1 files changed, 30 insertions, 0 deletions
diff --git a/src/serial.rs b/src/serial.rs
new file mode 100644
index 0000000..792ddf7
--- /dev/null
+++ b/src/serial.rs
@@ -0,0 +1,30 @@
+//! # Serial Writer
+//!
+//! Write to serial
+//!
+//! ```rust
+//! #[doc(hidden)]
+//! pub fn _serial_print(args: core::fmt::Arguments) {
+//!     use core::fmt::Write;
+//!     SERIAL1.lock(|serial| {
+//!         ...
+//!     });
+//! }
+//! ```
+
+/// Prints to the host through the serial interface.
+#[macro_export]
+macro_rules! serial_print {
+	($($arg:tt)*) => {
+		$crate::serial::_print(format_args!($($arg)*));
+	};
+}
+
+/// Prints to the host through the serial interface, appending a newline.
+#[macro_export]
+macro_rules! serial_println {
+	() => ($crate::serial_print!("\n"));
+	($fmt:expr) => ($crate::serial_print!(concat!($fmt, "\n")));
+	($fmt:expr, $($arg:tt)*) => ($crate::serial_print!(
+				concat!($fmt, "\n"), $($arg)*));
+}