Note: Requires requires nightly 2018-08-27 or later. Install with
rustup override set nightly-2018-08-27.
I2C and SPI (4 wire) driver for the SSD1306 OLED display for use with RTFM.
See the announcement blog post for more information.
From examples/image_i2c.rs:
#![no_std]
extern crate cortex_m;
extern crate embedded_graphics;
extern crate embedded_hal as hal;
extern crate ssd1306;
extern crate stm32f103xx_hal as blue_pill;
use blue_pill::i2c::{DutyCycle, I2c, Mode};
use blue_pill::prelude::*;
use embedded_graphics::Drawing;
use embedded_graphics::image::{Image, Image1BPP};
use embedded_graphics::transform::Transform;
use ssd1306::{Builder, mode::GraphicsMode};
fn main() {
let dp = blue_pill::stm32f103xx::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 = I2c::i2c1(
dp.I2C1,
(scl, sda),
&mut afio.mapr,
Mode::Fast {
frequency: 400_000,
duty_cycle: DutyCycle::Ratio1to1,
},
clocks,
&mut rcc.apb1,
);
let mut disp: GraphicsMode<_> = Builder::new().connect_i2c(i2c).into();
disp.init().unwrap();
disp.flush().unwrap();
let im = Image1BPP::new(include_bytes!("./rust.raw"), 64, 64).translate(Coord::new(32, 0));
disp.draw(im.into_iter());
disp.flush().unwrap();
}Licensed under either of
- Apache License, Version 2.0 (LICENSE-APACHE or http://www.apache.org/licenses/LICENSE-2.0)
- MIT license (LICENSE-MIT or http://opensource.org/licenses/MIT)
at your option.
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.