1 files changed, 16 insertions, 14 deletions

diff --git a/examples/lock.rs b/examples/lock.rs
index 814c7364..f33a60a4 100644
--- a/examples/lock.rs
+++ b/examples/lock.rs
@@ -5,14 +5,16 @@
 #![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: () = {
-    static mut SHARED: u32 = 0;
+    struct Resources {
+        #[init(0)]
+        shared: u32,
+    }
 
     #[init]
     fn init(_: init::Context) {
@@ -20,21 +22,21 @@ const APP: () = {
     }
 
     // when omitted priority is assumed to be `1`
-    #[interrupt(resources = [SHARED])]
-    fn GPIOA(mut c: GPIOA::Context) {
+    #[task(binds = GPIOA, resources = [shared])]
+    fn gpioa(mut c: gpioa::Context) {
         hprintln!("A").unwrap();
 
         // the lower priority task requires a critical section to access the data
-        c.resources.SHARED.lock(|shared| {
+        c.resources.shared.lock(|shared| {
             // data can only be modified within this critical section (closure)
             *shared += 1;
 
             // GPIOB will *not* run right now due to the critical section
             rtfm::pend(Interrupt::GPIOB);
 
-            hprintln!("B - SHARED = {}", *shared).unwrap();
+            hprintln!("B - shared = {}", *shared).unwrap();
 
-            // GPIOC does not contend for `SHARED` so it's allowed to run now
+            // GPIOC does not contend for `shared` so it's allowed to run now
             rtfm::pend(Interrupt::GPIOC);
         });
 
@@ -45,16 +47,16 @@ const APP: () = {
         debug::exit(debug::EXIT_SUCCESS);
     }
 
-    #[interrupt(priority = 2, resources = [SHARED])]
-    fn GPIOB(mut c: GPIOB::Context) {
+    #[task(binds = GPIOB, priority = 2, resources = [shared])]
+    fn gpiob(c: gpiob::Context) {
         // the higher priority task does *not* need a critical section
-        *c.resources.SHARED += 1;
+        *c.resources.shared += 1;
 
-        hprintln!("D - SHARED = {}", *c.resources.SHARED).unwrap();
+        hprintln!("D - shared = {}", *c.resources.shared).unwrap();
     }
 
-    #[interrupt(priority = 3)]
-    fn GPIOC(_: GPIOC::Context) {
+    #[task(binds = GPIOC, priority = 3)]
+    fn gpioc(_: gpioc::Context) {
         hprintln!("C").unwrap();
     }
 };