From b743d9f48ce7635b720119336c1a711269f304ed Mon Sep 17 00:00:00 2001
From: Mathias <mk@blackbird.online>
Date: Mon, 26 Sep 2022 05:32:45 +0200
Subject: [PATCH] Add HIL test for bufferedUart

---
 embassy-rp/src/uart/buffered.rs   |  3 +--
 tests/rp/Cargo.toml               |  1 +
 tests/rp/src/bin/uart_buffered.rs | 37 +++++++++++++++++++++++++++++++
 3 files changed, 39 insertions(+), 2 deletions(-)
 create mode 100644 tests/rp/src/bin/uart_buffered.rs

diff --git a/embassy-rp/src/uart/buffered.rs b/embassy-rp/src/uart/buffered.rs
index 6d395b6f..9c4fbfeb 100644
--- a/embassy-rp/src/uart/buffered.rs
+++ b/embassy-rp/src/uart/buffered.rs
@@ -1,11 +1,10 @@
-use core::future::Future;
+use core::future::{poll_fn, Future};
 use core::task::{Poll, Waker};
 
 use atomic_polyfill::{compiler_fence, Ordering};
 use embassy_cortex_m::peripheral::{PeripheralMutex, PeripheralState, StateStorage};
 use embassy_hal_common::ring_buffer::RingBuffer;
 use embassy_sync::waitqueue::WakerRegistration;
-use futures::future::poll_fn;
 
 use super::*;
 
diff --git a/tests/rp/Cargo.toml b/tests/rp/Cargo.toml
index 4d6877cc..70fd9555 100644
--- a/tests/rp/Cargo.toml
+++ b/tests/rp/Cargo.toml
@@ -19,6 +19,7 @@ embedded-hal-1 = { package = "embedded-hal", version = "1.0.0-alpha.8" }
 embedded-hal-async = { version = "0.1.0-alpha.1" }
 panic-probe = { version = "0.3.0", features = ["print-defmt"] }
 futures = { version = "0.3.17", default-features = false, features = ["async-await"] }
+embedded-io = { version = "0.3.0", features = ["async"] }
 
 [profile.dev]
 debug = 2
diff --git a/tests/rp/src/bin/uart_buffered.rs b/tests/rp/src/bin/uart_buffered.rs
new file mode 100644
index 00000000..a0a3df8d
--- /dev/null
+++ b/tests/rp/src/bin/uart_buffered.rs
@@ -0,0 +1,37 @@
+#![no_std]
+#![no_main]
+#![feature(type_alias_impl_trait)]
+
+use defmt::{assert_eq, *};
+use embassy_executor::Spawner;
+use embassy_rp::interrupt;
+use embassy_rp::uart::{BufferedUart, Config, State, Uart};
+use embedded_io::asynch::{Read, Write};
+use {defmt_rtt as _, panic_probe as _};
+
+#[embassy_executor::main]
+async fn main(_spawner: Spawner) {
+    let p = embassy_rp::init(Default::default());
+    info!("Hello World!");
+
+    let (tx, rx, uart) = (p.PIN_0, p.PIN_1, p.UART0);
+
+    let config = Config::default();
+    let uart = Uart::new_blocking(uart, tx, rx, config);
+
+    let irq = interrupt::take!(UART0_IRQ);
+    let tx_buf = &mut [0u8; 32];
+    let rx_buf = &mut [0u8; 32];
+    let mut state = State::new();
+    let mut uart = BufferedUart::new(&mut state, uart, irq, tx_buf, rx_buf);
+
+    let data = [0xC0, 0xDE];
+    uart.write(&data).await.unwrap();
+
+    let mut buf = [0; 2];
+    uart.read(&mut buf).await.unwrap();
+    assert_eq!(buf, data);
+
+    info!("Test OK");
+    cortex_m::asm::bkpt();
+}