add main button press handling

ch32v-insert-coin/src/app.rs

@@ -381,8 +381,15 @@ impl App {
         #[cfg(feature = "enable_print")]
         println!("new brightness: {:?}", self.settings.brightness);
     }
-    pub fn main_button(&mut self) {
+    pub fn main_button_press(&mut self) {
         // TODO
+        #[cfg(feature = "enable_print")]
+        println!("main button press");
+    }
+    pub fn main_button_release(&mut self) {
+        // TODO
+        #[cfg(feature = "enable_print")]
+        println!("main button release");
     }
     pub fn coin_detect(&self) {
         #[cfg(feature = "enable_print")]

ch32v-insert-coin/src/main.rs

@@ -408,6 +408,30 @@ fn app_main(mut p: hal::Peripherals) -> ! {
             }
         }
 
+        // main button handling
+        unsafe {
+            #[allow(static_mut_refs)]
+            if INPUT_FLAGS.main_btn_flag.active() {
+                #[cfg(feature = "enable_print")]
+                println!("button flag active");
+                #[allow(static_mut_refs)]
+                INPUT_FLAGS.main_btn_flag.clear();
+                main_btn_input.begin();
+            }
+        }
+        main_btn_input.service();
+        if main_btn_input.ready() {
+            let value = main_btn_input.value();
+            main_btn_input.reset();
+            // #[cfg(feature = "enable_print")]
+            // println!("main button", value);
+
+            match value {
+                true => app.main_button_release(),
+                false => app.main_button_press(),
+            }
+        }
+
         // systick tick
         if unsafe {
             #[allow(static_mut_refs)]