The problem of how to program FPGA's/CPLD's is a real headache at the moment.
For my own development work I've been using Cypress CPLD's.
The Cypress parts are pretty good and the development tools only
cost $100 (for VHDL and Verilog), which wile not free is a lot
more reasonable than the many k$ that most suppliers want.
Unfortunately the development software runs only on Windows, with
a hobbled version running under Solaris. I've heard that the
underlying command line tools have already been ported to Linux
but as usual in these cases they wont release them to the masses.
Of course if you need an FPGA you are stuck with an expensive solution.
I've been keeping an eye on the freeHDL project http://www.freehdl.seul.org/,
but there doesn't appear to have been much activity lately.
Aloha,
Malcolm.
> On Mon, Nov 15, 1999 at 10:43:42PM +0000, John Storrs wrote:
> > Sounds like you might be interested in my fast data acquisition and control
> > project, centred on a generic PCI card design. I'm hoping to have a test card
>
> Sonds like a great card. Two students at NMTech are working on
> a project to use an Altera PCI board with some SRAM, two fat
> FPGAs and a bunch of I/O pins, with RTLinux. We care currently looking
> at communication only, but the plan is to move to DAQ once proof
> of principle is in place.
>
> > PCI development board from PLXTech. The application function in this case is
> > fast data acquisition, with an 80Msps dual channel 8 bit ADC. This can be used
> > for over- or under-sampling (the ADC has a 475MHz sample and hold). The card
> > should provide a good test of the generic design, as well as an interesting
> > application. This is an 'open design' project - I'll be publishing everything
> > (CAD stuff, PLD code, software). More on this later.
>
> Look forward to seeing it.
>
> The big problem with all this is that there is little software for
> generating state machines from Linux. What are you doing to program the PLDs?
>
>
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