Re: GTK and devices over TCP and serial ports

["J. Ali Harlow" <ali juiblex co uk>]

On 2004.05.06 13:36 Zbigniew Wasik wrote:
> Hi
>
> Lately I became a user of GTK
> and I do not have problem with GTK GUI, libraries or whatever
> I think it is great. and Puxbif is quite good - either for animations I
> think - however I am not the expert.
>
> But .... Yeah alway those but
>
> I need now to write and GUI/Application (in GTK) which will connect to
> Pan Tilt Unit (PTU) and camera which is mounted on top of PTU.
> OK the problem is that the GUI need to show the image from the camera
> (data comes through TCP/IP) and abibilty to control/monitor the PTU (it
> means I need to read position of the PTU - two angles and to be able to
> send a command to the PTU to move camera in other direction)

You need to add a GSource for each camera to the mainloop which uses a 
GPoll
on the TCP/IP socket that is connected to the respective camera. It's also
possible to do this with a GIOChannel, but I don't think there's any
advantage.

Cheers,

--
J. Ali Harlow
ali juiblex co uk