aboutsummaryrefslogtreecommitdiff
path: root/examples/safe-static-mut-ref.rs
diff options
context:
space:
mode:
Diffstat (limited to 'examples/safe-static-mut-ref.rs')
-rw-r--r--examples/safe-static-mut-ref.rs32
1 files changed, 32 insertions, 0 deletions
diff --git a/examples/safe-static-mut-ref.rs b/examples/safe-static-mut-ref.rs
new file mode 100644
index 00000000..bb872122
--- /dev/null
+++ b/examples/safe-static-mut-ref.rs
@@ -0,0 +1,32 @@
+//! Safe creation of `&'static mut` references
+#![deny(unsafe_code)]
+#![deny(warnings)]
+#![feature(proc_macro)]
+#![no_std]
+
+extern crate cortex_m_rtfm as rtfm;
+extern crate stm32f103xx;
+
+use rtfm::app;
+
+app! {
+ device: stm32f103xx,
+
+ resources: {
+ static BUFFER: [u8; 16] = [0; 16];
+ },
+
+ init: {
+ resources: [BUFFER],
+ },
+}
+
+fn init(_p: init::Peripherals, r: init::Resources) {
+ let _buf: &'static mut [u8] = r.BUFFER;
+}
+
+fn idle() -> ! {
+ loop {
+ rtfm::wfi();
+ }
+}