Executor API V2.

- It's no longer possible to call run() reentrantly from within a task (soundness issue)
- it's now possible to spawn Send tasks across threads (SendSpawner, #37)

2 files changed, 8 insertions, 14 deletions

diff --git a/embassy-stm32f4-examples/src/bin/exti.rs b/embassy-stm32f4-examples/src/bin/exti.rs
index 879d0fa2a..ec4490b16 100644
--- a/embassy-stm32f4-examples/src/bin/exti.rs
+++ b/embassy-stm32f4-examples/src/bin/exti.rs
@@ -49,11 +49,8 @@ fn main() -> ! {
     let dp = stm32::Peripherals::take().unwrap();
     let cp = cortex_m::peripheral::Peripherals::take().unwrap();
 
-    let executor = EXECUTOR.put(Executor::new(cortex_m::asm::sev));
-    executor.spawn(run(dp, cp)).unwrap();
-
-    loop {
-        executor.run();
-        //cortex_m::asm::wfe(); // wfe causes RTT to stop working on stm32
-    }
+    let executor = EXECUTOR.put(Executor::new());
+    executor.run(|spawner| {
+        unwrap!(spawner.spawn(run(dp, cp)));
+    });
 }
diff --git a/embassy-stm32f4-examples/src/bin/serial.rs b/embassy-stm32f4-examples/src/bin/serial.rs
index 93c32b3f4..7338d4fe0 100644
--- a/embassy-stm32f4-examples/src/bin/serial.rs
+++ b/embassy-stm32f4-examples/src/bin/serial.rs
@@ -59,11 +59,8 @@ fn main() -> ! {
     let dp = stm32::Peripherals::take().unwrap();
     let cp = cortex_m::peripheral::Peripherals::take().unwrap();
 
-    let executor = EXECUTOR.put(Executor::new(cortex_m::asm::sev));
-    executor.spawn(run(dp, cp)).unwrap();
-
-    loop {
-        executor.run();
-        //cortex_m::asm::wfe(); // wfe causes RTT to stop working on stm32
-    }
+    let executor = EXECUTOR.put(Executor::new());
+    executor.run(|spawner| {
+        unwrap!(spawner.spawn(run(dp, cp)));
+    });
 }