Fix LPI2C2 example (#56)

Fix LPI2C2 example

1 files changed, 8 insertions, 1 deletions

diff --git a/examples/src/bin/i2c-scan-blocking.rs b/examples/src/bin/i2c-scan-blocking.rs
index 6d1247e7a..72f9d09e0 100644
--- a/examples/src/bin/i2c-scan-blocking.rs
+++ b/examples/src/bin/i2c-scan-blocking.rs
@@ -2,6 +2,8 @@
 #![no_main]
 
 use embassy_executor::Spawner;
+use embassy_mcxa::gpio::{DriveStrength, Pull, SlewRate};
+use embassy_mcxa::Input;
 use embassy_time::Timer;
 use hal::clocks::config::Div8;
 use hal::config::Config;
@@ -19,7 +21,12 @@ async fn main(_spawner: Spawner) {
 
     let mut config = controller::Config::default();
     config.speed = Speed::Standard;
-    let mut i2c = I2c::new_blocking(p.LPI2C3, p.P3_27, p.P3_28, config).unwrap();
+
+    // 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, DriveStrength::Normal, SlewRate::Slow);
+    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, &[]);