minor fixes to sequence support

ch32v-insert-coin/src/app.rs

@@ -124,7 +124,7 @@ pub mod sequencer {
                 ticks_remaining: 0,
                 num_loops: 1,
                 loop_count: 0,
-                enabled: true,
+                enabled: false,
             }
         }
 
@@ -132,6 +132,9 @@ pub mod sequencer {
             self.sequence = sequence;
             self.num_loops = num_loops;
             self.loop_count = 0;
+            self.enabled = true;
+            self.index = 0;
+            self.ticks_remaining = 0;
         }
 
         pub fn enable(&mut self) {
@@ -343,6 +346,7 @@ impl App {
         self.timers.led2_timer.enable(true);
 
         self.services.synth0.set_freq(440);
+        self.services.synth0.disable();
     }
 
     pub fn set_state(&mut self, state: State) {
@@ -455,10 +459,10 @@ impl App {
 
         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 as u8);
+            let out = self.services.sample_player.get_amplitude();
+            self.interfaces
+                .pwm_core
+                .write_amplitude(ch32_hal::timer::Channel::Ch4, out as u8);
         }
     }
 }
@@ -504,7 +508,7 @@ impl App {
         self.timers.sp_timer.reset();
         self.timers.lp_timer.reset();
     }
-    pub fn coin_detect(&self) {
+    pub fn coin_detect(&mut self) {
         #[cfg(feature = "enable_print")]
         println!("coin detect");
         self.services.sample_player.play_sample();
@@ -513,10 +517,16 @@ impl App {
 
 // Events
 impl App {
-    fn main_button_click(&self) {
+    fn main_button_click(&mut self) {
         // TODO
         #[cfg(feature = "enable_print")]
         println!("click");
+        self.services.sequencer.play_sequence(&crate::TEST_SEQ, 1);
+        self.services.synth0.enable();
+
+        // TODO:
+        // this is a hack to stop the coin thing from playing.
+        self.services.sample_player.disable();
     }
     fn main_button_short_press(&self) {
         // TODO
@@ -543,6 +553,8 @@ impl App {
 // AUDIO:
 // 2. dac switching
 // 3. amp_en control
+// 4. write sequences
+// 5. sample player start disabled
 //
 // LED:
 //
@@ -559,3 +571,4 @@ impl App {
 // 1. clean up edge detector
 // 2. better handling for pwm scaling (brightness / volume)
 // 3. better interrupt handling structs
+// 4. led DynamicSequence