Fix render

src/apps/maze_game.rs

@@ -105,23 +105,25 @@ impl App for MazeGame {
             Button::Up if self.map.can_move(self.player_pos(), Direction::North) => {
                 self.player.y -= 1;
                 self.old_player = Some(player_old);
+                Some(Action::PartialRender)
             }
             Button::Down if self.map.can_move(self.player_pos(), Direction::South) => {
                 self.player.y += 1;
                 self.old_player = Some(player_old);
+                Some(Action::PartialRender)
             }
             Button::Left if self.map.can_move(self.player_pos(), Direction::West) => {
                 self.player.x -= 1;
                 self.old_player = Some(player_old);
+                Some(Action::PartialRender)
             }
             Button::Right if self.map.can_move(self.player_pos(), Direction::East) => {
                 self.player.x += 1;
                 self.old_player = Some(player_old);
+                Some(Action::PartialRender)
             }
             Button::Back => return Some(Action::GoToMenu),
-            _ => {}
+            _ => None,
         }
-
-        None
     }
 }

src/apps/menu.rs

@@ -52,13 +52,13 @@ impl App for Menu {
                 MenuEntry::Labirynth => return None,
                 MenuEntry::Pairs => {
                     self.selected = MenuEntry::Labirynth;
-                    None
+                    Some(Action::Render)
                 }
             },
             Button::Down => match self.selected {
                 MenuEntry::Labirynth => {
                     self.selected = MenuEntry::Pairs;
-                    None
+                    Some(Action::Render)
                 }
                 MenuEntry::Pairs => None,
             },

src/apps/mod.rs

@@ -21,6 +21,8 @@ pub enum Action {
     GoToMenu,
     StartMaze,
     StartPairs,
+    Render,
+    PartialRender,
 }
 
 pub enum Application {
@@ -35,8 +37,10 @@ impl Default for Application {
 }
 
 impl Application {
-    pub fn draw(&self, ctx: &mut Context) {
+    pub fn draw(&self, ctx: &mut Context, full: bool) {
-        ctx.epaper.full_erase();
+        if full {
+            ctx.epaper.full_erase();
+        }
         match self {
             Self::Menu(menu) => menu.draw(ctx),
             Self::Maze(maze) => maze.draw(ctx),
@@ -58,17 +62,22 @@ impl Application {
                 let mut maze = MazeGame::new();
                 maze.start(trng);
                 *self = Application::Maze(maze);
-                self.draw(ctx);
+                self.draw(ctx, true);
             }
             Action::GoToMenu => {
                 let mut menu = Menu::new();
                 menu.start(trng);
                 *self = Application::Menu(menu);
-                self.draw(ctx);
+                self.draw(ctx, true);
             }
             Action::StartPairs => {}
+            Action::Render => {
+                self.draw(ctx, true);
+            }
+            Action::PartialRender => {
+                self.draw(ctx, false);
+            }
         };
-        self.draw(ctx);
     }
 }
 

src/main.rs

@@ -93,7 +93,7 @@ fn main() -> ! {
     let mut app = Application::default();
     let mut trng = Trng::new(peripherals.RNG, peripherals.ADC1);
 
-    app.draw(&mut ctx);
+    app.draw(&mut ctx, true);
     app.update_and_draw(&mut ctx, &mut trng);
 
     // ctx.epaper.sleep();
@@ -102,13 +102,10 @@ fn main() -> ! {
         ctx.button_pressed = kbd.pressed();
         if !ctx.button_pressed.is_none() {
             log::info!("Wake up!");
-            // ctx.epaper.wake_up();
             app.update_and_draw(&mut ctx, &mut trng);
         }
 
-        // log::info!("Sleeping for 100ms...");
+        delay.delay(100.millis());
-        //driver.sleep().unwrap();
-        delay.delay(300.millis());
     }
 }