Working buttons & menu

Cargo.lock

@@ -160,7 +160,7 @@ version = "4.5.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "501d359d5f3dcaf6ecdeee48833ae73ec6e42723a1e52419c79abf9507eec0a0"
 dependencies = [
- "heck 0.5.0",
+ "heck",
  "proc-macro2",
  "quote",
  "syn 2.0.77",
@@ -359,7 +359,7 @@ version = "0.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a1e6a265c649f3f5979b601d26f1d05ada116434c87741c9493cb56218f76cbc"
 dependencies = [
- "heck 0.5.0",
+ "heck",
  "proc-macro2",
  "quote",
  "syn 2.0.77",
@@ -393,6 +393,7 @@ dependencies = [
  "bit_field",
  "embedded-graphics-core",
  "embedded-hal 1.0.0",
+ "log",
 ]
 
 [[package]]
@@ -585,12 +586,6 @@ dependencies = [
  "stable_deref_trait",
 ]
 
-[[package]]
-name = "heck"
-version = "0.4.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "95505c38b4572b2d910cecb0281560f54b440a19336cbbcb27bf6ce6adc6f5a8"
-
 [[package]]
 name = "heck"
 version = "0.5.0"
@@ -670,19 +665,6 @@ version = "0.4.22"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a7a70ba024b9dc04c27ea2f0c0548feb474ec5c54bba33a7f72f873a39d07b24"
 
-[[package]]
-name = "maybe-async-cfg"
-version = "0.2.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a1e083394889336bc66a4eaf1011ffbfa74893e910f902a9f271fa624c61e1b2"
-dependencies = [
- "proc-macro-error",
- "proc-macro2",
- "pulldown-cmark",
- "quote",
- "syn 1.0.109",
-]
-
 [[package]]
 name = "maze"
 version = "0.1.0"
@@ -851,17 +833,6 @@ dependencies = [
  "embedded-graphics",
 ]
 
-[[package]]
-name = "pulldown-cmark"
-version = "0.11.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "679341d22c78c6c649893cbd6c3278dcbe9fc4faa62fea3a9296ae2b50c14625"
-dependencies = [
- "bitflags",
- "memchr",
- "unicase",
-]
-
 [[package]]
 name = "quote"
 version = "1.0.37"
@@ -913,7 +884,6 @@ dependencies = [
  "rand",
  "shared",
  "strum",
- "weact-studio-epd",
 ]
 
 [[package]]
@@ -952,18 +922,6 @@ dependencies = [
  "twox-hash",
 ]
 
-[[package]]
-name = "sealed"
-version = "0.5.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f4a8caec23b7800fb97971a1c6ae365b6239aaeddfb934d6265f8505e795699d"
-dependencies = [
- "heck 0.4.1",
- "proc-macro2",
- "quote",
- "syn 2.0.77",
-]
-
 [[package]]
 name = "serde"
 version = "1.0.210"
@@ -1034,7 +992,7 @@ version = "0.26.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4c6bee85a5a24955dc440386795aa378cd9cf82acd5f764469152d2270e581be"
 dependencies = [
- "heck 0.5.0",
+ "heck",
  "proc-macro2",
  "quote",
  "rustversion",
@@ -1116,15 +1074,6 @@ dependencies = [
  "static_assertions",
 ]
 
-[[package]]
-name = "unicase"
-version = "2.7.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f7d2d4dafb69621809a81864c9c1b864479e1235c0dd4e199924b9742439ed89"
-dependencies = [
- "version_check",
-]
-
 [[package]]
 name = "unicode-ident"
 version = "1.0.13"
@@ -1167,20 +1116,6 @@ version = "1.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6a02e4885ed3bc0f2de90ea6dd45ebcbb66dacffe03547fadbb0eeae2770887d"
 
-[[package]]
-name = "weact-studio-epd"
-version = "0.1.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3e531b21e70dfc6294be2429e4f616f634c8ca1a328325dceefc4f92c12d6e9b"
-dependencies = [
- "display-interface",
- "embedded-graphics",
- "embedded-hal 1.0.0",
- "embedded-hal-async",
- "maybe-async-cfg",
- "sealed",
-]
-
 [[package]]
 name = "winapi-util"
 version = "0.1.9"

Cargo.toml

@@ -8,14 +8,13 @@ display-interface-spi = "0.5.0"
 embedded-graphics = "0.8.1"
 embedded-hal-bus = "0.2.0"
 esp-backtrace = { version = "0.13.0", features = ["esp32c6", "exception-handler", "panic-handler", "println"] }
-esp-hal = { version = "0.20", features = ["esp32c6", "embedded-hal"] }
+esp-hal = { version = "0.20.1", features = ["esp32c6", "embedded-hal"] }
 esp-println = { version = "0.10.0", default-features = false, features = ["esp32c6", "log", "auto"] }
 heapless = "0.8.0"
 log = { version = "0.4.21" }
 nutype = { version = "0.5.0", default-features = false }
 profont = "0.7.0"
 rand = { version = "0.8.5", default-features = false, features = ["small_rng"] }
-weact-studio-epd = { version = "0.1.2", features = ["blocking"] }
 
 shared = { path = "./shared", features = ['trng'] }
 maze = { path = "./maze" }

epd-waveshare/Cargo.toml

@@ -19,6 +19,7 @@ edition = "2021"
 embedded-graphics-core = { version = "0.4", optional = true }
 embedded-hal = "1.0.0"
 bit_field = "0.10.1"
+log = { version = "0.4.21" }
 
 [dev-dependencies]
 embedded-graphics = "0.8"

epd-waveshare/src/epd3in7/mod.rs

@@ -60,32 +60,51 @@ where
     DELAY: DelayNs,
 {
     fn init(&mut self, spi: &mut SPI, delay: &mut DELAY) -> Result<(), SPI::Error> {
+        log::info!("self.interface.reset(delay, 30, 10)");
         // reset the device
         self.interface.reset(delay, 30, 10);
 
+        log::info!("self.interface.cmd(spi, Command::SwReset)?");
         self.interface.cmd(spi, Command::SwReset)?;
+        log::info!("delay.delay_us(300000u32)");
         delay.delay_us(300000u32);
 
+        log::info!(".cmd_with_data(spi, Command::AutoWriteRedRamRegularPattern, &[0xF7])?");
         self.interface
             .cmd_with_data(spi, Command::AutoWriteRedRamRegularPattern, &[0xF7])?;
-        self.interface.wait_until_idle(delay, IS_BUSY_LOW);
+        log::info!("1 .wait_until_idle(delay, IS_BUSY_LOW)");
+        if let Err(e) = self.interface.wait_until_idle(delay, IS_BUSY_LOW) {
+            log::error!("{e}");
+            panic!("{e}");
+        };
+        log::info!(".cmd_with_data(spi, Command::AutoWriteBwRamRegularPattern, &[0xF7])?");
         self.interface
             .cmd_with_data(spi, Command::AutoWriteBwRamRegularPattern, &[0xF7])?;
-        self.interface.wait_until_idle(delay, IS_BUSY_LOW);
+        log::info!("2 .wait_until_idle(delay, IS_BUSY_LOW)");
+        if let Err(e) = self.interface.wait_until_idle(delay, IS_BUSY_LOW) {
+            log::error!("{e}");
+            panic!("{e}");
+        }
 
+        log::info!(".cmd_with_data(spi, Command::GateSetting, &[0xDF, 0x01, 0x00])?");
         self.interface
             .cmd_with_data(spi, Command::GateSetting, &[0xDF, 0x01, 0x00])?;
+        log::info!(".cmd_with_data(spi, Command::GateVoltage, &[0x00])?");
         self.interface
             .cmd_with_data(spi, Command::GateVoltage, &[0x00])?;
+        log::info!(".cmd_with_data(spi, Command::GateVoltageSource, &[0x41, 0xA8, 0x32])?");
         self.interface
             .cmd_with_data(spi, Command::GateVoltageSource, &[0x41, 0xA8, 0x32])?;
 
+        log::info!(".cmd_with_data(spi, Command::DataEntrySequence, &[0x03])?");
         self.interface
             .cmd_with_data(spi, Command::DataEntrySequence, &[0x03])?;
 
+        log::info!(".cmd_with_data(spi, Command::BorderWaveformControl, &[0x03])?");
         self.interface
             .cmd_with_data(spi, Command::BorderWaveformControl, &[0x03])?;
 
+        log::info!(".cmd_with_data( spi, Command::BoosterSoftStartControl, &[0xAE, 0xC7, 0xC3, 0xC0, 0xC0],)?");
         self.interface.cmd_with_data(
             spi,
             Command::BoosterSoftStartControl,
@@ -142,11 +161,13 @@ where
         delay: &mut DELAY,
         delay_us: Option<u32>,
     ) -> Result<Self, SPI::Error> {
+        log::info!("DisplayInterface::new(busy, dc, rst, delay_us)");
         let mut epd = EPD3in7 {
             interface: DisplayInterface::new(busy, dc, rst, delay_us),
             background_color: DEFAULT_BACKGROUND_COLOR,
         };
 
+        log::info!("init");
         epd.init(spi, delay)?;
         Ok(epd)
     }

epd-waveshare/src/interface.rs

@@ -35,7 +35,9 @@ where
     /// If no delay is given, a default delay of 10ms is used.
     pub fn new(busy: BUSY, dc: DC, rst: RST, delay_us: Option<u32>) -> Self {
         // default delay of 10ms
+        log::info!("delay_us.unwrap_or(10_000)");
         let delay_us = delay_us.unwrap_or(10_000);
+        log::info!("delay_us.unwrap_or(10_000) done");
         DisplayInterface {
             _spi: PhantomData,
             _delay: PhantomData,
@@ -134,8 +136,20 @@ where
     ///  - FALSE for epd2in9, epd1in54 (for all Display Type A ones?)
     ///
     /// Most likely there was a mistake with the 2in9 busy connection
-    pub(crate) fn wait_until_idle(&mut self, delay: &mut DELAY, is_busy_low: bool) {
+    pub(crate) fn wait_until_idle(
+        &mut self,
+        delay: &mut DELAY,
+        is_busy_low: bool,
+    ) -> Result<(), &'static str> {
+        let mut times = 0;
         while self.is_busy(is_busy_low) {
+            times += 1;
+            if times % 10 == 0 {
+                log::warn!("wait_until_idle {times}");
+            }
+            if times == 1_000 {
+                return Err("Failed to wait 1 000 times despite idle");
+            }
             // This has been removed and added many time :
             // - it is faster to not have it
             // - it is complicated to pass the delay everywhere all the time
@@ -146,6 +160,7 @@ where
                 delay.delay_us(self.delay_us);
             }
         }
+        Ok(())
     }
 
     /// Same as `wait_until_idle` for device needing a command to probe Busy pin

src/apps/maze_game.rs

@@ -1,3 +1,4 @@
+use epd_waveshare::{color::Color, prelude::WaveshareDisplay};
 use maze::{BinaryMapVisitor, Direction};
 
 use crate::Button;
@@ -6,18 +7,24 @@ use super::*;
 
 pub struct MazeGame {
     map: maze::BinaryMap<122, 122, 14884>,
-    player: (u16, u16),
+    player: Point,
 }
 
 impl MazeGame {
     pub fn new() -> Self {
         Self {
             map: maze::BinaryMap::new(),
-            player: (0, 1),
+            player: Point { x: 0, y: 1 },
         }
     }
 }
 
+impl MazeGame {
+    fn player_pos(&self) -> (u16, u16) {
+        (self.player.x as u16, self.player.y as u16)
+    }
+}
+
 impl App for MazeGame {
     fn start(&mut self, trng: &mut Trng) {
         let mut grid = maze::Grid::<60, 60, 3600>::new();
@@ -25,17 +32,46 @@ impl App for MazeGame {
         BinaryMapVisitor.format(&mut grid, &mut self.map.0);
     }
 
-    fn draw(&self, ctx: &mut Context) {
+    fn update_and_draw(&mut self, ctx: &mut Context) -> Option<Action> {
-        /*
+        let Some(button) = ctx.button_pressed else {
+            return None;
+        };
+        let player_old = self.player.clone();
+
+        Some(match button {
+            Button::Up if self.map.can_move(self.player_pos(), Direction::North) => {
+                self.player.y -= 1;
+            }
+            Button::Down if self.map.can_move(self.player_pos(), Direction::South) => {
+                self.player.y += 1;
+            }
+            Button::Left if self.map.can_move(self.player_pos(), Direction::West) => {
+                self.player.x -= 1;
+            }
+            Button::Right if self.map.can_move(self.player_pos(), Direction::East) => {
+                self.player.x += 1;
+            }
+            Button::Back => {}
+            _ => {}
+        });
+        ctx.epaper.partial_update(
+            player_old,
+            Size {
+                width: 0,
+                height: 0,
+            },
+            &[Color::White as u8],
+        );
+
         let wall_style = PrimitiveStyleBuilder::new()
-            .stroke_color(TriColor::Black)
+            .stroke_color(Color::Black)
             .stroke_width(3)
-            .fill_color(TriColor::Black)
+            .fill_color(Color::Black)
             .build();
         let player_style = PrimitiveStyleBuilder::new()
-            .stroke_color(TriColor::Red)
+            .stroke_color(Color::Black)
-            .stroke_width(3)
+            .stroke_width(1)
-            .fill_color(TriColor::Red)
+            .fill_color(Color::Black)
             .build();
 
         const X_OFFSET: i32 = 2;
@@ -49,43 +85,27 @@ impl App for MazeGame {
                             Point::new(x as i32 + X_OFFSET, y as i32 + Y_OFFSET),
                             Size::new(1, 1),
                         );
-                        p.draw_styled(&wall_style, display).unwrap();
+                        p.draw_styled(&wall_style, &mut ctx.epaper.display).unwrap();
                     }
                     _ => {}
                 }
             }
             let p = Rectangle::new(
                 Point::new(
-                    self.player.0 as i32 + X_OFFSET,
+                    self.player.x as i32 + X_OFFSET,
-                    self.player.1 as i32 + Y_OFFSET,
+                    self.player.y as i32 + Y_OFFSET,
                 ),
                 Size::new(1, 1),
             );
-            p.draw_styled(&player_style, ctx.display).unwrap();
+            p.draw_styled(&player_style, &mut ctx.epaper.display)
+                .unwrap();
         }
-        */
+        None
     }
 
-    fn update(&mut self, ctx: &mut Context) -> Option<Action> {
+    fn draw(&self, _ctx: &mut Context) {}
-        let Some(button) = ctx.button_pressed else {
+
-            return None;
+    fn update(&mut self, _ctx: &mut Context) -> Option<Action> {
-        };
-        Some(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 => {}
-            _ => {}
-        });
         None
     }
 }

src/apps/menu.rs

@@ -1,6 +1,7 @@
 use crate::Button;
 
 use super::*;
+use epd_waveshare::color::Color;
 use profont::PROFONT_18_POINT;
 use strum::IntoEnumIterator;
 
@@ -70,9 +71,8 @@ impl App for Menu {
     }
 
     fn draw(&self, ctx: &mut Context) {
-        /*
+        let style = MonoTextStyle::new(&PROFONT_18_POINT, Color::Black);
-        let style = MonoTextStyle::new(&PROFONT_18_POINT, TriColor::Black);
+        let selected_style = MonoTextStyle::new(&PROFONT_18_POINT, Color::Black);
-        let selected_style = MonoTextStyle::new(&PROFONT_18_POINT, TriColor::Red);
 
         MenuEntry::iter().for_each(|entry| {
             if entry == self.selected {
@@ -82,7 +82,7 @@ impl App for Menu {
                     selected_style,
                     TextStyle::default(),
                 )
-                .draw(display)
+                .draw(&mut ctx.epaper.display)
                 .unwrap();
             };
 
@@ -96,9 +96,8 @@ impl App for Menu {
                 },
                 TextStyle::default(),
             )
-            .draw(display)
+            .draw(&mut ctx.epaper.display)
             .unwrap();
         });
-        */
     }
 }

src/apps/mod.rs

@@ -6,9 +6,9 @@ use embedded_graphics::{
     Drawable,
 };
 use esp_hal::rng::Trng;
+use esp_println::println;
 use maze_game::MazeGame;
 use menu::Menu;
-use weact_studio_epd::{graphics::Display290TriColor, TriColor};
 
 use crate::Context;
 
@@ -16,6 +16,7 @@ pub mod guess_game;
 pub mod maze_game;
 pub mod menu;
 
+#[derive(Debug, Clone, Copy)]
 pub enum Action {
     GoToMenu,
     StartMaze,
@@ -27,6 +28,12 @@ pub enum Application {
     Maze(maze_game::MazeGame),
 }
 
+impl Default for Application {
+    fn default() -> Self {
+        Self::Menu(Menu::new())
+    }
+}
+
 impl Application {
     pub fn update(&mut self, ctx: &mut Context, trng: &mut Trng) {
         let Some(action) = (match self {
@@ -51,23 +58,52 @@ impl Application {
     }
 
     pub fn draw(&self, ctx: &mut Context) {
+        ctx.epaper.full_erase();
         match self {
             Self::Menu(menu) => menu.draw(ctx),
             Self::Maze(maze) => maze.draw(ctx),
-        }
+        };
+        ctx.epaper.full_update();
+    }
+
+    pub fn update_and_draw(&mut self, ctx: &mut Context, trng: &mut Trng) {
+        let Some(action) = (match self {
+            Self::Menu(menu) => menu.update_and_draw(ctx),
+            Self::Maze(maze) => maze.update_and_draw(ctx),
+        }) else {
+            println!("No action");
+            return;
+        };
+        println!("Action: {action:?}");
+        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::StartPairs => {}
+        };
+        self.draw(ctx);
     }
 }
 
 pub trait App {
     fn start(&mut self, trng: &mut Trng);
 
-    fn draw(&self, display: &mut Context);
+    fn draw(&self, ctx: &mut Context);
 
     fn update(&mut self, ctx: &mut Context) -> Option<Action>;
 
-    fn draw_and_update(&mut self, ctx: &mut Context) -> Option<Action> {
+    fn update_and_draw(&mut self, ctx: &mut Context) -> Option<Action> {
         let action = self.update(ctx);
-        self.draw(ctx);
+        if action.is_none() {
+            self.draw(ctx);
+        }
         action
     }
 }

src/main.rs

@@ -1,16 +1,19 @@
 #![no_std]
 #![no_main]
 
+mod epaper;
+
 use apps::{menu::Menu, Application};
-use display_interface_spi::SPIInterface;
 use embedded_graphics::{
-    geometry::Point,
+    geometry::{Point, Size},
-    mono_font::{MonoTextStyle, MonoTextStyleBuilder},
+    mono_font::MonoTextStyleBuilder,
-    text::{Baseline, Text, TextStyle, TextStyleBuilder},
+    primitives::{Primitive, PrimitiveStyleBuilder, Rectangle, StyledDrawable},
+    text::{Baseline, Text, TextStyleBuilder},
     Drawable,
 };
 use embedded_hal::delay::DelayNs;
 use embedded_hal_bus::spi::ExclusiveDevice;
+use epaper::Epaper;
 use epd_waveshare::epd3in7::*;
 use epd_waveshare::prelude::*;
 use esp_backtrace as _;
@@ -18,8 +21,8 @@ use esp_hal::{
     clock::ClockControl,
     delay::Delay,
     gpio::{
-        Gpio10, Gpio2, Gpio20, Gpio21, Gpio22, Gpio23, Gpio3, Gpio4, Gpio5, Gpio6, Gpio7, Gpio8,
+        Gpio0, Gpio1, Gpio10, Gpio11, Gpio2, Gpio20, Gpio21, Gpio22, Gpio23, Gpio3, Gpio4, Gpio5,
-        Input, Io, Level, Output, OutputOpenDrain, Pull, NO_PIN,
+        Gpio6, Gpio7, Gpio8, Input, Io, Level, Output, OutputOpenDrain, Pull, NO_PIN,
     },
     peripherals::Peripherals,
     prelude::*,
@@ -46,7 +49,7 @@ fn main() -> ! {
     let system = SystemControl::new(peripherals.SYSTEM);
     let io = Io::new(peripherals.GPIO, peripherals.IO_MUX);
     let clocks = ClockControl::max(system.clock_control).freeze();
-    let mut delay = Delay::new(&clocks);
+    let delay = Delay::new(&clocks);
 
     esp_println::logger::init_logger(LevelFilter::Trace);
     // esp_println::logger::init_logger_from_env();
@@ -57,7 +60,7 @@ fn main() -> ! {
     // Configure SPI
     // Settings are taken from
 
-    // Pins for WeAct
+    // Pins for e-paper
     let mosi /* sda */ = io.pins.gpio18; // D10 / GPIO18
     let sclk = io.pins.gpio19; // D8 / GPIO19
     let cs = io.pins.gpio20; // D9 / GPIO20
@@ -65,104 +68,45 @@ fn main() -> ! {
     let rst = io.pins.gpio22; // D4 / GPIO22
     let busy = io.pins.gpio23; // D5 / GPIO23
 
-    let spi_bus: SpiBus = Spi::new(peripherals.SPI2, 4_000.kHz(), SpiMode::Mode0, &clocks)
+    let mut epaper = epaper::Epaper::new(mosi, sclk, cs, dc, rst, busy, peripherals.SPI2, &clocks);
-        .with_pins(
-            Some(sclk),
-            Some(mosi),
-            NO_PIN,
-            NO_PIN, // cs is handled by the exclusive device
-        );
 
-    // Convert pins into InputPins and OutputPins
+    epaper.full_erase();
-    /*
+    epaper.print_welcome();
-        CS: OutputPin,
-        BUSY: InputPin,
-        DC: OutputPin,
-        RST: OutputPin,
-    */
-
-    let cs: CS = Output::new(cs, Level::High);
-    let busy: BUS = Input::new(busy, esp_hal::gpio::Pull::Up);
-    let dc: DC = Output::new(dc, Level::Low);
-    let rst = Output::new(rst, Level::High);
-
-    log::info!("Intializing SPI Device...");
-    let mut spi: SPI =
-        ExclusiveDevice::new(spi_bus, cs, delay).expect("SPI device initialize error");
-    // let spi_interface = SPIInterface::new(spi_device, dc);
-    let mut driver =
-        EPD3in7::new(&mut spi, busy, dc, rst, &mut delay, None).expect("eink initalize error");
-
-    let mut display = Display3in7::default();
-    display.set_rotation(DisplayRotation::Rotate90);
-
-    // draw white on black background
-    let style = MonoTextStyleBuilder::new()
-        .font(&embedded_graphics::mono_font::ascii::FONT_6X10)
-        .text_color(Color::White)
-        .background_color(Color::Black)
-        .build();
-    let text_style = TextStyleBuilder::new().baseline(Baseline::Top).build();
-    let _ =
-        Text::with_text_style("Witamy!", Point::new(90, 10), style, text_style).draw(&mut display);
-    driver
-        .update_and_display_frame(&mut spi, display.buffer(), &mut delay)
-        .expect("display frame new graphics");
-    delay.delay_ms(500);
-
-    // epd2in13
-    //     .set_refresh(&mut spi, &mut delay, RefreshLut::Quick)
-    //     .unwrap();
-    driver.clear_frame(&mut spi, &mut delay).unwrap();
 
     let mut kbd = Keypad {
-        i1: Input::new(io.pins.gpio2, Pull::Up),
+        i1: Input::new(io.pins.gpio4, Pull::Up),
-        i2: Input::new(io.pins.gpio3, Pull::Up),
+        i2: Input::new(io.pins.gpio5, Pull::Up),
-        i3: Input::new(io.pins.gpio4, Pull::Up),
+        i3: Input::new(io.pins.gpio6, Pull::Up),
-        i4: Input::new(io.pins.gpio5, Pull::Up),
+        i4: Input::new(io.pins.gpio7, Pull::Up),
         //---------------------------
-        o1: OutputOpenDrain::new(io.pins.gpio6, Level::Low, Pull::Up),
+        o1: OutputOpenDrain::new(io.pins.gpio0, Level::Low, Pull::Up),
-        o2: OutputOpenDrain::new(io.pins.gpio7, Level::Low, Pull::Up),
+        o2: OutputOpenDrain::new(io.pins.gpio1, Level::Low, Pull::Up),
         o3: OutputOpenDrain::new(io.pins.gpio8, Level::Low, Pull::Up),
         o4: OutputOpenDrain::new(io.pins.gpio10, Level::Low, Pull::Up),
     };
 
     let mut ctx = Context {
         button_pressed: None,
-        driver,
+        epaper,
-        display,
-        spi,
         delay,
     };
-    let mut app = Application::Menu(Menu::new());
+    let mut app = Application::default();
     let mut trng = Trng::new(peripherals.RNG, peripherals.ADC1);
 
-    //app.draw(&mut display);
+    app.draw(&mut ctx);
-    //driver.full_update(&display).unwrap();
+    app.update_and_draw(&mut ctx, &mut trng);
-    //driver.sleep().unwrap();
+
-    ctx.driver.clear_frame(&mut ctx.spi, &mut delay).unwrap();
+    // ctx.epaper.sleep();
-    ctx.driver
-        .update_and_display_frame(&mut ctx.spi, ctx.display.buffer(), &mut delay)
-        .expect("display frame new graphics");
-    let _ = ctx.driver.sleep(&mut ctx.spi, &mut delay);
 
     loop {
         ctx.button_pressed = kbd.pressed();
         if !ctx.button_pressed.is_none() {
             log::info!("Wake up!");
-            ctx.driver.wake_up(&mut ctx.spi, &mut delay).unwrap();
+            // ctx.epaper.wake_up();
-            //display.clear(TriColor::White);
+            app.update_and_draw(&mut ctx, &mut trng);
-            //app.update(&ctx, &mut trng);
-            // app.draw(&mut display);
-            //driver.full_update(&display).unwrap();
-            ctx.driver.clear_frame(&mut ctx.spi, &mut delay).unwrap();
-            ctx.driver
-                .update_and_display_frame(&mut ctx.spi, ctx.display.buffer(), &mut delay)
-                .expect("display frame new graphics");
-            let _ = ctx.driver.sleep(&mut ctx.spi, &mut delay);
         }
 
-        log::info!("Sleeping for 100ms...");
+        // log::info!("Sleeping for 100ms...");
         //driver.sleep().unwrap();
         delay.delay(300.millis());
     }
@@ -200,42 +144,79 @@ pub enum Button {
     Back,
 }
 
+impl Button {
+    pub fn from_idx(idx: usize) -> Option<Button> {
+        Some(match idx {
+            0 => Button::A,
+            1 => Button::Up,
+            2 => Button::B,
+            3 => Button::X,
+            //
+            4 => Button::Left,
+            5 => Button::Circle,
+            6 => Button::Right,
+            7 => Button::Y,
+            //
+            8 => Button::C,
+            9 => Button::Down,
+            10 => Button::D,
+            11 => Button::Z,
+            //
+            12 => Button::A,
+            13 => Button::A,
+            14 => Button::A,
+            15 => Button::A,
+            _ => return None,
+        })
+    }
+}
+
 pub struct Context<'d> {
     pub button_pressed: Option<Button>,
-    pub display: Display3in7,
+    pub epaper: Epaper<'d>,
-    pub driver: Driver<'d>,
-    pub spi: SPI<'d>,
     pub delay: Delay,
 }
 struct Keypad<'d> {
-    o1: OutputOpenDrain<'d, Gpio6>,  //
+    // COLS
-    o2: OutputOpenDrain<'d, Gpio7>,  //
+    o1: OutputOpenDrain<'d, Gpio0>,  //
+    o2: OutputOpenDrain<'d, Gpio1>,  //
     o3: OutputOpenDrain<'d, Gpio8>,  //
     o4: OutputOpenDrain<'d, Gpio10>, //
     // --------------------------------------
-    i1: Input<'d, Gpio2>, //
+    // ROWS
-    i2: Input<'d, Gpio3>, //
+    i1: Input<'d, Gpio4>, //
-    i3: Input<'d, Gpio4>, //
+    i2: Input<'d, Gpio5>, //
-    i4: Input<'d, Gpio5>, //
+    i3: Input<'d, Gpio6>, //
+    i4: Input<'d, Gpio7>, //
 }
 impl<'d> Keypad<'d> {
     pub fn pressed(&mut self) -> Option<Button> {
         let res: [[bool; 4]; 4] = core::array::from_fn(|x| {
             core::array::from_fn(|y| {
-                self.set_high(x as u8);
-                let v = self.is_low(y as u8);
                 self.set_low(x as u8);
+                let v = self.is_low(y as u8);
+                self.set_high(x as u8);
                 v
             })
         });
 
-        if res.iter().any(|a| a.iter().any(|b| !b)) {
+        if res.iter().any(|a| a.iter().any(|b| *b)) {
             println!("***************************************");
             for a in res {
                 println!("col {a:?}");
             }
         }
-        None
+        let c = res
+            .into_iter()
+            .map(|v| v.into_iter())
+            .flatten()
+            .enumerate()
+            .find(|(_idx, b)| *b)
+            .and_then(|(idx, _)| Button::from_idx(idx));
+
+        println!("Button: {c:?}");
+
+        c
     }
 
     fn set_high(&mut self, o: u8) {