1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
#![deny(missing_docs)]
#![deny(warnings)]
#![feature(const_fn,const_unsafe_cell_new)]
#![no_std]
use core::cell::UnsafeCell;
#[derive(Debug)]
pub struct Peripheral<T>
where
T: 'static,
{
address: *mut T,
}
impl<T> Peripheral<T> {
pub const unsafe fn new(address: usize) -> Self {
Peripheral { address: address as *mut T }
}
pub fn borrow<'cs>(&self, _ctxt: &'cs CriticalSection) -> &'cs T {
unsafe { &*self.get() }
}
pub fn get(&self) -> *mut T {
self.address as *mut T
}
}
pub struct CriticalSection {
_0: (),
}
impl CriticalSection {
pub unsafe fn new() -> Self {
CriticalSection { _0: () }
}
}
pub struct Mutex<T> {
inner: UnsafeCell<T>,
}
impl<T> Mutex<T> {
pub const fn new(value: T) -> Self {
Mutex { inner: UnsafeCell::new(value) }
}
}
impl<T> Mutex<T> {
pub fn borrow<'cs>(&self, _cs: &'cs CriticalSection) -> &'cs T {
unsafe { &*self.inner.get() }
}
}
pub unsafe trait Nr {
fn nr(&self) -> u8;
}
unsafe impl<T> Sync for Mutex<T>
where
T: Send,
{
}