• Alessandro Rubini's avatar
    userspace: clean up lm32-vuart · 254c359b
    Alessandro Rubini authored
    lm32-vuart was destroying the tty it was run into. And ctrl-C was
    not working (the initial message "press ctrl-A" was not really
    visible).
    
    This removes part of the cruft of the program. It also adds a little
    delay when no bytes are there to read from FPGA to releaf a little
    the load on the ARM CPU.
    Signed-off-by: Alessandro Rubini's avatarAlessandro Rubini <rubini@gnudd.com>
    254c359b
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