mirror of
https://github.com/espressif/esp-idf.git
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368 lines
12 KiB
C
368 lines
12 KiB
C
// Copyright 2015-2016 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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// 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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#include <stddef.h>
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#include <stdlib.h>
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#include <string.h>
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#include "esp_err.h"
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#include "esp_wifi.h"
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#include "esp_event.h"
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#include "esp_task.h"
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#include "freertos/FreeRTOS.h"
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#include "freertos/task.h"
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#include "freertos/queue.h"
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#include "freertos/semphr.h"
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#include "tcpip_adapter.h"
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#define ESP32_WORKAROUND 1
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#if CONFIG_WIFI_ENABLED
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static bool event_init_flag = false;
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static xQueueHandle g_event_handler = NULL;
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static system_event_cb_t g_event_handler_cb;
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static void *g_event_ctx;
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#define WIFI_DEBUG(...)
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#define WIFI_API_CALL_CHECK(info, api_call, ret) \
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do{\
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esp_err_t __err = (api_call);\
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if ((ret) != __err) {\
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WIFI_DEBUG("%s %d %s ret=%d\n", __FUNCTION__, __LINE__, (info), __err);\
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return __err;\
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}\
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} while(0)
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typedef esp_err_t (*system_event_handle_fn_t)(system_event_t *e);
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typedef struct {
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system_event_id_t event_id;
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system_event_handle_fn_t event_handle;
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} system_event_handle_t;
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static esp_err_t system_event_ap_start_handle_default(system_event_t *event);
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static esp_err_t system_event_ap_stop_handle_default(system_event_t *event);
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static esp_err_t system_event_sta_start_handle_default(system_event_t *event);
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static esp_err_t system_event_sta_stop_handle_default(system_event_t *event);
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static esp_err_t system_event_sta_connected_handle_default(system_event_t *event);
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static esp_err_t system_event_sta_disconnected_handle_default(system_event_t *event);
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static esp_err_t system_event_sta_got_ip_default(system_event_t *event);
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static system_event_handle_t g_system_event_handle_table[] = {
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{SYSTEM_EVENT_WIFI_READY, NULL},
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{SYSTEM_EVENT_SCAN_DONE, NULL},
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{SYSTEM_EVENT_STA_START, system_event_sta_start_handle_default},
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{SYSTEM_EVENT_STA_STOP, system_event_sta_stop_handle_default},
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{SYSTEM_EVENT_STA_CONNECTED, system_event_sta_connected_handle_default},
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{SYSTEM_EVENT_STA_DISCONNECTED, system_event_sta_disconnected_handle_default},
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{SYSTEM_EVENT_STA_AUTHMODE_CHANGE, NULL},
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{SYSTEM_EVENT_STA_GOT_IP, system_event_sta_got_ip_default},
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{SYSTEM_EVENT_AP_START, system_event_ap_start_handle_default},
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{SYSTEM_EVENT_AP_STOP, system_event_ap_stop_handle_default},
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{SYSTEM_EVENT_AP_STACONNECTED, NULL},
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{SYSTEM_EVENT_AP_STADISCONNECTED, NULL},
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{SYSTEM_EVENT_AP_PROBEREQRECVED, NULL},
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{SYSTEM_EVENT_MAX, NULL},
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};
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static esp_err_t system_event_sta_got_ip_default(system_event_t *event)
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{
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extern esp_err_t esp_wifi_set_sta_ip(void);
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WIFI_API_CALL_CHECK("esp_wifi_set_sta_ip", esp_wifi_set_sta_ip(), ESP_OK);
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printf("ip: " IPSTR ", mask: " IPSTR ", gw: " IPSTR "\n",
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IP2STR(&event->event_info.got_ip.ip_info.ip),
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IP2STR(&event->event_info.got_ip.ip_info.netmask),
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IP2STR(&event->event_info.got_ip.ip_info.gw));
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return ESP_OK;
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}
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esp_err_t system_event_ap_start_handle_default(system_event_t *event)
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{
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tcpip_adapter_ip_info_t ap_ip;
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uint8_t ap_mac[6];
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WIFI_API_CALL_CHECK("esp_wifi_reg_rxcb", esp_wifi_reg_rxcb(WIFI_IF_AP, (wifi_rxcb_t)tcpip_adapter_ap_input), ESP_OK);
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WIFI_API_CALL_CHECK("esp_wifi_mac_get", esp_wifi_get_mac(WIFI_IF_AP, ap_mac), ESP_OK);
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tcpip_adapter_get_ip_info(TCPIP_ADAPTER_IF_AP, &ap_ip);
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tcpip_adapter_start(TCPIP_ADAPTER_IF_AP, ap_mac, &ap_ip);
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return ESP_OK;
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}
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esp_err_t system_event_ap_stop_handle_default(system_event_t *event)
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{
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WIFI_API_CALL_CHECK("esp_wifi_reg_rxcb", esp_wifi_reg_rxcb(WIFI_IF_AP, NULL), ESP_OK);
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tcpip_adapter_stop(TCPIP_ADAPTER_IF_AP);
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return ESP_OK;
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}
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esp_err_t system_event_sta_start_handle_default(system_event_t *event)
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{
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tcpip_adapter_ip_info_t sta_ip;
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uint8_t sta_mac[6];
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WIFI_API_CALL_CHECK("esp_wifi_mac_get", esp_wifi_get_mac(WIFI_IF_STA, sta_mac), ESP_OK);
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tcpip_adapter_get_ip_info(TCPIP_ADAPTER_IF_STA, &sta_ip);
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tcpip_adapter_start(TCPIP_ADAPTER_IF_STA, sta_mac, &sta_ip);
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return ESP_OK;
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}
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esp_err_t system_event_sta_stop_handle_default(system_event_t *event)
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{
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tcpip_adapter_stop(TCPIP_ADAPTER_IF_STA);
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return ESP_OK;
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}
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esp_err_t system_event_sta_connected_handle_default(system_event_t *event)
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{
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tcpip_adapter_dhcp_status_t status;
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WIFI_API_CALL_CHECK("esp_wifi_reg_rxcb", esp_wifi_reg_rxcb(WIFI_IF_STA, (wifi_rxcb_t)tcpip_adapter_sta_input), ESP_OK);
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tcpip_adapter_up(TCPIP_ADAPTER_IF_STA);
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tcpip_adapter_dhcpc_get_status(TCPIP_ADAPTER_IF_STA, &status);
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if (status == TCPIP_ADAPTER_DHCP_INIT) {
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tcpip_adapter_dhcpc_start(TCPIP_ADAPTER_IF_STA);
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} else if (status == TCPIP_ADAPTER_DHCP_STOPPED) {
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tcpip_adapter_ip_info_t sta_ip;
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tcpip_adapter_get_ip_info(TCPIP_ADAPTER_IF_STA, &sta_ip);
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if (!(ip4_addr_isany_val(sta_ip.ip) || ip4_addr_isany_val(sta_ip.netmask) || ip4_addr_isany_val(sta_ip.gw))) {
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system_event_t evt;
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//notify event
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evt.event_id = SYSTEM_EVENT_STA_GOT_IP;
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memcpy(&evt.event_info.got_ip.ip_info, &sta_ip, sizeof(tcpip_adapter_ip_info_t));
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esp_event_send(&evt);
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} else {
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WIFI_DEBUG("invalid static ip\n");
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}
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}
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return ESP_OK;
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}
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esp_err_t system_event_sta_disconnected_handle_default(system_event_t *event)
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{
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tcpip_adapter_down(TCPIP_ADAPTER_IF_STA);
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WIFI_API_CALL_CHECK("esp_wifi_reg_rxcb", esp_wifi_reg_rxcb(WIFI_IF_STA, NULL), ESP_OK);
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return ESP_OK;
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}
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static esp_err_t esp_wifi_post_event_to_user(system_event_t *event)
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{
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if (g_event_handler_cb) {
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return (*g_event_handler_cb)(g_event_ctx, event);
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}
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return ESP_OK;
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}
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static esp_err_t esp_system_event_debug(system_event_t *event)
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{
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if (event == NULL) {
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printf("Error: event is null!\n");
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return ESP_FAIL;
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}
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WIFI_DEBUG("received event: ");
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switch (event->event_id) {
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case SYSTEM_EVENT_WIFI_READY: {
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WIFI_DEBUG("SYSTEM_EVENT_WIFI_READY\n");
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break;
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}
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case SYSTEM_EVENT_SCAN_DONE: {
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system_event_sta_scan_done_t *scan_done;
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scan_done = &event->event_info.scan_done;
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WIFI_DEBUG("SYSTEM_EVENT_SCAN_DONE\nstatus:%d, number:%d\n", scan_done->status, scan_done->number);
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break;
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}
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case SYSTEM_EVENT_STA_START: {
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WIFI_DEBUG("SYSTEM_EVENT_STA_START\n");
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break;
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}
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case SYSTEM_EVENT_STA_STOP: {
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WIFI_DEBUG("SYSTEM_EVENT_STA_STOP\n");
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break;
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}
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case SYSTEM_EVENT_STA_CONNECTED: {
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system_event_sta_connected_t *connected;
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connected = &event->event_info.connected;
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WIFI_DEBUG("SYSTEM_EVENT_STA_CONNECTED\nssid:%s, ssid_len:%d, bssid:%02x:%02x:%02x:%02x:%02x:%02x, channel:%d, authmode:%d\n", \
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connected->ssid, connected->ssid_len, connected->bssid[0], connected->bssid[0], connected->bssid[1], \
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connected->bssid[3], connected->bssid[4], connected->bssid[5], connected->channel, connected->authmode);
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break;
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}
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case SYSTEM_EVENT_STA_DISCONNECTED: {
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system_event_sta_disconnected_t *disconnected;
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disconnected = &event->event_info.disconnected;
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WIFI_DEBUG("SYSTEM_EVENT_STA_DISCONNECTED\nssid:%s, ssid_len:%d, bssid:%02x:%02x:%02x:%02x:%02x:%02x, reason:%d\n", \
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disconnected->ssid, disconnected->ssid_len, disconnected->bssid[0], disconnected->bssid[0], disconnected->bssid[1], \
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disconnected->bssid[3], disconnected->bssid[4], disconnected->bssid[5], disconnected->reason);
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break;
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}
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case SYSTEM_EVENT_STA_AUTHMODE_CHANGE: {
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system_event_sta_authmode_change_t *auth_change;
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auth_change = &event->event_info.auth_change;
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WIFI_DEBUG("SYSTEM_EVENT_STA_AUTHMODE_CHNAGE\nold_mode:%d, new_mode:%d\n", auth_change->old_mode, auth_change->new_mode);
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break;
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}
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case SYSTEM_EVENT_STA_GOT_IP: {
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system_event_sta_got_ip_t *got_ip;
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got_ip = &event->event_info.got_ip;
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WIFI_DEBUG("SYSTEM_EVENT_STA_GOTIP\n");
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break;
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}
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case SYSTEM_EVENT_AP_START: {
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WIFI_DEBUG("SYSTEM_EVENT_AP_START\n");
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break;
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}
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case SYSTEM_EVENT_AP_STOP: {
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WIFI_DEBUG("SYSTEM_EVENT_AP_STOP\n");
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break;
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}
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case SYSTEM_EVENT_AP_STACONNECTED: {
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system_event_ap_staconnected_t *staconnected;
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staconnected = &event->event_info.sta_connected;
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WIFI_DEBUG("SYSTEM_EVENT_AP_STACONNECTED\nmac:%02x:%02x:%02x:%02x:%02x:%02x, aid:%d\n", \
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staconnected->mac[0], staconnected->mac[0], staconnected->mac[1], \
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staconnected->mac[3], staconnected->mac[4], staconnected->mac[5], staconnected->aid);
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break;
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}
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case SYSTEM_EVENT_AP_STADISCONNECTED: {
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system_event_ap_stadisconnected_t *stadisconnected;
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stadisconnected = &event->event_info.sta_disconnected;
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WIFI_DEBUG("SYSTEM_EVENT_AP_STADISCONNECTED\nmac:%02x:%02x:%02x:%02x:%02x:%02x, aid:%d\n", \
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stadisconnected->mac[0], stadisconnected->mac[0], stadisconnected->mac[1], \
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stadisconnected->mac[3], stadisconnected->mac[4], stadisconnected->mac[5], stadisconnected->aid);
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break;
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}
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case SYSTEM_EVENT_AP_PROBEREQRECVED: {
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system_event_ap_probe_req_rx_t *ap_probereqrecved;
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ap_probereqrecved = &event->event_info.ap_probereqrecved;
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WIFI_DEBUG("SYSTEM_EVENT_AP_PROBEREQRECVED\nrssi:%d, mac:%02x:%02x:%02x:%02x:%02x:%02x\n", \
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ap_probereqrecved->rssi, ap_probereqrecved->mac[0], ap_probereqrecved->mac[0], ap_probereqrecved->mac[1], \
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ap_probereqrecved->mac[3], ap_probereqrecved->mac[4], ap_probereqrecved->mac[5]);
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break;
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}
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default: {
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printf("Error: no such kind of event!\n");
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break;
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}
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}
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return ESP_OK;
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}
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static esp_err_t esp_system_event_handler(system_event_t *event)
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{
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if (event == NULL) {
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printf("Error: event is null!\n");
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return ESP_FAIL;
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}
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esp_system_event_debug(event);
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if ((event->event_id < SYSTEM_EVENT_MAX) && (event->event_id == g_system_event_handle_table[event->event_id].event_id)) {
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if (g_system_event_handle_table[event->event_id].event_handle) {
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WIFI_DEBUG("enter default callback\n");
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g_system_event_handle_table[event->event_id].event_handle(event);
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WIFI_DEBUG("exit default callback\n");
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}
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} else {
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printf("mismatch or invalid event, id=%d\n", event->event_id);
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}
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return esp_wifi_post_event_to_user(event);
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}
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static void esp_system_event_task(void *pvParameters)
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{
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system_event_t evt;
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esp_err_t ret;
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while (1) {
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if (xQueueReceive(g_event_handler, &evt, portMAX_DELAY) == pdPASS) {
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ret = esp_system_event_handler(&evt);
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if (ret == ESP_FAIL) {
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printf("esp wifi post event to user fail!\n");
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}
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}
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}
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}
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system_event_cb_t esp_event_set_cb(system_event_cb_t cb, void *ctx)
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{
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system_event_cb_t old_cb = g_event_handler_cb;
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g_event_handler_cb = cb;
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g_event_ctx = ctx;
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return old_cb;
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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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portBASE_TYPE ret;
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ret = xQueueSendToBack((xQueueHandle)g_event_handler, event, 0);
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if (pdPASS != ret) {
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if (event) {
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printf("e=%d f\n", event->event_id);
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} else {
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printf("e null\n");
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}
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return ESP_FAIL;
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}
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return ESP_OK;
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}
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void *esp_event_get_handler(void)
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{
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return (void *)g_event_handler;
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}
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esp_err_t esp_event_init(system_event_cb_t cb, void *ctx)
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{
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if (event_init_flag) {
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return ESP_FAIL;
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}
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g_event_handler_cb = cb;
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g_event_ctx = ctx;
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g_event_handler = xQueueCreate(CONFIG_SYSTEM_EVENT_QUEUE_SIZE, sizeof(system_event_t));
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xTaskCreatePinnedToCore(esp_system_event_task, "eventTask", ESP_TASKD_EVENT_STACK, NULL, ESP_TASKD_EVENT_PRIO, NULL, 0);
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return ESP_OK;
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}
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#endif
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