Re: [ECOS] conversion of cyg_io_handle_t type to filedescriptor of type integer

[Thiagarajan Rajasekaran <rajt@connecttel.com>]

Thanks a lot. I got my problem fixed.

Raj

Jonathan Larmour wrote:

> Thiagarajan Rajasekaran wrote:
> >
> > Hi,
> > I'm trying to use the ioctl(int fd, u_long cmd, void *data) defined in
> > ecos/packages/net/tcpip/src/lib/ioctl.c for my task. This function needs
> > filedescriptor fd as one of the parameters. In ECOS when you open a
> > serial device it gives you a handle of type cyg_io_handle_t. Is there a
> > way to get the filedescriptor from cyg_io_handle_t or I should write my
> > own version of ioctl()?.  Please reply to me asap.
>
> Why do you need to use ioctl() when you can use something more appropriate
> like cyg_io_get_config()?
>
> But if you really want to implement it, the way to do it is with the fileio
> package, and use open() instead of cyg_io_open() etc. Then fill in the
> dev_fo_ioctl function in io/fileio/current/src/devfs.cxx.
>
> Jifl
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*   Thiagarajan Rajasekaran                                    *
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