add coin button handling and move coin dac inside app

ch32v-insert-coin/src/app.rs

@@ -96,7 +96,7 @@ pub mod sequencer {
 }
 
 use crate::insert_coin::{
-    LedService, Service, SimplePwmCore, TickService, TickServiceData, TickTimerService,
+    DacService, LedService, Service, SimplePwmCore, TickService, TickServiceData, TickTimerService,
 };
 use crate::synthesizer::SynthesizerService;
 
@@ -193,11 +193,13 @@ pub struct Services {
     pub led1: LedService,
     pub led2: LedService,
     pub synth0: SynthesizerService,
+    pub sample_player: DacService<'static>,
 }
 
 impl Services {
     pub fn tick(&mut self) {
         self.synth0.tick();
+        self.sample_player.tick();
     }
 }
 
@@ -352,9 +354,17 @@ impl App {
 
         if self.services.synth0.need_service() {
             let out = self.services.synth0.service() / self.settings.volume.as_volume_divisor();
+            // self.interfaces
+            //     .pwm_core
+            //     .write_amplitude(ch32_hal::timer::Channel::Ch4, out);
+        }
+
+        if self.services.sample_player.need_service() {
+            self.services.sample_player.service();
+            let out = self.services.sample_player.get_amplitude();
             self.interfaces
                 .pwm_core
-                .write_amplitude(ch32_hal::timer::Channel::Ch4, out);
+                .write_amplitude(ch32_hal::timer::Channel::Ch4, out as u8);
         }
     }
 }
@@ -374,8 +384,10 @@ impl App {
     pub fn main_button(&mut self) {
         // TODO
     }
-    pub fn coin_detect(&mut self) {
-        // TODO
+    pub fn coin_detect(&self) {
+        #[cfg(feature = "enable_print")]
+        println!("coin detect");
+        self.services.sample_player.play_sample();
     }
 }
 
@@ -390,8 +402,6 @@ impl App {
 // INTERFACE:
 // 1. short press handling
 // 2. long press handling
-// 3. volume press handling
-// 4. brightness press handling
 //
 // SYSTEM:
 // 1. deep sleep
@@ -401,3 +411,4 @@ impl App {
 // STRETCH TODO LIST
 // 1. clean up edge detector
 // 2. better handling for pwm scaling (brightness / volume)
+// 3. better interrupt handling structs