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drivers: ieee802154_nrf5: Implement energy scan function of the nrf5 driver

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Implement function and necessary callbacks to handle Energy Scan feature
of the nRF radio driver needed by some radio stacks.

Signed-off-by: Marek Porwisz <marek.porwisz@nordicsemi.no>
This commit is contained in:
Marek Porwisz 2020-02-25 11:17:45 +01:00 • committed by Jukka Rissanen
commit 4ca9b42fbe
2 changed files with 54 additions and 1 deletions
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50
drivers/ieee802154/ieee802154_nrf5.c
View file

@ -145,7 +145,8 @@ drop:
static enum ieee802154_hw_caps nrf5_get_capabilities(struct device *dev)
{
return IEEE802154_HW_FCS | IEEE802154_HW_2_4_GHZ |
IEEE802154_HW_TX_RX_ACK | IEEE802154_HW_FILTER;
IEEE802154_HW_TX_RX_ACK | IEEE802154_HW_FILTER |
IEEE802154_HW_ENERGY_SCAN;
}
@ -183,6 +184,28 @@ static int nrf5_set_channel(struct device *dev, u16_t channel)
return 0;
}
static int nrf5_energy_scan_start(struct device *dev,
u16_t duration,
energy_scan_done_cb_t done_cb)
{
int err = 0;
ARG_UNUSED(dev);
if (nrf5_data.energy_scan_done == NULL) {
nrf5_data.energy_scan_done = done_cb;
if (nrf_802154_energy_detection(duration * 1000) == false) {
nrf5_data.energy_scan_done = NULL;
err = -EPERM;
}
} else {
err = -EALREADY;
}
return err;
}
static int nrf5_set_pan_id(struct device *dev, u16_t pan_id)
{
u8_t pan_id_le[2];
@ -541,6 +564,28 @@ void nrf_802154_cca_failed(nrf_802154_cca_error_t error)
k_sem_give(&nrf5_data.cca_wait);
}
void nrf_802154_energy_detected(uint8_t result)
{
if (nrf5_data.energy_scan_done != NULL) {
s16_t dbm;
energy_scan_done_cb_t callback = nrf5_data.energy_scan_done;
nrf5_data.energy_scan_done = NULL;
dbm = nrf_802154_dbm_from_energy_level_calculate(result);
callback(net_if_get_device(nrf5_data.iface), dbm);
}
}
void nrf_802154_energy_detection_failed(nrf_802154_ed_error_t error)
{
if (nrf5_data.energy_scan_done != NULL) {
energy_scan_done_cb_t callback = nrf5_data.energy_scan_done;
nrf5_data.energy_scan_done = NULL;
callback(net_if_get_device(nrf5_data.iface), SHRT_MAX);
}
}
static const struct nrf5_802154_config nrf5_radio_cfg = {
.irq_config_func = nrf5_irq_config,
};
@ -556,6 +601,9 @@ static struct ieee802154_radio_api nrf5_radio_api = {
.start = nrf5_start,
.stop = nrf5_stop,
.tx = nrf5_tx,
#ifdef CONFIG_NET_L2_OPENTHREAD
.ed_scan = nrf5_energy_scan_start,
#endif /* CONFIG_NET_L2_OPENTHREAD */
.configure = nrf5_configure,
};

5
drivers/ieee802154/ieee802154_nrf5.h
View file

@ -65,6 +65,11 @@ struct nrf5_802154_data {
* ACK was requested/received.
*/
struct nrf5_802154_rx_frame ack_frame;
/* Callback handler of the currently ongoing energy scan.
* It shall be NULL if energy scan is not in progress.
*/
energy_scan_done_cb_t energy_scan_done;
};
#endif /* ZEPHYR_DRIVERS_IEEE802154_IEEE802154_NRF5_H_ */