52 lines
1.0 KiB
Lua
52 lines
1.0 KiB
Lua
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local function settings(name, defaults)
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for key, value in pairs(defaults) do
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if not nvs.exists(name, key) then
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nvs.write(name, key, value)
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end
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end
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local function get(key)
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if nvs.exists(name, key) then
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return nvs.read(name, key)
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else
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return nil
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end
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end
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local function set(key, value)
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if nvs.exists(name, key) then
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return nvs.write(name, key, value)
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end
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end
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local function restore()
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for key, value in pairs(defaults) do
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nvs.write(name, key, value)
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end
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end
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local function load()
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local s = {}
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for key, _ in pairs(defaults) do
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s[key] = get(key)
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end
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return s
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end
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local function save(s)
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for key, value in pairs(s) do
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set(key, value)
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end
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end
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return {
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get = get,
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set = set,
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load = load,
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save = save,
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restore = restore
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}
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end
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return settings
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