From a2792182952c953aab2c442bb02ac1f2e4986e67 Mon Sep 17 00:00:00 2001
From: Jorge Aparicio <jorge@japaric.io>
Date: Sun, 4 Nov 2018 19:57:39 +0100
Subject: use new cortex_m_semihosting::hprintln macro

---
 examples/periodic.rs | 13 ++-----------
 1 file changed, 2 insertions(+), 11 deletions(-)

(limited to 'examples/periodic.rs')

diff --git a/examples/periodic.rs b/examples/periodic.rs
index 0fb8bdf..ba2b493 100644
--- a/examples/periodic.rs
+++ b/examples/periodic.rs
@@ -7,18 +7,9 @@
 
 extern crate panic_semihosting;
 
+use cortex_m_semihosting::hprintln;
 use rtfm::{app, Instant};
 
-macro_rules! println {
-    ($($tt:tt)*) => {
-        if let Ok(mut stdout) = cortex_m_semihosting::hio::hstdout() {
-            use core::fmt::Write;
-
-            writeln!(stdout, $($tt)*).ok();
-        }
-    };
-}
-
 const PERIOD: u32 = 8_000_000;
 
 // NOTE: does NOT work on QEMU!
@@ -32,7 +23,7 @@ const APP: () = {
     #[task(schedule = [foo])]
     fn foo() {
         let now = Instant::now();
-        println!("foo(scheduled = {:?}, now = {:?})", scheduled, now);
+        hprintln!("foo(scheduled = {:?}, now = {:?})", scheduled, now).unwrap();
 
         schedule.foo(scheduled + PERIOD.cycles()).unwrap();
     }
-- 
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