Re: Problem with ibfind / ibask to get the minor number of controller

 board descriptor support to ibask for IbaBNA added to SVN revision 1987

On Thu, 12 Aug 2021 at 08:16, dave penkler <[email protected]> wrote:
>
> Hi,
> ibask on IbaBNA is only supported for device descriptors, not board
> descriptors. This is a bit annoying but could be fixed. Why do you
> need to determine the minor from the board descriptor ?
> -dave
>
> On Mon, 9 Aug 2021 at 23:02, Michael K via Linux-gpib-general
> <[email protected]> wrote:
> >
> > I have an interface defined in gpib.conf with ....
> >
> > interface {
> >     minor = 0
> >     board_type = "agilent_82357b"
> >     name = "hp82357b"
> >     pad = 0
> >     sad = 0
> >     timeout = T30s
> >
> > /* settings for boards that lack plug-n-play capability */
> >     base = 0
> >     irq  = 0
> >     dma  = 0
> >
> >     master = yes
> > }
> >
> > If my program uses ibfind ....
> > GPIBcontroller = ibfind( "hp82357b"  )
> >
> > GPIBcontroller is returned as 16
> > If I try to use ibask to get the minor number (needed to actually talk to a device on the controller)...
> >
> > GPIBstatus = ibask(GPIBcontroller, IbaBNA, &boardIndex);
> >
> > I get an error (4 - One or more arguments to the function call were invalid.) (status 0x8130).
> >
> > What am I doing wrong ??
> > Is there a better way to get the minor number from the interface name?
> >
> > Michael
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