利用esp-rainmaker编一段esp32c3配网的代码？

以下是一个简单的esp32c3配网的示例代码，使用ESP RainMaker库：

#include <esp_wifi.h>
#include <esp_event.h>
#include <esp_log.h>
#include <nvs_flash.h>
#include <esp_rmaker_core.h>
#include <esp_rmaker_wifi.h>

#define EXAMPLE_ESP_WIFI_SSID      "your_wifi_ssid"
#define EXAMPLE_ESP_WIFI_PASS      "your_wifi_password"

static const char *TAG = "rainmaker_example";

/* Event handler for catching RainMaker events */
static esp_err_t rainmaker_event_handler(void *ctx, esp_event_base_t base, int32_t event_id, void *data)
{
    switch (event_id) {
        case ESP_RMAKER_EVENT_NETWORK_CONNECTED:
            ESP_LOGI(TAG, "RainMaker connected to the network");
            break;
        case ESP_RMAKER_EVENT_CLAIM_SUCCESSFUL:
            ESP_LOGI(TAG, "RainMaker claim successful");
            break;
        case ESP_RMAKER_EVENT_CLAIM_FAILED:
            ESP_LOGI(TAG, "RainMaker claim failed");
            break;
        case ESP_RMAKER_EVENT_CONFIG_RECEIVED:
            ESP_LOGI(TAG, "RainMaker configuration received");
            break;
        case ESP_RMAKER_EVENT_DEVICE_REBOOT:
            ESP_LOGI(TAG, "Rebooting the device");
            esp_restart();
            break;
    }
    return ESP_OK;
}

void app_main()
{
    /* Initialize NVS */
    esp_err_t err = nvs_flash_init();
    if (err != ESP_OK) {
        ESP_LOGE(TAG, "Failed to initialize NVS");
        return;
    }

    /* Initialize WiFi */
    wifi_init_config_t cfg = WIFI_INIT_CONFIG_DEFAULT();
    err = esp_wifi_init(&cfg);
    if (err != ESP_OK) {
        ESP_LOGE(TAG, "Failed to initialize WiFi");
        return;
    }

    err = esp_wifi_set_storage(WIFI_STORAGE_RAM);
    if (err != ESP_OK) {
        ESP_LOGE(TAG, "Failed to set WiFi storage");
        return;
    }

    wifi_config_t wifi_config = {
        .sta = {
            .ssid = EXAMPLE_ESP_WIFI_SSID,
            .password = EXAMPLE_ESP_WIFI_PASS,
        },
    };
    err = esp_wifi_set_mode(WIFI_MODE_STA);
    if (err != ESP_OK) {
        ESP_LOGE(TAG, "Failed to set WiFi mode");
        return;
    }

    err = esp_wifi_set_config(ESP_IF_WIFI_STA, &wifi_config);
    if (err != ESP_OK) {
        ESP_LOGE(TAG, "Failed to set WiFi configuration");
        return;
    }

    err = esp_wifi_start();
    if (err != ESP_OK) {
        ESP_LOGE(TAG, "Failed to start WiFi");
        return;
    }

    /* Initialize ESP RainMaker */
    err = esp_rmaker_core_init();
    if (err != ESP_OK) {
        ESP_LOGE(TAG, "Failed to initialize ESP RainMaker");
        return;
    }

    err = esp_rmaker_wifi_init();
    if (err != ESP_OK) {
        ESP_LOGE(TAG, "Failed to initialize ESP RainMaker WiFi");
        return;
    }

    /* Register event handler for RainMaker events */
    esp_event_handler_register(ESP_RMAKER_EVENT, ESP_EVENT_ANY_ID, rainmaker_event_handler, NULL);

    /* Start ESP RainMaker */
    err = esp_rmaker_start();
    if (err != ESP_OK) {
        ESP_LOGE(TAG, "Failed to start ESP RainMaker");
        return;
    }

    ESP_LOGI(TAG, "ESP RainMaker started successfully");
}

在这个示例代码中，首先初始化了NVS和WiFi。然后，使用ESP RainMaker库初始化了ESP RainMaker，并在RainMaker事件中心注册了事件处理程序。最后，启动了ESP RainMaker。

请注意，您需要将“your_wifi_ssid”和“your_wifi_password”替换为您要连接的WiFi网络的名称和密码。