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Pins

endbasic_std::gpio

Trait Pins 

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pub trait Pins {
    // Required methods
    fn as_any(&self) -> &dyn Any;
    fn as_any_mut(&mut self) -> &mut dyn Any;
    fn setup(&mut self, pin: Pin, mode: PinMode) -> Result<()>;
    fn clear(&mut self, pin: Pin) -> Result<()>;
    fn clear_all(&mut self) -> Result<()>;
    fn read(&mut self, pin: Pin) -> Result<bool>;
    fn write(&mut self, pin: Pin, v: bool) -> Result<()>;
}
Expand description

Generic abstraction over a GPIO chip to back all EndBASIC commands.

Required Methods§

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fn as_any(&self) -> &dyn Any

Returns self as &dyn Any to allow downcasting to a concrete type.

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fn as_any_mut(&mut self) -> &mut dyn Any

Returns self as &mut dyn Any to allow downcasting to a concrete type.

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fn setup(&mut self, pin: Pin, mode: PinMode) -> Result<()>

Configures the pin as either input or output (per mode).

This lazily initialies the GPIO chip as well on the first pin setup.

It is OK to set up a pin multiple times without calling clear() in-between.

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fn clear(&mut self, pin: Pin) -> Result<()>

Resets a given pin to its default state.

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fn clear_all(&mut self) -> Result<()>

Resets all pins to their default state.

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fn read(&mut self, pin: Pin) -> Result<bool>

Reads the value of the given pin, which must have been previously setup as an input pin.

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fn write(&mut self, pin: Pin, v: bool) -> Result<()>

Writes v to the given pin, which must have been previously setup as an output pin.

Implementors§