222 lines
9.4 KiB
C
222 lines
9.4 KiB
C
// Copyright 2015-2018 Espressif Systems (Shanghai) PTE LTD
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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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 "esp_err.h"
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#include "esp_wifi_types.h"
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#include "tcpip_adapter.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/** System event types enumeration */
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typedef enum {
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SYSTEM_EVENT_WIFI_READY = 0, /*!< ESP32 WiFi ready */
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SYSTEM_EVENT_SCAN_DONE, /*!< ESP32 finish scanning AP */
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SYSTEM_EVENT_STA_START, /*!< ESP32 station start */
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SYSTEM_EVENT_STA_STOP, /*!< ESP32 station stop */
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SYSTEM_EVENT_STA_CONNECTED, /*!< ESP32 station connected to AP */
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SYSTEM_EVENT_STA_DISCONNECTED, /*!< ESP32 station disconnected from AP */
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SYSTEM_EVENT_STA_AUTHMODE_CHANGE, /*!< the auth mode of AP connected by ESP32 station changed */
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SYSTEM_EVENT_STA_GOT_IP, /*!< ESP32 station got IP from connected AP */
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SYSTEM_EVENT_STA_LOST_IP, /*!< ESP32 station lost IP and the IP is reset to 0 */
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SYSTEM_EVENT_STA_WPS_ER_SUCCESS, /*!< ESP32 station wps succeeds in enrollee mode */
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SYSTEM_EVENT_STA_WPS_ER_FAILED, /*!< ESP32 station wps fails in enrollee mode */
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SYSTEM_EVENT_STA_WPS_ER_TIMEOUT, /*!< ESP32 station wps timeout in enrollee mode */
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SYSTEM_EVENT_STA_WPS_ER_PIN, /*!< ESP32 station wps pin code in enrollee mode */
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SYSTEM_EVENT_STA_WPS_ER_PBC_OVERLAP, /*!< ESP32 station wps overlap in enrollee mode */
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SYSTEM_EVENT_AP_START, /*!< ESP32 soft-AP start */
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SYSTEM_EVENT_AP_STOP, /*!< ESP32 soft-AP stop */
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SYSTEM_EVENT_AP_STACONNECTED, /*!< a station connected to ESP32 soft-AP */
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SYSTEM_EVENT_AP_STADISCONNECTED, /*!< a station disconnected from ESP32 soft-AP */
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SYSTEM_EVENT_AP_STAIPASSIGNED, /*!< ESP32 soft-AP assign an IP to a connected station */
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SYSTEM_EVENT_AP_PROBEREQRECVED, /*!< Receive probe request packet in soft-AP interface */
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SYSTEM_EVENT_GOT_IP6, /*!< ESP32 station or ap or ethernet interface v6IP addr is preferred */
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SYSTEM_EVENT_ETH_START, /*!< ESP32 ethernet start */
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SYSTEM_EVENT_ETH_STOP, /*!< ESP32 ethernet stop */
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SYSTEM_EVENT_ETH_CONNECTED, /*!< ESP32 ethernet phy link up */
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SYSTEM_EVENT_ETH_DISCONNECTED, /*!< ESP32 ethernet phy link down */
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SYSTEM_EVENT_ETH_GOT_IP, /*!< ESP32 ethernet got IP from connected AP */
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SYSTEM_EVENT_MAX /*!< Number of members in this enum */
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} system_event_id_t;
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/* add this macro define for compatible with old IDF version */
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#ifndef SYSTEM_EVENT_AP_STA_GOT_IP6
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#define SYSTEM_EVENT_AP_STA_GOT_IP6 SYSTEM_EVENT_GOT_IP6
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#endif
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/** Argument structure of SYSTEM_EVENT_STA_WPS_ER_FAILED event */
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typedef wifi_event_sta_wps_fail_reason_t system_event_sta_wps_fail_reason_t;
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/** Argument structure of SYSTEM_EVENT_SCAN_DONE event */
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typedef wifi_event_sta_scan_done_t system_event_sta_scan_done_t;
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/** Argument structure of SYSTEM_EVENT_STA_CONNECTED event */
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typedef wifi_event_sta_connected_t system_event_sta_connected_t;
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/** Argument structure of SYSTEM_EVENT_STA_DISCONNECTED event */
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typedef wifi_event_sta_disconnected_t system_event_sta_disconnected_t;
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/** Argument structure of SYSTEM_EVENT_STA_AUTHMODE_CHANGE event */
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typedef wifi_event_sta_authmode_change_t system_event_sta_authmode_change_t;
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/** Argument structure of SYSTEM_EVENT_STA_WPS_ER_PIN event */
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typedef wifi_event_sta_wps_er_pin_t system_event_sta_wps_er_pin_t;
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/** Argument structure of event */
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typedef wifi_event_ap_staconnected_t system_event_ap_staconnected_t;
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/** Argument structure of event */
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typedef wifi_event_ap_stadisconnected_t system_event_ap_stadisconnected_t;
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/** Argument structure of event */
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typedef wifi_event_ap_probe_req_rx_t system_event_ap_probe_req_rx_t;
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/** Argument structure of event */
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typedef ip_event_ap_staipassigned_t system_event_ap_staipassigned_t;
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/** Argument structure of event */
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typedef ip_event_got_ip_t system_event_sta_got_ip_t;
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/** Argument structure of event */
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typedef ip_event_got_ip6_t system_event_got_ip6_t;
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/** Union of all possible system_event argument structures */
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typedef union {
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system_event_sta_connected_t connected; /*!< ESP32 station connected to AP */
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system_event_sta_disconnected_t disconnected; /*!< ESP32 station disconnected to AP */
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system_event_sta_scan_done_t scan_done; /*!< ESP32 station scan (APs) done */
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system_event_sta_authmode_change_t auth_change; /*!< the auth mode of AP ESP32 station connected to changed */
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system_event_sta_got_ip_t got_ip; /*!< ESP32 station got IP, first time got IP or when IP is changed */
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system_event_sta_wps_er_pin_t sta_er_pin; /*!< ESP32 station WPS enrollee mode PIN code received */
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system_event_sta_wps_fail_reason_t sta_er_fail_reason; /*!< ESP32 station WPS enrollee mode failed reason code received */
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system_event_ap_staconnected_t sta_connected; /*!< a station connected to ESP32 soft-AP */
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system_event_ap_stadisconnected_t sta_disconnected; /*!< a station disconnected to ESP32 soft-AP */
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system_event_ap_probe_req_rx_t ap_probereqrecved; /*!< ESP32 soft-AP receive probe request packet */
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system_event_ap_staipassigned_t ap_staipassigned; /**< ESP32 soft-AP assign an IP to the station*/
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system_event_got_ip6_t got_ip6; /*!< ESP32 station or ap or ethernet ipv6 addr state change to preferred */
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} system_event_info_t;
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/** Event, as a tagged enum */
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typedef struct {
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system_event_id_t event_id; /*!< event ID */
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system_event_info_t event_info; /*!< event information */
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} system_event_t;
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/** Event handler function type */
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typedef esp_err_t (*system_event_handler_t)(system_event_t *event);
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/**
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* @brief Send a event to event task
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*
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* @note This API is part of the legacy event system. New code should use event library API in esp_event.h
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*
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* Other task/modules, such as the tcpip_adapter, can call this API to send an event to event task
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*
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* @param event Event to send
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*
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* @return ESP_OK : succeed
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* @return others : fail
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*/
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esp_err_t esp_event_send(system_event_t *event);
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/**
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* @brief Default event handler for system events
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*
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* @note This API is part of the legacy event system. New code should use event library API in esp_event.h
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*
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* This function performs default handling of system events.
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* When using esp_event_loop APIs, it is called automatically before invoking the user-provided
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* callback function.
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*
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* Applications which implement a custom event loop must call this function
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* as part of event processing.
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*
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* @param event pointer to event to be handled
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* @return ESP_OK if an event was handled successfully
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*/
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esp_err_t esp_event_process_default(system_event_t *event);
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/**
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* @brief Install default event handlers for Ethernet interface
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*
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* @note This API is part of the legacy event system. New code should use event library API in esp_event.h
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*
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*/
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void esp_event_set_default_eth_handlers();
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/**
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* @brief Install default event handlers for Wi-Fi interfaces (station and AP)
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*
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* @note This API is part of the legacy event system. New code should use event library API in esp_event.h
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*/
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void esp_event_set_default_wifi_handlers();
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/**
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* @brief Application specified event callback function
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*
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* @note This API is part of the legacy event system. New code should use event library API in esp_event.h
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*
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*
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* @param ctx reserved for user
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* @param event event type defined in this file
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*
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* @return
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* - ESP_OK: succeed
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* - others: fail
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*/
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typedef esp_err_t (*system_event_cb_t)(void *ctx, system_event_t *event);
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/**
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* @brief Initialize event loop
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*
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* @note This API is part of the legacy event system. New code should use event library API in esp_event.h
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*
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* Create the event handler and task
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*
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* @param cb application specified event callback, it can be modified by call esp_event_set_cb
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* @param ctx reserved for user
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*
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* @return
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* - ESP_OK: succeed
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* - others: fail
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*/
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esp_err_t esp_event_loop_init(system_event_cb_t cb, void *ctx);
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/**
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* @brief Set application specified event callback function
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*
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* @note This API is part of the legacy event system. New code should use event library API in esp_event.h
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*
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* @attention 1. If cb is NULL, means application don't need to handle
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* If cb is not NULL, it will be call when an event is received, after the default event callback is completed
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*
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* @param cb application callback function
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* @param ctx argument to be passed to callback
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*
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*
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* @return old callback
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*/
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system_event_cb_t esp_event_loop_set_cb(system_event_cb_t cb, void *ctx);
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#ifdef __cplusplus
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}
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#endif
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