Re: Timer 0
Victor Yodaiken <[email protected]> Wed, 4 May 2005 07:23:56 -0600
| Newsgroups | gmane.linux.real-time.rtlinux.general |
|---|---|
| Organization | FSM Labs |
| Message-ID | <[email protected]> |
That is done automatically if you use RTL clock_nanosleep. If the scheduler overhead is too great, take a look at the scheduler and use the operations to directly call your handler from the clock. On Thu, Apr 28, 2005 at 11:35:29AM -0400, Ed Lankford wrote: > For a data acquisition program, what would be the effects of reprogramming > the timer 0 (change the countdown value) and the corresponding interrupt > vector address to point to my hardware handler routine from within a RT > thread? I would do this for a few seconds and then return both to their > prior settings. This is what I used to do in a DOS program for very good > interrupt timing. I also disabled all other interrupts for those critical > seconds, and read the CMOS clock and updated the system time of day clock > when finished. Thanks. > > Ed > > _______________________________________________ > Rtl mailing list > [email protected] > http://hq.fsmlabs.com/mailman/listinfo/rtl > http:/www.rtlinux-gpl.org/ -- --------------------------------------------------------- Victor Yodaiken Finite State Machine Labs: The RTLinux Company. www.fsmlabs.com www.rtlinux.com 1+ 505 838 9109 _______________________________________________ Rtl mailing list [email protected] http://hq.fsmlabs.com/mailman/listinfo/rtl http:/www.rtlinux-gpl.org/