[](https://components.espressif.com/components/espressif/esp_msc_ota)
## Introduction to ESP MSC OTA Component
``esp_msc_ota`` is a USB disk OTA program based on ESP32 USB OTG peripheral.
* Supports hot-plugging of USB disk.
* Supports USB disk OTA functionality.
### User Guide
Please refer: https://docs.espressif.com/projects/esp-iot-solution/en/latest/usb/usb_host/esp_msc_ota.html
### Adding the Component to the Project
Please use the component manager command `add-dependency` to add `esp_msc_ota` as a dependency to your project. During the `CMake` execution, this component will be automatically downloaded to the project directory.
```
idf.py add-dependency "espressif/esp_msc_ota=*"
```
## Usage Example
```C
esp_event_loop_create_default();
ESP_ERROR_CHECK(esp_event_handler_register(ESP_MSC_OTA_EVENT, ESP_EVENT_ANY_ID, &msc_ota_event_handler, NULL));
esp_msc_host_config_t msc_host_config = {
.base_path = "/usb",
.host_driver_config = DEFAULT_MSC_HOST_DRIVER_CONFIG(),
.vfs_fat_mount_config = DEFAULT_ESP_VFS_FAT_MOUNT_CONFIG(),
.host_config = DEFAULT_USB_HOST_CONFIG()
};
esp_msc_host_handle_t host_handle = NULL;
esp_msc_host_install(&msc_host_config, &host_handle);
esp_msc_ota_config_t config = {
.ota_bin_path = "/usb/ota_test.bin",
.wait_msc_connect = pdMS_TO_TICKS(5000),
};
esp_msc_ota(&config);
esp_msc_host_uninstall(host_handle);
```
## Notes
* For the default file system, filenames should not exceed 11 characters. If support for long-named files is needed, please enable any of the macros below:
* CONFIG_FATFS_LFN_HEAP
* CONFIG_FATFS_LFN_STACK
idf.py add-dependency "espressif/esp_msc_ota^0.1.1"