/* * SPDX-FileCopyrightText: 2023 Espressif Systems (Shanghai) CO LTD * * SPDX-License-Identifier: Apache-2.0 */ #pragma once #include #include #include "esp_log.h" #include "esp_err.h" #include "soc/soc.h" #include "esp_ieee802154_frame.h" #include "esp_ieee802154.h" #ifdef __cplusplus extern "C" { #endif #define IEEE802154_TAG "ieee802154" // These three macros are in microseconds, used for transmit_at #define IEEE802154_ED_TRIG_TX_RAMPUP_TIME_US 256 #define IEEE802154_TX_RAMPUP_TIME_US 98 #define IEEE802154_RX_RAMPUP_TIME_US 146 /** * @brief The state of IEEE802154 radio process. */ typedef enum { IEEE802154_STATE_DISABLE, /*!< IEEE802154 radio state disable */ IEEE802154_STATE_IDLE, /*!< IEEE802154 radio state idle */ IEEE802154_STATE_SLEEP, /*!< IEEE802154 radio state sleep */ IEEE802154_STATE_RX, /*!< IEEE802154 radio state rx */ IEEE802154_STATE_TX_ACK, /*!< IEEE802154 radio state tx ack */ IEEE802154_STATE_TX_ENH_ACK, /*!< IEEE802154 radio state tx enh-ack */ IEEE802154_STATE_TX_CCA, /*!< IEEE802154 radio state cca trigger tx */ IEEE802154_STATE_TX, /*!< IEEE802154 radio state tx */ IEEE802154_STATE_TEST_TX, /*!< IEEE802154 radio state test mode tx */ IEEE802154_STATE_RX_ACK, /*!< IEEE802154 radio state rx ack */ IEEE802154_STATE_ED, /*!< IEEE802154 radio state ED */ IEEE802154_STATE_CCA, /*!< IEEE802154 radio state CCA */ } ieee802154_state_t; /** * @brief Initialize the clock of IEEE 802.15.4 subsystem. * */ void ieee802154_enable(void); /** * @brief Deinitialize the clock of IEEE 802.15.4 subsystem. * */ void ieee802154_disable(void); /** * @brief Enable the RF. * */ void ieee802154_rf_enable(void); /** * @brief Disable the RF. * */ void ieee802154_rf_disable(void); /** * @brief Initialize the IEEE 802.15.4 MAC. * * @return * - ESP_OK on success. * - ESP_FAIL on failure. * */ esp_err_t ieee802154_mac_init(void); /** * @brief Deinitialize the IEEE 802.15.4 MAC. * * @return * - ESP_OK on success. * - ESP_FAIL on failure. * */ esp_err_t ieee802154_mac_deinit(void); /** * @brief Transmit the given frame. * * @param[in] frame The pointer to the frame * @param[in] cca Perform CCA before transmission if it's true, otherwise transmit the frame directly. * * @return * - ESP_OK on success. * - ESP_FAIL on failure due to invalid state. * */ esp_err_t ieee802154_transmit(const uint8_t *frame, bool cca); /** * @brief Set the IEEE 802.15.4 Radio to receive state. * * @return * - ESP_OK on success * - ESP_FAIL on failure due to invalid state. * */ esp_err_t ieee802154_receive(void); /** * @brief Transmit the given frame at a specific time. * * @param[in] frame The pointer to the frame. Refer to `esp_ieee802154_transmit()`. * @param[in] cca Perform CCA before transmission if it's true, otherwise transmit the frame directly. * @param[in] time A specific timestamp for starting transmission. * * @return * - ESP_OK on success. * - ESP_FAIL on failure due to invalid state. * * Note: The transmit result will be reported via esp_ieee802154_transmit_done() * or esp_ieee802154_transmit_failed(). * */ esp_err_t ieee802154_transmit_at(const uint8_t *frame, bool cca, uint32_t time); /** * @brief Set the IEEE 802.15.4 Radio to receive state at a specific time. * * * @param[in] time A specific timestamp for starting receiving. * @return * - ESP_OK on success * - ESP_FAIL on failure due to invalid state. * * Note: Radio will start receiving after the timestamp, and continue receiving until it receives a valid frame. * Ref to esp_ieee802154_receive_done(). * */ esp_err_t ieee802154_receive_at(uint32_t time); /** * @brief Set the IEEE 802.15.4 Radio to sleep state. * * @return * - ESP_OK on success. * - ESP_FAIL on failure due to invalid state. * */ esp_err_t ieee802154_sleep(void); /** * @brief Perform energy detection(ED). * * @param[in] duration The duration of energy detection, in symbol unit (16 us). * The result will be reported via esp_ieee802154_energy_detect_done(). * * @return * - ESP_OK on success. * - ESP_FAIL on failure due to invalid state. * */ esp_err_t ieee802154_energy_detect(uint32_t duration); /** * @brief Perform clear channel assessment(CCA). * * @return * - ESP_OK on success. * - ESP_FAIL on failure due to invalid state. * */ esp_err_t ieee802154_cca(void); /** * @brief Get the RSSI of the most recent received frame. * * @return The value of RSSI. * */ int8_t ieee802154_get_recent_rssi(void); /** * @brief Get the LQI of the most recent received frame. * * @return The value of LQI. * */ uint8_t ieee802154_get_recent_lqi(void); /** * @brief Get the IEEE 802.15.4 Radio state. * * @return * - Current state of IEEE 802.15.4 Radio. * */ ieee802154_state_t ieee802154_get_state(void); /** The following three functions are only used for internal test. **/ /** * @brief The clear channel assessment done. * * @param[in] channel_free True if the channel is clear, otherwise false. * */ extern void esp_ieee802154_cca_done(bool channel_free); /** * @brief Current receiving process is failed due to some reasons. * * @param[in] error The specific received failed reason. * */ extern void esp_ieee802154_receive_failed(uint16_t error); /** * @brief Current energy detection(ED) is failed due to some reasons. * * @param[in] error The specific ED failed reason. * */ extern void esp_ieee802154_ed_failed(uint16_t error); #if CONFIG_IEEE802154_TEST #define IEEE802154_STATIC #define IEEE802154_INLINE extern void esp_ieee802154_timer0_done(void); extern void esp_ieee802154_timer1_done(void); #else #define IEEE802154_STATIC static #define IEEE802154_INLINE inline #endif // CONFIG_IEEE802154_TEST #ifdef __cplusplus } #endif