1 files changed, 41 insertions, 0 deletions
diff --git a/examples/stm32f3/src/bin/spi_dma.rs b/examples/stm32f3/src/bin/spi_dma.rs
new file mode 100644
index 00000000..a87a36f7
--- /dev/null
+++ b/examples/stm32f3/src/bin/spi_dma.rs
@@ -0,0 +1,41 @@
+#![no_std]
+#![no_main]
+#![feature(type_alias_impl_trait)]
+
+#[path = "../example_common.rs"]
+mod example_common;
+use core::fmt::Write;
+use core::str::from_utf8;
+use embassy::executor::Spawner;
+use embassy_stm32::spi::{Config, Spi};
+use embassy_stm32::time::Hertz;
+use embassy_stm32::Peripherals;
+use embassy_traits::spi::FullDuplex;
+use example_common::*;
+use heapless::String;
+
+#[embassy::main]
+async fn main(_spawner: Spawner, p: Peripherals) {
+    info!("Hello World!");
+
+    let mut spi = Spi::new(
+        p.SPI1,
+        p.PB3,
+        p.PB5,
+        p.PB4,
+        p.DMA1_CH3,
+        p.DMA1_CH2,
+        Hertz(1_000_000),
+        Config::default(),
+    );
+
+    for n in 0u32.. {
+        let mut write: String<128> = String::new();
+        let mut read = [0; 128];
+        core::write!(&mut write, "Hello DMA World {}!\r\n", n).unwrap();
+        spi.read_write(&mut read[0..write.len()], write.as_bytes())
+            .await
+            .ok();
+        info!("read via spi+dma: {}", from_utf8(&read).unwrap());
+    }
+}