From: Johan Borkhuis <j.borkhuis@domain.hid>
To: Josh Zhao <joshsystem@domain.hid>
Cc: adeos-main@gna.org, xenomai@xenomai.org
Subject: Re: [Xenomai-core] [Adeos-main] RTDM without mmap
Date: Fri, 11 Apr 2008 08:13:47 +0200 [thread overview]
Message-ID: <47FF019B.5070200@domain.hid> (raw)
In-Reply-To: <a7575bba0804101814o9bd5a9aobd9ecf4c42d90da9@domain.hid>
Josh Zhao wrote:
> Thanks.
> So you mean I have to invoke ipipe api directly in xenomai?
>
No, if you look at the driver code you will see that this is a
"standard" Linux driver, with the regular mmap handling, and not a
Xenomai/RTDM driver. The only difference with a between this driver and
a regular Linux driver is the fact that IPIPE is used for interrupt
handling.
> 2008/4/11, Hannes Mayer <h.mayer@domain.hid>:
>
>> Josh Zhao wrote:
>>
>>> Hi all,
>>> I want to write mmap driver for spending up to exchange data
>>> between kernel and user,but i havn't seen the mmap field in RTDM
>>>
>> structure.
>>
>>
>> http://www.captain.at/adeos-ipipe-device-driver-mmap.php :-)
>>
Regards,
Johan
next prev parent reply other threads:[~2008-04-11 6:13 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-04-10 10:25 [Adeos-main] RTDM without mmap Josh Zhao
2008-04-10 18:24 ` Hannes Mayer
2008-04-11 1:14 ` [Xenomai-core] " Josh Zhao
2008-04-11 4:40 ` Hannes Mayer
2008-04-11 6:13 ` Johan Borkhuis [this message]
2008-04-11 10:23 ` [Xenomai-core] " Josh Zhao
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