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https://github.com/rtic-rs/rtic.git
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4060c3def8
* Rebase to master * using interrupt_mod * bug fixes * fix other backends * Add changelog * forgot about rtic-macros * backend-specific configuration * core peripherals optional over macro argument * pre_init_preprocessing binding * CI for RISC-V (WIP) * separation of concerns * add targets for RISC-V examples * remove qemu feature * prepare examples folder * move examples all together * move ci out of examples * minor changes * add cortex-m * new xtask: proof of concept * fix build.yml * feature typo * clean rtic examples * reproduce weird issue * remove unsafe code in user app * update dependencies * allow builds on riscv32imc * let's fix QEMU * Update .github/workflows/build.yml Co-authored-by: Henrik Tjäder <henrik@tjaders.com> * New build.rs * removing test features * adapt ui test to new version of clippy * add more examples to RISC-V backend * proper configuration of heapless for riscv32imc * opt-out examples for riscv32imc * point to new version of riscv-slic * adapt new macro bindings * adapt examples and CI to stable * fix cortex-m CI * Review --------- Co-authored-by: Henrik Tjäder <henrik@tjaders.com>
48 lines
1.2 KiB
Rust
48 lines
1.2 KiB
Rust
//! examples/idle-wfi.rs
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#![no_main]
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#![no_std]
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#![deny(warnings)]
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#![deny(unsafe_code)]
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#![deny(missing_docs)]
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use panic_semihosting as _;
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#[rtic::app(device = lm3s6965)]
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mod app {
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use cortex_m_semihosting::{debug, hprintln};
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#[shared]
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struct Shared {}
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#[local]
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struct Local {}
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#[init]
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fn init(mut cx: init::Context) -> (Shared, Local) {
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hprintln!("init");
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// Set the ARM SLEEPONEXIT bit to go to sleep after handling interrupts
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// See https://developer.arm.com/docs/100737/0100/power-management/sleep-mode/sleep-on-exit-bit
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cx.core.SCB.set_sleepdeep();
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(Shared {}, Local {})
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}
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#[idle(local = [x: u32 = 0])]
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fn idle(cx: idle::Context) -> ! {
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// Locals in idle have lifetime 'static
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let _x: &'static mut u32 = cx.local.x;
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hprintln!("idle");
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debug::exit(debug::EXIT_SUCCESS); // Exit QEMU simulator
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loop {
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// Now Wait For Interrupt is used instead of a busy-wait loop
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// to allow MCU to sleep between interrupts
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// https://developer.arm.com/documentation/ddi0406/c/Application-Level-Architecture/Instruction-Details/Alphabetical-list-of-instructions/WFI
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rtic::export::wfi()
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}
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}
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}
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