On 15 July 2012 14:45, Gene Heskett <ghesk...@wdtv.com> wrote: > But the internal calculations for velocity etc are done at the servo > threads granularity of nominally 1 millisecond. So there is no chance of > the figures being accurate when the count may be up to a millisecond old.
The counts shouldn't be more than a thread-dither old (10uS or so). The calculation function reads the latest count from the base thread functions (possibly a base-thread old). The FPGA in the Pico card being discussed here ought to make an even better job at being up-to-date. -- atp If you can't fix it, you don't own it. http://www.ifixit.com/Manifesto ------------------------------------------------------------------------------ Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
