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//! oled_async OLED display driver
//!
//! The driver must be initialised by passing an instance that implements the AsyncWriteOnlyDataCommand
//! trait from the display-interface crate. Usually this is either:
//! * display_interface_spi::SPIInterface<...> or
//! * display_interface_i2c::I2CInterface<...>
//!
//! This is provided to the [`Builder`](builder/struct.Builder.html),
//! which will in turn create a driver instance in a particular mode. By default, the builder
//! returns a `mode::RawMode` instance which isn't very useful by itself. You can coerce the driver
//! into a more useful mode by calling `into()` and defining the type you want to coerce to. For
//! example, to initialise the display with an I2C interface and
//! [`mode::GraphicsMode`](mode/graphics/struct.GraphicsMode.html), you would do something like
//! this:
//!
//! ```rust,no_run
//! use oled_async::{prelude::*, Builder};
//! use oled_async::displays::sh1107::Sh1107_128_128;
//!
//! let raw_disp = Builder::new(Sh1107_128_128 {})
//! .with_rotation(crate::DisplayRotation::Rotate180)
//! .connect(display_interface);
//! let mut display: GraphicsMode<_, _> = raw_disp.into();
//! display.reset(&mut reset, &mut delay).unwrap();
//! display.init().await.unwrap();
//! display.clear();
//! display.flush().await.unwrap();
//!
//!
//! let mut display: GraphicsMode<_> = Builder::new().connect_i2c(i2c).into();
//!
//! display.init().unwrap();
//! display.flush().unwrap();
//!
//! display.set_pixel(10, 20, 1);
//!
//! display.flush().await.unwrap();
//! ```
//!
//! See the [examples](https://github.com/cschuhen/oled_drivers/tree/master/examples)
//! for more usage. The [entire `embedded_graphics` featureset](https://github.com/jamwaffles/embedded-graphics#features)
//! is supported by this driver.
//!
//! It's possible to customise the driver to suit your display/application. Take a look at the
//! [Builder] for available options. Look in src/variants for different supported display
//! variants.
//!
//! # Examples
//!
//! ## Draw some text to the display
//!
//! Uses [mode::GraphicsMode] and [embedded_graphics](../embedded_graphics/index.html).
//!
//! ```rust,no_run
//! use embedded_graphics::{
//! mono_font::{ascii::FONT_6X10, MonoTextStyleBuilder},
//! pixelcolor::BinaryColor,
//! prelude::*,
//! text::{Baseline, Text},
//! };
//! use oled_async::{prelude::*, Builder};
//! # let display_interface # See display_interface crate or examples
//!
//! let mut display: GraphicsMode<_, _> = Builder::new(oled_async::displays::sh1107::Sh1107_128_128 {})
//! .with_rotation(crate::DisplayRotation::Rotate180)
//! .connect(display_interface)
//! .into();
//!
//! display.init().unwrap();
//! display.flush().unwrap();
//!
//! let text_style = MonoTextStyleBuilder::new()
//! .font(&FONT_6X10)
//! .text_color(BinaryColor::On)
//! .build();
//!
//! Text::with_baseline("Hello world!", Point::zero(), text_style, Baseline::Top)
//! .draw(&mut display)
//! .unwrap();
//!
//! Text::with_baseline("Hello Rust!", Point::new(0, 16), text_style, Baseline::Top)
//! .draw(&mut display)
//! .unwrap();
//!
//! display.flush().unwrap();
//! ```
/// Errors in this crate
extern crate embedded_hal as hal;
//pub mod test_helpers;
pub use crate;