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Diffstat (limited to 'examples/safe-static-mut-ref.rs')
-rw-r--r-- | examples/safe-static-mut-ref.rs | 32 |
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(); + } +} |