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forwarded message from dai hongbo

To: ecos-discuss at sources dot redhat dot com
Subject: [ECOS] forwarded message from dai hongbo
From: Jesper Skov <jskov at cambridge dot redhat dot com>
Date: Thu, 5 Jul 2001 08:01:38 +0200

To: Jesper Skov <jskov at cambridge dot redhat dot com>
Subject: Re:Re: [ECOS] how to do nanosecond delay in ecos?
From: "dai hongbo" <dai_ecos at 263 dot net>
Date: Thu, 5 Jul 2001 08:37:18 +0800 (CST)

  maybe i'm wrong,how about usecond?that is needed for a device driver?

>>>>>> "dai" == dai hongbo <dai_ecos@263.net> writes:
>
>dai>  is there a way to do precise delay of nanosecond?
>
>No. The finest resolution is micro seconds, which can achieved by
>useing the CYGACC_CALL_IF_DELAY_US macro.
>
>FWIW I don't believe there's any _embedded_ CPU that's actually
>capable of executing a whole instruction in a nanosecond. Yet.
>
>Jesper

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