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

pub mod dummy;

#[cfg(target_family = "unix")]
pub mod sysfs_gpio;

pub mod update_db_with_gpio;

#[derive(Clone, Debug, PartialEq)]
pub enum GPIOState {
    High,
    Low,
}

#[derive(Debug)]
#[allow(dead_code)]
pub enum GPIOMode {
    Input,
    Output,
}

#[derive(Debug)]
pub enum GPIOError {
    PinNotSetup,
    PinInIncorrectMode { required_mode: GPIOMode },
    Io(std::io::Error),
    Other(String),
}

pub trait GPIOManager: Send {
    fn setup(&mut self, pin: usize, mode: &GPIOMode) -> Result<(), GPIOError>;

    fn set_pin(&mut self, pin_id: usize, state: &GPIOState) -> Result<(), GPIOError>;

    fn get_pin(&self, pin: usize) -> Result<GPIOState, GPIOError>;
}

#[derive(Debug)]
pub struct PinUpdate {
    pin: usize,
    to: GPIOState,
}

impl PinUpdate {
    pub fn new(pin: usize, to: GPIOState) -> Self {
        PinUpdate { pin, to }
    }
}