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-rw-r--r--examples/lock.rs5
1 files changed, 2 insertions, 3 deletions
diff --git a/examples/lock.rs b/examples/lock.rs
index 814c7364..b7d36b41 100644
--- a/examples/lock.rs
+++ b/examples/lock.rs
@@ -5,10 +5,9 @@
#![no_main]
#![no_std]
-extern crate panic_semihosting;
-
use cortex_m_semihosting::{debug, hprintln};
use lm3s6965::Interrupt;
+use panic_semihosting as _;
#[rtfm::app(device = lm3s6965)]
const APP: () = {
@@ -46,7 +45,7 @@ const APP: () = {
}
#[interrupt(priority = 2, resources = [SHARED])]
- fn GPIOB(mut c: GPIOB::Context) {
+ fn GPIOB(c: GPIOB::Context) {
// the higher priority task does *not* need a critical section
*c.resources.SHARED += 1;