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Merge pull request #10725 from jia200x/pr/cc2420_inline_flush

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drivers/cc2420: move flush sequence to inline function
This commit is contained in:
Marian Buschsieweke 2019-01-08 14:49:58 +01:00 committed by GitHub
commit 19073742b2
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1 changed files with 10 additions and 2 deletions
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12
drivers/cc2420/cc2420.c
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@ -158,6 +158,15 @@ void cc2420_tx_exec(cc2420_t *dev)
} }
} }
static inline void _flush_rx_fifo(cc2420_t *dev)
{
/* as stated in the CC2420 datasheet (section 14.3), the SFLUSHRX command
* strobe should be issued twice to ensure that the SFD pin goes back to its
* idle state */
cc2420_strobe(dev, CC2420_STROBE_FLUSHRX);
cc2420_strobe(dev, CC2420_STROBE_FLUSHRX);
}
int cc2420_rx(cc2420_t *dev, uint8_t *buf, size_t max_len, void *info) int cc2420_rx(cc2420_t *dev, uint8_t *buf, size_t max_len, void *info)
{ {
(void)info; (void)info;
@ -202,8 +211,7 @@ int cc2420_rx(cc2420_t *dev, uint8_t *buf, size_t max_len, void *info)
} }
/* finally flush the FIFO */ /* finally flush the FIFO */
cc2420_strobe(dev, CC2420_STROBE_FLUSHRX); _flush_rx_fifo(dev);
cc2420_strobe(dev, CC2420_STROBE_FLUSHRX);
} }
return (int)len; return (int)len;