mirror of
https://github.com/espressif/esp-idf.git
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255 lines
6.6 KiB
C
255 lines
6.6 KiB
C
/*
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* SPDX-FileCopyrightText: 2023 Espressif Systems (Shanghai) CO LTD
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#pragma once
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#include <stdint.h>
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#include <stdbool.h>
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#include "sdkconfig.h"
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#include "esp_log.h"
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#include "esp_err.h"
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#include "soc/soc.h"
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#include "esp_ieee802154_frame.h"
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#include "esp_ieee802154.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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// These three macros are in microseconds, used for transmit_at
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#define IEEE802154_ED_TRIG_TX_RAMPUP_TIME_US 256
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#define IEEE802154_TX_RAMPUP_TIME_US 98
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#define IEEE802154_RX_RAMPUP_TIME_US 146
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/**
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* @brief The state of IEEE802154 radio process.
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*/
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typedef enum {
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IEEE802154_STATE_DISABLE, /*!< IEEE802154 radio state disable */
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IEEE802154_STATE_IDLE, /*!< IEEE802154 radio state idle */
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IEEE802154_STATE_SLEEP, /*!< IEEE802154 radio state sleep */
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IEEE802154_STATE_RX, /*!< IEEE802154 radio state rx */
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IEEE802154_STATE_TX_ACK, /*!< IEEE802154 radio state tx ack */
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IEEE802154_STATE_TX_ENH_ACK, /*!< IEEE802154 radio state tx enh-ack */
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IEEE802154_STATE_TX_CCA, /*!< IEEE802154 radio state cca trigger tx */
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IEEE802154_STATE_TX, /*!< IEEE802154 radio state tx */
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IEEE802154_STATE_TEST_TX, /*!< IEEE802154 radio state test mode tx */
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IEEE802154_STATE_RX_ACK, /*!< IEEE802154 radio state rx ack */
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IEEE802154_STATE_ED, /*!< IEEE802154 radio state ED */
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IEEE802154_STATE_CCA, /*!< IEEE802154 radio state CCA */
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} ieee802154_state_t;
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/**
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* @brief Initialize the clock of IEEE 802.15.4 subsystem.
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*
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*/
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void ieee802154_enable(void);
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/**
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* @brief Deinitialize the clock of IEEE 802.15.4 subsystem.
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*
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*/
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void ieee802154_disable(void);
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/**
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* @brief Enable the RF.
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*
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*/
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void ieee802154_rf_enable(void);
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/**
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* @brief Disable the RF.
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*
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*/
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void ieee802154_rf_disable(void);
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/**
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* @brief Initialize the IEEE 802.15.4 MAC.
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*
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* @return
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* - ESP_OK on success.
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* - ESP_FAIL on failure.
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*
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*/
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esp_err_t ieee802154_mac_init(void);
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/**
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* @brief Deinitialize the IEEE 802.15.4 MAC.
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*
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* @return
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* - ESP_OK on success.
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* - ESP_FAIL on failure.
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*
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*/
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esp_err_t ieee802154_mac_deinit(void);
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/**
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* @brief Transmit the given frame.
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*
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* @param[in] frame The pointer to the frame
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* @param[in] cca Perform CCA before transmission if it's true, otherwise transmit the frame directly.
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*
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* @return
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* - ESP_OK on success.
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* - ESP_ERR_INVALID_ARG on an invalid frame.
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* - ESP_FAIL on failure due to invalid state.
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*
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*/
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esp_err_t ieee802154_transmit(const uint8_t *frame, bool cca);
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/**
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* @brief Set the IEEE 802.15.4 Radio to receive state.
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*
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* @return
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* - ESP_OK on success
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* - ESP_FAIL on failure due to invalid state.
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*
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*/
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esp_err_t ieee802154_receive(void);
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/**
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* @brief Notify the IEEE 802.15.4 Radio that the frame is handled done by upper layer.
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*
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* @param[in] frame The pointer to the frame which was passed from the function esp_ieee802154_receive_done.
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* or ack frame from esp_ieee802154_transmit_done.
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*
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* @return
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* - ESP_OK on success
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* - ESP_FAIL if frame is invalid.
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*
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*/
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esp_err_t ieee802154_receive_handle_done(const uint8_t* frame);
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/**
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* @brief Transmit the given frame at a specific time.
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*
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* @param[in] frame The pointer to the frame. Refer to `esp_ieee802154_transmit()`.
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* @param[in] cca Perform CCA before transmission if it's true, otherwise transmit the frame directly.
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* @param[in] time A specific timestamp for starting transmission.
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*
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* @return
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* - ESP_OK on success.
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* - ESP_ERR_INVALID_ARG on an invalid frame.
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* - ESP_FAIL on failure due to invalid state.
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*
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* Note: The transmit result will be reported via esp_ieee802154_transmit_done()
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* or esp_ieee802154_transmit_failed().
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*
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*/
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esp_err_t ieee802154_transmit_at(const uint8_t *frame, bool cca, uint32_t time);
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/**
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* @brief Set the IEEE 802.15.4 Radio to receive state at a specific time.
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*
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*
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* @param[in] time A specific timestamp for starting receiving.
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* @return
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* - ESP_OK on success
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* - ESP_FAIL on failure due to invalid state.
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*
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* Note: Radio will start receiving after the timestamp, and continue receiving until it receives a valid frame.
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* Ref to esp_ieee802154_receive_done().
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*
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*/
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esp_err_t ieee802154_receive_at(uint32_t time);
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/**
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* @brief Set the IEEE 802.15.4 Radio to sleep state.
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*
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* @return
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* - ESP_OK on success.
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* - ESP_FAIL on failure due to invalid state.
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*
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*/
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esp_err_t ieee802154_sleep(void);
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/**
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* @brief Perform energy detection(ED).
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*
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* @param[in] duration The duration of energy detection, in symbol unit (16 us).
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* The result will be reported via esp_ieee802154_energy_detect_done().
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*
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* @return
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* - ESP_OK on success.
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* - ESP_FAIL on failure due to invalid state.
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*
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*/
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esp_err_t ieee802154_energy_detect(uint32_t duration);
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/**
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* @brief Perform clear channel assessment(CCA).
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*
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* @return
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* - ESP_OK on success.
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* - ESP_FAIL on failure due to invalid state.
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*
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*/
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esp_err_t ieee802154_cca(void);
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/**
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* @brief Get the RSSI of the most recent received frame.
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*
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* @return The value of RSSI.
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*
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*/
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int8_t ieee802154_get_recent_rssi(void);
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/**
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* @brief Get the LQI of the most recent received frame.
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*
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* @return The value of LQI.
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*
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*/
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uint8_t ieee802154_get_recent_lqi(void);
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/**
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* @brief Get the IEEE 802.15.4 Radio state.
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*
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* @return
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* - Current state of IEEE 802.15.4 Radio.
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*
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*/
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ieee802154_state_t ieee802154_get_state(void);
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/** The following three functions are only used for internal test. **/
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/**
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* @brief The clear channel assessment done.
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*
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* @param[in] channel_free True if the channel is clear, otherwise false.
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*
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*/
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extern void esp_ieee802154_cca_done(bool channel_free);
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/**
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* @brief Current receiving process is failed due to some reasons.
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*
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* @param[in] error The specific received failed reason.
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*
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*/
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extern void esp_ieee802154_receive_failed(uint16_t error);
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/**
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* @brief Current energy detection(ED) is failed due to some reasons.
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*
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* @param[in] error The specific ED failed reason.
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*
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*/
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extern void esp_ieee802154_ed_failed(uint16_t error);
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#if CONFIG_IEEE802154_TEST
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#define IEEE802154_STATIC
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#define IEEE802154_INLINE
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extern void esp_ieee802154_timer0_done(void);
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extern void esp_ieee802154_timer1_done(void);
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#else
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#define IEEE802154_STATIC static
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#define IEEE802154_INLINE inline
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#endif // CONFIG_IEEE802154_TEST
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#define IEEE802154_NOINLINE __attribute__((noinline))
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#ifdef __cplusplus
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}
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#endif
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