100 lines
3.2 KiB
C
100 lines
3.2 KiB
C
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#include <string.h>
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#include "wifi_softap.h"
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#include "freertos/FreeRTOS.h"
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#include "freertos/task.h"
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#include "esp_mac.h"
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#include "esp_wifi.h"
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#include "esp_event.h"
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#include "esp_log.h"
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#include "nvs_flash.h"
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#include "lwip/err.h"
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#include "lwip/sys.h"
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// #include "esp_system.h"
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// #include "../../../components/esp_wifi/include/esp_wifi.h"
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// #include "../../../components/esp_hw_support/include/esp_mac.h"
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#define ESP_WIFI_SSID "T2N_056455"
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#define ESP_WIFI_PASS "01010101"
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#define ESP_WIFI_CHANNEL 1
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#define MAX_STA_CONN 8
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static const char *TAG = "wifi softAP";
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static void wifi_event_handler(void *arg, esp_event_base_t event_base,
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int32_t event_id, void *event_data)
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{
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if (event_id == WIFI_EVENT_AP_STACONNECTED) {
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wifi_event_ap_staconnected_t* event = (wifi_event_ap_staconnected_t*) event_data;
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ESP_LOGI(TAG, "station "MACSTR" join, AID=%d",
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MAC2STR(event->mac), event->aid);
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} else if (event_id == WIFI_EVENT_AP_STADISCONNECTED) {
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wifi_event_ap_stadisconnected_t* event = (wifi_event_ap_stadisconnected_t*) event_data;
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ESP_LOGI(TAG, "station "MACSTR" leave, AID=%d",
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MAC2STR(event->mac), event->aid);
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}
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}
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void wifi_init_softap(void)
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{
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ESP_ERROR_CHECK(esp_netif_init());
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ESP_ERROR_CHECK(esp_event_loop_create_default());
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esp_netif_create_default_wifi_ap();
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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_event_handler_instance_register(WIFI_EVENT,
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ESP_EVENT_ANY_ID,
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&wifi_event_handler,
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NULL,
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NULL));
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wifi_config_t wifi_config = {
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.ap = {
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.ssid = ESP_WIFI_SSID,
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.ssid_len = strlen(ESP_WIFI_SSID),
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.channel = ESP_WIFI_CHANNEL,
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.password = ESP_WIFI_PASS,
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.max_connection = MAX_STA_CONN,
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.authmode = WIFI_AUTH_WPA_WPA2_PSK},
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};
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nvs_handle_t my_handle;
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esp_err_t err = nvs_open("wifi", NVS_READWRITE, &my_handle);
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if (err == ESP_OK)
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{
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size_t len;
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char temp_str[64];
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uint8_t channel;
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if (nvs_get_str(my_handle, "ap_ssid", temp_str, &len) == ESP_OK)
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{
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strncpy((char*)wifi_config.ap.ssid, temp_str, len);
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wifi_config.ap.ssid_len = len;
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}
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if (nvs_get_str(my_handle, "ap_psk", temp_str, &len) == ESP_OK)
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{
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strncpy((char*)wifi_config.ap.password, temp_str, len);
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}
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if (nvs_get_u8(my_handle, "ap_ch", &channel) == ESP_OK)
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{
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wifi_config.ap.channel = channel;
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}
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nvs_close(my_handle);
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}
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if (strlen(ESP_WIFI_PASS) == 0)
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{
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wifi_config.ap.authmode = WIFI_AUTH_OPEN;
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}
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ESP_ERROR_CHECK(esp_wifi_set_mode(WIFI_MODE_AP));
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ESP_ERROR_CHECK(esp_wifi_set_config(WIFI_IF_AP, &wifi_config));
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ESP_ERROR_CHECK(esp_wifi_start());
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ESP_LOGI(TAG, "wifi_init_softap finished. SSID:%s password:%s channel:%d",
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ESP_WIFI_SSID, ESP_WIFI_PASS, ESP_WIFI_CHANNEL);
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}
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