task local early now with RacyCell

1 files changed, 58 insertions, 0 deletions

diff --git a/examples/binds.rs b/examples/binds.rs
new file mode 100644
index 00000000..fbdf86c7
--- /dev/null
+++ b/examples/binds.rs
@@ -0,0 +1,58 @@
+//! examples/binds.rs
+
+#![deny(unsafe_code)]
+#![deny(warnings)]
+#![no_main]
+#![no_std]
+
+use panic_semihosting as _;
+
+// `examples/interrupt.rs` rewritten to use `binds`
+#[rtic::app(device = lm3s6965)]
+mod app {
+    use cortex_m_semihosting::{debug, hprintln};
+    use lm3s6965::Interrupt;
+
+    #[resources]
+    struct Resources {
+        // A local (move), late resource
+        #[task_local]
+        #[init(0)]
+        times: u32,
+    }
+
+    #[init]
+    fn init(_: init::Context) -> (init::LateResources, init::Monotonics) {
+        rtic::pend(Interrupt::UART0);
+
+        hprintln!("init").unwrap();
+
+        (init::LateResources {}, init::Monotonics())
+    }
+
+    #[idle]
+    fn idle(_: idle::Context) -> ! {
+        hprintln!("idle").unwrap();
+
+        rtic::pend(Interrupt::UART0);
+
+        debug::exit(debug::EXIT_SUCCESS);
+
+        loop {
+            cortex_m::asm::nop();
+        }
+    }
+
+    #[task(binds = UART0, resources = [times])]
+    fn foo(cx: foo::Context) {
+        let times = cx.resources.times;
+        *times += 1;
+
+        hprintln!(
+            "foo called {} time{}",
+            *times,
+            if *times > 1 { "s" } else { "" }
+        )
+        .unwrap();
+    }
+}