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cpu/cc2538: Flush the RX FIFO (if overflowed) after a receive

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This commit is contained in:
Matthew Bradbury 2020-04-20 12:41:24 +01:00
parent bcfb437746
commit ba51e90228
1 changed files with 7 additions and 1 deletions
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8
cpu/cc2538/radio/cc2538_rf_netdev.c
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@ -371,7 +371,13 @@ static int _recv(netdev_t *netdev, void *buf, size_t len, void *info)
(CC2538_CORR_VAL_MAX - CC2538_CORR_VAL_MIN);
}
RFCORE_SFR_RFST = ISFLUSHRX;
/* Check for overflow of the rx fifo */
if (RFCORE->XREG_FSMSTAT1bits.FIFOP != 0 &&
RFCORE->XREG_FSMSTAT1bits.FIFO == 0)
{
DEBUG_PRINT("cc2538_rf: RXFIFO Overflow\n");
RFCORE_SFR_RFST = ISFLUSHRX;
}
return pkt_len;
}