/**@brief Software interrupt handler (using EGU). */
static void nrf_drv_swi_process(nrf_swi_t swi)
{
ASSERT(m_swi_handlers[swi - SWI_START_NUMBER]);
nrf_swi_flags_t flags = 0;
NRF_EGU_Type * NRF_EGUx = egu_instance_get(swi);
for (uint8_t i = 0; i < NRF_EGU_CHANNEL_COUNT; ++i)
{
nrf_egu_event_t egu_event = nrf_egu_event_triggered_get(i);
if (nrf_egu_event_check(NRF_EGUx, egu_event))
{
flags |= (1u << i);
nrf_egu_event_clear(NRF_EGUx, egu_event);
}
}
m_swi_handlers[swi - SWI_START_NUMBER](swi, flags);
}
void SWI_IRQHandler(void)
{
if (nrf_egu_event_check(SWI_EGU, NTF_EVENT))
{
nrf_egu_event_clear(SWI_EGU, NTF_EVENT);
while (!ntf_queue_is_empty())
{
nrf_drv_radio802154_ntf_data_t * p_slot = &m_ntf_queue[m_ntf_r_ptr];
switch (p_slot->type)
{
case NTF_TYPE_RECEIVED:
nrf_drv_radio802154_received_raw(p_slot->data.received.p_psdu,
p_slot->data.received.power,
p_slot->data.received.lqi);
break;
case NTF_TYPE_RECEIVE_FAILED:
nrf_drv_radio802154_receive_failed(p_slot->data.receive_failed.error);
break;
case NTF_TYPE_TRANSMITTED:
nrf_drv_radio802154_transmitted_raw(p_slot->data.transmitted.p_psdu,
p_slot->data.transmitted.power,
p_slot->data.transmitted.lqi);
break;
case NTF_TYPE_TRANSMIT_FAILED:
nrf_drv_radio802154_transmit_failed(p_slot->data.transmit_failed.error);
break;
case NTF_TYPE_ENERGY_DETECTED:
nrf_drv_radio802154_energy_detected(p_slot->data.energy_detected.result);
break;
case NTF_TYPE_CCA:
nrf_drv_radio802154_cca_done(p_slot->data.cca.result);
break;
default:
assert(false);
}
ntf_queue_ptr_increment(&m_ntf_r_ptr);
}
}
if (nrf_egu_event_check(SWI_EGU, TIMESLOT_EXIT_EVENT))
{
nrf_raal_continuous_mode_exit();
nrf_egu_event_clear(SWI_EGU, TIMESLOT_EXIT_EVENT);
}
if (nrf_egu_event_check(SWI_EGU, REQ_EVENT))
{
nrf_egu_event_clear(SWI_EGU, REQ_EVENT);
while (!req_queue_is_empty())
{
nrf_drv_radio802154_req_data_t * p_slot = &m_req_queue[m_req_r_ptr];
nrf_drv_radio802154_critical_section_enter();
switch (p_slot->type)
{
case REQ_TYPE_SLEEP:
*(p_slot->data.sleep.p_result) = nrf_drv_radio802154_fsm_sleep();
break;
case REQ_TYPE_RECEIVE:
*(p_slot->data.receive.p_result) = nrf_drv_radio802154_fsm_receive();
break;
case REQ_TYPE_TRANSMIT:
*(p_slot->data.transmit.p_result) = nrf_drv_radio802154_fsm_transmit(
p_slot->data.transmit.p_data,
p_slot->data.transmit.cca);
break;
case REQ_TYPE_ENERGY_DETECTION:
*(p_slot->data.energy_detection.p_result) =
nrf_drv_radio802154_fsm_energy_detection(
p_slot->data.energy_detection.time_us);
break;
case REQ_TYPE_CCA:
*(p_slot->data.cca.p_result) = nrf_drv_radio802154_fsm_cca();
break;
case REQ_TYPE_CONTINUOUS_CARRIER:
*(p_slot->data.continuous_carrier.p_result) =
nrf_drv_radio802154_fsm_continuous_carrier();
break;
case REQ_TYPE_BUFFER_FREE:
nrf_drv_radio802154_fsm_notify_buffer_free(p_slot->data.buffer_free.p_data);
break;
case REQ_TYPE_CHANNEL_UPDATE:
nrf_drv_radio802154_fsm_channel_update();
break;
case REQ_TYPE_CCA_CFG_UPDATE:
nrf_drv_radio802154_fsm_cca_cfg_update();
break;
default:
assert(false);
}
nrf_drv_radio802154_critical_section_exit();
req_queue_ptr_increment(&m_req_r_ptr);
}
}
}
void nrf_drv_radio802154_swi_timeslot_exit(void)
{
assert(!nrf_egu_event_check(SWI_EGU, TIMESLOT_EXIT_EVENT));
nrf_egu_task_trigger(SWI_EGU, TIMESLOT_EXIT_TASK);
}