initial commit

src/main.rs

@@ -0,0 +1,28 @@
+#![no_std]
+#![no_main]
+
+use defmt::info;
+use embassy_executor::Spawner;
+use embassy_nrf::{
+    bind_interrupts, peripherals,
+    twim::{self, Twim},
+};
+use {defmt_rtt as _, panic_probe as _};
+
+bind_interrupts!(struct Irqs {
+    SPIM0_SPIS0_TWIM0_TWIS0_SPI0_TWI0 => twim::InterruptHandler<peripherals::TWISPI0>;
+});
+
+#[embassy_executor::main]
+async fn main(_spawner: Spawner) {
+    let p = embassy_nrf::init(Default::default());
+
+    let config = twim::Config::default();
+    let mut i2c = Twim::new(p.TWISPI0, Irqs, p.P0_03, p.P0_04, config);
+
+    for addr in 1..=u8::MAX {
+        if i2c.read(addr, &mut [0]).await.is_ok() {
+            info!("i2c device at 0x{:02X}", addr)
+        }
+    }
+}