LcdDisplay.SPI.Behaviour behaviour (lcd_display v0.0.21) View Source

Defines a behaviour required for I2C abstraction.

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Link to this section Types

Specs

data() :: binary()

Specs

spi_address() :: byte()

Specs

spi_bus() :: String.t()

Link to this section Callbacks

Specs

open(spi_bus(), list()) :: {:ok, reference()} | {:error, any()}
Link to this callback

transfer(reference, data)

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Specs

transfer(reference(), data()) :: :ok | {:error, any()}