Upgrade of semihosting changed timing

New semihosting 0.5 does not use error handling,
returns directly and as semihosting is generally slow
this led to missing print statements.

Workaround is to add NOP, which seems sufficient
to let it flush the buffers

1 files changed, 3 insertions, 2 deletions

diff --git a/examples/hardware.rs b/examples/hardware.rs
index 8f29455..590bf6a 100644
--- a/examples/hardware.rs
+++ b/examples/hardware.rs
@@ -37,10 +37,11 @@ mod app {
 
         rtic::pend(Interrupt::UART0);
 
-        debug::exit(debug::EXIT_SUCCESS); // Exit QEMU simulator
-
         loop {
+            // Exit moved after nop to ensure that rtic::pend gets
+            // to run before exiting
             cortex_m::asm::nop();
+            debug::exit(debug::EXIT_SUCCESS); // Exit QEMU simulator
         }
     }