From 413f525c933e0beba498b486afc3a81b84951989 Mon Sep 17 00:00:00 2001
From: Emil Fresk <emil.fresk@gmail.com>
Date: Mon, 14 Sep 2020 09:35:10 +0200
Subject: [PATCH] Fixed so examples do not crash in release mode

---
 examples/binds.rs           | 4 +++-
 examples/cfg.rs             | 4 +++-
 examples/hardware.rs        | 4 +++-
 examples/idle.rs            | 4 +++-
 examples/resource.rs        | 4 +++-
 examples/t-cfg-resources.rs | 4 +++-
 examples/t-cfg.rs           | 4 +++-
 examples/t-idle-main.rs     | 4 +++-
 examples/t-late-not-send.rs | 4 +++-
 examples/t-resource.rs      | 4 +++-
 examples/t-schedule.rs      | 4 +++-
 examples/t-spawn.rs         | 4 +++-
 examples/types.rs           | 4 +++-
 13 files changed, 39 insertions(+), 13 deletions(-)

diff --git a/examples/binds.rs b/examples/binds.rs
index faf315f471..82bf89640f 100644
--- a/examples/binds.rs
+++ b/examples/binds.rs
@@ -27,7 +27,9 @@ const APP: () = {
 
         debug::exit(debug::EXIT_SUCCESS);
 
-        loop {}
+        loop {
+            cortex_m::asm::nop();
+        }
     }
 
     #[task(binds = UART0)]
diff --git a/examples/cfg.rs b/examples/cfg.rs
index 02b39e349b..8eeeb2a93a 100644
--- a/examples/cfg.rs
+++ b/examples/cfg.rs
@@ -28,7 +28,9 @@ const APP: () = {
     fn idle(_: idle::Context) -> ! {
         debug::exit(debug::EXIT_SUCCESS);
 
-        loop {}
+        loop {
+            cortex_m::asm::nop();
+        }
     }
 
     #[task(capacity = 2, resources = [count], spawn = [log])]
diff --git a/examples/hardware.rs b/examples/hardware.rs
index 9f1c664ea8..8105a7420d 100644
--- a/examples/hardware.rs
+++ b/examples/hardware.rs
@@ -30,7 +30,9 @@ const APP: () = {
 
         debug::exit(debug::EXIT_SUCCESS);
 
-        loop {}
+        loop {
+            cortex_m::asm::nop();
+        }
     }
 
     #[task(binds = UART0)]
diff --git a/examples/idle.rs b/examples/idle.rs
index c09af92200..3d28dac8a7 100644
--- a/examples/idle.rs
+++ b/examples/idle.rs
@@ -26,6 +26,8 @@ const APP: () = {
 
         debug::exit(debug::EXIT_SUCCESS);
 
-        loop {}
+        loop {
+            cortex_m::asm::nop();
+        }
     }
 };
diff --git a/examples/resource.rs b/examples/resource.rs
index ded97f8ed4..2361fd0033 100644
--- a/examples/resource.rs
+++ b/examples/resource.rs
@@ -31,7 +31,9 @@ const APP: () = {
         // error: no `resources` field in `idle::Context`
         // _cx.resources.shared += 1;
 
-        loop {}
+        loop {
+            cortex_m::asm::nop();
+        }
     }
 
     // `shared` can be accessed from this context
diff --git a/examples/t-cfg-resources.rs b/examples/t-cfg-resources.rs
index eb00fe5923..4f7fd635a7 100644
--- a/examples/t-cfg-resources.rs
+++ b/examples/t-cfg-resources.rs
@@ -31,6 +31,8 @@ const APP: () = {
 
     #[idle]
     fn idle(_cx: idle::Context) -> ! {
-        loop {}
+        loop {
+            cortex_m::asm::nop();
+        }
     }
 };
diff --git a/examples/t-cfg.rs b/examples/t-cfg.rs
index 52e6d1c9d3..b6c9e47207 100644
--- a/examples/t-cfg.rs
+++ b/examples/t-cfg.rs
@@ -24,7 +24,9 @@ const APP: () = {
         #[cfg(never)]
         static mut BAR: u32 = 0;
 
-        loop {}
+        loop {
+            cortex_m::asm::nop();
+        }
     }
 
     #[task(resources = [foo], schedule = [quux], spawn = [quux])]
diff --git a/examples/t-idle-main.rs b/examples/t-idle-main.rs
index 94a3317452..051a9ee812 100644
--- a/examples/t-idle-main.rs
+++ b/examples/t-idle-main.rs
@@ -14,6 +14,8 @@ const APP: () = {
     #[idle]
     fn main(_: main::Context) -> ! {
         debug::exit(debug::EXIT_SUCCESS);
-        loop {}
+        loop {
+            cortex_m::asm::nop();
+        }
     }
 };
diff --git a/examples/t-late-not-send.rs b/examples/t-late-not-send.rs
index c464e73b64..d2a9b63ce9 100644
--- a/examples/t-late-not-send.rs
+++ b/examples/t-late-not-send.rs
@@ -31,6 +31,8 @@ const APP: () = {
 
     #[idle(resources = [x, y])]
     fn idle(_: idle::Context) -> ! {
-        loop {}
+        loop {
+            cortex_m::asm::nop();
+        }
     }
 };
diff --git a/examples/t-resource.rs b/examples/t-resource.rs
index 53665dc933..81ba18563f 100644
--- a/examples/t-resource.rs
+++ b/examples/t-resource.rs
@@ -58,7 +58,9 @@ const APP: () = {
         // `&` if read-only
         let _: &u32 = c.resources.s3;
 
-        loop {}
+        loop {
+            cortex_m::asm::nop();
+        }
     }
 
     #[task(binds = UART0, resources = [o3, s1, s2, &s3])]
diff --git a/examples/t-schedule.rs b/examples/t-schedule.rs
index 4a23182273..3854aad36b 100644
--- a/examples/t-schedule.rs
+++ b/examples/t-schedule.rs
@@ -23,7 +23,9 @@ const APP: () = {
         let _: Result<(), u32> = c.schedule.bar(Instant::now() + 50.cycles(), 0);
         let _: Result<(), (u32, u32)> = c.schedule.baz(Instant::now() + 60.cycles(), 0, 1);
 
-        loop {}
+        loop {
+            cortex_m::asm::nop();
+        }
     }
 
     #[task(binds = SVCall, schedule = [foo, bar, baz])]
diff --git a/examples/t-spawn.rs b/examples/t-spawn.rs
index 2d941b1567..35831ccf9d 100644
--- a/examples/t-spawn.rs
+++ b/examples/t-spawn.rs
@@ -22,7 +22,9 @@ const APP: () = {
         let _: Result<(), u32> = c.spawn.bar(0);
         let _: Result<(), (u32, u32)> = c.spawn.baz(0, 1);
 
-        loop {}
+        loop {
+            cortex_m::asm::nop();
+        }
     }
 
     #[task(binds = SVCall, spawn = [foo, bar, baz])]
diff --git a/examples/types.rs b/examples/types.rs
index e14ab0c811..5233f868b1 100644
--- a/examples/types.rs
+++ b/examples/types.rs
@@ -32,7 +32,9 @@ const APP: () = {
         let _: idle::Schedule = cx.schedule;
         let _: idle::Spawn = cx.spawn;
 
-        loop {}
+        loop {
+            cortex_m::asm::nop();
+        }
     }
 
     #[task(binds = UART0, resources = [shared], schedule = [foo], spawn = [foo])]