1 files changed, 37 insertions, 0 deletions
diff --git a/examples/preempt.rs b/examples/preempt.rs
new file mode 100644
index 00000000..d7a7e644
--- /dev/null
+++ b/examples/preempt.rs
@@ -0,0 +1,37 @@
+//! examples/preempt.rs
+
+#![no_main]
+#![no_std]
+
+use cortex_m_semihosting::{debug, hprintln};
+use lm3s6965::Interrupt;
+use panic_semihosting as _;
+use rtfm::app;
+
+#[app(device = lm3s6965)]
+const APP: () = {
+    #[init]
+    fn init(_: init::Context) {
+        rtfm::pend(Interrupt::GPIOA);
+    }
+
+    #[task(binds = GPIOA, priority = 1)]
+    fn gpioa(_: gpioa::Context) {
+        hprintln!("GPIOA - start").unwrap();
+        rtfm::pend(Interrupt::GPIOC);
+        hprintln!("GPIOA - end").unwrap();
+        debug::exit(debug::EXIT_SUCCESS);
+    }
+
+    #[task(binds = GPIOB, priority = 2)]
+    fn gpiob(_: gpiob::Context) {
+        hprintln!(" GPIOB").unwrap();
+    }
+
+    #[task(binds = GPIOC, priority = 2)]
+    fn gpioc(_: gpioc::Context) {
+        hprintln!(" GPIOC - start").unwrap();
+        rtfm::pend(Interrupt::GPIOB);
+        hprintln!(" GPIOC - end").unwrap();
+    }
+};