mwatch_kernel 0.9.0

A embedded 'Smart' watch
Documentation 
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

//! System info state - debugging

use crate::application::wm::{State, ScopedState, Signal};
use crate::Ssd1351;
use crate::system::system::System;

use mwatch_kernel_api::InputEvent;

use heapless::String;
use heapless::consts::*;
use core::fmt::Write;

use embedded_graphics::Drawing;
use embedded_graphics::fonts::Font6x12;
use embedded_graphics::prelude::*;

pub struct AppState {
    buffer: String<U256>
}

impl Default for AppState {
    fn default() -> Self {
        Self {
            buffer: String::new(),
        }
    }
}

impl State for AppState {
    fn render(&mut self, system: &mut System, display: &mut Ssd1351) -> Option<Signal> {
        system.am().service(display).unwrap();
        None     
    }

    fn input(&mut self, system: &mut System, display: &mut Ssd1351, input: InputEvent) -> Option<Signal> {
        match input {
            InputEvent::Multi => {
                system.am().pause();
                Some(Signal::Home) // signal to wm to go home
            }
            _ => {
                system.am().service_input(display, input).unwrap();
                None
            }
        }
    }
}

impl ScopedState for AppState {
    /// Render a preview or Icon before launching the whole application
    fn preview(&mut self, _system: &mut System, display: &mut Ssd1351) -> Option<Signal> {
        self.buffer.clear();
        write!(self.buffer, "Open App").unwrap();
        display.draw(
            Font6x12::render_str(self.buffer.as_str())
                .translate(Coord::new(24, 24))
                .with_stroke(Some(0xF818_u16.into()))
                .into_iter(),
        );
        None
    }

    fn is_running(&self, system: &mut System) -> bool {
        system.am().status().is_running
    }

    /// Start 
    fn start(&mut self, system: &mut System) {
        match system.am().execute() {
            Ok(_) => {},
            Err(err) => error!("Failed to launch application {:?}", err)
        }
    }

    /// Stop
    fn stop(&mut self, system: &mut System) {
        system.am().stop().unwrap();
    }
}