1 files changed, 76 insertions, 0 deletions
diff --git a/examples/async-task-multiple-prios.rs b/examples/async-task-multiple-prios.rs
new file mode 100644
index 00000000..3e197987
--- /dev/null
+++ b/examples/async-task-multiple-prios.rs
@@ -0,0 +1,76 @@
+#![no_main]
+#![no_std]
+#![feature(type_alias_impl_trait)]
+
+use panic_semihosting as _;
+
+// NOTES:
+//
+// - Async tasks cannot have `#[lock_free]` resources, as they can interleve and each async
+//   task can have a mutable reference stored.
+// - Spawning an async task equates to it being polled once.
+
+#[rtic::app(device = lm3s6965, dispatchers = [SSI0, QEI0, UART0, UART1], peripherals = true)]
+mod app {
+    use cortex_m_semihosting::{debug, hprintln};
+    use systick_monotonic::*;
+
+    #[shared]
+    struct Shared {
+        a: u32,
+        b: u32,
+    }
+
+    #[local]
+    struct Local {}
+
+    #[monotonic(binds = SysTick, default = true)]
+    type MyMono = Systick<100>;
+
+    #[init]
+    fn init(cx: init::Context) -> (Shared, Local, init::Monotonics) {
+        hprintln!("init").unwrap();
+
+        normal_task::spawn().ok();
+        async_task::spawn().ok();
+        normal_task2::spawn().ok();
+        async_task2::spawn().ok();
+
+        (
+            Shared { a: 0, b: 0 },
+            Local {},
+            init::Monotonics(Systick::new(cx.core.SYST, 12_000_000)),
+        )
+    }
+
+    #[idle]
+    fn idle(_: idle::Context) -> ! {
+        // debug::exit(debug::EXIT_SUCCESS);
+        loop {
+            // hprintln!("idle");
+            cortex_m::asm::wfi(); // put the MCU in sleep mode until interrupt occurs
+        }
+    }
+
+    #[task(priority = 1, shared = [a, b])]
+    fn normal_task(_cx: normal_task::Context) {
+        hprintln!("hello from normal 1").ok();
+    }
+
+    #[task(priority = 1, shared = [a, b])]
+    async fn async_task(_cx: async_task::Context) {
+        hprintln!("hello from async 1").ok();
+
+        debug::exit(debug::EXIT_SUCCESS);
+    }
+
+    #[task(priority = 2, shared = [a, b])]
+    fn normal_task2(_cx: normal_task2::Context) {
+        hprintln!("hello from normal 2").ok();
+    }
+
+    #[task(priority = 2, shared = [a, b])]
+    async fn async_task2(_cx: async_task2::Context) {
+        hprintln!("hello from async 2").ok();
+    }
+}