static void
flushrx(void)
{
uint8_t dummy;
CC2420_READ_FIFO_BYTE(dummy);
CC2420_STROBE(CC2420_SFLUSHRX);
CC2420_STROBE(CC2420_SFLUSHRX);
}
/* Encrypt at most 16 bytes of data. */
static void
cipher16(uint8_t *data, int len)
{
uint8_t status;
len = MIN(len, MAX_DATALEN);
CC2420_WRITE_RAM(data, CC2420RAM_SABUF, len);
CC2420_STROBE(CC2420_SAES);
/* Wait for the encryption to finish */
do {
CC2420_GET_STATUS(status);
} while(status & BV(CC2420_ENC_BUSY));
CC2420_READ_RAM(data, CC2420RAM_SABUF, len);
}
/*---------------------------------------------------------------------------*/
static void
strobe(enum cc2420_register regname)
{
CC2420_STROBE(regname);
}