diff options
| -rw-r--r-- | src/avr/ao_spi_slave.c | 10 | ||||
| -rw-r--r-- | src/core/ao.h | 4 |
2 files changed, 8 insertions, 6 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; diff --git a/src/core/ao.h b/src/core/ao.h index df5bbf48..ce0bf5d1 100644 --- a/src/core/ao.h +++ b/src/core/ao.h @@ -299,10 +299,10 @@ ao_altitude_to_pa(alt_t alt); */ uint8_t -ao_spi_slave_recv(uint8_t *buf, uint8_t len); +ao_spi_slave_recv(void *buf, uint16_t len); void -ao_spi_slave_send(uint8_t *buf, uint8_t len); +ao_spi_slave_send(void *buf, uint16_t len); void ao_spi_slave_init(void); |