From 6742b019167aa8d28e8f63e158162c78f7fcc3a5 Mon Sep 17 00:00:00 2001
From: Richard Barnes <rlb@ipv.sx>
Date: Mon, 6 Oct 2025 14:19:50 -1000
Subject: [PATCH 1/3] Clean up EEPROM demo code

---
 ui-app/src/lib.rs    | 16 +---------------
 ui-stm32/src/main.rs |  2 --
 2 files changed, 1 insertion(+), 17 deletions(-)

diff --git a/ui-app/src/lib.rs b/ui-app/src/lib.rs
index e6b7677..d4b47c9 100644
--- a/ui-app/src/lib.rs
+++ b/ui-app/src/lib.rs
@@ -1,6 +1,6 @@
 #![no_std]
 
-use bitmap_font::{BitmapFont, TextStyle, tamzen::FONT_10x20};
+use bitmap_font::{tamzen::FONT_10x20, BitmapFont, TextStyle};
 use core::fmt::Write;
 use defmt::Format;
 use embedded_graphics::{
@@ -228,20 +228,6 @@ impl App {
         // Extinguish the status LED
         out.status_led().set_color(Color::Black);
 
-        // Read the EEPROM, XOR with 0xFF, write it, then read it back
-        let mut eeprom_data = [0u8; 256];
-        out.eeprom().read(&mut eeprom_data);
-        let hex: heapless::String<1024> = eeprom_data.encode_hex();
-        defmt::info!("eeprom before {}", hex);
-
-        eeprom_data.iter_mut().for_each(|x| *x ^= 0xff);
-        out.eeprom().write(&eeprom_data);
-
-        eeprom_data.fill(0);
-        out.eeprom().read(&mut eeprom_data);
-        let hex: heapless::String<1024> = eeprom_data.encode_hex();
-        defmt::info!("eeprom after {}", hex);
-
         // Draw a test pattern to the screen
         let rect = out.screen().bounding_box();
 
diff --git a/ui-stm32/src/main.rs b/ui-stm32/src/main.rs
index 314a7c1..d1d485e 100644
--- a/ui-stm32/src/main.rs
+++ b/ui-stm32/src/main.rs
@@ -99,11 +99,9 @@ async fn main(spawner: Spawner) {
     debug!("app start");
     app.start(&mut board);
 
-    /*
     // Main event loop
     loop {
         let event = EVENT_QUEUE.receive().await;
         app.handle(event, &mut board);
     }
-    */
 }

From a55a5865adbb14cc4199eb67f1d0dbb582ad6a6c Mon Sep 17 00:00:00 2001
From: Richard Barnes <rlb@ipv.sx>
Date: Mon, 6 Oct 2025 14:20:54 -1000
Subject: [PATCH 2/3] Remove unused import

---
 ui-app/src/lib.rs | 1 -
 1 file changed, 1 deletion(-)

diff --git a/ui-app/src/lib.rs b/ui-app/src/lib.rs
index d4b47c9..5d43997 100644
--- a/ui-app/src/lib.rs
+++ b/ui-app/src/lib.rs
@@ -12,7 +12,6 @@ use embedded_graphics::{
     text::Text,
 };
 use heapless::String;
-use hex::ToHex;
 
 #[derive(Copy, Clone, Debug, PartialEq, Format)]
 pub enum Key {

From 816ed3b5ee96eaae156a2a80f718b2e7153657ba Mon Sep 17 00:00:00 2001
From: Richard Barnes <rlb@ipv.sx>
Date: Mon, 6 Oct 2025 15:04:40 -1000
Subject: [PATCH 3/3] cargo fmt

---
 ui-app/src/lib.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ui-app/src/lib.rs b/ui-app/src/lib.rs
index 5d43997..3e59216 100644
--- a/ui-app/src/lib.rs
+++ b/ui-app/src/lib.rs
@@ -1,6 +1,6 @@
 #![no_std]
 
-use bitmap_font::{tamzen::FONT_10x20, BitmapFont, TextStyle};
+use bitmap_font::{BitmapFont, TextStyle, tamzen::FONT_10x20};
 use core::fmt::Write;
 use defmt::Format;
 use embedded_graphics::{