rtic/examples/gen_ok.rs
2019-09-25 19:26:37 +02:00

359 lines
11 KiB
Rust

#![feature(prelude_import)]
//! examples/idle.rs
#![feature(generator_trait)]
#![feature(generators)]
#![feature(never_type)]
#![feature(type_alias_impl_trait)]
#![feature(const_fn)]
#![feature(fmt_internals)]
#![feature(compiler_builtins_lib)]
#![no_main]
#![no_std]
#[rustfmt::skip]
#[prelude_import]
use core::prelude::v1::*;
#[macro_use]
extern crate core;
#[macro_use]
extern crate compiler_builtins;
use core::ops::Generator;
use cortex_m_semihosting::{debug, hprintln};
use lm3s6965::Interrupt;
use panic_semihosting as _;
use rtfm::{Exclusive, Mutex};
#[allow(non_snake_case)]
fn init(_: init::Context) {
// #[task(binds = GPIOA, resources = [shared2])]
// // fn foo1(ctx: &'static mut foo1::Context) -> impl Generator<Yield = (), Return = !> {
// fn foo1(mut ctx: foo1::Context) -> impl Generator<Yield = (), Return = !> {
// let mut local = 0;
// //let shared_res = Exclusive(ctx.resources.shared);
// // static shared_res : &mut u32 = ctx.resources.shared;
// // hprintln!("init foo1: {}", ctx.resources.shared);
// static mut X: u32 = 0;
// // let mut e = Exclusive(unsafe { &mut X });
// // //let mut e = Exclusive(ctx.resources.shared);
// // hprintln!(
// // "ex {:?}",
// // e.lock(|v| {
// // *v += 1;
// // *v
// // })
// // )
// // .unwrap();
// hprintln!("{}", ctx.resources.shared2.lock(|v| *v));
// move || loop {
// hprintln!("foo1_1 {} {}", local, unsafe { X }).unwrap();
// // hprintln!(
// // "ex {}",
// // e.lock(|v| {
// // *v += 1;
// // *v
// // })
// // )
// // .unwrap();
// local += 1;
// // shared_res.lock(|s| hprintln!("s {}", s));
// // *shared_res += 1;
// // *ctx.resources.shared += 1;
// unsafe { X += 1 };
// yield;
// hprintln!("foo1_2 {} {}", local, unsafe { X }).unwrap();
// local += 1;
// // unsafe { X += 1 };
// yield;
// }
// }
// ctx.resources.shared2.lock(|v| *v);
// hprintln!("{}", ctx.resources.shared2.lock(|v| *v)).unwrap();
::cortex_m_semihosting::export::hstdout_str("init\n").unwrap();
//
rtfm::pend(Interrupt::GPIOA);
}
#[allow(non_snake_case)]
fn idle(_: idle::Context) -> ! {
use rtfm::Mutex as _;
::cortex_m_semihosting::export::hstdout_str("idle\n").unwrap();
rtfm::pend(Interrupt::GPIOA);
::cortex_m_semihosting::export::hstdout_str("idle1\n").unwrap();
rtfm::pend(Interrupt::GPIOA);
debug::exit(debug::EXIT_SUCCESS);
loop {}
}
#[rustfmt::skip]
type Generatorfoo1= impl Generator<Yield = (), Return = !>;
static mut GENERATOR_FOO1: core::mem::MaybeUninit<Generatorfoo1> =
core::mem::MaybeUninit::uninit();
#[allow(non_snake_case)]
fn foo1(mut ctx: foo1::Context) -> Generatorfoo1 {
move || loop {
ctx.resources.shared2.lock(|v| {
*v += 1;
hprintln!("foo1_1 lock {}", v);
rtfm::pend(Interrupt::GPIOB);
hprintln!("foo1_1 unloclock {}", v);
});
ctx.resources.shared2.lock(|v| {
*v += 1;
hprintln!("foo1_1 {}", v);
});
yield;
ctx.resources.shared2.lock(|v| {
*v += 1;
hprintln!("foo1_2 {}", v);
});
yield;
}
}
#[allow(non_snake_case)]
fn foo2(mut ctx: foo2::Context) {
use rtfm::Mutex as _;
ctx.resources.shared2.lock(|v| {
*v += 1;
hprintln!("foo2 {}", v);
});
}
#[allow(non_snake_case)]
fn foo3(mut ctx: foo3::Context) {
use rtfm::Mutex as _;
ctx.resources.shared2.lock(|v| *v += 1);
}
#[allow(non_snake_case)]
#[doc = "Initialization function"]
pub mod init {
fn plepps() {}
#[doc = r" Execution context"]
pub struct Context {
#[doc = r" Core (Cortex-M) peripherals"]
pub core: rtfm::export::Peripherals,
}
impl Context {
#[inline(always)]
pub unsafe fn new(core: rtfm::export::Peripherals) -> Self {
Context { core }
}
}
}
#[allow(non_snake_case)]
#[doc = "Idle loop"]
pub mod idle {
fn plepps() {}
#[doc = r" Execution context"]
pub struct Context {}
impl Context {
#[inline(always)]
pub unsafe fn new(priority: rtfm::export::Priority) -> Self {
Context {}
}
}
}
mod resources {
use rtfm::export::Priority;
#[allow(non_camel_case_types)]
pub struct shared2 {
priority: Priority,
}
impl shared2 {
#[inline(always)]
pub unsafe fn new(priority: Priority) -> Self {
shared2 { priority }
}
#[inline(always)]
pub unsafe fn priority(&self) -> Priority {
self.priority.clone()
}
}
}
#[allow(non_snake_case)]
#[doc = "Resources `foo1` has access to"]
pub struct foo1Resources {
pub shared2: resources::shared2,
}
#[allow(non_snake_case)]
#[doc = "Hardware task"]
pub mod foo1 {
fn plepps() {}
#[doc(inline)]
pub use super::foo1Resources as Resources;
#[doc = r" Execution context"]
pub struct Context {
#[doc = r" Resources this task has access to"]
pub resources: Resources,
}
impl<'a> Context {
#[inline(always)]
pub unsafe fn new(priority: rtfm::export::Priority) -> Self {
Context {
resources: Resources::new(priority),
}
}
}
}
#[allow(non_snake_case)]
#[doc = "Resources `foo2` has access to"]
pub struct foo2Resources {
pub shared2: resources::shared2,
}
#[allow(non_snake_case)]
#[doc = "Hardware task"]
pub mod foo2 {
fn plepps() {}
#[doc(inline)]
pub use super::foo2Resources as Resources;
#[doc = r" Execution context"]
pub struct Context {
#[doc = r" Resources this task has access to"]
pub resources: Resources,
}
impl Context {
#[inline(always)]
pub unsafe fn new(priority: rtfm::export::Priority) -> Self {
Context {
resources: Resources::new(priority),
}
}
}
}
#[allow(non_snake_case)]
#[doc = "Resources `foo3` has access to"]
pub struct foo3Resources {
pub shared2: resources::shared2,
}
#[allow(non_snake_case)]
#[doc = "Hardware task"]
pub mod foo3 {
fn plepps() {}
#[doc(inline)]
pub use super::foo3Resources as Resources;
#[doc = r" Execution context"]
pub struct Context {
#[doc = r" Resources this task has access to"]
pub resources: Resources,
}
impl Context {
#[inline(always)]
pub unsafe fn new(priority: rtfm::export::Priority) -> Self {
Context {
resources: Resources::new(priority),
}
}
}
}
#[doc = r" Implementation details"]
const APP: () = {
#[doc = r" Always include the device crate which contains the vector table"]
use lm3s6965 as _;
#[allow(non_upper_case_globals)]
static mut shared2: u32 = 1;
impl<'a> rtfm::Mutex for resources::shared2 {
type T = u32;
#[inline(always)]
fn lock<R>(&mut self, f: impl FnOnce(&mut u32) -> R) -> R {
#[doc = r" Priority ceiling"]
const CEILING: u8 = 3u8;
unsafe {
rtfm::export::lock(
&mut shared2,
&self.priority(),
CEILING,
lm3s6965::NVIC_PRIO_BITS,
f,
)
}
}
}
#[allow(non_snake_case)]
#[no_mangle]
unsafe fn GPIOA() {
const PRIORITY: u8 = 1u8;
rtfm::export::run(PRIORITY, || {
::cortex_m_semihosting::export::hstdout_str("interrupt dispatch\n")
.unwrap();
let mut g: &mut dyn Generator<Yield = (), Return = !> =
&mut *GENERATOR_FOO1.as_mut_ptr();
core::pin::Pin::new_unchecked(&mut *g).resume();
});
}
impl foo1Resources {
#[inline(always)]
unsafe fn new(priority: rtfm::export::Priority) -> Self {
foo1Resources {
shared2: resources::shared2::new(priority),
}
}
}
#[allow(non_snake_case)]
#[no_mangle]
unsafe fn GPIOB() {
const PRIORITY: u8 = 2u8;
rtfm::export::run(PRIORITY, || {
crate::foo2(foo2::Context::new(rtfm::export::Priority::new(
PRIORITY,
)))
});
}
impl<'a> foo2Resources {
#[inline(always)]
unsafe fn new(priority: rtfm::export::Priority) -> Self {
foo2Resources {
shared2: resources::shared2::new(priority),
}
}
}
#[allow(non_snake_case)]
#[no_mangle]
unsafe fn GPIOC() {
const PRIORITY: u8 = 3u8;
rtfm::export::run(PRIORITY, || {
crate::foo3(foo3::Context::new(rtfm::export::Priority::new(
PRIORITY,
)))
});
}
impl foo3Resources {
#[inline(always)]
unsafe fn new(priority: rtfm::export::Priority) -> Self {
foo3Resources {
shared2: resources::shared2::new(priority),
}
}
}
#[no_mangle]
unsafe extern "C" fn main() -> ! {
rtfm::export::interrupt::disable();
let mut core: rtfm::export::Peripherals = core::mem::transmute(());
let _ = [(); ((1 << lm3s6965::NVIC_PRIO_BITS) - 1u8 as usize)];
core.NVIC.set_priority(
lm3s6965::Interrupt::GPIOA,
rtfm::export::logical2hw(1u8, lm3s6965::NVIC_PRIO_BITS),
);
rtfm::export::NVIC::unmask(lm3s6965::Interrupt::GPIOA);
let _ = [(); ((1 << lm3s6965::NVIC_PRIO_BITS) - 2u8 as usize)];
core.NVIC.set_priority(
lm3s6965::Interrupt::GPIOB,
rtfm::export::logical2hw(2u8, lm3s6965::NVIC_PRIO_BITS),
);
rtfm::export::NVIC::unmask(lm3s6965::Interrupt::GPIOB);
let _ = [(); ((1 << lm3s6965::NVIC_PRIO_BITS) - 3u8 as usize)];
core.NVIC.set_priority(
lm3s6965::Interrupt::GPIOC,
rtfm::export::logical2hw(3u8, lm3s6965::NVIC_PRIO_BITS),
);
rtfm::export::NVIC::unmask(lm3s6965::Interrupt::GPIOC);
let late = init(init::Context::new(core.into()));
const PRIORITY: u8 = 1u8;
unsafe {
GENERATOR_FOO1.as_mut_ptr().write(foo1(foo1::Context::new(
rtfm::export::Priority::new(PRIORITY),
)));
};
rtfm::export::interrupt::enable();
idle(idle::Context::new(rtfm::export::Priority::new(0)))
}
};