lcd_display v0.0.20

LcdDisplay.GPIO.Behaviour behaviour (lcd_display v0.0.20) View Source

Defines a behaviour required for GPIO abstraction.

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Types

gpio_pin()

Callbacks

open(gpio_pin, atom)
write(reference, arg2)

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gpio_pin()

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Specs

gpio_pin() :: pos_integer()

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open(gpio_pin, atom)

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Specs

open(gpio_pin(), :output) :: {:ok, reference()} | {:error, any()}
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write(reference, arg2)

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Specs

write(reference(), 0 | 1) :: :ok | {:error, any()}