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61 lines
1.2 KiB
Rust
61 lines
1.2 KiB
Rust
//! examples/singleton.rs
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#![deny(unsafe_code)]
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#![deny(warnings)]
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#![no_main]
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#![no_std]
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extern crate panic_semihosting;
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use alloc_singleton::stable::pool::{Box, Pool};
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use cortex_m_semihosting::{debug, hprintln};
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use lm3s6965::Interrupt;
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use rtfm::app;
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#[app(device = lm3s6965)]
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const APP: () = {
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#[Singleton(Send)]
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static mut M: [u32; 2] = [0; 2];
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static mut P: Pool<M> = ();
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#[init(resources = [M])]
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fn init() -> init::LateResources {
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rtfm::pend(Interrupt::I2C0);
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init::LateResources {
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P: Pool::new(resources.M),
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}
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}
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#[interrupt(
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priority = 2,
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resources = [P],
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spawn = [foo, bar],
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)]
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fn I2C0() {
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spawn.foo(resources.P.alloc(1).unwrap()).unwrap();
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spawn.bar(resources.P.alloc(2).unwrap()).unwrap();
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}
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#[task(resources = [P])]
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fn foo(x: Box<M>) {
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hprintln!("foo({})", x).unwrap();
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resources.P.lock(|p| p.dealloc(x));
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debug::exit(debug::EXIT_SUCCESS);
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}
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#[task(priority = 2, resources = [P])]
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fn bar(x: Box<M>) {
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hprintln!("bar({})", x).unwrap();
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resources.P.dealloc(x);
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}
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extern "C" {
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fn UART0();
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fn UART1();
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}
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};
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