[time-nuts] counter

[Don Latham]

I looked over the Digilent site again, and I have to agree. There is a lot
of information available, and the textbooks available look interesting as
well. If I get really turned on, I may buy a board and book.
Don

Tijd Dingen
> I'd like to second John's suggestion to go with the Nexys2. As far as I'm
> concerned it has pretty good value for money.
>
> Regarding the standalone use, it has a configuration prom that you can
> use.
> That way it will automatically load your design on powerup, without
> needing
> a programmer every time.
>
> And regarding the programming tools, the digilent adept plugin for xilinx
> ise
> works pretty well. It used to only work under windows but these days the
> linux
> version also works. So you can program it directly using iMPACT, or
> command
> line tools for those who prefer a Makefile.
>
> regards,
> Fred
>
>
>
>
> ----- Original Message ----
> From: Don Latham <djl at montana.com>
> To: Discussion of precise time and frequency measurement
> <time-nuts at febo.com>
> Sent: Sun, January 30, 2011 6:02:57 PM
> Subject: Re: [time-nuts] counter
>
> Seems right, John. For just a little more, the other units you recommended
> might be better. Still a lot of programming work to do, but implementing a
> simple counter/period measurement might not be too bad. I've never
> programmed an FPGA, so have no idea of the practicalities of really
> accomplishing anything...I have an Ettus Research USRP1 sitting here that
> I need to get going as well. There is not enough time in this world.
> Either that, or I need some serious time management skills. :-)
>
> Don
>
> John Miles
>> I think that's what it was called, yes.  There was a console version and
>> a
>> GUI version, both closed-source.  Hopefully they also provide a linkable
>> library by now; that's what you'd want to ask about.
>>
>> The Xylo board I was looking at didn't have a large EEPROM attached to
>> its
>> USB chip, so the loader was required to program the 8051 core on the USB
>> chip and send the bitfile across to it.  So there are two separate
>> rabbit
>> holes to explore if you want to base a standalone design on that
>> particular
>> board.
>>
>> -- john, KE5FX
>>
>>> -----Original Message-----
>>> From: time-nuts-bounces at febo.com [mailto:time-nuts-bounces at febo.com]On
>>> Behalf Of Don Latham
>>> Sent: Sunday, January 30, 2011 12:04 AM
>>> To: Discussion of precise time and frequency measurement
>>> Subject: Re: [time-nuts] counter
>>>
>>>
>>> Would that be FPGAconf? It's still mentioned in the documentation and
>>> seems to be a kind of bitfile loader. There's no mention of a
>>> requirement
>>> to use it, but it may be necessary. Docs mention Altera or Xilinx
>>> packages
>>> and a c++ compiler as necessary.
>>> I just skimmed the document.
>>> Don
>>>
>>> > in business at all tells me that the requirement to run the
>>> configuration
>>> > .exe is probably no longer in effect.
>>> >
>>> > -- john, KE5FX
>>> >
>>> >
>>> > _______________________________________________
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>>>
>>>
>>> --
>>> "Neither the voice of authority nor the weight of reason and argument
>>> are
>>> as significant as experiment, for thence comes quiet to the mind."
>>> R. Bacon
>>> "If you don't know what it is, don't poke it."
>>> Ghost in the Shell
>>>
>>>
>>> Dr. Don Latham AJ7LL
>>> Six Mile Systems LLP
>>> 17850 Six Mile Road
>>> POB 134
>>> Huson, MT, 59846
>>> VOX 406-626-4304
>>> www.lightningforensics.com
>>> www.sixmilesystems.com
>>>
>>>
>>> _______________________________________________
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>
>
> --
> "Neither the voice of authority nor the weight of reason and argument are
> as significant as experiment, for thence comes quiet to the mind."
> R. Bacon
> "If you don't know what it is, don't poke it."
> Ghost in the Shell
>
>
> Dr. Don Latham AJ7LL
> Six Mile Systems LLP
> 17850 Six Mile Road
> POB 134
> Huson, MT, 59846
> VOX 406-626-4304
> www.lightningforensics.com
> www.sixmilesystems.com
>
>
> _______________________________________________
> time-nuts mailing list -- time-nuts at febo.com
> To unsubscribe, go to
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> and follow the instructions there.
>
>
>
>
>
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>


-- 
"Neither the voice of authority nor the weight of reason and argument are
as significant as experiment, for thence comes quiet to the mind."
R. Bacon
"If you don't know what it is, don't poke it."
Ghost in the Shell


Dr. Don Latham AJ7LL
Six Mile Systems LLP
17850 Six Mile Road
POB 134
Huson, MT, 59846
VOX 406-626-4304
www.lightningforensics.com
www.sixmilesystems.com