AHT20.I2C.Behaviour behaviour (aht20 v0.1.2) View Source

Defines a behaviour required for I2C device. Based on Circuits I2C's API.

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data()

opts()

address() :: 0..127

bus_name() :: String.t()

data() :: binary()

opts() :: [{:retries, non_neg_integer()}]

open(bus_name()) :: {:ok, reference()} | {:error, any()}

read(reference(), address(), integer(), opts()) ::
  {:ok, binary()} | {:error, any()}

write(reference(), address(), data(), opts()) :: :ok | {:error, any()}

write_read(reference(), address(), data(), integer(), opts()) ::
  {:ok, binary()} | {:error, any()}