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Auto merge of #63 - japaric:cortex-m-up, r=japaric

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adapt to changes in the cortex-m crate

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This commit is contained in:
homunkulus 2018-01-11 19:57:17 +00:00
commit 34edc41e92
11 changed files with 69 additions and 42 deletions
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2
examples/one-task.rs
View file

@ -43,7 +43,7 @@ app! {
}
}
fn init(p: init::Peripherals, r: init::Resources) {
fn init(mut p: init::Peripherals, r: init::Resources) {
// `init` can modify all the `resources` declared in `app!`
r.ON;

4
macros/src/trans.rs
View file

@ -370,10 +370,10 @@ fn init(app: &App, main: &mut Vec<Tokens>, root: &mut Vec<Tokens>) {
});
}
Kind::Interrupt { enabled } => {
// Interrupt. These can be enabled / disabled through the NVIC
// Interrupt. These are enabled / disabled through the NVIC
if interrupts.is_empty() {
interrupts.push(quote! {
let nvic = &*#device::NVIC::ptr();
let mut nvic: #device::NVIC = core::mem::transmute(());
});
}

6
src/examples/_0_zero_tasks.rs
View file

@ -2,6 +2,7 @@
//!
//! ```
//! #![deny(unsafe_code)]
//! #![deny(warnings)]
//! // IMPORTANT always include this feature gate
//! #![feature(proc_macro)]
//! #![no_std]
@ -27,8 +28,9 @@
//! // this function.
//! fn init(p: init::Peripherals) {
//! // This function has access to all the peripherals of the device
//! p.GPIOA;
//! p.RCC;
//! p.core.SYST;
//! p.device.GPIOA;
//! p.device.RCC;
//! // ..
//! }
//!

43
src/examples/_1_one_task.rs
View file

@ -2,6 +2,7 @@
//!
//! ```
//! #![deny(unsafe_code)]
//! #![deny(warnings)]
//! #![feature(proc_macro)]
//! #![no_std]
//!
@ -9,8 +10,9 @@
//! extern crate cortex_m_rtfm as rtfm;
//! extern crate stm32f103xx;
//!
//! use cortex_m::peripheral::SystClkSource;
//! use cortex_m::peripheral::syst::SystClkSource;
//! use rtfm::{app, Threshold};
//! use stm32f103xx::GPIOC;
//!
//! app! {
//! device: stm32f103xx,
@ -37,31 +39,31 @@
//!
//! // These are the resources this task has access to.
//! //
//! // A resource can be a peripheral like `GPIOC` or a static variable
//! // like `ON`
//! resources: [GPIOC, ON],
//! // The resources listed here must also appear in `app.resources`
//! resources: [ON],
//! },
//! }
//! }
//!
//! fn init(p: init::Peripherals, r: init::Resources) {
//! fn init(mut p: init::Peripherals, r: init::Resources) {
//! // `init` can modify all the `resources` declared in `app!`
//! r.ON;
//!
//! // power on GPIOC
//! p.RCC.apb2enr.modify(|_, w| w.iopcen().enabled());
//! p.device.RCC.apb2enr.modify(|_, w| w.iopcen().enabled());
//!
//! // configure PC13 as output
//! p.GPIOC.bsrr.write(|w| w.bs13().set());
//! p.GPIOC
//! p.device.GPIOC.bsrr.write(|w| w.bs13().set());
//! p.device
//! .GPIOC
//! .crh
//! .modify(|_, w| w.mode13().output().cnf13().push());
//!
//! // configure the system timer to generate one interrupt every second
//! p.SYST.set_clock_source(SystClkSource::Core);
//! p.SYST.set_reload(8_000_000); // 1s
//! p.SYST.enable_interrupt();
//! p.SYST.enable_counter();
//! p.core.SYST.set_clock_source(SystClkSource::Core);
//! p.core.SYST.set_reload(8_000_000); // 1s
//! p.core.SYST.enable_interrupt();
//! p.core.SYST.enable_counter();
//! }
//!
//! fn idle() -> ! {
@ -76,16 +78,23 @@
//! //
//! // `r` is the set of resources this task has access to. `SYS_TICK::Resources`
//! // has one field per resource declared in `app!`.
//! fn sys_tick(_t: &mut Threshold, r: SYS_TICK::Resources) {
//! #[allow(unsafe_code)]
//! fn sys_tick(_t: &mut Threshold, mut r: SYS_TICK::Resources) {
//! // toggle state
//! **r.ON = !**r.ON;
//! *r.ON = !*r.ON;
//!
//! if **r.ON {
//! if *r.ON {
//! // set the pin PC13 high
//! r.GPIOC.bsrr.write(|w| w.bs13().set());
//! // NOTE(unsafe) atomic write to a stateless register
//! unsafe {
//! (*GPIOC::ptr()).bsrr.write(|w| w.bs13().set());
//! }
//! } else {
//! // set the pin PC13 low
//! r.GPIOC.bsrr.write(|w| w.br13().reset());
//! // NOTE(unsafe) atomic write to a stateless register
//! unsafe {
//! (*GPIOC::ptr()).bsrr.write(|w| w.br13().reset());
//! }
//! }
//! }
//! ```

9
src/examples/_2_two_tasks.rs
View file

@ -2,6 +2,7 @@
//!
//! ```
//! #![deny(unsafe_code)]
//! #![deny(warnings)]
//! #![feature(proc_macro)]
//! #![no_std]
//!
@ -43,18 +44,18 @@
//!
//! // 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) {
//! fn sys_tick(_t: &mut Threshold, mut r: SYS_TICK::Resources) {
//! // ..
//!
//! **r.COUNTER += 1;
//! *r.COUNTER += 1;
//!
//! // ..
//! }
//!
//! fn tim2(_t: &mut Threshold, r: TIM2::Resources) {
//! fn tim2(_t: &mut Threshold, mut r: TIM2::Resources) {
//! // ..
//!
//! **r.COUNTER += 1;
//! *r.COUNTER += 1;
//!
//! // ..
//! }

7
src/examples/_3_preemption.rs
View file

@ -2,6 +2,7 @@
//!
//! ```
//! #![deny(unsafe_code)]
//! #![deny(warnings)]
//! #![feature(proc_macro)]
//! #![no_std]
//!
@ -43,12 +44,12 @@
//! }
//! }
//!
//! fn sys_tick(_t: &mut Threshold, r: SYS_TICK::Resources) {
//! fn sys_tick(_t: &mut Threshold, mut r: SYS_TICK::Resources) {
//! // ..
//!
//! // This task can't be preempted by `tim2` so it has direct access to the
//! // resource data
//! **r.COUNTER += 1;
//! *r.COUNTER += 1;
//!
//! // ..
//! }
@ -62,7 +63,7 @@
//! // lead to undefined behavior.
//! r.COUNTER.claim_mut(t, |counter, _t| {
//! // `claim_mut` creates a critical section
//! **counter += 1;
//! *counter += 1;
//! });
//!
//! // ..

1
src/examples/_4_nested.rs
View file

@ -5,6 +5,7 @@
//!
//! ```
//! #![deny(unsafe_code)]
//! #![deny(warnings)]
//! #![feature(proc_macro)]
//! #![no_std]
//!

2
src/examples/_5_late_resources.rs
View file

@ -1,8 +1,8 @@
//! Demonstrates initialization of resources in `init`.
//!
//! ```
//!
//! #![deny(unsafe_code)]
//! #![deny(warnings)]
//! #![feature(proc_macro)]
//! #![no_std]
//!

15
src/examples/_6_generics.rs
View file

@ -2,6 +2,7 @@
//!
//! ```
//! #![deny(unsafe_code)]
//! #![deny(warnings)]
//! #![feature(proc_macro)]
//! #![no_std]
//!
@ -14,6 +15,11 @@
//! app! {
//! device: stm32f103xx,
//!
//! resources: {
//! static GPIOA: GPIOA;
//! static SPI1: SPI1;
//! },
//!
//! tasks: {
//! EXTI0: {
//! path: exti0,
@ -29,7 +35,12 @@
//! },
//! }
//!
//! fn init(_p: init::Peripherals) {}
//! fn init(p: init::Peripherals) -> init::LateResources {
//! init::LateResources {
//! GPIOA: p.device.GPIOA,
//! SPI1: p.device.SPI1,
//! }
//! }
//!
//! fn idle() -> ! {
//! loop {
@ -61,7 +72,7 @@
//!
//! // This task has direct access to the resources
//! fn exti1(t: &mut Threshold, r: EXTI1::Resources) {
//! work(t, r.GPIOA, r.SPI1);
//! work(t, &r.GPIOA, &r.SPI1);
//! }
//! ```
// Auto-generated. Do not modify.

15
src/examples/_7_full_syntax.rs
View file

@ -2,6 +2,7 @@
//!
//! ```
//! #![deny(unsafe_code)]
//! #![deny(warnings)]
//! #![feature(proc_macro)]
//! #![no_std]
//!
@ -64,24 +65,24 @@
//! *r.OWNED != *r.OWNED;
//!
//! if *r.OWNED {
//! if r.SHARED.claim(t, |shared, _| **shared) {
//! if r.SHARED.claim(t, |shared, _| *shared) {
//! rtfm::wfi();
//! }
//! } else {
//! r.SHARED.claim_mut(t, |shared, _| **shared = !**shared);
//! r.SHARED.claim_mut(t, |shared, _| *shared = !*shared);
//! }
//! }
//! }
//! }
//!
//! fn sys_tick(_t: &mut Threshold, r: SYS_TICK::Resources) {
//! **r.ON = !**r.ON;
//! fn sys_tick(_t: &mut Threshold, mut r: SYS_TICK::Resources) {
//! *r.ON = !*r.ON;
//!
//! **r.CO_OWNED += 1;
//! *r.CO_OWNED += 1;
//! }
//!
//! fn tim2(_t: &mut Threshold, r: TIM2::Resources) {
//! **r.CO_OWNED += 1;
//! fn tim2(_t: &mut Threshold, mut r: TIM2::Resources) {
//! *r.CO_OWNED += 1;
//! }
//! ```
// Auto-generated. Do not modify.

7
src/lib.rs
View file

@ -87,11 +87,12 @@ extern crate cortex_m_rtfm_macros;
extern crate rtfm_core;
extern crate untagged_option;
use core::u8;
use core::{mem, u8};
pub use rtfm_core::{Resource, Threshold};
pub use cortex_m::asm::{bkpt, wfi};
pub use cortex_m::peripheral::NVIC;
pub use cortex_m_rtfm_macros::app;
pub use rtfm_core::{Resource, Threshold};
#[doc(hidden)]
pub use untagged_option::UntaggedOption;
@ -165,6 +166,6 @@ where
I: Nr,
{
// NOTE(safe) atomic write
let nvic = unsafe { &*cortex_m::peripheral::NVIC::ptr() };
let mut nvic: NVIC = unsafe { mem::transmute(()) };
nvic.set_pending(interrupt);
}