[hpsdr] "FPGA Floor Planning"

[Stijn Nestra]

Just fyi,

These are the prices for Quartus per seat per year. 
https://www.altera.com/buy/design-software.html#note

If we go this route, you exclude any hobbyist who wants to make his own 
modifications to the code.

Just my opinion,

Stijn PE1RKS

Op 10-02-17 om 18:33 schreef Scott Traurig:
> ***** High Performance Software Defined Radio Discussion List *****
>
>
>
> How is it that the free version of Quartus is sufficient when just 
> recently both the Angelia and Orion firmware updates required 
> multiple, rapid iterations and still apparently either don't work at 
> all, don't work for everyone, or work but have to trade-off previous 
> functionality for new functionality?
>
> Given the current complexity of the firmware (which, by the way, only 
> underscores the really tremendous amount of phenomenal work that Joe 
> and Phil have completed over the years), timing closure has had to 
> become more and more difficult with the free tool. This is even more 
> of an issue with the new firmware protocol where there is more data, 
> moving faster, than ever before.
>
> Another factor that is driving the need to go to a more capable 
> development environment is the fact that there is no lab where a 
> firmware build can be fully validated on a range of Hermes, Angelia or 
> Orion boards, over temperature, before release. This makes achieving 
> tight timing about the nominal range even more important such that 
> builds that work for some and not others are less likely.
>
> Here's another suggestion: the firmware source code remains open 
> source, of course. And those who wish to develop on the free version 
> of Quartus can still do so. But it would seem that Apache Labs might 
> want to obtain the standard version of Quartus and someone willing and 
> able to use it to polish up the timing of a given build such that it 
> will reliably work on all Apache Labs radios under most conditions.
>
> 73,
>
> Scott/w-u-2-o
>
>
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