Re: [myhdl-list] ExtractHierarchyError

[Md B. M. <mma...@vo...>]

Wesley New <wesley <at> ska.ac.za> writes:

> 
> 
> Yes, Chris and Jan are right.
> 
> If you have the wrong amount of objects being returned you get an 
error saying as as much. 
> 
> I was returning the correct amount of objects, but one was a Signal 
and not a Method.
> 
> 
> Thanks
> 
> Wes
> 
> On Tue, Jul 3, 2012 at 1:30 PM, Jan Decaluwe <jan <at> 
jandecaluwe.com> wrote:
> On 06/30/2012 10:50 PM, Wesley New wrote:
> > I am getting this error when running the toVerilog method:
> >
> > raise ExtractHierarchyError(_error.InconsistentToplevel % 
(top_inst.level, name))
> > myhdl.ExtractHierarchyError: Inconsistent top level 2 for toplevel - 
should be 1
> >
> > Can anyone shed some more light on this error.
> Something strange with the hierarchy definition, as
> Chris F points out you should check whether all
> modules return generators/instances correctly.
> --
> Jan Decaluwe - Resources bvba - http://www.jandecaluwe.com
>      Python as a HDL: http://www.myhdl.org
>      VHDL development, the modern way: http://www.sigasi.com
>      World-class digital design: http://www.easics.com
> 
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Yes, this is due to incorrect return of a function. Sometimes we forget 
to include the return statement at the end of a module, or make spelling 
mistake in the return value. Thats are some possible reasons behind the 
error