initial commit

examples/itm.rs

@@ -0,0 +1,32 @@
+//! Sends "Hello, world!" through the ITM port 0
+//!
+//! You'll need [`itmdump`] to receive the message plus you'll need to enable
+//! OpenOCD's ITM support in `.gdbinit`.
+//!
+//! [`itmdump`]: https://docs.rs/itm/0.1.1/itm/
+
+#![no_std]
+
+#[macro_use]
+extern crate cortex_m;
+extern crate cortex_m_rt;
+extern crate {{name}};
+
+use cortex_m::{exception, peripheral};
+use {{name}}::interrupt;
+
+fn main() {
+    cortex_m::interrupt::free(|cs| {
+                                  let itm = peripheral::ITM.borrow(&cs);
+
+                                  iprintln!(&itm.stim[0], "Hello, world!");
+                              });
+}
+
+#[no_mangle]
+pub static _INTERRUPTS: interrupt::Handlers =
+    interrupt::Handlers { ..interrupt::DEFAULT_HANDLERS };
+
+#[no_mangle]
+pub static _EXCEPTIONS: exception::Handlers =
+    exception::Handlers { ..exception::DEFAULT_HANDLERS };