Begin

src/main.rs

@@ -0,0 +1,37 @@
+#![no_main]
+#![no_std]
+
+use defmt::*;
+use embassy_executor::Spawner;
+use embassy_stm32::{Config, bind_interrupts, dma::InterruptHandler, i2c::{self, ErrorInterruptHandler, EventInterruptHandler, I2c}, peripherals::{DMA1_CH1, DMA1_CH2, I2C2}};
+
+use defmt_rtt as _;
+use panic_probe as _;
+
+bind_interrupts!(struct Irqs {
+    DMA1_CHANNEL2_3 => InterruptHandler<DMA1_CH2>;
+    DMA1_CHANNEL1 => InterruptHandler<DMA1_CH1>;
+    I2C2_3 => EventInterruptHandler<I2C2>, ErrorInterruptHandler<I2C2>;
+});
+
+#[embassy_executor::main]
+async fn main(_spawner: Spawner) {
+    let config = Config::default();
+    let p = embassy_stm32::init(config);
+
+    let mut i2c_cfg = i2c::Config::default();
+    // i2c_cfg.sda_pullup = true;
+    // i2c_cfg.scl_pullup = true;
+    i2c_cfg.sda_pullup = false;
+    i2c_cfg.scl_pullup = false;
+    let mut i2c = I2c::new(
+        p.I2C2,
+        p.PA7, p.PA6,
+        p.DMA1_CH1, p.DMA1_CH2,
+        Irqs,
+        i2c_cfg);
+
+    i2c.write(0x1A, &[0x02u8]).await.unwrap();
+
+    info!("Success!");
+}