add support for multi-sequence

ch32v-insert-coin/src/app.rs

@@ -295,6 +295,7 @@ pub struct Sequences {
     pub led0: sequencer::BasicSequence<'static>,
     pub led1: sequencer::BasicSequence<'static>,
     pub led2: sequencer::BasicSequence<'static>,
+    pub audio: [&'static [sequencer::SequenceEntry]; 2],
 }
 
 // things that touch hardware
@@ -345,7 +346,7 @@ impl App {
         self.timers.led2_timer.reset();
         self.timers.led2_timer.enable(true);
 
-        self.services.synth0.set_freq(440);
+        self.services.synth0.set_freq(1);
         self.services.synth0.disable();
     }
 
@@ -521,7 +522,15 @@ impl App {
         // TODO
         #[cfg(feature = "enable_print")]
         println!("click");
-        self.services.sequencer.play_sequence(&crate::TEST_SEQ, 1);
+        self.services
+            .sequencer
+            .play_sequence(self.sequences.audio[self.settings.button_sound_index], 1);
+
+        self.settings.button_sound_index += 1;
+        if self.settings.button_sound_index > self.sequences.audio.len() - 1 {
+            self.settings.button_sound_index = 0;
+        }
+
         self.services.synth0.enable();
 
         // TODO:
@@ -554,7 +563,7 @@ impl App {
 // 2. dac switching
 // 3. amp_en control
 // 4. write sequences
-// 5. sample player start disabled
+// 6. multiple sequences
 //
 // LED:
 //

ch32v-insert-coin/src/main.rs

@@ -50,6 +50,17 @@ pub static TEST_SEQ: [app::sequencer::SequenceEntry; 2] = [
     },
 ];
 
+pub static TEST_SEQ1: [app::sequencer::SequenceEntry; 2] = [
+    SequenceEntry {
+        frequency_hz: 440,
+        duration_ms: 100,
+    },
+    SequenceEntry {
+        frequency_hz: 220,
+        duration_ms: 100,
+    },
+];
+
 #[derive(Debug)]
 struct Flag {
     value: bool,
@@ -288,6 +299,7 @@ fn app_main(mut p: hal::Peripherals) -> ! {
         led0: BasicSequence::new(&LED0_SEQ),
         led1: BasicSequence::new(&LED0_SEQ),
         led2: BasicSequence::new(&LED0_SEQ),
+        audio: [&TEST_SEQ, &TEST_SEQ1],
     };
 
     let app_interfaces = Interfaces { pwm_core };