83 lines
2.3 KiB
C
83 lines
2.3 KiB
C
#include "wifi_init.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 "esp_netif.h"
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#include "device_config.h"
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static const char *TAG = "WIFI_INIT";
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static void wifi_event_handler(void *arg,
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esp_event_base_t event_base,
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int32_t event_id,
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void *event_data)
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{
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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 &&
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event_id == WIFI_EVENT_STA_DISCONNECTED) {
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ESP_LOGW(TAG, "Disconnected, retrying...");
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esp_wifi_connect();
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} else if (event_base == IP_EVENT &&
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event_id == IP_EVENT_STA_GOT_IP) {
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ESP_LOGI(TAG, "Got IP address");
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}
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}
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void wifi_init(void)
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{
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esp_err_t ret = nvs_flash_init();
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if (ret == ESP_ERR_NVS_NO_FREE_PAGES ||
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ret == ESP_ERR_NVS_NEW_VERSION_FOUND) {
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/* NVS partition was truncated, erase and retry */
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ESP_ERROR_CHECK(nvs_flash_erase());
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ret = nvs_flash_init();
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}
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ESP_ERROR_CHECK(ret);
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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_t *sta_netif = esp_netif_create_default_wifi_sta();
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(void)sta_netif;
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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(
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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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));
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ESP_ERROR_CHECK(esp_event_handler_instance_register(
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IP_EVENT,
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IP_EVENT_STA_GOT_IP,
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&wifi_event_handler,
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NULL,
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NULL
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));
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wifi_config_t wifi_config = { 0 };
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snprintf((char *)wifi_config.sta.ssid,
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sizeof(wifi_config.sta.ssid),
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"%s", WIFI_SSID);
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snprintf((char *)wifi_config.sta.password,
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sizeof(wifi_config.sta.password),
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"%s", WIFI_PASS);
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wifi_config.sta.threshold.authmode = WIFI_AUTH_WPA2_PSK;
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ESP_ERROR_CHECK(esp_wifi_set_mode(WIFI_MODE_STA));
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ESP_ERROR_CHECK(
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esp_wifi_set_config(WIFI_IF_STA, &wifi_config)
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);
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ESP_ERROR_CHECK(esp_wifi_start());
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ESP_LOGI(TAG, "Wi-Fi STA init done, connecting to SSID: %s", WIFI_SSID);
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}
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