Micro controllers usually have hardware timers which may be used to generate square wave pulses with the resolution of the clock frequency. The hardware is simple cheap and beat even a very fast modern computer.
> On 02/02/2016 06:24 PM, W. Martinjak wrote: > > How far is the development of lcnc on raspi/arm? > LinuxCNC has been running on the Beagle Bone Black for > several years. It is mostly the same codebase as LinuxCNC, > except for running on the Prempt-RT kernel (I think I got > that right). > The Beagle Bone Black has a pair of 200 MHz microcontrollers > that are used to handle step generation and other low-level > I/O tasks at much faster speeds than the Linux CPU can deal > with them. Great for software step generation. The Pi does > not have these microcontrollers. > > Would this [1] work with bare lcnc installation. > > > > > No, the regular LinuxCNC distribution is for an X86 > platform, only. Machinekit is the distro for the Beagle. > I think people have gotten it running on the Raspberry, but > the I/O on that board is VERY limited. > > Jon > > ------------------------------------------------------------------------------ > Site24x7 APM Insight: Get Deep Visibility into Application Performance > APM + Mobile APM + RUM: Monitor 3 App instances at just $35/Month > Monitor end-to-end web transactions and take corrective actions now > Troubleshoot faster and improve end-user experience. Signup Now! > http://pubads.g.doubleclick.net/gampad/clk?id=267308311&iu=/4140 > _______________________________________________ > Emc-developers mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/emc-developers ------------------------------------------------------------------------------ Site24x7 APM Insight: Get Deep Visibility into Application Performance APM + Mobile APM + RUM: Monitor 3 App instances at just $35/Month Monitor end-to-end web transactions and take corrective actions now Troubleshoot faster and improve end-user experience. Signup Now! http://pubads.g.doubleclick.net/gampad/clk?id=267308311&iu=/4140 _______________________________________________ Emc-developers mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-developers
