
    {
        while(fread(&temp, sizeof(unsigned char), 1, fp))
        {
          sum_word = sum_word + temp;
        }
        fclose(fp);
    }
    else
    {
        ShowMessage(strFormRead + file_name + strFormFail);
    }

    Edit2->Text = sum_word;

    //****************************************
    //CheckSum value
    //L2_F584.bin --> 113570612
    //****************************************
    if(sum_word != 113570612)
    {
        ShowMessage(strFileError);
        exit(EXIT_SUCCESS);
    }


}
//---------------------------------------------------------------------------