display views: return error instead of unwrapping

src/views/flash_info_view.rs

@@ -1,21 +1,30 @@
+use crate::drivers::primary_lcd::PrimaryDisplayError;
 use crate::navigation::navigation::Action;
 use crate::navigation::navigation::Navigable;
 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;
-use embedded_graphics::mono_font::MonoTextStyle;
-use embedded_graphics::mono_font::ascii::FONT_10X20;
-use embedded_graphics::pixelcolor::Rgb565;
-use embedded_graphics::prelude::DrawTarget;
-use embedded_graphics::prelude::RgbColor;
-use embedded_graphics::text::Text;
-
 use embedded_graphics::prelude::Point;
+use embedded_graphics::{
+    Drawable,
+    mono_font::{MonoTextStyle, ascii::FONT_10X20},
+    pixelcolor::Rgb565,
+    prelude::*,
+    primitives::Rectangle,
+    text::Text,
+};
 
+use alloc::format;
+use embedded_text::{
+    TextBox,
+    alignment::HorizontalAlignment,
+    style::{HeightMode, TextBoxStyleBuilder},
+};
 #[derive(Debug, Clone)]
 pub struct FlashInfoView {}
 
@@ -35,7 +44,39 @@ impl Navigable for FlashInfoView {
                 .flash_store
                 .read(MAGIC_REGION.offset, &mut magic_bytes)
                 .await?;
-            Text::new("Flash Initialized: {:?}", Point::new(40, 40), style);
+            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()
+                .height_mode(HeightMode::FitToText)
+                .alignment(HorizontalAlignment::Center)
+                .build();
+
+            let display_area = outputs.primary_display.bounding_box();
+            let bounds = Rectangle::new(Point::new(0, 30), display_area.size);
+
+            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)
+                ),
+                bounds,
+                style,
+                textbox_style,
+            )
+            .draw(&mut outputs.primary_display)
+            .map_err(PrimaryDisplayError::from)?;
             Ok(())
         }
     }