# `IEC60870.IO.File.FileSegment`
[🔗](https://github.com/Ultraluv/ex_iec60870/blob/main/lib/iec60870/io/file.ex#L140)

File data segment (F_SG_NA_1, TypeID 125).

# `t`

```elixir
@type t() :: %IEC60870.IO.File.FileSegment{
  data: binary(),
  ioa: non_neg_integer(),
  nof: non_neg_integer(),
  nos: byte()
}
```

# `max_data_size`

```elixir
@spec max_data_size(IEC60870.AppLayerParameters.t()) :: non_neg_integer()
```

Maximum segment payload size for given `AppLayerParameters`, matching `FileSegment_GetMaxDataSize`.

# `new`

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*Consult [api-reference.md](api-reference.md) for complete listing*