/* * SPDX-FileCopyrightText: 2024-2025 Espressif Systems (Shanghai) CO LTD * * SPDX-License-Identifier: Apache-2.0 */ #pragma once #include #include "esp_err.h" #include "esp_twai_types.h" #ifdef __cplusplus extern "C" { #endif /** * @brief ESP TWAI driver API set definition */ struct twai_node_base { /** * @brief Enable the TWAI node * * @param[in] node Pointer to the TWAI node base * @return esp_err_t * - ESP_OK: Success * - ESP_FAIL: Failed to enable the node */ esp_err_t (*enable)(struct twai_node_base *node); /** * @brief Disable the TWAI node * * @param[in] node Pointer to the TWAI node base * @return esp_err_t * - ESP_OK: Success * - ESP_FAIL: Failed to disable the node */ esp_err_t (*disable)(struct twai_node_base *node); /** * @brief Delete the TWAI node and free its resources * * @param[in] node Pointer to the TWAI node base * @return esp_err_t * - ESP_OK: Success * - ESP_FAIL: Failed to delete the node */ esp_err_t (*del)(struct twai_node_base *node); /** * @brief Configure the mask filter of the TWAI node * * @param node Pointer to the TWAI node base * @param filter_id Index of the filter to configure * @param mask_cfg Pointer to the mask filter configuration * @return ESP_OK on success, error code otherwise */ esp_err_t (*config_mask_filter)(struct twai_node_base *node, uint8_t filter_id, const twai_mask_filter_config_t *mask_cfg); /** * @brief Configure the range filter of the TWAI node * * @param node Pointer to the TWAI node base * @param filter_id Index of the filter to configure * @param range_cfg Pointer to the range filter configuration * @return ESP_OK on success, error code otherwise */ esp_err_t (*config_range_filter)(struct twai_node_base *node, uint8_t filter_id, const twai_range_filter_config_t *range_cfg); /** * @brief Reconfigure the timing parameters for the TWAI node * * @param[in] node Pointer to the TWAI node base * @param bit_timing Pointer to new twai cc(classic) or arbitration phase of twai fd timing configuration * @param data_timing Pointer to new twai fd timing configuration * @return esp_err_t * - ESP_OK: Success * - ESP_ERR_INVALID_ARG: Invalid timing configuration */ esp_err_t (*reconfig_timing)(struct twai_node_base *node, const twai_timing_advanced_config_t *bit_timing, const twai_timing_advanced_config_t *data_timing); /** * @brief Transmit a TWAI frame through the TWAI node * * @param[in] node Pointer to the TWAI node base * @param[in] frame Pointer to the frame to transmit * @param[in] timeout Timeout in milliseconds * @return esp_err_t * - ESP_OK: Success * - ESP_FAIL: Failed to transmit frame */ esp_err_t (*transmit)(struct twai_node_base *node, const twai_frame_t *frame, int timeout); /** * @brief Receive a TWAI frame through the ISR callback * * @param[in] node Pointer to the TWAI node base * @param[out] rx_frame Pointer to the frame store rx content * @return esp_err_t * - ESP_OK: Success * - ESP_ERR_TIMEOUT: Reception timeout */ esp_err_t (*receive_isr)(struct twai_node_base *node, twai_frame_t *rx_frame); /** * @brief Recover the TWAI node from a bus-off state * * @param[in] node Pointer to the TWAI node base * @return esp_err_t * - ESP_OK: Success * - ESP_FAIL: Failed to recover node */ esp_err_t (*recover)(struct twai_node_base *node); /** * @brief Register event callbacks for the TWAI node * * @param[in] node Pointer to the TWAI node base * @param[in] cbs Pointer to the event callback configuration * @param[in] user_data User data to pass to the callbacks * @return esp_err_t * - ESP_OK: Success * - ESP_ERR_INVALID_ARG: Invalid callback configuration */ esp_err_t (*register_cbs)(struct twai_node_base *node, const twai_event_callbacks_t *cbs, void *user_data); /** * @brief Get the status and statistics of the TWAI node * * @param[in] node Pointer to the TWAI node base * @param[out] status_ret Pointer to return the node status * @param[out] record_ret Pointer to return the node statistics * @return esp_err_t * - ESP_OK: Success * - ESP_FAIL: Failed to retrieve information */ esp_err_t (*get_info)(struct twai_node_base *node, twai_node_status_t *status_ret, twai_node_record_t *record_ret); }; #ifdef __cplusplus } #endif