From 73e4b482a63997aac1922f861cf64232f9bb5307 Mon Sep 17 00:00:00 2001
From: sigil-03 <sigil@glyphs.tech>
Date: Sun, 26 Oct 2025 13:31:18 -0600
Subject: [PATCH] add settings struct

---
 ch32v-insert-coin/src/main.rs | 36 +++++++++++++++++++++++++++++++++++
 1 file changed, 36 insertions(+)

diff --git a/ch32v-insert-coin/src/main.rs b/ch32v-insert-coin/src/main.rs
index 19c3869..c1b4631 100644
--- a/ch32v-insert-coin/src/main.rs
+++ b/ch32v-insert-coin/src/main.rs
@@ -24,6 +24,42 @@ use hal::println;
 
 use qingke::riscv;
 
+enum Level {
+    Off,
+    Low,
+    Medium,
+    High,
+    Maximum,
+}
+
+impl Level {
+    pub fn next(&mut self) {
+        *self = match self {
+            Self::Off => Self::Low,
+            Self::Low => Self::Medium,
+            Self::Medium => Self::High,
+            Self::High => Self::Maximum,
+            Self::Maximum => Self::Off,
+        };
+    }
+}
+
+struct Settings {
+    brightness: Level,
+    volume: Level,
+    button_sound_index: u8,
+}
+
+impl Default for Settings {
+    fn default() -> Self {
+        Self {
+            brightness: Level::Medium,
+            volume: Level::Medium,
+            button_sound_index: 0,
+        }
+    }
+}
+
 struct DebouncedGPIO<'a> {
     input: Input<'a>,
     // value of the GPIO