src/led.rs


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

use gd32vf103xx_hal::{
    gpio::{Floating, Input, Output, PushPull, Pxx, State, gpioa::PA7},
};
use embedded_hal::digital::v2::OutputPin;

pub struct LED {
    pin: Pxx<Output<PushPull>>,
    state: State,
}

impl LED {
    pub fn new(pin: PA7<Input<Floating>>) -> Self {
        let mut p = pin.into_push_pull_output().downgrade();
        p.set_low().ok();
        Self { pin: p, state: State::Low }
    }

    pub fn is_on(&self) -> bool {
        match self.state {
            State::High => true,
            State::Low => false,
        }
    }

    pub fn on(&mut self) {
        self.state = State::High;
        self.pin.set_high().ok();
    }

    pub fn off(&mut self) {
        self.state = State::Low;
        self.pin.set_low().ok();
    }

    pub fn toggle(&mut self) {
        if self.is_on() {
            self.off();
        } else {
            self.on();
        }
    }
}