Just an idle thought. I wonder how good the chosen FPGA solution is at a->d and d->a conversion? Just wondering about machine vision applications.<div><br></div><div>Richard<br><br><div class="gmail_quote">On Wed, Jul 27, 2011 at 11:43 PM, Michael Field <span dir="ltr"><<a href="mailto:hamster@snap.net.nz">hamster@snap.net.nz</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">On 27/07/2011 10:11 p.m., Volker Kuhlmann wrote:<br>
> Web edition usually means the design is uploaded to some website, and<br>
> the result downloaded. Same as not having a C compiler, but having to<br>
> use someone's online service for compiling.<br>
The Web Edition does compile locally - I've just built a VGA controller<br>
without any internet connectivity.<br>
<br>
As far as I can tell, the Quartus II free-to-use "Web Edition" software<br>
includes very limited "IP cores" (predesigned & verified things like DDR<br>
memory controllers), no version control or team-based design<br>
enhancements, no incremental compilation, no support for parallel builds<br>
and no support for FPGA based transceivers (which are not on the part<br>
that the DE0-nano uses anyway).<br>
<br>
There is a "TalkBack" feature . When enabled it uploads metadata on your<br>
design and tool usage to Altera. In return using it enables some<br>
debugging features like "SignalTap II" and "SignalProbe". [quote] Altera<br>
provides the SignalTap II Logic Analyzer to help with the process of<br>
design debugging. This logic analyzer is a solution that allows you to<br>
examine the behavior of internal signals, without using extra I/O pins,<br>
while the design is running at full speed on an FPGA device. [/quote]<br>
<br>
See <a href="http://www.altera.com/literature/po/ss_quartussevswe.pdf" target="_blank">http://www.altera.com/literature/po/ss_quartussevswe.pdf</a>,<br>
<a href="http://www.altera.com/literature/hb/qts/qts_qii53009.pdf" target="_blank">http://www.altera.com/literature/hb/qts/qts_qii53009.pdf</a> and<br>
<a href="http://www.altera.com/support/kdb/talkbackfaq.html" target="_blank">http://www.altera.com/support/kdb/talkbackfaq.html</a> for more info.<br>
<br>
Altera do provide a free simulation package, the limitations are that it<br>
is 33% slower than the licensed version and only supports projects with<br>
less than 10,000 lines of executable code. This shouldn't be a problem<br>
for projects on the DE0-nano, which only has 22,000 logic elements.<br>
<br>
Mike<br>
<br>
<br>
<br>
<br>
<br>
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</blockquote></div><br></div>