altos: Add driver for 74hc165 shift register
authorKeith Packard <keithp@keithp.com>
Sun, 9 Jun 2013 16:53:07 +0000 (09:53 -0700)
committerKeith Packard <keithp@keithp.com>
Sun, 9 Jun 2013 16:53:07 +0000 (09:53 -0700)
Just reads one byte from the shift register using the SPI driver and returns it

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

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