Re: [Mingw-users] createfile error for serial port access

[Joel P. <joe...@gm...>]

thanks!

qmake defines UNICODE in the makefile. I have erased this option and mingw
compiled succesfully!

Regards,
Joel

On 7/29/06, Earnie Boyd <ea...@us...> wrote:
>
> Quoting Joel Prieto <joe...@gm...>:
>
> > Hi. I have a problem using serial port under WINDOWS. I have mingw
> compiler,
> > but when it compiles several errors appears. Can anybody help me?. I've
> > tried with others libraries to open serial port, buy I am still having
> the
> > same error message.
> > int openport(char *comport, HANDLE * cfd)
> > {
> >    *cfd =
> > CreateFile(comport, GENERIC_READ | GENERIC_WRITE, 0, NULL,
> >     OPEN_EXISTING, 0, NULL);
> > ....................
> >
> > }
> > serial.cpp: In function `int openport(char*, void**)':
> > serial.cpp:68: error: cannot convert `char*' to `const WCHAR*' for
> argument
> > `1' to `void* CreateFileW(const WCHAR*, DWORD, DWORD,
> _SECURITY_ATTRIBUTES*,
> > DWORD, DWORD, void*)'
> >
>
> You have two options:
>
> 1) Don't use UNICODE
> 2) Modify ``char *comport'' to read ``wchar *comport'' or ``tchar
> *comport''
>
> Earnie Boyd
>
> http://shop.siebunlimited.com
>
>
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