Merge pull request #4955 from beeelias/i2c-slave/fix-early-term

i2c slave fix (early termination)

Author: xoviat

embassy-stm32/CHANGELOG.md

@@ -85,6 +85,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - fix: build script ensures EXTI2_TSC is listed as the IRQ of EXTI2 even if the PAC doesn't
 - feat: stm32/lcd: added implementation
 - change: add error messages to can timing calculations ([#4961](https://github.com/embassy-rs/embassy/pull/4961))
+- fix: stm32/i2c v2: add stop flag on stop received
 
 ## 0.4.0 - 2025-08-26
 

embassy-stm32/src/i2c/v2.rs

@@ -1600,7 +1600,8 @@ impl<'d, M: Mode> I2c<'d, M, MultiMaster> {
             for byte in chunk {
                 // Wait until we have received something
                 match self.wait_rxne(timeout) {
-                    Ok(ReceiveResult::StopReceived) | Ok(ReceiveResult::NewStart) => {
+                    Ok(ReceiveResult::StopReceived) => {}
+                    Ok(ReceiveResult::NewStart) => {
                         trace!("--- Slave RX transmission end (early)");
                         return Ok(total_len - remaining_len); // Return N bytes read
                     }