blue_hal/hal/
null.rs

1use super::{
2    flash,
3    serial::{Read, TimeoutRead, Write},
4    time,
5};
6
7pub type NullAddress = usize;
8
9pub struct NullSerial;
10
11#[derive(Copy, Clone, Debug)]
12pub struct NullError;
13
14impl Read for NullSerial {
15    type Error = NullError;
16    fn read(&mut self) -> nb::Result<u8, Self::Error> { unimplemented!() }
17}
18
19impl Write for NullSerial {
20    type Error = NullError;
21
22    fn write_str(&mut self, _: &str) -> Result<(), Self::Error> { unimplemented!() }
23}
24
25impl TimeoutRead for NullSerial {
26    type Error = NullError;
27    fn read<T: Copy + Into<super::time::Milliseconds>>(&mut self, _: T) -> Result<u8, Self::Error> {
28        unimplemented!()
29    }
30}
31
32pub struct NullFlash;
33
34impl flash::ReadWrite for NullFlash {
35    type Error = NullError;
36    type Address = NullAddress;
37
38    fn label() -> &'static str {
39        unimplemented!();
40    }
41    fn read(&mut self, _: Self::Address, _: &mut [u8]) -> nb::Result<(), Self::Error> {
42        unimplemented!()
43    }
44    fn write(&mut self, _: Self::Address, _: &[u8]) -> nb::Result<(), Self::Error> {
45        unimplemented!()
46    }
47    fn range(&self) -> (Self::Address, Self::Address) { unimplemented!() }
48    fn erase(&mut self) -> nb::Result<(), Self::Error> { unimplemented!() }
49    fn write_from_blocks<I: Iterator<Item = [u8; N]>, const N: usize>(
50        &mut self,
51        _: Self::Address,
52        _: I,
53    ) -> Result<(), Self::Error> {
54        unimplemented!()
55    }
56}
57
58pub struct NullSystick;
59
60#[derive(Copy, Clone, Debug)]
61pub struct NullInstant;
62
63impl core::ops::Sub for NullInstant {
64    type Output = time::Milliseconds;
65    fn sub(self, _: Self) -> Self::Output { time::Milliseconds(0) }
66}
67
68/// Addition between any Millisecond-convertible type and the current tick.
69impl<T: Into<time::Milliseconds>> core::ops::Add<T> for NullInstant {
70    type Output = Self;
71    fn add(self, _: T) -> Self { Self {} }
72}
73
74impl time::Now for NullSystick {
75    type I = NullInstant;
76    fn now() -> Self::I { unimplemented!() }
77}
blue_hal/hal/null.rs

blue_hal/hal/
null.rs
