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There are $100 FPGA PCI cards to do exactly this, that's how most commercial systems do it.
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Oct 14, 2014 16:06
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rotor posted:is this actually a problem or is this just that people dont want to deal with OS licensing and expense? The linux kernel just wasn't designed for realtime use, scheduling and interrupt handling are well integrated and limit achievable timing constraints. Projects like RTAI improve things quite a bit (I think this is what linuxcnc uses) but systems that are designed for determinism from the ground up tend to do better. e: this is also why lots of old Windows software that uses serial or parallel ports doesn't work with USB->Parallel adapters, the latency added for USB devices means that the timing gets changed too much.
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Oct 16, 2014 10:50
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