esp-idf/docs/api/nvs.rst

.. include:: ../../components/nvs_flash/README.rst

API Reference
-------------

Enumerations
^^^^^^^^^^^^

.. doxygenenum:: nvs_open_mode

Functions
^^^^^^^^^

.. doxygenfunction:: nvs_flash_init
.. doxygenfunction:: nvs_flash_init_custom

.. doxygenfunction:: nvs_open

*Note: the following nvs_set_X function are "the same" except the data type accepted*

.. doxygenfunction:: nvs_set_i8
.. doxygenfunction:: nvs_set_u8
.. doxygenfunction:: nvs_set_i16
.. doxygenfunction:: nvs_set_u16
.. doxygenfunction:: nvs_set_i32
.. doxygenfunction:: nvs_set_u32
.. doxygenfunction:: nvs_set_i64
.. doxygenfunction:: nvs_set_u64
.. doxygenfunction:: nvs_set_str
.. doxygenfunction:: nvs_set_blob

*Note: the following nvs_get_X functions are "the same" except the data type returned*

.. doxygenfunction:: nvs_get_i8
.. doxygenfunction:: nvs_get_u8
.. doxygenfunction:: nvs_get_i16
.. doxygenfunction:: nvs_get_u16
.. doxygenfunction:: nvs_get_i32
.. doxygenfunction:: nvs_get_u32
.. doxygenfunction:: nvs_get_i64
.. doxygenfunction:: nvs_get_u64
.. doxygenfunction:: nvs_get_str
.. doxygenfunction:: nvs_get_blob

.. doxygenfunction:: nvs_erase_key
.. doxygenfunction:: nvs_erase_all
.. doxygenfunction:: nvs_commit
.. doxygenfunction:: nvs_close

Error codes
^^^^^^^^^^^

.. doxygendefine:: ESP_ERR_NVS_BASE
.. doxygendefine:: ESP_ERR_NVS_NOT_INITIALIZED
.. doxygendefine:: ESP_ERR_NVS_NOT_FOUND
.. doxygendefine:: ESP_ERR_NVS_TYPE_MISMATCH
.. doxygendefine:: ESP_ERR_NVS_READ_ONLY
.. doxygendefine:: ESP_ERR_NVS_NOT_ENOUGH_SPACE
.. doxygendefine:: ESP_ERR_NVS_INVALID_NAME
.. doxygendefine:: ESP_ERR_NVS_INVALID_HANDLE
.. doxygendefine:: ESP_ERR_NVS_REMOVE_FAILED
.. doxygendefine:: ESP_ERR_NVS_KEY_TOO_LONG
.. doxygendefine:: ESP_ERR_NVS_PAGE_FULL
.. doxygendefine:: ESP_ERR_NVS_INVALID_STATE
.. doxygendefine:: ESP_ERR_NVS_INVALID_LENGTH