[hpsdr] Hermes

[Mike]

Gigabit Ethernet is excellent news!

Would it be possible to 'network attach' Hermes to a wifi access  
point (most routers include gigabit ethernet) and access the I/Q data  
over wifi?


On Aug 4, 2010, at 10:06 PM, Phil Harman wrote:

>
>
> The other potential change is this.  I have this week build a  
> prototype
> OzyII Gigabit Ethernet board. It works very well and I'm impressed  
> with
> how rugged Ethernet appears to be in comparison to USB and Firewire.
>
> We therefore have the opportunity to replace the USB interface on  
> Hermes
> with Ethernet.  There are a number of advantages in doing this:
>
> - we overcome the USB driver issues when using different operating  
> systems
> - we can 'network attach' Hermes
> - we will have a very high speed interface to the board for future  
> features
> - we can use a much longer Ethernet cable than USB allows
>
> the disadvantages
>
> - it may need more that one spin of the PCB which will delay the  
> delivery
> - we will use approximately 10% of the FPGA to implement the Ethernet
> interface.
>
> I'm not too concerned about using more of the FPGA since the device  
> we are
> using is 70% larger than that used on Mercury.
>
> So "to USB or not to USB - that is the question"?
>
> 73's Phil...VK6APH
>
>
>
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