From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <470202BA.4070206@domain.hid> Date: Tue, 02 Oct 2007 10:35:06 +0200 MIME-Version: 1.0 References: <4701E7FE.4090406@domain.hid> <4701FBE2.7010309@domain.hid> In-Reply-To: <4701FBE2.7010309@domain.hid> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit From: Roland Tollenaar Subject: Re: [Xenomai-help] rt usb Reply-To: rolandtollenaar@domain.hid List-Id: Help regarding installation and common use of Xenomai List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Jan Kiszka Cc: Xenomai-help@domain.hid Hi Jan, >> Is any documentation available which clarifies why usb is a problem >> and how big the problem is (perhaps I can risk it?:) ) > > No longer at hand (a former student of mine did his diploma thesis about > usb4rt). Pity. >Generally, there is no real show-stopper, we "just" need a > real-time-aware stack that provides appropriate API (e.g. to So, if I run CAN over USB from a rt thread there is a chance that even though it is not rt-safe, it may not screw up latency? I realize that this will seem pointless and is technically incorrect but if for example the USB device is not addressed by any other processes, what is the chance that I will have problems? Regards, Roland > > Jan >