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authorhomunkulus <homunkulus@gmx.com>2017-12-23 10:36:08 +0000
committerhomunkulus <homunkulus@gmx.com>2017-12-23 10:36:08 +0000
commit8a396c51f2caaeca7ee0f81ef2f3c4f2f73d8df1 (patch)
treefa6538343f2d524be574285c2bb68057edc11420 /examples/safe-static-mut-ref.rs
parent0f5784c2401d4b12004f34345e721598fa21219a (diff)
parenta238fd5dc783f57f8fa61795690e6069b1becd32 (diff)
Auto merge of #58 - japaric:init-resources, r=japaric
safe `&'static mut` references via init.resources see RFC #59 for details
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 0000000..bb87212
--- /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();
+ }
+}