Re: [Dev-C++] get serial port info

Hi Jessica.

Can you, for start, list what is on "HARDWARE\\DEVICEMAP\\SERIALCOMM" in
your computer?

Regards
Rafael


On 19/12/2007, Jessica Chen <jes...@gm...> wrote:
>
> Hi, thanks for ur email, Rafael.
>
> I researched myself.
> I wrote a code.  I will list it as follows.
> The problem seems it can recognize the real serial com port (Com 1 in my
> computer, registry).
> But on my computer, I have a  USB->serial com port (Com 7 in my computer,
> registry).
> The code cannot recognize the USB->serial com port.
> Is there any experienced persons can give any idea about that?
>
> #include <windows.h>
> #include <stdio.h>
> #include <tchar.h>
>
> int main(void)
> {
>     char *strSerialList[256];
>     HKEY hKey;
>
>     if( RegOpenKeyEx(HKEY_LOCAL_MACHINE,
>                      TEXT("HARDWARE\\DEVICEMAP\\SERIALCOMM"),
>                      0,
>                      KEY_READ,
>                      &hKey) != ERROR_SUCCESS)
>     {
>         return -1;
>     }
>
>      int i=0;
>      CHAR Name[25];
>      UCHAR szPortName[25];
>      LONG Status;
>      DWORD dwIndex = 0;
>      DWORD dwName;
>      DWORD dwSizeofPortName;
>      DWORD Type;
>      dwName = sizeof(Name);
>      dwSizeofPortName = sizeof(szPortName);
>
>      do
>      {
>        Status = RegEnumValue(hKey, dwIndex++, Name, &dwName, NULL, &Type,
>                           szPortName, &dwSizeofPortName);
>        if((Status == ERROR_SUCCESS) || (Status == ERROR_MORE_DATA))
>        {
>           strSerialList[i] = (char*)(szPortName);
>           i++;
>        }
>     } while((Status == ERROR_SUCCESS) || (Status == ERROR_MORE_DATA));
>     RegCloseKey(hKey);
>
>     for(int j=0;j<i;j++)
>     {
>       printf("%s\n",strSerialList[j]);
>     }
>
>     return 0;
> }
>
>
> On Dec 19, 2007 12:34 PM, Rafael Menezes <so...@gm...> wrote:
>
> > You can send mails. Can you search on google?
> >
> > http://www.google.com.br/search?hl=pt-BR&q=c%2B%2B+com+port&meta=
> >
> >
> > http://www.google.com.br/search?num=30&hl=pt-BR&q=c%2B%2B+serial+port&meta
> > =
> >
> >
> >  On 19/12/2007, Jessica Chen <jes...@gm...> wrote:
> >
> > > is there anyone have the experience for writing code of getting the
> > > serial port info from windows?
> > > can u give me an sample code?
> > >
> > >
> > >
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> >
> >
> > --
> > Regards
> > Rafael Menezes
>
>
>


-- 
Regards
Rafael Menezes