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Diffstat (limited to 'examples/idle-wfi.rs')
| -rw-r--r-- | examples/idle-wfi.rs | 48 |
1 files changed, 0 insertions, 48 deletions
diff --git a/examples/idle-wfi.rs b/examples/idle-wfi.rs deleted file mode 100644 index 8134ce3..0000000 --- a/examples/idle-wfi.rs +++ /dev/null @@ -1,48 +0,0 @@ -//! examples/idle-wfi.rs - -#![deny(unsafe_code)] -#![deny(warnings)] -#![deny(missing_docs)] -#![no_main] -#![no_std] - -use panic_semihosting as _; - -#[rtic::app(device = lm3s6965)] -mod app { - use cortex_m_semihosting::{debug, hprintln}; - - #[shared] - struct Shared {} - - #[local] - struct Local {} - - #[init] - fn init(mut cx: init::Context) -> (Shared, Local) { - hprintln!("init"); - - // Set the ARM SLEEPONEXIT bit to go to sleep after handling interrupts - // See https://developer.arm.com/docs/100737/0100/power-management/sleep-mode/sleep-on-exit-bit - cx.core.SCB.set_sleepdeep(); - - (Shared {}, Local {}) - } - - #[idle(local = [x: u32 = 0])] - fn idle(cx: idle::Context) -> ! { - // Locals in idle have lifetime 'static - let _x: &'static mut u32 = cx.local.x; - - hprintln!("idle"); - - debug::exit(debug::EXIT_SUCCESS); // Exit QEMU simulator - - loop { - // Now Wait For Interrupt is used instead of a busy-wait loop - // to allow MCU to sleep between interrupts - // https://developer.arm.com/documentation/ddi0406/c/Application-Level-Architecture/Instruction-Details/Alphabetical-list-of-instructions/WFI - rtic::export::wfi() - } - } -} |
