[hpsdr] Questions re: FPGA firmware

[Joe Martin K5SO]

John, 

No.  Alex's 7-receiver version of firmware will run fine if only 1 receiver is enabled; no additional overhead is necessary as far as the PC program (cuSDR, PowerSDR, KISS Konsole, etc) is concerned when running 1 receiver with Alex's 7-receiver firmware compared to running 1 receiver with Hermes v1.8, as an example comparison.  

73,  Joe K5SO

On Oct 30, 2012, at 9:53 AM, John Marvin wrote:

> ***** High Performance Software Defined Radio Discussion List *****
> 
> According to the protocol, an application has to request more than 1 receiver before the additional receivers are enabled. Is there some additional overhead involved when using the 7 receiver version even when only 1 receiver is enabled?
> 
> Thanks,
> 
> John
> AC0ZG
> 
> 
> On 10/30/2012 7:38 AM, Alex VE3NEA wrote:
>> ***** High Performance Software Defined Radio Discussion List *****
>> 
>> Hi John,
>> 
>> 7-band firmware for Hermes is already available. I could not test it
>> myself, but I was told that it works fine with cuSDR at the PC side. As
>> I understand, this firmware will be optional, because its use leads to a
>> higher current from the power supply and more heat dissipation in
>> Hermes, more traffic through the network adapter, and requires more CPU
>> power in the PC than a 2-band version.


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