Support unstable-trait feature for stm32

tests/stm32/Cargo.toml

@@ -23,6 +23,7 @@ defmt-rtt = "0.3.0"
 cortex-m = "0.7.3"
 cortex-m-rt = "0.7.0"
 embedded-hal = "0.2.6"
+embedded-hal-async = { version = "0.0.1", git = "https://github.com/embassy-rs/embedded-hal", branch = "embassy"}
 panic-probe = { version = "0.3.0", features = ["print-defmt"] }
 
 [profile.dev]

tests/stm32/src/bin/spi_dma.rs

@@ -9,7 +9,6 @@ use embassy::executor::Spawner;
 use embassy_stm32::spi::{self, Spi};
 use embassy_stm32::time::Hertz;
 use embassy_stm32::Peripherals;
-use embassy_traits::spi::FullDuplex;
 use example_common::*;
 
 #[embassy::main(config = "config()")]
@@ -43,7 +42,7 @@ async fn main(_spawner: Spawner, p: Peripherals) {
     // Arduino pins D11 and D12 (MOSI-MISO) are connected together with a 1K resistor.
     // so we should get the data we sent back.
     let mut buf = [0; 9];
-    spi.read_write(&mut buf, &data).await.unwrap();
+    spi.transfer(&mut buf, &data).await.unwrap();
     assert_eq!(buf, data);
 
     info!("Test OK");