X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=src%2Favr%2Fao_spi_slave.c;h=15e9924da5d6f20c4b1b454a3393d3fea9d23c31;hb=0ff5f0fbc4900ad45bb7910ffc0c5a4e4cc4b857;hp=a400b8a0a929f0485b8d8da894f43c17ec098f79;hpb=4d6d90e15db30991bf81060a0876ae8adb843c75;p=fw%2Faltos 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;