From: Bernhard Walle <bernhard.walle@domain.hid>
To: xenomai@xenomai.org
Subject: [Xenomai-help] Re: RTDM driver questions
Date: Mon, 8 May 2006 00:21:06 +0200 [thread overview]
Message-ID: <if82j3-9ug.ln1@domain.hid> (raw)
In-Reply-To: 200605072202.22555.witzel.thomas@domain.hid
Hi Thomas,
Thomas Witzel <witzel.thomas@domain.hid> [2006-05-07]:
>
> > Generally spoken, mmap can make sense if you have a significant amount
> > of data to transfer, not "just" a few kbyte/s. RTDM has the elementary
> > support for such device interfaces now, and this has already been used
> > for a frame-grabbing driver.
> What would be the proper procedure for just a few kbytes ? I expect less than
> 500 kB./second in my application.
Simply read() / write() ?
Regards,
Bernhard
--
Das Telefon hat zu viele ernsthaft zu bedenkende Mängel für ein
Kommunikationsmittel. Das Gerät ist von Natur aus von keinem Wert für
uns. -- »Western Union«, Interne Meldung (1876)
next prev parent reply other threads:[~2006-05-07 22:21 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-05-07 15:14 [Xenomai-help] RTDM driver questions witzel.thomas
2006-05-07 21:38 ` Jan Kiszka
2006-05-07 22:02 ` Thomas Witzel
2006-05-07 22:21 ` Bernhard Walle [this message]
2006-05-21 21:19 ` [Xenomai-help] " Thomas Witzel
2006-05-23 9:13 ` Jan Kiszka
2006-05-23 20:29 ` Thomas Witzel
2006-05-23 20:51 ` Jan Kiszka
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