rtic/tests/cfail/peripherals-alias-1.rs
Jorge Aparicio 8659ecea72 add a peripherals! macro
for safe declaration of `Peripheral`s

closes #12
2017-04-25 14:13:46 -05:00

68 lines
1.2 KiB
Rust

// error-pattern: has already been defined
#![feature(used)]
#[macro_use]
extern crate cortex_m_rtfm as rtfm;
use rtfm::{C16, P0, P1};
use device::interrupt::Exti0;
peripherals!(device, {
GPIOA: Peripheral {
register_block: Gpioa,
ceiling: C1,
},
// WRONG: peripheral alias
GPIOA: Peripheral {
register_block: Gpioa,
ceiling: C2,
},
});
tasks!(device, {});
fn init(_: P0, _: &C16) {}
fn idle(_: P0) -> ! {
loop {}
}
fn j1(_task: Exti0, _prio: P1) {}
// fake device crate
extern crate core;
extern crate cortex_m;
mod device {
use cortex_m::peripheral::Peripheral;
pub const GPIOA: Peripheral<Gpioa> = unsafe { Peripheral::new(0x0) };
pub struct Gpioa;
pub mod interrupt {
use cortex_m::interrupt::Nr;
extern "C" fn default_handler<T>(_: T) {}
pub struct Handlers {
pub Exti0: extern "C" fn(Exti0),
}
pub struct Exti0;
pub enum Interrupt {
Exti0,
}
unsafe impl Nr for Interrupt {
fn nr(&self) -> u8 {
0
}
}
pub const DEFAULT_HANDLERS: Handlers =
Handlers { Exti0: default_handler };
}
}