Re: [myhdl-list] Interfaces in Interfaces

[Christopher F. <chr...@gm...>]

On Tuesday, May 5, 2015, Ben Reynwar <be...@re...> wrote:

> So it looks like it's possible in internal interfaces but you can't
> currently use them in the top interface.
>
>
> https://github.com/jandecaluwe/myhdl/blob/08519b452f153885d3cc43038111b7779e2bb2f1/myhdl/conversion/_analyze.py#L1255
>
> Is there any deep reason that this hasn't been done?  Or should I just go
> ahead and fix this?
>
>
No I don't believe there is a reason.  Extending to nested interfaces
should be feasible.

Regard,
Chris



> On Tue, May 5, 2015 at 9:35 AM, Ben Reynwar <be...@re...
> <javascript:_e(%7B%7D,'cvml','be...@re...');>> wrote:
>
>> Problem was I was wrapping the interface with Signal.
>>
>> i.e.
>> self.data = Signal(Complex(width=width))
>> should have been
>> self.data = Complex(width=width)
>>
>> On Tue, May 5, 2015 at 8:49 AM, Ben Reynwar <be...@re...
>> <javascript:_e(%7B%7D,'cvml','be...@re...');>> wrote:
>>
>>> Great, thank you.  I must have been doing something else wrong.  And
>>> thanks for the upper bound tip!
>>>
>>> On Tue, May 5, 2015 at 6:39 AM, Christopher Felton <
>>> chr...@gm...
>>> <javascript:_e(%7B%7D,'cvml','chr...@gm...');>> wrote:
>>>
>>>> On 5/4/15 11:01 PM, Ben Reynwar wrote:
>>>> > Hi all,
>>>> >
>>>> > Is it possible to use interface definitions in interfaces?  For
>>>> example
>>>> > I might have an interface for a complex number, and then an interface
>>>> > for a back-pressured stream of complex numbers that uses the complex
>>>> > number interface as a component.
>>>>
>>>> Yes, it is possible.  A basic test case exists in
>>>> the test suite:
>>>>
>>>>
>>>> https://github.com/jandecaluwe/myhdl/blob/master/myhdl/test/conversion/general/test_interfaces3.py#L28
>>>>
>>>> Regards,
>>>> Chris
>>>>
>>>>
>>>>
>>>> >
>>>> > e.g.
>>>> >
>>>> > class Complex(object):
>>>> >
>>>> >      def __init__(self, width):
>>>> >          maxval = pow(2, width-1)-1
>>>>
>>>> Note, Python is exclusive on the upper bounds, MyHDL
>>>> follows this concept.  The max bound is one more than
>>>> the max value.
>>>>
>>>> (python exclusive upper bound)
>>>> http://stackoverflow.com/a/11364711/760977
>>>>
>>>> Regards,
>>>> Chris
>>>>
>>>>
>>>>
>>>> ------------------------------------------------------------------------------
>>>> One dashboard for servers and applications across Physical-Virtual-Cloud
>>>> Widest out-of-the-box monitoring support with 50+ applications
>>>> Performance metrics, stats and reports that give you Actionable Insights
>>>> Deep dive visibility with transaction tracing using APM Insight.
>>>> http://ad.doubleclick.net/ddm/clk/290420510;117567292;y
>>>> _______________________________________________
>>>> myhdl-list mailing list
>>>> myh...@li...
>>>> <javascript:_e(%7B%7D,'cvml','myh...@li...');>
>>>> https://lists.sourceforge.net/lists/listinfo/myhdl-list
>>>>
>>>
>>>
>>
>


-- 
Sent from Gmail Mobile