sorry ，before I did not say clearly。It is Every 500Millisecond gpio send an interrupt At 2013-06-02 00:57:27,"Michael Haberler" <[email protected]> wrote: >things are coming together: > >Anfang der weitergeleiteten Nachricht: > >> Von: Charles Steinkuehler <[email protected]> >> Betreff: [Emc-users] BeagleBone + BeBoPr 3D Printing >> Datum: 01. Juni 2013 18:39:24 MESZ >> An: "Enhanced Machine Controller (EMC)" <[email protected]> >> Antwort an: "Enhanced Machine Controller \(EMC\)" >> <[email protected]> >> >> -----BEGIN PGP SIGNED MESSAGE----- >> Hash: SHA1 >> >> So I finally got enough of the pieces put together to run a print on >> my MendelMax 3D printer using the BeagleBone with the BeBoPr cape and >> LinuxCNC. This is using the 3.2 Xenomai kernel from Michael Haberler >> to get LinuxCNC working well on the 'Bone, and custom PRU code doing >> step/dir and pwm generation. Thanks also to Ian for the bb_gpio >> module, which came in very handy. >> >> Video or it didn't happen... >> >> My first ever 3D print from the BeagleBone, second print using >> LinuxCNC (the first LinuxCNC print used an x86 running preempt-rt). >> The X axis is mirrored and the configuration and slicing settings need >> to be tweaked to improve print quality, but overall it came out pretty >> good: >> >> http://www.youtube.com/watch?v=n2IoHOZipLU >> >> ...I particularly like the acceleration control in LinuxCNC. It seems >> smoother than the Arduino code. Now if I could just get a slicing >> program that outputs true arcs and nurbs... :) >> >> Code is in the arm335x-hal-pru-tasks branch of Michael's git repository: >> >> http://git.mah.priv.at/gitweb?p=emc2-dev.git;a=shortlog;h=refs/heads/arm335x-hal-pru-tasks >> >> Up next is the great migration to a 3.8 kernel, where I get to craft >> the magic device tree fragments necessary to get this all working again. >> >> - -- >> Charles Steinkuehler >> [email protected] >> -----BEGIN PGP SIGNATURE----- >> Version: GnuPG v1.4.11 (MingW32) >> Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ >> >> iEYEARECAAYFAlGqI7sACgkQLywbqEHdNFwEkwCgw6n50qq9fP9lQLltBwTTp/0u >> rm8AoMU5hhohJljA6gpu5T+wsE/sOAES >> =6IRC >> -----END PGP SIGNATURE----- >> >> ------------------------------------------------------------------------------ >> Get 100% visibility into Java/.NET code with AppDynamics Lite >> It's a free troubleshooting tool designed for production >> Get down to code-level detail for bottlenecks, with <2% overhead. >> Download for free and get started troubleshooting in minutes. >> http://p.sf.net/sfu/appdyn_d2d_ap2 >> _______________________________________________ >> Emc-users mailing list >> [email protected] >> https://lists.sourceforge.net/lists/listinfo/emc-users > > >_______________________________________________ >Xenomai mailing list >[email protected] >http://www.xenomai.org/mailman/listinfo/xenomai
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