add multiple momentary layers

src/display.rs

@@ -36,7 +36,7 @@ pub fn init_display(bus: I2c<'static, embassy_rp::peripherals::I2C0, embassy_rp:
 /// Temp function which updates the display with currently pressed keys
 pub fn update_display(
     display: &mut Option<Display>,
-    pressed_keys: &[(usize, usize, crate::keymap::KeyCode)],
+    pressed_keys: &[(usize, usize, crate::keymap::Action)],
 ) -> Option<()> {
     if let Some(display) = display {
         display.clear(BinaryColor::Off).ok()?;
@@ -54,7 +54,7 @@ pub fn update_display(
             let mut y_pos = 0;
             for (row_idx, col_idx, keycode) in pressed_keys.iter().take(3) {
                 let mut msg = heapless::String::<32>::new();
-                write!(&mut msg, "R{}C{}: 0x{:02X}", row_idx, col_idx, keycode.as_u8()).ok();
+                write!(&mut msg, "R{}C{}: 0x{:?}", row_idx, col_idx, keycode).ok();
     
                 Text::with_baseline(&msg, Point::new(0, y_pos), text_style, Baseline::Top)
                     .draw(display)