On 4/19/2010 4:17 PM, EBo wrote: <<<<a bunch of stuff deleted>>>> > EMC2 is already considered "hard" real time by most people, if you >> choose your motherboard and set up the computer properly. >> >> If you are not aware of the Pico Systems and Mesa products, and think >> all EMC2 users are using software generated step pulses through the >> parallel port, you need to check out what has been done. I (Pico >> Systems) have been making servo interfaces for EMC since 2001. >> > true, but the FPGA could be standalone and more easy to harden than a > commodity off-the-shelf PC in an industrial shop context, and might well be a > lot cheaper. > > EBo -- > > You still need the PC for the interpreter and the GUI, though. So the tradeoff has to do with how much is moved to the FPGA (both Pico and Mesa use FPGAs). Leaving as much as possible in the PC gives the most flexibility when we want to revise the software.
Ken -- Kenneth Lerman 55 Main Street Newtown, CT 06470 203-426-3769 ------------------------------------------------------------------------------ Download Intel® Parallel Studio Eval Try the new software tools for yourself. Speed compiling, find bugs proactively, and fine-tune applications for parallel performance. See why Intel Parallel Studio got high marks during beta. http://p.sf.net/sfu/intel-sw-dev _______________________________________________ Emc-developers mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-developers
