1 files changed, 68 insertions, 0 deletions

diff --git a/examples/nrf/src/bin/buffered_uart.rs b/examples/nrf/src/bin/buffered_uart.rs
new file mode 100644
index 000000000..c800e64fc
--- /dev/null
+++ b/examples/nrf/src/bin/buffered_uart.rs
@@ -0,0 +1,68 @@
+#![no_std]
+#![no_main]
+#![feature(min_type_alias_impl_trait)]
+#![feature(impl_trait_in_bindings)]
+#![feature(type_alias_impl_trait)]
+#![allow(incomplete_features)]
+
+#[path = "../example_common.rs"]
+mod example_common;
+
+use defmt::panic;
+use embassy::executor::Spawner;
+use embassy::io::{AsyncBufReadExt, AsyncWriteExt};
+use embassy_nrf::gpio::NoPin;
+use embassy_nrf::{buffered_uarte::BufferedUarte, interrupt, uarte, Peripherals};
+use example_common::*;
+use futures::pin_mut;
+
+#[embassy::main]
+async fn main(_spawner: Spawner, p: Peripherals) {
+    let mut config = uarte::Config::default();
+    config.parity = uarte::Parity::EXCLUDED;
+    config.baudrate = uarte::Baudrate::BAUD115200;
+
+    let mut tx_buffer = [0u8; 4096];
+    let mut rx_buffer = [0u8; 4096];
+
+    let irq = interrupt::take!(UARTE0_UART0);
+    let u = unsafe {
+        BufferedUarte::new(
+            p.UARTE0,
+            p.TIMER0,
+            p.PPI_CH0,
+            p.PPI_CH1,
+            irq,
+            p.P0_08,
+            p.P0_06,
+            NoPin,
+            NoPin,
+            config,
+            &mut rx_buffer,
+            &mut tx_buffer,
+        )
+    };
+    pin_mut!(u);
+
+    info!("uarte initialized!");
+
+    unwrap!(u.write_all(b"Hello!\r\n").await);
+    info!("wrote hello in uart!");
+
+    // Simple demo, reading 8-char chunks and echoing them back reversed.
+    loop {
+        info!("reading...");
+        let mut buf = [0u8; 8];
+        unwrap!(u.read_exact(&mut buf).await);
+        info!("read done, got {}", buf);
+
+        // Reverse buf
+        for i in 0..4 {
+            buf.swap(i, 7 - i);
+        }
+
+        info!("writing...");
+        unwrap!(u.write_all(&buf).await);
+        info!("write done");
+    }
+}