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97 lines
3.6 KiB
C
97 lines
3.6 KiB
C
/******************************************************************************
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* author: kerwincui
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* create: 2021-06-08
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* email：164770707@qq.com
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* source:https://github.com/kerwincui/wumei-smart
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******************************************************************************/
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#include "wifi.h"
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#define LISTEN_INTERVAL 3 //站监听AP信标的间隔。监听间隔的单位是一个信标间隔。例如，如果信标间隔为100 ms，侦听间隔为3，则站侦听信标的间隔为300 ms。
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#define WIFI_CONNECTED_BIT BIT0
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#define WIFI_FAIL_BIT BIT1
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char ssid[33]="ssid"; // wifi的SSID
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char pwd[65]="password"; // wifi的密码
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static const char *TAG = "WIFI";
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static EventGroupHandle_t s_wifi_event_group;
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static esp_event_handler_instance_t instance_any_id;
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static esp_event_handler_instance_t instance_got_ip;
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// 回调函数
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static void station_event_handler(void* arg, esp_event_base_t event_base, int32_t event_id, void* event_data)
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{
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printf("station event handler begin \n\n\n");
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if (event_base == WIFI_EVENT && event_id == WIFI_EVENT_STA_START) {
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esp_wifi_connect();
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} else if (event_base == WIFI_EVENT && event_id == WIFI_EVENT_STA_DISCONNECTED) {
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esp_wifi_connect();
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} else if (event_base == IP_EVENT && event_id == IP_EVENT_STA_GOT_IP) {
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ip_event_got_ip_t* event = (ip_event_got_ip_t*) event_data;
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ESP_LOGI(TAG, "got ip: " IPSTR, IP2STR(&event->ip_info.ip));
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xEventGroupSetBits(s_wifi_event_group, WIFI_CONNECTED_BIT);
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}
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}
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//站点模式初始化
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static void wifi_station_init(void)
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{
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esp_netif_create_default_wifi_sta();
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ESP_ERROR_CHECK(esp_event_handler_instance_register(WIFI_EVENT, ESP_EVENT_ANY_ID, &station_event_handler, NULL, &instance_any_id));
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ESP_ERROR_CHECK(esp_event_handler_instance_register(IP_EVENT, IP_EVENT_STA_GOT_IP, &station_event_handler, NULL, &instance_got_ip));
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wifi_config_t wifi_config = {
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.sta = {
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.listen_interval = LISTEN_INTERVAL,
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/* 设置密码意味着工作站将连接到包括WEP/WPA在内的所有安全模式。但是，这些模式已被弃用，不建议使用。
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* 如果您的接入点不支持WPA2，可以通过在下面的行注释来启用这些模式 */
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//.threshold.authmode = WIFI_AUTH_WPA2_PSK,
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//PMF功能
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.pmf_cfg = {
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.capable = true,
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.required = false
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},
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},
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};
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// wifi配置赋值
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strcpy((char *)wifi_config.sta.ssid,(char *)ssid);
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strcpy((char *)wifi_config.sta.password,(char *)pwd);
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ESP_ERROR_CHECK(esp_wifi_set_config(ESP_IF_WIFI_STA, &wifi_config));
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}
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//启动wifi站点
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void wifi_start(void)
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{
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s_wifi_event_group = xEventGroupCreate();
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ESP_ERROR_CHECK(esp_netif_init());
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wifi_init_config_t cfg = WIFI_INIT_CONFIG_DEFAULT();
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ESP_ERROR_CHECK(esp_wifi_init(&cfg));
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ESP_ERROR_CHECK(esp_wifi_set_mode(WIFI_MODE_STA));
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ESP_LOGI(TAG, "ESP_WIFI_MODE_STA");
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wifi_station_init();
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ESP_ERROR_CHECK(esp_wifi_start());
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//STATION模式，等待建立连接或者超过连接最大次数后连接失败，比特位是通过事件处理程序设置
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EventBits_t bits = xEventGroupWaitBits(s_wifi_event_group,
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WIFI_CONNECTED_BIT | WIFI_FAIL_BIT,
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pdFALSE,
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pdFALSE,
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portMAX_DELAY);
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if (bits & WIFI_CONNECTED_BIT) {
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ESP_LOGI(TAG, "connected to ap SSID:%s password:%s",ssid, pwd);
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} else if (bits & WIFI_FAIL_BIT) {
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ESP_LOGI(TAG, "Failed to connect to SSID:%s, password:%s", ssid, pwd);
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} else {
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ESP_LOGE(TAG, "UNEXPECTED EVENT");
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}
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}
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