[Scilab-users] Problem with GUI / SERIAL / REALTIME.

[Robin Farine]

On Tue, Aug 15, 2017 at 2:38 PM, Jonas <jonas.vieira.de.souza at gmail.com> wrote:
>
>
> Hi, I'm having a problem with GUI / SERIAL / REALTIME. . After the serial is open, I can not close the serial by pressing the graphic button I created for this.

[...]

> function open_serial()
>     global serial;
>     global is_connected;
>     global is_disconnected;
>
>     if is_connected == %F then
>         is_connected = %T;
>         is_disconnected = %F;
>         serial = openserial( 2, "9600,n,8,1" );
>
>         set( _connect_button, 'relief','sunken' );
>         set( _disconnect_button, 'relief', 'raised');
>         set( _label_status, 'string', 'connected' );
>
>         while is_connected == %T & is_disconnected == %F then
>             read_serial();
>         end

Just guessing but isn't Scilab single-threaded, busy looping in
"open_serial()" and therefore no longer handling your UI button
events?