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-rw-r--r--examples/ramfunc.rs53
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+//! examples/ramfunc.rs
+
+#![deny(unsafe_code)]
+#![deny(warnings)]
+#![no_main]
+#![no_std]
+
+extern crate panic_semihosting;
+
+use cortex_m_semihosting::debug;
+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 = [bar])]
+ fn init() {
+ spawn.bar().unwrap();
+ }
+
+ #[inline(never)]
+ #[task]
+ fn foo() {
+ println!("foo");
+
+ debug::exit(debug::EXIT_SUCCESS);
+ }
+
+ // run this task from RAM
+ #[inline(never)]
+ #[link_section = ".data.bar"]
+ #[task(priority = 2, spawn = [foo])]
+ fn bar() {
+ spawn.foo().unwrap();
+ }
+
+ extern "C" {
+ fn UART0();
+
+ // run the task dispatcher from RAM
+ #[link_section = ".data.UART1"]
+ fn UART1();
+ }
+};