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fix(nvs_flash): nvs_set with same key and different data type

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Function now always rewrites old value under same key
regardless existing data type. Users requiring old API behaviour
can enable it by kconfig option CONFIG_NVS_LEGACY_DUP_KEYS_COMPATIBILITY
This commit is contained in:
radek.tandler
2023-08-25 17:15:18 +02:00
committed by BOT
parent d33ee17dee
commit e8992f500c
9 changed files with 110 additions and 15 deletions
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docs/en/api-reference/storage/nvs_flash.rst
+2 -5
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@@ -35,12 +35,9 @@ NVS operates on key-value pairs. Keys are ASCII strings; the maximum key length
Additional types, such as ``float`` and ``double`` might be added later.
Keys are required to be unique. Assigning a new value to an existing key works as follows:
Keys are required to be unique. Assigning a new value to an existing key replaces the old value and data type with the value and data type specified by a write operation.
- If the new value is of the same type as the old one, value is updated.
- If the new value has a different data type, an error is returned.
Data type check is also performed when reading a value. An error is returned if the data type of the read operation does not match the data type of the value.
A data type check is performed when reading a value. An error is returned if the data type expected by read operation does not match the data type of entry found for the key provided.
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