full code

src/oled/hello-rust/index.md

@@ -100,5 +100,75 @@ git clone https://github.com/ImplFerris/esp32-projects
 cd esp32-projects/hello-oled
 ```
 
+## Full code
 
-
+```rust
+#![no_std]
+#![no_main]
+
+use embassy_executor::Spawner;
+use embassy_time::{Duration, Timer};
+use embedded_graphics::{
+    mono_font::{ascii::FONT_6X10, MonoTextStyleBuilder},
+    pixelcolor::BinaryColor,
+    prelude::Point,
+    text::{Baseline, Text},
+};
+use esp_backtrace as _;
+use esp_hal::prelude::*;
+use log::info;
+use ssd1306::{
+    mode::DisplayConfigAsync, prelude::DisplayRotation, size::DisplaySize128x64,
+    I2CDisplayInterface, Ssd1306Async,
+};
+
+use embedded_graphics::prelude::*;
+
+#[main]
+async fn main(_spawner: Spawner) {
+    let peripherals = esp_hal::init({
+        let mut config = esp_hal::Config::default();
+        config.cpu_clock = CpuClock::max();
+        config
+    });
+
+    esp_println::logger::init_logger_from_env();
+
+    let timer0 = esp_hal::timer::timg::TimerGroup::new(peripherals.TIMG1);
+    esp_hal_embassy::init(timer0.timer0);
+
+    info!("Embassy initialized!");
+
+    let i2c0 = esp_hal::i2c::master::I2c::new(
+        peripherals.I2C0,
+        esp_hal::i2c::master::Config {
+            frequency: 400.kHz(),
+            timeout: Some(100),
+        },
+    )
+    .with_scl(peripherals.GPIO18)
+    .with_sda(peripherals.GPIO23)
+    .into_async();
+
+    let interface = I2CDisplayInterface::new(i2c0);
+    // initialize the display
+    let mut display = Ssd1306Async::new(interface, DisplaySize128x64, DisplayRotation::Rotate0)
+        .into_buffered_graphics_mode();
+    display.init().await.unwrap();
+
+    let text_style = MonoTextStyleBuilder::new()
+        .font(&FONT_6X10)
+        .text_color(BinaryColor::On)
+        .build();
+
+    Text::with_baseline("Hello, Rust!", Point::new(0, 16), text_style, Baseline::Top)
+        .draw(&mut display)
+        .unwrap();
+
+    display.flush().await.unwrap();
+
+    loop {
+        Timer::after(Duration::from_secs(1)).await;
+    }
+}
+```