踩坑当中~，用于将来查阅 

esp32：获取WiFi的mac地址

uint8_t macAddr[6];
if(esp_wifi_get_mac(ESP_IF_WIFI_STA, macAddr)==ESP_OK){
    ESP_LOGI(TAG,"获取MAC地址: %02x:%02x:%02x:%02x:%02x:%02x\n", macAddr[0], macAddr[1], macAddr[2], macAddr[3], macAddr[4], macAddr[5]);
}

传递结构体到task

 传递int 到task

传递数组到 task

传递字符串到 task