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