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« Return to Thread: SPI interword gap
Re: SPI interword gap
by Akram Hameed
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Rate this Message:
Pretty sure he'd never manage 24MHz bitbashing. If he did, I'd be
surprised!
-----Original Message-----
From: AKS [mailto:aungkyas@...]
Sent: Saturday, 23 June 2012 10:01 AM
To: General mailing list for gumstix users.
Subject: Re: [Gumstix-users] SPI interword gap
Hi
How about bit bashing, switching on and off the GPIO ports instead of
using SPI hardware registers? Then you can control everything.
On 6/22/12, David Baur <dgbaur@...> wrote:
> I'm attempting to send 4K 16 bit words over the SPI bus at 24Mhz.
> Theoretically it possible, but I've noticed that there is a clock gap
> between words. Does anyone have any experience on how to reduce or
> eliminate this gap? I've discovered a 'turbo' mode, but haven't
> really noticed a reduction in gap size.
>
> Thanks
>
> --
> David G. Baur
> 505 286-0293 h
> 505 284-8031 w
> 505 362-4443 c
>
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Exclusive live event will cover all the ways today's security and
threat landscape has changed and how IT managers can respond. Discussions
will include endpoint security, mobile security and the latest in malware
threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/
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surprised!
-----Original Message-----
From: AKS [mailto:aungkyas@...]
Sent: Saturday, 23 June 2012 10:01 AM
To: General mailing list for gumstix users.
Subject: Re: [Gumstix-users] SPI interword gap
Hi
How about bit bashing, switching on and off the GPIO ports instead of
using SPI hardware registers? Then you can control everything.
On 6/22/12, David Baur <dgbaur@...> wrote:
> I'm attempting to send 4K 16 bit words over the SPI bus at 24Mhz.
> Theoretically it possible, but I've noticed that there is a clock gap
> between words. Does anyone have any experience on how to reduce or
> eliminate this gap? I've discovered a 'turbo' mode, but haven't
> really noticed a reduction in gap size.
>
> Thanks
>
> --
> David G. Baur
> 505 286-0293 h
> 505 284-8031 w
> 505 362-4443 c
>
--------------------------------------------------------------------------
----
Live Security Virtual Conference
Exclusive live event will cover all the ways today's security and threat
landscape has changed and how IT managers can respond. Discussions will
include endpoint security, mobile security and the latest in malware
threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/
_______________________________________________
gumstix-users mailing list
gumstix-users@...
https://lists.sourceforge.net/lists/listinfo/gumstix-users
------------------------------------------------------------------------------
Live Security Virtual Conference
Exclusive live event will cover all the ways today's security and
threat landscape has changed and how IT managers can respond. Discussions
will include endpoint security, mobile security and the latest in malware
threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/
_______________________________________________
gumstix-users mailing list
gumstix-users@...
https://lists.sourceforge.net/lists/listinfo/gumstix-users
« Return to Thread: SPI interword gap
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