Merge #97

97: v0.4.0 r=japaric a=japaric

closes #32
closes #33

Co-authored-by: Jorge Aparicio <jorge@japaric.io>

1 files changed, 57 insertions, 0 deletions

diff --git a/examples/capacity.rs b/examples/capacity.rs
new file mode 100644
index 0000000..2dea2c3
--- /dev/null
+++ b/examples/capacity.rs
@@ -0,0 +1,57 @@
+//! examples/capacity.rs
+
+#![deny(unsafe_code)]
+#![deny(warnings)]
+#![no_main]
+#![no_std]
+
+extern crate panic_semihosting;
+
+use cortex_m_semihosting::debug;
+use lm3s6965::Interrupt;
+use rtfm::app;
+
+macro_rules! println {
+    ($($tt:tt)*) => {
+        if let Ok(mut stdout) = cortex_m_semihosting::hio::hstdout() {
+            use core::fmt::Write;
+
+            writeln!(stdout, $($tt)*).ok();
+        }
+    };
+}
+
+#[app(device = lm3s6965)]
+const APP: () = {
+    #[init(spawn = [foo])]
+    fn init() {
+        rtfm::pend(Interrupt::UART0);
+    }
+
+    #[interrupt(spawn = [foo, bar])]
+    fn UART0() {
+        spawn.foo(0).unwrap();
+        spawn.foo(1).unwrap();
+        spawn.foo(2).unwrap();
+        spawn.foo(3).unwrap();
+
+        spawn.bar().unwrap();
+    }
+
+    #[task(capacity = 4)]
+    fn foo(x: u32) {
+        println!("foo({})", x);
+    }
+
+    #[task]
+    fn bar() {
+        println!("bar");
+
+        debug::exit(debug::EXIT_SUCCESS);
+    }
+
+    // Interrupt handlers used to dispatch software tasks
+    extern "C" {
+        fn UART1();
+    }
+};