altos/avr: Clear SPI receive buffer before clocking new data in
authorKeith Packard <keithp@keithp.com>
Wed, 12 Oct 2011 00:10:45 +0000 (18:10 -0600)
committerKeith Packard <keithp@keithp.com>
Wed, 12 Oct 2011 00:57:32 +0000 (18:57 -0600)
commit3a28846d3ff8f82b0e97c211b9debf6d67ee5af5
tree58c5afcde285cc2b140e0fe541dfe081e9e2b8cd
parente60c470b426b7be08a33133e7d8c94201d7e96d4
altos/avr: Clear SPI receive buffer before clocking new data in

I don't know why this is necessary, but the receive buffer gets
'extra' data added somehow.

Signed-off-by: Keith Packard <keithp@keithp.com>
src/avr/ao_spi_usart.c