On Wednesday 26 October 2016 00:21:37 Chris Albertson wrote:

> I think SPI runs at 500 KHz.  That is 50 times slower then Ethernet if
> you look at only the bit rate.   But what matters, I think more is the
> time it takes to send one message.   It might (maybe?) be faster on
> SPI because you avoid the TCP/IP stack.  With SPI your software is
> driving the bare hardware.
>
The Orange Pi claims up to 5 megabit SPI speeds, thats 500 kilobytes. And 
I have scopes enough to check it.

> Sometimes a car at 55 MPH can beat a 550 MPH airplane if the trip is
> short enough.  I don't know about this case but it's kind of moot as
> 500KHz is well more than fast enough.
>
> On Tue, Oct 25, 2016 at 8:07 PM, bari <[email protected]> wrote:
> > @Gene
> >
> > Not sure how well SPI works on the Orange Pi. Since you've decided
> > on the 7i90HD with SPI why don't use use the Rpiwith it?


Cheers, Gene Heskett
-- 
"There are four boxes to be used in defense of liberty:
 soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
Genes Web page <http://geneslinuxbox.net:6309/gene>

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