add macros for writing to an ITM port

1 files changed, 25 insertions, 0 deletions

diff --git a/src/macros.rs b/src/macros.rs
index bd31167..1c39f18 100644
--- a/src/macros.rs
+++ b/src/macros.rs
@@ -27,3 +27,28 @@ macro_rules! hprintln {
     ($fmt:expr) => (hprint!(concat!($fmt, "\n")));
     ($fmt:expr, $($arg:tt)*) => (hprint!(concat!($fmt, "\n"), $($arg)*));
 }
+
+/// Macro for sending a formatted string through an ITM channel
+#[macro_export]
+macro_rules! iprint {
+    ($channel:expr, $s:expr) => {
+        $crate::itm::write_str($channel, $s);
+    };
+    ($channel:expr, $($arg:tt)*) => {
+        $crate::itm::write_fmt($channel, format_args!($($arg)*));
+    };
+}
+
+/// Macro for sending a formatted string through an ITM channel, with a newline.
+#[macro_export]
+macro_rules! iprintln {
+    ($channel:expr) => {
+        iprint!($channel, "\n");
+    };
+    ($channel:expr, $fmt:expr) => {
+        iprint!($channel, concat!($fmt, "\n"));
+    };
+    ($channel:expr, $fmt:expr, $($arg:tt)*) => {
+        iprint!($channel, concat!($fmt, "\n"), $($arg)*);
+    };
+}