From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <508AC31B.8070805@xenomai.org> Date: Fri, 26 Oct 2012 19:06:35 +0200 From: Gilles Chanteperdrix MIME-Version: 1.0 References: <508AA828.8050702@xenomai.org> In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Subject: Re: [Xenomai] Seeking recommendations for SBC with precision timer List-Id: Discussions about the Xenomai project List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Howard Lee Harkness Cc: Xenomai@xenomai.org On 10/26/2012 06:34 PM, Howard Lee Harkness wrote: > Ah, that looks like it might be the solution. Need to dig a bit deeper on > this subject. If you use the the RTDM API, you would use the rtdm_task_busy_sleep routine: http://www.xenomai.org/documentation/xenomai-2.6/html/api/group__rtdmtask.html#gaa3940cfff7cc72d7bc064a3e279d74ac > > Back last time I was doing this sort of thing, I was using a 286, which > didn't have a TSC. Plus I only had to do about 500 us resolution on the > timings. I contracted with a friend to do a simple countdown timer for the > PC bus, which did the trick. That was more than 15 years ago. The > semiconductor testing business has gotten a little more complex since then. I have to admit that when I had a 286, I was still in high-school and programming it in Turbo Pascal for plotting function graphs for my math assignments... -- Gilles.