Implemented usb_poll() within LF sim. #77
Merged
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This means the LF sim will be aborted whenever something comes over the USB. This is probably a good thing, but I haven't tested it very thorougly, so I don't know if the check could possibly cause us to miss a beat in the simulation. The
usb_poll
-check looks like it is very quick, checking ARM-registers, but in the borderline between hardware and software, I'm never too sure...