Merge #99

99: impl Mutex on all shared resources r=japaric a=japaric

document how to write generic code that operates on resources

Co-authored-by: Jorge Aparicio <jorge@japaric.io>

1 files changed, 2 insertions, 12 deletions

diff --git a/examples/ramfunc.rs b/examples/ramfunc.rs
index b7fe252..37ea82a 100644
--- a/examples/ramfunc.rs
+++ b/examples/ramfunc.rs
@@ -7,19 +7,9 @@
 
 extern crate panic_semihosting;
 
-use cortex_m_semihosting::debug;
+use cortex_m_semihosting::{debug, hprintln};
 use rtfm::app;
 
-macro_rules! println {
-    ($($tt:tt)*) => {
-        if let Ok(mut stdout) = cortex_m_semihosting::hio::hstdout() {
-            use core::fmt::Write;
-
-            writeln!(stdout, $($tt)*).ok();
-        }
-    };
-}
-
 #[app(device = lm3s6965)]
 const APP: () = {
     #[init(spawn = [bar])]
@@ -30,7 +20,7 @@ const APP: () = {
     #[inline(never)]
     #[task]
     fn foo() {
-        println!("foo");
+        hprintln!("foo").unwrap();
 
         debug::exit(debug::EXIT_SUCCESS);
     }