altos: Provide interface for STM LCD driver.
authorKeith Packard <keithp@keithp.com>
Mon, 27 Aug 2012 20:34:12 +0000 (13:34 -0700)
committerKeith Packard <keithp@keithp.com>
Mon, 27 Aug 2012 20:34:12 +0000 (13:34 -0700)
This provides a simple function interface for driving the LCD segments
in the STM chip. It also uses the update complete interrupt to block
LCD users during flush.

Signed-off-by: Keith Packard <keithp@keithp.com>

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