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authorKeith Packard <keithp@keithp.com>2013-02-24 00:20:54 -0800
committerKeith Packard <keithp@keithp.com>2013-02-24 00:20:54 -0800
commit2120d362cefceba69e75996b6391d9558978c01d (patch)
tree6382a7e3ac47779e13ffea66601290fad2182536 /src/avr/ao_spi_slave.c
parent5246acb70b79980de36bd5d0ba0d017529ae9a78 (diff)
parenta04c4f7b07e97d568f8f6f56dd363329817fb52c (diff)
Merge branch 'telescience-v0.2'
Diffstat (limited to 'src/avr/ao_spi_slave.c')
-rw-r--r--src/avr/ao_spi_slave.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/src/avr/ao_spi_slave.c b/src/avr/ao_spi_slave.c
index a400b8a0..15e9924d 100644
--- a/src/avr/ao_spi_slave.c
+++ b/src/avr/ao_spi_slave.c
@@ -18,22 +18,24 @@
#include "ao.h"
uint8_t
-ao_spi_slave_recv(uint8_t *buf, uint8_t len)
+ao_spi_slave_recv(void *buf, uint16_t len)
{
+ uint8_t *b = buf;
while (len--) {
while (!(SPSR & (1 << SPIF)))
if ((PINB & (1 << PINB0)))
return 0;
- *buf++ = SPDR;
+ *b++ = SPDR;
}
return 1;
}
void
-ao_spi_slave_send(uint8_t *buf, uint8_t len)
+ao_spi_slave_send(void *buf, uint16_t len)
{
+ uint8_t *b = buf;
while (len--) {
- SPDR = *buf++;
+ SPDR = *b++;
while (!(SPSR & (1 << SPIF)))
if ((PINB & (1 << PINB0)))
return;