rework card storage to use nvs

src/views/flash_info_view.rs

@@ -5,7 +5,6 @@ use crate::navigation::navigation::NewState;
 use crate::navigation::outputs::Outputs;
 use crate::peripherals::Peripherals;
 use crate::peripherals::storage::MAGIC_REGION;
-use crate::peripherals::storage::cardstore::COUNT_REGION;
 use crate::views::view::View;
 use alloc::boxed::Box;
 use core::error;
@@ -39,22 +38,6 @@ impl Navigable for FlashInfoView {
                 .clear(Rgb565::BLACK)
                 .map_err(PrimaryDisplayError::from)?;
             let _style = MonoTextStyle::new(&FONT_10X20, Rgb565::WHITE);
-            let mut magic_bytes: [u8; MAGIC_REGION.size] = [0; MAGIC_REGION.size];
-            peripherals
-                .store
-                .lock()
-                .await
-                .flash_store
-                .read(MAGIC_REGION.offset, &mut magic_bytes)
-                .await?;
-            let mut card_count_bytes: [u8; COUNT_REGION.size] = [0; COUNT_REGION.size];
-            peripherals
-                .store
-                .lock()
-                .await
-                .flash_store
-                .read(COUNT_REGION.offset, &mut card_count_bytes)
-                .await?;
 
             let style = MonoTextStyle::new(&FONT_10X20, Rgb565::WHITE);
             let textbox_style = TextBoxStyleBuilder::new()
@@ -65,14 +48,18 @@ impl Navigable for FlashInfoView {
             let display_area = outputs.primary_display.bounding_box();
             let bounds = Rectangle::new(Point::new(0, 30), display_area.size);
 
+            log::debug!("locking store");
+            let store = peripherals.store.lock().await;
+
+            log::debug!("getting card count");
+            let card_count = store.card_store.load_card_count().await?;
+
             TextBox::with_textbox_style(
                 &format!(
                     "
-Flash Init Magic: 0x{:x}\n
 Card Count: {}\n 
 ",
-                    u32::from_le_bytes(magic_bytes),
-                    u32::from_le_bytes(card_count_bytes)
+                    card_count
                 ),
                 bounds,
                 style,