Working basics

Cargo.lock

@@ -789,6 +789,7 @@ dependencies = [
  "profont",
  "rand",
  "shared",
+ "strum 0.26.3",
  "weact-studio-epd",
 ]
 

Cargo.toml

@@ -19,6 +19,7 @@ weact-studio-epd = { version = "0.1.2", features = ["blocking"] }
 
 shared = { path = "./shared", features = ['trng'] }
 maze = { path = "./maze" }
+strum = { version = "0.26.3", default-features = false, features = ["derive"] }
 
 [profile.dev]
 # Rust debug is too slow.

maze/src/lib.rs

@@ -315,7 +315,6 @@ fn choose_orientation(width: usize, height: usize, trng: &mut impl GenU32) -> Or
 #[cfg(test)]
 mod tests {
     use super::*;
-    use shared::GenU32;
 
     #[test]
     fn create_maze() {
@@ -485,19 +484,19 @@ impl<const X: usize, const Y: usize, const SIZE: usize> BinaryMap<X, Y, SIZE> {
         Self([MazePart::Noop; SIZE])
     }
 
-    pub fn at(&self, x: usize, y: usize) -> MazePart {
-        self.0[y * X + x]
+    pub fn at(&self, x: u16, y: u16) -> MazePart {
+        self.0[y as usize * X + x as usize]
     }
 
-    pub fn can_move(&self, player: (usize, usize), dir: Direction) -> bool {
+    pub fn can_move(&self, player: (u16, u16), dir: Direction) -> bool {
         match dir {
             Direction::West if player.0 == 0 => false,
             Direction::West => self.at(player.0 - 1, player.1) != MazePart::Wall,
-            Direction::East if player.0 == X - 1 => false,
+            Direction::East if player.0 as usize == X - 1 => false,
             Direction::East => self.at(player.0 + 1, player.1) != MazePart::Wall,
             Direction::North if player.1 == 0 => false,
             Direction::North => self.at(player.0, player.1 - 1) != MazePart::Wall,
-            Direction::South if player.1 == Y - 1 => false,
+            Direction::South if player.1 as usize == Y - 1 => false,
             Direction::South => self.at(player.0, player.1 + 1) != MazePart::Wall,
         }
     }
@@ -624,8 +623,6 @@ pub enum MazePart {
 #[cfg(test)]
 mod print_tests {
     use super::*;
-    use std::io::Cursor;
-    use std::io::Write;
 
     #[test]
     fn print() {

src/apps/maze_game.rs

@@ -0,0 +1,89 @@
+use maze::{BinaryMapVisitor, Direction};
+
+use crate::Button;
+
+use super::*;
+
+pub struct MazeGame {
+    map: maze::BinaryMap<122, 122, 14884>,
+    player: (u16, u16),
+}
+
+impl MazeGame {
+    pub fn new() -> Self {
+        Self {
+            map: maze::BinaryMap::new(),
+            player: (0, 1),
+        }
+    }
+}
+
+impl App for MazeGame {
+    fn start(&mut self, trng: &mut Trng) {
+        let mut grid = maze::Grid::<60, 60, 3600>::new();
+        maze::RecursiveDivision.generate(&mut grid, trng);
+        BinaryMapVisitor.format(&mut grid, &mut self.map.0);
+    }
+
+    fn draw(&self, display: &mut Display290TriColor) {
+        let wall_style = PrimitiveStyleBuilder::new()
+            .stroke_color(TriColor::Black)
+            .stroke_width(3)
+            .fill_color(TriColor::Black)
+            .build();
+        let player_style = PrimitiveStyleBuilder::new()
+            .stroke_color(TriColor::Red)
+            .stroke_width(3)
+            .fill_color(TriColor::Red)
+            .build();
+
+        const X_OFFSET: i32 = 2;
+        const Y_OFFSET: i32 = 2;
+
+        for x in 0..122 {
+            for y in 0..122 {
+                match self.map.at(x, y) {
+                    maze::MazePart::Wall => {
+                        let p = Rectangle::new(
+                            Point::new(x as i32 + X_OFFSET, y as i32 + Y_OFFSET),
+                            Size::new(1, 1),
+                        );
+                        p.draw_styled(&wall_style, display).unwrap();
+                    }
+                    _ => {}
+                }
+            }
+            let p = Rectangle::new(
+                Point::new(
+                    self.player.0 as i32 + X_OFFSET,
+                    self.player.1 as i32 + Y_OFFSET,
+                ),
+                Size::new(1, 1),
+            );
+            p.draw_styled(&player_style, display).unwrap();
+        }
+    }
+
+    fn update(&mut self, ctx: &Context) -> Action {
+        let Some(button) = ctx.button_pressed else {
+            return Action::Noop;
+        };
+        match button {
+            Button::Up if self.map.can_move(self.player, Direction::North) => {
+                self.player.1 -= 1;
+            }
+            Button::Down if self.map.can_move(self.player, Direction::South) => {
+                self.player.1 += 1;
+            }
+            Button::Left if self.map.can_move(self.player, Direction::West) => {
+                self.player.0 -= 1;
+            }
+            Button::Right if self.map.can_move(self.player, Direction::East) => {
+                self.player.0 += 1;
+            }
+            Button::Back => return Action::GoToMenu,
+            _ => {}
+        };
+        Action::Noop
+    }
+}

src/apps/menu.rs

@@ -0,0 +1,90 @@
+use crate::Button;
+
+use super::*;
+use profont::PROFONT_24_POINT;
+use strum::IntoEnumIterator;
+
+#[derive(Debug, Clone, Copy, Default, PartialEq, strum::EnumIter)]
+enum MenuEntry {
+    #[default]
+    Labirynth,
+    Pairs,
+}
+
+impl MenuEntry {
+    fn as_str(&self) -> &str {
+        match self {
+            MenuEntry::Labirynth => "Labirynt",
+            MenuEntry::Pairs => "Pary",
+        }
+    }
+
+    fn position(&self) -> Point {
+        match self {
+            MenuEntry::Labirynth => Point::new(8, 68),
+            MenuEntry::Pairs => Point::new(38, 68),
+        }
+    }
+}
+
+pub struct Menu {
+    selected: MenuEntry,
+}
+
+impl Menu {
+    pub fn new() -> Menu {
+        Menu {
+            selected: MenuEntry::default(),
+        }
+    }
+}
+
+impl App for Menu {
+    fn start(&mut self, _trng: &mut Trng) {}
+
+    fn update(&mut self, ctx: &Context) -> Action {
+        let Some(button) = ctx.button_pressed else {
+            return Action::Noop;
+        };
+        match button {
+            Button::Up => match self.selected {
+                MenuEntry::Labirynth => return Action::Noop,
+                MenuEntry::Pairs => {
+                    self.selected = MenuEntry::Labirynth;
+                }
+            },
+            Button::Down => match self.selected {
+                MenuEntry::Labirynth => {
+                    self.selected = MenuEntry::Pairs;
+                }
+                MenuEntry::Pairs => return Action::Noop,
+            },
+            Button::Circle => match self.selected {
+                MenuEntry::Labirynth => return Action::StartMaze,
+                MenuEntry::Pairs => return Action::StartPairs,
+            },
+            _ => return Action::Noop,
+        };
+        Action::Noop
+    }
+
+    fn draw(&self, display: &mut Display290TriColor) {
+        let style = MonoTextStyle::new(&PROFONT_24_POINT, TriColor::Black);
+        let selected_style = MonoTextStyle::new(&PROFONT_24_POINT, TriColor::Red);
+
+        MenuEntry::iter().for_each(|entry| {
+            let _ = Text::with_text_style(
+                entry.as_str(),
+                entry.position(),
+                if entry == self.selected {
+                    selected_style
+                } else {
+                    style
+                },
+                TextStyle::default(),
+            )
+            .draw(display)
+            .unwrap();
+        });
+    }
+}

src/apps/mod.rs

@@ -0,0 +1,67 @@
+use embedded_graphics::{
+    geometry::{Point, Size},
+    mono_font::MonoTextStyle,
+    primitives::{PrimitiveStyleBuilder, Rectangle, StyledDrawable},
+    text::{Text, TextStyle},
+    Drawable,
+};
+use esp_hal::rng::Trng;
+use maze_game::MazeGame;
+use menu::Menu;
+use weact_studio_epd::{graphics::Display290TriColor, TriColor};
+
+use crate::Context;
+
+pub mod guess_game;
+pub mod maze_game;
+pub mod menu;
+
+pub enum Action {
+    Noop,
+    GoToMenu,
+    StartMaze,
+    StartPairs,
+}
+
+pub enum Application {
+    Menu(Menu),
+    Maze(maze_game::MazeGame),
+}
+
+impl Application {
+    pub fn update(&mut self, ctx: &Context, trng: &mut Trng) {
+        let action = match self {
+            Self::Menu(menu) => menu.update(ctx),
+            Self::Maze(maze) => maze.update(ctx),
+        };
+        match action {
+            Action::StartMaze => {
+                let mut maze = MazeGame::new();
+                maze.start(trng);
+                *self = Application::Maze(maze);
+            }
+            Action::GoToMenu => {
+                let mut menu = Menu::new();
+                menu.start(trng);
+                *self = Application::Menu(menu);
+            }
+            Action::Noop => {}
+            Action::StartPairs => {}
+        }
+    }
+
+    pub fn draw(&self, display: &mut Display290TriColor) {
+        match self {
+            Self::Menu(menu) => menu.draw(display),
+            Self::Maze(maze) => maze.draw(display),
+        }
+    }
+}
+
+pub trait App {
+    fn start(&mut self, trng: &mut Trng);
+
+    fn draw(&self, display: &mut Display290TriColor);
+
+    fn update(&mut self, ctx: &Context) -> Action;
+}

src/main.rs

@@ -1,13 +1,11 @@
 #![no_std]
 #![no_main]
 
-use core::fmt::Write;
+use apps::{menu::Menu, Application};
 use display_interface_spi::SPIInterface;
 use embedded_graphics::{
     geometry::Point,
     mono_font::MonoTextStyle,
-    pixelcolor::Rgb565,
-    primitives::{Line, PrimitiveStyle},
     text::{Text, TextStyle},
     Drawable,
 };
@@ -16,19 +14,22 @@ use esp_backtrace as _;
 use esp_hal::{
     clock::ClockControl,
     delay::Delay,
-    gpio::{Input, Io, Level, Output, NO_PIN},
+    gpio::{
+        Gpio0, Gpio1, Gpio2, Gpio3, Gpio4, Gpio5, Gpio6, Gpio7, GpioPin, Input, Io, Level, Output,
+        NO_PIN,
+    },
     peripherals::Peripherals,
     prelude::*,
     rng::Trng,
     spi::{master::Spi, SpiMode},
     system::SystemControl,
 };
-use heapless::String;
-use maze::{BinaryMap, BinaryMapVisitor};
 use profont::PROFONT_24_POINT;
 use weact_studio_epd::{graphics::Display290TriColor, TriColor};
 use weact_studio_epd::{graphics::DisplayRotation, WeActStudio290TriColorDriver};
 
+mod apps;
+
 #[entry]
 fn main() -> ! {
     let peripherals = Peripherals::take();
@@ -44,9 +45,9 @@ fn main() -> ! {
 
     log::info!("Intializing SPI Bus...");
 
-    // Pins for Seeedstudio XIAO ESP32-C6
-    let sclk = io.pins.gpio19; // D8 / GPIO19
+    // Pins for WeAct
     let mosi = io.pins.gpio18; // D10 / GPIO18
+    let sclk = io.pins.gpio19; // D8 / GPIO19
     let cs = io.pins.gpio20; // D9 / GPIO20
     let dc = io.pins.gpio21; // D3 / GPIO21
     let rst = io.pins.gpio22; // D4 / GPIO22
@@ -84,7 +85,7 @@ fn main() -> ! {
 
     let style = MonoTextStyle::new(&PROFONT_24_POINT, TriColor::Black);
     let _ = Text::with_text_style(
-        "Hello World!",
+        "Welcome in Reddy",
         Point::new(8, 68),
         style,
         TextStyle::default(),
@@ -93,51 +94,95 @@ fn main() -> ! {
 
     driver.full_update(&display).unwrap();
 
-    log::info!("Sleeping for 5s...");
+    log::info!("Sleeping for 0.5s...");
     driver.sleep().unwrap();
-    delay.delay(5_000.millis());
+    delay.delay(500.millis());
+
+    let kbd = Keyboard {
+        gpio0: io.pins.gpio0,
+        gpio1: io.pins.gpio1,
+        gpio2: io.pins.gpio2,
+        gpio3: io.pins.gpio3,
+        gpio4: io.pins.gpio4,
+        gpio5: io.pins.gpio5,
+        gpio6: io.pins.gpio6,
+        gpio7: io.pins.gpio7,
+    };
+
+    let mut ctx = Context {
+        button_pressed: None,
+    };
+    let mut app = Application::Menu(Menu::new());
 
-    let mut n: u8 = 0;
     loop {
         log::info!("Wake up!");
         driver.wake_up().unwrap();
 
         display.clear(TriColor::White);
 
-        let mut string_buf = String::<30>::new();
-        write!(string_buf, "Hello World {}!", n).unwrap();
-        let _ = Text::with_text_style(&string_buf, Point::new(8, 68), style, TextStyle::default())
-            .draw(&mut display)
-            .unwrap();
-        string_buf.clear();
+        ctx.button_pressed = kbd.pressed();
+        app.update(&ctx, &mut trng);
+        app.draw(&mut display);
 
         // TODO: try fast update?
         driver.full_update(&display).unwrap();
 
-        n = n.wrapping_add(1); // Wrap from 0..255
-
         log::info!("Sleeping for 5s...");
         driver.sleep().unwrap();
         delay.delay(5_000.millis());
     }
 }
 
-struct MazeGame {
-    map: maze::BinaryMap<122, 122, 14884>,
+/// Buttons
+///
+/// +-------------------------------+
+/// | A     | Up     | B     | X    |
+/// | Left  | Circle | Right | Y    |
+/// | C     | Down   | D     | Z    |
+/// | M1    | M2     | M3    | Back |
+/// +-------------------------------+
+#[derive(Debug, Copy, Clone)]
+pub enum Button {
+    // row 1
+    A,
+    Up,
+    B,
+    X,
+    // row 2
+    Left,
+    Circle,
+    Right,
+    Y,
+    // row 3
+    C,
+    Down,
+    D,
+    Z,
+    // row 4
+    M1,
+    M2,
+    M3,
+    Back,
 }
 
-impl MazeGame {
-    pub fn new() -> Self {
-        Self {
-            map: maze::BinaryMap::new(),
-        }
+pub struct Context {
+    button_pressed: Option<Button>,
 }
 
-    pub fn start(&mut self, trng: &mut Trng) {
-        let mut grid = maze::Grid::<60, 60, 3600>::new();
-        maze::RecursiveDivision.generate(&mut grid, trng);
-        BinaryMapVisitor.format(&mut grid, &mut self.map.0);
+struct Keyboard {
+    gpio0: Gpio0, //
+    gpio1: Gpio1, //
+    gpio2: Gpio2, //
+    gpio3: Gpio3, //
+    //
+    gpio4: Gpio4, //
+    gpio5: Gpio5, //
+    gpio6: Gpio6, //
+    gpio7: Gpio7, //
 }
 
-    pub fn draw(&self, dispay: Display290TriColor) {}
+impl Keyboard {
+    pub fn pressed(&self) -> Option<Button> {
+        None
+    }
 }