From f208a9e5a8cd987bbcbf35388555deb10c7cd1bf Mon Sep 17 00:00:00 2001
From: Zhouqi Jiang <luojia@hust.edu.cn>
Date: Fri, 29 Nov 2024 11:49:15 +0800
Subject: [PATCH] prelude: add HAL prelude module, import embedded-io and
 embedded-hal traits in prelude

Signed-off-by: Zhouqi Jiang <luojia@hust.edu.cn>
---
 allwinner-hal/src/lib.rs | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/allwinner-hal/src/lib.rs b/allwinner-hal/src/lib.rs
index d6b2532..a476a32 100644
--- a/allwinner-hal/src/lib.rs
+++ b/allwinner-hal/src/lib.rs
@@ -17,9 +17,17 @@ pub mod smhc;
 pub mod spi;
 #[doc(hidden)]
 pub mod sysctl;
-#[macro_use]
 pub mod uart;
 
+#[doc(hidden)]
+pub mod prelude {
+    pub use embedded_hal::{
+        digital::{InputPin as _, OutputPin as _, StatefulOutputPin as _},
+        spi::SpiBus as _,
+    };
+    pub use embedded_io::{Read as _, Write as _};
+}
+
 #[allow(unused)]
 macro_rules! impl_pins_trait {
     ($(($p: expr, $i: expr, $f: expr): $Trait: ty;)+) => {