Updated examples

More work

36 files changed, 101 insertions, 77 deletions

diff --git a/examples/baseline.rs b/examples/baseline.rs
index 0b7e3ea..82f1887 100644
--- a/examples/baseline.rs
+++ b/examples/baseline.rs
@@ -5,13 +5,14 @@
 #![no_main]
 #![no_std]
 
-use cortex_m_semihosting::{debug, hprintln};
-use lm3s6965::Interrupt;
 use panic_semihosting as _;
 
 // NOTE: does NOT properly work on QEMU
 #[rtic::app(device = lm3s6965, monotonic = rtic::cyccnt::CYCCNT)]
 mod app {
+    use cortex_m_semihosting::{debug, hprintln};
+    use lm3s6965::Interrupt;
+
     #[init]
     fn init(cx: init::Context) -> init::LateResources {
         // omitted: initialization of `CYCCNT`
diff --git a/examples/binds.rs b/examples/binds.rs
index 42010ae..f681aa5 100644
--- a/examples/binds.rs
+++ b/examples/binds.rs
@@ -5,13 +5,14 @@
 #![no_main]
 #![no_std]
 
-use cortex_m_semihosting::{debug, hprintln};
-use lm3s6965::Interrupt;
 use panic_semihosting as _;
 
 // `examples/interrupt.rs` rewritten to use `binds`
 #[rtic::app(device = lm3s6965)]
 mod app {
+    use cortex_m_semihosting::{debug, hprintln};
+    use lm3s6965::Interrupt;
+
     #[init]
     fn init(_: init::Context) -> init::LateResources {
         rtic::pend(Interrupt::UART0);
diff --git a/examples/capacity.rs b/examples/capacity.rs
index f903acb..29b4f04 100644
--- a/examples/capacity.rs
+++ b/examples/capacity.rs
@@ -5,12 +5,13 @@
 #![no_main]
 #![no_std]
 
-use cortex_m_semihosting::{debug, hprintln};
-use lm3s6965::Interrupt;
 use panic_semihosting as _;
 
 #[rtic::app(device = lm3s6965)]
 mod app {
+    use cortex_m_semihosting::{debug, hprintln};
+    use lm3s6965::Interrupt;
+
     #[init]
     fn init(_: init::Context) -> init::LateResources {
         rtic::pend(Interrupt::UART0);
diff --git a/examples/cfg.rs b/examples/cfg.rs
index c8892ea..f900286 100644
--- a/examples/cfg.rs
+++ b/examples/cfg.rs
@@ -5,13 +5,14 @@
 #![no_main]
 #![no_std]
 
-use cortex_m_semihosting::debug;
-#[cfg(debug_assertions)]
-use cortex_m_semihosting::hprintln;
 use panic_semihosting as _;
 
 #[rtic::app(device = lm3s6965)]
 mod app {
+    use cortex_m_semihosting::debug;
+    #[cfg(debug_assertions)]
+    use cortex_m_semihosting::hprintln;
+
     #[resources]
     struct Resources {
         #[cfg(debug_assertions)] // <- `true` when using the `dev` profile
diff --git a/examples/destructure.rs b/examples/destructure.rs
index e7c5323..3c5eabf 100644
--- a/examples/destructure.rs
+++ b/examples/destructure.rs
@@ -5,12 +5,13 @@
 #![no_main]
 #![no_std]
 
-use cortex_m_semihosting::hprintln;
-use lm3s6965::Interrupt;
 use panic_semihosting as _;
 
 #[rtic::app(device = lm3s6965)]
 mod app {
+    use cortex_m_semihosting::hprintln;
+    use lm3s6965::Interrupt;
+
     #[resources]
     struct Resources {
         // Some resources to work with
diff --git a/examples/double_schedule.rs b/examples/double_schedule.rs
index d242c57..78eaac4 100644
--- a/examples/double_schedule.rs
+++ b/examples/double_schedule.rs
@@ -6,10 +6,10 @@
 #![no_std]
 
 use panic_semihosting as _;
-use rtic::cyccnt::U32Ext;
 
 #[rtic::app(device = lm3s6965, monotonic = rtic::cyccnt::CYCCNT)]
 mod app {
+    use rtic::cyccnt::U32Ext;
 
     #[resources]
     struct Resources {
diff --git a/examples/generics.rs b/examples/generics.rs
index 3107dd1..b13baeb 100644
--- a/examples/generics.rs
+++ b/examples/generics.rs
@@ -5,13 +5,16 @@
 #![no_main]
 #![no_std]
 
-use cortex_m_semihosting::{debug, hprintln};
-use lm3s6965::Interrupt;
+use cortex_m_semihosting::hprintln;
 use panic_semihosting as _;
-use rtic::{Exclusive, Mutex};
+use rtic::Mutex;
 
 #[rtic::app(device = lm3s6965)]
 mod app {
+    use cortex_m_semihosting::{debug, hprintln};
+    use lm3s6965::Interrupt;
+    use rtic::Exclusive;
+
     #[resources]
     struct Resources {
         #[init(0)]
diff --git a/examples/hardware.rs b/examples/hardware.rs
index f6a2d37..99e8da2 100644
--- a/examples/hardware.rs
+++ b/examples/hardware.rs
@@ -5,12 +5,13 @@
 #![no_main]
 #![no_std]
 
-use cortex_m_semihosting::{debug, hprintln};
-use lm3s6965::Interrupt;
 use panic_semihosting as _;
 
 #[rtic::app(device = lm3s6965)]
 mod app {
+    use cortex_m_semihosting::{debug, hprintln};
+    use lm3s6965::Interrupt;
+
     #[init]
     fn init(_: init::Context) -> init::LateResources {
         // Pends the UART0 interrupt but its handler won't run until *after*
diff --git a/examples/idle.rs b/examples/idle.rs
index 58c3c87..1aac56c 100644
--- a/examples/idle.rs
+++ b/examples/idle.rs
@@ -5,11 +5,12 @@
 #![no_main]
 #![no_std]
 
-use cortex_m_semihosting::{debug, hprintln};
 use panic_semihosting as _;
 
 #[rtic::app(device = lm3s6965)]
 mod app {
+    use cortex_m_semihosting::{debug, hprintln};
+
     #[init]
     fn init(_: init::Context) -> init::LateResources {
         hprintln!("init").unwrap();
diff --git a/examples/init.rs b/examples/init.rs
index 6ac284a..ca67a2b 100644
--- a/examples/init.rs
+++ b/examples/init.rs
@@ -5,11 +5,12 @@
 #![no_main]
 #![no_std]
 
-use cortex_m_semihosting::{debug, hprintln};
 use panic_semihosting as _;
 
 #[rtic::app(device = lm3s6965, peripherals = true)]
 mod app {
+    use cortex_m_semihosting::{debug, hprintln};
+
     #[init]
     fn init(cx: init::Context) -> init::LateResources {
         static mut X: u32 = 0;
diff --git a/examples/late.rs b/examples/late.rs
index 761c68f..d20a69c 100644
--- a/examples/late.rs
+++ b/examples/late.rs
@@ -5,21 +5,18 @@
 #![no_main]
 #![no_std]
 
-use cortex_m_semihosting::{debug, hprintln};
-use heapless::{
-    consts::*,
-    i,
-    spsc::{Consumer, Producer, Queue},
-};
-use lm3s6965::Interrupt;
 use panic_semihosting as _;
 
 #[rtic::app(device = lm3s6965)]
 mod app {
+    use cortex_m_semihosting::{debug, hprintln};
     use heapless::{
         consts::*,
-        spsc::{Consumer, Producer},
+        i,
+        spsc::{Consumer, Producer, Queue},
     };
+    use lm3s6965::Interrupt;
+
     // Late resources
     #[resources]
     struct Resources {
diff --git a/examples/lock.rs b/examples/lock.rs
index 669b1ae..c4930a2 100644
--- a/examples/lock.rs
+++ b/examples/lock.rs
@@ -5,12 +5,13 @@
 #![no_main]
 #![no_std]
 
-use cortex_m_semihosting::{debug, hprintln};
-use lm3s6965::Interrupt;
 use panic_semihosting as _;
 
 #[rtic::app(device = lm3s6965)]
 mod app {
+    use cortex_m_semihosting::{debug, hprintln};
+    use lm3s6965::Interrupt;
+
     #[resources]
     struct Resources {
         #[init(0)]
diff --git a/examples/message.rs b/examples/message.rs
index 5ff6288..4306430 100644
--- a/examples/message.rs
+++ b/examples/message.rs
@@ -5,11 +5,12 @@
 #![no_main]
 #![no_std]
 
-use cortex_m_semihosting::{debug, hprintln};
 use panic_semihosting as _;
 
 #[rtic::app(device = lm3s6965)]
 mod app {
+    use cortex_m_semihosting::{debug, hprintln};
+
     #[init]
     fn init(_: init::Context) -> init::LateResources {
         foo::spawn(/* no message */).unwrap();
diff --git a/examples/not-sync.rs b/examples/not-sync.rs
index 75412e6..d2616ee 100644
--- a/examples/not-sync.rs
+++ b/examples/not-sync.rs
@@ -6,8 +6,6 @@
 #![no_std]
 
 use core::marker::PhantomData;
-
-use cortex_m_semihosting::debug;
 use panic_halt as _;
 
 pub struct NotSync {
@@ -18,6 +16,7 @@ pub struct NotSync {
 mod app {
     use super::NotSync;
     use core::marker::PhantomData;
+    use cortex_m_semihosting::debug;
 
     #[resources]
     struct Resources {
diff --git a/examples/only-shared-access.rs b/examples/only-shared-access.rs
index 91d0b7a..8d42fd4 100644
--- a/examples/only-shared-access.rs
+++ b/examples/only-shared-access.rs
@@ -5,12 +5,13 @@
 #![no_main]
 #![no_std]
 
-use cortex_m_semihosting::{debug, hprintln};
-use lm3s6965::Interrupt;
 use panic_semihosting as _;
 
 #[rtic::app(device = lm3s6965)]
 mod app {
+    use cortex_m_semihosting::{debug, hprintln};
+    use lm3s6965::Interrupt;
+
     #[resources]
     struct Resources {
         key: u32,
diff --git a/examples/periodic.rs b/examples/periodic.rs
index 95cd145..eedf720 100644
--- a/examples/periodic.rs
+++ b/examples/periodic.rs
@@ -5,15 +5,15 @@
 #![no_main]
 #![no_std]
 
-use cortex_m_semihosting::hprintln;
 use panic_semihosting as _;
-use rtic::cyccnt::{Instant, U32Ext};
-
-const PERIOD: u32 = 8_000_000;
 
 // NOTE: does NOT work on QEMU!
 #[rtic::app(device = lm3s6965, monotonic = rtic::cyccnt::CYCCNT)]
 mod app {
+    use cortex_m_semihosting::hprintln;
+    use rtic::cyccnt::{Instant, U32Ext};
+
+    const PERIOD: u32 = 8_000_000;
 
     #[init]
     fn init(cx: init::Context) -> init::LateResources {
diff --git a/examples/peripherals-taken.rs b/examples/peripherals-taken.rs
index 09f9242..98f06b0 100644
--- a/examples/peripherals-taken.rs
+++ b/examples/peripherals-taken.rs
@@ -3,11 +3,12 @@
 #![no_main]
 #![no_std]
 
-use cortex_m_semihosting::debug;
 use panic_semihosting as _;
 
 #[rtic::app(device = lm3s6965)]
 mod app {
+    use cortex_m_semihosting::debug;
+
     #[init]
     fn init(_: init::Context) -> init::LateResources {
         assert!(cortex_m::Peripherals::take().is_none());
diff --git a/examples/pool.rs b/examples/pool.rs
index 2ad9984..fc740fe 100644
--- a/examples/pool.rs
+++ b/examples/pool.rs
@@ -5,12 +5,10 @@
 #![no_main]
 #![no_std]
 
-use cortex_m_semihosting::{debug, hprintln};
 use heapless::{
     pool,
     pool::singleton::{Box, Pool},
 };
-use lm3s6965::Interrupt;
 use panic_semihosting as _;
 use rtic::app;
 
@@ -19,7 +17,9 @@ pool!(P: [u8; 128]);
 
 #[app(device = lm3s6965)]
 mod app {
-    use crate::Box;
+    use crate::{Box, Pool};
+    use cortex_m_semihosting::{debug, hprintln};
+    use lm3s6965::Interrupt;
 
     // Import the memory pool into scope
     use super::P;
diff --git a/examples/preempt.rs b/examples/preempt.rs
index f6fc4b0..ee75c46 100644
--- a/examples/preempt.rs
+++ b/examples/preempt.rs
@@ -3,13 +3,14 @@
 #![no_main]
 #![no_std]
 
-use cortex_m_semihosting::{debug, hprintln};
-use lm3s6965::Interrupt;
 use panic_semihosting as _;
 use rtic::app;
 
 #[app(device = lm3s6965)]
 mod app {
+    use cortex_m_semihosting::{debug, hprintln};
+    use lm3s6965::Interrupt;
+
     #[init]
     fn init(_: init::Context) -> init::LateResources {
         rtic::pend(Interrupt::GPIOA);
diff --git a/examples/ramfunc.rs b/examples/ramfunc.rs
index 84d633d..4d46c6d 100644
--- a/examples/ramfunc.rs
+++ b/examples/ramfunc.rs
@@ -5,11 +5,12 @@
 #![no_main]
 #![no_std]
 
-use cortex_m_semihosting::{debug, hprintln};
 use panic_semihosting as _;
 
 #[rtic::app(device = lm3s6965)]
 mod app {
+    use cortex_m_semihosting::{debug, hprintln};
+
     #[init]
     fn init(_: init::Context) -> init::LateResources {
         foo::spawn().unwrap();
diff --git a/examples/resource-user-struct.rs b/examples/resource-user-struct.rs
index a5bd0dd..ca4ca2a 100644
--- a/examples/resource-user-struct.rs
+++ b/examples/resource-user-struct.rs
@@ -5,12 +5,13 @@
 #![no_main]
 #![no_std]
 
-use cortex_m_semihosting::{debug, hprintln};
-use lm3s6965::Interrupt;
 use panic_semihosting as _;
 
 #[rtic::app(device = lm3s6965)]
 mod app {
+    use cortex_m_semihosting::{debug, hprintln};
+    use lm3s6965::Interrupt;
+
     #[resources]
     struct Resources {
         // A resource
diff --git a/examples/resource.rs b/examples/resource.rs
index 273af26..87ba336 100644
--- a/examples/resource.rs
+++ b/examples/resource.rs
@@ -5,12 +5,13 @@
 #![no_main]
 #![no_std]
 
-use cortex_m_semihosting::{debug, hprintln};
-use lm3s6965::Interrupt;
 use panic_semihosting as _;
 
 #[rtic::app(device = lm3s6965)]
 mod app {
+    use cortex_m_semihosting::{debug, hprintln};
+    use lm3s6965::Interrupt;
+
     #[resources]
     struct Resources {
         // A resource
diff --git a/examples/schedule.rs b/examples/schedule.rs
index fa67a56..f57f53f 100644
--- a/examples/schedule.rs
+++ b/examples/schedule.rs
@@ -5,14 +5,15 @@
 #![no_main]
 #![no_std]
 
-use cortex_m::peripheral::DWT;
-use cortex_m_semihosting::hprintln;
 use panic_halt as _;
-use rtic::cyccnt::{Instant, U32Ext as _};
 
 // NOTE: does NOT work on QEMU!
 #[rtic::app(device = lm3s6965, monotonic = rtic::cyccnt::CYCCNT)]
 mod app {
+    use cortex_m::peripheral::DWT;
+    use cortex_m_semihosting::hprintln;
+    use rtic::cyccnt::{Instant, U32Ext as _};
+
     #[init()]
     fn init(mut cx: init::Context) -> init::LateResources {
         // Initialize (enable) the monotonic timer (CYCCNT)
diff --git a/examples/shared-with-init.rs b/examples/shared-with-init.rs
index 85c7276..049a38b 100644
--- a/examples/shared-with-init.rs
+++ b/examples/shared-with-init.rs
@@ -5,8 +5,6 @@
 #![no_main]
 #![no_std]
 
-use cortex_m_semihosting::debug;
-use lm3s6965::Interrupt;
 use panic_halt as _;
 use rtic::app;
 
@@ -14,6 +12,8 @@ pub struct MustBeSend;
 
 #[app(device = lm3s6965)]
 mod app {
+    use cortex_m_semihosting::debug;
+    use lm3s6965::Interrupt;
     use super::MustBeSend;
 
     #[resources]
diff --git a/examples/spawn.rs b/examples/spawn.rs
index 041018a..300b3b3 100644
--- a/examples/spawn.rs
+++ b/examples/spawn.rs
@@ -5,11 +5,12 @@
 #![no_main]
 #![no_std]
 
-use cortex_m_semihosting::{debug, hprintln};
 use panic_semihosting as _;
 
 #[rtic::app(device = lm3s6965)]
 mod app {
+    use cortex_m_semihosting::{debug, hprintln};
+
     #[init]
     fn init(_c: init::Context) -> init::LateResources {
         foo::spawn(1, 2).unwrap();
diff --git a/examples/spawn2.rs b/examples/spawn2.rs
index b50a3ee..070223b 100644
--- a/examples/spawn2.rs
+++ b/examples/spawn2.rs
@@ -5,11 +5,12 @@
 #![no_main]
 #![no_std]
 
-use cortex_m_semihosting::{debug, hprintln};
 use panic_semihosting as _;
 
 #[rtic::app(device = lm3s6965)]
 mod app {
+    use cortex_m_semihosting::{debug, hprintln};
+
     #[init]
     fn init(_c: init::Context) -> init::LateResources {
         foo::spawn(1, 2).unwrap();
diff --git a/examples/static.rs b/examples/static.rs
index 9c3110c..cd46145 100644
--- a/examples/static.rs
+++ b/examples/static.rs
@@ -5,20 +5,18 @@
 #![no_main]
 #![no_std]
 
-use cortex_m_semihosting::{debug, hprintln};
-use heapless::{
-    consts::*,
-    i,
-    spsc::{Consumer, Producer, Queue},
-};
-use lm3s6965::Interrupt;
 use panic_semihosting as _;
 
 #[rtic::app(device = lm3s6965)]
 mod app {
 
-    use crate::U4;
-    use crate::{Consumer, Producer};
+    use cortex_m_semihosting::{debug, hprintln};
+    use heapless::{
+        consts::*,
+        i,
+        spsc::{Consumer, Producer, Queue},
+    };
+    use lm3s6965::Interrupt;
 
     // Late resources
     #[resources]
diff --git a/examples/t-binds.rs b/examples/t-binds.rs
index 3ca4c66..8d52f58 100644
--- a/examples/t-binds.rs
+++ b/examples/t-binds.rs
@@ -17,18 +17,18 @@ mod app {
     // Cortex-M exception
     #[task(binds = SVCall)]
     fn foo(c: foo::Context) {
-        foo_trampoline(c)
+        crate::foo_trampoline(c)
     }
 
     // LM3S6965 interrupt
     #[task(binds = UART0)]
     fn bar(c: bar::Context) {
-        bar_trampoline(c)
+        crate::bar_trampoline(c)
     }
 }
 
 #[allow(dead_code)]
-fn foo_trampoline(_: foo::Context) {}
+fn foo_trampoline(_: app::foo::Context) {}
 
 #[allow(dead_code)]
-fn bar_trampoline(_: bar::Context) {}
+fn bar_trampoline(_: app::bar::Context) {}
diff --git a/examples/t-htask-main.rs b/examples/t-htask-main.rs
index 1e38e31..57076ec 100644
--- a/examples/t-htask-main.rs
+++ b/examples/t-htask-main.rs
@@ -3,11 +3,12 @@
 #![no_main]
 #![no_std]
 
-use cortex_m_semihosting::debug;
 use panic_semihosting as _;
 
 #[rtic::app(device = lm3s6965)]
 mod app {
+    use cortex_m_semihosting::debug;
+
     #[init]
     fn init(_: init::Context) -> init::LateResources {
         rtic::pend(lm3s6965::Interrupt::UART0);
diff --git a/examples/t-idle-main.rs b/examples/t-idle-main.rs
index 9078628..42dac90 100644
--- a/examples/t-idle-main.rs
+++ b/examples/t-idle-main.rs
@@ -3,11 +3,12 @@
 #![no_main]
 #![no_std]
 
-use cortex_m_semihosting::debug;
 use panic_semihosting as _;
 
 #[rtic::app(device = lm3s6965)]
 mod app {
+    use cortex_m_semihosting::debug;
+
     #[init]
     fn init(_: init::Context) -> init::LateResources {
         init::LateResources {}
diff --git a/examples/t-init-main.rs b/examples/t-init-main.rs
index 7c23cc8..0456e87 100644
--- a/examples/t-init-main.rs
+++ b/examples/t-init-main.rs
@@ -3,11 +3,12 @@
 #![no_main]
 #![no_std]
 
-use cortex_m_semihosting::debug;
 use panic_semihosting as _;
 
 #[rtic::app(device = lm3s6965)]
 mod app {
+    use cortex_m_semihosting::debug;
+
     #[init]
     fn init(_: init::Context) -> init::LateResources {
         debug::exit(debug::EXIT_SUCCESS);
diff --git a/examples/t-late-not-send.rs b/examples/t-late-not-send.rs
index 345d9ae..8b7b986 100644
--- a/examples/t-late-not-send.rs
+++ b/examples/t-late-not-send.rs
@@ -14,6 +14,7 @@ pub struct NotSend {
 #[rtic::app(device = lm3s6965)]
 mod app {
     use super::NotSend;
+    use core::marker::PhantomData;
 
     #[resources]
     struct Resources {
diff --git a/examples/t-schedule.rs b/examples/t-schedule.rs
index 7c2c420..b1faaa6 100644
--- a/examples/t-schedule.rs
+++ b/examples/t-schedule.rs
@@ -6,10 +6,11 @@
 #![no_std]
 
 use panic_halt as _;
-use rtic::cyccnt::{Instant, U32Ext as _};
 
 #[rtic::app(device = lm3s6965, monotonic = rtic::cyccnt::CYCCNT)]
 mod app {
+    use rtic::cyccnt::{Instant, U32Ext as _};
+
     #[init]
     fn init(c: init::Context) -> init::LateResources {
         let _: Result<(), ()> = foo::schedule(c.start + 10.cycles());
diff --git a/examples/t-stask-main.rs b/examples/t-stask-main.rs
index 3337c7d..56dc1af 100644
--- a/examples/t-stask-main.rs
+++ b/examples/t-stask-main.rs
@@ -3,11 +3,12 @@
 #![no_main]
 #![no_std]
 
-use cortex_m_semihosting::debug;
 use panic_semihosting as _;
 
 #[rtic::app(device = lm3s6965)]
 mod app {
+    use cortex_m_semihosting::debug;
+
     #[init]
     fn init(_: init::Context) -> init::LateResources {
         taskmain::spawn().ok();
diff --git a/examples/task.rs b/examples/task.rs
index f3d916f..60591b9 100644
--- a/examples/task.rs
+++ b/examples/task.rs
@@ -5,11 +5,12 @@
 #![no_main]
 #![no_std]
 
-use cortex_m_semihosting::{debug, hprintln};
 use panic_semihosting as _;
 
 #[rtic::app(device = lm3s6965)]
 mod app {
+    use cortex_m_semihosting::{debug, hprintln};
+
     #[init]
     fn init(_: init::Context) -> init::LateResources {
         foo::spawn().unwrap();
diff --git a/examples/types.rs b/examples/types.rs
index b55a98c..815d309 100644
--- a/examples/types.rs
+++ b/examples/types.rs
@@ -5,12 +5,13 @@
 #![no_main]
 #![no_std]
 
-use cortex_m_semihosting::debug;
 use panic_semihosting as _;
-use rtic::cyccnt;
 
 #[rtic::app(device = lm3s6965, peripherals = true, monotonic = rtic::cyccnt::CYCCNT)]
 mod app {
+    use cortex_m_semihosting::debug;
+    use rtic::cyccnt;
+
     #[resources]
     struct Resources {
         #[init(0)]