I2C and SPI (4 wire) driver for the SSD1306 OLED display.
See the announcement blog post for more information.
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From examples/image_i2c.rs
:
```rust
extern crate cortexm; extern crate cortexmrt as rt; extern crate panicsemihosting; extern crate stm32f1xx_hal as hal;
use cortexmrt::{entry, exception, ExceptionFrame}; use embedded_graphics::{image::Image, pixelcolor::BinaryColor, prelude::}; use hal::{ i2c::{BlockingI2c, DutyCycle, Mode}, prelude::, stm32, }; use ssd1306::{prelude::*, Builder};
fn main() -> ! { let dp = stm32::Peripherals::take().unwrap(); let mut flash = dp.FLASH.constrain(); let mut rcc = dp.RCC.constrain(); let clocks = rcc.cfgr.freeze(&mut flash.acr); let mut afio = dp.AFIO.constrain(&mut rcc.apb2); let mut gpiob = dp.GPIOB.split(&mut rcc.apb2);
let scl = gpiob.pb8.into_alternate_open_drain(&mut gpiob.crh);
let sda = gpiob.pb9.into_alternate_open_drain(&mut gpiob.crh);
let i2c = BlockingI2c::i2c1(
dp.I2C1,
(scl, sda),
&mut afio.mapr,
Mode::Fast {
frequency: 400_000.hz(),
duty_cycle: DutyCycle::Ratio2to1,
},
clocks,
&mut rcc.apb1,
1000,
10,
1000,
1000,
);
let mut disp: GraphicsMode<_> = Builder::new().connect_i2c(i2c).into();
disp.init().unwrap();
let im: Image<BinaryColor> =
Image::new(include_bytes!("./rust.raw"), 64, 64).translate(Point::new(32, 0));
im.draw(&mut disp);
disp.flush().unwrap();
loop {}
}
fn HardFault(ef: &ExceptionFrame) -> ! { panic!("{:#?}", ef); } ```
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Unless you explicitly state otherwise, any contribution intentionally submitted for inclusion in the work by you, as defined in the Apache-2.0 license, shall be dual licensed as above, without any additional terms or conditions.