1 files changed, 41 insertions, 0 deletions

diff --git a/examples/mcxa/src/bin/i2c-scan-blocking.rs b/examples/mcxa/src/bin/i2c-scan-blocking.rs
new file mode 100644
index 000000000..4e203597b
--- /dev/null
+++ b/examples/mcxa/src/bin/i2c-scan-blocking.rs
@@ -0,0 +1,41 @@
+#![no_std]
+#![no_main]
+
+use embassy_executor::Spawner;
+use embassy_mcxa::gpio::Pull;
+use embassy_mcxa::Input;
+use embassy_time::Timer;
+use hal::clocks::config::Div8;
+use hal::config::Config;
+use hal::i2c::controller::{self, I2c, Speed};
+use {defmt_rtt as _, embassy_mcxa as hal, panic_probe as _};
+
+#[embassy_executor::main]
+async fn main(_spawner: Spawner) {
+    let mut config = Config::default();
+    config.clock_cfg.sirc.fro_lf_div = Div8::from_divisor(1);
+
+    let p = hal::init(config);
+
+    defmt::info!("I2C example");
+
+    let mut config = controller::Config::default();
+    config.speed = Speed::Standard;
+
+    // Note: P0_2 is connected to P1_8 on the FRDM_MCXA276 via a resistor, and
+    // defaults to SWO on the debug peripheral. Explicitly make it a high-z
+    // input.
+    let _pin = Input::new(p.P0_2, Pull::Disabled);
+    let mut i2c = I2c::new_blocking(p.LPI2C2, p.P1_9, p.P1_8, config).unwrap();
+
+    for addr in 0x01..=0x7f {
+        let result = i2c.blocking_write(addr, &[]);
+        if result.is_ok() {
+            defmt::info!("Device found at addr {:02x}", addr);
+        }
+    }
+
+    loop {
+        Timer::after_secs(10).await;
+    }
+}