//! Two tasks running at the same priority with access to the same resource //! //! ``` //! //! #![deny(unsafe_code)] //! #![feature(const_fn)] //! #![feature(proc_macro)] //! #![no_std] //! //! #[macro_use(task)] //! extern crate cortex_m_rtfm as rtfm; //! extern crate stm32f103xx; //! //! use rtfm::{app, Threshold}; //! //! app! { //! device: stm32f103xx, //! //! // Resources that are plain data, not peripherals //! resources: { //! // Declaration of resources looks like the declaration of `static` //! // variables //! static COUNTER: u64 = 0; //! }, //! //! tasks: { //! SYS_TICK: { //! priority: 1, //! // Both this task and TIM2 have access to the `COUNTER` resource //! resources: [COUNTER], //! }, //! //! // An interrupt as a task //! TIM2: { //! // For interrupts the `enabled` field must be specified. It //! // indicates if the interrupt will be enabled or disabled once //! // `idle` starts //! enabled: true, //! priority: 1, //! resources: [COUNTER], //! }, //! }, //! } //! //! // when data resources are declared in the top `resources` field, `init` will //! // have full access to them //! fn init(_p: init::Peripherals, _r: init::Resources) { //! // .. //! } //! //! fn idle() -> ! { //! loop { //! rtfm::wfi(); //! } //! } //! //! task!(SYS_TICK, sys_tick); //! //! // As both tasks are running at the same priority one can't preempt the other. //! // Thus both tasks have direct access to the resource //! fn sys_tick(_t: &mut Threshold, r: SYS_TICK::Resources) { //! // .. //! //! **r.COUNTER += 1; //! //! // .. //! } //! //! task!(TIM2, tim2); //! //! fn tim2(_t: &mut Threshold, r: TIM2::Resources) { //! // .. //! //! **r.COUNTER += 1; //! //! // .. //! } //! ``` // Auto-generated. Do not modify.