hal_nordic/drivers/nrf_802154/serialization/include/host/nrf_802154.h

932 lines
38 KiB
C

/*
* Copyright (c) 2020 - 2022, Nordic Semiconductor ASA
* All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* 3. Neither the name of Nordic Semiconductor ASA nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY, AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
*/
/**
* @file nrf_802154.h
* @brief This file mimics API provided by nrf_802154.h but provides only serialized functions.
* We are trying to keep them as simillar as currently possible.
*/
#ifndef NRF_802154_H_
#define NRF_802154_H_
#include <stdint.h>
#include <stdbool.h>
#include "nrf_802154_callouts.h"
#include "nrf_802154_config.h"
#include "nrf_802154_types.h"
/**
* @brief Timestamp value indicating that the timestamp is inaccurate.
*/
#define NRF_802154_NO_TIMESTAMP 0
/**
* @brief Invalid delayed timeslot identifier.
*/
#define NRF_802154_RESERVED_INVALID_ID UINT32_MAX
/**
* @brief Reception window identifier reserved for immediate reception.
*/
#define NRF_802154_RESERVED_IMM_RX_WINDOW_ID (UINT32_MAX - 1)
/**
* @brief Upper bound for delayed reception window identifiers used by the application.
*
* All integers ranging from 0 to @ref NRF_802154_RESERVED_DRX_ID_UPPER_BOUND (inclusive)
* can be used by the application as identifiers of delayed reception windows.
*/
#define NRF_802154_RESERVED_DRX_ID_UPPER_BOUND (UINT32_MAX - 4)
/**
* @brief Select the source matching algorithm.
*
* @note This method should be called after driver initialization, but before transceiver is enabled.
*
* When calling @ref nrf_802154_ack_data_pending_bit_should_be_set, one of several algorithms
* for source address matching will be chosen. To ensure a specific algorithm is selected,
* call this function before @ref rf_802154_ack_data_pending_bit_should_be_set.
*
* @param[in] match_method Source address matching method to be used.
*/
void nrf_802154_src_addr_matching_method_set(nrf_802154_src_addr_match_t match_method);
/**
* @brief Adds the address of a peer node for which the provided ACK data
* is to be added to the pending bit list.
*
* The pending bit list works differently, depending on the upper layer for which the source
* address matching method is selected:
* - For Thread, @ref NRF_802154_SRC_ADDR_MATCH_THREAD
* - For Zigbee, @ref NRF_802154_SRC_ADDR_MATCH_ZIGBEE
* - For Standard-compliant, @ref NRF_802154_SRC_ADDR_MATCH_ALWAYS_1
* For more information, see @ref nrf_802154_src_addr_match_t.
*
* The method can be set during initialization phase by calling @ref nrf_802154_src_addr_matching_method_set.
*
* @param[in] p_addr Array of bytes containing the address of the node (little-endian).
* @param[in] extended If the given address is an extended MAC address or a short MAC address.
* @param[in] p_data Pointer to the buffer containing data to be set.
* @param[in] length Length of @p p_data.
* @param[in] data_type Type of data to be set. Refer to the @ref nrf_802154_ack_data_t type.
*
* @retval True Address successfully added to the list.
* @retval False Not enough memory to store this address in the list.
*/
bool nrf_802154_ack_data_set(const uint8_t * p_addr,
bool extended,
const void * p_data,
uint16_t length,
nrf_802154_ack_data_t data_type);
/**
* @brief Removes the address of a peer node for which the ACK data is set from the pending bit list.
*
* The ACK data that was previously set for the given address is automatically removed.
*
* The pending bit list works differently, depending on the upper layer for which the source
* address matching method is selected:
* - For Thread, @ref NRF_802154_SRC_ADDR_MATCH_THREAD
* - For Zigbee, @ref NRF_802154_SRC_ADDR_MATCH_ZIGBEE
* - For Standard-compliant, @ref NRF_802154_SRC_ADDR_MATCH_ALWAYS_1
* For more information, see @ref nrf_802154_src_addr_match_t.
*
* The method can be set during initialization phase by calling @ref nrf_802154_src_addr_matching_method_set.
*
* @param[in] p_addr Array of bytes containing the address of the node (little-endian).
* @param[in] extended If the given address is an extended MAC address or a short MAC address.
* @param[in] data_type Type of data to be removed. Refer to the @ref nrf_802154_ack_data_t type.
*
* @retval True Address removed from the list.
* @retval False Address not found in the list.
*/
bool nrf_802154_ack_data_clear(const uint8_t * p_addr,
bool extended,
nrf_802154_ack_data_t data_type);
/**
* @brief Enables or disables setting a pending bit in automatically transmitted ACK frames.
*
* @note Setting a pending bit in automatically transmitted ACK frames is enabled by default.
*
* The radio driver automatically sends ACK frames in response frames destined for this node with
* the ACK Request bit set. The pending bit in the ACK frame can be set or cleared regarding data
* in the indirect queue destined for the ACK destination.
*
* If setting a pending bit in ACK frames is disabled, the pending bit in every ACK frame is set.
* If setting a pending bit in ACK frames is enabled, the radio driver checks if there is data
* in the indirect queue destined for the ACK destination. If there is no such data,
* the pending bit is cleared.
*
* @note Due to the ISR latency, the radio driver might not be able to verify if there is data
* in the indirect queue before ACK is sent. In this case, the pending bit is set.
*
* @param[in] enabled If setting a pending bit in ACK frames is enabled.
*/
void nrf_802154_auto_pending_bit_set(bool enabled);
/**
* @brief Adds the address of a peer node to the pending bit list.
*
* The pending bit list works differently, depending on the upper layer for which the source
* address matching method is selected:
* - For Thread, @ref NRF_802154_SRC_ADDR_MATCH_THREAD
* - For Zigbee, @ref NRF_802154_SRC_ADDR_MATCH_ZIGBEE
* - For Standard-compliant, @ref NRF_802154_SRC_ADDR_MATCH_ALWAYS_1
* For more information, see @ref nrf_802154_src_addr_match_t.
*
* The method can be set during initialization phase by calling @ref nrf_802154_src_addr_matching_method_set.
*
* @note This function makes a copy of the given address.
*
* @param[in] p_addr Array of bytes containing the address of the node (little-endian).
* @param[in] extended If the given address is an extended MAC address or a short MAC address.
*
* @retval True The address is successfully added to the list.
* @retval False Not enough memory to store the address in the list.
*/
bool nrf_802154_pending_bit_for_addr_set(const uint8_t * p_addr, bool extended);
/**
* @brief Removes address of a peer node from the pending bit list.
*
* The pending bit list works differently, depending on the upper layer for which the source
* address matching method is selected:
* - For Thread, @ref NRF_802154_SRC_ADDR_MATCH_THREAD
* - For Zigbee, @ref NRF_802154_SRC_ADDR_MATCH_ZIGBEE
* - For Standard-compliant, @ref NRF_802154_SRC_ADDR_MATCH_ALWAYS_1
* For more information, see @ref nrf_802154_src_addr_match_t.
*
* The method can be set during initialization phase by calling @ref nrf_802154_src_addr_matching_method_set.
*
* @param[in] p_addr Array of bytes containing the address of the node (little-endian).
* @param[in] extended If the given address is an extended MAC address or a short MAC address.
*
* @retval True The address is successfully removed from the list.
* @retval False No such address in the list.
*/
bool nrf_802154_pending_bit_for_addr_clear(const uint8_t * p_addr, bool extended);
/**
* @brief Removes all addresses of a given type from the pending bit list.
*
* The pending bit list works differently, depending on the upper layer for which the source
* address matching method is selected:
* - For Thread, @ref NRF_802154_SRC_ADDR_MATCH_THREAD
* - For Zigbee, @ref NRF_802154_SRC_ADDR_MATCH_ZIGBEE
* - For Standard-compliant, @ref NRF_802154_SRC_ADDR_MATCH_ALWAYS_1
* For more information, see @ref nrf_802154_src_addr_match_t.
*
* The method can be set during initialization phase by calling @ref nrf_802154_src_addr_matching_method_set.
*
* @param[in] extended If the function is to remove all extended MAC addresses or all short
* addresses.
*/
void nrf_802154_pending_bit_for_addr_reset(bool extended);
/**
* @brief Configures the radio CCA mode and threshold.
*
* @param[in] p_cca_cfg Pointer to the CCA configuration structure. Only fields relevant to
* the selected mode are updated.
*/
void nrf_802154_cca_cfg_set(const nrf_802154_cca_cfg_t * p_cca_cfg);
/**
* @brief Gets the current radio CCA configuration.
*
* @param[out] p_cca_cfg Pointer to the structure for the current CCA configuration.
*/
void nrf_802154_cca_cfg_get(nrf_802154_cca_cfg_t * p_cca_cfg);
/**
* @brief Initializes the 802.15.4 driver.
*
* This function initializes the RADIO peripheral in the @ref RADIO_STATE_SLEEP state.
*
* @note This function is to be called once, before any other functions from this module.
*/
void nrf_802154_init(void);
/**
* @brief Changes the radio state to the @ref RADIO_STATE_SLEEP state.
*
* The sleep state is the lowest power state. In this state, the radio cannot transmit or receive
* frames. It is the only state in which the driver releases the high-frequency clock and does not
* request timeslots from a radio arbiter.
*
* @note If another module requests it, the high-frequency clock may be enabled even in the radio
* sleep state.
*
* @retval true The radio changes its state to the low power mode.
* @retval false The driver could not schedule changing state.
*/
bool nrf_802154_sleep(void);
/**
* @brief Changes the radio state to the @ref RADIO_STATE_SLEEP state if the radio is idle.
*
* The sleep state is the lowest power state. In this state, the radio cannot transmit or receive
* frames. It is the only state in which the driver releases the high-frequency clock and does not
* request timeslots from a radio arbiter.
*
* @note If another module requests it, the high-frequency clock may be enabled even in the radio
* sleep state.
*
* @retval NRF_802154_SLEEP_ERROR_NONE The radio changes its state to the low power mode.
* @retval NRF_802154_SLEEP_ERROR_BUSY The driver could not schedule changing state.
*/
nrf_802154_sleep_error_t nrf_802154_sleep_if_idle(void);
/**
* @brief Changes the radio state to @ref RADIO_STATE_RX.
*
* In the receive state, the radio receives frames and may automatically send ACK frames when
* appropriate. The received frame is reported to the higher layer by a call to
* @ref nrf_802154_received.
*
* @retval true The radio enters the receive state.
* @retval false The driver could not enter the receive state.
*/
bool nrf_802154_receive(void);
/**
* @brief Requests reception at the specified time.
*
* This function works as a delayed version of @ref nrf_802154_receive. It is asynchronous.
* It queues the delayed reception using the Radio Scheduler module.
* If the delayed reception cannot be performed (@ref nrf_802154_receive_at would return false)
* or the requested reception timeslot is denied, @ref nrf_802154_receive_failed is called
* with the @ref NRF_802154_RX_ERROR_DELAYED_TIMESLOT_DENIED argument.
*
* If the requested reception time is in the past, the function returns false and does not
* schedule reception.
*
* A scheduled reception can be cancelled by a call to @ref nrf_802154_receive_at_cancel.
*
* @note The identifier @p id must be unique. It must not have the same value as identifiers
* of other delayed timeslots active at the moment, so that it can be mapped unambiguously
* to an active delayed operation if the request is successful. In particular, none of the reserved
* identifiers can be used.
*
* @param[in] rx_time Absolute time used by the SL Timer, in microseconds (us).
* @param[in] timeout Reception timeout (counted from @p rx_time), in microseconds (us).
* @param[in] channel Radio channel on which the frame is to be received.
* @param[in] id Identifier of the scheduled reception window. If the reception has been
* scheduled successfully, the value of this parameter can be used in
* @ref nrf_802154_receive_at_cancel to cancel it.
*
* @retval true The reception procedure was scheduled.
* @retval false The driver could not schedule the reception procedure.
*/
bool nrf_802154_receive_at(uint64_t rx_time,
uint32_t timeout,
uint8_t channel,
uint32_t id);
/**
* @brief Cancels a delayed reception scheduled by a call to @ref nrf_802154_receive_at.
*
* If the receive window has been scheduled but has not started yet, this function prevents
* entering the receive window. If the receive window has been scheduled and has already started,
* the radio remains in the receive state, but a window timeout will not be reported.
*
* @param[in] id Identifier of the delayed reception window to be cancelled. If the provided
* value does not refer to any scheduled or active receive window, the function
* returns false.
*
* @retval true The delayed reception was scheduled and successfully cancelled.
* @retval false No delayed reception was scheduled.
*/
bool nrf_802154_receive_at_cancel(uint32_t id);
/** @brief Sets the channel on which the radio is to operate.
*
* @param[in] channel Channel number (11-26).
*/
void nrf_802154_channel_set(uint8_t channel);
/**
* @brief Gets the channel on which the radio operates.
*
* @returns Channel number (11-26).
*/
uint8_t nrf_802154_channel_get(void);
/**
* @brief Sets the PAN ID used by the device.
*
* @param[in] p_pan_id Pointer to the PAN ID (2 bytes, little-endian).
*
* This function makes a copy of the PAN ID.
*/
void nrf_802154_pan_id_set(const uint8_t * p_pan_id);
/**
* @brief Sets the short address of the device.
*
* @param[in] p_short_address Pointer to the short address (2 bytes, little-endian).
*
* This function makes a copy of the address.W
*/
void nrf_802154_short_address_set(const uint8_t * p_short_address);
/**
* @brief Sets the extended address of the device.
*
* @param[in] p_extended_address Pointer to the extended address (8 bytes, little-endian).
*
* This function makes a copy of the address.
*/
void nrf_802154_extended_address_set(const uint8_t * p_extended_address);
/**
* @brief Configures the device as the PAN coordinator.
*
* @note That information is used for packet filtering.
*
* @param[in] enabled The radio is configured as the PAN coordinator.
*/
void nrf_802154_pan_coord_set(bool enabled);
/**
* @brief Enables or disables the promiscuous radio mode.
*
* @note The promiscuous mode is disabled by default.
*
* In the promiscuous mode, the driver notifies the higher layer that it received any frame
* (regardless frame type or destination address).
* In normal mode (not promiscuous), the higher layer is not notified about ACK frames and frames
* with unknown type. Also, frames with a destination address not matching the device address are
* ignored.
*
* @param[in] enabled If the promiscuous mode is to be enabled.
*/
void nrf_802154_promiscuous_set(bool enabled);
/*
* @brief Changes the radio state to @ref RADIO_STATE_CCA.
*
* @note @ref nrf_802154_cca_done can be called before this function returns a result.
*
* In the CCA state, the radio verifies if the channel is clear. The result of the verification is
* reported to the higher layer by @ref nrf_802154_cca_done.
*
* @retval true The CCA procedure was scheduled.
* @retval false The driver could not schedule the CCA procedure.
*/
bool nrf_802154_cca(void);
#if NRF_802154_CARRIER_FUNCTIONS_ENABLED
/**
* @brief Changes the radio state to continuous carrier.
*
* @note When the radio is emitting continuous carrier signals, it blocks all transmissions on the
* selected channel. This function is to be called only during radio tests. Do not
* use it during normal device operation.
*
* @retval true The continuous carrier procedure was scheduled.
* @retval false The driver could not schedule the continuous carrier procedure.
*/
bool nrf_802154_continuous_carrier(void);
/**
* @brief Changes the radio state to modulated carrier.
*
* @note When the radio is emitting modulated carrier signals, it blocks all transmissions on the
* selected channel. This function is to be called only during radio tests. Do not
* use it during normal device operation.
*
* @param[in] p_data Pointer to a buffer to modulate the carrier with. The first byte is the data length.
*
* @retval true The modulated carrier procedure was scheduled.
* @retval false The driver could not schedule the modulated carrier procedure.
*/
bool nrf_802154_modulated_carrier(const uint8_t * p_data);
#endif // NRF_802154_CARRIER_FUNCTIONS_ENABLED
/**
* @brief Changes the radio state to energy detection.
*
* In the energy detection state, the radio detects the maximum energy for a given time.
* The result of the detection is reported to the higher layer by @ref nrf_802154_energy_detected.
*
* @note @ref nrf_802154_energy_detected can be called before this function returns a result.
* @note Performing the energy detection procedure can take longer than requested in @p time_us.
* The procedure is performed only during the timeslots granted by a radio arbiter.
* It can be interrupted by other protocols using the radio hardware. If the procedure is
* interrupted, it is automatically continued and the sum of time periods during which the
* procedure is carried out is not less than the requested @p time_us.
*
* @param[in] time_us Duration of energy detection procedure. The given value is rounded up to
* multiplication of 8 symbols (128 us).
*
* @retval true The energy detection procedure was scheduled.
* @retval false The driver could not schedule the energy detection procedure.
*/
bool nrf_802154_energy_detection(uint32_t time_us);
/**
* @brief Changes the radio state to @ref RADIO_STATE_TX.
*
* @note If the CPU is halted or interrupted while this function is executed,
* @ref nrf_802154_transmitted or @ref nrf_802154_transmit_failed can be called before this
* function returns a result.
*
* @note This function is implemented in zero-copy fashion. It passes the given buffer pointer to
* the RADIO peripheral.
*
* In the transmit state, the radio transmits a given frame. If requested, it waits for
* an ACK frame. Depending on @ref NRF_802154_ACK_TIMEOUT_ENABLED, the radio driver automatically
* stops waiting for an ACK frame or waits indefinitely for an ACK frame. If it is configured to
* wait, the MAC layer is responsible for calling @ref nrf_802154_receive or
* @ref nrf_802154_sleep after the ACK timeout.
* The transmission result is reported to the higher layer by calls to @ref nrf_802154_transmitted
* or @ref nrf_802154_transmit_failed.
*
* @verbatim
* p_data
* v
* +-----+-----------------------------------------------------------+------------+
* | PHR | MAC header and payload | FCS |
* +-----+-----------------------------------------------------------+------------+
* | |
* | <---------------------------- PHR -----------------------------------> |
* @endverbatim
*
* @param[in] p_data Pointer to the array with data to transmit. The first byte must contain
* frame length (including FCS). The following bytes contain data.
* The CRC is computed automatically by the radio hardware. Therefore,
* the FCS field can contain any bytes.
* @param[in] p_metadata Pointer to metadata structure. Contains detailed properties of data
* to transmit. If @c NULL following metadata are used:
* Field | Value
* ----------------|-----------------------------------------------------
* @c frame_props | @ref NRF_802154_TRANSMITTED_FRAME_PROPS_DEFAULT_INIT
* @c cca | @c true
*
* @retval true The transmission procedure was scheduled.
* @retval false The driver could not schedule the transmission procedure.
*/
bool nrf_802154_transmit_raw(uint8_t * p_data,
const nrf_802154_transmit_metadata_t * p_metadata);
/**
* @}
* @defgroup nrf_802154_csma CSMA-CA procedure
* @{
*/
#if NRF_802154_CSMA_CA_ENABLED || defined(DOXYGEN)
/**
* @brief Performs the CSMA-CA procedure and transmits a frame in case of success.
*
* The end of the CSMA-CA procedure is notified by @ref nrf_802154_transmitted_raw or
* @ref nrf_802154_transmit_failed.
*
* @note The driver may be configured to automatically time out waiting for an ACK frame depending
* on @ref NRF_802154_ACK_TIMEOUT_ENABLED. If the automatic ACK timeout is disabled,
* the CSMA-CA procedure does not time out waiting for an ACK frame if a frame
* with the ACK request bit set was transmitted. The MAC layer is expected to manage the timer
* to time out waiting for the ACK frame. This timer can be started
* by @ref nrf_802154_tx_started. When the timer expires, the MAC layer is expected
* to call @ref nrf_802154_receive or @ref nrf_802154_sleep to stop waiting for the ACK frame.
*
* @param[in] p_data Pointer to the frame to transmit. See also @ref nrf_802154_transmit_raw.
* @param[in] p_metadata Pointer to metadata structure. Contains detailed properties of data
* to transmit. If @c NULL following metadata are used:
* Field | Value
* ----------------|-----------------------------------------------------
* @c frame_props | @ref NRF_802154_TRANSMITTED_FRAME_PROPS_DEFAULT_INIT
*
* @retval true The chain of CSMA-CA and transmission procedure was scheduled.
* @retval false The driver could not schedule the procedure chain.
*/
bool nrf_802154_transmit_csma_ca_raw(uint8_t * p_data,
const nrf_802154_transmit_csma_ca_metadata_t * p_metadata);
/**
* @brief Sets the minimum value of the backoff exponent (BE) in the CSMA-CA algorithm.
*
* @note This function is available if @ref NRF_802154_CSMA_CA_ENABLED is enabled.
*
* @param[in] min_be Minimum value of the backoff exponent.
*
* @retval true When value provided by @p min_be has been set successfully.
* @retval false Otherwise.
*/
bool nrf_802154_csma_ca_min_be_set(uint8_t min_be);
/**
* @brief Gets the minimum value of the backoff exponent (BE) in the CSMA-CA algorithm.
*
* @note This function is available if @ref NRF_802154_CSMA_CA_ENABLED is enabled.
*
* @return Current minimum value of the backoff exponent.
*/
uint8_t nrf_802154_csma_ca_min_be_get(void);
/**
* @brief Sets the maximum value of the backoff exponent (BE) in the CSMA-CA algorithm.
*
* @note This function is available if @ref NRF_802154_CSMA_CA_ENABLED is enabled.
*
* @param[in] max_be Maximum value of the backoff exponent.
*
* @retval true When value provided by @p max_be has been set successfully.
* @retval false Otherwise.
*/
bool nrf_802154_csma_ca_max_be_set(uint8_t max_be);
/**
* @brief Gets the maximum value of the backoff exponent (BE) in the CSMA-CA algorithm.
*
* @note This function is available if @ref NRF_802154_CSMA_CA_ENABLED is enabled.
*
* @return Current maximum value of the backoff exponent.
*/
uint8_t nrf_802154_csma_ca_max_be_get(void);
/**
* @brief Sets the maximum number of backoffs the CSMA-CA algorithm will attempt before declaring
* a channel access failure.
*
* @note This function is available if @ref NRF_802154_CSMA_CA_ENABLED is enabled.
*
* @param[in] max_backoffs Maximum number of backoffs.
*/
void nrf_802154_csma_ca_max_backoffs_set(uint8_t max_backoffs);
/**
* @brief Gets the maximum number of backoffs the CSMA-CA algorithm will attempt before declaring
* a channel access failure.
*
* @note This function is available if @ref NRF_802154_CSMA_CA_ENABLED is enabled.
*
* @return Current maximum number of backoffs.
*/
uint8_t nrf_802154_csma_ca_max_backoffs_get(void);
#endif // NRF_802154_CSMA_CA_ENABLED
/**
* @brief Requests transmission at the specified time.
*
* @note This function is implemented in a zero-copy fashion. It passes the given buffer pointer to
* the RADIO peripheral.
*
*
* This function works as a delayed version of @ref nrf_802154_transmit_raw. It is asynchronous.
* It queues the delayed transmission using the Radio Scheduler module and performs it
* at the specified time.
*
* If the delayed transmission is successfully performed, @ref nrf_802154_transmitted_raw is called.
* If the delayed transmission cannot be performed ( @ref nrf_802154_transmit_raw would return @c false)
* or the requested transmission timeslot is denied, @ref nrf_802154_transmit_failed with the
* @ref NRF_802154_TX_ERROR_TIMESLOT_DENIED argument is called.
*
* This function is designed to transmit the first symbol of SHR at the given time.
*
* If the requested transmission time is in the past, the function returns @c false and does not
* schedule transmission.
*
* A successfully scheduled transmission can be cancelled by a call
* to @ref nrf_802154_transmit_at_cancel.
*
* @param[in] p_data Pointer to the array with data to transmit. The first byte must contain
* the frame length (including FCS). The following bytes contain data.
* The CRC is computed automatically by the radio hardware. Therefore,
* the FCS field can contain any bytes.
* @param[in] tx_time Absolute time used by the SL Timer, in microseconds (us).
* @param[in] p_metadata Pointer to metadata structure. Contains detailed properties of data
* to transmit. If @c NULL following metadata are used:
* Field | Value
* ----------------|-----------------------------------------------------
* @c frame_props | @ref NRF_802154_TRANSMITTED_FRAME_PROPS_DEFAULT_INIT
* @c cca | @c true
* @c channel | As returned by @ref nrf_802154_channel_get
*
* @retval true The transmission procedure was scheduled.
* @retval false The driver could not schedule the transmission procedure.
*/
bool nrf_802154_transmit_raw_at(uint8_t * p_data,
uint64_t tx_time,
const nrf_802154_transmit_at_metadata_t * p_metadata);
/**
* @brief Cancels a delayed transmission scheduled by a call to @ref nrf_802154_transmit_raw_at.
*
* If a delayed transmission has been scheduled but the transmission has not been started yet,
* a call to this function prevents the transmission. If the transmission is ongoing,
* it will not be aborted.
*
* If a delayed transmission has not been scheduled (or has already finished), this function does
* not change state and returns false.
*
* @retval true The delayed transmission was scheduled and successfully cancelled.
* @retval false No delayed transmission was scheduled.
*/
bool nrf_802154_transmit_at_cancel(void);
/**
* @brief Notifies the driver that the buffer containing the received frame is not used anymore.
*
* @note The buffer pointed to by @p p_data may be modified by this function.
* @note This function can be safely called only from the main context. To free the buffer from
* a callback or the IRQ context, use @ref nrf_802154_buffer_free_immediately_raw.
*
* @param[in] p_data Pointer to the buffer containing the received data that is no longer needed
* by the higher layer.
*/
void nrf_802154_buffer_free_raw(uint8_t * p_data);
/**
* @brief Sets the transmit power.
*
* @note The driver recalculates the requested value to the nearest value accepted by the hardware.
* The calculation result is rounded up.
*
* @param[in] power Transmit power in dBm.
*/
void nrf_802154_tx_power_set(int8_t power);
/**
* @brief Gets the currently set transmit power.
*
* @returns Currently used transmit power, in dBm.
*/
int8_t nrf_802154_tx_power_get(void);
/**
* @brief Converts the energy level received during the energy detection procedure to a dBm value.
*
* @param[in] energy_level Energy level passed by @ref nrf_802154_energy_detected.
*
* @return Result of the energy detection procedure in dBm.
*/
int8_t nrf_802154_dbm_from_energy_level_calculate(uint8_t energy_level);
/**
* @brief Calculates the timestamp of the first symbol of the preamble in a received frame.
*
* @param[in] end_timestamp Timestamp of the end of the last symbol in the frame,
* in microseconds.
* @param[in] psdu_length Number of bytes in the frame PSDU.
*
* @return Timestamp of the beginning of the first preamble symbol of a given frame,
* in microseconds.
*/
uint64_t nrf_802154_first_symbol_timestamp_get(uint64_t end_timestamp, uint8_t psdu_length);
/**
* @brief Calculates the timestamp of the MAC Header in a received frame.
*
* @param[in] end_timestamp Timestamp of the end of the last symbol in the frame,
* in microseconds.
* @param[in] psdu_length Number of bytes in the frame PSDU.
*
* @return Timestamp of the MHR of a given frame, in microseconds.
*/
uint64_t nrf_802154_mhr_timestamp_get(uint64_t end_timestamp, uint8_t psdu_length);
/**
* @}
* @defgroup nrf_802154_ifs Inter-frame spacing feature
* @{
*/
#if NRF_802154_IFS_ENABLED || defined(DOXYGEN)
/**
* @brief Gets IFS operation mode.
*
* @note This function is available if @ref NRF_802154_IFS_ENABLED is enabled.
*
* @return Current IFS operation mode. Refer to @ref nrf_802154_ifs_mode_t for details.
*/
nrf_802154_ifs_mode_t nrf_802154_ifs_mode_get(void);
/**
* @brief Sets IFS operation mode.
*
* @note This function is available if @ref NRF_802154_IFS_ENABLED is enabled.
*
* @param[in] mode IFS operation mode. Refer to @ref nrf_802154_ifs_mode_t for details.
*
* @retval true The update of IFS operation mode was successful.
* @retval false The update of IFS operation mode failed. Provided mode is unsupported
*/
bool nrf_802154_ifs_mode_set(nrf_802154_ifs_mode_t mode);
/**
* @brief Gets Short IFS period in microseconds.
*
* @note This function is available if @ref NRF_802154_IFS_ENABLED is enabled.
*
* @return Current Short IFS period in microseconds.
*/
uint16_t nrf_802154_ifs_min_sifs_period_get(void);
/**
* @brief Sets Short IFS period in microseconds.
*
* @note This function is available if @ref NRF_802154_IFS_ENABLED is enabled.
*
* @param[in] period Short IFS period in microseconds.
*/
void nrf_802154_ifs_min_sifs_period_set(uint16_t period);
/**
* @brief Gets Long IFS period in microseconds.
*
* @note This function is available if @ref NRF_802154_IFS_ENABLED is enabled.
*
* @return Current Long IFS period in microseconds.
*/
uint16_t nrf_802154_ifs_min_lifs_period_get(void);
/**
* @brief Sets Long IFS period in microseconds.
*
* @note This function is available if @ref NRF_802154_IFS_ENABLED is enabled.
*
* @param[in] period Long IFS period in microseconds.
*/
void nrf_802154_ifs_min_lifs_period_set(uint16_t period);
#endif // NRF_802154_IFS_ENABLED
/**
* @}
* @defgroup nrf_802154_capabilities Radio driver run-time capabilities feature.
* @{
*/
/**
* @brief Gets nRF 802.15.4 Radio Driver Capabilities.
*
* @return Capabilities of the radio driver.
*/
nrf_802154_capabilities_t nrf_802154_capabilities_get(void);
/**
* @brief Gets the current time.
*
* The time returned by this function is to be used to calculate timing parameters for
* @ref nrf_802154_transmit_at and @ref nrf_802154_receive_at functions.
*
* @returns Current time in microseconds.
*/
uint64_t nrf_802154_time_get(void);
/**
* @}
* @defgroup nrf_802154_security Radio driver MAC security feature.
* @{
*/
/**
* @brief Sets nRF 802.15.4 Radio Driver Global MAC Frame Counter.
*
* The driver automatically increments the counter in every outgoing frame
* which uses the Global MAC Frame Counter.
* This call is meant to set the initial value of the frame counter.
*
* @param[in] frame_counter Global MAC Frame Counter to set.
*/
void nrf_802154_security_global_frame_counter_set(uint32_t frame_counter);
/**
* @brief Store the 802.15.4 MAC Security Key inside the nRF 802.15.4 Radio Driver.
*
* @param[in] p_key Pointer to the key to store. Refer to @ref nrf_802154_key_t for details.
* Storing the key copies the content of the key and key ID into the Radio Driver.
* This input parameter can be destroyed after the call.
*
* @note This function is not reentrant and must be called from thread context only.
*
* @retval NRF_802154_SECURITY_ERROR_NONE Storing of key is successful.
* @retval NRF_802154_SECURITY_ERROR_TYPE_NOT_SUPPORTED Type of the key is not supported.
* @retval NRF_802154_SECURITY_ERROR_MODE_NOT_SUPPORTED ID mode of the key is not supported.
* @retval NRF_802154_SECURITY_ERROR_ALREADY_PRESENT Failed to store the key - key of such id is already
* present. Remove the key first to overwrite.
* @retval NRF_802154_SECURITY_ERROR_STORAGE_FULL Failed to store the key - storage full.
*/
nrf_802154_security_error_t nrf_802154_security_key_store(nrf_802154_key_t * p_key);
/**
* @brief Remove the 802.15.4 MAC Security Key from the nRF 802.15.4 Radio Driver.
*
* @param[in] p_id Pointer to the ID of the key to remove.
*
* @note This function is not reentrant and must be called from thread context only.
*
* @retval NRF_802154_SECURITY_ERROR_NONE Removal of key is successful.
* @retval NRF_802154_SECURITY_ERROR_KEY_NOT_FOUND Failed to remove the key - no such key found.
*/
nrf_802154_security_error_t nrf_802154_security_key_remove(nrf_802154_key_id_t * p_id);
/**
* @}
* @defgroup nrf_802154_ie_writer Radio driver Information Element data injection feature.
* @{
*/
/**
* @brief Sets the value of CSL period to inject into the CSL information element.
*
* @param[in] period CSL period value.
*/
void nrf_802154_csl_writer_period_set(uint16_t period);
/**
* @brief Sets the anchor time based on which the next CSL window time and the CSL phase is calculated.
*
* This function sets an anchor time which is a time of a CSL window, based which on the times of future CSL windows are
* calculated. It is assumed that all other CSL windows occur at time @c anchor_time + @c n * @c csl_period, where @c n is
* an integer. Note that the anchor time can be both in the past and in the future.
*
* This function should be called after calling @ref nrf_802154_csl_writer_period_set and every time when the CSL windows get desynchronized.
*
* If this function is not called, a legacy CSL operation mode is chosen, where the CSL phase is calculated based on the time of the nearest
* scheduled CSL window (and can be undefined, if no such window was scheduled).
*
* @param[in] period Anchor time value.
*/
void nrf_802154_csl_writer_anchor_time_set(uint64_t anchor_time);
/**
* @}
* @defgroup nrf_802154_stats Statistics and measurements
* @{
*/
/**
* @brief Get time stamps of events gathered by the last operation.
*
* @param[out] p_stat_timestamps Structure that will be filled with current time stamps of events.
*/
void nrf_802154_stat_timestamps_get(nrf_802154_stat_timestamps_t * p_stat_timestamps);
/**
* @}
* @defgroup nrf_802154_test_modes Test modes
* @{
*/
#if NRF_802154_TEST_MODES_ENABLED
/**
* @brief Gets the current CSMA/CA backoff test mode.
*
* @return Current CSMA/CA backoff test mode.
*/
nrf_802154_test_mode_csmaca_backoff_t nrf_802154_test_mode_csmaca_backoff_get(void);
/**
* @brief Sets the csmaca backoff test mode.
*
* @param[in] value CSMA/CA backoff test mode (See @ref nrf_802154_test_mode_csmaca_backoff_t
* for defined values).
*/
void nrf_802154_test_mode_csmaca_backoff_set(nrf_802154_test_mode_csmaca_backoff_t value);
#endif // NRF_802154_TEST_MODES_ENABLED
/** @} */
#endif