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drivers: ieee802154_nrf5: Handle RX timestamp

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Obtain RX time from the radio driver. Fill the `net_pkt` with
a timestamp if `NET_PKT_TIMESTAMP` is enabled.

Signed-off-by: Robert Lubos <robert.lubos@nordicsemi.no>
This commit is contained in:
Robert Lubos 2020-04-03 09:38:15 +02:00 • committed by Carles Cufí
commit a4f704d2ec
2 changed files with 14 additions and 1 deletions
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14
drivers/ieee802154/ieee802154_nrf5.c
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@ -110,6 +110,16 @@ static void nrf5_rx_thread(void *arg1, void *arg2, void *arg3)
net_pkt_set_ieee802154_lqi(pkt, rx_frame->lqi);
net_pkt_set_ieee802154_rssi(pkt, rx_frame->rssi);
#if defined(CONFIG_NET_PKT_TIMESTAMP)
struct net_ptp_time timestamp = {
.second = rx_frame->time / USEC_PER_SEC,
.nanosecond =
(rx_frame->time % USEC_PER_SEC) * NSEC_PER_USEC
};
net_pkt_set_timestamp(pkt, &timestamp);
#endif
LOG_DBG("Caught a packet (%u) (LQI: %u)",
pkt_len, rx_frame->lqi);
@ -531,7 +541,8 @@ int nrf5_configure(struct device *dev, enum ieee802154_config_type type,
/* nRF5 radio driver callbacks */
void nrf_802154_received_raw(uint8_t *data, int8_t power, uint8_t lqi)
void nrf_802154_received_timestamp_raw(uint8_t *data, int8_t power, uint8_t lqi,
uint32_t time)
{
for (u32_t i = 0; i < ARRAY_SIZE(nrf5_data.rx_frames); i++) {
if (nrf5_data.rx_frames[i].psdu != NULL) {
@ -539,6 +550,7 @@ void nrf_802154_received_raw(uint8_t *data, int8_t power, uint8_t lqi)
}
nrf5_data.rx_frames[i].psdu = data;
nrf5_data.rx_frames[i].time = time;
nrf5_data.rx_frames[i].rssi = power;
nrf5_data.rx_frames[i].lqi = lqi;

1
drivers/ieee802154/ieee802154_nrf5.h
View file

@ -17,6 +17,7 @@
struct nrf5_802154_rx_frame {
void *fifo_reserved; /* 1st word reserved for use by fifo. */
u8_t *psdu; /* Pointer to a received frame. */
u32_t time; /* RX timestamp. */
u8_t lqi; /* Last received frame LQI value. */
s8_t rssi; /* Last received frame RSSI value. */
};