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SETUP:

  Attach an EC to the build host using an FTDI USB-to-SPI adapter.

BUILD:

  make
  ./prog


USAGE:

  Usage: ./prog [-v] [-c BYTES]

  This sends a EC_CMD_HELLO host command. The -c option can
  be used to truncate the exchange early, to see how the EC
  deals with the interruption.

NOTE:

  Ubuntu Trusty uses an ancient version of libftdi.

  If building outside of the Chromium chroot, you'll probably want to grab the
  latest libftdi1-1.2.tar.bz2 from

    http://www.intra2net.com/en/developer/libftdi/

  and install it into /usr instead.