#include "ao.h"
uint8_t
-ao_spi_read(uint8_t *buf, uint8_t len)
+ao_spi_slave_recv(uint8_t *buf, uint8_t len)
{
while (len--) {
while (!(SPSR & (1 << SPIF)))
}
void
-ao_spi_write(uint8_t *buf, uint8_t len)
+ao_spi_slave_send(uint8_t *buf, uint8_t len)
{
while (len--) {
SPDR = *buf++;