Add clock run/reset

firmware/Euclidean/Euclidean.ino

@@ -107,6 +107,28 @@ void loop() {
     }
   }
 
+  // Clock Run
+  if (app.cv_run == 1 || app.cv_run == 2) {
+    auto &cv = app.cv_run == 1 ? gravity.cv1 : gravity.cv2;
+    int val = cv.Read();
+    if (val > AnalogInput::GATE_THRESHOLD && gravity.clock.IsPaused()) {
+      gravity.clock.Start();
+      app.refresh_screen = true;
+    } else if (val < AnalogInput::GATE_THRESHOLD && !gravity.clock.IsPaused()) {
+      gravity.clock.Stop();
+      ResetOutputs();
+      app.refresh_screen = true;
+    }
+  }
+
+  // Clock Reset
+  if ((app.cv_reset == 1 &&
+       gravity.cv1.IsRisingEdge(AnalogInput::GATE_THRESHOLD)) ||
+      (app.cv_reset == 2 &&
+       gravity.cv2.IsRisingEdge(AnalogInput::GATE_THRESHOLD))) {
+    gravity.clock.Reset();
+  }
+
   // Check for dirty state eligible to be saved.
   stateManager.update(app);
 
@@ -285,6 +307,14 @@ void editMainParameter(int val) {
     gravity.clock.SetTempo(gravity.clock.Tempo() + val);
     app.tempo = gravity.clock.Tempo();
     break;
+  case PARAM_MAIN_RUN:
+    updateSelection(app.selected_sub_param, val, 3);
+    app.cv_run = app.selected_sub_param;
+    break;
+  case PARAM_MAIN_RESET:
+    updateSelection(app.selected_sub_param, val, 3);
+    app.cv_reset = app.selected_sub_param;
+    break;
   case PARAM_MAIN_SOURCE: {
     byte source = static_cast<int>(app.selected_source);
     updateSelection(source, val, Clock::SOURCE_LAST);
@@ -301,6 +331,7 @@ void editMainParameter(int val) {
     }
     break;
   }
+  // These changes are applied upon encoder button press.
   case PARAM_MAIN_ENCODER_DIR:
     updateSelection(app.selected_sub_param, val, 2);
     break;